LG CM9730 Скачать руководство пользователя страница 22 | Manualshive

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3-5

ONE POINT REPAIR GUIDE

3. VFD IS NOT DISPLAYED WHEN POWER ON THE SET

When power on the set, any icons or characters on VFD are not displayed.

3-1. VFD (DIG301)

3-1-1. Solution

Please check and replace DIG301 on FRONT board.

3-1-2. How to troubleshoot (Countermeasure)

1) Check if 32 V, FL+ and FL- are output from SMPS to VFD via the MAIN board.
2) Check if the IC101 outputs VFD_RST, VFD_CLK, VFD_STB and VFD_STB to the FRONT board.
3) Check if the VFD grid current amplifier circuit (Q301, Q303, Q304) on the FRONT board.
Check the drive signal to the transistor’s base.

If the control signals from VFD (TP302, TP303, TP304) isn’t output, replace VFD with a new one.

If the transistor doesn’t work, replace it.

3-1-3. Service hint (Any picture / Remark)

kpnZWXG} mk

{wZWYSG
{wZWZSG

{wZW[

xZWX

xZW[

xZWZ

yZY^O{wZW[P
xZWXGl

G

ZW} T

jGGSGGGGG
GU

GGGGU

< Waveform of the grid current driver >

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Содержание CM9730

Страница 1: ...L MODEL CM9730 CM9730 NS9730F CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL MODEL CM9730 CM9730 NS9730F SERVICE MANUAL 3 1 0 2 JANUARY 98 2 4 1 9 5 7 N F A O N P Website http biz lgservice com Internal Use Only ...

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

Страница 3: ...SECTION 1 SUMMARY CONTENTS SERVICING PRECAUTIONS 1 3 ESD PRECAUTIONS 1 5 HIDDEN KEY MODE 1 6 SERVICE INFORMATION FOR EEPROM 1 7 PROGRAM UPGRADE GUIDE 1 8 SPECIFICATIONS 1 9 1 2 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 8: ...P key FLD write ok Remote control Front STOP push same timing FLD E2P CLR Completed NAME OP0 OP1 OP2 OP3 OP4 OP5 OP6 OP7 OP8 OP9 DETECT MODEL SUFFIX A CM9730 DB DDEULLK B CM9730 FB DARELLS C CM9730 FB DGHALLS NEW EEPROM OPTION EDIT SCREEN HEX A 05 00 00 00 00 81 80 50 00 01 HEX B 05 00 00 00 00 01 80 42 00 01 HEX C 05 00 00 00 00 01 80 46 00 01 1 7 SERVICE INFORMATION FOR EEPROM ...

Страница 9: ...n 4 VFD Display 1 MICOM WRITE XX 2 Mpeg FIRMWARE 3 EQ EQ DOWN 5 Complete Update 1 When the Set is turned off automatically after display UPDATED remove the USB storage 2 Unplugged the power cord after display FINISHED then remove the USB storage Upgrade required time Upgrade required time is determined depending on the Writing time considering the Download stability MICOM Mpeg EQ Upgrade time abou...

Страница 10: ... 2 Vrms 3 5 mm stereo jack TUNER FM 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 CD Frequency Response 40 to 20 000 Hz Signal to noise ratio 75 dB Dynamic range 80 dB AMPLIFIER Output 575 W x 4 8 Ω at 1 kHz THD 25 FRONT SPEAKER Type Low channel 1 Way 1 speaker High channel 2 way 2 speaker Impedance 8 Ω Rated Input Power...

Страница 11: ...MEMO 1 10 ...

Страница 12: ...SECTION 2 CABINET MAIN CHASSIS CONTENTS EXPLODED VIEWS 2 3 1 CABINET AND MAIN FRAME SECTION CM9730 2 3 2 MECHANISM DECK SECTION DP17T 2 5 3 WOOFER SECTION NS9730F 2 7 4 PACKING ACCESSORY SECTION 2 9 2 1 ...

Страница 13: ...MEMO 2 2 ...

