Main Processor - Zenith A19A02D Service Manual

1 2 3
PWRCONT
SHT.23
G
PWR-CTL
SHT.23
EXT-L
SHT.23
EXT-R
SHT.23
R6004M
FLYBACK
47K
R6003M
10K
VERT-DRIVE
MUTE
SHT.23
VRAMP
F
AFC
SYNC
Y/C-SENSE
WF12
3.60V
10 uS
E R6015
1K
R6016
1K
D
VM-OUT-L
SHT.23
C
+5V
SBF
VM-OUT-R L6005
2K6
SHT.23
B
1uH
58-526-05 C6036M
C6035
20-4129-08
1000pF
PROV
1
50V
50V
2
3
4
L6004
SDA
5
SHT.23
1uH
SCL
20-4129-08
SHT.23
COMP-AUD
MUTE
SHT.23
CRT-PROTECTOR
A
CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER "X" IN THEIR
COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.
GA3 MAIN PROCESSOR
4 5 6
+5V
WF2
SBF
4.88V
2
R6001M 20uS
4.7K R6002M WF
4.3
C
180
+5V
B Q6001
SBF
121-1310A
0.1
E
3
R6005M
C6001M
WF
4.7K R6006M
120pF 0
50V
5
+5V 150
0.4
5.2
SBF
C
R6008M
B
D6002
5.2
10K
Q6002 103-461A
E
121-1310A 0
R6090M
2.25
1K
+5V
C6058M C6059M
+5V SBF 0
47pF
SBF
50V 47pF 50V
R6058M
C6060M
39K
0
R6012M
R6061M
47K 47pF
50V
3.8
+5V
2K
SBF
C6061M 4.9
WF
C6079M
47pF
47pF
50V
12
R6069M R6070M
50V
4.9
470K 470K
C6093M
47pF 50V
R6053M
R6026
1.5K
10K
C6043M C6042M C6090M
0.01 0.01
C6040M 47pF
25V 25V
180pF C6091M
50V
47pF 50V
C6092M
47pF 50V
R6027
4.9
2.2K
C6003M
C6098
470pF
50V
4.7uF
+5V 50V
SBF L6007
R6030 4.85
C6037 4.7uH 0 Ohm
R6031M
20-4129-16 .1w 1.44
220pF
50V
1K
R6032M
1.44
C6005M
220pF
C6006
15K
50V
4 C6007M
1uF
0.16
50V
WF
1000pF
C6009 R6033M
50V 3.42
0.1 JUMPER
0
50V
R6080M C6008M
750K PROV
4.56
R6034M CRY6001
1M
224-74-2A
C6010M
20pF
8MHZ 4.78
WF4 50V
C6011M
2.34V
20pF
20 uS 50V
+5V +5V
SB SBF
L6001
4.7uH
20-4129-16
C6013 C6012M
220uF 0.01
16V
COMPONENT LEVEL MODULE 009-01996
REPAIR ONLY
FEATURES MTS STEREO
7 8
WF3 WF10
4.48V 5.0V
5mS 5uS
IC6000
221-1305-01
126-3446-2(SHIELD)
1 52
4.9
HSYNC R
2 51 4.9
VSYNC G
3 50 4.9
B WF
C6023M C6024M C6025M
AFC
10
47pF 47pF 47pF
4 49 4.9
50V 50V 50V
N/C FB
VERT-SIZE
5 48
4.9
N/C
C6038M
HORZ-SIZE
6 47
2.9 47pF
SYNC
50V
C6055M
7 N/C 46
A/D_KEY2
47pF 50V
C6095M
C6054M
8 N/C 45
47pF
A/D_KEY1
50V
47pF 50V
C6053M
9 N/C 44
R6059M
N/C
47pF 50V
8.2K
C6052M
10 N/C 43
Y/C-SENSE
4.9
47pF 50V
11 AUX_SW1 42
