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HCD-VM330AV
Q Q
3 7 6 3 1 5 1 5 0
7-6.
BLOCK DIAGRAM – DISPLAY/POWER SUPPLY Section –
FL701
FLUORESCENT
INDICATOR TUBE
GRID DRIVE
GRID DRIVE
Q721 – 723
Q721 – 723
BAND-PASS
FILTER
IC703
SPE ANA
X
K
4 LINE IN
(Page 24)
L+R
13
ROTARY
VOLUME
ENCODER
RV701
ROTARY
DISC
ENCODER
ACCESS
RV702
T E
L
1 3 9 4 2 2 9 6 5 1 3
X701
4MHz
IIC-DATA,
IIC-CLK
X
C
(Page 22)
w w w
GRID DRIVE
LED DRIVE
D703 – 707
Q713 – 717
Q721 – 723
LED DRIVE
D708, 736,
Q702 – 705, 718
D781, 782, 791
S701, 741 – 745,
S750 – 757, 760 – 767,
S771 – 777
DISPLAY CONTROLLER
IC701
S791
CD LID
DOOR SW
59
OPEN/CLOSE
DETECT
71 L+R
66 VOL A
67 VOL B
VIDEO +3.3V
64 JOG A
65 JOG B
SYSTEM CONTROLLER
IC801 (5/5)
82 X0
SDA
60
30 IIC DATA
CD POWER
83 X1
SCL
61
29 IIC CLK
RSTX
77
43 FL-RESET
S700
74 POWER KEY
73 DISPLAY KEY
J801
S770
KEYBOARD
DISPLAY
4
+5V
B+ 5V
1
SDA
36 KB-SDA
20 KB-SCL
SCL
5
37 KB-CTRL
POWER STBY
REMOTE CONTROL
4 RMC
RECEIVER
IC702
15 XIN
X802
16MHz
13 XOUT
x
a o
y
10 SUBXIN
.
i
X801
32.768kHz
11 SUBXOUT
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+3.3V
REGULATOR
Q531
Q
Q
3
7
6
+5V
B+ SWITCH
+5V (SW)
REGULATOR
Q361, 362
IC906
81
D701, 702
FL +3.3V
+5V
B+ 5V
REGULATOR
IC905
MOTOR +12V
+7V
REGULATOR
FM +7V
Q352
REGULATOR
FM-ON
71
CONTROL
Q350, 351
42
D802
BU +5V
+5.6V
U-COM +5V
REGULATOR
Q802, 803
D803
RESET
RESET SIGNAL
u 1 6 3
RESET
12
SWITCH
GENERATOR
Q801
IC802
D806
AC CUT
82
26
26
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2
4
8
9
9
3
1
5
1
5
0
8
9
+5V
COM +5V
REGULATOR
IC904
+8V
R AMP B+
RECT
CD +8V
REGULATOR
D507
R AMP B–
IC903
F AMP B+
RECT
D511
F AMP B–
+12V
– 33V
REGULATOR
VP – 33V
REGULATOR
Q902
Q397
D901
RECT
VF1
TO FLUORESCENT
INDICATOR TUBE
FL701
VF2
+9V
RECT
AU +9V
REGULATOR
D961 – 964
IC901
D866
RELAY DRIVE
Q901
TRANSFORMER
RECT
m
D911 – 914
c o
.
2
8
9
9
2
4
9
8
2
9
9
T901
POWER
TRANSFORMER
(MAIN)
RY901
T902
POWER
(SUB)
VOLTAGE
SELECTOR
(AC IN)
S901
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