Страница 14: ...462 462 464 464 464 462 464 464 464 271 A46 281 280 464 281 464 464 A47 273 282 A41 A44A A44B A44C 261 262 462 462 VOLUME MIC B T TUNER USB MAIN SMPS MULTI JOG VFD CABLE9 CABLE4 CABLE5 CABLE6 CABLE7 CABLE1 CABLE2 CABLE3 CABLE8 EXPLODED VIEWS 1 CABINET AND MAIN FRAME SECTION CM9730 NOTES THE EXCLAMATION POINT WITHIN AN EQUILATERAL TRIANGLE IS INTENDED TO ALERT THE SERVICE PERSONNEL TO THE PRESENCE ...

Страница 15: ...1026 1439 A001 1002 1005 1001 1049 1437 1437 1024 1024 1030 1024 1043 1045 A005 A006 1016 1013 1015 1020 1024 1003 1439 1018 1019 1011 1012 1437 1004 2 MECHANISM DECK SECTION DP17T ...

Страница 16: ...7 667 667 665 671 672 672 652 664 671 650 651 651 652 670 LED Signal Cable 3 WOOFER SECTION NS9730F 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 ...

Страница 17: ...801 Owner s Manual 804 Bag 802 Box 808 Battery AAA 825 FM Wire Antenna 803 Packing 803 Packing AAA 4 PACKING ACCESSORY SECTION MEMO 900 Remote Control ...

Страница 18: ...RCUIT DIAGRAM 3 49 2 SMPS 2 CIRCUIT DIAGRAM 3 51 3 MAIN MICOM CIRCUIT DIAGRAM 3 53 4 MAIN PWM CIRCUIT DIAGRAM 3 55 5 MAIN AMP CIRCUIT DIAGRAM 3 57 6 MAIN DSP CIRCUIT DIAGRAM 3 59 7 MAIN RF SERVO CIRCUIT DIAGRAM 3 61 8 MAIN ADC CIRCUIT DIAGRAM 3 63 9 VFD CIRCUIT DIAGRAM 3 65 10 MAIN VOLUME CIRCUIT DIAGRAM 3 67 11 MIC CIRCUIT DIAGRAM 3 69 12 MULTI JOG VOLUME CIRCUIT DIAGRAM 3 71 13 USB CIRCUIT DIAGR...

Страница 19: ...roubleshoot 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 TH900 TH902 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 TH900 TH902 If TH900 TH902 is open replace it with a ne...

Страница 20: ...Check if the fuse F901 is open or short circuit 2 Check the Drain Source or Drain Gate Gate Source Resistance of Q911 Q914 with a digital multi meter If it is short condition it s destroyed Replace it with a new one Please replace 4 FET at the same time although several FET is OK 1 2 3 Service hint Any picture Remark F911 If F911 is not short circuit replace it with a same specifications one Q911 ...

Страница 21: ...2 and 3 7 VA IC104 in standby mode If there is no 5 6 VA check the SMPS and if doesn t appear 3 7 VA check IC104 2 Check 5 6 VA 12 V FL FL an 32 V when power on the set If the set doesn t work regardless of what the KEY2 changes high to low while pressing the power button X100 and X101 work normally but if you can not power on the set replace the IC101 with a new one on the MAIN board 2 1 3 Servic...

Страница 22: ... board 2 Check if the IC101 outputs VFD_RST VFD_CLK VFD_STB and VFD_STB to the FRONT board 3 Check if the VFD grid current amplifier circuit Q301 Q303 Q304 on the FRONT board Check the drive signal to the transistor s base If the control signals from VFD TP302 TP303 TP304 isn t output replace VFD with a new one If the transistor doesn t work replace it 3 1 3 Service hint Any picture Remark kpnZWXG...

Страница 23: ...heck Voltage of IC505 pin2 on MAIN board If IC505 pin2 about 4 9 V D501 Input 5 6 VA doesn t come out check 5 6 VA from SMPS board 2 If IC505 pin2 about 4 9 V is normal check the PWR_CTRL IC505 pin1 is high about 3 3 V If PWR_CTRL isn t high check pin63 of IC101 R149 R503 3 If PWR_CTRL is high check R592 R593 and if there s no defective component then replace IC505 4 If 3 3 V VCC33 is normal check...

