Sony HCD-VM330AV Service Manual ▷ View online
HCD-VM330AV
32
32
7-12. SCHEMATIC DIAGRAM – AUDIO/VIDEO Section (2/3) –
•
See page 43 for Waveforms.
1
VIDEO BOARD
(1/3)
4
VIDEO
BOARD
(3/3)
5
VIDEO
BOARD
(3/3)
4.9
4.9
4.9
0.3
NC
A16
A15
A16
A15
A12
A7
A7
A6
A5
A4
A4
A3
A2
A1
A0
A2
A1
A0
O0
O1
O2
GND
O1
O2
GND
VCC
IC510
LC372100PM
-K98-TLA
NC
A17
A14
A13
A13
A8
A9
A11
OE
A10
CE
O7
O6
O5
O4
O3
O5
O4
O3
VIDEO SIGNAL PROCESSOR
MPEG VIDEO/AUDIO DECODER
VIDEO
Q501
DTC114EKA-
T146
BUFFER
Q531
2SD999-T1-
CLCK
+3.3V
REGULATOR
Q502
DTC114EKA-
T146
BUFFER
D-RAM
PROGRAM ROM
(Page 31)
(Page 33)
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HCD-VM330AV
33
33
7-13. SCHEMATIC DIAGRAM – AUDIO/VIDEO Section (3/3) –
•
See page 43 for Waveforms.
•
See page 52 for IC Block Diagrams.
VIDEO
FREQUENCY
CT503
5
VIDEO BOARD
(2/3)
4
VIDEO BOARD
(2/3)
3
VIDEO BOARD
(1/3)
2
VIDEO
BOARD
(1/3)
C AMP
Y AMP
VIDEO
Q301
DTC114EK
INVERTER
INVERTER
L504
0
TP (27MHz)
TP (GND)
OSC
BUFFER
4
3
2
1
CN301
3P
Y
C
S-VIDEO OUT
J301
JW501
0
R
MAIN
BOARD (2/4)
CN316
(Page
31)
(Page 31)
(Page 32)
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(Page 39)
HCD-VM330AV
34
34
3
5
4
1
2
3
5
4
1
2
3
5
4
1
2
1 2 3 4 5
B
MAIN BOARD
CN305
T SENSOR BOARD
1-680-817-
L. T MOTOR BOARD
M51
(LOADING)
M
M52
(TABLE)
M
1-680-797-
4 3 2 1
D
MAIN BOARD
CN304
DISC IN DETECT
SENSOR
E
MAIN BOARD
CN304
5 6
D SENSOR (IN) BOARD
1-680-799-
(LOAD)
LOAD
IN
y LOAD
IN
F
MAIN BOARD
CN304
9 8 7
LOAD SW BOARD
1-680-798-
C
MAIN BOARD
CN305
6
7
DISC IN DETECT
SENSOR
D SENSOR (OUT)
BOARD
1-680-800-
21
(21)
21
(21)
21
(21)
21
(21)
21
(21)
7-14. PRINTED WIRING BOARDS – CD MOTOR/SENSOR Section –
•
See page 27 for Circuit Boards Location.
(Page 42)
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HCD-VM330AV
35
35
7-15. SCHEMATIC DIAGRAM – CD MOTOR/SENSOR Section –
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : CD
no mark : CD
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