LG CM9530 Скачать руководство пользователя страница 44

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3-25

ELECTRICAL TROUBLESHOOTING GUIDE

1. POWER SUPPLY ON SMPS BOARD

YES

No output 5.6 VA

No 12 V

Power line of MAIN PCB is short.

Replace F901 (same fuse).

Check or replace D965.

D960, D961 normal?

Replace BD901.

Check P_CTL from

-com.

Check and replace IC951.

Or check line of MAIN PCB is short or not.

Check or replace D960, D961.

F901 normal?

Is the

VCC 12 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?

Содержание CM9530

Страница 1: ...L MODEL CM9530 CM9530 NS9530F W CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL MODEL CM9530 CM9530 NS9530F W SERVICE MANUAL P NO AFN75914290 JANUARY 2013 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: ...ppropriate position and make changes with remote control REPEAT Press STOP 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 NEW EEPROM OPTION EDIT SCREEN HEX 05 00 00 00 00 69 80 45 00 01 1 7 SERVICE INFORMATION FOR EEPROM ...

Страница 9: ...play 1 MICOM WRITE XX 2 Mpeg DSP FIRMWARE 3 EQ EQ DOWN 4 DEMO FIRMWARE 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 DSP EQ DEMO...

Страница 10: ...0 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 Stereo mode 420 W x 2 THD 20 Surround mode Front 420 W x 2 THD 20 Surround 210 W x 2 THD 20 Subwoofer 420 W x 2 THD 20 FRONT SPEAKER Type 2 Way 2 speaker Impedance 6 Ω Rated Input Power 420 W Max Input power 840 W Net Dimensions W x H x D 263 x 445 x 357 mm Net Weight 8 6 kg SU...

Страница 11: ...MEMO 1 10 ...

Страница 12: ...SECTION 2 CABINET MAIN CHASSIS CONTENTS EXPLODED VIEWS 2 3 1 CABINET AND MAIN FRAME SECTION CM9530 2 3 2 MECHANISM DECK SECTION DP17TM 2 5 3 PACKING ACCESSORY SECTION 2 7 4 SPEAKER SECTION 2 8 2 1 ...

Страница 13: ...MEMO 2 2 ...

Страница 14: ...259 266 A46 267 443 443 443 443 252 251 252 253 443 443 A43 A53 A42 A54 254 A47 443 443 443 268 270 269 300 272 271 443 443 443 443 443 CABLE1 CABLE4 CABLE2 CABLE3 A44 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 15: ...2 MECHANISM DECK SECTION DP17TM 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 MEMO ...

Страница 16: ...801 Owner s Manual 804 Bag 802 Box 808 Battery 900 Remote Control 824 AM Loop Antenna 825 FM Wire Antenna 803 Packing 803 Packing 836 Rubber foot 3 PACKING ACCESSORY SECTION ...

Страница 17: ...A60 A61A 651 652 653 653 4 SPEAKER SECTION 4 1 FRONT SPEAKER NS9530F ...

Страница 18: ...A91A 951 952 953 953 A90L 4 2 SUBWOOFER SPEAKER NS9530W LEFT SUBWOOFER ...

Страница 19: ...2 10 A91A 951 952 953 953 A90R SUBWOOFER SPEAKER NS9530W RIGHT SUBWOOFER ...

Страница 20: ... 1 CIRCUIT DIAGRAM 3 47 2 SMPS POWER 2 CIRCUIT DIAGRAM 3 49 3 MAIN MICOM CIRCUIT DIAGRAM 3 51 4 MAIN CD DSP CIRCUIT DIAGRAM 3 53 5 MAIN SERVO CIRCUIT DIAGRAM 3 55 6 MAIN ADC PWM CIRCUIT DIAGRAM 3 57 7 MAIN AMP CIRCUIT DIAGRAM 3 59 8 VOLUME CIRCUIT DIAGRAM 3 61 9 VFD CIRCUIT DIAGRAM 3 63 10 MIC CIRCUIT DIAGRAM 3 65 11 PORTABLE CIRCUIT DIAGRAM 3 67 12 FRONT SPEAKER LED DRIVER CIRCUIT DIAGRAM 3 69 13...