Страница 24: ...ce X501 on MAIN board 4 2 2 How to troubleshoot Countermeasure 1 If 3 3 V 1 2 V is normal check Reset High of IC501 pin153 on MAIN board If MAIN_RESET isn t high check MICOM IC101 pin59 2 If MAIN_RESET is high check the soldering status of 12 MHz crystal X501 3 If the crystal X501 doesn t oscillate check R541 R542 C517 C518 around crystal X501 If there s no defective component then replace X501 4 ...

Страница 25: ...rd 4 3 2 How to troubleshoot Countermeasure 1 If the crystal X501 does oscillate check serial flash IC503 on MAIN board Check pin8 VCC pin6 CLK pin1 CS pin2 DO pin5 DI of below waveform 2 If pin1 2 5 6 8 doesn t come out check damping resistor R511 R513 R514 R515 of IC503 If damping resistor of IC503 is OK then replace IC503 it need to download program 3 After change IC503 if It is still not below...

Страница 26: ...and replace IC502 on MAIN board 4 4 2 How to troubleshoot Countermeasure 1 Check below waveform soldering status of SDRAM IC502 on MAIN board If pin17 CAS pin18 RAS pin19 CS pin38 CLK pin29 address pin2 DQ doesn t come out check damping resistor R508 R506 R504 R507 2 If resistor is OK then replace IC502 SDRAM 3 After change IC502 if It is still not below waveform check IC501 DSP IC 4 4 3 Service h...

Страница 27: ...ase check and replace IC501 on MAIN board 4 5 2 How to troubleshoot Countermeasure 1 After check them by previous pages about NO Booting if the set is still no booting Check soldering status of IC501 Check boot strap option R598 R594 R597 of IC501 DSP IC 2 If below bootstrap waveform doesn t come out then replace IC501 DSP IC 4 5 3 Service hint Any picture Remark R594 PGPB12 Yellow R598 PAD19 Gree...

Страница 28: ... Check the SPDO signal from Pin16 of IC407 If no signal check 3 3 V RF and X402 2 Check the SP SP from IC408 to CN405 for driving SPINDLE motor It is about 3 6 Vp p If no signal check 1 8 V and 5 V for IC408 3 Check if the FFC cable is solidly connected between CN405 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 a...

Страница 29: ...e SLDO signal from Pin15 of IC407 If no signal check 3 3 V RF and X402 2 Check the SLED SLED from IC408 to CN405 for driving SPINDLE motor It is about 2 9 Vp p If no signal check 1 8 V and 5 V for IC408 3 Check if the FFC cable is solidly connected between CN405 and MD 4 Check the MD If the sled motor is sort circuit or has any trouble it can not move the pick up module Please check the function a...

Страница 30: ...o IC408 If no signal check 1 8 V 5 V to IC408 2 Check LOAD from IC408 to CN405 for driving the tray open close motor It is about 3 85 Vp p If no signal check 5 V to IC408 If it has any trouble replace it with a new one 3 Check if the FFC cable is solidly connected between CN405 and MD 4 Check the MD If the tray motor is sort circuit or has any trouble it can not open or close the tray Please check...

Страница 31: ... be positioned in the center of a track on CD disc 1 Check the TRD signal from Pin14 of IC407 If no signal check 3 3 V RF and X402 2 Check T T from IC408 to CN404 for driving the tracking actuator If no signal check 1 8 V and 5 V for IC408 3 Check if the FFC cable is solidly connected between CN404 and MD 4 Check the MD If the pick up module has any trouble it can not move the laser beam on the le...

