Power Section (W300, W5000, Xb500 Model) - Sony HCD-DR4 Service Manual

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– 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)
HEAD PHONE
HP-MUTE
STK-POWER
PROTECT
MAIN 2
I
SECTION
(Page 27)
W300, W5000, XB500
POWER
ECO
• R CH : Same as L ch
• SIGNAL PATH
: FM
09
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
PROTECT
VOLUME
CONTROL
Q433-434
D802, 852
THERMAL
SENSOR
PROTECT SWITCH
Q831-832
MUTE
CONTROL
Q834
MUTE
Q833
MUTE
MUTE
DRIVE
SWITCH
Q804
Q803
– 31 –
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
LATCH
DC AMP
DRIVER
Q432
L-CH THERMAL
LATCH
PROTECT
DRIVER
SWITCH
Q801
Q437
Q431
PROTECT
SWITCH
Q439
+VH
RECT
–VH
D831
+5.6V
3
–30V REG
VF
Q903
SWITCH
Q907
HCD-DR4/DR5/DR6/DR440/W300/W5000/XB500
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
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
REG
1
D902-905
IC901
POWER
RECT
SWITCH
D907-910
Q902
SWITCH
Q904-905
VF
VF
SWITCH
Q906
– 32 –
STANDBY
RELAY
RY901
AC
IN

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Hcd-dr5Hcd-dr6Hcd-dr440Hcd-w300Hcd-w5000Hcd-xb500

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