Zenith A19A02D Service Manual page 91

1 2 3
SHT.2
COMP-AUD
+5V
SB
G
R6001M
4.7K
R6002M
4.3
220
C
FLYBACK R6004 0.1 B Q6001
121-1310A
47K
E
C6001M
0
R6003M
120pF
10K
50V
R6005M
4.7K
5
VERT-DRIVE R6008 0.4 B
10K
C6002M
F R6007M
470pF
10K
50V
AFC
SYNC
+5V
SB
R6017M
R6020M R6019M R6018M
10K
2K 1K 10K
R6015
1K
R6016
1K
E
SW1
ON/OFF
85-01832
SW2
CH-UP
85-01832
R6021M
1K
SW3
D
CH-DOWN
85-01832
R6022M
1K
SW4
VOL-CTRL
VOL-UP
SHT.2
AUXSWITCH
85-01832
SHT.2 R6023M
1K
STEREO-IND
SHT.2
FORCEDMONO
SW5
SHT.2
SAP-IND VOL-DOWN
SHT.2
85-01832
MS1
R6025M R6024M
SHT.2
C6009
2K 2K
C MS0
SHT.2
SW6
MENU
85-01832
MUTE
(NOT USED)
B
A
EXT-VIDEO
SHT.2
COMPONENT LEVEL MODULE
REPAIR ONLY
FEATURES
CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER "X" IN THEIR
COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.
GA1 MAIN PROCESSOR
4 5 6
2
WF2
WF
4.88V
20uS
WF3 IC6000
4.92V
+5V P/L
5mS
SB
1 52
4.3
HSYNC R
3
WF
R6006M 5.1 2 51
VSYNC G
390
C
Q6002 R6009 1.2 3 50
ADC4/AFC B
121-1310A
1K
E
4 49
0.4
0 +5V TLCK FB
SB
5 48
0.4
N/C VOL0
4
R6012M
WF
39K
R6013M 0.4 6 47
SD VOL1 0
2.2K
5.1 7 46
MS0
ADC3/KEY2
C6043M
WF4 8 45
5.1
MS1
0.01
3.92V
25V ADC2/KEY1
20uS
9 44
SAP
0.3
ADC1/CDS
ID
POWER
5.1 10 43
R6026M C6042M
MUTE
0.01
ST.ID
PROV
25V C6041M
C6040M
11 42
470pF
470pF
0 N/C AUX-SW
50V
50V
12 41
0
N/C N/C 0
IR6000
13 40
0 N/C N/C
0
162-00046
5.1 14 39
MUTE SCL1
R6027 15 38
5.0
+5V
IR.DET SCL2
SBF 4.7K
C6003M
R6028 16 37
470pF
0.5
N/C SDA1
330 50V
C6004 R6029
17 36
0.5
4.7uF 10K N/C SDA2
+5V
50V SBF
L6005
5.1 18 35
AVDD IDENT
4.7uH
20-4129-16
19 34
R6031M 0.4
HLF N/C
1K
20 33
C6006 R6032M 0 FORCED
C6005M
RVCO
1uF
220pF MONO
15K
50V
50V
C6007M
0 21 32
POWER
VHOLD
1000pF
R6033M 50V 0.6 22 31
CVIN N/C
0 Ohm
0.1
50V 23 30
0 RESET
C6008M
R6080M 220pF CNVSS
510K 50V 224-74-2A 24 29
2.4 OSC-OUT
XIN
R6034M CRY6001
1M 8MHZ
2.1 25 OSC-IN 28
XOUT
C6010M
C6011M
0 26 27
20pF
20pF VSS VDD
50V
50V
5.1
WF1-A
+5V
5V +5V
SBF
SB
20 mS
L6001
12uH
C6017
WF1 C6036 20-4129-21 C6012M
220pF 0.01
5V
50V 25V
20mS
009-01869 009-01869-01 009-01870 009-01870-01 009-01871
