Sony CD Mavica MVC-CD250, Service Manual

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MVC-CD250/CD400
COVER
COVER
4-2. SCHEMATIC DIAGRAMS CD-394 PRINTED WIRING BOARD 4-2. SCHEMATIC DIAGRAMS CD-394 PRINTED WIRING BOARD
For Schematic Diagram
• Refer to page 4-55 for printed wiring board.
• Refer to page 4-73 for waveforms.
Precautions for Replacement of CCD Imager
• The CD-394 board mounted as a repair part is not equipped
with a CCD imager.
When replacing this board, remove the CCD imager from the
old one and mount it onto the new one.
• If the CCD imager has been replaced, carry out all the
adjustments for the camera section.
• As the CCD imager may be damaged by static electricity from
its structure, handle it carefully like for the MOS IC.
In addition, ensure that the receiver is not covered with dusts
nor exposed to strong light.
CD-394 (1/2)
4-11 4-12
R13.5/P0
R1.7/P0
R1.5/P0
R-7.3/P0
3
R-7.3/P0
R9.3
/P0
R14.6/P0
2
R10.1/P0
R10.1/P0
R-7.3/P0
R8.2/P0 R8.6/P0
R-7.6/P0
5
1
R-0.3/P0 R-0.3/P0
R14.6/P0
R-0.3/P0
0
R8.6/P0
4
NO MARK:REC/PB MODE
R:REC MODE
P:PB MODE
CAM_15V
V3A
H1
MA111-(K8).S0
D401
CAM_-7.5V
FB401
R409
0
VSUB_CONT
UN9213J-(K8).SO
Q401
C411
10p
0.01u
C404
CCD_OUT
IC401
ICX284AQ-13
1
V4
2
V3A
3
V3B
4
V2
5
V1A
6
V1B
7
GND
8
VOUT
9
VDD
10
GND
11
VSHT
12
CSUB
13
VL
14
RG
15
H1
16
H2
C409
0.1u
0.1u
C406
L401
100uH
GND
XX
C412
V1B
V3B
CCD_TEMP
TH401
100k
R401
0.1u
C408
3300
R408
V1A
R402
0
V4
35V
3.3u
C402
0.1u
C410
2SC4178-F13F14-T1
Q402
V2
1u
C401
VSHT
RG
0.1u
C405
XX
C407
H2
16V
22u
C403
XX
R423
XX R424
0 R413
0 R404
0
R406
2200
R405
220k
R407
1
A
SWITCH
CCD IMAGER
IC401
BUFFER
VIDEO
SIGNAL
REC
(MVC-CD250)
XX MARK:NO MOUNT
CCD IMAGER(2M CCD BLOCK)
CD-394 BOARD (1/2)
Y/CHROMA
SIGNAL PATH
1
(2/2)
3 7
F
C
5
D
B
E
9 6 8 4 2
05