LG ACC75T Скачать руководство пользователя страница 62

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5-9

• WIRElESS PART

2. TX SCHEMATIC DIAGRAM

TX_SCHEMATIC

ACC75T/ACC75TK

CN103 : 16 PIN CONNECTOR

CN102 : 14 PIN CONNECTOR

CN101 : 10 PIN CONNECTOR

Note.

XHS-W759TA

BLUE LED PORT

RED LED PORT

FL-

FL+

FR-

FR+

NAME

MODEL

0000

111

ID2

ID1

IDO

MODEL ID

NO.

+3.3V

+5V

RESET

SDATA0

SCLK

LRCK

MCLK

SWITCH

RESET

SPEAKER OUTPUT

DVD RECEIVER

FROM

GND

22K

150

104

18K

22K

18K

22K

N.C

104

8.2V

DC_JACK

1SS133

101

18K

101

22K

104

101

150

104

103

104

KTA1273

XC6203E332PR

22K

2.2K

104

22K

101

HB1M-102J

104

N.C

220/10

10/16

47/16

10K

(DUAL LED)

SAB5370

1/50

10/16

104

KRA103S

1SS133

KRC103S

4.7M

TACT_S/W

KRC103S

180

10K

22K

2.2P

TLC274

104

10K

2SC2412KR

104

10/16

103

10K

LG-VISION.WTR0501

10K

104

HB1M-102J

N.C

HB1M-102J

N.C

3.3V

HB1M-102J

10K

470

HB1M-102J

10K

104

22K

HB1M-102J

10/16

10K

3.3K

HB1M-102J

XB1117P501FR

HB1M-102J

PCM1803

104

10K

10/16

HB1M-102J

4.7/16

GND

VOUT

VIN

OUTPUT4

VEE

OUTPUT3

OUTPUT1

VCC

OUTPUT2

GPA8_REMOTE_CONTROLLER

GPB11/CH_ID1

GPB8/PWR_CTRL0

NO_CONNECT

GPB9/CH_ID0

GPA6/SPDIF_IN

GPA7/SPDIF_OUT

AGND

VCC33

AGND

VCC33

AGND

RESET

TDI

JTAG_RST

TMS

TCK

TDO

DGND

J39

J37

J20

J15

J36

J21

J04

J03

J02

J01

J05

J10

J11

J00

GPA0/AUD_SCLK

GPA1/AUD_LRCK

GPA2/AUD_DATA

GPA3/AUD_MCLK

GPB0/SPK_ID0

GPB1/SPK_ID1

GPB2/SPK_ID2

GPB6/LED0

GPB5/MODEL_ID2

GPB4/MODEL_ID1

GPB3/MODEL_ID0

GPB7/LED1

GPB10/PWR_SENS

J06

J07

J08

J09

J24

J25

J26

J27

J28

J29

J30

J31

J32

J33

J34

J35

EEPROM_ENB

EXT_UXTALIN

DGND

USBDPLUS

USBDMINUS

SDA

SCL

DGND

J38

J18

J14

J17

J16

J22

J23

J13

J12

J19

VIN

VOUT

GND

TEST

BCK

DOUT

DGND

SCKI

OSR

FMT0

FMT1

MODE2

MODE1

LRCK

FSYNC

PDWN

AGND

REF

R132

R179

C113

R143

R131

R141

R129

W102

R182

R183

R184

C112

R185

ZD101

JK101

D101

C110

R142

R144

C111

R130

C115

C114

R145

C108

R155

C165

C162

C179

R148

R147

Q102

IC101

R150

R151

C170

R136

R135

C109

R146

FB101

C120

D105

C102

C104

C103

R172

R139

LD102

C101

C119

C118

Q105

D104

Q104

R137

R109

SW101

Q101

R106

R138

R108

R134

R133

C117

C116

JK102

IC108

C131

R171

Q103

C132

C169

C161

R170

IC103

R116

C168

FB105

W103

FB102

FB111

R121

R120

R119

ZD102

FB103

R125

R127

R126

R181

FB106

R101

C133

R100

FB104

C167

R159

R158

R180

FB107

FB108

IC102

FB110

IC110

C194

R173

C164

FB109

C166

Содержание ACC75T

Страница 1: ...RECEIVERSYSTEM SERVICE MANUAL MODEL LH W750 1 2 3TA LHS W75TAC LHS W75TAF LHS W75TAL LHS W75TAR LHS W75TAW ACC75T MODEL LH W750 1 2 3TA LHS W75TAC LHS W75TAF LHS W75TAL LHS W75TAR LHS W75TAW ACC75T SERVICE MANUAL ...

