Main Micro Circuit - Zenith H19F34DT Series Service Manual

1 2
G
PWR-CTRL
Power Control
Deg-Ctl
D-CTL
F
Luma (Micro)
V-Sync
V-SYNC
H-Sync SIGNAL-METER
H-SYNC
IF
E
This schematic refers to
CL Chassis models CN2K6
366-921D
C6035
H19F34DT
PROV
1
H20F34DT
2
3
H25F34DT
4
H25F39DT
L6004
5
H27F34DT
H27F39DT
D
H25F36DT
H27F36DT
W6002
IR-DATA
H32F36DT
971-16
+5V
SBF
RM6076
2.2K
CTRL-Y/C
C
WF16 WF19
C
Q6005
- V - V 0TR945009AA
KSC945C-Y
E
25.0 µS
50.0 mS
MUTE
WF16A WF20
Y-MICRO
- V - V
100 mS 100 mS
B
WF17 WF21
CN2P6
+8V
SW
366-921A
- V - V
1
40.0 µS 50.0 µS
2
WF18 WF22
- V 1.47 V
25.0 µS
2.50 mS
A
SR25-3828VD0171B
3 4
WF17
RM6002
H-SYNC
H-SYNC H-SYNC
1K RM6017
CM6001
0
WF18
PROV
50V
V-SYNC RM6006
V-SYNC V-SYNC
1K
CM6002
+5V
PROV
SBF
50V
TP6015
AFC
D6002
SYNC PROV
RM6090
CAMPORT-SENSE
1K
CM6059
CM6058 47pF 50V
+5V
47pF
SBF
50V
+5V
CM6060
SBF
RM6058
47pF
PROV
RM6061 50V
+5V
RM6070
SBF RM6069
1.6K
470K 470K
L6005
1µH
CM6036
1000pF
50V
R6016
RM6053
1K
R6015
1.5K
CM6061 CM6043 CM6042 CM6093 CM6079
1K 47pF 0.01 0.01 47pF 47pF
50V 25V 25V 50V 50V
1µH
CM6091
47pF 50V
CM6092
R6026 47pF 50V
10K
R6027
2.2K
ZD6002 CM6003
+5V 1/2W 9.1V 470pF
CM6040
SBF 0DZ910009AJ 50V
180pF
MTZJ9.1B
50V
+5V
RM6020 SBF
5.1K
L6007
4.7µH CM6097
C6098
B RM6075 RM6031
CM6037 4.7µF 470pF
220pF 50V
1K
1K
50V
RM6032
CM6005
C6006
220pF
1µF
50V
50V
CM6009 TP6000
JM6033
470
JUMPER CM6008
RM6080
560pF TP6001
1M
50V
WF19
CRY6001
CM6010 RM6034
156-A01P
20pF 1M
8MHz
50V
CM6011
20pF
50V
+5V
SB
L6001
4.7µH
C6013
220µF
CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER "X" IN THEIR
COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.

Main Micro Circuit

5 6
WF21
CM6023 CM6024
47pF 47pF
RM6009
50V 50V
1.5K IC6000
P/L
P/L
SHIELD 4814V00347A
CM6095
47pF
1 52
HSYNC R 50V
2 51
VSYNC G
3 50
AFC B
+5V
SBF
4 49
SHUTDWN FB
+5V
CM6038 SBF
5 48
Y/C-SENSE N.C.
47pF
WF22
50V
6 47
SIGNAL
HORZ-SIZE RM6014 RM6036
DETECT
100K 6.8K
7 46
SP1
A/D_KEY2
CLK
8 45
SP1
A/D_KEY1
DOUT
9 44
CM6054
SIGN-MTR SPI-DIN
CM6053
47pF
50V
47pF 50V
10 43
CAMPORT
DEG-CTL
SENSE CM6052
CM6090
CM6051
47pF 50V 11 42
FRONT/ 47pF
Y/C-SW
REAR IN 50V
47pF
50V
12 41
N.C. TV/AUX
CM6094
+5V
13 40
47pF 50V
SBF
N.C. N.C.
CM6041
14 39 47pF 50V RM6044
MUTE SCL1
CM6050
220
15 38 47pF 50V R6043
REMOTE SCL2
CM6049
220
16 37 47pF 50V RM6042
N.C. SDA1
CM6048
220
17 36 47pF 50V R6041
N.C. SDA2
CM6047
220
18 35 47pF 50V
AVcc IDENT
50V 19 34
MPI
HLF
DAout
20 33
MPI
RVCO
15K DAin
CM6007
21 32
VHOLD POWER
1000pF
CM6018 CM6045 CM6046
50V CM6099
22 31 1000pF 4700pF 47pF
CVIN N.C.
50V 50V 50V
47pF
50V
23 30
CNVSS RESET
24 29
XIN OSC-OUT
CRY6002
RM6035
PROV
1M L6002
25 28
XOUT OSC-IN
1.8µH
RM6059 CM6015
CM6014
26 27
4.7K 27pF
27pF
VSS Vcc
+5VSBF
50V
50V
+5V
SBF
+5V WF16A WF16
SBF
RM6037
CM6012
27K
0.01 CM6017 CM6056
C6016
VCC OUT
10V 25V 0.1
2.2µF
16V IC6002
GND
50V
0IKE704200B
GND
KIA7042P(AT)
6-2
7 8
CM6025 CM6033
47pF 47pF
50V 50V
CN10VGA1
CM6080
387-A10C
PROV
50V
+11
LSP
RM6038
3.3K
RM6052
100
RM6051
RM6040 100
CM6055 100
47pF
50V
+33V
ZD1240
33V
0DZ330009DF
RM6046 RM6045 RM6047 RM6048
1/2W
4.7K 4.7K 4.7K 4.7K
MTZJ33B
+5V
TNR
GND
+5V
387-917F L1240
SBF
33µH
C1240
R6007 220µF
CM1243
470K 16V
0.01
25V
R6013
100
WF20
+5V
R6011
SBF RM1240
100
470
RM6072
4.7K
CM6019
R6039
180pF
220
50V
TP6007
+5V
SBF
TP6006
L6003
RM6060
TP6013
1µH
4.7K
C6020 CM6021
4.7µF 0.01
TP6014
50V 25V
IC6001 TP6008
1 8
0IAL240800A
TP6009
TP6002 2 7
AT24C08
RM6049
3 6
D6001
220
RM6050
0.01 0DD414809ED 4 5
25V 1N4148
220
TP6003
ALL SYMBOLS WITH "M" IN THE DESIGNATOR
INDICATE SURFACE MOUNTED COMPONENT.
9 10
HORZ-SIZE
R
G
B
FASTBLANK
HORZ-SIZE
IF
R
IR-DATA
G
B
FASTBLANK
DEG-CTRL
D-CTL
AGC
CTRL-F/R
IR-DATA
CTRL-TV/AUX DEG-CTRL
PWR-CTRL
IF
C1241 CM1242
1µF 6800pF
TU1240
50V 50V
6700NFNS06E
TP6005
LG-TAEM-H001P
11
TP6012 IF
10
NC
9
33V
8
NC
7
5V
6
5V
5
SDA
4
SCL
CM1244 CM1245
3
PROV PROV AS
RM1241
50V 50V
2
470
NC
TP6010
1
AGC
W1250
PROV
TP6004
AGC
C1246 CM1247 C1248
4.7µF 0.1 0.01
50V 16V 16V
6
TP6011
5
4 SCL SCL
SDA SDA
3
CAMPORT-SENSE
2
1
SYNC
AFC
CN4G9
366-921E VERT-DRIVE
FLYBACK