Страница 32: ...p a regular interval with the surface of a CD disc 1 Check the FOD signal from Pin13 of IC407 If no signal check 3 3 V RF and X402 2 Check F F from IC408 to CN404 for driving the focusing actuator If no signal check 1 8 V and 5 V for IC408 3 Check if the FFC cable is solidly connected between CN404 and MD 4 Check the MD If the pick up module has any trouble it can not move the laser beam on the to...

Страница 33: ...S audio signal Interface DAC_BCK IC501_pin4 IC600_pin4 DAC_LRCK IC501_pin5 IC600_pin5 44 1 kHz DAC_DATA IC501_pin85 IC600_pin6 9 DAC_MCLK IC501_pin3 IC501_pin82 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 6 1 3 Service hint Any picture Remark j k G...

Страница 34: ...Check USB D from main board to USB board a Check USB_HUB_DN DP signals to IC501 pin16 18 b Check USB1 2_DN DP signals from IC501 to CN502 pin1 2 9 10 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 6 2 3 Service hint Any picture Remark j k GkzwG t sjZ ...

Страница 35: ...G replace it a new one 4 Check the following I2S signal flow from IC501 to IC600 Refer to Item 6 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 If AMP is damaged replace it with a new one 6 3 3 Service hi...

Страница 36: ... to IC501 If no signal check 5 V 3 3 V ADC for IC202 If is NG replace it a new one 6 Check the following I2S signal flow from IC501 to IC600 Refer to Item 6 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 7 Check if the digital audio AMP block is okay Refer to Digital Audio AMP guide ...

Страница 37: ... if ADC_DATA is entered from IC202 to IC501 If no signal check 5 V 3 3 V ADC for IC202 If is NG replace it a new one 4 Check the following I2S audio signal flow from IC501 to IC600 Refer to Item 6 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 i...

Страница 38: ...new one if it has a problem 4 Check if MIC_BCK MIC_MLCK MIC_LRCK is entered from IC501 to IC508 Check if MIC_DATA is entered from Pin9 of IC508 to Pin7 of IC600 If no signal check 5 V 3 3 V for IC508 If it is abnormal change replace it a new one 5 Check the following I2S signal flow from IC508 to IC600 If there is any trouble check the power for each IC If the signals are abnormal replace it a new...

Страница 39: ... 7 of CN504 to Pin169 170 to IC501 DSP 3 Check if MIC_BCK MIC_MLCK MIC_O_DATA is entered from IC501 to IC600 If no signal check VCC12 1 2 V for IC501 If it is abnormal change replace it a new one 4 Check the following I2S signal flow from IC501 to IC600 If there is any trouble check the power for each IC If the signals are abnormal replace it a new one 5 Check if the digital audio AMP block is oka...

Страница 40: ...shoot Countermeasure 1 Please check if this system is on bass blast mode C RL and RR make sound only on bass blast mode 2 Check the IC700 IC706 IC708 on your eyes 3 Check the audio signal output check Pin13 of IC700 IC706 IC708 First check the PWM Data input Pin3 pin of IC700 IC706 IC708 4 If the audio signal output has no output try to change IC which has no output 5 Lastly check Speaker Terminal...

Страница 41: ...tom occurs when DC protection is detected Main reasons are like below When Some of AMP FETs dead 8 1 3 Service hint Any picture Remark AMP FET IRF6775 Notice for FET service In case of RF6775 Metal case FET Drain has electric potential So be careful when you deal with it You can see FET after removing heatsink Notice for Service Before repair Main Assy you need to discharge SMPS After then open th...

Страница 42: ...701 PWM signal Normal Supply voltage and signal Check AMP IC Poor supply voltage Check SMPS Assy Poor signal Check PWM IC 2 Check CSD of FET driver IC IRS2092 EAN60778301 CSD has about 5 V on normal state When AMP has problem CSD is LOW state or keep change LOW to HIGH 9 1 3 Service hint Any picture Remark ju WWGwpuGXSYGaGT W wpuGZS GaGwnuk wpuG S GaGR W ju WWGwpuGXSYGaGR W wpuGZS GaGwnuk wpuG S G...

