Sony HCD-V8800 - Power Section

HCD-V8800
— 27 — — 28 —
Rch
Q323
Rch
1
2
4
7
PROTECTOR
IC301
PROTECT
SWITCH
Q301
RY402
OVER LOAD
DET
Q601,651
THERMAL
DET
Q670,671
THP670
1
10
6
1318
RY401
–1
–2
POWER AMP
IC601
OVER LOAD
DET
Q201
Rch
POWER AMP
IC201
FRONT
REAR
CENTER
DBFB
STK MUTE
R RELAY
D5V
SWITCHED
D905
+5V
D7V
A+7.5V
A–7.5V
+5V REG
IC902
+7V REG
IC903
+12V REG
IC904
+12V
ST 10V
PRO-LOG 10V
+10V REG
IC905
+7V, –7V REG
IC901
Q907
Q901
VFDP
E,SP,IA,CH
UNREG
–12V
POWER B+
POWER B–
SURR B+
SURR B–
AC
IN
AU/D5V SW
CD POWER
6
1 10
REAR
CENTER
FRONT
FRONT
SPEAKER
TM401
PHONES
J760
Rch
HP / SP
SWITCHING
Q401,405
FRONT
REAR
CENTER
SURROUND
SPEAKER
TM402
6
–1
RELAY
DRIVE
Q404
Rch
FAN MOTOR
DRIVER
Q961, 962
M
UNREG
–12V
M901
FAN
MOTOR
REAR
CENTER
3 1
3 1
1
10
2
9
4
3 1
3 1
RELAY
DRIVE
Q403
RELAY
CONTROL
Q402
MUTE
SWITCH
Q331
POWER ON/OFF
+5V REG
Q906
+7.5
–7.5 EN
VCC
VEE
RECT
D901
VF REG
Q941
RECT
D104,105
VOLTAGE
SELECTOR
S501
RECT
D101
RECT
D102
RECT
D302,303
VF
VF
T501
POWER
TRANSFORMER
MAIN
SECTION
F
09
(Page 26)
+5V SW
Q9003
+5V REG
IC9002
3 1
Q9004
A+5V
(SW)
+5V SW
Q9001
+5V REG
IC9001
3 1
+3.3V REG
IC801
2 1
Q9002
D+5V
(UNSW)
D+5V
(SW)
D+3.3V
• R CH : Same as L ch
• SIGNAL PATH
: FM
• Abbreviation
SP : Singapore model.
IA : Indonesian model.
CH : Chinese model.
— POWER SECTION —