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EN 87

7.

LX7500R

Circuit Diagrams and PWB Layouts

6-channel class-D amplifier

Basic operation of a class-D amplifier

Basically, the output stage of a class-D amplifier outputs a continuous square wave swinging between positive and negative power supplies

with a fixed frequency (“clock” frequency) far beyond the audible range. The duty cycle of this square wave is modulated with the audio signal.

The output is followed by a low-pass filter which eliminates the clock frequency and allows only the audio signal going to the speaker. See

simplified drawing below.

Compared to a conventional power amplifier the benefits of the Class-D amplifier are:

• higher effiency

• lower power dissipation

• smaller heatsink required

• smaller mains transformer required

The main disadvantage of this concept is:

• The amplifier is operating with a high-frequency square wave at high amplitude and currents. This requires special precautions to prevent

excessive electromagnetic ratiation (EMC).

6 - channel AMPLIFIER BOARD

PWR307 (6x 100W SE)

TABLE OF CONTENT

Class D amplifier circuit description . . . . . . . . . . . . . . . . . . . . . . . . . .87
Exploded view & mechanical parts . . . . . . . . . . . . . . . . . . . . . . . . . .88

Schematic diagram  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89
Assembly drawing, componentside view  . . . . . . . . . . . . . . . . . . . . . .90
Assembly drawing, copperside view  . . . . . . . . . . . . . . . . . . . . . . . . .91

Loudspeaker sockets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .92

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Summary of Contents for LX7500R

Page 1: ...gnments 117 Circuit and IC descriptions 120 Abbreviations A V Digital board 148 Spare parts list 150 Revision list 181 Version 1 1 LX7500R 01 04 05 Published by MS 0448 Service Audio Printed in The Netherlands Subject to modification 3103 785 25301 DVD RW Receiver CLASS 1 LASER PRODUCT Copyright 2004 Philips Consumer Electronics B V Eindhoven The Netherlands All rights reserved No part of this pub...

Page 2: ... vision carrier 37dBmV Maximum tuning error of a recalled program 62 5 kHz Maximum tuning error during operation 100 kHz Tuning Principle automatic B G I DK and L L detection manual selection in STORE mode Audio Tuner Frequency range FM 87 5 MHz 108 MHz AM 531 kHz 1602 kHz EU 530 kHz 1700 kHz USA Sensitivity at 26 dB S N FM 5µV AM 3250µV m IF FM 10 7MHz AM 450kHz Harmonic distortion FM RF 1mV f 75...

Page 3: ... DTS according IEC1937 amendment 1 Digital Video Input IEEE 1394 Applicable Standards Implementation according IEEE Std 1394 1995 IEC 61883 Part 1 IEC 61883 Part 2 SD DVCR 02 01 1997 Specification of consumer use digital VCR s using 6 3 mm magnetic tape dec 1994 Mechanical connection according Annex A of 61883 1 P50 System Control Via SCART pin no 10 Power Amplifier Power stage protection temperat...

Page 4: ...d AV Board below Combi Board DVD RW Basic Engine AV3 5 Amplifier Board Aux Supply Switched Mode Power Supply Digital Board Audio Tuner LS Sockets LOCATION OF PRINTED BOARDS figure 1 Display Control Board Standby Board Tray light left Board Tray light right Board figure 2 ...

Page 5: ...i con quali si lavora siano anche a questo potenziale Safety regulations require that the set has to be restored to its original condition and parts which are identical with those specified be used Replace safety components only by components identical to the original ones Safety components are marked by the symbol i Le norme di sicurezza estigono che l apparecchio venga rimesso nelle condizioni o...

Page 6: ...RECORD star ts recording a TV channel or from an external video source while recording the button will be illuminated 0 VOLUME adjusts the volume Connections on the front CAM 1 S VIDEO connect to the S video output of your Hi 8 or S VHS camcorder CAM 1 VIDEO connect to the video CVBS output of y our camcorder CAM 1 AUDIOL R connect to the audio output of your camcorder PHONES 3 5 mm headphone sock...

Page 7: ...alogue audio output of external equipment e g tape deck CD changer 9 AUDIO LIN2 L R connect to the analogue audio output of external equipment e g tape deck CD changer 0 AUDIO OUT L R connect to the analogue audio input of external equipment e g tape deck OUT DIGITAL connect to the digital coaxial input of digital equipment IN DIGITAL connect to the digital coaxial output of digital equipment IN O...

Page 8: ...witches between the camcorder inputs on the front CD selects a connected CD player CDR T APE switches between a connected CD recorder and tape deck or similar VCR GAME switches between a connected VCR and game console 4 SHIFT press and hold to select secondary functions of the remote controls b uttons with blue labelling 5 T C switches on the title chapter selection for discs 6 REC PLAY MODE selec...

Page 9: ...IFT selects aTV channel on a PhilipsTV PLAY 2 starts playback closes the disc tray SEARCH 4 skips to the beginning of the current or previous chapter title track searches backwards tunes to a radio station with a lower frequency STOP 9 stops playback or recording press and hold to open close the disc tray PAUSE pauses playback or recording advances to next still picture SEARCH skips to the beginni...

Page 10: ...DVD recorder system is delivered with 1 2 front 1 centre and 2 rear speaker s see page 2 2 1 subwoofer 3 6 speaker cables 4 1 remote control with 2 AA batteries 5 1 Scart cable 6 1 TV antenna cable 7 1 FM antenna cable 8 1 cinch audio cable red and white plugs 9 1 digital audio cab le black plugs 0 1 Component Video cable red green and blue plugs 1 MW loop antenna 1 blank Philips DVD RW disc page ...

Page 11: ...er boxes with red black coloured connectors 3 Speakers Connections User man ual see pages 12 16 VIDEO OUT COMPONENT FOR PLAYBACK Fr ont left Fr ont right Center Subw oofer Rear left Rear right Fr ont left Fr ont right Center Subw oofer Rear left Rear right After finishing all other connections connect the mains cable to the wall socket FM antenna cable TV antenna cable ...

Page 12: ...EN 12 3 LX7500R Brief Operating Instructions R E A R R REAR L Attention Atención Achtung Let op Attenzione Viktigt Vigtig Huomio Atenção Addendum LX7500R 3103 605 2285 1 VieChr0441 ...

Page 13: ...ing for TV channels 12 Channels found Please wait Installation Autom search Autom search complete 48 Channels found Time 18 03 Y ear 2004 Month 03 Date 25 T o continue Press OK Autom Search LX7500R Quick use guide 5 Playing a disc Playing a radio station Selecting a source 1 Press and hold D VD MON for 1 second 2 Press OPEN CLOSE on the set to open the drawer 3 Insert a disc pr inted side up in th...

Page 14: ... is displa yed on the DVD recorder system Recording star ts at the end of all existing recordings Note f or DVD R Ws If you press REC OTR br iefly the recording will star t at the position where you stopped playback Pre vious recordings may be o verwr itten 0 To inter rupt recording press PAUSE 0 To resume recording press PA USE again 6 Press STOP 9 to stop recording The recording mode deter mines...

Page 15: ...re that a new adhesive tape has been applied to the drive when the repair is finished picture 4 picture 5 CABLE TIE MAINS CORD FIXATION OF CABLES 8004 8012 8016 FIXATION OF CABLES 8012 8016 Details of correct Wire Routing picture 2 picture 3 FIXATION CABLE 8041IN CATCH OF AIRGUIDE FOIL Dismantling the Tray Cover To dismantle the ornamental cover the tray has to be moved out first This can either b...

Page 16: ...in picture 8 Digital Board sheet of paper for isolation picture 7 Dismantling the DVD Basic Engine Dismantle the ornamental cover of the tray first see picture 6 Dismantle Top Cover as described before Loosen 6 screws as shown in picture 9 Release cables from cable catches Lift metal frame Digital Board assembly on the rear side to get the catch hook free from the IDE socket board see picture 10 I...

Page 17: ...eft Lift Basic Engine at the rear and move it backwards until it becomes free at the front Note the available space is very tight as the Basic Engine has to be moved against cables and sockets located on the AV Board Slightly lifting Combi Board together with the Basic Engine will make it easier Turn Basic Engine out at front side and put it to a proper service position as shown in pictures 12 and...

Page 18: ...the cabinet Disengage catch of the airguide foils see picture 17 Lift the unit on the rear side and move it backwards to release the board from the catches on the front side see picture 18 Pull the whole unit on the front side up take care of cables routed between front and the plastic foil and turn it to service position as shown in picture 19 picture 17 picture 18 picture 16 ...

Page 19: ...est position as shown in picture 22 To get access to the printed boards the metal plate has to be removed Loosen 9 screws as shown in picture 22 Pull up the metal frame and move it backwards along cables fed through Put the metal frame to rest position as shown in picture 23 Display Board and Standby Board are now accessible on the copperside Picture 24 shows service position for the component sid...

Page 20: ...on the printed board and with a white ring on the rear plate see picture 27 Move the board frontwards to release the sockets from the rear plate Turn Combi Board up to service position as shown in picture 28 The length of some cables might be marginal We recommend to disconnect cables to the Audio Tuner and the Amplifier Board before turning the Combi Board and re connect them when the board is in...

Page 21: ...he AV Board can now be accessed on the component side To get access to the copper side Loosen 3 screws 1 see picture 29 Re mount Combi Board and fix it provisionally with 1 screw Loosen 3 screws 2 see picture 29 Loosen 1 screws 3 a few turns to loosen the fan see picture 29 Release catches 4 on both sides of the rear cabinet and move it backwards until rear cabinet becomes free from bottom cabinet...

Page 22: ...isc DL LVP04 15 7104 099 91041 MPTD thin test disc CVP02 60 7104 099 97931 NLT 01 00 link test disc DVDROM settings 7104 099 98502 Blank DVD RW disc RICOH 7104 099 98582 Blank DVD R disc RICOH 7104 099 94001 LEAD FREE PRODUCED SET This set is manufactured with lead free production technology This is also indicated by the PHILIPS lead free logo you find on the printed boards The set is produced wit...

Page 23: ...pressed while plugging mainscord in S LX7500R EU The display shows the version of the set END USER DIAGNOSTICS DVD RW module To enter END USER DIAGNOSTICS hold PLAY NEXT button depressed while plugging mainscord in VIRGIN MODE DVD RW module To reset the set to Virgin Mode hold STANDBY button depressed while plugging mainscord in DEMO MODE To switch Demo Mode on off use System Menu TOGGLE VIDEO MOD...

Page 24: ... NTC Front sensor for ambient temperature located on Display board NTC Amp lifier sensor for the temperature of the heatsink on the Power Amplifier board The signals NTC_Front and NTC_Amp are compared with a special algorithm and result in the control signal Set_Fan_Ctrl which controls the speed of the set fan In each test step of the temperature test the speed of the set fan can be set in four st...

Page 25: ...k N Y N Y Press PLAY button Back to main menu Back to main menu Y FORMAT EEPROM Display shows for 2s EEPROM is cleared and default values are stored NEW Press PLAY button The test checks writing and reading of data to EEPROM 7108 on Combi board A test pattern is written to the first location in the EEPROM PASS is displayed when the test pattern is read back correctly else ERR Each software module ...

Page 26: ...P The correct tuner version is defined by the version detection resistor 3052 mounted on the Combi board 3052 mounted USA version without RDS The stored preset frequencies serve as provision for other tuner modules only 108 MHz 531 kHz 1602 kHz 558 kHz 1494 kHz 98 MHz 87 5 MHz 98 6 MHz 98 6 MHz 108 MHz 560 kHz 1500 kHz 98 MHz 530 kHz 1700 kHz 22 25 29 37 SERVICE PRESET FREQUENCIES USA EUR Y KEY TE...

Page 27: ...tor mute Front in 17 only Ext 3 17 only 0 87dB INPUT Input Signal OUTPUT Level VOLUME Tested function Speaker setting 1 Display shows Sound ICs are set acc table 4 Switch to next step acc table 4 AUD TEST XX Y STOP button pressed N Y Switch to previous step acc table 4 T button pressed S button pressed N Y N Y COMBI BOARD AUDIO TEST Press PLAY button Back to main menu stands for the number of the ...

