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7-8
OSD PICTURE
MISSING
2fsc IN
IC6P01-2
STB, CLK, DATA
IC6P01-9, 10, 11
OSC IN
IC6P01-6
CHANGE IC6P01
CHECK IC6P01
CHECK L6P05, C6P04, C6P05
YES
NO
YES
YES
NO
(VCR Section)
PACE VCR IN STOP MODE
BLUE MISSING IN
STOP MODE
CHANGE IC601
SELECT LINE
MODE WITHOUT
INPUT SIGNAL
IC601-72 "H"
CHECK IC6P01-8 TO IC601-72
NO
YES
YES
CHECK IC6P01
IC6P01-9, 10, 11
(STB, CLK, DATA)
CHECK IC601-6, 7, 8
NO
YES
IC6P01-8 "H"
(SYNC JUDGE)
VIDEO SIGNAL
IC6P01-19
NO
CHECK OSD VIDEO IN LINE
YES
YES
NO
(VCR Section)
7-9
(VCR Section)
VCR STOP MODE
AUDIO MISSING IN
EE MODE
IC501-7, 6, 9
AUDIO
SIGNAL INPUT
INPUT CHOICE
MODE
CHECK TUNER
AND IC4N01
CHECK IC601
CHECK
R517, R518 R519, R510
LINE
NO
NO
CHANGE IC501
NO
CHECK
C851, C852
L803, L804
TUNER
YES
YES
YES
YES
IC501-78, 80
AUDIO SIGNAL
CHECK
IC501-38, 39
(CLK, DATA)
IC501-51, 53
AUDIO SIGNAL
INPUT
IC801-1, 3
AUDIO SIGNAL
YES
NO
(VCR Section)
CHECK IC802
NO
MISSING AUDIO
IC501-7, 69
AUDIO SIGNAL
IC501-26
AUDIO FM
CHECK CYLINDER
CHANGE
IC501
R503, C513
CHANGE IC501
CHECK
AUDIO MISSING
IN EE MODE
AUDIO MISSING IN
REC MODE
MONO
HIFI
MONO
NO
NO
YES
YES
(VCR Section)
7-10
CHECK
Q3A02, Q3A03, Q3A06
CHECK
R3A04
CHANGE
IC301
IC301-15
AUDIO SIGNAL
IC501-4
AUDIO SIGNAL
NO
NO
NO
IC301-68, 69
CHECK (CLOCK, DATA)
CHECK
C523, R511, J905
YES
NO
NO
NO
YES
YES
YES
YES
YES
YES
CHECK
IC301-12, 14 AND CHANGE IC301
CHANGE IC501
IC301-10
AUDIO SIGNAL
IC301-100
AUDIO FM SIGNAL
IC301-5
MIX SIGNAL
(AUDIO
+ 70KHz)
CN3A01-4
OSCILLATION
NO
CHECK AUDIO MISSING
IN PB MODE
CHECK
PB MODE
CHECK
A/CE HEAD
MONO
NO
CHECK "AUDIO
MISSING IN EE MODE"
PLACE THE VCR IN PB MODE
CHANGE
IC501
AUDIO MISSING
IN PB MODE
CHECK L3A01, R3A25
CHANG IC301
CHECK ACE HEAD
C3A16 AND CHANGE IC301
AUDIO SELECT
IC501-78, 80
AUDIO FM (MIXED)
CHECK
IC501-40 (A.H D SW)
CHANGE CYLINDER OR
IC501
NO
HIFI
MONO
YES
IC301-5
AUDIO SIGNAL
NO
YES
(VCR Section)
7-11
PLAY
NO SERVO LOCK
IC601-93
C-FG
IC601-87
CTL PULSE
CHECK
CTL PULSE AC
LEVEL (SP. SLP:
OVER 1Vp-p)
CHANGE
IC601
CHECK
A/CE HEAD
CHECK
CN604-1
NO
NO
NO
YES
YES
YES
(VCR Section)
CAPSTAN DOES
NOT ROTATE
PLACE THE VCR
IN PLAY MODE
CN604-2
15V
CN604-3
PC 5V
CN604-9
3.2V
CN604-5
2.6V
CN601-3
OUTPUT(PWM)
IC601-10
OUTPUT(PWM)
CHECK
CAPSTAN MOTOR
CHECK
R660
CHECK R609
CHANGE
IC601
CHECK
IC601
CHECK
B+ IN THE POWER BLOCK
CHECK PC5V
5V AT LINE
IN THE POWER BLOCK
NO
NO
NO
NO
YES
NO
YES
NO
YES
YES
YES
YES
(VCR Section)
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