Power Supply - Zenith H27G48S Service Manual

Service manual
Table of Contents

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1
2
G
PDD
SHT. 6-10
CN2B 1
F
3 6 6 - 9 2 1N
TP1
1
1
2
3
4
5
6
7
8
9
E
10
11
12
13
14
TO LARGE SIGNAL
MODULE
D
C
CN2A1
3 6 6 - 9 2 1E
1
2
3
4
5
6
TO LARGE SIGNAL
B
MODULE
CN2C1
3 6 6 - 9 2 1D
1
1
2
3
4
5
TO LARGE SIGNAL
A
MODULE
CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER "X" IN THEIR
3828VD0171E
COMPONENTS DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.
3
4
RX3 9 2 0
2 .2 K
RX3 8 2 3
3 .3
2 W
C X3 8 2 9
4 7 µ F
16 V
TILT CIRCUIT
+ 12
TLT
RX3 8 2 4
+ 12 TLT
15
+ 3 3
LX3 8 21
2 W
TNR
2 7 µ H
RX3 8 2 5
C X3 8 2 1
+ 3 3 TNR
4 7 0 µ F
15
16 V
2 W
LX3 8 22
RX3 8 2 7
S
F
8 2 µ H
6 .2
15 0 - C 0 2 F
7 W
C X3 8 2 2
C X3 8 2 6
0 .1
2 2 0 0 µ F
5 0 V
16 V
LX3 8 23
RX3 8 2 6
2 7 µ H
3 .3
2 W
C X3 8 2 3
C X3 8 2 7
C X3 8 3 1
0 .1
10 0 0 µ F
4 7 µ F
5 0 V
16 V
16 V
LX3 8 24
S
F
8 2 µ H
C X3 8 2 8
C X3 8 2 4
15 0 - C 0 2 F
LSP SUPPLY
+ 12
2 2 0 0 µ F
0 .1
LSP
16 V
5 0 V
LX3 8 20
+ 12 LSP
S
F
8 2 µ H
15 0 - C 0 2 F
C X3 8 2 0
C X3 8 2 5
0 .1
2 2 0 0 µ F
5 0 V
16 V
+ 9 V
AV
C N2 P6
+ 2 2
3 6 6 - 9 2 1B
AMP
1
+ 2 2 A MP
1
LX3 8 70
S
F
2
8 2 µ H
15 0 - C 0 2 F
3
C X3 8 7 1
C X3 8 7 0
2 2 0 0 µ F
0 .1
3 5 V
5 0 V
GND AUDIO

Power Supply

5
6
IC X3 8 2 0
4 9 2 1V0 0 16 3 A
CXA2069, CXA250Q
+ 9 V
+ 8 V
MSP3435
0 IMC RKE0 02 A
AV
AUD
4 0 8 - 0 0 2 F
+ 9 VA V
DX3 8 2 1
+ 8 VA UD
RX3 8 3 9
IN
OUT
9 V
5 .6
0 DRGF0 0 104 A
C TL
GND
C X3 8 3 5
1/ 2 W
C X3 8 4 0
GUF10 J
KIA7 8 R0 9 PI
10 0 0 µ F
4 7 0 µ F
16 V
16 V
RX3 8 3 2
6 8 0
IC X3 8 2 1
4 9 2 1- NEW
+ 5 V
CXA2150Q & MSP3425G
0 IKE7 8 0 5 0 0 1
AV
4 9 2 0 V0 0 0 2 2
IC X3 8 2 2
IC X3 8 2 3
IC X3 8 2 2
IC X3 8 2 3
KIA7 8 R0 5 PI
+ 5 VAV
IN
OUT
5 V
C X3 8 3 6
C X3 8 3 0
C TL
GND
10 0 0 µ F
4 7 µ F
16 V
16 V
RX3 8 3 3
6 8 0
IC X3 8 2 2
4 9 2 1- NEW
0 IKE7 8 0 5 0 0 1
+ 5 V
TUNER, SWITHER1(BA7657F) & SWITCHER2(BA7657F)
4 9 2 0 V0 0 0 2 2
TNR
KIA7 8 R0 5 PI
IN
IC X3 8 2 1
OUT
+ 5 VTNR
5 V
C TL
GND
IC X3 8 2 3
IC X3 8 2 2
C X3 8 3 8
IC X3 8 2 3
C X3 8 3 2
10 0 0 µ F
4 7 µ F
16 V
16 V
RX3 8 3 5
6 8 0
IC X3 8 2 3
4 9 2 1- NEW
0 IKE7 8 0 5 0 0 1
+ 5 V
µ P & RESET
UP
4 9 2 0 V0 0 0 2 2
KIA7 8 R0 5 PI
+ 5 VUP
IN
OUT
IC X3 8 2 1
5 V
C TL
GND
IC X3 8 2 2
IC X3 8 2 3
IC X3 8 2 2
C X3 8 3 7
4 7 0 µ F
RX3 8 3 4
16 V
4 .7 K
IC X3 8 2 4
+ 3.3
0 IPMGKE0 0 6 B
VPS9405B
SC B
KIA7 8 R3 3 PI
+ 3 .3 SC B
RX3 8 2 8
IN
OUT
6 8
3.3V
C TL
GND
C X3 8 3 9
2 W
C X3 8 3 3
4 7 0 µ F
4 7 µ F
16 V
16 V
RX3 8 3 6
6 8 0
IC X3 8 2 5
4 9 2 1- NEW
LD10 8 6 V18
QX3 8 2 1
0 IMC RSG0 11A
0 TR10 4 6 00 AB
4 0 8 - 0 0 4
KTA10 4 6 YU
RX3 8 3 7
RX3 8 3 8
IN
OUT
1.8 V
E
C
5 .6
5 .6
GND
7 W
7 W
C X3 8 3 4
B
4 7 µ F
RX3 8 2 9
16 V
4 .7 K
RX3 8 3 0
2 7 0
1/ 2 W
C
QX3 8 2 2
B
RX3 8 3 1
0 TR3 2 2 8 0 9 AA
4 .7 K
KTC 3 2 2 8 - 0
E
ALL COMPONENTS WITH "M" IN THE DESIGNATOR
6-11
ARE A SURFACE MOUNTED COMPONENT.
7
8
+ 5 V
UP
DX3 8 2 0
0 DRGF0 0 104 A
GUF10 J
C
QX3 8 2 0
0 TR3 2 2 8 0 9 AA
RX3 8 2 1
B
KTC 3 2 2 8 - 0
6 8 0
E
RX3 8 2 0
2 7 0
1/ 2 W
RX3 8 2 2
15 0
2 W
+ 1.8
VPS9405B
SC B
+ 1.8 SC B
C X3 8 4 2
10 0 0 µ F
16 V
9
10
DEG- C TRL
SHT. 6-10
POWER- C TRL
SHT. 6-10
FCS 48 SERIES SHEET 11

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