Page 28: ...k All ICs tested N Y N N Y Y N Press PLAY button Back to main menu STOP button pressed Y Back to main menu stands for item number of the failed IC The selector sound processor ICs 7207 7214 and 7303 are passive ICs which do not feed back via the IIC bus The functionality of these ICs can therefore not be tested with the IIC Test For testing these ICs use the AUDIO TEST 7405 CODEC 7505 DSP 7603 SPD...

Page 29: ...mplete functionality of the recorder 5 1 2 Structure Figure 5 1 The End use Dealer script executes all diagnostic nuclei that do not need any user interaction and are meaningful on a standalone DVD recorder 5 1 3 Contents Unplug the mains cord Hold Open Close Source depressed while plugging in the mains cord During the test the display shows the number of the test currently running SET O K YES NO ...

Page 30: ...heck that the port settings for the free COM port are 19200 bps 8 data bits no parity 1 stop bit and no flow control The free COM port must be connected via a special cable to the RS232 port of the DVD recorder This special cable will also connect the test pin which is available on the connector to ground i e activate test pin Code number of PC interface cable 3122 785 90017 Activation Digital Boa...

Page 31: ...erated string the board will work in principle but it has to be checked if all board settings were detected correctly Diversity String Input 1 Execute nucleus 1226 to enter the string Please see adjustment instructions in chapter 8 for details Nucleus 1226 execution with string Figure 5 8 1 To check if the hardware info is filled correctly you can execute nucleus 1228 Nucleus 1228 info example Fig...

Page 32: ... ACOMP 0xa000 0 0 VFE 0xa001 0 0 VCOMP 0xa002 0 0 SCR 0x0000 0 0 SIFF 0xa011 0 0 WMD 0xa010 0 0 AUDIO0 0xa015 0 1 AUDIO1 0xa00f 0 0 PSCAN 0xa018 0 0 010000 Test OK Nucleus Name DS_CHR_TestImageOn Nucleus Number 101 Description Generates a test image of a selected video standard on selected video output on the digital board When no input is given the default values will be used Use nucleus DS_ANAB_...

Page 33: ...f the digital board for 4 seconds Note Left channel 6kHz right channel 12 kHz sine with some known hick ups User Input None Example DS 105 010500 Test OK Nucleus Name DS_CHR_MuteOn Nucleus Number 106 Description Mute the audio outputs of the digital board User Input None Example DS 106 010600 Test OK Nucleus Name DS_CHR_MuteOff Nucleus Number 107 Description De mute the audio outputs of the digita...

Page 34: ...a specified address User Input The address to poke and the value address value Example DS 113 0xa0700000 0xaabbccdd 011300 Test OK Nucleus Name DS_CHR_INT_PICInterrupts Nucleus Number 114 Description Test all interrupts of the priority interrupt controller User Input Example DS 114 011400 Test OK Nucleus Name DS_CHR_DMA_TestDMA Nucleus Number 115 Description Test the memory to memory DMA transfer ...

Page 35: ...ocation that must be modified i e ALL BOOT DIAGNOSTICS DOWNLOAD CONFIG RECORDER or no string if an offset from the base address of the NVRAM is required 2 The offset and data which to put on the selected location offset length data Example DS 303 DIAGNOSTICS 5 1 0x5a 030300 Section is modified successfully Test OK Nucleus Name DS_NVRAM_Read Nucleus Number 304 Description Read out one or more locat...

Page 36: ... of the FLASH IC manufacturer and device ID User Input None Example DS 500 050000 Found FLASH memory Manufacturer ID 0x01 Device ID 0x01 Test OK Nucleus Name DS_FLASH_WriteRead Nucleus Number 501 Description Check whether the FLASH can be written to and read from User Input None Example DS 501 050100 Test OK Nucleus Name DS_FLASH_Read Nucleus Number 502 Description Read from a specific memory addr...

Page 37: ...t None Example DS 600 060000 Found SAA7118 Test OK Nucleus Name DS_VIP_Communication Nucleus Number 601 Description Check the communication between the IIC controller of the chrysalis and the VIP IC User Input None Example DS 601 060100 Test OK Nucleus Name DS_VIP_ClockOutputOn Nucleus Number 602 Description Switch the clock output on User Input None Example DS 602 060200 Test OK Nucleus Name DS_V...

Page 38: ...er Input None Example DS 702 070200 Test OK Nucleus Name DS_DVIO_PhyCommunication Nucleus Number 703 Description Check the accessibility of the 1394 Physical layer IC by writing to and reading from a specific address User Input None Example DS 703 070300 Test OK Nucleus Name DS_DVIO_Routing Nucleus Number 704 Description Route a DV stream containing an audio and video signal through the physical a...

Page 39: ...ted test image User Input None Example DS 803 080300 Test OK Nucleus Name DS_PSCAN_TestImageColourSettingsSet Nucleus Number 804 Description Set the colour of the hatch or the frame field to a different value than the default white User Input A colour string of one of the next non case sensitive strings WHITE BLACK RED GREEN BLUE YELLOW CYAN MAGENTA or Y Cr Cb hexa decimal values Example DS 804 ye...

Page 40: ...gine by issuing an echo command over the S2B interface User Input None Example DS 900 090000 Test OK Nucleus Name DS_BE_Reset Nucleus Number 901 Description Reset the basic engine User Input None Example DS 901 090100 Test OK Nucleus Name DS_BE_VersionGet Nucleus Number 903 Description Get the version of the basic engine and that of the optical unit User Input None Example DS 903 090300 BE version...

Page 41: ...L siscs HR MIN 0 0h Total time of reading other DVD DL discs HR MIN 0 0h Total time of reading high DVD R discs HR MIN 0 0h Total time of reading other DVD R discs HR MIN 0 0h Total time of reading high DVD RW discs HR MIN 0 0h Total time of reading other DVD RW discs HR MIN 1 0h Total time of writing DVD R discs in 2HRS mode HR MIN 0 0h Total time of writing DVD R discs in 4HRS mode HR MIN 0 0h T...

Page 42: ...eus Name DS_BE_FocusOff Nucleus Number 914 Description Turn off putting the laser of the BE into focus User Input None Example DS 914 091400 Test OK Nucleus Name DS_BE_MotorOn Nucleus Number 915 Description Turn on the turntable motor User Input None Example DS 915 091500 Test OK Nucleus Name DS_BE_MotorOff Nucleus Number 916 Description Turn off the turntable motor User Input None Example DS 916 ...

Page 43: ...n Check whether there is a disc inside the BE User Input None Example DS 921 092100 A DVD Rewritable is loaded disc is empty or partially recorded Test OK DS 921 092100 No Disc is loaded Test OK Nucleus Name DS_BE_SledgeMotor Nucleus Number 922 Description Send the sledge to its home position then to the middle of the disc and then to the end User Input None Example DS 922 092200 Test OK Nucleus N...

Page 44: ...rted by the engine 092900 Test OK Nucleus Name DS_BE_RegionCounterReset Nucleus Number 930 Description Reset the region counter in the AV3 User Input None Example DS 930 093000 Test OK DS 930 This nucleus is not supported by the engine 093000 Test OK Nucleus Name DS_BE_AdjustLaserControl Nucleus Number 931 Description Adjust the DVD M with the OPU with PCBA So adjusts the two PCBS to each other Us...

Page 45: ... OK Nucleus Name DS_DCB_Led Nucleus Number 1006 Description Switch the record LED on and after confirmation off The user confirms by pressing the REC key STOP key or the PLAY key on the local keyboard The PLAY key confirms that the LED is on and the REC key User Input None Example DS 1006 100600 Test OK Nucleus Name DS_ANAB_CommunicationEcho Nucleus Number 1100 Description Check the communication ...

Page 46: ...105 110500 Test OK Nucleus Name DS_ANAB_HardwareVersionGet Nucleus Number 1106 Description Get the hardware version of the analogue board User Input None Example DS 1106 110600 Analogue hardware version 11 Test OK Nucleus Name DS_ANAB_SoftwareVersionBootGet Nucleus Number 1107 Description Get the software version of the boot software of the analogue board User Input None Example DS 1107 110700 Boo...

Page 47: ...m FRONT S VIDEO Y C and will be routed to the digital board 4 No Routing 5 Input signal is CVBS from SCART1 and will be routed to the digital board 6 Input signal is CVBS from SCART2 and will be routed to the digital board 7 Input Signal is CVBS from Digital Board and it will be routed to Scart1 and Scart2 8 Input signal is VIDEO CVBS from ANTENNA IN and will be routed to SCART2 9 Input signal is ...

Page 48: ...ived from the Digital board will be output on Modulator channel 4 Nucleus Name DS_ANAB_AudioRouting Nucleus Number 1113 Description Perform the routing of the audio paths on the analogue board User Input The user has to input the correct parameter for the routing see table audio routing below Example DS 1113 00111300 Test OK Path ID Description 0 Input signal is from FRONT AUDIO IN and will be rou...

Page 49: ... outputted on Modulator channel 4 Nucleus Name DS_ANAB_SelectTunerChannel Nucleus Number 1114 Description Set the tuner to receive a valid audio and video signal User Input Frequency 16 video standard id Tuner frequency to tune the tuner to e g 216 MHz this parameter must be 3456 Since 216 16 3456 This is to avoid the decimal points to the parameter list Video standard id The table below shows whi...

Page 50: ...ltage between 0 and 255 Example DS 1119 5111900 Test OK Nucleus Name DS_ANAB_TunerFrequencyDownload Nucleus Number 1120 Description Store the frequency table in NVRAM The frequency table is passed through the error string provided to the nucleus User Input See frequency table Example DS 1120 2233 00 02 4E45442031 112000 Test OK Nucleus Name DS_ANAB_StoreExternalPresets Nucleus Number 1121 Descript...

Page 51: ...pace character Remarks CHANNEL_SYSTEM is for NAFTA PRESET_SYSTEM is for Europe Nucleus Name DS_SYS_HardwareVersionGet Nucleus Number 1200 Description Get the hardware version and type of the digital board User Input None Example DS 1200 120000 Hardware ID 00 The PIO pins Digital Board ID 2 Test OK DS Nucleus Name DS_SYS_SoftwareVersionBootGet Nucleus Number 1201 Description Get the version of the ...

Page 52: ... of the NVRAM of the digital board2 Download the contents of the NVRAM of the analogue boardChoose in the terminal of the control PC transfer send file Select X modem protocol Then choose a file with the Browse button in the dialogue and click on send Example DS 1206 1120600 Test OK Nucleus Name DS_SYS_DvIdNumberSet Nucleus Number 1207 Description Set the IEEE 1394 unique IDThe unique ID to be set...

Page 53: ...D1 0x00 Test OK Nucleus Name DS_SYS_VideoLoopThroughStart Nucleus Number 1213 Description The video signal which is confirm the user input is routed from the input to the output Input is set with the routing nucleus 1112 All outputs are enabled User Input vipInput VideoOutput VideoStandard 1 vipInput CVBS YC YUV RGB 2 VideoOutput YUV RGB 3 VideoStandard PAL NTSC Example DS 1213 CVBS RGB PAL 121300...

Page 54: ... after this the signature of the signal will be checked User Input None Example DS 1216 121600 Test OK Nucleus Name DS_SYS_SlashVersionSet Nucleus Number 1217 Description Set the slash version of the system User Input The slash version Example DS 1217 82121700 Test OK Nucleus Name DS_SYS_SlashVersionGet Nucleus Number 1218 Description Get the slash version of the system User Input None Example DS ...

Page 55: ...mal value that represents the digital board settings obtained from the DbString exe program or from a reference set Example DS 1226 646961677473746201010200010101010101000020080000 122600 Test OK Nucleus Name DS_SYS_SettingsDisplay Nucleus Number 1228 Description Show the settings that are programmed in the BROM on the digital board User Input None Example DS 1228 Settings ID 6D7920626F61726400020...

Page 56: ...e the nucleus stops upon and reports the first encountered error Example DS 1233 123300 Test OK DS 1233 manual 123300 Test OK DS 1233 123301 Hardware ID mismatch in HW Diversity string 99 actual in FLASH 0 Error DS 1233 manual Hardware ID mismatch in HW Diversity string 99 actual in FLASH 0 Enter the correct HW ID of the digital board 0 The HW diversity string has been modified by you Settings Boa...

