Zenith HW20H52DT Manuel de service Page 35
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- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
Video Processor
1 2 3 4 5 6 7 8 9 10
G
D
C
B
E
F
A
6-2
CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X” IN THEIR
COMPONENTS DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.
ALL COMPONENTS WITH “M” IN THE DESIGNATOR
ARE A SURFACE MOUNTED COMPONENT.
3828VD0205B
CH FLAT SHEET 2
SIGNA L- METER
C OMP- AUD
AGC
B
R
AGC
IF
G
FM/ IF- OUT
SIGNA L- METER
C OMP- AUD
FASTB LANK
VF
+ 9
Q12 0 0
E
B
C
0 TR9 5 9 0 0 9 A A
B F9 5 9
C M12 0
5 0 V
6 8 0 0 p F
RM12 12
3 .3 K
RM12 2 6
PROV
R12 0 9
10 0
RM12 0
10 0
L12 0 1
0 .8 2 µ H
C 12 0 7
5 0 V
0 .4 7
RM12 0 7
2 2
RM12 0 5
10 0
RM12 0 3
3 9 0
RM12 0 8
3 3
R12 0 4
1.5 K
RM12 0 2
10 0
C M12 0
5 0 V
10 0 0 p
C M12 0 2
2 5 V
0 .0 1
C M12 0 3
5 0 V
10 0 0 p F
C M12 0 1
5 0 V
10 0 0 p F
R12 2 5
3 9 K
RM2 2
3 9 0
C 2
5 0
1µ F
RM2 2
10 0
C M2 2 13
2 5 V
0 .0 1
C M2 2
5 0
4 7 p
RM
C
5
1
3 4
3 3
3 2
3 1
3 0
2 9
1
2
3
4
5
4 1
4 0
3 9
3 8
3 7
3 6
3 5
6
7
8
9
10
11
12
13
4 9
4 8
4 7
4 6
4 5
4 4
4 3
4 2
14
15
17
16
18
19
2 0
2 1
5 6
5 5
5 4
5 3
5 2
5 1
5 0
2 2
2 3
2 4
2 5
2 6
2 7
2 8
N.C .
SDN- OUT
GOSD
SIF
AGC FIL
RF- AGC
N.C .
EXT- AUD
DE- EMPH
AUDIN
LIMITER
PIFGND
PIF- IN
PIF- IN
PIFVC C
LOOPFIL
SIFGND
PIFTA NK
PIFTA NK
SIF/ VC C
TV/ DET
APC FIL VC C
VC XO C IN
AFT
YIN
DC
GND
FB LNK
ROSD
B OSD
D- VC C
ROUT
SHUTDOWN
B OUT
GOUT
VSW- OUT
B LK / DET
VIN
AC L
TV- IN
AB L
VPULSE
NFB
VRA MP
VSEPFIL
HVC C
SC L
DGND
3 2 FH
HA FC
H- OUT
SYNC
FLYB AC K
SDA
IC X2 2 0 0
0 ITO12 6 8 0 0 A
1
TA12 6 8 N
C OMP- VIDEO
VERT- DRIVE
VNFB
C OMP- VIDEO
AFC
SYNC
FLYB AC K
SDA
SC L
VF
+ 9
VF
+ 9
VF
+ 9
VF
+ 9
+ 9 VF
GND
B - OUT
G- OUT
R- OUT5
4
3
2
1
C N2 C 5 B
1
3 6 6 - 9 2 1D
SC L
RM2 2 0 1
3 .3 K
R 2 2 0 0
0 .1
RM2 2 0 3
3 .3 K
RM2 2 0 5
3 .3 K
RM2 2 0 6
1K
RM2 2 0 4
1K
RM2 2 0 2
1K
RM2 2 0 8
2 2 0
RM2 2 0 9
8 2 0
RM2 2 10
1.5 K
RM2 2 12
8 2 0
RM2 2 13
1.5 K
SDA
RM2 2 15
8 2 0
RM2 2 16
1.5 K
RM2 2 14
2 2 0
RM2 2 11
2 2 0
Q2 2 0 0
E
B
C
0 TR7 3 3 0 0 9 A A
KSA7 3 3 C - Y
Q2 2 0 1
E
B
C
0 TR7 3 3 0 0 9 A A
KSA7 3 3 C - Y
Q2 2 0 2
E
B
C
0 TR7 3 3 0 0 9 A A
KSA7 3 3 C - Y
VF
+ 9
VF
+ 9
15 6 - A0 1B
3 .5 7 9 MHz
R2 2 2 1
