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Q Q
3 7 6 3 1 5 1 5 0
DIPLAY/KEY/POWER SECTION
FLUORESCENT INDICATOR TUBE DRIVE
DATA
2
I
C.DATA
G
MAIN
CLK
SECTION
I
2
C.CLK
(Page 22)
I
MAIN
RESET
SECTION
(Page 22)
BAND-PASS FILTER
IC603
F01
17
F02
16
F03
15
F04
14
MAIN
J
4
SECTION
SPEANA
LINE IN
(Page 22)
L+R
13
S631-663
S751-757
FUNCTION
KEY
ROTARY
S601
ENCODER
(JOG DIAL)
S601
T E
L
1 3 9 4 2 2 9 6 5 1 3
S602
ROTARY
ENCODER
VOLUME
S602
REMOTE CONTROL
RECEIVER
2
IC602
X601
12.5MHz
16
w w w
.
LED DRIVE,KEY CONTROL
FLUORESCENT
INDICATOR TUBE
IC601
FLC601
78
SDA
79
SCL
F1 F1
F2
40
.
ANODE 0
42
ANODE 23
73
RESET
64
SWITCH
GRID0
41
Q620
14
BPF1
GRID1
28
15
BPF2
GRID11
38
16
BPF3
SWITCH
17
BPF4
GRID12
39
Q621
18
ALL BAND
B+ SWITCH
D+5V
Q601,602
Q603
11
KEY-0
L.SEL
7
13
KEY-2
22
.
2
.
80
JOG-A
5
.
8
JOG-A
4
LED DRIVE
.
LED
D611-625
Q611-617
6
.
D751-753
67
.
9
VOL-A
66
.
10
VOL-A
65
19
LED
21
1
SIRCS
D754
LED DRIVE
72
X-O
STBY
74
PWR STBY
Q604
70
X-I
D626
LED DRIVE
TMR SELECT
75
TIMER
Q605
x
a o
y
i
http://www.xiaoyu163.com
8
B+
CD D+5V
SWITCH
CD A+5V
Q911,912
CD-POWER
D507
D+5V (UNSW)
H
D912
B+
AUDIO D+5V
SWITCH
Q904,905
MAIN
SECTION
POWER
(Page 22)
D501
µ CON +B
D502
µ CON +B
+5V (STBY)
+7V
REGULATOR
CONTROL SW
Q903,923
-7V
Q
Q
3
7
6
3
+7V
CD M+7V
3
REGULATOR
IC901
TC M+12V
B+
ST 10V
SWITCH
Q909
u 1 6 3
.
23
23
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2
4
9
9
8
D831
+VH
+VH
+5V
3
REGULATOR
1
IC904
-VH
POWER
AMP
D832
IC801
D918
+VL
-VL
+5V
3
REGULATOR
1
VF
IC902
SWITCH
VP
Q870
D901-904
+7V
REGULATOR
Q901,902,913
-7V
REGULATOR
Q9144,951,952
1
5
1
5
0
8
9
2
4
D907-910
1
+12V
3
REGULATOR
1
IC903
m
c o
HCD-VX3A
2
9
9
EXCEPT TH MODEL
VS901
F953
T952
VOLTAGE
SELECTOR
F955
220/240V
120V
F956
F954
TH MODEL
JW256
F951
EXCEPT TH MODEL
AC IN
R951
R952
R953
9
8
2
9
9
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