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LG CM4330, Service Manual

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LG CM4330 Service Manual Download Page 48

1. SDRAM

1

2

3

4

CLK

DATA

ADDRESS

CS

2. SERVO

5

CD-16M

 3-29

WAVEFORMS OF MAJOR CHECK POINT

IC802 Pin38

IC802 Pin53

IC802 Pin35

IC803 Pin1

IC801 Pin62

Summary of Contents for CM4330

Page 1: ...DEL CM4330 CM4330 CMS4330F CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL MODEL CM4330 CM4330 CMS4330F SERVICE MANUAL 3 1 0 2 MARCH 72 0 3 3 0 6 7 N F A O N P Website http biz lgservice com Internal Use Only ...

Page 2: ...CONTENTS SECTION 1 GENERAL SECTION 2 CABINET MAIN CHASSIS SECTION 3 ELECTRICAL SECTION 4 REPLACEMENT PARTS LIST 1 1 ...

Page 3: ...ONTENTS SERVICING PRECAUTIONS 1 3 ESD PRECAUTIONS 1 5 HIDDEN KEY MODE 1 6 SERVICE INFORMATION FOR EEPROM 1 7 PROGRAM DOWNLOAD UPDATE GUIDE 1 8 1 AUDIO PROGRAM 1 8 2 CD PROGRAM 1 9 3 EQ PROGRAM 1 10 SPECIFICATIONS 1 11 1 2 ...

Page 4: ... the eyes Absolutely never permit laser beams to enter the eyes Also NEVER switch ON the power to the laser output part lens etc of the pick up if it is damaged 5 Cleaning the lens surface If there is dust on the lens surface the dust should be cleaned away by using an air bush such as used for camera lens The lens is held by a delicate spring When cleaning the lens surface therefore a cotton swab...

Page 5: ...eplacing a component part first disconnect the power supply lead wire from the unit 2 All equipment measuring instruments and tools must be grounded 3 The workbench should be covered with a conductive sheet and grounded When removing the laser pick up from its conductive bag do not place the pick up on the bag This is because there is the possibility of damage by static electricity 4 To prevent AC...

Page 6: ... damage ESD devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ESD devices 6 Do not remove a replacement ESD device from its protective package until immediately before you are ready to install it Most replacement ESD devices are packaged with leads electrically shorted together by conductive foam aluminum foil or comparable conductive materia...

Page 7: ...the digit of option by SKIP You can edit 0 f by REPEAT or PLAY PAUSE key 5 Bluetooth DUT Front Key STOP RCU Key PROGRAM Bluetooth model only 6 Power Disc Lock On Off CD Function Only Active Front Key STOP RCU Key EQ 7 Amp Clip On Off Front Key STOP RCU Key Mute Amp Clip Mode Change Amp Clip On Amp Clip Off Level Down display 8 Demo ALL Key Lock CM9520 CM8520 Only Front Key STOP RCU Key 9 Demo All ...

Page 8: ...priate position and make changes with remote control skip mode play key Press ENTER key FLD write ok Remote control Fwd skip Front STOP push same timing FLD E2P CLR Completed NAME OPT0 OPT1 OPT2 OPT3 OPT4 OPT5 OPT6 OPT7 OPT8 OPT9 DETECT NEW EEPROM OPTION EDIT SCREEN HEX 09 00 00 02 00 69 80 05 10 00 1 7 SERVICE INFORMATION FOR EEPROM ...

Page 9: ...ad the file to your set Caution When downloading the file you should neither unplug the USB device change to the other function nor power off the device USB device must be unplugged when the downloading process is completed ON VFD DISPLAY SCREEN NO USB Insert USB device at USB function SEARCH FIRMWARE WRITE 00 100 UPDATED POWER OFF AUTOMATICALLY When completed remove USB device 1 8 PROGRAM DOWNLOA...

Page 10: ...e to the USB storage device and disable the security software then download the file to your set Caution When downloading the file you should neither unplug the USB device change to the other function nor power off the device USB device must be unplugged when the downloading process is completed ON VFD DISPLAY SCREEN NO USB Insert USB device at USB function SEARCH FIRMWARE FINISH POWER OFF MANUALL...

Page 11: ...rity software then download the file to your set Caution When downloading the file you should neither unplug the USB device change to the other function nor power off the device USB device must be unplugged when the downloading process is completed ON VFD DISPLAY SCREEN NO USB Insert USB device at USB function READ EQ DOWN FINISH POWER OFF AUTOMATICALLY When completed remove USB device 1 10 ...