Page 57: ...Script Description Included tests 1 DS_ANAB_COMMUNICATIONECHO_NUC 2 DS_DCB_COMMUNICATIONECHO_NUC 3 DS_BROM_COMMUNICATION_NUC 4 DS_SYS_SETTINGSDISPLAY_NUC 5 DS_CHR_DEVTYPEGET_NUC 6 DS_CHR_INT_PIC_NUC 7 DS_CHR_DMA_NUC 8 DS_BROM_WRITEREAD_NUC 9 DS_NVRAM_COMMUNICATION_NUC 10 DS_NVRAM_WRITEREAD_NUC 11 DS_SDRAM_WRITEREADFAST_NUC 12 DS_FLASH_WRITEREAD_NUC 13 DS_FLASH_CHECKSUMPROGRAM_NUC 14 DS_SYS_HARDWAR...

Page 58: ...EJTAG 0x0104 0 0 S BCU 0x0102 1 0 BOOT 0x010a 1 0 CONFIG 0x013f 1 0 RESET 0x0123 1 0 DEBUG 0x0116 0 0 UART0 0x0107 0 1 UART1 0x0107 0 1 UART2 0x0107 0 1 UART3 0x0107 0 1 I2C0 0x0105 0 1 I2C1 0x0105 0 1 GPIO 0x013c 1 0 SYNC 0x013a 1 0 DISP0 0xa015 0 2 DISP1 0xa00f 0 0 OSD 0x0136 0 1 SPU 0xa00e 0 0 MIXER 0x0137 1 0 DENC 0x0138 0 1 CCIR 0x0139 1 0 VDEC 0x0133 0 1 PARSER 0xa00d 0 0 DV 0xa00c 0 0 BEI 0...

Page 59: ...NUC801 21 28 Busy executing NUC808 22 28 The IIC acknowledge was not received which is correct Busy executing NUC900 23 28 Busy executing NUC1101 24 28 Busy executing NUC1102 25 28 Busy executing NUC1104 26 28 Busy executing NUC1105 27 28 Busy executing NUC1111 28 28 BootCode checksum is 0xBABE6240 which is correct Diagnostics checksum is 0xBABEDC9A which is correct Download checksum is 0xBABEA6B7...

Page 60: ...Diagnostic Software EN 60 LX7500R 5 ...

Page 61: ...E IN2 1702 DIGITAL OUT coax AIN1R AIN1L AIN2L AIN2R LINE_IN1 ANALOG_IN1 DAC_SUB DAC_CENTER ANALOG_IN2 TUNER L R LINE_IN2 LINE_OUT SPDIF 1205 6 1 DAC_SUB 7201 7108 EEPROM CLOCK GENERATOR µP 5 6 8 DI_I2C_SDA DI_I2C_CLK I2C BUS RESET RESET µP RDS DECODER SAA6581T 7109 µP µP NTC_Amp LR_CSub_ON LR_CSub_ON FREQU_HOP 1022 230 FAN 12V_A 2 1 FAN CONTROL AMP_ERR IPFAIL INV_ON AMP_ON POWER_ON STBY 1102 1 10 ...

Page 62: ...NDBY 12V 12V 12V_STBY 12V_DIGI INV_ON 12V_A 12V_A 33V_STBY 3V3 3V3_COMBI 12V_DIGI 3V3_DIGI 3V3_AV DC DC CONVERTER 5V_STBY 5V_STBY 5V_A 12V_A 5V_AV 5V_DIGI 12V_DIGI 5V_COMBI 5V_STBY 5V_STBY 5V_A 12V_A 5V_AV 5V_DIGI 12V_DIGI 1306 F2A 1302 7100 1 10 1306 9 1 1331 1 10 ERROR FREQU_HOP NTC_AMP AMP_LEFT SUR_ON L R ON AMP_CENTRE CLOCK FRONT SPEAKERS CENTRE SPEAKER SUBWOOFER SURROUND SPEAKERS AMP_RIGHT CS...

Page 63: ...DIGITAL BOARD CHRYSALIS 2 1 COMBI BOARD SDRAM FLASH VIDEO INPUT PROCESSING ANALOG VIDEO DIGITAL AUDIO DIGITAL AUDIO RS232 SERVICE PCI BUS 1500 1103 1904 PSU 1 2 4 6 8 1 2 3 4 5 6 7 3V3 3V3 3V3 3V3 GND GND GND ION 5V 12V 8 1 9 10 11 GND 5V 12 DIG VIDEO 656 20 21 18 2 21 7 9 11 12 14 22 20 18 16 14 PHY LINK 2 1901 CHRYSALIS PNX7100 MPEG 2 AC3 CODEC BOOT EEPROM USRDATA EEPROM I2C I2C ION STBY 1987 19...

Page 64: ...Follow Me EEPROM M24C16 IO Video STV6618 IO Audio HEF IC S Power Supply Front µP TMP87CH74F Combi µP TMP88CU74F Display I2C Level Shifter I2C 3 3V I2C 5V AKILL I2C I2C INT IPOR_DC INT POR_DC Blockdiagram Control Lines and Bus Systems DVD RW part I2C SWITCH 5SW I2C_SW PSS SB1 SFS_TS AFC AGC A_DATA D_DATA A_RDY D_RDY IRESET_DIG PWONSW WU WSFI FBIN P50 8SC2 STBY ION I2C_SW I2C_SW I2C_SW VSA1 ASC1S VS...

Page 65: ...SUR_L ERR FREQ_HOP TEMP CSub_on GND_ACS CENTRE LR_on RIGHT GND_ALR LEFT AMPLIFIER BOARD 1935 1936 1925 1930 1931 1920 Easy Conn Easy Conn Easy Conn 8038 8042 shielded 8012 only used in 01 8031 shielded only used in 17 8006 shielded only used in 17 1200 1921 1923 CVBS IN 1920 8018 8019 8017 1 L L GND_L GND_L NC R R GND_R GND_R L R Center Sub GND_S GND_S SUBw SUBw GND_C GND_C CENTER CENTER SL SR GND...

Page 66: ... A R D 1 1 0 4 ID E A D A P T E R 1103 AUX SUPPLY BOARD air guide foil 1101 COMBI BOARD 1102 AV BOARD µP SUB BOARD 1104 IDE ADAPTER 1 1 1 0 B A S I C E N G I N E V A D 8 0 4 1 0 1 AUDIO TUNER air guide foil air guide foil 1005 1005 LS SOCKET BOARDS EV set LX7500R 200904 Pl 3x8 EXPLODED VIEW apparatus MECHANICAL PARTSLIST 201 2 3103 604 00622 FOOT RUBBER 201 3 3103 607 50491 FOOT ASSY 210 3103 607 ...

Page 67: ...D right EV2 front complete LX7500R 270904 EN 67 7 LX7500R Exploded Views EXPLODED VIEW Front assembly MECHANICAL PARTSLIST 102 3103 607 90861 FRONT ASSY MECH LX7500 01 04 102 3103 607 90981 FRONT ASSY MECH LX7500 05 106 3103 607 51321 KNOB VOLUME 8020 3103 308 94411 FIREWIRE CABLE 650mm EEE1394 Only those parts of which a service code number is stated are normal service parts ...

Page 68: ...assembly MECHANICAL PARTSLIST 111 3103 607 50341 BUTTON CAP STANDBY 113 3103 607 50361 BUTTON CAP OPEN CLOSE 119 3103 607 50411 BUTTON CAP RECORD 120 3103 607 51311 WINDOW DISPLAY 124 3103 607 51101 RING KEYS PLAY STOP REW FFW 126 3103 607 51391 DOOR FRONT LX7500 01 04 126 3103 607 51421 DOOR FRONT LX7500 05 133 3103 604 00441 HINGE DOOR FRONT Only those parts of which a service code number is sta...

Page 69: ...de Power Supply FOR ORIENTATION ONLY 1 0V TL494CN MOTOROLA Pulse with modulator SMPS LX7500R 221104 original status 080904 PWM GND VOLTAGE SENSE 27 6V 27 6V 0V 5V 0V 12 3V 33 6V 27 7 3 7V 4 8V 5 2V 5 2V 307V 12 3V 5V EVM V DC voltages measured in Stop mode with no audio output V GND ...

Page 70: ...EN 70 7 LX7500R Circuit Diagrams and PWB Layouts SMPS AC6191 Drawing 2 SMPS AC6191 LX7500R 221104 original status 080904 Switched Mode Power Supply FOR ORIENTATION ONLY 2 230V 120V 120 230V ...

Page 71: ...EN 71 7 LX7500R Circuit Diagrams and PWB Layouts SWITCHED MODE POWER SUPPLY component side view SMPS AC6191 LX7500R 150904 original status 080904 Switched Mode Power Supply FOR ORIENTATION ONLY ...

Page 72: ...EN 72 7 LX7500R Circuit Diagrams and PWB Layouts SWITCHED MODE POWER SUPPLY copper side view SMPS AC6191 LX7500R 150904 original status 080904 Switched Mode Power Supply FOR ORIENTATION ONLY ...

Page 73: ...1967EUB 7317 10 1 9 6 2 7 F319 F301 F320 F324 F300 F310 F309 3K3 3324 F312 2309 10u 16V 3323 1K0 F302 F316 F315 F317 12 2 3 4 5 6 7 8 9 1303 1 10 11 6301 BZX384 C6V8 4K7 3304 10K 3317 1u0 2304 3331 10K 7305 PMV60EN 10K 3309 5 6 4 3 7311 2 STS8DNF3LL 3335 10K 3306 150K F 1 0A 1307 06FMN STK A 1 1020 2 3 4 5 6 1304 F311 7309 PMV60EN 4001 2316 1u0 3329 68K F303 BC847BW 7304 F323 F328 F318 3313 10K F3...

Page 74: ...A3 3325 A2 3326 A3 3327 A3 3328 A2 3336 A2 3337 A2 3338 A2 3340 A2 3341 A1 3342 A1 5300 A3 5301 A2 6304 A2 6305 A2 7301 A2 7303 A1 7304 A1 7306 A1 7308 A3 7309 A2 7310 A3 7317 A2 7322 A2 AUX SUPPLY BOARD copper side view Aux supply LX7500 221104 2303 A2 2304 A1 2314 A1 2316 A2 2318 A2 3300 A2 3301 A2 3304 A2 3305 A2 3311 A2 3312 A1 3313 A3 3314 A3 3315 A2 3316 A1 3319 A2 3320 A2 3322 A1 3323 A1 33...

Page 75: ... 5101 1K0 3163 BLM18H 3162 1K0 F1502 F1501 GND 22K I103 3151 F1405 I100 I182 5VSTBY 6109 BAS316 6106 BAS316 47K 3141 BZX384 C6V8 6100 3122 GND I199 10K GND I175 47n 2101 100R 3126 I112 F1504 I157 3130 I165 1K0 I124 22u 16V I191 1 VS 3 I102 2102 TSOP4836ZC1 7107 GND 2 OUT 5VSTBY GND 4100 I108 GND F104 GND 9101 I163 F1412 2115 47n F1411 I145 GND 7102 BC847BW I189 GND VKK F1407 3146 3117 10K 3 4 GND ...

Page 76: ...04 68R 6203 DF3A6 8FUT1 GND_FC GND_FC GND_FC FRONT PANEL DISPLAY CONTROL BOARD 2 from to Combi board Audio Processing 2 1302 3 to Analog board 1942 2 AV FRONT CONNECTORS Display board 6 LX7500R 230904 A B C F3004 B1 F3101 A4 F3103 B4 I300 B1 3303 B3 GND 12VSTBY F3001 A1 F3002 B1 F3003 B1 1 2 3 2 3 1130 C1 1930 A1 4 A B C to TRAY LIGHT LEFT 1940 1931 A4 3300 B1 3301 A3 3302 A3 12VSTBY 3304 B3 7300 ...

Page 77: ... LX7500R 6 240904 to COMBI board to STBY board to AV board to COMBI board REC STOP PLAY SOURCE STANDBY IR EYE S VIDEO IN HEADPHONE VOLUME CVBS L AUDIO R OPEN CLOSE PREV NEXT to STBY board to AV board to COMBI board to COMBI board DISPLAY CONTROL BOARD component side view Front Display board LX7500R 6 240904 ...

