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17. TUNER CIRCUIT DIAGRAM

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TU501

TC-524HF

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Содержание LAD-9600

Страница 1: ...6 http biz lgservice com MODELS LAD 9600 LAD 9600R CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL EJECT EQ RDS PHONE BAND RSE SRC ARROW VOL WIDE NAVI MENU WIDE NAVI MENU WIDE NAVI MENU WIDE NAVI MENU TIL T DISP CLOSE TIL FLIP T DISP CLOSE TIL T DISP CLOSE TIL FLIP T DISP CLOSE ...

Страница 2: ...CONTENTS SECTION 1 SUMMARY SECTION 2 CABINET MAIN CHASSIS SECTION 3 ELECTRICAL SECTION 4 CPD 03 DVD CD CAR MODULE PART SECTION 5 REPLACEMENT PARTS LIST ...

Страница 3: ...1 2 SECTION 1 SUMMARY CONTENTS ESD PRECAUTIONS 1 3 SPECIFICATIONS 1 4 LOCATION OF CUSTOMER CONTROLS 1 5 ...

Страница 4: ...arges sufficient to 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...

Страница 5: ...nit Net Weight 1 12 kg Hideaway unit DISPLAY LCD 7 inch TFT LCD Resolution 480 X 234 Back Light CCFL type L type CD DVD VCD SELECTION Frequency Response 20 Hz 20 kHz S N Ratio 95 dB Distortion 0 1 Channel Separation 1kHz 70 dB RADIO SELECTION FM Frequency Range 87 5 107 9 or 87 5 108 MHz S N Ratio 55 dB Distortion 1 0 Usable Sensitivity 12 dBµV AM MW Frequency Range 520 1720 or 522 1620 kHz S N Ra...

Страница 6: ... 18 ARROW up down left right Selects the folders up down Selects the menus up down left right Skip left right Search left right Selects a preset station up down Enter 19 REMOTE SENSOR 10 SRC Source Change the sources 11 RSE Rear service Plays back two different sources as a main a source and a subsidiary source 12 BAND Select the band 13 RDS LAN 9600R ONLY Selects the TA on off Press for a short t...

Страница 7: ...1 6 HEAD UNIT MONITOR VI WIDE NA MENU 1 2 3 1 WIDE Change the screen mode 2 BRIGHT Adjusts the monitor brightness 3 LCD DVD VCD DivX ...

Страница 8: ...eft right Skip left right Search left right Selects a preset station up down ENTER Confirms menu selection 5 0 9 number buttons Selects numbered items in the menu Selects a stored radio station frequency 1 6 REPEAT Repeat chapter track title or file SHUFFLE Plays tracks or files in random order SCAN Plays the first 10 seconds of all track AUDIO Select audio language SUBTITLE Select audio subtitle ...

Страница 9: ...Microphone Main unit Power Cable For hide away unit Power Cable For main unit Main unit Hide away unit Connecting Cable POWER ANTENNA pink Black Yellow With the sun visor up install the microphone Hide away unit OPTICAL OUT Option Connecting to Optical equipment Connecting to an amplifier equipped with two channel digital stereo or to an Audio Video receiver equipped with a multi channel decoder ...

Страница 10: ...everse lead Note Use a Reverse Extension if needed Page 15 H BRK Hand Brake Be sure to wire the hand break parking brake for safety and preventing accidents Blue White Red Yellow Black Blue Brown Pink FRONT LEFT Speaker REAR LEFT Speaker FRONT RIGHT Speaker REAR RIGHT Speaker White Black stripe White Green Green Black stripe Gray Black stripe Gray Violet Violet Black stripe If your car has the ISO...

Страница 11: ...External Power Amplifier Auxiliary Devices VCR Camcorder Connecting the Reverse Gear If using an optional rear view camera the reverse lead must be connected 1 Clamp the reversing lamp lead 2 Clamp firmly with needle nosed pliers Reverse lead Reverse Extension Code Reverse lamp lead ...

Страница 12: ...2 1 SECTION 2 CABINET MAIN CHASSIS CONTENTS EXPLODED VIEWS 2 2 1 CABINET AND MAIN FRAME SECTION 2 3 2 AMP SECTION 2 5 3 ACCESSORY SECTION 2 7 ...