Page 12: ...M Tuning Range 87 5 to 108 0 MHz or 87 50 to 108 00 MHz AM Tuning Range 522 to 1 620 kHz 520 to 1 710 kHz or 522 to 1 710 kHz AMPLIFIER Stereo mode 90 W 90 W 4 Ω at 1 kHz THD 10 Surround mode Front 90 W 90 W 4 Ω at 1 kHz THD 10 CD Frequency Response 100 to 20 000 Hz Signal to noise ratio 75 dB Dynamic range 80 dB FRONT SPEAKER Model CMS4330F Type 2 Way 2 Speaker Impedance 4 Ω Rated Input Power 90 ...

Page 13: ...1 12 MEMO ...

Page 14: ...SECTION 2 CABINET MAIN CHASSIS CONTENTS EXPLODED VIEWS 2 3 1 CABINET AND MAIN FRAME SECTION CM4330 2 3 2 MECHANISM DECK SECTION DP 12AM 2 5 3 PACKING ACCESSORY SECTION 2 7 4 SPEAKER SECTION 2 8 2 1 ...

Page 15: ...2 2 MEMO ...

Page 16: ...RONT MAIN 260L 260R 464 464 464 464 464 464 276 262 464 464 464 A44 A46 274 273 265 261 A43 464 464 259 251 A42 CABLE2 H 300 NOTES THE EXCLAMATION POINT WITHIN AN EQUILATERAL TRIANGLE IS INTENDED TO ALERT THE SERVICE PERSONNEL TO THE PRESENCE OF IMPORTANT SAFETY INFORMATION IN SERVICE LITERATURE ...

Page 17: ...2 MECHANISM DECK SECTION DP 12AM A02 439 018 013 017 014 020 016 440 015 015B 015A 435 A01 026 001 002 012 012 037 012A 019 442 442 A03 003 010 MEMO ...

Page 18: ...824 AM Loop Antenna 900 Remote Control 910 Remocon Battery Cover 808 Battery 825 FM Wire Antenna 802 Box 801 Instruction Ass y 803 Packing 803 Packing 804 Bag 3 PACKING ACCESSORY SECTION ...

Page 19: ...A60 4 SPEAKER SECTION 4 1 FRONT SPEAKER CMS4330F ...

Page 20: ...RICAL TROUBLESHOOTING GUIDE 3 27 1 CD FUNCTION 3 27 2 DOUBLE USB FUNCTION OPTIONAL PART 3 28 WAVEFORMS OF MAJOR CHECK POINT 3 29 WIRING DIAGRAM 3 33 BLOCK DIAGRAMS 3 35 1 OVERALL BLOCK DIAGRAM 3 35 2 SMPS BLOCK DIAGRAM 3 37 3 AUDIO PATH BLOCK DIAGRAM 3 39 4 MAIN POWER DIAGRAM 3 41 5 FRONT AMP POWER DIAGRAM 3 43 CIRCUIT DIAGRAMS 3 45 1 SMPS CIRCUIT DIAGRAM 3 45 2 MAIN DSP CIRCUIT DIAGRAM 3 47 3 MAI...

Page 21: ...bleshoot Countermeasure 1 Check if the fuse F901 is open or short circuit 2 Check if the bridge diode BD901 is short circuit by over current with a digital multi meter 3 Check if the NTC thermistor TH901 is normal or open 1 1 3 Service hint Any picture Remark F901 If F901 is not short circuit replace it with a same specifications one TH901 If TH901 is open replace it with a new one BD901 If BD901 ...

Page 22: ...2 D929 1 2 1 Solution Please check and replace D929 on SMPS board 1 2 2 How to troubleshoot Countermeasure 1 Check the Anode Cathod Voltage of D929 with a digital multi meter it is normally 0 2 0 3 V If it doesn t have any voltage it s destroyed Replace it with a new one 1 2 3 Service hint Any picture Remark SMPS schematic diagram ...

Page 23: ... Countermeasure 1 Check 3 7 V to CN101 and CN105 in standby mode If there is no 3 7 V check the SMPS 2 Check 5 6 V 12 V F F and PVDD when power on the set If the set doesn t work regardless of what the KEY1 changes high to low while pressing the power button X100 and X101 work normally but if you can not power on the set replace IC101 with a new one on the MAIN board 2 1 3 Service hint Any picture...

