Sony HCD-LV80 - Power Section

HCD-LV80
25
25
F-RELAY
L-CH IN
EVER +5V
STK-POWER
11
6
3
4
VOLUME
CONTROL
18
POWER AMP & VOLUME CONTROL
IC801
VOLUME
CONTROL
D802, 852
THERMAL
SENSOR
Q831-832
PROTECT
DC AMP
Q433-434
L-CH THERMAL
PROTECT SWITCH
Q801
LATCH
DRIVER
Q432
MUTE
CONTROL
Q834
MUTE
SWITCH
Q803
HEAD PHONE
MUTE
Q833
MUTE
DRIVE
Q804
HP-MUTE
PROTECT
09
D804
J803
TM401
PHONES
L
R
FRONT
RELAY
DRIVER
Q401-402
PROTECT
SWITCH
Q439
R-CH
RY401
LATCH
DRIVER
Q437
PROTECT
SWITCH
Q431
SWITCH
Q908
–35V REG
Q903
RECT
D831
VF (–35V)
+VH
VF
VF
RECT
D833-836
+UNREG. 12V
UN +10V
UN –10V
RECT
D841-844
AC-L
AC-L
RECT
D832
POWER
TRANSFORMER
T951
VOLTAGE
SELECTOR
VS901
AC
IN
MAIN (1/2)
SECTION
G
(Page 22)
MAIN (2/2)
SECTION
I
(Page 23)
HP.SW
DISPLAY
SECTION
K
(Page 26)
MAIN (1/2)
SECTION
Q
(Page 22)
MAIN (2/2)
SECTION
H
(Page 23)
JW971
240V
230V
120V
F951
MAIN (1/2)
SECTION
E
(Page 22)
MAIN (2/2)
SECTION
L
(Page 23)
• SIGNAL PATH
: FM
• R CH : Same as L ch
MUTE
SW
Q805
FAN DET
FAN DETECTOR
D405
DBFB
R-ch
TH831
MIC 2
MIC 1
MIC LEVEL
RV750
MIC AMP
IC850 (1/2)
8
2
LPF 1 OUT
LPF 2 OUT
ECHO CONTROL
IC851
9
1
LPF 1 IN
LPF 2 IN
10
OP 2 OUT
11
OP 2 IN
ECHO LEVEL
RV751
MIC AMP
IC850 (2/2)
MIC-SIG
MIC-SIG
J801
J802
– POWER SECTION –