10 0
C M2 2 10
5 0 V
0 .0 2 2
C M12 0 8
5 0 V
0 .0 2 2
C 2 2 0 1
5 0 V0 .1
C 2 2 0 2
5 0 V
0 .1
C 2 2 0 3
5 0 V
0 .1
C M2 2 0 5
2 5 V
0 .0 1
C 2 2 0 8
5 0 V
2 .2 µ F
C M2 2 0 0
5 0 V
12 p F
C 2 2 0 9
16 V
10 0 µ F
C 2 110
5 0 V
1µ F
RM2 113
4 7 K
RM2 2 0 7
10 K
C M2 2 0 4
5 0 V
4 7 p F
R2 2 2 0
10
R2 2 2 2
10 0
R2 2 17
5 6 0
C 2 2 0 6
5 0 V
4 .7 µ F
C M2 112
2 5 V 0 .0 1
SYNC
SHUTDOWN
FLYB AC K
HORZ- DRIVE
EXT- VIDEO
SHUTDOW
HORZ- DRIVE
EXT- VIDEO
AB L
SW
+ 9 V
SW
+ 9 V
VF
+ 9
VF
+ 9
SW
+ 9 V
Q2 2 0 3
E
B
C
0 TR9 4 5 0 0 9 AA
KSC 9 4 5 C - Y
R2 2 4 9
4 7
2 9
D2 2 0 2
0 DD4 148 0 9 ED
1N4 14 8
C M2 2 15
5 0 V
4 7 0 p F
RM2 2 2 5
3 .9 K
2 19
V
5 0 V
µ
D2 2 0 0
0 DD4 148 0 9 ED
1N4 14 8
RM2 2 4 1
4 7 0 K
14
V
F
RM2 2 2 3
15 K
RM2 2 3 0
10 K
C 2 2 2 0
5 0 V
0 .1
C 2 2 2 1
5 0 V
0 .1
1K
D2 2 0 4
0 DD4 148 0 9 ED
1N4 14 8
C R2 2 0 1
16 6 - E0 2 G
C SB 5 0 3 F30
R2 2 3 9
10 0
RM2 2 3 3
13 K
C 2 2 2 4
5 0 V
0 .1
10 0
C M2 2 17
2 5 V0 .0 1
R2 2 3 2
1K
RM2 2 3 1
1K
R2 2 9 2
PROV
2 2 18
0 V
µ F
D2 2 0 1
0 DD4 148 0 9 ED
1N4 14 8
RM2 2 2 6
1K
RM2 2 2 8
2 .2 K
C 2 2 16
5 0 V1µ F
RM2 2 3 6
10 K
D2 2 0 3
0 DD4 148 0 9 ED
1N4 14 8
R2 2 9 1
PROV
R2 2 9 0
PROV
RM2 2 3 7
2 .7 K
RM2 2 3 4
1K
C 2 2 9 0
2 5 V
PROV
R2 2 4 0
6 8 0
C 2 2 2 3
16 V
10 0 µ F
C 2 2 2 2
5 0 V
10 µ F
RM2 2 3 5
10 0 K
Q2 2 0 7
E
B
C
PROV
KSA7 3 3 C - Y
Q2 2 0 5 C
0 TR7 3 3 0 0 9 A A
KSA7 3 3 C - Y
Q2 2 0 4
E
B
C
0 TR7 3 3 0 0 9 A A
KSA7 3 3 C - Y
RM2 2 3 8
1.6 K
R2 2 2 7
4 7 0
R2 2 2 4
4 .7 K
C 2 2 3 9
5 0 V
4 .7 µ F D2 2 0 5
1N4 14 8
0 DD4 148 0 9 ED
+ 9 V
PIF
+ 9 V
PIF
+ 9 V
PIFSW
+ 9 V
RM12 10
10 K
C R2 2 0 0
9
RM12 3 1
PROV
RM12 11
10 K
6
RM12 13
7 5 0
C 12 12
5 0 V
0 .4 7
C 12 10
16 V
4 7 0 µ F
L12 0 0
12 0 µ H
L12 0 2
6 14 0 VH 0 0 0 9 A
4 .5 MHz
C M12 11
5 0 V
10 0 0 p F
M
U12 0 0
6 2 0 0 C 0 0 0 0 2 8
M19 6 2 M
C M12 0 0
2 5 V
0 .0 1
C M12 0 5
2 5 V
0 .0 1
C 12 0 6
5 0 V
0 .4 7
4
F
RM12 0 1
10 K
RM12 0 0
12 K
TP12 0 0
AUD- MONO- IN
+ 9 V
SIF
SW
+ 9 V
+ 9 V
SIF
+ 9 VSIF
+ 9 V
SIF
+ 9 VF
VF
+ 9
SW
+ 9 V
Q12 0 1
E
B
C
0 TR9 4 5 0 0 9 A A
KSC 9 4 5 C - Y
Q12 0 2
E
B
C
0 TR9 4 5 0 0 9 A A
KSC 9 4 5 C - Y
C M12 13
5 0 V
4 7 0 0 p F
RM12 2 0
15 0
C 12 14
5 0 V
4 .7 µ F
RM12 2 1
2 2 0
C M12 18
5 0 V
12 0 p F
L12 0 4
10 µ H
L12 0 7