Страница 43: ...lace F901 same fuse Check or replace D962 D963 D960 D961 normal Replace BD901 Check P_CTL from μ com Check or replace IC951 Or check line of MAIN PCB is short or not Check or replace D960 D961 NO NO NO NO NO F901 normal Is the VCC 13 VA supplied to IC951 Pin1 Is the VCC 11 V 25 V supplied to IC901 Pin4 BD901 normal Is there H signal at IC951 Pin4 ...

Страница 44: ...RONT PCB is short or not NO NO NO R968 normal ZD951 ZD952 normal D959 D957 normal No 5 V Check or replace R965 D959 Check P_CTL from μ com Check or replace Q953 Q957 Or check line of MAIN PCB is short or not Check or replace Q951 Is the VCC 7 VA supplied to IC953 Pin2 Is there H signal at Q953 Base NO NO NO R965 normal YES YES YES ...

Страница 45: ...LESHOOTING GUIDE No output AMP gate line Check or replace R952 Check or replace D951 D952 Check and replace IC952 Or check line of MAIN PCB is short or not Is the VCC 13 VA supplied to IC952 Pin1 3 NO NO R952 normal YES YES ...

Страница 46: ...4 Q907 Q910 Check or replace IC902 and Check Q911 Q914 gate Pin2 Components Resistors Diodes Q911 Q914 OK Replace Q911 Q914 Check or replace D953 D956 Check line of MAIN PCB is short or not Is the C904 C905 voltage about 380 V F911 normal PFC P CTL OK AMP P CTL OK Is the VCC 12V supplied to IC904 Pin16 Is the VCC 12V supplied to IC902 Pin8 NO YES NO NO NO NO YES NO YES YES YES YES NO NO ...

Страница 47: ...303 304 grid voltage OK Replace LED LD3V09 LD3V24 Check MAIN board HELLO Display on FLD OK Volume LED LD3V31 LD3V40 LD3V42 LD3V49 Turn on When turn the volume count is change NO NO NO NO NO NO NO NO NO NO CN301 cable connection OK Q301 Q303 Q304 grid voltage OK CN3V01 Pin31 32 signal OK CN301 Pin9 10 11 data signal OK CN301 pin1 3 5 power OK CN3V01 Pin8 9 12 V OK YES YES YES YES YES YES YES YES YE...

Страница 48: ...D LD3V31 LD3V49 LD3J31 LD3J49 Check MAIN board HELLO Display on FLD OK Volume LED LD3V31 LD3V49 Jog LED LD3J31 LD3J49 Turn on When turn the volume count is change NO NO NO NO NO NO NO NO NO NO CN301 cable connection OK CN3V01 Pin8 9 CN3J01 Pin10 11 12 V OK CN3V01 Pin12 13 signal OK CN301 Pin9 10 11 data signal OK CN301 Pin1 3 5 power OK Check CN3V01 Pin5 6 CN3J01 Pin15 16 I2C data OK YES YES YES Y...

Страница 49: ...eck Loading motor Check IC501 OPU driving Focusing Tracking OK Check OPU Pick up module Is motor impedance about 12 Ω IC407 Pin34 35 36 I2S output signal OK Can disc insert IC501 Pin95 96 97 I2S input signal OK Disc reading OK NO NO NO NO NO NO NO NO NO IC407 RF Servo signal OK Focusing Tracking Sled signal OK LOAD OK YES YES YES YES YES NO YES YES YES A 3 NO AUDIO PART ...

Страница 50: ...B_D output signal OK NO NO IC3U01 USB power 5 VU OK YES A A When insert USB IC504 Pin1 2 3 4 USB_D signal OK NO YES YES YES YES YES AUX Check audio cable Replace IC202 Check IC501 NO NO NO IC202 Pin7 8 AUX input signal OK IC202 Pin41 ADC data output signal OK IC202 Pin42 43 44 I2S input signal OK ...