Page 24: ... output from SMPS to VFD via the MAIN board 2 Check if IC102 outputs VFD_D0 VFD_CLK and VFD_STB to the FRONT board 3 Check the GR signal pulse signal of IC501 on the FRONT board Check the SG signal pulse signal of IC501 on the FRONT board If the GR and SG signal isn t output replace IC501 with a new one If the GR and SG signal is output replace DIG502 with a new one 3 1 3 Service hint Any picture ...

Page 25: ... SPDO signal from pin16 of IC302 If no signal check 3 3 V RF and X301 2 Check the SPIN SPIN from IC301 to CN303 for driving SPINDLE motor It is about 3 6 Vp p If no signal check 1 8 V and 5 V for IC301 3 Check if the FFC cable is solidly connected between CN303 and MD 4 Check the MD If the spindle motor is sort circuit or has any trouble it can not rotate CD discs Please check the function after c...

Page 26: ...of IC302 If no signal check 3 3 V RF and X301 2 Check the SLED SLED from IC301 to CN303 for driving SPINDLE motor It is about 2 9 Vp p If no signal check 1 8 V and 5 V for IC301 3 Check if the FFC cable is solidly connected between CN303 and MD 4 Check the MD If the sled motor is sort circuit or has any trouble it can not move the pickup module Please check the function after changing another MD 4...

Page 27: ...OPEN MOT_CLOSE signals from Pin104 105 of IC801 to IC301 If no signal check 1 8 V 5 V to IC301 2 Check LOAD from IC301 to CN303 for driving the tray open close motor It is about 3 85 Vp p If no signal check 5 V to IC301 If it has any trouble replace it with a new one 3 Check if the FFC cable is solidly connected between CN303 and MD 4 Check the MD If the tray motor is sort circuit or has any troub...

Page 28: ...r beam be positioned in the center of a track on CD disc 1 Check the TRD signal from Pin14 of IC302 If no signal check 3 3 V RF and X301 2 Check TR TR from IC301 to CN301 for driving the tracking actuator If no signal check 1 8 V and 5 V for IC301 3 Check if the FFC cable is solidly connected between CN301 and MD 4 Check the MD If the pickup module has any trouble it can not move the laser beam on...

Page 29: ...beam keep a regular interval with the surface of a CD disc 1 Check the FOD signal from Pin13 of IC302 If no signal check 3 3 V RF and X301 2 Check F F from IC301 to CN301 for driving the focusing actuator If no signal check 1 8 V and 5 V for IC301 3 Check if the FFC cable is solidly connected between CN301 and MD 4 Check the MD If the pickup module has any trouble it can not move the laser beam on...

Page 30: ...2S signal flow I2S audio signal Interface DAC_BCK IC801_Pin85 IC601_Pin23 DAC_LRCK IC801_Pin86 IC601_Pin22 44 1 kHz DAC_DATA IC801_Pin81 IC601_Pin24 DAC_MCLK IC801_Pin84 IC401_Pin44 If there is any trouble check the power for each IC The power is normal but if the signal waveform to the IC is distorted or no signal replace it with a new one 3 Check if Digital audio AMP block on Item 5 2 is normal ...

Page 31: ... to I2S audio signal interface on Item 5 1 2 Check PVDD If PVDD is abnormal check the SMPS 3 Check 12 V for driving the gate of AMP IC a All the powers are normal but if 12 V is low there is possible for AMP IC to be damaged b Remove L707 L708 L709 and L712 one by one When removed a inductance if 12 V is recovered the IC connected to it was damaged c Replace the IC with a new one 4 Check the imped...

Page 32: ... USB D from MAIN board to USB board a Check USB_DM DP signals to IC801 pin117 118 b Check USB signals to CN502 pin1 2 4 5 If there is any trouble check the power for each IC The power is normal but if the signal waveform to the IC is distorted or no signal replace it with a new one 3 Check if Digital audio AMP block on item 5 2 is normal 5 3 3 Service hint Any picture Remark kT G XM G GjuXWY kRG G...

Page 33: ...eck the following I2S signal flow from IC801 to IC602 Refer to Item 5 1 If there is any trouble check the power for each IC The power is normal but if the signal waveform to the IC is distorted or no signal replace it with a new one 5 Check if the digital audio AMP block is okay Refer to Digital Audio AMP guide on Item 5 2 If AMP is damaged replace it with a new one 5 4 3 Service hint Any picture ...

