Read Sharp DV-RW250H (serv.man4) 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
V651
HNV-09SS48
1
10 11 12
2
21 22 23 24 25 26 27 28 29 30 31 32
34 35
4
5
6
7
8
9
J654_1
MDC-012V1-A_LF
12
34
56
TP651
005P-2100
D652
LTL-1CHAE-002A
VCR LED(ORANGE)
CP651
A2001WR2-5P
1
2
3
4
5
Vout
B+
GND
OS651
PIC-37043LO-H
1
2
3
SW653
EVQ21505R
DVD/VCR
SW652
EVQ21505R
POWER
SW651
EVQ21505R
EJECT
H
NC
E
J651
MSP-281V31-A
AUDIO R IN
1
2
3
H
E
J652
MSP-281V40-B
AUDIO L IN
1
2
H
E
J653
MSP-281V42-B
VIDEO IN
1
2
D659
MTZJ6.2B
B651
FCM2012H-102T04
B654
FCM2012H-102T04
B652
FCM2012H-102T04
B653
FCM2012H-102T04
B655
FCM2012H-102T04
IC651
PT6315
PT6315
FIP DRIVER
1
10
11
12
13
14
15
16
17
18
19
2
20
21
22
23
24
25
26
27
28
29
3
30
31
32
33
34
35
36
37
38
39
4
40
41
42
43
44
5
6
7
8
9
L651
100uH
C672
47
6.3V
KA
C671
22
35V
YK
C654
100
16V
YK
C653
10
25V
KA
C652
10
25V
KA
C685
0.01
B
C673
0.01
B
C668
100P
CH
C667
100P
CH
C666
100P
CH
C670
0.01
B
C678
47P
CH
C679
47P
CH
C680
47P
CH
C655
0.0022 B
C651
0.0022 B
C677
100P
CH
C681
470P
CH
C682
470P
CH
C665
0.1 B
C684
0.1
B
R664
75
R663
75
R660
390 1/4W
R668
10K 1/4W
R670
10K
R666
330
R669
10K
R667
82K
R662
75
R661
1K 1/4W
R665
1K
R659
2.2K
R657
68K
R658
150K
R656
2.2K
R655
150K
R671
150
1/4W
R654
68K
R601
10K
R602
10K
R652
1.8K
R651
2.7K
R653
1.5K
C669
47
6.3V
KA
Q652
KTC3875S_Y_RTK
KTC3875S_Y_RTK
BUFFER
Q651
KTC3875S_Y_RTK
BUFFER
W842
W819
DURING PLAYBACK.
MEASURED WITH THE DIGITAL TESTER
NOTE:THE DC VOLTAGE EACH PART WAS
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
CD651
CU252802
HEATER_DC-
HEATER_DC+
1G
2G
3G
4G
5G
6G
7G
8G
9G
P10
P11
P12
P1
P2
P3
P4
P5
P6
P7
P8
P9
-22V
P1
P2
P3
P.CON+12V
9G
P4
KEY-A
8G
P5
KEY-B
REM_IN
7G
P6
FL_CS
FL_CLK
6G
P7
FRONT_AUDIO_IN-R
FL_DATA
5G
P8
FRONT_S_SW
4G
P9
FRONT_AUDIO_IN-L
3G
P10
2G
P11
FRONT_V_IN
1G
P12
FRONT_V_IN
FRONT_AUDIO_IN-R
FRONT_AUDIO_IN-L
FRONT_Y_IN
FRONT_AUDIO_IN-R
FRONT_S_SW
FRONT_AUDIO_IN-L
FRONT_Y_IN
FRONT_C_IN
FRONT_C_IN
P.CON+12V
AT+5.2V
-22V
HEATER_DC+
HEATER_DC-
GND
KEY-B
REM_IN
FL_DATA
KEY-A
FL_CLK
FL_CS
DVD_LED
AT+5.2V
H-24
H-23
FROM/TO HI-FI
FROM/TO 21PIN I/O
FROM/TO SYSCON/SERVO/TIMER
(CP681)
FROM/TO OPERATION/LED
(VCR PCB)
DISPLAY SCHEMATIC DIAGRAM
NC
NC
NC
PCB010
VMD329
VMD329
NC
NC
NC
NC
NC
NC
CONTROL
KEY MATRIX MEMORY
DIMMING CIRCUIT
TIMING GENERATOR
(12bits * 12Words)
DIPLAY MEMORY
OUTPUT
KEY SCAN
DRIVER
GRID
DRIVER
SEGMENT
DRIVER
GRID
INTERFACE
DATA
SERIAL
OSC
DRIVE
LED
-21.0
-24.0
-13.9
-15.5
-6.5
-4.7
-15.5
-10.0
-19.0
-18.0
-14.0
-18.0
-10.0
-12.0
VR
SLP
PR FINE
C
-22.3
-22.3
-22.3
-22.3
-22.3
-22.3
-22.3
-22.3
-22.3
-19.0
-19.0
M
CH
S P M
8G
9G
7G
6G
5G
4G
3G
2G
1G
FROM/TO REGULATOR
R
L
V
0
5.0
0
5.0
2.9
5.0
4.8
4.8
4.6
0
0
0
5.0
-9.0
-11.0
-8.9
-14.2
-16.1
-16.9
-16.8
-24.5
-16.8
-22.0
-11.6
-21.9
-23.7
-24.9
-25.4
-24.9
-25.4
-24.8
-22.4
-24.1
-21.9
-22.3
-22.1
-21.6
-21.8
-23.9
-21.9
-21.9
-22.0
5.1
0
12.0
7.4
6.8
12.1
7.4
6.7
DVD LED
AT+5.2V
KEY-A
GND
KEY-B
FROM/TO AV I/O2
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