Power Section (Xb800Av Model); Display Section - Sony HCD-DR7AV Service Manual

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– POWER SECTION – (XB800AV model)
J801
MIX MIC
MAIN 1 F-RELAY
G
SECTION
(Page 26)
MAIN 1
E
SECTION L-CH IN
(Page 26)
XB800AV
MAIN 2
L
SECTION
EVER +5V
(Page 28)
HP-MUTE
STK-POWER
PROTECT
MAIN 2
I
SECTION
(Page 27)
POWER
ECO
MAIN 1 REAR-L
M
SECTION
(Page 26)
CENTER
MAIN 2
N
SECTION PL-RELAY
(Page 27)
• R CH : Same as L ch
• SIGNAL PATH
: FM
09
MIC AMP MIC VOLUME
IC850 (1/2) RV850
9
11
1
POWER AMP & VOLUME CONTROL
IC801
22 15
14 7 XB800AV
THERMAL VOLUME
SENSOR CONTROL
8 5 6
13 12
VOLUME
CONTROL
D802, 852
THERMAL
SENSOR
D804
Q831-832
MUTE
CONTROL
Q834
HEAD PHONE
MUTE
Q833
MUTE MUTE
DRIVE SWITCH
Q804 Q803
– 31 –
18/2/2013
ECHO CONTROL MIC LEVEL MIC AMP
IC851 RV851 IC850 (2/2)
LPF 2 IN LPF 1 OUT 2
OP 2 IN LPF 2 OUT 8
LPF 1 IN OP 2 OUT 10
RY401
RELAY
DRIVER
Q401-402
PROTECT LATCH
DC AMP DRIVER
Q433-434
Q432
L-CH THERMAL
PROTECT SWITCH
Q801
RELAY
DRIVER
Q403, 407
LATCH
DRIVER
Q437
PROTECT
SWITCH
Q439
+VH
RECT
–VH D831
+5.6V
–30V REG
VF
Q903
SWITCH
Q907
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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
TM402 SURROUND
RY402
L
REAR
R-CH
R
CENTER
PROTECT
SWITCH
Q431
POWER
TRANSFORMER
T951
RECT
+UNREG. 12V
D833-836
RECT
+UN 10V
D841-844
JW954
+VL
RECT
D832
–VL
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
– 32 –
www.nostatatech.nl
HCD-DR7AV/XB800AV
STANDBY
RELAY
RY901
AC
IN