Page 78: ...1K0 3042 470R 10K 3093 3076 100R 3094 10K 3007 10K DIG F167 1K0 3015 F103 10K 3101 3 4 5 6 F106 06FMN STK A 1020 1 2 D 3126 1K0 SCN 1K0 3041 3043 1K0 3079 10K F155 D F183 10R 3000 3059 1K0 F186 7101 BC327 25 F116 F171 BC847BW 7104 2u2 5101 2037 560p 100n 2005 1K0 3051 F160 3018 470R F148 10K 3109 F147 D F169 4K7 3050 3054 1K0 2K2 3117 3116 100K 47p 2035 4K7 3052 version recognition 3052 assembled ...

Page 79: ...00K 4K7 3251 3207 1K0 GND_ALR F222 4u7 2322 D GND_ALR 50V 2205 470n 2355 470p GND_A 2354 470p 3306 27K 2326 3273 470n 3272 1K0 2342 1K0 47p 470n GND_ALR 47R 2337 9 3214 1 10 11 2 3 4 5 6 7 8 11FE ST VK N 1202 3224 47R 5 6 GND_ALR D 1205 S6B EH 1 2 3 4 47R 3216 47u 2213 2212 16V 470n 470p 10K 3249 47K 2323 F225 3263 GND_ALR GND_AS GND_AS 100R 3259 470p 2202 GND_A 10 11 GND_ALR 2K2 3203 3285 1200 4 ...

Page 80: ...8 BC817 25 7302 10K 3449 20 1 GND_ACS 25 5 24 6 23 8 21 2 7 22 12 17 14 15 9 7303 TDA7468 16 10 19 11 18 27 13 28 3 26 4 F317 3415 33K GND_ACS GND_A 470n 2416 2421 470n 3407 1K0 F323 16V 100u 2446 2442 47u 16V 3438 10K F316 3433 10R 22R 3437 3444 8K2 3442 4K7 3K3 2436 3426 470n 2417 2u2 50V F310 4303 GND_ACS 2 3 4 5 6 7 8 9 4302 1300 FE ST VK NA 1 10 2449 22n F324 3413 4K7 GND_ALR 330n 2420 GND_A ...

Page 81: ...9 100R 330p 2522 50V 470n 2544 3610 4K7 3K3 3594 3560 220R 1n5 2542 3K9 D 50V 3573 2565 4u7 3K9 3603 10K 3525 2517 100n 10K 3523 41 4 51 6 53 17 38 49 50 54 59 19 55 12 7 8 24 18 48 47 46 45 44 43 42 11 39 21 20 3 2 1 64 63 62 5 52 33 28 29 22 23 35 34 31 30 27 26 25 40 15 16 14 13 36 37 32 7405 CS42418 C Q CODEC Φ 10 9 58 57 60 61 56 GND_ALR 100R 3586 3K3 3513 50V 4u7 2572 3K3 3541 2567 330p 2566...

Page 82: ...3718 7504 BC847BW 3728 100K 3725 1K0 1K0 3724 D D 100K 3730 3735 100K 100R 3721 F510 F539 F532 2717 1n0 F543 50V 10u 2725 10R 3779 10R F511 5503 3773 100K 3723 3706 180R 10K 3768 100R 3761 F537 D 3769 10R 100R 3700 BC847BW 7502 10K 3703 F530 3741 100R 100R 3737 100K 3731 D 2709 5500 10V 100u F518 F514 10K 3705 100n 2712 2711 100n F556 100R 3749 3742 100R D 3715 100R 3757 100R 10R 3780 100R 3720 F5...

Page 83: ...3801 2R2 2046 18p 4601 F625 F622 100R 3819 3813 100R 9 7 14 8 11 7 14 10 74LVU04D 7609 4 14 12 7609 5 74LVU04D 74LVU04D 7609 6 13 7 18p 2052 2051 18p F617 2 1 DIG DIG DIG DIG DIG DIG DIG DIG DIG DIG DIG DIG DIG DIG DIG DIG DIG DIG DIG DIG DIG DIG DIG DIG DIG DIG DIG DIG DIG DIG DIG DIG DIG DIG DIG DIG DIG DIG DIG DIG DIG DIG DIG 1702 YKC21 3394 3 6604 BZX384 C3V3 150p 2821 BZX384 C3V3 6605 100R 38...

Page 84: ...2 16V 10u GND_V 100n 2921 100R 3927 2903 100n GND_V 100n 2919 GND_V GND_V 2904 100n F722 F711 10R F713 3911 SCN SCN 3928 100R 330R F725 3923 3930 GND_V 1K0 1K0 3929 F718 BC847BW 7903 1 2 3 4 7 5 6 TCS7927 24 401 1400 SCN F728 4900 U11 F724 F712 47K 1 IN1B 11 IN2A 14 IN2B 8 IN3A 9 IN3B 3 OUT1 5 OUT2 6 OUT3 13 V 3909 NJM2285M 7901 2 CTL1 12 CTL2 7 CTL3 15 GND1 4 GND2 10 GND3 16 IN1A 2918 100n 330R 3...

Page 85: ...92 C3 3093 C3 3094 C3 3095 C4 3096 C4 3098 C3 3099 C3 3100 C2 3101 C2 3102 C4 3103 C4 3104 C2 3105 C3 3106 C2 3107 C4 3108 C3 3109 C2 3110 C2 3111 C4 3112 C4 3113 C4 3114 C3 3115 C2 3116 C4 3117 C2 3119 B5 3120 B3 3121 B2 3202 A2 3203 A2 3204 A2 3206 C7 3207 C7 3208 C6 3209 C5 3211 B3 3214 C7 3216 C7 3217 C7 3221 C7 3223 C8 3224 C7 3226 C5 3229 A3 3231 A3 3232 B3 3233 A3 3234 C5 3235 C7 3236 C8 32...

Page 86: ... 3124 B4 3125 A7 3126 B6 3200 A6 3201 A6 3205 A2 3210 A6 3212 A6 3213 A6 3215 A7 3218 A6 3219 A6 3220 A7 3222 A6 3225 A6 3227 A6 3228 A6 3230 A7 3239 A6 3242 A6 3243 A6 3247 A6 3248 A6 3249 A6 3267 A2 3269 A5 3270 A5 3271 B8 3273 B8 3274 B8 3275 B8 3277 A5 3286 A5 3294 A5 3295 A5 3296 A5 3297 A5 3299 A5 3306 A5 3307 A5 3419 B1 3433 A5 3434 B8 3436 B8 3437 C1 3446 C2 3455 C2 3500 A3 3501 A3 3502 A3...

Page 87: ...oing to the speaker See simplified drawing below Compared to a conventional power amplifier the benefits of the Class D amplifier are higher effiency lower power dissipation smaller heatsink required smaller mains transformer required The main disadvantage of this concept is The amplifier is operating with a high frequency square wave at high amplitude and currents This requires special precaution...

Page 88: ...res with the tuned station Class D amplifier TDA8920 TDA8924 and low pass filter The TDA892x is a two channel audio power amplifier using class D technology The audio input signal is converted into a digital Pulse Width Modulated PWM signal via an analog input stage and PWM modulator It is then fed to the power stage which outputs a high power PWM signal which switches between the main supply line...

Page 89: ... LOW LOW 3712 47K 100n 2308 2301 100n 3415 5K6 3102 5R6 F108 10K 3722 F122 100n 2104 2105 100n 10K F100 3420 3309 10R 470n 2225 EH B 1 2 3 4 1318 3200 5R6 2231 330p 7710 BC847B 10R 3209 3419 5K6 2228 100n 1n0 2411 4 5 6 7 8 9 F128 10FE ST VK N 1305 1 10 2 3 F133 F135 220n 2224 2120 15n 220R 3409 47K 3208 F109 2700 10u 3709 47K 3701 47K 2226 560p 470n 2116 680n 2118 680n 2123 680n 2218 680n 2223 68...

Page 90: ...n t s 3139 113 3526 pt3 dd wk0345 This assembly drawing shows a summary of all possible versions For components used in a specific version see schematic diagram and respective parts list AMPLIFIER BOARD component side view S M D s S M D s A 1 2 3 4 1 2 3 4 B C D E A B C D E ...

Page 91: ... This assembly drawing shows a summary of all possible versions For components used in a specific version see schematic diagram and respective parts list 3139 113 3526 pt3 dd wk0345 AMPLIFIER BOARD copper side view A 1 2 3 4 1 2 3 4 B C D E A B C D E ...

Page 92: ...reen 2935 A2 2936 C2 2937 C2 2 3 SL SR 4 3 Center SUB 1 2 3 1 SL Blue SUB Purple GND C SUB GND SUB 1308 SL from Power amp SR GND SL A B C A B C 1930 A3 1931 B3 1935 A1 1936 B1 GND SR 1307 from Power amp 2937 2 1 2 1 SR Grey 2936 100n 100n 2935 100n 2934 1 2 3 4 5 100n LQR3215 0102F 1931 2932 33n 2931 33n 6 7 8 33n 2930 1936 WH08D 1 1 2 3 4 5 2 3 4 5 6 7 8 WH08D 1 1935 1 5 33n 2933 1930 LQR3215 040...

Page 93: ...0 F5 7710 D11 7711 E14 7712 H4 placed on some pos as 7710 Pos to MSP F702 C10 F703 C6 F704 A4 4700 0R 1706 F707 D1 F708 B12 F709 C6 0 1 for PAL I only for MSTD only N750 K3953M SFS_TS 0 40 4 ADJUST 0R I731 H4 I732 B3 I754 D13 1 4K7 3716 I742 220p 2719 I731 470R 3702 3717 4K7 I711 PDTC124EU 7704 F710 2730 220n 220R 3704 2u2 2732 7701 PDTC124EU 2 1 3 I744 TPSRD 1706 6M0 I716 I704 7706 PDTC124EU I708...

Page 94: ...454 2440 1u0 F5116 12VSTBY F5103 3481 1M0 5402 10u 3 BC847BW 7409 2 3460 4K7 3421 27K 1K0 3415 I459 75R 3427 4402 3410 75R 47K 3429 28 1u0 2446 BSH111 7420 5NSTBY 47u 2405 I402 I482 F5215 I407 3447 47K F5201 3423 390R F4721 F4716 F4722 F5208 F412 2401 100p 10u F5202 2428 F5102 I483 5SW F499 3463 3409 75R 3489 82K 20 F5113 F913 10u 5406 5VSTBY 4401 I478 3461 I486 3467 5NESD 2406 10n 5NESD 5VSTBY 34...

Page 95: ...R 3525 2522 100u 16V I528 4 13 3 7506 BC817 25W 6 16 7 8 12 1 14 5 15 2 11 MDX HEF4052B 7504 10 9 2527 1n0 100u 100K 3506 2516 I513 3513 1K0 3529 4K7 7502 2 MC33079 5 6 7 1 2 3 EH 1950 3 2 1 3K9 3536 MC33078D 7505 1 2524 1u0 5NSTBY 3527 820R 3507 100K 1n0 2523 I540 2526 100u 16V 2507 1u0 5NSTBY I517 2513 1u0 2501 1u0 220R I514 3522 1n0 2517 3517 4K7 2510 100u 6 3V 5VSTBY 3518 1K0 12 1 14 5 15 2 11...

Page 96: ... 2600 A6 2601 A6 QFP44 2602 A7 I608 C2 D 1 2 2626 E2 E I613 F6 D E F A F 1600 F7 DVAR 6 2604 A9 I603 A6 3603 B2 7600 A3 F6001 E1 I604 A7 I605 B7 3607 E2 I607 C1 B C 1960 E1 I609 D7 I610 F7 I611 F7 I612 F5 I624 A5 I614 B7 2 4 3612 E8 4 5 1 6 7 I616 B2 I617 B7 5600 A8 2619 E9 2620 F7 F6002 E1 F6004 E1 I601 A7 I602 A4 3602 B9 A 3606 E2 C 3611 D8 2618 E9 I625 A5 3 I620 E2 I623 E7 7 8 I630 E2 I631 E2 8...

Page 97: ... 100R 2933 47u 5SW A_YCVBS SCLSW SDASW 5SW ANALOG BOARD VPS A V board LX7500R 221104 A DC 1 V Div 20ns Div I994 A DC 200mV Div 10us Div I989 1 2945 D2 4 3950 A3 1 E 2940 A2 2941 B3 3944 E3 D 3 4 3946 E2 7932 B2 D 3938 C1 3941 D3 I959 D3 A 3942 E1 3943 E2 2942 D2 3947 E4 3948 A1 3953 B2 2947 E3 3937 C1 3940 D1 3939 C3 3945 E3 2944 D4 3951 B2 2 I952 B3 I956 D2 I957 D2 3952 B3 A B 7933 B3 7934 A A2 2...