Page 34: ...1 3 Check if ADC_DATA is entered from IC401 to IC801 If no signal check 5 V 3 3 V ADC for IC401 If is NG replace it with a new one 4 Check the following I2S audio signal flow from IC801 to IC601 Refer to Item 5 1 If there is any trouble check the power for each IC The power is normal but if the signal waveform to the IC is distorted or no signal replace it with a new one 5 Check if the digital aud...

Page 35: ... V supplied to IC901 Pin7 D904 normal YES NO Check or replace D904 Is there about 2 5 V at IC903 Pin1 Replace IC903 YES NO D923 normal Replace D923 YES NO D921 normal Replace D921 YES NO D924 normal Replace D924 YES NO D925 normal Replace D925 YES NO D922 normal Replace D922 YES NO Power line of Main PCB is short NO 3 16 AUDIO ELECTRICAL TROUBLESHOOTIHG GUIDE ...

Page 36: ...V 18 V supplied to IC902 Pin7 D905 normal YES NO Check or replace D905 Check P CTRL H signal from μ COM Check PC902 Q902 normal Replace Q902 Check or replace Q910 YES NO D929 normal Replace D929 YES NO Is there about 2 5 V at IC904 Pin1 Replace IC904 YES NO Q910 base H Power line of Main PCB is short NO NO 3 17 AUDIO ELECTRICAL TROUBLESHOOTIHG GUIDE ...

Page 37: ...13 V Supplied to Q953 base Check P CTRL H signal from μ COM YES NO Check or replace Q953 No 5 V Is Vcc 6 V supplied to IC951 Pin1 Check or replace D923 YES YES NO Check IC951 Pin4 H Check P CTRL H signal from μ COM YES NO Check or replace IC951 3 18 AUDIO ELECTRICAL TROUBLESHOOTIHG GUIDE ...

Page 38: ...No VFD D925 normal Check or replace D925 YES YES NO ZD951 normal Q951 normal Check or replace ZD951 Check or replace Q951 YES YES NO NO Check or replace VFD 3 19 AUDIO ELECTRICAL TROUBLESHOOTIHG GUIDE ...

Page 39: ...eck if IC101_Pin49 and IC101_Pin36 59 are 3 7 V YES Check D102 D103 Replace D102 D103 NO NO X101 32 768 kHz X102 9 8304 MHz Check the operation OK YES YES YES YES YES OK 3 IC102 N24C16 CHECK CHECK IC102 PIN Refer to μ COM troubleshooting NO Pin47 DATA Pin48 CLK Replace μ COM NO YES Check μ COM voltage 3 7 VA Check μ COM YES OK OK YES YES NO 3 20 AUDIO ELECTRICAL TROUBLESHOOTIHG GUIDE ...

Page 40: ...N501 connection YES Check each Pin voltage YES Check IC501 ET16315 voltage Pin30 VKK 25 8 V Pin13 43 3 4 V YES Check IC102 IC501 data communication Pin3 Pin9 STB Pin2 Pin7 DATA Pin4 Pin8 CLK FLD light on OK NO If voltage is not 3 4 VA check input and output of D502 and D503 YES Check IC501 YES NO Replace IC501 NO Check input data IC102 Pin2 3 4 YES OK Check IC102 YES NO Replace IC102 Check output ...

Page 41: ...hooting Check X602 19 2 MHz operation NO Replace X602 19 2 MHz Check X602 19 2 MHz OK YES NO Check IC601 Pin21 input Check IC101 LC87FC096AVU Pin41 PWM RESET Pin45 PWM SDA Pin46 PWM SCL output NO Replace R660 R659 R658 Check line resistor output RST R660 SCL R659 SDA R658 NO YES YES YES YES YES YES OK YES A 3 22 AUDIO ELECTRICAL TROUBLESHOOTIHG GUIDE ...

Page 42: ...eck CD Assy communication Pin4 5 6 OK NO NO Check each line resistor output Check IC601 PS9854 input data Check PWM modulator output FL Pin26 27 FR Pin28 29 and others NO Replace IC601 PS9854 Check IC601 PS9854 NO OK YES YES YES YES YES YES A 3 23 AUDIO ELECTRICAL TROUBLESHOOTIHG GUIDE ...