Страница 21: ...stor 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 new one BD901 If BD901 is short circuit replace it with a new one XYhsVY W OXYhGY W P nuk mo WX X Y mo WY X Y nuk y WW muyTX r _X wu WX nwZ WTWYwT z m WX X hsVY W X Y Z sm WX o WW o WX o WY ylhk j W...

Страница 22: ... wUnuk wUnuk k Y ztmiX k X ylhk j Z W m V W WY jt YWGw szl X XW pj WY pjlXozWXnTX X mtpu Y jz Z mi puz nuk sn on _ jj x W pwh WyX Wl Xn Zz Yk x W pwh WyX Wl Xn Zz Yk j Y ylhk wUnuk j Y m VY j Z XWW m ij XX ij X j XW m m XX UZhVY W nuk j X ylhk k X ylhk j _ XWYwm wUnuk wUnuk j XWYwm j W XWW m wZY wZ_ wZ w X w Y w Z w w w _ w W w X w Y w Z w w o XY in j _Y WZ Y XX XY XZ X X X X X_ X YW Z _ j Z_ _wm ...

Страница 23: ...6 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 VKK 39 V 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 the IC101 with a new one on the MAIN board 2 1 3 Se...

Страница 24: ...3 1 2 How to troubleshoot Countermeasure 1 Check connection first VFD to Volume Board to Board Connector VFD to Main FFC cable 2 Check if 4 6 4 9 V FL and FL are output from SMPS to VFD via the MAIN board 3 Check if the IC101 outputs VFD_RST VFD_CLK VFD_STB and VFD_STB to the FRONT board If the there are control signals from VFD TP306 TP308 TP309 replace VFD with a new one 3 1 3 Service hint Any p...

Страница 25: ...e 1 Check Voltage of IC505 pin2 on MAIN board If IC505 pin3 about 4 9 V D500 Input 5 6 VA doesn t come out check 5 6 VA from SMPS board 2 If IC505 pin3 about 4 9 V is normal check the PWR_CTRL IC505 pin12 is high about 3 3 V If PWR_CTRL isn t high check pin63 of IC101 R179 R59E 3 If PWR_CTRL is high check R59D R59B R59C and if there s no defective component then replace IC505 4 If 3 3 V VCC33 is n...

Страница 26: ...d replace X500 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 X500 3 If the crystal X500 doesn t oscillate check R508 R509 C502 C503 around crystal X500 If there s no defective component then replace ...

Страница 27: ...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 28: ...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 29: ...ntermeasure 1 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 t...

Страница 30: ...ure 1 Check the 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 ...

Страница 31: ...62 63 of IC501 to 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 t...

Страница 32: ...beam 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 th...

Страница 33: ...am keep 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 ...

Страница 34: ...ered to IC407 Refer to the No operation of MD guide 2 Check the following I2S signal flow I2S audio signal Interface MCS_BCK IC501_pin4 IC600_pin23 MCS_LRCK IC501_pin5 IC600_pin22 44 1 kHz MCS_DATA_OUT IC501_pin85 IC600_pin24 MCS_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...

Страница 35: ... check pin2 3 of CN351 If 5 6 VA is normal 5VU of IC352 pin3 doesn t come out then replace IC352 2 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 pin5 6 8 9 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...

Страница 36: ...or IC202 If is NG 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 ...

Страница 37: ...5 V 3 3 V ADC for IC202 If is NG replace it a new one 5 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 6 Check if the digital audio AMP block is okay Refer to Digital Audio AMP guide If AMP is damaged replace it ...

Страница 38: ...to IC202 3 Check if ADC MIC_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 digit...

