Zenith C27A25, Service Manual

Page: 56 / 59

CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X“ IN THEIR
COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.
ALL SYMBOLS WITH “M” ON END OF DESIGNATOR
INDICATE SURFACE MOUNTED COMPONENT
A
B
C
D
E
F
G
1 2 3 4 5 6 7 8 9 10
6-9 XC SHEET 9 CM154
Comb Filter Module
E
B
C
E
B
C
E
B
C
E
B
C
E
B
C
E
B
C
E
B
C
16
15
14
13
12
11
10
9 8
7
6
5
4
3
2
1
+9V
SW
+9V
SW
+5V
SWA
G-12
SHT.7
Y-COMB
16V
47uF
SWA
+5V
+5V
SWD
16V
47uF
100uH
TUNE
+5V
10uH
16V
4.7uF
10uH
0.01uF
0.01uF
0.01uF
180pF
100uH
10uH
820
0.01uF
0.01uF
0.01uF
0.01uF
SWA
+9V
16V
47uF
+5V
SWA
+5V
SWD
SWA
+9V
SWB
+9V
SWF
+9V
16V
4.7uF
15uH
PRO V
5.6K
18uH
100
3.3K
1.8K
SWF
+9V
0
PRO V 1.2K
0.01uF
47pF
56K
50V
1uF
SWA
+9V
.0047uF
1.2K
22K
100
G-12
SHT.7
C-COMB
E-1
SHT.5
FSC
SWB
+9V
100
100
1K
1K
22K
1.5K
47
50V
10uF
PRO V
1.5K
6.2K
SWA
+9V
50V
18pF
SWF
+9V
33pF
18uH
47K
56pF
2.2K
33uF
56K 3.3K
22K
.01uF
50V
50V
10uF
27pF
50V
12pF
27pF
SWF
+9V
1K
1K
100
22K
1.5K
3.3K
50V
10uF
4.7K
120pF
AVDD
YOUT
BIAS2
COUT
BIAS3
VFIL
CUIN
DVSS DVDD
UIHER
TEST
BIAS1
ADIN
VRT
VRB
AVSS
221-1449
G-12
SHT.7
CV-COMB
SW
+9V
C2409 C2425
L2403 L2409
C2436
L2408
C2418M
C2416M
C2417M
C2415M
L2402
L2406
R2417M
C2404M
C2405M
C2407M
C2408M
C2438 C2439
L2407
C2440M
R2407M
L2401
R2418M
R2411M
R2409M
C2436M R2431M
C2412M
C2411M
R2412M
C2410
C2420M
R2435M
R2434M
R2419M
Q2401
R2426M
R2424M
R2421M
R2425M
R2410M
R2415M
R2408M
Q2406
C2422
C2400M
R2406M
R2413M
C2435M
Q2404
Q2403
Q2405
C2421M
L2400
R2430M
C2419M
R2429M
L2404
R2427M R2428M
R2420M
C2424M
Q2402
C2434
C2402M
C2401M
C2403M
R2404M
R2402M
R2403M
R2401M
R2400M
Q2400
R2405M
C2406
R2414M
C2413M
IC2400
121-1310A
121-1310A
121-1310A
121-1310A
121-1310A
121-1310A
121-1310A
This schematic applies to
the following XC models:
C27C35T(F)
C27C41T(F)
LGC29C35TM