Page 98: ...19 22R 2038 4n7 2R2 3015 1n0 2008 2010 47u 10K 3044 3001 2R2 10K 3003 F0009 47u 2020 3046 470R 7008 BC847BW F006 47K 3034 3008 4K7 F005 F0005 F0003 5V I022 I006 5VSTBY 3047 100K 4 5 15 10 12 I014 14 7 6 8 16 9 1 3 2 UDA1361TS 7005 ADC Φ 24 BIT AUDIO 11 13 2040 4n7 3013 22R 2009 3V3DD 100n 5N F0014 100n 2018 7010 PDTC124EU 5 6 7 8 4 3048 100R MC33078D 7002 2 22R 3018 5V 2011 10u 25V 2R2 3029 1R0 30...

Page 99: ...2 A1 9035 C1 9036 C7 9037 B4 9038 B2 9039 A3 9422 C2 9423 C6 9424 A7 9425 C3 9426 A7 9427 A6 9428 A7 9429 A5 9430 A7 9431 B6 9432 C4 9433 A5 9434 C1 9435 C4 9436 B5 9437 B5 9438 B5 9439 B4 9440 B3 9441 A6 9442 A4 9443 B3 9444 C3 9445 C3 9446 C6 9447 A2 9448 A1 9449 C4 9450 A2 9451 C6 9452 A3 9453 A4 9455 A3 9457 A3 9459 B3 9460 B5 9461 B3 9462 B3 9463 B4 9464 C1 9465 B2 9466 B3 9467 A4 9468 A3 946...

Page 100: ...3507 A5 3508 A4 3510 B5 3511 A4 3512 B6 3513 A5 3514 A6 3516 A6 3518 A4 3520 A4 3521 A4 3522 A4 3524 A4 3525 A4 3526 A5 3527 A4 3528 A4 3529 A4 3530 A4 3531 A4 3534 A6 3535 A5 3536 A5 3537 A5 3538 A4 3584 A7 3585 A7 3586 A7 3587 A7 3588 A6 3600 B4 3602 B4 3606 B3 3607 B3 3611 B4 3612 B3 3702 A1 3704 C1 3705 C1 3710 B2 3711 A1 3714 B2 3715 B2 3716 B1 3717 C2 3720 B2 3725 C2 3726 B1 3728 C2 3730 B1 ...

Page 101: ...8001 F817 7817 BC847BW GNDD GNDD 2820 10n F8608 I807 F826 3856 10K 3881 47K GNDD 100n 2803 PMBT2369 7807 GNDD GNDD 33K 3846 F8808 GNDD 3838 1K0 3882 47K I822 F804 2M2 3861 3800 22K 6804 BAT254 I825 F847 GNDD F8604 F807 1K0 3835 6802 BAT254 GNDD 4R7 3866 3V3STBY F829 GNDD GNDD F848 2830 100n F8805 3807 100K 3858 100K 3 4 5 6 7 8 3857 10K 3V3STBY_R C36 1988 1 2 GNDD F8702 F813 PDTC124EU F801 I802 78...

Page 102: ...CECO for SET FAN only MOT delete for SET FAN to FAN 7910 PDTC124EU GNDD MOT not used F901 BAV70W 6901 3923 10K I904 4904 7902 1 3 2 1 GNDD GNDD LM324D 10 9 8 1K0 3914 LM324D 7902 3 18K 12VSTBY 3928 GNDD 1K0 3915 4903 GNDD F903 F902 7905 PDTC124EU 1K0 3918 GNDD 5VSTBY 3V3STBY 6902 BAT254 10K 3924 F904 7903 PDTC124EU 4K7 3926 7908 PDTC124EU 100u 2912 1 2 GNDD GNDD GNDD 1902 S2B EH 7904 PDTA124EU I90...

Page 103: ...EN 103 7 LX7500R Circuit Diagrams and PWB Layouts uP Sub Board top view uP Sub Board bottom view ...

Page 104: ... C2 F843 B1 F844 A2 F845 A2 F846 A1 F847 B1 F848 A3 F849 A3 F850 B3 F851 B3 F852 C2 F8603 C1 F8604 A3 F8606 C3 F8607 C3 F8608 C3 F8609 C3 F8610 C3 F8701 A1 F8702 A3 F8703 A3 F8704 A3 F8705 A3 F8706 A3 F8707 A3 F8708 A3 F8802 C2 F8803 C2 F8804 C2 F8805 C2 F8806 C2 F8807 C2 F8808 C1 F901 A1 F902 A3 F903 A1 F904 A1 F905 A2 F906 A1 F907 B1 F908 A1 F909 B1 F910 B1 I801 C2 I802 C3 I803 C2 I804 B2 I805 A...

Page 105: ...306 F0509 10p 2109 F0213 100R 3150 4118 F0511 47R 3139 F0203 F0202 4K7 3121 3081 100R 10K 3097 33R 3133 10K 3119 3156 4K7 F0207 5108 3110 33R F0236 3134 4K7 39 4 40 5 6 7 8 9 3 30 31 32 33 34 35 36 37 38 2 20 21 22 23 24 25 26 27 28 29 10 11 12 13 14 15 16 17 18 19 IDE1 1 440090 4 1102 1 F0208 6K8 3192 TLMH3100 6103 3095 4K7 I120 100n 2125 74HCT14D 1 7 14 2 7111 1 F0205 F0206 I104 33R 3108 F0601 3...

Page 106: ...0n 33R 3229 3266 4K7 4201 10R 3228 10R 3248 3215 33R 2237 100n 2235 1n0 I220 100n 3291 4K7 2214 33R 3241 100R 3318 100n 2234 TLMH3100 6200 33R 3226 10K 3235 4K7 3263 2220 100n 3294 100R 5K1 3240 I224 100R 3315 10R 3285 33R 3217 4203 100n 2224 10R 3234 100n 2230 270p 2201 100n 2215 F1201 2232 100n 3249 33R 100R 3278 5201 I222 3200 10K 4K7 3287 4K7 3289 22K 3257 33R 3273 3203 10K 3218 33R F200 I217 ...

Page 107: ...100n 2310 4316 4315 1K0 3308 1R0 3306 5K6 3305 I301 4314 7304 27M 2 1 4 3 FXO 35F 4311 56R 3300 4313 2300 4u7 4308 4306 3310 1K0 5302 4310 2305 100n 74LVC125AD 7300 3 9 7 10 14 8 I305 100n 2309 15K 3302 2307 100n 14 3 4309 7300 1 74LVC125AD 2 7 1 12 7 13 14 11 I300 7300 4 74LVC125AD 4312 I304 100n 2311 I302 4305 4301 10K 3311 3309 100n 2303 4u7 3304 4K7 7303 74LVC1G32 1 2 3 5 4 5300 10K 3307 33p 2...

Page 108: ...GND29 L11 GND3 R16 GND30 P16 GND31 P15 GND32 N16 GND33 N15 GND34 GND35 M16 M15 GND36 L16 GND37 E23 GND38 D23 GND39 M11 GND4 D22 GND40 D21 GND41 N14 GND13 AC5 GND14 AC6 GND15 P13 GND16 R13 GND17 T12 GND18 T13 GND19 E4 GND2 GND20 P14 R14 GND21 R15 GND22 T14 GND23 T15 GND24 AC21 GND25 AC22 GND26 AC23 GND27 AB23 DQM0 H24 DQM1 R26 DQM2 R25 DQM3 AD7 DSU CLK AF8 DSU TPC0 AF6 DSU TPC1 AD20 DTR3 FSCLK012 O...

Page 109: ...01 B3 I503 B4 I504 C4 1 1K5 1 FOR C3 7500 1 A5 2 3 4 5 6 7 1 2 3 4 5 6 7 A B C D E I506 B5 I510 1 not used I505 2514 100n I500 100n 2524 1504 I506 F502 F1502 F 1000mA 1507 I507 F1509 10u 5503 10n 2527 2516 100u 7 8 2 1 STS5DNF20V 7500 1 1505 1000mA F 4500 5501 3504 1K3 470n 2515 1503 100u 2512 2518 100p F501 I504 F 1000mA 1506 F1505 100n 2525 5502 I508 I511 F1510 7 F1501 4 5 6 8 3 2 1 7501 NCP1571...

Page 110: ...100n 3723 1K0 100n 2726 7702 2 AD8092AR 5 6 7 8 4 3705 300R 3716 1K0 2727 100n I721 I706 I727 4u7 5712 5711 4u7 2730 100n 3729 10R 3730 10R I745 I746 2707 100n I707 100R 3701 F1701 7 8 9 12 13 50 49 41 10 56 1 46 4 5 6 54 55 58 59 60 61 62 22 21 48 52 64 19 25 23 24 33 47 35 31 53 38 37 11 57 34 2 3 14 15 51 28 29 30 32 63 45 36 44 43 42 39 40 20 16 17 18 26 27 Φ VIDEO ENCODER ADV7302A 7703 4u7 27...

Page 111: ...18 1 14 27 3 9 43 49 53 5 7 8 10 11 13 42 44 39 15 17 37 38 19 2 4 45 47 48 50 51 25 26 29 30 31 32 33 34 20 21 7808 2M X 16 X 4 DRAM Φ 23 24 22 35 MT48LC8M16A2TG 3 6 5 8 4 7 100n 2827 7809 M24C64 WMN6 EEPROM Φ 8Kx8 1 2 2828 100n I800 7 14 8 74LVC00AD 7803 3 9 10 3811 10K 22K 3855 5804 2830 100n 10K 3812 4K7 3816 100n 2810 100n 2825 10p 4812 2814 4 5 7 14 6 7803 2 74LVC00AD 4806 100n I805 2808 46 ...

Page 112: ...75R 270p 2915 2931 I944 4u7 I940 I943 100R 3907 4912 I915 2906 100n I920 F1921 7905 PDTC124EU 75R 3932 3941 750R 2934 100n 3944 1K0 5K6 3954 2922 68p 100n 2924 1K0 3931 4 3 2 1 8 I904 7910 1 AD8092AR 2928 270p F1902 10n 2943 100n 2912 100n I921 2933 75R 3930 1R0 3955 270p 2937 4910 5 6 7 8 4 AD8092AR 7910 2 3910 68R 4906 3934 F1909 75R 4K7 3947 3928 1K0 100n 2905 I932 270p 2916 2923 100n 47R 3087 ...

Page 113: ...10K 3020 4005 100n 2052 3002 100R 2064 F017 100n F016 100R 3008 F001 47u 2014 2045 18p 100n 2034 2038 100n 2016 100n 5011 100n 2031 5003 10K 3017 100n 2003 100n 2017 2020 100n 100n 2018 I007 100n 2043 4004 100n 2000 1 4 5 8 2 3 6 7 7001 LD1117D33 3003 4K7 F007 100n 2040 I001 100n 2055 2057 100n 2044 4u7 3016 10K 2062 100n 4u7 2033 F004 4001 100n 3006 2K2 100n 2032 2030 100n 2053 I009 F019 I004 200...

Page 114: ...3308 B1 3309 B1 3310 B1 3311 B1 3316 B2 3317 B2 3318 B2 3319 B2 3402 D2 3403 C2 3404 C2 3405 D2 3406 D2 3407 C2 3408 C2 3410 C2 3411 C2 3413 C2 3416 C2 3417 C2 3419 C2 3420 C2 3421 C2 3423 C2 3424 C1 3425 C1 3426 C1 3427 C1 3428 C1 3429 C1 3430 C1 3431 C1 3432 C1 3436 C1 3437 C1 3438 C1 3439 C1 3440 C1 3442 D2 3443 D1 3444 D1 3445 D1 3446 D1 3447 D2 3448 D2 3449 D2 3450 D2 3451 D2 3452 D1 3453 D2 ...

Page 115: ...63 B3 3165 B3 3173 B3 3184 B3 3185 A1 3186 B1 3187 B3 3189 B1 3191 B1 3192 B1 3195 B1 3197 B1 3199 B1 3200 A2 3202 A2 3203 B3 3205 A3 3207 A3 3219 B3 3222 B3 3224 C2 3226 C2 3227 C2 3250 B2 3253 A3 3262 B2 3263 B2 3264 B2 3265 B2 3266 B2 3267 B2 3268 B2 3269 B2 3274 A2 3277 A2 3279 A2 3280 A3 3281 A3 3282 A3 3283 A3 3285 A3 3286 B2 3287 B2 3288 B3 3289 B3 3290 B2 3291 B2 3292 B3 3293 B3 3315 A2 33...

