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8.3.
TIMER SECTION IN MAIN SCHEMATIC DIAGRAM
P
:TO POWER TRANSFORMER SECTION
R
:TO POWER SUPPLY/RF SECTION
S
:TO SYSTEM CONTROL & SERVO SECTION
F
R
HEATER (+)
P
HEATER DC (-)
E
R
FIP -29V
D
S
S.DATA
S
S.CLOCK
S
FIP CS
S
SAFETY TAB
L
C
S
POWER SW
S
IR
R
N.SW 5V
R
GND
B
S
P.FAIL
L
L
S
RESET
A
S
BACK UP 5V
1
R7507
56
R7508
56
C7501
0.01
D7501
C7502
MA4220NM
50V10
SAFETY
TAB
POWER
S7507
K0C111A00003
S7506
EVQPC005B
R7521
22K
IC7504
C0EBH0000218
(RESET)
5.2
1
RST
5
5.2
2
VDD
C7511
3
VSS
4
0.1
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE ON THIS DIAGRAM IS STOP MODE.
2
DP7501
A2BD00000040
EXT
F+
F+
P1
P2
P3
1
2
5
6
7
R7511
R7510
820
820
R7509
75
36
35
IC7501
M35502AFP
1
2
IC7502
PNA4618M08V
(IR RECEIVER)
1
2
3
5.2
5.2
C7510
0.01
R7535
10K
D7503
RB441PT-77
3
S-VHS
VCR
Link
REC
ENR
N
P4
P5
P6
P7
P8
NC
P9
P10
P11
8
9
10
11
12
13
14
15
34
33
32
31
30
29
28
27
3
4
5
6
7
8
9
10
C7503
12P
IC7503
C7504
C0EBE0000211
6V100
(RESET)
4.9
4.4
1
OUT
CD
5
4.9
C7509
2
VDD
6800P
0
3
GND
4
R7534
C7507
180
VCE0073
C7508
6V220
NOTE:DO NOT USE PAR
4
5
ET
CH
R
P12
P13
P14
P
16
17
18
19
2
26
25
24
23
2
11
12
13
14
1
ORDERING.WHEN
33
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