Страница 2: ... PART AUDIO TROUBLESHOOTING GUIDE 2 1 WIRING DIAGRAM 2 4 BLOCK DIAGRAM 2 6 SCHEMATIC DIAGRAMS 2 8 PRINTED CIRCUIT DIARGAMS 2 22 SECTION 3 DVD AMP PART ELECTRICAL TROUBLESHOOTING GUIDE 3 1 DVD PART SCHEMATIC DIAGRAMS 3 22 SECTION 4 EXPLODED VIEWS 4 1 SECTION 5 SPEAKER PART 5 1 SECTION 6 REPLACEMENT PARTS LIST 6 1 ...

Страница 3: ...ser beams may damage 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 the...

Страница 4: ... replacing 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 ...

Страница 5: ...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 6: ...87 5 108 0 MHz Intermediate Frequency 10 7 MHz Signal to Noise Ratio 60 dB Mono Frequency Response 140 10 000 Hz AM MW Tuning Range 522 1 620 kHz or 520 1 720 kHz Intermediate Frequency 450 kHz AMPLIFIER Stereo mode 100W 100W 6Ω at 1 kHz THD 10 Surround mode Front 100W 100W THD 10 Center 100W Surround 100W 100W 6Ω at 1 kHz THD 10 Subwoofer 200W 4Ω at 30 Hz THD 10 Input AV1 OPTICAL AUDIO MIC Jack Ø...

Страница 7: ...2 1 SECTION 2 AUDIO PART AUDIO TROUBLESHOOTING GUIDE 1 POWER SUPPLY CIRCUIT ...

Страница 8: ...2 2 2 FRONT CIRCUIT 1 2 PIN3 PIN4 PIN9 27 5 FL 32 4 VKK 23 7 FL 5 0 CN902 CN902 ...

Страница 9: ...2 3 3 FRONT CIRCUIT 2 2 ...

Страница 10: ... PCB SMPS PCB MD FRONT PCB FRONT PCB MIC USB PCB VFD H P JACK USB JACK MIC JACK MIC JACK CN001 PN005 CN350 PN801 6PIN 5PIN 23PIN 11PIN 24PIN 23PIN 14PIN 14PIN 30PIN PN103 PN104 PN001 PN002 PN902 PN303 PDM01 PDM03 PN105 PN302 NOTES Warning NOTES Parts that are shaded are critical NOTES With respect to risk of fire or NOTES electricial shock ...

Страница 11: ...R 8 16 V SW1 SW2 MUTE1 A Pb R Pr R CTL A B B VIDEO SW A Tuner L R AV1 L R AV2 L R SCART L R AV1 CVBS AV2 CVBS Monitor out SCART CVBS out C Y SCART ID SCART FB RST AD AD DATA AD BCK AD LRCK A SPDIF 12 288MHz LRCK BCK ADAT 0 1 2 3 FL R RL R C SW MUTE TR Mute RST AD A Mixing ALRCK ABCK MCLK AMDAT SPDIF 8406_SDI 8406_SDO 8406_CLK 8406_CE 8406_RST 8406_INT H P Y G Y Y Y C DVD CVBS CVBS A T_CE T_DO T_DI...

Страница 12: ... 9 SCHEMATIC DIAGRAMS 1 POWER SCHEMATIC DIAGRAM_1 A B C D E F G H I J K L M N O P Q R S T NOTES Warning NOTES Parts that are shaded are critical NOTES With respect to risk of fire or NOTES electricial shock ...

Страница 13: ...2 10 2 11 2 POWER SCHEMATIC DIAGRAM_2 A B C D E F G H I J K L M N O P Q R S T ...

Страница 14: ...2 12 2 13 3 MICOM SCHEMATIC DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...

Страница 15: ...2 14 2 15 4 FRONT SCHEMATIC DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...

Страница 16: ...2 16 2 17 5 DSP AMP SCHEMATIC DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...

Страница 17: ...2 18 2 19 6 I O SCHEMATIC DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...

Страница 18: ...2 20 2 21 7 MAIN MIC SCHEMATIC DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...

Страница 19: ...2 22 2 23 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN DVD P C BOARD DIAGRAM TOP VIEW ...

Страница 20: ...2 24 2 25 2 MAIN DVD P C BOARD DIAGRAM BOTTOM VIEW ...

Страница 21: ...2 26 2 27 3 FRONT MIC P C BOARD 6870R7507AA ...

