Power Supply Section - Sony HCD-SC5 Service Manual

HCD-SC5/SC6/SC8
– POWER SUPPLY SECTION –
S701 (DISC IN/OUT)
FIN
78 SW1
F-IN 68 7
RIN
81
SEN2 R-IN 69 9
SW1
AUDIO OUT
Y
SECTION
FM750 50
S702 (CHUCK)
67 SW2
S703 (TRIGGER)
STOP 90
79 SW3
RESET 34
IC901 (3/3)
SYSTEM CONTROLLER
PCON3 66
POWER-SW 91
DVD-POWER 89
P-PWM 11
ST-POWER 45
STREAM PROCESSOR
IC701
LOADING MOTOR
DRIVER
OUT2
2 M701
MOTOR
M
OUT1
(LOADING)
DRIVE 4
IC907
Q901 IC905
RESET SIGNAL
RESET SWITCH AND GATE
GENERATOR VOLTAGE DETECT
D812
Q911, 912
(STANDBY)
LED DRIVE
T801
DC-DC
CONVERTER
FL58
FL1
TO FLUORESCENT
INDICATOR TUBE
D806 – 809
VFL
RECT
Q803, 804
OSC
IC308
+1.8V
+1.8V
REGULATOR
IC307
STREAM PROCESSOR
+3.3V
+3.3V
REGULATOR
IC306
POWER DRIVER
+5V
+5V
REGULATOR
IC605
DSP +2.6V +2.6V
REGULATOR
IC005
DA03V
+3.3V
REGULATOR
IC004
+5V
DA05V
IC001 REGULATOR
A3.3V
+3.3V
REGULATOR
IC002
A5V, RF+5V +5V
REGULATOR
IC003
D5V +5V
REGULATOR
+6.5V
(AMP +6.5V)
IC600
D/A, A/D
+5V
+5V
REGULATOR
IC601
10V +10V
REGULATOR
D202, 203
Q222, 223
TU 10V
B+ SWITCH
M12V
12V
D917
D900
U5V
D901 IC905, D915
SYSTEM
+5.6V
CONTROLLER
+5V REGULATOR
D913
IC904
IC702
+2.5V +2.5V
REGULATOR
IC006
+1.8V +1.8V
REGULATOR
D3.3V
Q902, 906
POWER ON/OFF
CONTROL
36 36
+32V
(AMP +32V)
IC903
+6.5V
REGULATOR
IC908
+12V
REGULATOR
T901
POWER
D900 TH901
TRANSFORMER
Q992
VOLTAGE
DETECT
D911
RECT
Q990, 991
B+ SWITCH
D906
Q905
+20V
REGULATOR
Q904
+6.8V
REGULATOR
IC909 Q912, 914 IC902
IC906
BUFFER SWITCHING ERROR AMP
+3.3V
REGULATOR
Q901, 903
POWER ON/OFF
CONTROL
PC902
Q907
AC DET ISOLATOR
(AC IN)
D902 LF901, 902
RECT LINE FILTER
IC901
D919 D920
POWER CONTROL
3 D
D933
4 VCC
1 OCP/SYNC
D905, 907
2 GND
PC901
5 FB/OLP
ISOLATOR
D912