Страница 13: ...451 450 450 452 452 287 455 452 A49 286 285 451 290 461 A46 A55 461 A45 281 A43 283 282 284 270 A42 273 451 266 454 461 A41 A01 A02 269 461 461 272 267 268 260 261 A40 A54 A48 264 265 263 262 CONNE4 CABL40 CABL20 CABL14 A41 is consisted of FRONT KEY FRONT EJECT Assembly Therefore 2EA s PCB Assembly is supplied if request purchase by A41 s P No ...

Страница 14: ...2 5 2 6 2 AMP SECTION 458 455 458 458 458 458 458 457 457 456 320 321 323 325 326 327 328 329 324 A50 A52 458 ...

Страница 15: ... Multi Harness Single Harness Single Bracket 840 841 843 845 Bracket Panel Audio Case Assembly 846 850 851 852 Screw OPTIONAL PART Screw Screw Case Assembly Remote Controller 900 3 ACCESSORY SECTION LOC No DESCRIP TION LOC No DESCRIP TION LOC No DESCRIP TION LOC No DESCRIP TION Cable Assembly 834 835 837 838 ...

Страница 16: ...RAM 3 41 7 MAIN_CORAL PA CIRCUIT DIAGRAM 3 43 8 MAIN_DVD CIRCUIT DIAGRAM 3 45 9 MAIN_POWER CIRCUIT DIAGRAM 3 47 10 TFT LCD_LCD DRIVE IC MICOM CIRCUIT DIAGRAM 3 49 11 TFT LCD_POWER TOUCH PANEL CIRCUIT DIAGRAM 3 51 12 SEG LCD CIRCUIT DIAGRAM 3 53 AMP PART 13 HIDEAWAY_MICOM CIRCUIT DIAGRAM 3 55 14 HIDEAWAY_AUDIO IC CIRCUIT DIAGRAM 3 57 15 HIDEAWAY_LINE DRV DIFF AMP CIRCUIT DIAGRAM 3 59 16 HIDEAWAY_PO...

Страница 17: ...ed in CN100 Is cable normally inserted in CN603 NO NO Insert lock CABLE NO YES NO Is FRONT PANEL attached NO NO Do the set operate YES YES Is LED turned ON YES YES NO Check state of FRONT FPC open connection and etc Change FPC YES Is LED turned ON Check the part of Power module IC100 IC102 REF Diagram of voltage Check the TILT MECHA YES ...

Страница 18: ...O YES NO YES Check around IC100 9V is supplied to L101 Insert Check Is FFC of CN604 normally inserted Check Check around IC615 and Pushed any key Is EJECT KEY CABLE normally inserted at connector Is the BEEP SOUND generated when EJECT KEY is pused Check the DECK 1 MAIN BOARD PART 2 DISC IN OUT Error ...

Страница 19: ...Harness a normal state AC power Check whether Main Board is normal or not and whether FPC Cable is down or not and Solve problem Do RGB Sync Signal appear at CN701 pins 2 4 6 9 12 Do Micom communicates with Main Board IC702 Pins 16 20 21 22 Check Micom IC702 and Solve Problem Check IC701 and Solve problem Does Micom Clock appear at IC702 pin 44 Does RGB Signal appear at IC701 pins 90 93 94 Defecti...

Страница 20: ...Solve problem NO NO NO NO YES YES YES YES YES Check IC704 CN705 and Solve problem Is The screen scrolled in uni form direction when don t press Touch Panel at Navi mode Is The screen scrolled in uni form direction when press Touch Panel at Navi mode Defective Touch Panel Check defective Case of TFT LCD Module Calibrate Touch Panel 2 When Touch panel don t respond ...

Страница 21: ...801 pins 8 9 Check TFT LCD Board Do IC801 appear a normal signal YES Check SEG Check IC801 3 SEG LCD PART 1 When SEG LCD don t turn on 4 FRONT KEY PART 1 When KEY don t respond Check IC615 KEY don t respond Do KEY Scan Out Pulse appear at IC615 pins 109 114 NO YES YES NO YES Check the defect of Key Do KEY Scan In Pulse appear at IC615 pins 118 122 when don t press any Key Some KEY is pressed ...