Страница 51: ...T IN input signal OK IC202 Pin41 ADC data output signal OK IC202 Pin42 43 44 I2S input signal OK TUNER Check IC501 Replace IC202 Check 3 3 V of TU101 IC202 Pin42 43 44 I2S input signal OK IC202 Pin41 ADC data output signal OK NO NO NO TU101 TUNER_L R output signal OK YES A IC202 Pin23 24 TUNER_L R input signal OK NO YES YES YES ...

Страница 52: ...5 ELECTRICAL TROUBLESHOOTING GUIDE B A YES YES YES Check IC501 Replace IC600 Check IC501 NO NO NO IC501 Pin82 83 84 I2S data output signal OK IC600 PWM data output signal OK IC501 pin 85 I2S data signal OK ...

Страница 53: ...722 Q723 Q724 IC600 Pin28 29 35 36 FL FR signal OK Pin13 of IC700 IC701 IC704 IC705 FL FR audio signal OK IC601 IC602 FL FR audio signal OK 40 V 28 V 5 V power voltage OK Q700 Q701 Q702 Q703 Q714 Q716 Q719 Q720 OK IC600 Pin26 27 31 32 SWL SWR signal OK Pin13 of IC702 IC703 IC706 IC708 SWL SWR audio signal OK IC603 IC604 SWL SWR audio signal OK 40 V 28 V 5 V power voltage OK Q704 Q705 Q708 Q709 Q72...

Страница 54: ...D USB play Check Woofer SPK Replace IC605 Check SMPS board CN803 CN804 Pin1 3 3 V OK NO NO Check IC605 4 NO LIGHTING WOOFER SPEAKER YES YES Check SMPS board Check IC501 CN803 CN804 Pin8 12 V OK CN803 CN804 Pin3 7 I2C signal OK NO NO YES YES ...

Страница 55: ...1 2 3 4 5 3 38 WAVEFORMS 1 WAVEFORM OF SERVO Figure 1 1 CD 16M IC407 Pin31 Figure 1 2 SERVO FE TE FOD RF IC407 Pin61 62 63 IC408 Pin1 ...

Страница 56: ...FORM OF MOTOR DRIVE Figure 2 1 SP SP for driving SPINDLE motor IC408 Pin17 18 Figure 2 2 SL SL for driving SPINDLE motor IC408 Pin11 12 SP SL SP SL Figure 2 3 LO LO for driving Tray motor IC408 Pin9 10 LO LO RED MOT_OPEN MOT_CLOSE ...

Страница 57: ... WAVEFORM OF AUDIO SIGNAL Figure 3 1 IC501 Pin83 84 85 Figure 3 2 AUDIO_L R LRCK AUDIO_L DATA BCK AUDIO_R 4 WAVEFORM OF ADC 5 WAVEFORM OF USB Figure 4 ADC I2S IC202 Pin42 43 44 Figure 5 USB D D CN502 Pin1 2 Pin9 10 MCK D LRCK BCK D ...

Страница 58: ...20 21 22 23 3 41 6 WAVEFORM OF CRYSTAL 7 WAVEFORM OF VFD GRID CURRENT DRIVER Figure 6 12 MHz Crystal IC501 Pin27 28 Figure 7 XI CH1 R327 TP304 CH2 Q301 Emitter XO ...

Страница 59: ...MEMO 3 42 ...

Страница 60: ...kj jz Z ymGpj i Z juZWXOX wP juZWXOZZwP juZWXOZZwP ym pj i Z tljoh Z juXWYOX wP juZqWXOX wP slkGYlh i ju W O_wP ju W OXWwP juXW OX wP juXW OX wP mmjGj GO P juXWYOX wP ju WWO wP ju WXO wP ju WYOXWwP juZ XOXWwP juYWXO wP juZtWXO wP juZtWXO wP ju_WYO wP juXW OYwP juXW_OYwP mhu mhu o Gj O P P juXWYOX wP msR R R m ju WWO wP juXW_OYwP P P ju WXO wP ju WXO wP z twzGwji WIRING DIAGRAM ...