-
C M2 2 3 7
5 0 V
2 2 0 p F
RM12 15
4 .7 K
C M12 17
5 0 V
4 7 p F
RM12 16
10 K
RM12 17
8 2 0
RM12 18
2 2 0 U12 0 2
6 2 0 0 C 0 0 0 0 2 7
4 .5 MHz
TPS4 .5 MB 9
RM12 19
15 0
L12 0 5
12 µ H
C M12 15
2 5 V
0 .0 1
L12 0 3
10 µ H
C 12 16
16 V
10 0 µ F
TP12 0 1
AFC
VF
+ 9
VF
+ 9
VF
+ 9
VF
+ 9
+ 9 V
SIF
RM12 2 2
1K
R2 2 5 5
10 0
L12 0 6
6 14 0 VH 0 0 0 9 B
RM2 2 5 7
3 9 K
RM2 2 5 2
10 0
C 2 2 2 5
10 F
C 2 2 2 6
5 0 V
1µ F
RM12 14
1K
C 12 2 2
16 V
2 2 0 µ F
9 7 1 16
4 3
K
RM12 2 4
3 9 K
C M2 2 3 6
5 0 V2 2 0 p F
2 2 4 2
C M2 2 9 2
5 0 V
4 7 0 p F
C M12 19
2 5 V
0 .0 1
U12 0 1
6 2 0 0 C 0 0 0 0 2 6
4 .5 MHz
SFSH 4 . 5 MDB
RM2 2 4 5
RM2 2 4 8
15 0
C M12 2 4
16 V
0 .1
C M2 2 2 5
PROV
5 0 V
RM12 2 3
10 0 K
C M12 2 1
2 5 V
0 .0 1
C M12 2 3
5 0 V
10 0 0 p F
C 2 2 2 7
5 0 V
0 .1
C M2 2 3 1
5 0 V
PROV
C M12 2 0
5 0 V
0 .0 2 2
C M2 2 3 5
5 0 V
2 7 p F
L2 2 0 1
4 .7 µ H
RM2 2 5 6
PROV
C M2 2 3 4
5 0 V
2 2 0 p F
RM2 2 5 3
4 7 0
RM2 2 4 6
15 0
C M2 2 2 8
5 0 V
12 0 p F
L2 2 0 0
12 µ H
RM2 2 4 4
0
C M2 2 9 1
5 0 V
PROV
RM2 2 4 7
10 0
E
B
Q2 2 0 6
E
B
C
KSA7 3 3 C - Y
0 TR7 3 3 0 0 9 A A
TP12 0 3
SHT. 1
SHT. 6
SHT. 1
SHT. 1
SHT. 1
SHT. 1
SHT. 1
SHT. 1
SHT. 3
SHT. 1
SHT. 1
SHT. 1
SHT. 1
SHT. 1
SHT. 5, SHT. 1
SHT. 5
SHT. 5
SHT. 6
SHT. 3
SHT. 5
WF
9
WF
1
0
W
F
11
WF
15
WF
14
F
W
1
3
W
F
1
2
20 uS
WF10
3.82V
20 uS
WF9
4.62V
20 uS
WF11
0.808V
20 uS
WF14
1.68V
9.7V
WF15
20 uS
0.45V
WF12
20 uS
20 uS
WF13
0.77V
- Model Number: 1
- .C. Voltmeter 2
- X-Radiation 3
- Shutdown Circuit Operation 3
- (Refer to Figure below) 3
- TABLE OF CONTENTS 4
- OVERVIEW 5
- OVERVIEW (continued) 10
- USER MENUS 12
- USER MENUS (continued) 13
- FACTORY MENU 17
- FACTORY MENU(continued) 18
- INSTALLER’S MENU 19
- INSTALLER’S MENU (continued) 20
- SERVICING 26
- SERVICING (continued) 27
- Voice: 1-888-3-ZENITH 32
- Fax: 1-888-6-ZENITH 32
- 201 James Record Road 32
- H20H52DT/DT8 Exploded View 33
- Micro Processor 34
- Video Processor 35
- Audio Amplifier 36
- Power Supply 37
- Deflection 38
- 1 2 3 4 5 6 7 8 9 10 39
- Pillow Speaker 40
- Edge Card 41
- MPI Card 42
- Video Output 43
- PCB Layout Top 44
- PCB Layout Bottom 45
- 2nd. PCB Layout Top 46
- 2nd. PCB Layout Bottom 47
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