System Circuit Diagram - Zenith ABV341 Series Service Manual

6. SYSTEM CIRCUIT DIAGRAM

µ-COM will not operate.
CLOCK SETTING will not operate.
X501 is defective.
Deck will not operate.
R575, R576, R577,
R578 are defective.
Auto stop occures.
RS501,RS502 are
Auto Rew will not working.
defective.
ES501, ES502, LD501 are
defective.
WAVEFORM
• Reset is defective.
• Set dead.
IC504 is defective.
8 4 5
7
2
3
IC501
M37762
1
X502 is defective.
0
6
14
1K
C542
680P
µ-COM is unstable.
Q501, Q503 are defective.
R545
0
FROM TO JACK
3-42 3-43
MTZ5.6B
MTZ5.6B
28
VCR LCD
29
DVD LED
NC
504
VCR will not operate.
IC505 is defective.
4 3 2 1
EEPROM
IC503
5 6 7 8
R502
R501
100
100
72 71 99
'02. 12. 04 R13732C