Страница 22: ...at are shaded are critical NOTES With respect to risk of fire or NOTES electricial shock 5 JACK P C BOARD 5 TOOL LOCATION GUIDE NOTES Warning NOTES Parts that are shaded are critical NOTES With respect to risk of fire or NOTES electricial shock 7 TOOL TOP VIEW BOTTOM VIEW ...

Страница 23: ...2 30 2 31 6 AMP P C BOARD TOP VIEW BOTTOM VIEW ...

Страница 24: ...ion Recieve OPEN CLOSE Key Receive CLOSE Key 1 Stop Playback Open Tray 2 Display tray open message LOGO 1 Execute Pressed Key IR Key 2 Systemoperati on Routi ne Loop 1 Judge whether have disc and disc type 2 Jump to related disc reading procedure SLED at Inner Side 1 8082 initializes SERVO DSP RISC registers 2 Write RISC code to SDRAM 3 Reset RISC SECTION 3 DVD AMP PART ...

Страница 25: ...system clock 2 Check systemreset circuit 3 Check FLASH R Wenable signal PRD RWR 4 Check FLASH Memory related circuit Check the AC Vol tage Power PCBA 110V or 220V Switch on the Power PCBA Are 3 3V and 5V DC outputs normal on main PCBA Update FLASH successfully Replace FLASH A Is the DC Voltage outputs OK 44V 22V 26 5V 12V 5 6V 3 3V 5V 7V 8V ...

Страница 26: ...3 3 A 115 ...

Страница 27: ...3 4 B 1 2 ...

Страница 28: ...3 5 C ES6698 ES6698 ES6698 ...

Страница 29: ...3 6 D ...

Страница 30: ...ection between IC300 ABCK ALRCK ASDAT Check the related circuit of PWM Check Audio out Pins52 54 55 59 62 68 Normal PWM IC out IC301 PWM IC received correct data stream Check Digital Amp circuit IC701 IC702 IC703 IC704 ...

Страница 31: ... it appear DVD Error at FLD Refer to SMPS Refer to oscillator Circuit Check IC101 Reset Waveform Check 3 3V line Check Power section Circuit NO Check power part of Main B D Check oscillator of X101 Check if IC101 Pin80 is high Check if IC101 Pin32 51 80 are high 5V Check if IC101 Pin96 is high Replace IC101 NO NO Check if DVD an Audio Micom Insert is OK Check Power YES Check DVD Module YES Check S...

Страница 32: ... DEBUGGING 1 SYSTEM 27MHz CLOCK RESET FLASH R W SIGNAL 1 ES6698FD main clock is at 27MHz X501 3 8V 27MHz FIG 1 1 2 ES6698FD reset is high active PWR_CTL SYSTEM µ COM IC501 PIN83 5 2VA Power Cord in M_RESET IC501 PIN 207 URST IC501 PIN 188 FIG 1 2 ...

Страница 33: ... 10 2 SDRAM CLOCK 1 ES6698FD main clock is at 27MHz X501 IC503 PIN 38 DCLK 93MHz Vp p 2 2 Vmax 2 7V FIG 2 1 3 Flash R W enable signal during download Downloading FRD IC500 PIN 28 FWR IC500 PIN 11 FIG 1 4 ...

Страница 34: ...LOSE SIGNAL 1 Tray open close waveform OPEN PDM03 PIN7 CLOSE PDM03 PIN8 TROPEN IC402 PIN 4 TRCLOSE IC402 PIN 5 FIG 3 1 2 Tray close waveform OPEN PDM03 PIN7 CLOSE PDM03 PIN8 TROPEN IC402 PIN 4 TRCLOSE IC402 PIN 5 FIG 3 2 ...

Страница 35: ...DISC CONDITION FMSO 2 0V 1 4V 1 0V IC501 PIN 19 STBY 5V IC401 PIN 50 SL 4 7V 3 6V 1 9V IC404 PIN 12 SL 5 3V 3 7V 2 5V IC404 PIN 11 FIG 4 1 3 Tray open waveform OPEN PDM03 PIN7 CLOSE PDM03 PIN8 TROPEN IC402 PIN 4 TRCLOSE IC402 PIN 5 FIG 3 3 ...

Страница 36: ...ION FOSO 1 5V 1 4V 1 3V IC501 PIN 12 F 4 0V 3 6V 3 2V IC404 PIN 14 F 4 0V 3 6V 3 2V IC404 PIN 13 FIG 5 1 6 LASER POWER CONTROL RELATED SIGNAL NO DISC CONDITION MDI1 0V 180mV IC401 PIN 26 LD01 5 0V 3 5V IC401 PIN 20 LD02 5 0V 3 6V IC401 PIN 21 FIG 6 1 ...

