Recorder Audio Circuit - Hitachi DV-W1U Service Manual
Dvd player-cd recorder
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Also See for DV-W1U:
- Instruction manual (67 pages) ,
- Owner's manual (66 pages) ,
- Service manual (35 pages)
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3-3. RECORDER AUDIO CIRCUIT
CHECK C3515, C3516, C1503, C1504,
R3517, R3518, R1579, R1580
1 - 6
NO SOUND
ARE THERE SIGNALS
AT PG1304 pins 1, 3?
Yes
ARE IC1512 pins 6, 12
AND IC1513 pins 6, 12
0V?
Yes
ARE THERE SIGNALS
AT IC1507 pins 5, 10
AND IC1508 pins
5, 10?
Yes
ARE THERE SIGNALS
AT IC1507 pins 7, 8
AND IC1508 pins 7, 8?
Yes
No
BREAKDOWN CRD-RA1
No
CHECK Q3510, Q3511 AND Q3512
No
CHECK IC1512 AND IC1513
CHECK IC1507, IC1508,
No
D3301, D1302, Q3543, Q3544,
Q1310, Q1311, Q3505, Q3506,
Q1312, Q1313, ZD3501, ZD1303
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