MONO MONO LC STEREO LC STEREO MTS STEREO MTS STEREO MONO W/JACKS MONO W/JACKS MONO
7 8
0
0
0
C6023M C6024M C6025M C6033M
100pF 100pF 100pF 100pF
0
50V 50V 50V 50V
0.7
C6035M
47pF
50V
0 R6056
C6055M PROV
9.6 120pF 50V R6055
C6054M
PROV
+5V
5.1 120pF 50V R6052
SB
PROV
0 R6051
PROV R6053M
PROV
5.1
C6051M C6052M C6053M +5V +5V
470pF 220pF 220pF SB SBF
50V 50V 50V
R6045M R6047M R6046M R6048M
4.7K 4.7K 4.7K 4.7K
5.1 R6044M
C6050M
220
5 100pF 50V R6043
C6049M 220
5.1 100pF 50V R6042M
C6048M
220
5 100pF 50V R6041
C6047M
220
0 100pF 50V
+5V
C6019M
SB
C6046M
0
180pF
50V
470pF R6059M
50V 10K
0 R6038
220
5 PWRCONT
C6045M C6018M
WF
C6044M
0 470pF 1000pF
5
50V 50V
470pF
50V
5.1
5.1
R6035M 6.8 uH
L6002 020-04277-20A FB6002
1M FB6001
5.1
JUMP
L6004
149-00549 149-00583-01
C6014M
27pF C6015M
50V 27pF
R6050M 5.1
50V
220
R6049M
5.1
220
+5V
+5V 0
SBF 1-A 1
SB
L6003
WF WF 5.1
R6037M
1uH
27K 20-4129-8
C6020
VCC OUT
C6056M
4.7uF
5.1 5.0 0.01
50V
0.1 GND
25V
C6016
IC6002
50V
0 2.2uF
221-01177A D6001
50V
103-461A
009-01871-01 009-01950 009-01950-01 009-01990 009-01990-01 009-01991 009-01991-01 009-01992
ALL SYMBOLS WITH "M" ON END OF DESIGNATOR
6-3
INDICATE SURFACE MOUNTED COMPONENT
9 10 11
+5V
SB
5
R6060M
C
10K
B Q6003
PROV
0.7
E
R6058
0
1.5K
FASTBLANK
R6061M
C6022
PROV
B+
PROV
AUD
R6062M R6063M
PROV PROV
R6054M
PROV
TP6005
+33V
WF5
TP6006
4.88V
1uS 11
C6031M
C6032
ZD6001 10
4700pF
10uF
33V
50V
50V
9
+5V 103-279-36A
SW
8
7
C6030 C6029M
100uF
0.01
6
16V
25V
5
+9V
SW
L6000
4
100uH
3
CX6027 C6026M TP6010
20-3907-24A
1000uF 0.01
TP6004
2
16V 25V
1
R6040M
TU6000
C6028
175-2720
4.7uF
R6039
50V TUNER
220
R6072M
AGC
10K
+5V
SB
5
4G9
4
IDENT 58-526-05
0
3 FACTORY
4 SCL
5
SETUP
0
2
3 SDA
6
0
1
2
7
0
8 1
C6021M
IC6001
0.01
25V
221-745-04
COMP-VIDEO
EEPROM
VERT-DRIVE
MONO LC STEREO LC STEREO MTS STEREO
12
PWRCONT
SHT.4
COMP-AUD
SHT.4
AGC
SHT.4
R
SHT.4
G
SHT.4
B
SHT.4
SHT.4
IF
SHT.4
VOL-CTRL
MS0
MS1
SAP-IND
STEREO-IND
AUXSWITCH
FORCEDMONO
SCL
SHT.4
SDA
SHT.4
SHT.4
SYNC
SHT.4
AFC
SHT.4
SHT.4
FLYBACK
SHT.4
EXT-VIDEO
SHT.4
GA SHEET 3