Page 43: ...C701 IC702 Pin29 30 31 36 37 38 input voltage YES Check each line resistor output voltage NO Check IC701 IC702 Pin2 12 V input Check IC701 IC702 Pin27 28 32 35 39 40 Replace the coil NO Check output line coil Check PWM Modulator input IC701 Pin5 6 14 15 IC702 Pin5 6 YES YES YES YES OK 3 24 AUDIO ELECTRICAL TROUBLESHOOTIHG GUIDE ...

Page 44: ...6 Pin9 output data YES YES Check IC401 Pin5 5 V Pin46 3 3 V Check CN105 Pin7 5 V Pin9 10 3 3 V NO NO Check IC801 BX8805 input data YES Check IC401 Pin5 5 V Pin6 High Pin46 3 3 V Check IC401 Pin41 SDOUT Pin42 SLCK Pin43 LRCK Pin44 MCLK NO NO IC501 MLC9800 output data Replace IC401 OK YES 3 25 AUDIO ELECTRICAL TROUBLESHOOTIHG GUIDE ...

Page 45: ...ON CHECK Check tuner module voltage Pin4 3 3 V NO Check tuner module TU100 operation YES YES Check IC102 Pin21 22 23 24 25 data in output Check tuner module data NO YES Refer to function check 3 26 AUDIO ELECTRICAL TROUBLESHOOTIHG GUIDE ...

Page 46: ...heck the signal 16 0344 MHz of IC302 Pin31 NO YES Check IC801 input output and control line NO YES YES Check loading motor NO IM driving Focus and tracking is ok NO Focus tracking sled signal is ok NO Check IC301 Motor drive IC NO Is the PD CN301 Pin22 about 190 mV YES Check Vcc of IC302 Check Cristal X301 NO Replace Cristal X301 Replace IC801 Check IC301 YES 1 CD FUNCTION Check IM pick up NO 3 27...

Page 47: ...in usb device Check CN502 NO NO YES Display READ YES Display NO FILE YES Check usb jack JK501 JK502 NO Replace IC801 NO Check IC801 Pin116 117 Check usb audio file in usb device MP3 WMA file is playable YES 2 DOUBLE USB FUNCTION OPTIONAL PART 3 28 CDP ELECTRICAL TROUBLESHOOTIHG GUIDE ...

Page 48: ...1 SDRAM 1 2 3 4 CLK DATA ADDRESS CS 2 SERVO 5 CD 16M 3 29 WAVEFORMS OF MAJOR CHECK POINT IC802 Pin38 IC802 Pin53 IC802 Pin35 IC803 Pin1 IC801 Pin62 ...

Page 49: ...FE TE FOD RF 6 7 8 9 3 AUDIO PATH 10 11 12 CD_BCK CD_LRCK CD_DATA 3 30 IC302 Pin61 IC302 Pin62 IC302 Pin63 IC302 Pin13 IC801 Pin101 IC801 Pin103 IC801 Pin102 ...

Page 50: ...13 14 16 15 DAC_MCLK DAC_BCK DAC_LRCK DAC_DATA 4 USB 17 USB_5V D D 18 3 31 IC801 Pin84 IC801 Pin85 IC801 Pin86 IC801 Pin81 IC801 Pin117 IC801 Pin118 ...

Page 51: ...3 32 MEMO ...

Page 52: ...3 33 3 34 23P 9P SPK TERMINAL TUNER MODULE 1 CD MD MAIN PCB 16P FRONT PCB SMPS PCB 15P AUX JACK Power cord 8P Harness FFC BT 8P WIRING DIAGRAM ...

Page 53: ...C601 TAS5548 PWM FL FR F L AMP_PDN AMP_OTW SD CLIP AMP PROTECT F R IC701 AMP IC TAS5612LA SW IC702 AMP IC TAS5612LA 150Wx2 200Wx1 SW PWM_RST DAC_DATA DAC BCK LRCK SPI MICOM_CS DO DI CLK MAIN_RESET REMOCON KEY IC102 EEPROM CLK DATA VFD VFD_STB CLK DO IC501 ABOV TUNER TUNER_L R TUNER_RST CE DAT CLK A A SPEANA B ADC_RST CLK DAT B ADC_RST CLK DAT IC802 SDRAM M12L64164A 7TG2M IC803 FLASH W25Q80BVSSIG I...

Page 54: ...Block Main SMPS IC Block T R A N S Snubber Block م م Photo coupler Photo coupler Photo coupler FL FL Vkk On Off 5V 5V LDO 12V 12V Regulation Block 3 7VA P CTL On Off On Off م م م م م م م م AMP SMPS IC With FET Block م F U S E Y Cap Y Cap م T R A N S SMPS م 5 6VA CN901 Feedback Feedback ...