Page 116: ...3 I103 D2 I104 D2 I105 D1 I106 C2 I108 B3 I109 A2 I110 B3 I111 A2 I112 B3 I114 B3 I115 D2 I116 D1 I117 B1 I119 B3 I120 B3 I121 B3 I122 B3 I123 B3 I124 B3 I200 B2 I201 A3 I202 A3 I203 A3 I204 A2 I205 D3 I206 B2 I207 A3 I208 A3 I209 A3 I210 A3 I211 A3 I212 B3 I213 B3 I214 A3 I215 A3 I216 B3 I217 A3 I218 B3 I219 B3 I220 A2 I221 A2 I222 A3 I223 A2 I224 A2 I225 B3 I226 B3 I227 B3 I300 B3 I301 B3 I302 B...

Page 117: ... or disturbed TV channel reception PAL AFC adjustment 5711 2 HF AGC adjustment 3724 Service tasks after replacement of IC 7710 Purpose Set amplifier control Symptom if incorrectly set Picture jitter if input level is too low and picture distortion if input level is too high TP ADJ MODE INPUT DC Voltmeter Frequ Generator TUNER 38 9MHz 500mVpp at Tuner 1705 Pin 11 F710 IF out 2 5V 0 1V DISC DISC DIS...

Page 118: ...ed by the slash version as parameter The slash versions used in LX7500R are the following LX7500R 01 35 LX7500R 05 36 LX7500R 04 39 LX7500R 69 40 Example DD 1217 35 Reset of Slash Version Use command 1115 to reset the analogue board to the default setting Procedure Put the set in DSW command mode Execute command 1115 with the following parameters DD 1115 w 0xAE 2 0xD0 0x00 Leave the DSW command mo...

Page 119: ... 1207 Therefore we use the 10 hexadecimal numbers we calculated above example 1207 10D7A3830C 12700 Test OK The set has now its original unique number 8 4 Alignments after replacing the Boot EEPROM 7810 The NVM item 7810 on the Digitalt Board Chrysalis contains the Diversity String that tells the software during startup which hardware version is present The setting is stored in the NVM during the ...

Page 120: ...he two heater pins of the VFD FIL1 and FIL2 are clamped so that the grids and segments can be fully switched off 9 1 7 REC LED The REC LED ring is made with 3 red LED controlled via pin 3 only for flashing and pin 12 for on off switching of the microcontroller The POS 7105 is used as a driver for the led 9 1 8 STANDBY LED The STANDBY led is a red led and controlled from the pin 14 from the microco...

Page 121: ...2 for audio 1701 is switched into the signal path for DK I SECAM L L reception if the signal SFS_TS is high In this case the switches 7704 7705 are open and the diode 6703 is conducting 1703 is switched into the signal path for BG reception SFS_TS is low Then the switch 7712 is open and the diode 6704 is conducting For DK I SECAM L L reception an additional circuit for suppressing the audio carrie...

Page 122: ... dig board AL AR DVAL 3 UDA1360 ADC A_DATA to dig board 1 ARADC ALADC 16 UDA1334 DAC VOR VOL 14 ARDAC ALDAC D_DATA from dig board LH Logic 1 3 5 1 10 9 LL HL MSB LSB HEF4052 2 5 12 L H L H HH LH LL HL HH 3 4 15 14 11 13 1 6 MSB LSB POS 7503 LH Logic 1 3 5 1 10 9 LL HL MSB LSB HEF4052 2 5 12 L H L H HH LH LL HL HH 3 4 15 14 11 13 1 6 MSB LSB POS 7501 MSP34XX 2 I2C Control 8 9 12 13 26 27 31 30 37 3...

Page 123: ...ch plug 1925 or 1926 B in case of option DIGITAL IN The capacitors 2256 and 2266 perform an AC coupling between connector and set ground The second DAOUT signal is fed directly via 3264 to the optical out transmitter 6255 g Digital Audio Input Path with IOE Print There are two possibilities for a digital audio input signal in case of option DIGITAL IN One is the signal from the optical receiver 62...

Page 124: ...on to that the DAC 7001 and the cinch outputs can be killed muted in case of digital silence by the circuit around 7008 7009 and 7010 when no audio data are available e g D_DATA0 line zero This function can be also activated via the ION line set to high during any stand by mode To avoid signal distortions clipping the mute transistors for cinch rear out 7415 7416 are decoupled via 7011 ...

Page 125: ...Circuit IC descriptions and list of abbreviations EN 125 LX7500R 9 9 3 5 Video routing Figure 9 1 Video IO Europe ...

Page 126: ...t of the CC P WSFI line In case the level is higher than 3 5V the input signal is a 16 9 source If the level is lower than 2 4V the picture ratio is 4 3 For generation of the appropriate DC voltage on the Y C out rear the WSRO line is controlled via pin 18 of 7408 by the CC P Pin 18 set to low means 4 3 pin 18 set to high determines 16 9 The control of the switching voltage Pin 8 of Scart 1 is don...

Page 127: ... from dig board AL AR Modulator Rear IN 2 AIN2R AIN1R AIN1L Rear Out 2 AL AR DVAR DVAL AMCO 3 UDA1360 ADC A_DATA to dig board 1 ARADC ALADC Y UV CVBS YC Rear IN 1 NAFTA only Rear Out 1 Y UV CVBS YC MSP34XX 2 I2C Control 8 9 12 13 26 27 31 30 37 38 41 40 Q Peak Det Source select Demodulator DACM_L DACM_R SC1_OUT_L SC1_OUT_R LH Logic 1 3 5 1 10 9 LL HL MSB LSB HEF4052 2 5 12 L H L H HH LH LL HL HH 3...

Page 128: ...al Audio Input Path with IOE Print see chapter 9 3 4 g 9 4 3 Audio ADC DAC The conversion of analog audio signals from the record selector 7501 in the I O ALADC ARADC is done via UDA1361TS 7005 This IC can process input signals up to 2Vrms by using an external resistor 3039 3041 in series to the input pins As the level from the DVIO Board is only 1Vrms a 6dB step can be performed by setting pin 7 ...

Page 129: ...Circuit IC descriptions and list of abbreviations EN 129 LX7500R 9 9 4 4 Video routing Figure 9 3 Video IO Nafta ...

Page 130: ...le a switching between interlaced and progressive output is necessary While the transistors 7421 7422 7424 7425 7427 and 7428 are used as driver for Y U V progressive 7423 7426 and 7429 together with 7405 are necessary for killing these signals via pin 42 of 7408 in case the interlaced is selected PSCAN_KILL line set to low If progressive output is active the pins 27 29 and 31 of 7408 are set to h...

Page 131: ...les In the Chrysalis the video MPEG2 stream and the audio AC3 stream are multiplexed into an I2S stream The serial data are sent to the Basic Engine for recording Front end IDE Interface IC7400 Chrysalis interfaces directly to the Basic Engine BE IDE bus via connector 1102 Via connector 1101 it connects to the hard disk The normal recording is always done on the hard disk Only archiving and playba...

Page 132: ... IC7200 pins 59 and 60 24 576 MHz provided by xtal 1201 9 5 5 Power Supply The Digital Board is not powered in standby mode The control signal ION Inverse On coming from the analogue board will enable the PSU and power the digital board ION High the digital board is in powered down standby mode ION Low the power supply to the digital board is enabled The 3V3 5V 5V and 12V come from the PSU while t...

Page 133: ... IC7810 NVRAMs IC7004 VIP IC7700 FLI2301 Video De interlacer Line Doubler for Chrysalis F boards IC7703 ADV7196 Video Enc for progressive scan done by Chrysalis 9 5 9 I O Connectors AIO Connector item 1900 The Audio In Out AIO connector is used to interchange digital audio signals between Analog and Digital Board DAIO Connector item 1901 The Digital Audio In Out DAIO connector is used to interchan...

Page 134: ...with most RS232 interfaces and vice versa The control line MPIO19_CTL_SERVICE is used to activate service and diagnostic SW at start up procedure The connectivity is provided via an external service tool 9 7 I O Extension Board This board feeds the internal S PDIF signal from the Digital board to an optical and or digital out connector For European players also an YUV output is present on this boa...

Page 135: ...Circuit IC descriptions and list of abbreviations EN 135 LX7500R 9 9 8 IC Descriptions 9 8 1 Display Board IC 7103 TMP87CH74F Display Board Front Microprocessor Figure 9 8 ...

Page 136: ...Circuit IC descriptions and list of abbreviations EN 136 LX7500R 9 Figure 9 9 ...

Page 137: ...Circuit IC descriptions and list of abbreviations EN 137 LX7500R 9 Figure 9 10 ...

Page 138: ...tal Output Pin 5 17 R PR CIN_AUX Red or Pr or Chroma input from Auxiliary SCART2 or external Cinch 18 DIGOUT6 Digital Output Pin 6 19 Y CVBSIN_AUX Y CVBS Input from Auxiliary SCART2 or external Cinch 20 VCCB_REC Video Output Recorder Buffer Supply Pin 21 Y CVBSOUT_REC Y CVBS Output to Recorder 22 GNDB_REC Ground Supply for Recorder Buffer 23 COUT_AUX Chroma Output to Auxiliary SCART2 or external C...

Page 139: ...1 43 CIN_TUN Chroma Input from Tuner 44 DIGOUT2 Digital Output Pin 2 Figure 2 STV6618 Input Output Diagram Pin No Symbol Description SCART1 TV R PR COUT_TV G YOUT_TV B PBOUT_TV FBOUT_TV Y CVBSOUT_TV Y CVBSIN_TV Tuner Y CVBSIN_TUN Encoder R PR CIN_ENC G YIN_ENC B PBIN_ENC CVBSIN_ENC CIN_ENC YIN_ENC Recorder Y CVBS_REC SCART2 R PR CIN_AUX G YIN_AUX B PB_AUX FBIN_AUX Y CVBSIN_AUX COUT_AUX COUT_REC CI...

Page 140: ...UT_AUX SCART2 mute 6 dB R Pr COUT_TV mute 6 dB G YOUT_TV SCART1 SCART1 mute 6 dB B PbOUT_TV SCART1 Y CVBS_TUN Y CVBS_TV Y CVBS_AUX CVBSIN_ENC YIN_ENC CIN_TV CIN_ENC G YIN_ENC G YIN_AUX R Pr CIN_AUX B PbIN_AUX R Pr CIN_ENC B PbIN_ENC FBOUT_TV SCL FBIN_AUX 0v 5v SDA C_GATE I C Bus Bo Clamp Bo Clamp Bo Clamp Bo Clamp Av Clamp Av Clamp Bot sync av Bo Sync Bot sync Bot sync av CVBSIN_TUN Y CVBSIN_TV Y ...

Page 141: ...Circuit IC descriptions and list of abbreviations EN 141 LX7500R 9 IC7411 NJM2285 Analog Board Video Switch ...

Page 142: ... 2 3 GND S1 CTRL FREQUENCY CONTROL VOLTAGE CONTROLLED OSCILLATOR LOGIC LOGIC OVER VOLTAGE PROTECTION OVERPOWER PROTECTION short winding soft start S2 OVER TEMPERATURE PROTECTION S Q R UVLO Q MAXIMUM ON TIME PROTECTION POWER ON RESET 1 VALLEY TEA1507 100 mV clamp DRIVER START UP CURRENT SOURCE 0 75 V 0 5 V 5 I sense 6 DRIVER MGU230 4 DEM 8 DRAIN 7 HVS n c OCP LEB blank I ss 2 5 V burst detect Fig 2...

Page 143: ... INTERPOLATOR SERIAL CONTROL INTERFACE AUTO CLOCK DIVIDE CIRCUIT VOLUME MUTE CONTROL DATA INPUT 3 2 DIGITAL SUPPLY CLOCK IN ANALOG OUTPUTS 2 2 ZERO FLAG ANALOG SUPPLY DE EMPHASIS MUTE RESET 2 SERIAL MODE 16 18 20 24 BIT DIGITAL DATA INPUT AD1852 MULTIBIT SIGMA DELTA MODULATOR ATTEN MUTE DAC MULTIBIT SIGMA DELTA MODULATOR 8 3 FS INTERPOLATION ATTEN MUTE VOLTAGE REFERENCE DAC ...

