LC-37SA1E/RU
4 – 3
No sound from external input devices (2)
No sound from an external input device connected to EXT1
(SCART1).
<EXT1>
Is IN1-L audio signal sent from pin (6) of SCART1 terminal
(J1101) to pin (14) of IC3002 (VCT)?
Is IN1-R audio signal sent from pin (2) of SCART1 terminal
(J1101) to pin (13) of IC3002 (VCT)?
NO
Check pins (6) and (2) of SCART1 and connection to an external
input device.
YES
Is the audio signal properly sent from pins (28) and (27) of
IC3002?
NO
Check IC3002 or peripheral circuits.
YES
Is the audio signal of pins (1) and (7) of IC303 (OP-AMP) sent
properly?
NO
Check IC303 or peripheral circuits.
YES
Is the audio output signal of pins (13) and (16) of IC302/IC301
(MAIN-AMP) normal?
NO
Check IC302/IC301 (MAIN-AMP), HEADPHONE and peripheral
circuits.
YES
Check CONNECTOR (P301) and Speaker (right and left).
No sound from external input devices (2)
No sound from an external input device connected to EXT2
(SCART2).
<EXT2>
Is IN2-L audio signal sent from pin (27) of SCART2 terminal
(J1101) to pin (12) of IC3002 (VCT)?
Is IN2-R audio signal sent from pin (23) of SCART2 terminal
(J1101) to pin (11) of IC3002 (VCT)?
NO
Check pins (27) and (23) of SCART2 and connection to an
external input device.
YES
Is the audio signal properly sent from pins (28) and (27) of
IC3002?
NO
Check IC3002 or peripheral circuits.
YES
Is the audio signal of pins (1) and (7) of IC303 (OP-AMP) sent
properly?
NO
Check IC303 or peripheral circuits.
YES
Is the audio output signal of pins (13) and (16) of IC302/IC301
(MAIN-AMP) normal?
NO
Check IC302/IC301 (MAIN-AMP), HEADPHONE and peripheral
circuits.
YES
Check CONNECTOR (P301) and Speaker (right and left).
Содержание LC-37SD1E
Страница 4: ...LC 37SD1E RU 1 1 LC 37SD1E Service Manual CHAPTER 1 OPERATION MANUAL 1 SPECIFICATIONS ...
Страница 5: ...LC 37SD1E RU 1 2 2 OPERATION MANUAL ...
Страница 6: ...LC 37SD1E RU 1 3 ...
Страница 7: ...LC 37SD1E RU 1 4 ...
Страница 8: ...LC 37SD1E RU 1 5 ...
Страница 9: ...LC 37SD1E RU 1 6 ...
Страница 10: ...LC 37SD1E RU 1 7 3 DIMENSIONS ...
Страница 20: ...LC 37SD1E RU 3 5 1 Select Serial COM X O K 2 Select Terminal 3 Choose the same options as the above picture ...
Страница 68: ...LC 37SA1E RU 5 3 2 Detailed ICs Information 2 1 IC1905 VHISII9021 1Q 2 1 1 Block Diagram ...
Страница 82: ...LC 37SA1E RU 5 17 7 VIN I VIN Terminal 8 Collector I Collector Terminal Pin No Pin Name I O Pin Function ...
Страница 85: ...LC 37SA1E RU 6 2 ...
Страница 86: ...LC 37SA1E RU 6 3 2 BLOCK DIAGRAM MAIN Unit 1 LC 26SD1E ...
Страница 87: ...LC 37SA1E RU 6 4 ...
Страница 88: ...LC 37SA1E RU 6 5 3 POWER BLOCK DIAGRAM POWER BLOCK DIAGRAM ...
Страница 89: ...LC 37SA1E RU 6 6 ...
Страница 92: ...LC 37SA1E RU 7 3 3 AV UNIT PRINTED WIRING BOARD 1 2 3 4 5 6 7 9 10 8 J A B C D E F G H I AV Unit SIDE A ...
Страница 93: ...LC 37SA1E RU 7 4 11 13 12 14 15 16 18 19 17 ...
Страница 96: ...LC 37SA1E RU 7 7 1 2 3 4 5 6 7 9 10 8 J A B C D E F G H I AV Unit SIDE B ...
Страница 97: ...LC 37SA1E RU 7 8 11 13 12 14 15 16 18 19 17 ...
Страница 98: ...LC 37SA1E RU 7 9 4 POWER UNIT PRINTED WIRING BOARD POWER Unit ...
Страница 99: ...LC 37SA1E RU 7 10 ...
Страница 104: ...LC 37SA1E RU 7 15 6 DIGITAL UNIT PRINTED WIRING BOARD 1 2 3 4 5 6 7 9 10 8 J A B C D E F G H I DIGITAL Unit SIDE A ...
