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Q Q
3 7 6 3 1 5 1 5 0
– POWER SECTION – (W300, W5000, XB500 model)
J801
MIX MIC
MAIN 1
F-RELAY
G
SECTION
(Page 26)
MAIN 1
E
SECTION
22
L-CH IN
(Page 26)
W300
W5000
14
XB500
MAIN 2
D804
L
SECTION
EVER +5V
(Page 28)
HP-MUTE
T E
L
1 3 9 4 2 2 9 6 5 1 3
STK-POWER
PROTECT
MAIN 2
I
SECTION
(Page 27)
W300, W5000, XB500
POWER
ECO
• R CH : Same as L ch
• SIGNAL PATH
: FM
09
w w w
.
MIC AMP
MIC VOLUME
ECHO CONTROL
IC850 (1/2)
RV850
9
LPF 2 IN
OP 2 IN
11
1
LPF 1 IN
POWER AMP & VOLUME CONTROL
IC801
15
W300
W5000
7
XB500
THERMAL
VOLUME
SENSOR
CONTROL
8
5 6
13
12
VOLUME
CONTROL
D802, 852
THERMAL
SENSOR
Q831-832
MUTE
CONTROL
Q834
HEAD PHONE
MUTE
Q833
MUTE
MUTE
DRIVE
SWITCH
Q804
Q803
x
a o
y
i
– 31 –
http://www.xiaoyu163.com
8
MIC LEVEL
MIC AMP
IC851
RV851
IC850 (2/2)
2
LPF 1 OUT
LPF 2 OUT
8
OP 2 OUT
10
RY401
RELAY
DRIVER
Q401-402
PROTECT
LATCH
DC AMP
DRIVER
Q433-434
Q432
L-CH THERMAL
LATCH
PROTECT
PROTECT SWITCH
DRIVER
SWITCH
Q801
Q437
Q431
PROTECT
SWITCH
Q439
Q
Q
3
7
6
3
+VH
RECT
–VH
D831
+5.6V
–30V REG
VF
Q903
SWITCH
Q907
u 1 6 3
.
http://www.xiaoyu163.com
HCD-DR4/DR5/DR6/DR440/W300/W5000/XB500
2
4
9
9
8
DISPLAY
K
SECTION
MIC-SIG
(Page 33)
MAIN 1
C
SECTION
MIC-SIG
(Page 25)
J803
PHONES
MAIN 2
H
HP.SW
SECTION
(Page 27)
TM401
L
FRONT
R-CH
R
JW76
TM402
L
REAR
R-CH
R
W300 ONLY
POWER
TRANSFORMER
1
5
1
5
0
8
9
2
4
T951
RECT
+UNREG. 12V
D833-836
XB500 ONLY
UN +10V
RECT
230V
D841-844
UN –10V
JW954
+VL
RECT
F951
D832
–VL
120V
W300
W5000
ONLY
STANDBY
RELAY CONTROL
Q901
SUB-TRANSFORMER
T901
+5.6V
RECT
3
REG
1
D902-905
IC901
POWER
RECT
SWITCH
D907-910
Q902
SWITCH
Q904-905
VF
VF
SWITCH
Q906
m
c o
– 32 –
2
9
9
9
8
2
9
9
STANDBY
RELAY
RY901
AC
IN
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