Страница 39: ...ck if the amplified signal is entered from Pin4 of IC506 If no signal output check 12 V for IC506 replace IC506 with a new one if it has a problem 4 Check if MCS_BCK MCS_MLCK MCS_LRCK is entered from IC501 to IC202 If no signal check 5 V 3 3 V for IC508 If it is abnormal change replace it a new one 5 Check if the digital audio AMP block is okay Refer to Digital Audio AMP guide If AMP is damaged re...

Страница 40: ...l out from module replace new module 2 Check if BT_RX TX is entered from Pin5 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 ar...

Страница 41: ...oubleshoot 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 IC705 on your eyes 3 Check the audio signal output check Pin13 of IC700 IC705 First check the Audio Data input Pin3 pin of IC700 IC705 4 If the audio signal output has no output try to change IC which has no output 5 Lastly check Speaker Terminal TM700 7 1 ...

Страница 42: ... 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 the connecto...

Страница 43: ...rmeasure 1 Check supply voltage of AMP CN101 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 1 9 9 3 1 J GwpuG GpjGTeGjzk ...

Страница 44: ...eplace F901 same fuse Check or replace D965 D960 D961 normal Replace BD901 Check P_CTL from μ com Check and 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 12 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 45: ... FRONT PCB is short or not NO NO NO R968 normal ZD951 ZD952 normal D957 D958 normal No 5 V Check or replace 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 D959 normal YES YES YES ...

Страница 46: ...HOOTING GUIDE No output AMP gate line Check or replace R952 Check or replace D952 D959 Check and replace IC952 Or check line of MAIN PCB is short or not Is the VCC 13 VA supplied to IC952 Pin1 to Pin3 NO NO R952 normal YES YES ...

Страница 47: ...904 Q907 Q910 Check or replace IC902 and check Q905 Q906 gate Pin1 components Resistors Diodes Q905 Q906 OK Replace Q905 Q906 Check or replace D954 D955 Check line of MAIN PCB is short or not Is the C904 voltage about 380 V F911 normal PFC P CTL OK AMP P CTL OK Is the VCC 12 V supplied to IC904 Pin16 Is the VCC 12 V supplied to IC902 Pin8 NO YES NO NO NO NO YES NO YES YES YES YES NO NO ...

Страница 48: ...ck SMPS board Replace DIG301 Replace LED LD351 LD366 Check MAIN board HELLO Display on FLD OK Volume LED LD351 LD366 Turn on When turn the volume count is change NO NO NO NO NO NO NO NO CN105 cable connection OK CN302 Pin13 19 20 22 OK CN352 Pin7 8 signal OK CN301 Pin14 17 data signal OK CN301 Pin13 19 20 22 power OK YES YES YES YES YES YES YES YES ...

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: ..._D output signal OK NO NO IC352 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 Pin23 24 AUX input signal OK IC202 Pin41 ADC data output signal OK IC202 Pin42 43 44 I2S input signal OK ...

Страница 51: ... 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: ...ection Check IC501 Check IC206 IC207 IC208 Check SMPS NO NO NO NO NO NO NO NO IC501 Pin82 83 84 I2S data output signal OK IC600 Pin38 39 40 41 44 45 46 47 48 49 FR FL RR RL SW1 signal OK IC600 PWM data output signal OK Pin13 of IC700 IC705 Audio signal OK Q705 Q708 Q711 Q718 OK IC501 pin 85 I2S data signal OK IC206 IC207 IC208 audio signal OK 62 V 50 V 28 V 5 V power voltage OK OK ...

Страница 53: ... play Check Front Woofer SPK Replace IC204 Check SMPS board CN100 CN103 Pin3 5V OK NO NO Check IC204 4 NO LIGHTING FRONT WOOFER SPEAKER YES YES Check SMPS board Check IC501 CN100 CN103 Pin1 2 12 V OK CN100 CN103 Pin6 7 I2C signal OK NO NO YES YES ...

