Zenith H27G48S Service Manual page 41

Service manual
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1
2
G
F
C 2 7 3 3
H- SYNC - SC AN
0 .4 7
E
5 0 V
C 2 7 3 4
V- SYNC - SC AN
0 .4 7
5 0 V
D
H- SYNC - FRONT
V- SYNC - FRONT
C
HORZ- YUV
B
VERT- YUV
A
CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER "X" IN THEIR
3828VD0171E
COMPONENTS DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.
3
4
R2 7 3 1
10 0
37
R2 7 3 2
IN1_ V/ L2
10 0
38
IN1_ L3
39
+ 5 V
IN1_ SW
TNR
L2 7 0 4
40
Vcc1
10 0 µ H
C M27 5 9
41
C 2 7 58
0 .1
IN2_ 1
10 0µ F
50 V
16 V
42
IN2_ 2
43
IN2_ 3
44
IN2_ H/ L1
45
IN2_ V/ L2
46
IN2_ L3
47
IN2_ SW
48
GND1
1
13
C 2 7 6 1
RM2 7 58
0 .47
10 0
5 0 V
C 2 7 6 2
RM27 5 9
0 .4 7
10 0
WF
5 0V
14
Video Sync Processor
5
6
RM2 7 5 6
10 0
RM2 75 5
10 0
+ 5 V
TNR
L27 0 3
4 7 µ H
C 2 7 5 6
C M2 7 5 7
4 7 µ F
0 .1
2 5 V
5 0 V
RM27 5 7
7 5
36 35
34
33
32 31 30 29 28 27 26 25
GND2
24
RM2 7 54
SELVOUT
23
SELHOUT
22
NC
21
EXTC LK/ XTAL
20
NC
19
ICM2700
IREF
0 IMC RSO0 08 A
18
C XA215 1Q
NC
17
YGIN
16
YGOUT
15
V_ PH
14
H_ PH
13
2
3
4
5
6
7
8
9
10
11
12
L2 7 0 2
4 7 µ H
C 27 5 0
C M2 75 1
4 7µ F
0 .1
2 5V
5 0 V
ALL COMPONENTS WITH "M" IN THE DESIGNATOR
6-4
ARE A SURFACE MOUNTED COMPONENT.
7
8
10 0
RM2 7 5 3
10 0
C RY270 0
2 2 4- 2 32 - 1
4 .0 2 7 9 7Mhz
C SB 4 5 6 F16
C M2 75 5
10 0 PF
5 0 V
RM2 7 5 2
PROV
RM2 7 5 1
10 K
1%
C M2 7 5 4
0 .1
5 0V
RM2 7 5 0
0 .1
C 2 75 3
1µ F
5 0V
C M2 7 5 2
0 .0 1
5 0 V
WF13
+ 5 V
TNR
3.36V
WF14
3.36V
9
10
SDA2
SC L2
15
VERT- SW
SHT. 6-3
SELH- OUT
SHT. 6-3
WF
16
WF15
3.96V
WF16
2.88V
FCS 48 SERIES SHEET 4

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