Страница 61: ...KPG KNVGT 6JGTOKUVQT 2WNUG 6TCPU CNH TKFIG 4GUQPCPV 5 6 8 8 8 8 8 28 8 8 0 5 25 564 5 N DCEM 0 64 05 W EQO 6 75 2 QVQT KTXG 0 KE 8 2 2 64 CNH TKFIG 64 05 2 8 28 8 6 CNH TKFIG 64 05 2 CVG TKXG 9 12 2 2 2 64 6QVGO RQNG 2 4 PVGTNGCXGF 6 8 CVG TKXG 2 1WV 8 Ǹ Ǹ Ǹ Ǹ Ǹ Ǹ Ǹ Ǹ 9FF 9FF 1P 1HH 1P 1HH 1P 1HH 1P 1HH ...

Страница 62: ...OG_A B B_VOL_A B M_VOL_A B 8A7 1 MIC MIC_SIG PT_L R AUX_L R AUX Portable TUNER_L R TUNER 8 F L IC700 AMP IC IRS2092 IC601 OP AMP AZ4580 IC603 OP AMP AZ4580 FL_OUT_P N FR_OUT_P N SWL_OUT_P N SWR_OUT_P N IC602 OP AMP AZ4580 IC604 OP AMP AZ4580 IC701 AMP IC IRS2092 IC702 AMP IC IRS2092 IC703 AMP IC IRS2092 IC704 AMP IC IRS2092 IC705 AMP IC IRS2092 IC706 AMP IC IRS2092 IC708 AMP IC IRS2092 IR_IN_FL IR...

Страница 63: ...IT DIAGRAM MAY OCCASIONALLY DIFFER FROM THE ACTUAL CIRCUIT 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 IMPORTANT SAFETY 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 SMPS 1 EAX64780401 SD_9 1 7 2012 09 12 CAUTION Danger if fuse is incorrectly replaced Replace only ...

Страница 64: ...S 2 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 SMPS 2 EAX64780401 SD_9 1 7 2012 09 12 Warning Parts that are shaded are critical with respect to risk of fire or electrical shock ...

Страница 65: ...3 53 3 54 3 MAIN MICOM 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 MAIN MICOM EAX64843601 SD_4 1 4 2012 09 12 ...

Страница 66: ...3 55 3 56 4 MAIN PWM 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 MAIN PWM EAX64843601 SD_4 1 4 2012 09 12 ...

Страница 67: ...3 57 3 58 5 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 MAIN AMP EAX64843601 SD_4 1 4 2012 09 12 ...

Страница 68: ...3 59 3 60 6 MAIN DSP CIRCUIT DIAGRAM 21 20 12 14 13 18 19 18 19 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 MAIN DSP EAX64843601 SD_4 1 4 2012 09 12 ...

Страница 69: ...3 61 3 62 7 MAIN RF SERVO CIRCUIT DIAGRAM 5 2 3 4 9 8 10 11 1 6 7 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 MAIN RF SERVO EAX64843601 SD_4 1 4 2012 09 12 ...

Страница 70: ...3 63 3 64 8 MAIN ADC CIRCUIT DIAGRAM 17 16 15 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 MAIN ADC EAX64843601 SD_4 1 4 2012 09 12 ...

Страница 71: ...3 65 3 66 9 VFD CIRCUIT DIAGRAM 22 23 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 VFD EAX64800501 SD_3 1 3 2012 09 12 ...

Страница 72: ...3 67 3 68 10 MAIN VOLUME 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 MAIN VOLUME EAX64800401 SD_4 1 4 2012 09 12 ...

Страница 73: ...3 69 3 70 11 MIC 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 MIC EAX64800601 SD_4 1 4 2012 09 12 ...

Страница 74: ...3 71 3 72 12 MULTI JOG VOLUME 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 MULTI JOG VOLUME EAX64870401 SD_5 1 5 2012 09 12 ...

Страница 75: ...3 73 3 74 13 USB 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 USB EAX64781501 SD_5 1 5 2012 09 12 ...

