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A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
GND
B+
Vout
OS753
PIC-28143TH5
1
2
3
SW799
SKHVBED010
CH DOWN
SW797
SKHVBED010
VOL DOWN
SW798
SKHVBED010
CH UP
SW796
SKHVBED010
VOL UP
SW751
SKHVBED010
POWER ON/OFF
SW750
SKHVBED010
PLAY BACK
SW795
SKHVBED010
REC/OTR
SW791
SKHVBED010
STOP/EJECT
SW792
SKHVBED010
PLAY
SW793
SKHVBED010
FF/CUE
SW794
SKHVBED010
REW
C779
0.001
B
C781
0.001
B
C752
0.1
F
C751
100P
B
D792
EQ-552-F1T
POWER
W807
W817
W818
R776
1K
R777
1.5K
R780
2.7K
R760
820
R759
820
R771
1K
R772
1.5K
R794
270
R761
270
R758
270
R752
100
1/2W
R774
5.6K
R773
2.7K
R753
270
R754
270
D794
EQ-552-F1T
ON TIMER/ST-BY
D795
EM-553-F1T
PLAY BACK
D791
EQ-552-F1T
T-REC
D793
EQ-552-F1T
REC/OTR
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
C755
220
6.3V
KA
THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
NOTE:
L005
HF57T18.5*10*10
CD751_1
CH2A014A
1
10
2
3
4
5
6
7
8
9
I-2
FROM/TO 21PIN I/O
TEXA17
PCB030
(CP755)
OPERATION SCHEMATIC DIAGRAM
(OPERATION PCB)
OTPB/PLAY LED
AT+5V
0
5.1
5.1
REMOCON OUT
GND
POWER ON L
KEY A
T-REC LED
REC LED
KEY B
ON TIMER LED