Page 55: ...S5548 TAS5612LA FR FL Woofer Tuner Auxin ADC CS5346 SLAVE A_AUX BX8805 128 PIN DAC_DATA DAC_LRCK DAC_BCK A_TUNER DAC_MCLK 12 288MHZ DAC_LRCK DAC_BCK 74AHC244 TAS5612LA 150Wx2 200Wx1 BU9543KV CD_BCK CD_LRCK CD_DATA ADC_DATA BCK LRCK DATA 244_CTRL1 CTRL2 From MICOM Optional ...

Page 56: ...TRL PWR_SENSE RESET EEPROM 3 3V BU9543KV S3053 SDRAM FLASH CS5346 5VA VCC15 VCC33 VCC33 VCC33 VCC33 VCC33 3 7VA TUNER VCC33 PICKUP BX8805 VCC33 VCC12 LM1117 1 2V TJ3965D KIA7027AF TAS5548 VCC33 VCC18 5V VCC33 5V VCC33 74HCT244 ADD BT module VCC33 ...

Page 57: ...5 FRONT AMP POWER DIAGRAM 3 43 3 44 RCU VFD TAS5612LA USB1 USB_5V LM37102 ADJ 5 6VA FROM_MAIN to Front 3 7VA VKK FL 12V FROM_SMPS to AMP PVDD MC3401 FAN 12V LED USB_5V USB2 Optional Part ...

Page 58: ...USED THIS WAY IMPLEMENTATION OF THE LATEST SAFETY AND PERFORMANCE IMPROVEMENT CHANGES INTO THE SET IS NOT DELAYED UNTIL THE NEW SERVICE LITERATURE IS PRINTED NOTE 1 Shaded parts are critical for safety Replace only with specified part number 2 Voltages are DC measured with a digital voltmeter during Play mode A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T CAUTION Danger if fuse...

Page 59: ...3 47 3 48 2 MAIN DSP CIRCUIT DIAGRAM 1 3 11 12 10 5 15 13 16 14 2 4 17 18 WAVEFORM NUMBER A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T DSP EAX64991602_0 1 0_Main_SD_1 2013 02 04 ...

Page 60: ...3 49 3 50 3 MAIN MICOM ADC CIRCUIT DIAGRAM A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T MICOM ADC EAX64991602_0 1 0_Main_SD_2 2013 02 04 ...

Page 61: ...3 51 3 52 4 MAIN AMP CIRCUIT DIAGRAM A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T AMP EAX64991602_0 1 0_Main_SD_3 2013 02 04 ...

Page 62: ...3 53 3 54 5 MAIN RF SERVO CIRCUIT DIAGRAM 8 9 7 6 WAVEFORM NUMBER A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T RF SERVO EAX64991602_0 1 0_Main_SD_4 2013 02 04 ...

Page 63: ...3 55 3 56 6 FRONT CIRCUIT DIAGRAM A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T FRONT EAX64991401_0 1 0_FRONT_SD 2013 01 08 ...

Page 64: ...3 0 001 Pick Up 3 7VA 7 8 3 3 0 003 CS5346 3 7VA 15 3 3 0 006 BX8805 3 3V 3 3V LDO LM1117_1 2V 52 52 1 2 0 109 0 109 3 3V Diode Triode 6 6 1 5 0 011 0 011 BU9543KV 5VA 5V 36 36 5 V CS5346 5V Normal 110 5 S3053 Peak 400 5 6VA 5 6V LDO 0IPMGKE018A 72 80 5 0 043 0 043 USB 0 048 0 048 Vkk 26V 2 2 26 MC3401 F 20 2V 140 140 20 2 VFD 12V 12V 88 288 12 8 Blue LED 12V 90 12 FAN 12V 110 12 TAS5612LA PVDD 26...

Page 65: ...3 59 3 60 PRINTED CIRCUIT BOARD DIAGRAMS 1 SMPS P C BOARD TOP VIEW BOTTOM VIEW NOTE Warning Parts that are critical with respect to risk of fire or electrical shock ...

Page 66: ...3 61 3 62 2 MAIN P C BOARD TOP VIEW BOTTOM VIEW ...

Page 67: ...3 63 3 64 3 FRONT P C BOARD TOP VIEW BOTTOM VIEW ...

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