Sony HCD-S550 - Block Diagram - MECHANISM DECK, POWER SUPPLY Section

HCD-S550/S880
3232
7-5. BLOCK DIAGRAM – MECHANISM DECK, POWER SUPPLY Section –
3
POWER CONTROL
IC901
D
(AC IN)
S901 (2/2)
FAN
S901 (1/2)
TH901
POWER
TRANSFORMER
T901
M301
(FAN)
D919 D920
D933
D912
VCC
D906
12V
D905, 907
RECT
D902
LINE FILTER
LF901, 902
ISOLATOR
PC901
OSC
Q912, 914
BUFFER
IC909
B+ SWITCH
Q001, 002
RESET SWITCH
Q901
VOLTAGE DETECT
IC904
AND GATE
IC905
4
VCC
1
OCP/SYNC
5
FB/OLP
RECT
D911
POWER
SWITCHING
IC902
+20V
REGULATOR
Q905
POWER ON/OFF
CONTROL
Q901, 903
POWER ON/OFF
CONTROL
Q902, 906
FAN MOTOR
CONTROL
Q190, 191
+6.8V
REGULATOR
Q904
+12V
REGULATOR
IC908
+10V
REGULATOR
IC601
+5V
REGULATOR
IC600
VOLTAGE
DETECT
Q992
+6.5V
REGULATOR
IC903
M12V
D203
U5V
S901 (1/2)
10V
D/A, A/D
+5V
LED DRIVE
Q911, 912
POWER ON/OFF
CONTROL
Q910, 911
B+ SWITCH
Q222, 223
TU 10V
+3.3V
REGULATOR
IC906
B+ SWITCH
Q990, 991
M
+6.5V
(AMP +6.5V)
+32V
(AMP +32V)
B+ SWITCH
Q003, 004
+5V
REGULATOR
IC004
+3.3V
REGULATOR
IC005
D5V
DA05V,
VIDEO +5V
DA03V
+5V
REGULATOR
IC003
+2.6V
REGULATOR
IC605
DSP +2.6V
FL
FL1
VFL
+3.3V
REGULATOR
IC001
A3.3V
+5V
REGULATOR
IC002
A5V, RF+5V
+5V
REGULATOR
IC302
+3.3V
REGULATOR
IC303
STREAM PROCESSOR
+5V
STREAM PROCESSOR
+3.3V
TO FLUORESCENT
INDICATOR TUBE
DC/DC
CONVERTER
T801
D3.3V
+1.8V
REGULATOR
IC006
+2.5V
REGULATOR
IC702
+2.5V
+1.8V
+5.6V
REGULATOR
IC905
SYSTEM
CONTROLLER
+5V
D901
D900
D917
RESET SIGNAL
GENERATOR
IC907
U5V
RECT
D806 – 809
OSC
Q803, 804
D900
66SP RELAY
50TU-ON
34RESET
72PARA-DATA
90STOP
91POWER-SW
89DVD-POWER
45ST-POWER
11P-PWM
S901 (2/2)
SYSTEM CONTROLLER
IC901 (3/3)
POWER
D812
STANDBY
P1
P0
OUT1 FIN
OUT2 RIN
LOADING MOTOR DRIVE
IC711
MECHANISM DECK
CONTROLLER
IC902
M711
(LOADING)
M
7
9
4
2
23
24
P3
P2
P10 – P13
OUT1 FIN
OUT2 RIN
EJECT MOTOR DRIVE
IC701
M751
(ELECT)
M
7
9
4
2
21
22
P15
P14
5
EJECT
INSERT
(MODE)
6
S711
(DISC IN/OUT)
DI1
26
67
81
PARA-DO2
SEN2
78OPT-SEN2
DO2
25
71PARA-CLK
CLK
3
69PARA-LT1
LAT
4
68PARA-RST
RESET
2
ROTARY
ENCODER
S741
7 – 10
DISC IN
X
(Page 30)
Y
(Page 30)
LED DRIVE
Q701
P2
20
DISC INSERT
DETECT SENSOR
IC731
79OPT-SEN
CHUCKING
DETECT SENSOR
IC721