HCD-DR7AV/XB800AV
– 31 –
– 32 –
– POWER SECTION – (XB800AV model)
TM402
L
R
CENTER
SURROUND
REAR
RELAY
DRIVER
Q403, 407
PROTECT
SWITCH
Q439
R-CH
RY402
LATCH
DRIVER
Q437
PROTECT
SWITCH
Q431
RECT
D907-910
SUB-TRANSFORMER
T901
AC
IN
POWER
SWITCH
Q902
RECT
D902-905
+5.6V
REG
IC901
+5.6V
VF
1
3
SWITCH
Q907
–30V REG
Q903
SWITCH
Q904-905
SWITCH
Q906
VF
VF
RECT
D831
+VH
RECT
D841-844
+VL
–VL
RECT
D832
POWER
TRANSFORMER
T951
RECT
D833-836
+UNREG. 12V
+UN 10V
–VH
STANDBY
RELAY CONTROL
Q901
STANDBY
RELAY
RY901
JW954
REAR-L
CENTER
PL-RELAY
F-RELAY
L-CH IN
EVER +5V
MIC VOLUME
RV850
MIC AMP
IC850 (1/2)
8
2
LPF 1 OUT
LPF 2 OUT
ECHO CONTROL
IC851
11
9
LPF 2 IN
OP 2 IN
10
OP 2 OUT
1
LPF 1 IN
MIC LEVEL
RV851
MIC AMP
IC850 (2/2)
STK-POWER
13
8
POWER AMP & VOLUME CONTROL
IC801
VOLUME
CONTROL
D802, 852
MUTE
CONTROL
Q834
MUTE
SWITCH
Q803
HEAD PHONE
MUTE
Q833
MUTE
DRIVE
Q804
HP-MUTE
D804
TM401
L
R
FRONT
RELAY
DRIVER
Q401-402
R-CH
RY401
POWER
ECO
09
J801
MIX MIC
PROTECT
14
XB800AV
7
XB800AV
MIC-SIG
J803
PHONES
MIC-SIG
HP.SW
DISPLAY
SECTION
K
MAIN 1
SECTION
MAIN 2
SECTION
H
15
22
12
5
6
THERMAL
SENSOR
VOLUME
CONTROL
THERMAL
SENSOR
Q831-832
L-CH THERMAL
PROTECT SWITCH
Q801
MAIN 1
SECTION
G
(Page 26)
MAIN 1
SECTION
E
(Page 26)
MAIN 2
SECTION
L
(Page 28)
MAIN 1
SECTION
M
(Page 26)
MAIN 2
SECTION
N
(Page 27)
MAIN 2
SECTION
I
(Page 27)
(Page 33)
(Page 25)
(Page 27)
C
• SIGNAL PATH
: FM
• R CH : Same as L ch
PROTECT
DC AMP
Q433-434
LATCH
DRIVER
Q432
www.freeservicemanuals.info
18/2/2013
www.nostatatech.nl
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