Sony HCD-VM330AV Service Manual ▷ View online
HCD-VM330AV
26
26
7-6.
BLOCK DIAGRAM – DISPLAY/POWER SUPPLY Section –
GRID DRIVE
Q721 – 723
FL701
FLUORESCENT
INDICATOR TUBE
47
–
43,41
–
24,
22
–
12
S1
–
S34
99, 100, 2,
3, 5
–
10
G2, G3, G5, G6,
G8
–
G13
98, 1, 4
G1, G4, G7
GRID DRIVE
Q721 – 723
17
–
14
75
–
72
F1
–
F4
BPF1
–
BPF4
4 LINE IN
13
L+R
BAND-PASS
FILTER
IC703
71 L+R
66 VOL A
67 VOL B
ROTARY
ENCODER
RV701
VOLUME
64 JOG A
65 JOG B
ROTARY
ENCODER
RV702
DISC
ACCESS
X
(Page 22)
C
IIC-DATA,
IIC-CLK
IIC-CLK
X701
4MHz
82 X0
83 X1
89
–
93
LED3
–
LED7
GRID DRIVE
Q721 – 723
LED DRIVE
Q713 – 717
D703 – 707
86, 87, 94, 95
LED0, LED1,
LED8, LED9
LED DRIVE
Q702 – 705, 718
D708, 736,
D781, 782, 791
D781, 782, 791
80
–
78, 76
KEY0
–
KEY3
S701, 741 – 745,
S750 – 757, 760 – 767,
S771 – 777
S750 – 757, 760 – 767,
S771 – 777
59
DOOR SW
DISPLAY CONTROLLER
IC701
S791
CD LID
OPEN/CLOSE
DETECT
60
SDA
61
SCL
77
RSTX
30 IIC DATA
29 IIC CLK
43 FL-RESET
74 POWER KEY
73 DISPLAY KEY
S700
S770
DISPLAY
36 KB-SDA
20 KB-SCL
37 KB-CTRL
4
1
5
B+ 5V
+5V
SDA
SCL
J801
KEYBOARD
4 RMC
X802
16MHz
15 XIN
13 XOUT
X801
32.768kHz
10 SUBXIN
11 SUBXOUT
81
CD POWER
SYSTEM CONTROLLER
IC801 (5/5)
71
FM-ON
42
POWER STBY
12
RESET
82
AC CUT
B+ SWITCH
Q361, 362
CD +8V
VIDEO +3.3V
+3.3V
REGULATOR
Q531
COM +5V
+5V
REGULATOR
IC904
+8V
REGULATOR
IC903
+5V
REGULATOR
IC905
MOTOR +12V
+5V (SW)
B+ 5V
FL +3.3V
D701, 702
+7V
REGULATOR
Q352
FM +7V
D866
+12V
REGULATOR
Q902
+9V
REGULATOR
IC901
AU +9V
REGULATOR
CONTROL
Q350, 351
RESET SIGNAL
GENERATOR
IC802
BU +5V
U-COM +5V
D803
D802
D806
+5.6V
REGULATOR
Q802, 803
RECT
D961 – 964
RECT
D911 – 914
RELAY DRIVE
Q901
T902
POWER
TRANSFORMER
(SUB)
RECT
D507
D507
RECT
D511
D511
R AMP B+
R AMP B–
F AMP B+
F AMP B–
– 33V
REGULATOR
Q397
VP – 33V
D901
RECT
RECT
VF1
VF2
RY901
(AC IN)
T901
POWER
TRANSFORMER
(MAIN)
RESET
SWITCH
Q801
REMOTE CONTROL
RECEIVER
IC702
TO FLUORESCENT
INDICATOR TUBE
FL701
IIC-DATA
IIC-CLK
X
(Page 24)
K
SPE ANA
+5V
REGULATOR
IC906
VOLTAGE
SELECTOR
S901
HCD-VM330AV
27
27
7-7.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
(In addition to this, the necessary note is printed in each block)
(In addition to this, the necessary note is printed in each block)
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
Note on Printed Wiring Boards:
•
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
W
: indicates side identified with part number.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
• Indication of transistor.
Note on Schematic Diagram:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
2
: nonflammable resistor.
•
5
: fusible resistor.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: TUNER
J
: CD PLAY (ANALOG)
c
: CD PLAY (DIGITAL OUT)
g
: VIDEO
E
: TAPE PLAY (DECK A)
d
: TAPE PLAY (DECK B)
G
: REC
q
: VIDEO IN (AUDIO)
j
: GAME IN (AUDIO)
k
: GAME IN (VIDEO)
f
: 5.1CH INPUT
• Circuit Boards Location
CD LED board
GAME LINK board
MAIN AMP board
VIDEO board
FM/AM TUNER PACK
POWER board
VOL SEL board
MAIN board
FUSE board
BD board
D SENSOR (OUT) board
LOAD SW board
L. T MOTOR board
D SENSOR (IN) board
T SENSOR board
DOOR LED board
H/P board
CONTROL board
RMC board
DISPLAY board
TC board
HCD-VM330AV
28
28
7-8.
PRINTED WIRING BOARD – BD Section –
•
See page 27 for Circuit Boards Location.
IC101
IC104
IC103
IC106
IC102
VIDEO
BOARD
CN501
(A-MAX.3)
25
A
TP (DVC)
TP
(VC)
TP (FEI)
TP (TEO)
TP (RFDC)
TP (XPCK)
TP (RFAC)
TP (FEO)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
13
• Semiconductor
Location
Ref. No.
Location
D101
F-10
IC101
E-10
IC102
B-11
IC103
E-8
IC106
H-11
Q101
F-8
Q103
G-10
(Page 30)
There are a few cases that the part printed on
this diagram isn’t mounted in this model.
this diagram isn’t mounted in this model.
HCD-VM330AV
29
29
7-9.
SCHEMATIC DIAGRAM – BD Section –
•
See page 43 for Waveforms.
•
See page 52 for IC Block Diagrams.
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
3.2
IC 106
VIDEO
BOARD (1/3)
CN501
S
OSC BUFFER
Q103
2SD1664
+3.3V
REGULATOR
DIGITAL SIGNAL PROCESSOR,
DIGITAL SERVO PROCESSOR
IC101
CXD3068Q
TP
(TEO)
TP
(FEO)
TP (DVC)
TP (RFDC)
TP
(FEI)
TP (RFAC)
TP
(VC)
RF AMP,
FOCUS/TRACKING ERROR AMP
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
Q101
AUTOMATIC
POWER CONTROL
Q101
2SB710A
M102
(SLED)
M101
(SPINDLE)
TP
(XPCK)
(Page 31)
Click on the first or last page to see other HCD-VM330AV service manuals if exist.