Read Sharp LC-20SD4E (serv.man5) Service Manual online
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
D3206
EC31QS04
D3207
EC31QS04
:SINCE THESE PARTS MARKED BY
CAUTION
DESCRIBED IN PARTS LIST ONLY
CRITICAL FOR SAFETY,USE ONES
ARE
DANS LA NOMENCLATURE DES PIECES
N’UTILISER QUE CELLS DECRITES
DANGEREUSES AN POINT DE VUE SECURITE
:LES PIECES REPAREES PAR UN
ETANT
ATTENTION
IC3201 BA00BC0WFP
DS
P.CON+3.3V_REG
1
2
4
5
6
IC3202
BD7820FP
DS
P.CON+1.8V_REG
1
2
4
5
6
SH3201
TP00370-21
SH3203
TP00370-21
SH3202
TP00370-21
SH3204
TP00370-21
CP3201
A2001WV2-11P
A2001WV2-11P
1
10
11
2
3
4
5
6
7
8
9
C7223
4.7
50V
NSEV
C3210
220
6.3V
V-S
L3202
47uH
L3201
100uH
L810
22uH
B3211
BLM18PG181SN1D
B3204
HCB1608KF-181T20
B3203
BLM18PG181SN1D
B3202
BLM18PG181SN1D
CD3201
CH2B1203
CH2B1203
W825
C3213
1F
C3208
1F
C3201
470P
CH
C3207
470P
CH
C3209
1B
C3214
1B
C3206
1B
C3212
470P
CH
C3204
470P
CH
C3202
470P
CH
C3205
470P
CH
C3211
470P
CH
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
R3208
10K
R3216
560
R3217
560
R3211
3.3K
+-1%
R3212
5.6K
+-1%
R3221
1K
+-1%
R3222
1.2K
+-1%
R3229
220
+-1%
R3219
10K
R3223
100K
C3215
220
6.3V
V-S
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
P.CON+32V
P.CON-6V
P.CON+14V
P.CON+5V
AT+3.3V
P.CON+3.3V
P.CON+1.8V
GND
P.CON+5V
P.CON+1.8V
GND
P.CON+5V
GND
AT+5V
SCALER-H
P.CON+3.3V
GND
GND
AT+3.3V
AT+5V
P.CON+5V
P.CON+3.3V
P.CON+32V
P.CON+32V
SCALER-H
P.CON-6V
P.CON+14V
GND
P.CON+14V
GND
P.CON+3.3V
P.CON+1.8V
P.CON+5V
GND
H-26
H-25
(SCALER PCB)
REGULATOR SCHEMATIC DIAGRAM
3.5
3.5
FROM/TO MICON
(CP503)
FROM/TO SCALER
4.0
0
3.4
1.3
CTL
IN
GND
OUT
ADJ
CTL
IN
GND
OUT
ADJ
3.8
0
1.9
0.75
FROM/TO POWER
FROM/TO RSDS
+32V
+14V
-6V
P.CON+5V
AT+3.3V
AT+3.8V
AT+3.8V
GND
AT+5V
VLCF4202T
GND
GND
PCBDS0
CEF197
CEF197
FROM/TO SYNC_SEPA
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