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Sharp 81FW-57E Service Manual page 26

Pal / secam system colour television
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70FW-57E
81FW-57E
81FW-57E BLOCK DIAGRAM
A
81FW-57E BLOCK DIAGRAM
TH 201
TUNER
1
MAIN POWER
M 6701
IR
DETECTOR
S 6 7 0 1
F 6 7 0 1
2
A D G C O I L
P T C
POR 701
-
+
3
D 7 0 1 . . . D 7 0 4
C705
C E S H
Q 7 0 3 D R I V E R
Q 7 0 1
Q 7 0 2
IC 705
4
R 7 4 1
C 7 7 0
R 7 4 2
A
SF 201
SAW
IF
IF
SF 202
SAW
IC 201
TDA 4470
SF 203
SAW
+ CH -
+
VOL -
IC 702
M i c r o P r o c .
P O W E R S T - B Y
C O N T R O L
+5V
IC 701
D 1 1 0 1
8
+16V AUDIO
T 701
1 7
7
3
-16V AUDIO
+148V
4
1 2
5
1 5
6
1
S E N S O R
1 4
2
IC 706
C 1601
C 1603
B
FM AUDIO
CVBS
21 PINS
RGB
RGB
21 PINS
V
AV-2
21 PINS
V
AV-1
AV-FRONT
S-VIDEO
IC 704
IC 703
Q 7 0 4
Q 7 1 3
Q 7 0 6
Q 7 0 5
+5V DIGITAL
Q 7 0 7
DINAMIC FOCUS MODULE
T 1 6 0 2
C 1602
E/W
Q 6 1 0 1
OUT
B
34
V
IC 401
IC 6001
HEF 4053
VPC 3210 A
I2C
SWITCH
VIDEO
PROCESSOR
VPC 3230 IN CASE
DIGITAL
MODULE 7295
M3L
IC 1001
ST10 R 272 L
Micro Proc.
IC2
ROTATION
COIL
IC 1002
M27C801
EPROM
H. OUT
Q603
Q605
Q604
Q602
E/W
H. DRIVE
OUT
IC 503
Q 501
E/W
DRIVE
C
DIGITAL
MODULE
IC 6002
CPI 3250
COMPONEN
INTERFAC
PROCESSO
OSD
IC 2401
SDA 5275S
MT TEXT
POW
C

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