Страница 54: ...1 2 3 4 5 3 35 WAVEFORMS OF MAJOR CHECK POINT 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 55: ...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 56: ... 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 57: ...20 21 22 23 3 38 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 58: ...RG CT 2 OO 9CHGT 2 MOT P UP XGkljrGG tljohupzt 8 2 OO 2 OO ğF KP CT 2 6TCPU 6TCPU 8 75 2 8QNWOG 2 VQ 2 KE LCEM CT 2 OO 2QTV 2 OO 2 9 6 2 2 9 2 9 2 9 52 KIJV 52 KIJV 52 KIJV KE 8QN CTPGUU 2 CTPGUU 2 0 2 OO 2 OO 9 6 2 6TCPU 6TCPU 6 RG 2 OO 6 RG 2 OO USB1 USB2 2 OO 6 RG CT 2 OO BT VFD 2QTVCDNG KE 2 VQ RKP 8QNWOG 2 CTPGUU WIRING DIAGRAM ...

Страница 59: ...TKUVQT CR KPG KNVGT 6JGTOKUVQT 2WNUG 6TCPU CNH TKFIG 4GUQPCPV 5 6 8 8 8 8 8 28 8 8 0 5 25 564 N DCEM 0 64 05 W EQO 6 75 2 QVQT KTXG 0 KE 8 2 2 64 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 9FF 9FF 1P 1HH 1P 1HH 1P 1HH 1P 1HH A4 A ...

Страница 60: ...8 PWM FL RL DRIVER IRS2092 x 6EA Front 420W X2ea Woofer 420W X2ea Rear 210W X2ea 16 9344MHz 8 4 4GEGKXGT EXP_DAT1 CLK1 2 KEY1 3 JOG_A B VOL_A B EXP_CLK DAT S_DJ_1 2 REMOCON 8QNWOG G 9 8304MHz 32 768KHz CD_DVD_DI CD_DVD_CE CLK DO RST MIC_O_DATA0 8 8A7 1 8A7 1 8A 8 8 8A4 8A 8 8A75 8 8A 8 M P UP kljrGG tljohupzt 8 12 288MHz FR RR SW DAC IC AZ4580 DAC IC AZ4580 DAC IC AZ4580 FL RL FR RR SW FET IRF6775...

Страница 61: ...wyvt z Ti Gslk h WY Gw zluz ytjGy h XXX ioThkq pj stY X YyzThkq pj W i Zr zkyht z mshzo iV Gt ziY XYi uly wz _ i YW W jz Z h XXX ioTXUYGOpj W P t sjZ WW 3 7V A stZ XWYkGOpjZ P stZ XWYkThkqGOpj W P x2EA stZ XWYkThkqGOpjYW P pyzYW Y h _W zZW Z wpjrT w T TiRXY pyzYW Y Ti Ri pym t 3 7V A 3 3V 0 6A 5V1A 5V36mA 5V550mA 4 4V 300mA 39V 51mA ...

Страница 62: ...T 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 EAX65026601_9 1 9_SMPS_SD_1 2013 01 17 CAUTION Danger if fuse is incorrectly replaced Replace...

Страница 63: ... 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 EAX65026601_9 1 9_SMPS_SD_2 2013 01 17 Warning Parts that are shaded are critical with respect to risk of fire or electrical shock ...

Страница 64: ...3 51 3 52 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 EAX64910902_2 1 0_MAIN AMP_SD_1 2013 01 17 ...

Страница 65: ...3 53 3 54 4 MAIN CD DSP CIRCUIT DIAGRAM 18 19 21 20 12 14 13 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 CD DSP EAX64910902_2 1 0_MAIN AMP_SD_2 2013 01 17 ...

Страница 66: ...3 55 3 56 5 MAIN SERVO CIRCUIT DIAGRAM 6 7 9 8 10 11 2 3 5 4 1 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 SERVO EAX64910902_2 1 0_MAIN AMP_SD_3 2013 01 17 ...

