Read Sony HCD-VM330AV Service Manual 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
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