Audio Processor - Zenith C27A25 Service Manual

1 2
G
4.1
C1403M
4.1
0.015
F
16V
4.1
4.1
C1405M C1406M
0.022 0.01
4.1
16V 25V
4.1
4.1
E
4.1
LEFT-SW 4.1
SHT.7
RIGHT-SW 4.1
SHT.7
0.6
C1407
R1403M
0.7
1M
4.7uF
R1404M C1408
50V 4.1
3.9K
1uF
C1409
D 50V 1.7
10uF
C1413
50V 4.1
10%
LOW-LEAKAGE 10uF
25V 4.1
LOW-LEAKAGE C1414
1.7
3.3uF 10%
C1415
R1407M 50V 4.1
3K 0.047
50V C1416M
R1408M 4.0
3.3K
2700pF
C 50V
4.1
C1419
4.0
10uF
C1420
25V 3.7
4.7uF
50V 4.1
C1422
4.1
10uF
25V
B
This schematic applies to
the following XC models:
C27C35T(F)
C27C41T(F)
LGC29C35TM
A
CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER "X" IN THEIR
CM154
COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.
3 4
48 1 C1401M
4.1
BASSL2
BASSL1
0.015
47 16V C1402M
TRE-R 2 4.1
BASSR2
6800pF
46 3 C1404M 50V
TRE-L 4.1
BASSR1
6800pF
45 SURRIN 4 50V
4.1
SURRTC
44 5
SURROUT 4.1
TVOUT-L
43 6 4.1
LSOUT-R
TVOUT-R
42
LSOUT-L 7 4.1
AUX2-L
41 8
0
AUX2-R NC
40 9 R1401M
4.8
AUX1-L SDA
100
39 10 R1402M
4.8
AUX1-R SCL
100
C1426M C1427M
38 11
0 PROV PROV
VLTC DGND
50V 50V
37 12
0
VLDC SAD
36 13
4.1
MAININ R1405M
VCAWGT
1M
C1410
35 14
MAINOUT 4.0
VCATC C1411M
10uF
34 15
0 25V
5600pF
VCAIN NC
50V
33 16 C1412M
PCINT1 4.1 R1406M
VEOUT
100K 0.012
32 17 50V
PCINT2 3.9
VETC
C1417
31 18
5.3
PLINT
VEWGT
1uF
C1418
50V R1409M
30 19
COMPIN 4.1
VE
4.7uF 8.2K
C1421
29 20 50V
VGR 1.3
SAPIN
R1410M
10uF
10K
R1411M 50V
28 IREF 21 1.2
SAPOUT
61.9K
27 22 1%
0
GND
NOISETC
C1423
26 23 +9V
4.5
SAPTC
SW
STIN
4.7uF
25 24 50V
8.8
VCC
SUBOUT
C1425M
C1424
0.01uF
IC1400 100uF
25V
16V
221-1127

Audio Processor

5 6
C863 IC800
R864M
150 221-598-01
100uF
16V
C861
R861M
10K
10uF
C862M
R862M
50V
4700pF
2.2K
25V
*
C851
R851M C853
100uF
10K
10uF 16V
C852M R852M
50V
4700pF 2.2K
R854M
25V *
150
+15
ABL
R1500M
20K
C
B
Q150 0
121-1310A
E
C1500
R1501M
100uF
200K
25V
R1503M
470
5.4
C
R1502
B
Q 150 1
2.1 121-1310A
1K
E
C1501M
1.5
R1504M
0.01uF
100
50V
C1502
R1508M
R1505M
47uF
470
330
50V
5.4
C
R1507
B
Q 150 2
2.1 121-1310A
1K
E
1.5
C1504M
R1509M
0.01uF
100
50V
C1505
R1510M
47uF
330
50V
ALL SYMBOLS WITH "M" ON END OF DESIGNATOR
6-3
INDICATE SURFACE MOUNTED COMPONENT
7 8 9
R843
330
C843 +18
100uF VSW C
25V
B
E Q800
C841
C842M
121-1310A
1000uF
0.1
25V
50V
9S4
3 9 10
1
1
2
C865
2
5
470uF 3
6
C864M
25V
7 0.1
4 4
50V
R863
3.3
58-526-04
TO_TV
SPEAKERS
C855
470uF
25V
C854M
0.1
50V
R853
3.3
C1503
R1506
0.47uF 680
50V
C1506
R1511
0.47uF 680
50V
10
PWR-MUTE
SHT.4
VM-OUT-L
SHT.7
VM-OUT-R
SHT.7
SHT.4
SDA
SHT.7
SHT.10
SHT.4
SCL
SHT.5
SHT.7
SHT.10
COMP-AUD
SHT.5
XC SHEET 3