Страница 22: ...UTPUT and Q532 NO NO NO NO YES YES Check Audio Board IC521 OUTPUT CHECK DATA SIGNAL R5716 R5717 R5728 R5729 belong to RDS TMC operation Check connection of CN503 CHECK DATA SIGNAL R5718 R5719 R5720 R5721 YES Defective TUNER Exchange Tuner assy Check connection of CN503 NO CHECK AUDIO MICOM IC501 5 TUNER PART ...

Страница 23: ...COM power supply IC522 PIN3 NO Defective X TAL X501 NO Check ACC input signal path Q515 CN501 PIN9 JT5111 Does reset signal appear IC502 PIN3 Is power supplied to MICOM IC501 YES Does clock waveform appear X501 YES YES Does ACC signal applied to MICOM IC501 PIN21 MICOM FLASH RE DOWNLOAD CN500 ...

Страница 24: ...dio output path NO Check backup power supply JT5101 NO Check MICOM port IC501 PINS38 39 NO Check audio output path A V Switch audio output signal IC505 PINS52 54 Audio processor audio output signal IC506 PINS21 22 24 25 YES Is power supplied to POWER AMP IC IC507 PIN6 20 YES YES YES Does 5V appear at IC507 PINS4 22 TW5209 5210 Power Amp audio output CHECK CONNECTOR CN501 ...

Страница 25: ...R AUDIO OUTPUT Volume control YES YES NO YES Check volume knob assembly NO Check tone control and balance fader setting NO Check audio signal path Sound Tone setting Max audio output of each channel YES REPLACE POWER AMP IC IC507 ...

Страница 26: ...D AUDIO HIDEAWAY UNIT 5m Inter Cable B ACC GND MIC Optical Out REMOTE ON POWER ANT REVERSE GEAR HAND BREAK F L F L F R F R R L R L R R R R CVBS AUDIO L R REAR CAMERA VIDEO IN CVBS AUDIO L R AUX IN CVBS AUDIO L R AUDIO PRE OUT F L F R R L R R AUDIO PRE OUT NON FAD L R FM AM ANT ...

Страница 27: ...UART PreOutFront PreOutRear I2C Key IR Front Panel Main Unit Hideaway Unit USB SPI USB Controller UBI9022 SW Downmixed 2CH ADAC PCM1742 CVBS Audio Processor TDA7416 DVD_A Voice Guidance Voice _ Phone CCIR656 A_RGB Optical OUT YC UART Debugging Front Video Line Driver SPI ADAC PCM1742 NaviVoice Guidance Graphics Accelerator MB86296S SDRAM 32MB PCI MIX I2C SRS NJM2195 ATA Bus DVD_V I2S I2S I2C Audio...

Страница 28: ...3 15 3 16 3 BLOCK DIAGRAM S W ...

Страница 29: ...3 17 3 18 BLOCK DIAGRAMS_ MAIN PART 4 MAIN BLOCK DIAGRAM 32M 64MB ...

Страница 30: ...3 19 3 20 5 MAIN IN OUT BLOCK DIAGRAM 1 PRE OUT FL FR RL RR SWL SWR 2 REAR OUT AV 1 3 ANT CONT REMOTE CONT CD DVD POWER_ON GND 1 AUX IN 2 2 CAMERA IN 1 3 ANT RF 1 4 H_BRAKE REVERSE GEAR MONO PHONE ...

Страница 31: ...3 21 3 22 6 MAIN POWER BLOCK DIAGRAM IC600 PPC5200 ...

Страница 32: ...CH PANEL VP78 TSC2003 INVERTER UPD78F0514GA S 8EU FRONT LCD KEY FRONT LCD Controller PT6524 5V 15V 10V 9V 3 3V 3 3V 2 5V 5V IIC X X Y Y Analog RGB ETC DIMMING Key Matrix SEG PENIRQ IIC SPI Analog RGB ETC MAIN BOARD I O LCD Load Tilt Mechanism Module 5 0V 9 0V 12 0V ...

Страница 33: ...3 25 3 26 8 TFT LCD POWER BLOCK DIAGRAM 9V 12V 5V Touch Panel Con LCD Driver IC MICOM KEY LED Inverter Tilt Assy Seg LCD Controller 10V 3 3V LCD 2 5V Seg LCD 10V SW 15V 10V SW ...