Page 144: ...ine Level Analog Output 14 O FILTR Voltage Reference Filter Capacitor Connection Bypass and decouple the voltage refer ence with parallel 10 µF and 0 1 µF capacitors to the AGND 16 O OUTL Left Channel Negative Line Level Analog Output 17 O OUTL Left Channel Positive Line Level Analog Output 18 I AVDD Analog Power Supply Connect to Analog 5 V Supply 19 FILTB Filter Capacitor Connection Connect 10 µ...

Page 145: ...onverter Control NCP303LSNxxT1 Open Drain Output Configuration Vref 2 Input 3 Gnd 5 CD RD 1 Reset Output NCP1570 Figure 2 Block Diagram UVLO COMP Fault Latch Set Dominant 0 25 V Error Amp R S Q PWM Latch Reset Dominant PWM COMP Σ OSC Art Ramp 80 200 kHz 0 525 V 8 5 V 7 5 V 0 985 V S R Q VCC GND VFB COMP GATE H GATE L PGDELAY PWRGD Non Overlap VCC 0 89 V 0 69 V 0 25 V S R Q PGDELAY Latch Set Domina...

Page 146: ...ing pin 0 45 locks gate outputs to a zero percent duty cycle state 5 GATE H High side switch FET driver pin Capable of delivering peak currents of 1 5 A 6 GATE L Low side synchronous FET driver pin Capable of delivering peak currents of 1 5 A 7 VFB Error amplifier and PWM comparator input 8 GND Power supply return FUNCTIONAL BLOCK DIAGRAM CGMS MACROVISION SHARPNESS FILTER CONTROL AND ADAPTIVE FILT...

Page 147: ... Data Input Output 32 DAC C O Color Component Analog Output of Input Data on Cb Cr9 0 Input Pins 34 DAC A O Y Analog Output 36 DAC B O Color Component Analog Output of Input Data on Cr9 Cr0 Input Pins 37 COMP O Compensation Pin for DACs Connect 0 1 µF capacitor from COMP pin to VAA 38 RSET I A 2470 Ω resistor for input ranges 64 940 and 64 960 output standards EIA 770 1 EIA 770 3 must be connected...

Page 148: ...50 OUT P50 OUTput line only for Europe POR_DC Power On Reset for Display Control Print Ext_DL PSS Output Enable ReaD CC Flash ROM and S RAM PWM_FIL Control line for Filament Voltage Generation PWONSW Amplifier Switch Audio A D Converter RD_ Pal Secam Select RECLED Control Signal for REC LED RESET_DIG Reset Line to Digital Board RP_ Inverse Reset line to Flash ROM RSA1 2 Record Selector 1 2 RY BY_ ...

Page 149: ...deo clock input of Link Codec IC7431 INT Interrupt request output of Link Codec IC7431 input to Micro Controller IOR Parallel interface IO read control input of Link Codec IC7431 ISPN In System Programming signal used for programming IC7802 LKON Link on signal outputLPSLink power status inputLREQLink request input MA 0 10 SDRAM address lines of Link Codec IC7431 MCAS SDRAM column address strobe si...

Page 150: ...EN 150 10 LX7500R Spare Parts List 322 317 327 330 325 328 331 323 338 4x 338 1 339 1 341 1 338 2 338 4 338 3 340 4x 341 339 click accessories LX7500R 201004 ACCESSORIES ...

Page 151: ...0377 TV ANTENNA CABLE 331 2422 549 45813 LOOP ANTENNA AM 338 9965 000 26097 SATELLITE BOX LX7500 339 3103 607 90961 CENTER BOX LX7500 340 3103 607 90971 ALUM STAND FOR SATELL SPEAKERS 341 3103 607 91031 SUBWOOFER MISCELLANEOUS 1106 3103 608 51732 CHRYS BOARD PPS E4_AV3_PLUS 1108 2722 171 00139 SMPS AC6191 B 230V 1109 2422 542 90137 RADIO TUNER MODULE EU 8004 3103 308 95031 FLEXFOIL CABLE 12P 350mm...

Page 152: ...8 021 32720 2 7kΩ 5 0 06W 3321 3198 021 34720 4 7kΩ 5 0 06W 3322 3198 021 34720 4 7kΩ 5 0 06W 3323 3198 021 31020 1kΩ 5 0 06W 3324 3198 021 33320 3 3kΩ 5 0 06W 3325 3198 021 31090 10Ω 5 0 06W 3326 3198 021 32290 22Ω 5 0 06W 3327 3198 021 32290 22Ω 5 0 06W 3328 3198 021 36830 68kΩ 5 0 06W 3329 3198 021 36830 68kΩ 5 0 06W 3330 3198 021 31030 10kΩ 5 0 06W 3331 3198 021 31030 10kΩ 5 0 06W 3332 3198 02...

Page 153: ...21 31020 1kΩ 5 0 06W 3114 3198 021 31010 100Ω 5 0 06W 3115 3198 021 31010 100Ω 5 0 06W RESISTORS 3116 3198 021 33310 330Ω 5 0 06W 3117 3198 021 31030 10kΩ 5 0 06W 3118 3198 021 33310 330Ω 5 0 06W 3119 3198 021 34710 470Ω 5 0 06W 3120 3198 021 31020 1kΩ 5 0 06W 3121 3198 011 02210 220Ω 5 0 16W 3122 3198 021 31030 10kΩ 5 0 06W 3123 3198 021 34710 470Ω 5 0 06W 3124 3198 021 31030 10kΩ 5 0 06W 3125 31...

Page 154: ...07 FFC CONNECTOR 10P SIDE ENTRY 1200 2422 026 05441 CINCH SOCKET 6 FOLD 1202 2422 025 14541 FFC CONNECTOR 11P SIDE ENTRY 1300 4822 265 11208 FFC CONNECTOR 10P SIDE ENTRY 1302 4822 265 11207 FFC CONNECTOR 6P SIDE ENTRY 1702 4822 267 31729 CINCH SOCKET BLACK CAPACITORS 2000 3198 028 41090 10µF 20 35V 2001 3198 017 31040 100nF 10 16V 2002 3198 017 31040 100nF 10 16V 2003 3198 017 31040 100nF 10 16V 2...

Page 155: ... 220pF NP0 50V 2318 3198 016 32210 220pF NP0 50V 2319 3198 016 32210 220pF NP0 50V CAPACITORS 2320 3198 016 32210 220pF NP0 50V 2321 3198 037 54780 4 7µF 20 50V 2322 3198 037 54780 4 7µF 20 50V 2323 3198 017 34710 470pF 20 50V 2324 2022 552 05742 470nF 10 16V 2324 2222 780 15658 470nF 10 16V 2325 2222 780 15658 470nF 10 16V 2325 2022 552 05742 470nF 10 16V 2326 2022 552 05742 470nF 10 16V 2326 222...

Page 156: ... 10 50V 2536 3198 017 31520 1 5nF 20 50V 2537 3198 017 33310 330pF 20 50V CAPACITORS 2538 3198 017 31520 1 5nF 20 50V 2539 3198 017 33310 330pF 20 50V 2540 2238 586 55618 470pF 10 50V 2541 3198 017 31030 10nF 10 50V 2542 3198 017 31520 1 5nF 20 50V 2543 3198 017 33310 330pF 20 50V 2544 3198 028 54770 0 47µF 20 50V 2545 3198 028 21010 100µF 20 16V 2546 2022 552 05638 100nF 10 16V 2547 3198 037 5109...

Page 157: ...18kΩ 5 0 06W 3012 3198 021 31030 10kΩ 5 0 06W RESISTORS 3013 4822 052 10228 2 2Ω 5 0 33W NFR 3014 3198 021 31030 10kΩ 5 0 06W 3015 3198 021 31020 1kΩ 5 0 06W 3016 3198 021 31020 1kΩ 5 0 06W 3017 3198 021 31030 10kΩ 5 0 06W 3018 3198 021 34710 470Ω 5 0 06W 3019 3198 021 34710 470Ω 5 0 06W 3020 3198 021 34710 470Ω 5 0 06W 3021 3198 021 34710 470Ω 5 0 06W 3022 3198 021 31030 10kΩ 5 0 06W 3023 3198 02...

Page 158: ...2kΩ 5 0 06W 3223 3198 021 31020 1kΩ 5 0 06W 3224 3198 021 34790 47Ω 5 0 06W RESISTORS 3225 3198 021 32220 2 2kΩ 5 0 06W 3226 3198 021 31030 10kΩ 5 0 06W 3227 3198 021 36820 6 8kΩ 5 0 06W 3228 3198 021 32730 27kΩ 5 0 06W 3229 3198 021 31020 1kΩ 5 0 06W 3230 3198 021 31030 10kΩ 5 0 06W 3231 3198 021 32730 27kΩ 5 0 06W 3232 3198 021 31020 1kΩ 5 0 06W 3233 3198 021 36820 6 8kΩ 5 0 06W 3234 3198 021 31...

Page 159: ...10kΩ 5 0 06W 3523 3198 021 31030 10kΩ 5 0 06W 3524 3198 021 31030 10kΩ 5 0 06W RESISTORS 3525 3198 021 31030 10kΩ 5 0 06W 3526 3198 021 31030 10kΩ 5 0 06W 3527 3198 021 33320 3 3kΩ 5 0 06W 3528 3198 021 33920 3 9kΩ 5 0 06W 3529 3198 021 31030 10kΩ 5 0 06W 3530 3198 021 33920 3 9kΩ 5 0 06W 3531 3198 021 32210 220Ω 5 0 06W 3532 3198 021 31030 10kΩ 5 0 06W 3533 3198 021 33920 3 9kΩ 5 0 06W 3534 3198 ...

Page 160: ...98 021 31010 100Ω 5 0 06W 3739 3198 021 31010 100Ω 5 0 06W 3740 3198 021 31010 100Ω 5 0 06W RESISTORS 3742 3198 021 31010 100Ω 5 0 06W 3743 3198 021 31010 100Ω 5 0 06W 3744 3198 021 31010 100Ω 5 0 06W 3745 3198 021 31030 10kΩ 5 0 06W 3746 3198 021 31030 10kΩ 5 0 06W 3747 3198 021 31030 10kΩ 5 0 06W 3748 3198 021 31030 10kΩ 5 0 06W 3749 3198 021 31010 100Ω 5 0 06W 3750 3198 021 31010 100Ω 5 0 06W 3...

Page 161: ...010 42310 BC847BW 7101 4822 130 41246 BC327 25 7102 3198 010 42310 BC847BW 7103 3198 010 42320 BC857BW 7104 3198 010 42310 BC847BW 7105 3198 010 42320 BC857BW 7106 3198 010 42310 BC847BW 7110 3198 010 42310 BC847BW 7112 3198 010 42310 BC847BW 7200 3198 010 42310 BC847BW 7201 3198 010 42320 BC857BW TRANSISTORS 7202 4822 130 42804 BC817 25 7203 4822 130 42804 BC817 25 7205 4822 130 42804 BC817 25 72...

Page 162: ...2 126 14583 470nF 10 16V 2238 4822 126 14583 470nF 10 16V 2301 2222 580 15649 100nF 10 50V 2302 2222 580 15649 100nF 10 50V CAPACITORS 2304 2222 601 55649 100nF 10 100V 2305 2222 580 15649 100nF 10 50V 2306 2020 021 91431 22µF 20 100V 2307 2222 601 55649 100nF 10 100V 2308 2222 580 15649 100nF 10 50V 2311 4822 126 13188 15nF 5 63V 2314 2238 600 15619 560pF 10 100V 2315 2238 600 15619 560pF 10 100V...

Page 163: ... 0 06W 3604 4822 051 30103 10kΩ 5 0 06W 3605 4822 051 30682 6 8kΩ 5 0 06W 3606 4822 117 13632 100kΩ 1 0 06W 3607 4822 051 30102 1kΩ 5 0 06W 3608 4822 051 30105 1MΩ 5 0 06W 3609 4822 117 13632 100kΩ 1 0 06W 3610 9965 000 23109 22Ω 5 0 06W 3700 4822 117 12925 47kΩ 1 0 06W 3701 4822 117 12925 47kΩ 1 0 06W 3703 4822 117 12925 47kΩ 1 0 06W 3709 4822 117 12925 47kΩ 1 0 06W 3712 4822 117 12925 47kΩ 1 0 0...