Страница 37: ...3 14 F IC404 PIN 14 FE IC401 PIN 40 RFL IC401 PIN 19 FIG 7 2 DVD 7 DISC TYPE JUDGEMENT WAVEFORMS F IC404 PIN 14 FE IC401 PIN 40 RFL IC401 PIN 19 FIG 7 1 DVD ...

Страница 38: ...3 15 F IC404 PIN 14 FE IC401 PIN 40 RFL IC401 PIN 19 FIG 7 3 CD F IC404 PIN 14 FE IC401 PIN 40 RFL IC401 PIN 19 FIG 7 4 CD ...

Страница 39: ...3 16 FE IC401 PIN 40 FOSO IC501 PIN12 F IC404 PIN 14 F IC404 PIN 13 FIG 8 2 CD 8 FOCUS ON WAVEFORMS FE IC401 PIN 40 FOSO IC501 PIN12 F IC404 PIN 14 F IC404 PIN 13 FIG 8 1 DVD ...

Страница 40: ... NO DISC CONDITION DMSO 1 4V 1 8V IC501 PIN 18 SP 3 6V 2 4V IC404 PIN 18 SP 3 6V 4 8V IC404 PIN 17 FIG 9 1 10 TRACKING CONTROL RELATED SIGNAL System checking TE IC401 PIN 39 TRSO IC501 PIN 13 T IC404 PIN 16 T IC404 PIN 15 FIG 10 1 DVD ...

Страница 41: ...3 18 11 RF WAVEFORM RFOP 2 3V 1 1V IC401 PIN 55 RFON 0 8V 2 0V IC401 PIN 57 FIG 11 1 TE IC401 PIN 39 TRSO IC501 PIN 13 T IC404 PIN 16 T IC404 PIN 15 FIG 10 2 CD ...

Страница 42: ...3 19 12 ES6698FD VIDEO OUTPUT WAVEFORMS 1 Full colorbar signal COMPOSIT IC501 PIN 110 FIG 12 1 2 Y IC501 PIN 113 FIG 12 2 ...

Страница 43: ...3 20 1 Audio L R FIG 13 1 13 AUDIO OUTPUT FROM PWM IC IC301 PIN 68 49 2 Audio related Signal ASDAT0 IC501 PIN 117 ABCK IC501 PIN 123 ALRCK IC501 PIN 116 ASDATA3 FIG 13 2 ...

Страница 44: ...3 21 1 R310 TP301 or R311 TP302 2 R320 TP311 or R321 TP312 3 R312 TP303 or R313 TP304 4 R318 TP307 or R319 TP308 5 R314 TP305 or R315 TP304 6 R318 TP309 or R319 TP310 14 DVD AMP WAVEFORMS ...

Страница 45: ......

Страница 46: ...A B C D E F G H I J K L M N O P Q R S T 3 22 3 23 DVD PART SCHEMATIC DIAGRAMS 1 DVD MPEG DSP SCHEMATIC DIAGRAM ...

Страница 47: ...A B C D E F G H I J K L M N O P Q R S T 3 24 3 25 2 RF SERVO SCHEMATIC DIAGRAM ...

Страница 48: ...3 FRONT MIC SCHEMATIC DIAGRAM A B C D E F G H I J K L M N O P Q R S T 3 26 3 27 ...

Страница 49: ...3 28 3 29 4 USB CONTROLLER SCHEMATIC DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...

Страница 50: ...5 AMP SCHEMATIC DIAGRAM 5TOOL A B C D E F G H I J K L M N O P Q R S T 3 30 3 31 ...

Страница 51: ...6 AMP SCHEMATIC DIAGRAM 7TOOL A B C D E F G H I J K L M N O P Q R S T 3 32 3 33 ...

Страница 52: ...A26 A53 A43 A50 A45 A47 A44 274 452 452 275 261 261 261 OPTIONAL PART JACK OPTION 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 4 1 4 2 SECTION 4 EXPLODED VIEWS ...

Страница 53: ...EMBLY DECK MECHA LOADING DP 9 SH 015A 4680R E008A MOTOR MECH FEEDING RF 300EA 1D390 MABUCHI NSP 015B 4560R 0008A PULLEY MOTOR 016 6871R 9294A PWB PCB ASSEMBLY TOTAL DP 9C LOADING 017 4470R 0176A GEAR DVD DP 9 LOADING MOLD 018 4974R 0067A GUIDE DVD DP 9C UP DOWN MOLD 019 3210R M008A FRAME DP 9C UP DOWN MOLD 020 3040R M066A BASE MAIN DP 9T MOLD NSP 021 4681R B009B MOTOR ASSEMBLY DECK MECHA DP9 FEEDI...