Страница 34: ...O CD DVD BEEP PHONE PREAMP AUDIO MICOM uPD70F3313YGC I2C PWR AMP TB2903HQ PREAMP F NON FAD SRS WOW NJM2195 AUX IN VIDEO IN CAM RSE VIDEO MAIN RSE AUDIO EPM CAT5409 232 DRV MAX232 UART TUNER I2C FM AM UART LINE DRV NJM2792 LINE DRV NJM2792 RSE AUDIO STBY MUTE PREAMP R NON FAD PREOUT F PREOUT R FORNT SPK REAR SPK RDS CLK DAT ...

Страница 35: ...3 29 3 30 10 HIDEAWAY POWER BLOCK DIAGRAM B A V RF Tuner MICOM UART Power AMP IC520 9V 5A IC519 5V 1A Q538 S W IC521 5V 1A SW IC522 5V 1A IC540 10V 1A IC541 10V 1A ANT REM ...

Страница 36: ...9 10 11 12 B C D E F G H I J K L M N O P Q R S T WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE EVQQ5B05K V3 3_D REMOCON FP_DETECT KEY_IN5 KEY_IN4 KEY_IN3 KEY_IN2 KEY_IN1 KEY_OUT5 KEY_OUT4 KEY_OUT3 V10_LED VOL_DN VOL_UP D_GND ...

Страница 37: ...3 33 3 34 2 FRONT KEY_EJECT 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 WHITE ...

Страница 38: ...3 35 3 36 3 MAIN_CPU 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 1 IC605 MAX708 1 ...

Страница 39: ...3 37 3 38 4 MAIN_IDE MEMORY CIRCUIT DIAGRAM 2 3 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 2 3 ...

Страница 40: ...IRCUIT DIAGRAM 5 4 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 D_GND D_GND D_GND V3 3_D REMOCON FP_DETECT KEY_IN5 KEY_IN4 KEY_IN3 KEY_IN2 KEY_IN1 KEY_OUT5 KEY_OUT4 KEY_OUT3 V10_LED VOL_DN VOL_UP D_GND 4 5 ...

Страница 41: ...3 41 3 42 6 MAIN_B T E C AUDIO CIRCUIT DIAGRAM 6 7 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 D_GND D_GND D_GND 6 7 ...

Страница 42: ...3 43 3 44 7 MAIN_CORAL PA CIRCUIT DIAGRAM 8 9 12 10 11 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 IC403 MB86296 IC403 M81296 8 9 10 11 12 ...

Страница 43: ...3 45 3 46 8 MAIN_DVD CIRCUIT DIAGRAM 13 17 16 14 15 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 DGND DGND DGND 13 14 15 16 17 ...

Страница 44: ...3 47 3 48 9 MAIN_POWER 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 PGND PGND PGND ...

Страница 45: ...3 49 3 50 18 19 20 21 22 26 27 28 29 23 24 25 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 10 TFT LCD_LCD DRIVE IC MICOM CIRCUIT DIAGRAM 22 21 20 19 18 23 24 25 26 27 28 29 ...

Страница 46: ... G H I J K L M N O P Q R S T GND VGS_VS GND VGA_HS GND RIN RIN GND GIN GIN GND BIN BIN GND_INV GND_INV KEY_IN3 KEY_IN4 KEY_OUT1 KEY_OUT2 KEY_IN2 KEY_IN1 V10_LED V10_LED TS_SCL TS_SDA PENIRQ GND LCD_RESET M_SPI_CE M_SPI_DO M_SPI_DI M_SPI_CLK GND GND V12_M V12_M V9 0_LCD V9 0_LCD V5 0_DA V5 0_DA 32 30 31 ...

Страница 47: ...3 53 3 54 12 SEG LCD 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 LCD1 IS10323E PHOTO TR RPM 075PTT86 ...

Страница 48: ...40 39 42 43 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 FW_FLMDO V5 0_MC RESET FW_CLK FW_DIN FW_DOUT D_GND D_GND T2OUT R2IN D_GND GPS_UTXD GPS_URXD D_GND RL RR RL RR FL FR FL FR REVERSE_GEAR ACC_IN ANT H_BRAKE REMOTE FUSE P_GND FUSE B_UP 35 34 33 36 37 38 39 40 42 43 ...