Страница 67: ...3 57 3 58 6 MAIN ADC PWM CIRCUIT DIAGRAM 15 17 16 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 PWM EAX64910902_2 1 0_MAIN AMP_SD_4 2013 01 17 ...

Страница 68: ...3 59 3 60 7 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 EAX64910902_2 1 0_MAIN AMP_SD_5 2013 01 17 ...

Страница 69: ...3 61 3 62 8 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 VOLUME EAX65025101_5 1 4_Volume_SD 2013 01 17 ...

Страница 70: ...3 63 3 64 9 VFD CIRCUIT DIAGRAM 22 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 EAX64911002_0 1 0_VFD_SD 2013 01 17 23 ...

Страница 71: ...3 65 3 66 10 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 EAX64986002_0 1 0_MIC_SD 2013 01 17 ...

Страница 72: ...3 67 3 68 11 PORTABLE 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 PORTABLE EAX65072302_0 1 0_Portable_SD 2013 01 17 ...

Страница 73: ...3 69 3 70 12 FRONT SPEAKER LED DRIVER 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 F SPK LED DRIVER EAX65032202_0 1 0_F SPK LED Driver_SD 2013 01 17 ...

Страница 74: ...3 71 3 72 13 FRONT SPEAKER LED SUB 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 F SPK LED SUB EAX65032302_0 1 0_F SPK LED Sub_SD 2013 01 17 ...

Страница 75: ...3 73 3 74 14 WOOFER SPEAKER LED DRIVER 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 W SPK LED DRIVER EAX64935302_0 1 0_W SPK LED Driver_SD 2013 01 17 ...

Страница 76: ...3 75 3 76 15 WOOFER SPEAKER LED SUB 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 W SPK LED SUB EAX64986102_0 1 0_W SPK LED Sub_SD 2013 01 17 ...

Страница 77: ...oltage SMPS Board C904 330uF 450V 380V 380V C911 100uF 50V 12 5V 12 8V C930 68uF 450V 138V 336V C932 22uF 50V 14V 14 5V C936 1000uF 16V 5 65V 5 68V C947 100uF 50V 31 2V 31 5V C956 470uF 16V 5 1V 5 08V C957 100uF 16V 5V 5V C958 100uF 16V 12V 12V C964 220uF 25V 11 99V 11 98V C966 2200uF 80V 62V 62V C968 2200uF 80V 62V 62V MEMO ...

Страница 78: ...3 79 3 80 PRINTED CIRCUIT BOARD DIAGRAMS 1 SMPS P C BOARD TOP VIEW ...

Страница 79: ...3 81 3 82 SMPS P C BOARD BOTTOM VIEW NOTE Warning Parts that are critical with respect to risk of fire or electrical shock ...

Страница 80: ...3 83 3 84 2 MAIN P C BOARD TOP VIEW ...

Страница 81: ...3 85 3 86 MAIN P C BOARD BOTTOM VIEW ...

Страница 82: ...3 87 3 88 3 VOLUME P C BOARD TOP VIEW ...

Страница 83: ...3 89 3 90 VOLUME P C BOARD BOTTOM VIEW ...

Страница 84: ...3 91 3 92 4 VFD P C BOARD TOP VIEW BOTTOM VIEW ...

Страница 85: ...3 93 3 94 5 MIC P C BOARD TOP VIEW BOTTOM VIEW 6 PORTABLE P C BOARD TOP VIEW BOTTOM VIEW ...

Страница 86: ...3 95 3 96 7 FRONT SPEAKER LED DRIVER P C BOARD TOP VIEW BOTTOM VIEW 8 FRONT SPEAKER LED SUB P C BOARD TOP VIEW BOTTOM VIEW ...

Страница 87: ...3 97 3 98 9 WOOFER SPEAKER LED DRIVER P C BOARD TOP VIEW BOTTOM VIEW 10 WOOFER SPEAKER LED SUB P C BOARD TOP VIEW BOTTOM VIEW ...

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LG CM9530, Руководство по обслуживанию

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