Sony HCD-LX7 - Power Section (LX7 Model)

HCD-LX7/LX8
23
23
– POWER SECTION – (LX7 model)
GUITAR AMP
IC852 (2/2)
J802
GUITAR
DBFB
F-RELAY
L-CH IN
EVER +5V
MIC AMP
IC850 (1/2)
MIC VOLUME
RV850
MIC AMP
IC850 (2/2)
GUITAR LEVEL
RV851
GUITAR AMP
IC852 (1/2)
STK-POWER
6
POWER AMP & VOLUME CONTROL
IC801
VOLUME
CONTROL
D802, 852
PROTECT
DC AMP
Q433-434
LATCH
DRIVER
Q432
MUTE
CONTROL
Q834
MUTE
SWITCH
Q803
HEAD PHONE
MUTE
Q833
MUTE
DRIVE
Q804
HP-MUTE
D804
TM401
L
R
FRONT
RELAY
DRIVER
Q401-402
PROTECT
SWITCH
Q439
R-CH
RY401
LATCH
DRIVER
Q437
PROTECT
SWITCH
Q431
RECT
D907-910
SUB-TRANSFORMER
T901
AC
IN
POWER
ECO
09
POWER
SWITCH
Q902
RECT
D902-905
+5.6V
REG
IC901
+5.6V
1
3
SWITCH
Q907
–30V REG
Q903, 908
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
230V
J801
MIX MIC
PROTECT
MIC-SIG
J803
PHONES
MIC-SIG
FAN DET
HP.SW
DISPLAY
SECTION
K
MAIN 1
SECTION
MAIN 2
SECTION
H
11
18
3
4
VOLUME
CONTROL
THERMAL
SENSOR
Q831-832
L-CH THERMAL
PROTECT SWITCH
Q801
UN –10V
VG
ONLY
MAIN 1
SECTION
G
(Page 20)
MAIN 1
SECTION
E
(Page 20)
MAIN 2
SECTION
L
(Page 21)
MAIN 2
SECTION
I
(Page 21)
(Page 24)
(Page 20)
(Page 21)
C
• SIGNAL PATH
: FM
• R CH : Same as L ch
MUTE
SW
Q805
FAN DETECTOR
D405
R-ch
TH831