Страница 49: ...0 11 12 B C D E F G H I J K L M N O P Q R S T GPS_UTXD GPS_URXD GPS_RESET HEAD_UTXD HEAD_URXD P_CONTROL u RESET AV_GND PHONE PHONE NAVI NAVI AV_GND ZERO_R ZERO_L AV_GND MANUAL_RST MAIN_PWR AV_GND DVD_R DVD_R AV_GND DVD_L DVD_L AV_GND FRONT_VIDEO AV_GND DVD_VIDEO GND GND 41 ...

Страница 50: ... 11 12 B C D E F G H I J K L M N O P Q R S T REAL_LL REAL_LR AV_GND REAR_VIDEO CAM AV_GND RCA 420A 1 2 3 4 5 6 PREAMP_FL PREAMP_FR AV_GND PREAMP_RL PREAMP_RR AV_GND PREAMP_SWL PREAMP_SWR AV_GND RCA 633A RCA 633A VIDEO_R AUXIN_R AV_GND VIDEO_L AUXIN_L AV_GND VIDEO_V AUXIN_V AV_GND ...

Страница 51: ...3 61 3 62 16 HIDEAWAY_POWER 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 AV_GND AV_GND AV_GND ...

Страница 52: ...3 63 3 64 17 TUNER 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 TU501 TC 524HF ...

Страница 53: ...3 65 3 66 1 MAIN PART _ 1 17 TFT LCD PART _ 18 32 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 WAVEFORMS ...

Страница 54: ...1 IC501 PIN 65 TW5064 IC505 PIN 1 TW5116 IC503 PIN 3 TW5003 IC503 PIN 4 TW5004 IC501 PIN 50 TW5083 IC501 PIN 52 TW5081 IC501 PIN 35 TW5025 IC501 PIN 36 TW5024 IC501 PIN 15 TW5033 IC501 PIN 18 TW5020 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 ...

Страница 55: ...C 27 NC 28 0 29 ANALOG 30 3 3 31 ANALOG 32 0 33 H L 34 0 35 0 36 0 37 0 38 0 39 0 40 0 41 0 42 0 43 H L 44 H L 45 H L 46 H L 47 H L 48 3 3 IC380 1 0 2 3 3 3 0 4 NC 5 5 6 5 7 5 8 5 IC605 1 3 3 2 3 3 3 0 4 NC 5 NC 6 NC 7 3 3 VOLTAGE MODE PIN NO 8 NC IC614 1 6 2 6 3 6 4 6 5 6 6 6 7 H L 8 H L 9 H L 10 H L 11 H L 12 H L 13 H L 14 H L 15 0 16 3 3 IC619 1 H L 2 H L 3 H L 4 0 5 3 3 6 5 7 ANALOG 8 ANALOG 9...

Страница 56: ...50 4 5V 51 4 5V 52 4 5V 53 3 9V 54 4 5V 55 3 8V 56 3 3V 57 GND 58 4 5V 59 4 5V 60 4 0V 61 4 5V 62 4 5V 63 4 0V 64 4 5V IC506 1 2 3 4 5V 4 4 5V 5 4 5V 6 7 4 5V 8 4 5V 9 10 0V 11 12 H L 13 H L 14 15 H L 16 17 4 5V 18 VOLTAGE MODE PIN NO 19 20 21 4 5V 22 4 5V 23 24 4 5V 25 4 5V 26 27 28 29 9V 30 4 5V 31 4 5V 32 4 5V 33 4 5V 34 35 4 5V 36 4 5V 37 4 5V 38 4 5V 39 40 4 5V 41 4 5V 42 4 5V 43 4 5V 44 4 5V...

Страница 57: ...3 73 3 74 MAIN PRINTED CIRCUIT DIAGRAMS_ MAIN PART 1 MAIN P C BOARD TOP VIEW ...

Страница 58: ...3 75 3 76 2 MAIN P C BOARD BOTTOM VIEW ...

Страница 59: ...3 77 3 78 3 FRONT KEY EJECT P C BOARD TOP VIEW 4 FRONT KEY EJECT P C BOARD BOTTOM VIEW ...

Страница 60: ...3 79 3 80 5 TFT LCD P C BOARD TOP VIEW 6 TFT LCD P C BOARD BOTTOM VIEW ...

