Zenith H27G48S, Service Manual

Page: 55 / 66

RGB PREAMP
1 2 3 4 5 6 7 8 9 10
G
D
C
B
E
F
A
6-18
CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X” IN THEIR
COMPONENTS DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED. ALL COMPONENTS WITH “M” IN THE DESIGNATOR
ARE A SURFACE MOUNTED COMPONENT.
3828VD0171E FCS 48 SERIES SHEET 18
B - OUT
G- OUT
R- OUT
G- REF
R- REF
B - REF
+ 5 V
+ 5 V
VID
+ 8
1
2
C 5 114
5 0 V
4 7 µ F
C M5 10 9
5 0 V
4 7 0 0 pF
C M5 110
5 0 V
4 7 0 0 pF
C M5 111
5 0 V
4 7 0 0 pF
C M5 112
2 5 V
0 .1
1
2
C M5 113
2 5 V
0 .1
C M5 115
2 5 V
0 .1
1 2
C M5 116
2 5 V
0 .1
C M5 117
2 5 V
0 .1
C M5 13 0
2 5 V
PROV
C M5 13 1
2 5 V
PROV
C M5 13 2
2 5 V
PROV
C M5 13 3
2 5 V
PROV
1
2
C 5 13 6
5 0 V
8 pF
2
C 5 13 4
5 0 V
8 pF
R
G
B
1
2
3
4
5
8
7
6
C N9C 2
3 6 6 - 9 2 1G
SDA 2
SC L2
R- OSD
G- OSD
B - OSD
FB - OSD
1
2
3
4
5
8
7
6
9
10
11
12
C N9C 3
3 6 6 - 9 2 1L
1
2
3
4
H- FB P- VDO
C LA MP
A B L
1
2
3
4
C N9C 4
1
3 6 6 - 9 2 1C
D5 10 4
PROV
1
2
3
4
5
6
7
8
9
10
11
12
2 4
2 3
2 2
2 1
2 0
19
18
17
16
15
13
14
SC L
GND
VP1
VoG
LIM
C L1
VP2
FB / RB
VinR
VP
VinG
GND
VinB
HFB
SDA
VoB
FB / RG
FB / RR
VoR
B - OSD
G- OSD
R- OSD
FB L
VP3
IC 5101
TDA4 8 8 6
NEW
1 2
L5 10 2
10 µ H
1
2
R5 13 6
10 K
R5 13 1
10 0
R5 13
10 0
1 2
R5 13 7
12 K
1 2
R5 13 8
15 0
1
2
R5 13 9
10 K
1 2
R5 14 0
2 7 0 K
1 2
R5 14 1
2 7 0 K
R5 15 0
12 K
R5 15 1
15 0
R5 15 2
10 K
1 2
R5 15 3
12 K
1 2
RM5 10 3
3 K
1 2
RM5 10 4
3 K
1 2
R5 15 4
1.5 K
1/ 2 W
1 2
RM5 10 5
3 K
1
2
RM5 113
3 K
1
2
RM5 114
3 K
1
2
RM5 115
3 K
1 2
RM5 116
10 0
RM5 117
10 0
RM5 11
10 0
RM5 11
10 0
RM5 15 8
2 .2 K
1 2
R5 12 1
10 0
1
2
C 5 13 5
5 0 V
8 pF
1 2
RM5 13 0
PROV
1
2
RM5 15 5
PROV
1
2
RM5 15 6
PROV
1
2
RM5 15 7
PROV
1 2
R5 12 0
2 7 0 K
1
2
C 5 118
16 V
10 µ F
TO SMA LL
SIGNA L
B OA RD
TO SMA LL
SIGNA L
B OA RD
TO SMA LL
SIGNA L
B OA RD
31
W
F
WF
30
WF30
4.88V WF31
5.6V
SHT. 6-20
SHT. 6-20
SHT. 6-20
SHT. 6-20
SHT. 6-20
SHT. 6-20