LG AL182W AL192W free download

File name SR10375A.PDF

CIRCUIT DIAGRAMS 1. Power(SMPS) Circuit Diagram 12VA No Power. No Power. BDP01 is defective. DP06 is defective. 12V dead. QP06 is defective. 9V dead. QP01 is defective. No Power. ICP02, 03 are malfunctioned. 5V dead. QP02, 03, 04 are defective. 3-21 3-22

File name SR10376A.PDF

2. SYSTEM CIRCUIT DIAGRAM IC502 is defective. Loading/Unloading operation is abnormal. IC504 is defective. ·Reset defect. ·Set Dead Q901~Q905 are defective. Each LED are not operate. X501 is defective. IC501 is not operate. X503 is defective. 1 Menu & F.OSD are not operate. 2 3 4 5 10 9 7 6 8 ES501, ES502, LD501 are defective. Tape remain dead. Auto REW is not operate. S501, S502, Q514, Q515 are defective. Audio stop occurs. WAVE FORM 3-23 3-24

File name SR10377A.PDF

3. A/V CIRCUIT DIAGRAM X301, X302 are defective. PB Color Signal disappear. 12 8 Q402,403,404 are defective. PB Audio failed. 11 13 16 7 2 9 2 14 1 4 10 3 6 IC301 Pin is defective. Auto Tracking is failed. 5 15 IC301 Pin IC301 Pins Q301, Q302 are defective. PB screen is bad. TL401 is defective. Audio & Screen is bad in Self-Record mode. IC301 Pin defective. , defective. PB and Recording is failed. defective. Record is failed. PB Color signal disappear. PB AUDIO REC AUDIO PB Y C PB Y PB C REC Y C REC Y REC C WAVE FORM 3-25 3-26

File name SR1037_1.PDF

BLOCK DIAGRAMS 1. POWER(SMPS) BLOCK DIAGRAM F101 T1.6AL/250V LP01 BRIDGE RECTIFIER 1 SNUBBER 2 CIRCUIT 3 PTP01 ICP04 REGULATOR 6VA Y/C.SYSTEM 5.3VA FILTER AC 100~240V FP02 T2A/250V RECTIFIER DP06 QPO6 REGULATOR QP01 REGULATOR 9 QP05 DC JACK JK03 CAPSTAN 13.5VA DRUM 12VA Y/C.BUFFER 9V 7 5 4 3 1CP01 SWITCH -ING 2 1 10 5 11 RECTIFIER DP03 QP02 6 REGULATOR & SW QP03 1 4 3 2 ICP02 REFERENCE ICP03 DETECT QP04 SYSTEM PWR CTL'H' REGULATOR & SW AUDIO.SYSTEM Y/C. MOD 3-15 3-16

File name SR1037_2.PDF

2. AUDIO BLOCK DIAGRAM 1) PB Mode 3. Y/C BLOCK DIAGRAM 1) PB Mode 57 59 54 52 51 61 72 71 AUDIO HEAD 4 EQ AMP IC301 AUDIO SP 'B' PB 88 91 ACC MAIN CONV C. COMB LPF Y DELAY 46 45 43 C LPF IC301 LA71570M YNR PB FM AGC FM DEM DOUBLE LIMIT SUB LPF LPF NL DE EMP Y/C MIX 41 3 LINE AMP MUTE SP 'A' PB 1 100 96 75 V. ENV 93 PB EQ CLAMP 60dB AMP 23 24 28 29 MD 301 MOD AUDIO PB EQ 5V 10 11 18 17 21 20 1 TRAP CIRCUIT PB PEAKING MAIN DE-EMPH VIDEO MIX CLOCK DATA C SYNC Y/C VIDEO OSD VIDEO V. OUT BUFFER JK 301 A. OUT JACK COLOR V.H S/W ROTARY V. OUT 2) REC Mode 76 A. IN JACK ALC 2) REC Mode 71 72 61 51 52 54 57 59 IC 301 LA71570 M LINE AMP IC301 AUDIO BPF COMB AMP CCD LPF C. COMB BPF1 Y DELAY 46 45 43 41 YNR SP REC A. OUT 96 MUTE AUTO BIAS 98 REC AMP 7 (TO DRUM) 90 + DETAIL ENH REC FM EQ NL EMPH Y-LPF 38 FBC S/W 32 AGC 31 30 AUDIO HEAD JK 301 V. IN 99 FM MOD 10 11 W/D CLIP 18 19 23 24 28 29 REC 'H' PB/REC S/W 5 BIAS OSC 2 MAIN EMPH COLOR ROTARY V. II S/W CLOCK C. SYNC DATA REC 'H' Y/C VIDEO 3-17 3-18

File name SR1037_3.PDF

4. SYSTEM BLOCK DIAGRAM I - LIMIT 78 TO/ FROM DECK 5.3VA TO/ FROM AVCP/SECAM 25 26 31 32 38 39 40 61 80 81 12 24 27 28 45 43 MODE S/W MS501 CAP. REV 'H' V. ENV DRUM PWM DRUM ADJ CAP. PWM V.H/SW30 CTL + CTL DFG CFG C.ROTARY 77 MODE S1 76 MODE S2 75 MODE S3 74 MODE S4 CAP. ADJ D.V.Sync C.Vout C.Vin DPG 54 C. SYNC OSD 'H' REC START 'H' SECAM DET 'H' 59 79 7 85 L/D MOTOR 12V PML01 LD LD + 2 1 IC502 7 Vcc 1 8 Vcc 2 6 IN 2 R526 19 LD (-) SE / MES 'H' A. MUTE 'H' CLK 20 LD (+) 62 90 91 IN 1 5 4 R525 M C529 10 OUT 2 2 OUT 1 1 GND DATA V ref CHAR. OSC 51 DOSC OUT 50 DOSC IN REC LED 95 LP / EP LED 96 PLAY LED 97 PM901,902 P9M01, M02 LED ZD501 X501 10MHz OSC 72 OSC1 73 OSC2 53 4fsc in 5.3VA R550 R551 CST IN LED 98 ES501 X503 17,73447MHz OSC C534 IC501 GMS3974 STAND-BY LED 99 52 4fsc out LD501 DECK IR LED T-UP END ES502 R557 C536 R5C5 + 1 T-UP SENSOR R5C7 R564 + C535 C537 3 SUP SENSOR KEY RTN 0 13 KEY RTN 1 14 Q522 Vcc (OSD) 42 KEY SW KEY SW R552 R553 RS501 SUP END R560 4 T-UP Reel C504 + C503 R516 Q514 R554 R556 C538 ZD502 Vss (SERVO) Vcc (SERVO) R559 R555 Vss (A/D) Vss (SYSCON) + REG 9V C531 T-UP REEL Vcc (A /D) Vcc (SYS) RS502 Vss (OSD) IC504 GND 16 3 5 SUP Reel SUP REEL R558 C539 Q515 RESET Vcc 1 2 8 CST IN 82 2 33 49 71 15 41 22 R/C CST. TAB SW. R544 5 PM901 ZD503 C516 ZD506 ZD507 R/C ZD504 ZD505 C521 C500 C505 L502 + C506 5.3VA CS501 R548 C552 R5C6 1 P9M01 + 5.3VA C501 + C561 3-19 3-20