Service manual

Troubleshooting
5-10 Samsung Electronics
CHECK OSC BLOCK CHECK R3A04 CHECK R3A37, R3A22, C3A02 CHECK IC301
IC301-78
AUDIO SIGNAL
IC501-53
AUDIO SIGNAL
NO
NO
NO
NO
CHECK Q3A06-BASE REC "H" CHECK R3A32, R3A28 C3A24
YES
NO
NO
NO
YES YES YES YES YES YES YES
CHECK IC301-77 AND CHANGE IC301
CHANGE IC501
IC301-96
AUDIO SIGNAL
IC301-98
AUDIO SIGNAL
IC301-7
AUDIO SIGNAL
IC301-6
MIX SIGNAL
(AUDIO
+
70KHz)
FL3A01-6
OSCILLATION
NO
CHECK AUDIO MISSING IN PB MODE
CHECK PB MODE
CHECK A/CE HEAD
MONO
YES
MISSING AUDIO
IC501-52, 61
AUDIO SIGNAL
IC501-27
AUDIO FM
IC501-26
AUDIO FM
IC801-27, 32
AUDIO SIGNAL
CHECK CYLINDER
CHECK IC501
CHECK C861, C863, R510, R518 CHECK R504, CHANGE IC501
CHECK IC801
CHECK AUDIO MISSING IN EE MODE
AUDIO MISSING IN
REC MODE
MONO
HIFI
MONO
NONO
YES
NO NO
YES YES YES
IC501-22.25:5V
CHECK PC 5V LINE
NO
YES
(VCR Section)