4.8
N/C
50V C6051M
+5V
12 41
N/C 47pF 50V
SBF
N/C
C6094M
N/C
13 40 47pF 50V
R6046M R6045M R6047M R6048M
CRT-PROT
C6041M
4.7K 4.7K 4.7K 4.7K
5.14
R6044M
14 39 4.8 47pF 50V
MUTE SCL1
C6050M
220
R6043M
15 38 4.8 47pF 50V
SCL2
REMOTE C6049M
220
R6042M
16 37
4.8 47pF 50V
N/C SDA1
C6048M 220
R6041M
17 36
4.8 47pF 50V
N/C SDA2
C6047M
220
18 35
5 47pF 50V
AVcc IDENT
C6046M C6019M
19 34
0
180pF
HLF N/C
50V
470pF C6045M
20 33
0 50V
N/C
RVCO
470pF
21 32
4.9 50V
POWER
VHOLD
C6018M
WF
22 CHASSIS_ID 31
0 1000pF
5
50V
CVIN
23 30
4.9
RESET
CNVSS
4.9
24 29
OSC-OUT
L6002
XIN
R6035M
20-4277-70A
1M
25 28
OSC-IN
XOUT
4.9
1.8uH
26 27
R6010M
VSS Vcc C6014M R6013 C6015M
0 PROV
27pF 4.7K R6007M
27pF
PROV
50V 50V
4.85
WF1-A
+5V
5V SBF
1-A 1
20 mS
WF WF
R6037M
27K
20-4129-8
VCC OUT
C6017 C6056M
C6016
D6001
0.1 0.01
2.2uF
GND
50V 25V 103-461A
IC6002
25V 221-1177A
KIA7042
009-01997 009-01997-01 009-01998
MTS STEREO MTS STEREO MTS STEREO
ALL SYMBOLS WITH "M" ON END OF DESIGNATOR
6-24
INDICATE SURFACE MOUNTED COMPONENT
9 10 11
Vertical
R6095
R
4.7K
R6096
G
4.7K
R6097
B
4.7K
R6093
FASTBLANK
1K
R6092M
C6033M
10K
47pF
C6096
50V
47pF
50V
VERT-SIZE
HORZ-SIZE
AUXSWITCH1
R6091M
PWRCONT
IF
4.7K
TU6000
TP6005
175-2721
+33V
TP6006
11
ZD6001 C6032 C6031M 10
1uF 6800pF
33V
9
+5V 103-279-36A 50V 50V
SW
8
7
C6030
C6029M
100uF
0.01
6
16V
25V
+9V
5
SW
L6000
4
100uH
CX6027 C6026M
3
20-3907-24A TP6010
470uF 0.01
16V TP6004
25V 2
1
TUNNER
C6028
FACTORY
4.7uF
R6039M 50V
220
+5V
R6072M SBF
WF5
10K
4.88V
1uS
R6050
58-526-05
4
R6049M 5
220
SCL
CRT-PROTECTOR
3
6
220
SDA
+5V
L6003
SBF 2
7
1uH 8 1
Y/C-SENSE
WF1
5V
C6020 C6021M IC6001
20mS COMP-VIDEO
4.7uF 0.01
50V 25V 221-745-04
VERT-DRIVE
FLYBACK
009-02041
MTS STEREO
GA SHEET 24
12
VERT-SIZE
SHT.25
HORZ-SIZE
SHT.25
AUXSWITCH1
SHT.25
PWR-CTL
SHT.25
EXT-L
SHT.25
EXT-R
SHT.25
IF
SHT.25
R
SHT.25
G
SHT.25
B
SHT.25
FASTBLANK
SHT.25
AGC
SHT.25
COMP-AUD
SHT.25
VM-OUT-L
SHT.25
VM-OUT-R
SHT.25
AGC
SETUP
4G9
5
4
3
2
1
SHT.25
SCL
SHT.25
SDA
SHT.25
SHT.25
VRAMP
SHT.25
SHT.25
SYNC
SHT.25
AFC
SHT.25
SHT.25
SHT.25