Zenith XBV243 Service Manual page 26

TROUBLESHOOTING (CONTINUED)
( C )
Hi-Fi REC.
YES
It is impossible to record Hi-Fi Audio
signal.
YES
Check Vcc of IC801.(Pins34, 40)
YES
Check IC801 Pin42(Data), Pin43(CLOCK).
YES
Do Audio signals appear at IC801
Pins16, 17?
YES
Do FM Audio signals appear at IC801
Pin36?
YES
Check the Contact Point of Drum
Connector if good then Replace the Drum.
VR168 - 923-03485
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ELECTRICAL
NO
NO
NO
N O
3-14
Check Power.
Check ports of µ-CPM.
Check Audio input signal of IC801
Pins2, 3(TU.A.), 4, 5(DVD.A.),
6, 7(AVI.A.), 10, 11(AV2.A.)
Replace IC801.
D35E COMBO - ELECTRICAL