Страница 54: ...on BATTERY 808 FILTER CIRC 826 MICRO PHONE 827 INSTRUCTION ASSEMBLY 801 REMOCON 900 811 PLUG ASS Y 1WAY YELLOW 824 ANTENNA LOOP AM 825 ANTENNA FM 828 AC ADAPTOR BAG 804 PACKING CASING 803 BOX 802 PACKING CASING 803 OPTIONAL PART ...

Страница 55: ......

Страница 56: ...5 1 SECTION 5 SPEAKER SECTION CENTER SPEAKER MODEL LHS 75TAC A700 758 757 756 755 755 755 751 751 754 754 750 754 ...

Страница 57: ...5 2 FRONT SPEAKER MODEL LHS 75TAF A800 A800A 850 852 853 854 883 882 850 881 885 886 893 894 892 891 890 889 888 887 884 851 858 859 856 855 857 ...

Страница 58: ... SPEAKER MODEL LHS 75TAL R 850 851 852 853 854 850 882 899 898 889 890 897 892 891 895 896 894 893 883 855 856 857 859 858 860 881A 884A 888A A80SEN A80SML PWRCRD A80RAM A80LAM A800WR A800WL A801WR A801WL 887A ...

Страница 59: ...5 6 SUB WOOFER SPEAKER MODEL LHS 75ATW 953 954 961 950 952 955 951 956 957 A900 ...

Страница 60: ...5 7 TRANSMITTER MODEL ACC75T 380 382 384 With LENS A80M A300 A80S 480 ...

Страница 61: ...K 2W 103 630V 10 N20 0 8A ICP N20 1SS133 15K N C 561 1KV F 3 3K BEAD 56K 2W 10 EG1MGF R1 N C 4 7K EG1MGF R1 331 400V 47uF 100V 600V 4A GBL 06 N C 223 M 100uF 450V 5ohm 331 400V 331 400V 435D 0 1uF 275V VT 759TA VT 759TA 1 5M 1 2W 0 1uF XCAP FUSE_HOLD SVC681D 10A T3 15L_250V TIN_WIRE FUSE_HOLD 4 3 2 1 PN903 PN904 W902 W905 C926 Q903 T901 IC902 D926 C925 D902 CN901 Q901 C910 CN902 R919 R920 R917 Q90...

Страница 62: ...8_REMOTE_CONTROLLER GPB11 CH_ID1 GPB8 PWR_CTRL0 NO_CONNECT GPB9 CH_ID0 GPA6 SPDIF_IN GPA7 SPDIF_OUT AGND VCC33 AGND VCC33 AGND RESET TDI JTAG_RST TMS TCK TDO DGND J39 J37 J20 J15 J36 J21 J04 J03 J02 J01 J05 J10 J11 J00 GPA0 AUD_SCLK GPA1 AUD_LRCK GPA2 AUD_DATA GPA3 AUD_MCLK GPB0 SPK_ID0 GPB1 SPK_ID1 GPB2 SPK_ID2 GPB6 LED0 GPB5 MODEL_ID2 GPB4 MODEL_ID1 GPB3 MODEL_ID0 GPB7 LED1 GPB10 PWR_SENS J06 J0...

Страница 63: ... SCL1 GPB11 N C GPB9 N C GPB5 N C GPB4 SDA2 GPB3 SCL2 GPB8 PWR_CTRL0 NO_CONNECT GPA6 SPDIF_IN GPA7 SPDIF_OUT AGND VCC33 AGND VCC33 AGND RESET TDI JTAG_RST TMS TCK TDO DGND J39 J37 J20 J15 J36 J21 J04 J03 J02 J01 J05 J10 J11 J00 GPA0 AUD_SCLK GPA1 AUD_LRCK GPA2 AUD_DATA GPA3 AUD_MCLK GPB0 SPK_ID0 GPB1 SPK_ID1 GPB2 SPK_ID2 GPB6 LED0 GPB7 LED1 GPB10 PWR_SENS J06 J07 J08 J09 J24 J25 J26 J27 J28 J29 J3...

Страница 64: ...5 11 WIRElESS PART 4 SMPS P C BOARD DIAGRAM LOCATION GUIDE ...

Страница 65: ...5 12 WIRElESS PART 5 TX P C BOARD DIAGRAM TOP VIEW BOTTOM VIEW ...

Страница 66: ...5 13 WIRElESS PART 6 RX P C BOARD DIAGRAM TOP VIEW BOTTOM VIEW ...

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