Страница 61: ...3 81 3 82 7 SEG LCD P C BOARD TOP VIEW 8 SEG LCD P C BOARD BOTTOM VIEW ...

Страница 62: ...3 83 3 84 AMP PART 9 HIDEAWAY P C BOARD TOP VIEW ...

Страница 63: ...3 85 3 86 10 HIDEAWAY P C BOARD BOTTOM VIEW ...

Страница 64: ...3 87 3 88 11 TUNER P C BOARD TOP VIEW 12 TUNER P C BOARD BOTTOM VIEW ...

Страница 65: ......

Страница 66: ...ESHOOTING GUIDE 4 2 1 DISC LOADING 4 2 2 FOCUS SEARCH AND LASER DIODE 4 3 3 SPINDLE 4 4 4 FOCUS SERVO 4 4 5 TRACK SERVO 4 5 6 READ RF 4 5 CIRCUIT DIAGRAMS 3 6 1 CIRCUIT DIAGRAM_1 4 6 2 CIRCUIT DIAGRAM_2 4 8 WAVEFORMS 4 10 PRINTED CIRCUIT DIAGRAMS 3 12 1 MD P C BOARD 4 12 ...

Страница 67: ...02 pin 2 3 CN303 connectivity and Polarity Figure 1 2 NO NO YES YES YES YES YES Normal sled motor driver power Is The screen scrolled in uni form direction when don t press Touch Panel at Navi mode Normal sled motor drive signal Check IC301 pin 6 7 CN301 pin 1 2 3 4 Figure 3 4 NO Check CN302 pin 13 NO Check IC301 pin 43 Continue Normal limit SW signal 1 DISC LOADING ...

Страница 68: ...1 4 Is optical lens moving verti cally for searching focus NO NO NO Check IC301 pin 22 NO NO YES YES YES YES Does laser turn on during focus search Does laser turn on during focus search LDDV and LDCD output properly Check IC101 pin 3 5 Q101 Q103 Q102 and CN101 pin 7 9 NO Check IC101 pin 38 45 Continue 2 FOCUS SEARCH AND LASER DIODE ...

Страница 69: ...r NO NO Check IC301 pin 43 NO YES YES YES Normal spindle driver output from IC301 NO Check IC301 pin 37 39 40 and CN302 pin 1 2 3 Figure 6 Continue 3 SPINDLE Focus on OK Normal focus actuator driving signal Check IC301 pin 10 25 26 and CN101 pin 1 4 Figure 7 Normal focus error signal NO NO Check IC201 pin 109 Figure 7 NO YES YES YES Check disc Continue 4 FOCUS SERVO ...

Страница 70: ... signal NO CD NO Check IC201 pin 110 IC101 pin 1 48 Figure 8 NO Normal track actua tor driving signal NO Check IC301 pin 9 23 24 and CN101 pin 2 3 Figure 8 Check disc YES YES YES Continue Disc playback Normal RF signal NO Check IC201 pin 98 99 IC101 pin 34 Figure 9 NO YES OK 6 READ RF ...

Страница 71: ......

Страница 72: ...4 6 4 7 CIRCUIT DIAGRAMS 1 CIRCUIT DIAGRAM_1 1 3 5 4 2 4 6 7 8 9 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 2 1 3 4 5 6 7 8 9 ...

Страница 73: ...4 8 4 9 2 CIRCUIT DIAGRAM_2 7 8 9 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 7 8 9 ...

Страница 74: ...R DRIVING SIGNAL CN301 PIN 1 4 4 SPINDLE IC301 PIN 6 CN302 PIN 6 8 10 5 SPINDLE MOTOR DRIVING SIGNAL IC301 PIN 37 39 40 6 FE AND DRIVING SIGNAL IC201 PIN 109 CN101 PIN 1 4 7 TE AND DRIVING SIGNAL IC201 PIN 110 CN101 PIN 2 3 8 READ RF AND EQ RF IC101 PIN 34 IC201 PIN 98 99 9 4 10 4 11 LOAD A SPD A1 A2 A3 H1 H2 H3 A B B FE F F TE T T RF ARF NARF LOAD LOAD SIN1 SIN2 LOAD ...

Страница 75: ...4 12 4 13 PRINTED CIRCUIT DIAGRAMS 1 MD P C BOARD TOP VIEW BOTTOM VIEW ...

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