Страница 105: ...LC 37SA1E RU 7 16 11 13 12 14 15 16 18 19 17 ...
Страница 108: ...LC 37SA1E RU 7 19 1 2 3 4 5 6 7 9 10 8 J A B C D E F G H I DIGITAL Unit SIDE B ...
Страница 109: ...LC 37SA1E RU 7 20 11 13 12 14 15 16 18 19 17 ...
Страница 112: ...LC 37SA1E RU 7 23 M E M O ...
Страница 114: ...LC 37SA1E RU 8 2 2 SCHEMATIC DIAGRAM 1 2 3 4 5 6 7 9 10 8 J A B C D E F G H I MAIN Unit 1 ...
Страница 115: ...LC 37SA1E RU 8 3 11 13 12 14 15 16 18 19 17 ...
Страница 116: ...LC 37SA1E RU 8 4 1 2 3 4 5 6 7 9 10 8 J A B C D E F G H I MAIN Unit 2 ...
Страница 117: ...LC 37SA1E RU 8 5 11 13 12 14 15 16 18 19 17 ...
Страница 118: ...LC 37SA1E RU 8 6 1 2 3 4 5 6 7 9 10 8 J A B C D E F G H I MAIN Unit 3 ...
Страница 119: ...LC 37SA1E RU 8 7 11 13 12 14 15 16 18 19 17 ...
Страница 120: ...LC 37SA1E RU 8 8 1 2 3 4 5 6 7 9 10 8 J A B C D E F G H I MAIN Unit 5 ...
Страница 121: ...LC 37SA1E RU 8 9 11 13 12 14 15 16 18 19 17 ...
Страница 122: ...LC 37SA1E RU 8 10 1 2 3 4 5 6 7 9 10 8 J A B C D E F G H I MAIN Unit 6 ...
Страница 123: ...LC 37SA1E RU 8 11 11 13 12 14 15 16 18 19 17 ...
Страница 124: ...LC 37SA1E RU 8 12 1 2 3 4 5 6 7 9 10 8 J A B C D E F G H I AV Unit ...
Страница 125: ...LC 37SA1E RU 8 13 11 13 12 14 15 16 18 19 17 ...
Страница 126: ...LC 37SA1E RU 8 14 ع POWER Unit ...
Страница 127: ...LC 37SA1E RU 8 15 ...
Страница 128: ...LC 37SA1E RU 8 16 1 2 3 4 5 6 7 9 10 8 J A B C D E F G H I D TUNER Unit ...
Страница 129: ...LC 37SA1E RU 8 17 11 13 12 14 15 16 18 19 17 AND SHADED COMPONENTS SAFETY RELATED PARTS ...
Страница 130: ...LC 37SA1E RU 8 18 1 2 3 4 5 6 7 9 10 8 J A B C D E F G H I DIGITAL Unit 1 ...
Страница 131: ...LC 37SA1E RU 8 19 11 13 12 14 15 16 18 19 17 ...
Страница 132: ...LC 37SA1E RU 8 20 1 2 3 4 5 6 7 9 10 8 J A B C D E F G H I DIGITAL Unit 2 ...
Страница 133: ...LC 37SA1E RU 8 21 11 13 12 14 15 16 18 19 17 ...
Страница 134: ...LC 37SA1E RU 8 22 1 2 3 4 5 6 7 9 10 8 J A B C D E F G H I DIGITAL Unit 3 ...
Страница 135: ...LC 37SA1E RU 8 23 11 13 12 14 15 16 18 19 17 ...
Страница 136: ...LC 37SA1E RU 8 24 1 2 3 4 5 6 7 9 10 8 J A B C D E F G H I DIGITAL Unit 4 ...
Страница 137: ...LC 37SA1E RU 8 25 11 13 12 14 15 16 18 19 17 ...
Страница 138: ...LC 37SA1E RU 8 26 1 2 3 4 5 6 7 9 10 8 J A B C D E F G H I OPERATION Unit ...
Страница 139: ...LC 37SA1E RU 8 27 11 13 12 14 15 16 18 19 17 ...
Страница 140: ...LC 37SA1E RU 8 28 1 2 3 4 5 6 7 9 10 8 J A B C D E F G H I R C LED Unit ...
Страница 141: ...LC 37SA1E RU 8 29 11 13 12 14 15 16 18 19 17 ...
Страница 142: ...LC 37SA1E RU 8 30 M E M O ...
Страница 168: ...LC 37SA1E RU 26 12 PACKING PARTS S1 S2 S2 S6 S3 S9 S2 S4 S5 S2 ...