Page 164: ... 100nF 10 25V 2416 3198 017 41050 1µF 20 10V 2417 2020 009 90074 10µF 20 16V 2418 3198 017 41050 1µF 20 10V 2419 3198 017 41050 1µF 20 10V CAPACITORS 2421 2020 009 90074 10µF 20 16V 2423 3198 017 41050 1µF 20 10V 2427 3198 017 41050 1µF 20 10V 2428 2020 009 90074 10µF 20 16V 2433 3198 017 34730 47nF 10 16V 2434 3198 029 04790 47µF 20 6 3V 2435 3198 023 41040 100nF 10 25V 2436 3198 017 41050 1µF 20...

Page 165: ...kΩ 5 0 06W 3015 3198 021 32280 2 2Ω 5 0 06W RESISTORS 3017 3198 021 32280 2 2Ω 5 0 06W 3018 3198 021 32290 22Ω 5 0 06W 3019 3198 021 32290 22Ω 5 0 06W 3020 3198 021 32290 22Ω 5 0 06W 3024 2322 704 64703 47kΩ 1 0 06W 3026 3198 021 34730 47kΩ 5 0 06W 3027 2322 704 64702 4 7kΩ 1 0 06W 3029 3198 021 31080 1Ω 5 0 06W 3030 2322 704 63301 330Ω 1 0 06W 3034 3198 021 34730 47kΩ 5 0 06W 3035 3198 011 01030 ...

Page 166: ... 3520 3198 021 32210 220Ω 5 0 06W 3521 3198 021 32210 220Ω 5 0 06W RESISTORS 3522 3198 021 32210 220Ω 5 0 06W 3523 3198 011 01020 1kΩ 5 0 2W 3524 3198 021 38210 820Ω 5 0 06W 3525 3198 021 32210 220Ω 5 0 06W 3526 3198 021 31020 1kΩ 5 0 06W 3527 3198 021 38210 820Ω 5 0 06W 3528 3198 021 34720 4 7kΩ 5 0 06W 3529 3198 021 34720 4 7kΩ 5 0 06W 3530 3198 021 38210 820Ω 5 0 06W 3531 3198 021 38210 820Ω 5 ...

Page 167: ...8 432MHZ 1701 4822 242 81436 FILTER 38 9MHZ OFWK3953M 1702 2422 549 44341 FILTER OFWK9656M 1703 4822 242 10307 FILTER 38 9MHZ OFWG3956M 1704 2422 549 44611 FILTER 5 5MHz 1990 4822 242 73552 XTAL 13 875MHZ 5001 2422 549 43062 FILTER 100MHz 5401 4822 157 11706 10µH 5 5402 4822 157 11706 10µH 5 COILS 5403 4822 157 11706 10µH 5 5406 4822 157 11706 10µH 5 5600 4822 157 11706 10µH 5 5601 4822 157 11706 ...

Page 168: ...CAPACITORS 2001 3198 029 04790 47µF 20 6 3V 2002 3198 023 41040 100nF 10 25V 2003 3198 023 41040 100nF 10 25V 2004 3198 029 04790 47µF 20 6 3V 2005 3198 029 01010 100µF 20 6 3V 2006 3198 016 34790 47pF 5 50V 2007 3198 029 31090 10µF 20 25V 2008 3198 016 31020 1nF 5 25V 2009 3198 023 41040 100nF 10 25V 2010 3198 029 04790 47µF 20 6 3V 2011 3198 029 31090 10µF 20 25V 2012 3198 023 41040 100nF 10 25V...

Page 169: ...8 023 41040 100nF 10 25V 2607 3198 016 35690 56pF NP0 50V 2608 3198 029 31090 10µF 20 25V CAPACITORS 2609 3198 016 35690 56pF NP0 50V 2610 3198 017 31030 10nF 10 50V 2611 3198 029 24790 47µf 20 16V 2612 3198 029 54780 4 7µF 20 16V 2616 3198 017 31020 1nF 10 50V 2617 3198 017 31020 1nF 10 50V 2620 3198 016 33380 3 3pF 10 50V 2621 3198 016 33380 3 3pF 10 50V 2623 3198 023 41040 100nF 10 25V 2626 319...

Page 170: ...0kΩ 5 0 06W 3440 3198 021 31030 10kΩ 5 0 06W 3442 3198 021 31540 150kΩ 5 0 06W RESISTORS 3445 3198 021 31510 150Ω 5 0 06W 3446 3198 021 34730 47kΩ 5 0 06W 3447 3198 011 04730 47kΩ 5 0 2W 3451 3198 011 01030 10kΩ 5 0 16W 3452 3198 021 31510 150Ω 5 0 06W 3454 3198 011 01020 1kΩ 5 0 2W 3455 3198 021 31030 10kΩ 5 0 06W 3458 3198 021 34720 4 7kΩ 5 0 06W 3459 3198 021 31030 10kΩ 5 0 06W 3460 3198 021 34...

Page 171: ...021 32230 22kΩ 5 0 06W 3952 3198 021 32730 27kΩ 5 0 06W 3953 3198 021 34720 4 7kΩ 5 0 06W 3954 3198 021 34720 4 7kΩ 5 0 06W RESISTORS 3955 3198 021 31030 10kΩ 5 0 06W 4003 3198 021 90030 CHIP JUMPER 0603 4004 3198 021 90030 CHIP JUMPER 0603 4301 3198 021 90030 CHIP JUMPER 0603 4402 3198 021 90030 CHIP JUMPER 0603 4403 3198 021 90030 CHIP JUMPER 0603 4411 3198 021 90030 CHIP JUMPER 0603 4413 3198 0...

Page 172: ... BC847BW 7403 3198 010 42320 BC857BW 7404 3198 010 42320 BC857BW 7405 3198 010 42310 BC847BW 7407 3198 010 42310 BC847BW 7409 3198 010 42310 BC847BW 7412 4822 130 61553 PDTC124EU 7421 3198 010 42310 BC847BW 7506 9340 219 30115 BC817 25W 7508 9340 219 30115 BC817 25W 7509 9340 219 30115 BC817 25W 7511 9340 219 30115 BC817 25W 7711 3198 010 42320 BC857BW 7717 9340 217 80115 BC847CW 7932 3198 010 423...

Page 173: ...198 021 31020 1kΩ 5 0 06W RESISTORS 3827 3198 021 31020 1kΩ 5 0 06W 3828 3198 021 31030 10kΩ 5 0 06W 3829 3198 021 31030 10kΩ 5 0 06W 3830 3198 021 31020 1kΩ 5 0 06W 3831 3198 021 31020 1kΩ 5 0 06W 3832 3198 021 33330 33kΩ 5 0 06W 3833 3198 021 31020 1kΩ 5 0 06W 3834 3198 021 31020 1kΩ 5 0 06W 3835 3198 021 31020 1kΩ 5 0 06W 3836 3198 021 31010 100Ω 5 0 06W 3837 3198 021 31230 12kΩ 5 0 06W 3838 31...

Page 174: ...94 FFC CONNECTOR 7P TOP ENTRY 1900 2422 025 16389 FFC CONNECTOR 22P TOP ENTRY 1904 2422 025 16389 FFC CONNECTOR 22P TOP ENTRY CAPACITORS 2014 3198 030 44790 47µF 20 16V 2015 3198 017 31040 100nF 10 16V 2016 3198 017 31040 100nF 10 16V 2017 3198 017 31040 100nF 10 16V 2018 3198 017 31040 100nF 10 16V 2019 3198 017 31040 100nF 10 16V 2020 3198 017 31040 100nF 10 16V 2021 3198 017 31040 100nF 10 16V ...

Page 175: ...100nF 10 16V 2428 3198 017 31040 100nF 10 16V 2429 3198 017 31040 100nF 10 16V CAPACITORS 2433 3198 017 31040 100nF 10 16V 2436 3198 016 33390 33pF 50V 2512 2020 021 91672 100µF 20 6 3V 2512 2020 021 91857 100µF 20 6 3V 2514 3198 017 31040 100nF 10 16V 2515 3198 017 44740 470nF 20 10V 2516 2020 021 91672 100µF 20 6 3V 2516 2020 021 91857 100µF 20 6 3V 2518 3198 016 31010 100pF 5 50V 2519 3198 017 ...

Page 176: ... 3096 3198 021 34720 4 7kΩ 5 0 06W 3098 3198 021 31040 100kΩ 5 0 06W RESISTORS 3100 3198 021 31030 10kΩ 5 0 06W 3101 3198 021 33390 33Ω 5 0 06W 3103 3198 021 33390 33Ω 5 0 06W 3106 3198 021 33390 33Ω 5 0 06W 3108 3198 021 33390 33Ω 5 0 06W 3110 3198 021 33390 33Ω 5 0 06W 3112 3198 021 33390 33Ω 5 0 06W 3113 3198 021 31030 10kΩ 5 0 06W 3114 3198 021 34720 4 7kΩ 5 0 06W 3116 3198 021 33390 33Ω 5 0 0...

Page 177: ...21 31030 10kΩ 5 0 06W 3282 3198 021 31030 10kΩ 5 0 06W RESISTORS 3285 3198 021 31090 10Ω 5 0 06W 3287 3198 021 34720 4 7kΩ 5 0 06W 3289 3198 021 34720 4 7kΩ 5 0 06W 3290 3198 021 34720 4 7kΩ 5 0 06W 3292 3198 021 34720 4 7kΩ 5 0 06W 3294 3198 021 32210 220Ω 5 0 06W 3295 3198 021 32210 220Ω 5 0 06W 3296 3198 021 32210 220Ω 5 0 06W 3297 3198 021 32210 220Ω 5 0 06W 3298 3198 021 32210 220Ω 5 0 06W 32...

Page 178: ...704 61002 1kΩ 1 0 06W 3707 2322 704 61002 1kΩ 1 0 06W RESISTORS 3709 2322 704 63001 300Ω 1 0 06W 3710 2322 704 67509 75Ω 1 0 06W 3713 2322 704 63001 300Ω 1 0 06W 3714 2322 704 61002 1kΩ 1 0 06W 3716 2322 704 61002 1kΩ 1 0 06W 3717 2322 704 63001 300Ω 1 0 06W 3718 2322 704 67509 75Ω 1 0 06W 3721 2322 704 63001 300Ω 1 0 06W 3722 2322 704 63001 300Ω 1 0 06W 3723 2322 704 61002 1kΩ 1 0 06W 3724 2322 7...

Page 179: ...3 4113 3198 021 90030 CHIP JUMPER 0603 4115 3198 021 90030 CHIP JUMPER 0603 4117 3198 021 90030 CHIP JUMPER 0603 4123 3198 021 90030 CHIP JUMPER 0603 4125 3198 021 90030 CHIP JUMPER 0603 4201 3198 021 90030 CHIP JUMPER 0603 4202 3198 021 90030 CHIP JUMPER 0603 4204 3198 021 90030 CHIP JUMPER 0603 4205 3198 021 90030 CHIP JUMPER 0603 4308 3198 021 90030 CHIP JUMPER 0603 4311 3198 021 90030 CHIP JUM...

Page 180: ...98 018 41580 1 5µH 5 5909 2422 549 45634 BEAD 60Ω at 100MHZ 5910 3198 018 41580 1 5µH 5 5911 3198 018 41580 1 5µH 5 5912 3198 018 41580 1 5µH 5 5913 3198 018 41580 1 5µH 5 5914 2422 549 45634 BEAD 60Ω at 100MHZ 5915 2422 549 45634 BEAD 60Ω at 100MHZ 5916 4822 157 11499 FILTER 100MHz 7402 2722 171 08819 XTAL 4MHZ FXO34FL DIODES 6000 4822 130 11528 1PS76SB10 6100 4822 130 11528 1PS76SB10 6101 4822 1...

Page 181: ...ock Diagrams partslist without 4822 code numbers SERVICE MANUAL 3103 785 25301 Block Diagrams completed corrected Minor updates added to several schematic diagrams A V Board Oscillograms added to schematic diagrams Test points added to assembly drawings Partslist updated EN 181 11 LX7500R Revision List ...

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