Страница 76: ...3 75 3 76 14 AUX TUNER SPEAKER LIGHT JACK 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 AUX TUNER SPK LIGHT JACK EAX64800701 SD_5 1 5 2012 09 12 ...

Страница 77: ...3 77 3 78 15 SPEAKER LED_MAIN 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 SPK LED_MAIN EAX65023001 SD_3 1 3 2012 09 12 ...

Страница 78: ...3 79 3 80 16 SPEAKER LED 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 SPK LED EAX65022901 SD_3 1 3 2012 09 12 ...

Страница 79: ...TYPE 16P VA 4 5 5 5V VENDER AKM VD 2 7 3 6V VA6 Measured Vol VD 7 VA 5 21V VD 3 28V IC605 Pre amplifier S4308 Spec TYPE 6P VCC 5 14V VENDER AUK Measured Vol VCC 6 VCC 11 45V PIN NO SPEC VOLTAGE IC100 EEPROM 8 3 3VA 3 471 IC101 uCom 14 3 3VA 3 447 40 3 475 55 3 476 89 3 476 IC102 Voltage Detector 1 3 3VA 3 471 IC103 Voltage Detector 1 3 3VA 3 471 IC104 LDO 2 3 7VA 3 73 3 4 5 6V 5 67 IC202 ADC 5 3 3...

Страница 80: ...P_ CTRL 11 PFC_P_ CTRL 12 MGND 13 12V 12 14 14 MICGND 15 GATE FFC 33P 1 25mm MAIN MAIN VOLUME CN103 1 DGND 2 EQ_T_B 3 EQ_T_A 4 DGND 5 EQ_M_B 6 EQ_M_A 7 DGND 8 EQ_B_B 9 EQ_B_A 10 DGND 11 KEY1 12 AGND 13 PT_R 14 PT_L 15 AGND 16 PT_SENS 17 EXP_CLK2 18 DGND 19 JOG_B 20 JOG_A 21 M_VOL_B 22 M_VOL_A PIN NO DESCRIPTION VOLTAGE 23 DGND 24 3 3VA 3 4 25 12V 12 1 26 12V 12 1 27 KEY3 28 EXP_DAT1 29 EXP_CLK1 30...

Страница 81: ... 13 JOG_A 14 DGND 15 EXP_DAT1 16 EXP_CLK2 17 KEY3 FFC 23P 1 00mm MAIN MD CN404 1 NC FHM VCC 5 06 2 RF 3 DVD LD 4 MON COM 5V 5 DVD VR 6 GND 7 VREF VC 1 658 8 VCC 5 06 9 F 10 E 11 A 12 D 13 C 14 B 15 F 16 T PIN NO DESCRIPTION VOLTAGE 17 T 18 F 19 SW PDIC 5 06 20 GND 21 CD LD 22 MON MPD 23 CD VR HARNESS 10P 2 00mm MAIN USB CN502 1 D2 2 D2 3 DGND 4 REC_KEY 5 USB_P_ CTRL 6 5 6VA 5 63 7 5 6VA 5 63 8 DGN...

Страница 82: ...3 87 3 88 PRINTED CIRCUIT BOARD DIAGRAMS 1 SMPS P C BOARD NOTE Warning Parts that are critical with respect to risk of fire or electrical shock ...

Страница 83: ...3 89 3 90 2 MAIN P C BOARD TOP VIEW ...

Страница 84: ...3 91 3 92 MAIN P C BOARD BOTTOM VIEW ...

Страница 85: ...3 93 3 94 3 VFD P C BOARD ...

Страница 86: ...3 95 3 96 4 MAIN VOLUME P C BOARD 5 MIC P C BOARD ...

Страница 87: ...3 97 3 98 6 JOG P C BOARD 7 USB P C BOARD 8 TUNER P C BOARD ...

Страница 88: ...3 99 3 100 9 SPEAKER LED_MAIN P C BOARD TOP VIEW 10 SPEAKER LED P C BOARD TOP VIEW BOTTOM VIEW BOTTOM VIEW ...

Страница 89: ...3 101 3 102 MEMO MEMO ...

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