Read Sony AVD-S50 / AVD-S50ES (serv.man2) Service Manual online
7
7
AVD-S50/S50ES
5. BLOCK DIAGRAM — CHANGER, POWER SUPPLY SECTION —
(Page 5)
(Page 6)
(Page 4)
48
49
72
73
73
71
69
68
11
45
89
26
25
25
3
4
2
24
23
22
+2.5V
REGULATOR
IC702
B+ SWITCH
Q001,002
50
90
90
34
5
21
20
20
19
16
17
24
25
67
70
LOADING
MOTOR
DRIVER
DRIVER
COMPARATOR
IC909
LINE FILTER
LF901,902
REGULATOR
Q910
+5V
REGULATOR
IC003
VOLTAGE
CHECK
IC905
B+ SWITCH
Q003,004
ISOLATOR
PC901
+5V
REGULATOR
IC002
+3.3V
REGULATOR
IC001
-12V
REGULATOR
IC906
+6.5V
REGULATOR
IC904
-5V
REGULATOR
IC911
OSC
Q871,872
RECT
D871-874
+7.5V
REGULATOR
Q680-682
+10V
REGULATOR
IC601
+5V
REGULATOR
IC600
+5V
REGULATOR
IC004
+3.3V
REGULATOR
IC005
+2.6V
REGULATOR
IC605
+5V
REGULATOR
IC771
DC/DC
CONTROL
Q903
VOLTAGE
CHECK
IC903
POWER
CONTROL
Q908,909
918,919
+5.6V
REGULATOR
IC908
POWER
CONTROL
Q912,914
+5V
REGULATOR
IC650
POWER
CONTROL
Q902,905
+3.3V
REGULATOR
IC910
RECT
D905
D905
SWITCH
Q904
POWER
CONTROL
Q311
POWER
CONTROL
Q310
+9V
REGULATOR
IC907
REGULATOR
CONTROL
IC324
+3.3V
REGULATOR
IC323
+5V
REGULATOR
IC322
A-SEL0
A-SEL1
A-SEL2
A-SEL2
V-SEL0
V-SEL1
V-SEL2
A-SEL0
A-SEL1
A-SEL2
A-SEL2
V-SEL0
V-SEL1
V-SEL2
I/P SEL
V MUTE
V MUTE
DI1
DO2
CLK
OUT SW
LAT
RESET
VIDEO MUTE
I/P SEL
PARA-DATA
PARA-DOI
PARA-CLK
PARA-LTI
PARA-RST
CKMP
CKMM
P-PWM
DVD-P0WER
ST-POWER
FM750
STOP
RESET
4
1
4
1
5
3
5
DRAIN
VCC
OCP/SYNC
FB/OLP
VCC
DRAIN
OCB/FB
T871
DC/DC CONVERTER
FM7.5V
+5V
REGULATOR
IC762
RGB5V
VFL
FL
FL
A5V
-5V
D5V
A+3.3V
-12V
+12V
+6.5V
+1.8V
D3.3V
+2.5V
M12V
+12V
+6.5V
D/A,A/D
+5V
DSP2.6V
10V
DAO3V
D-AMP 3.3V
D-AMP 5V
D-AMP 9V
DAO5V
VIDEO +5V
S VIDEO
+5V
DIGITAL
I/O +5V
U5V
P-STOP
SYSTEM
CONTROLER
+5V
D900
D921
D920
Q920
Q907
CNP1
D901
FAN1
FAN MOTOR
+1.8V
REGULATOR
IC006
Q913
D914
D913
D915
Q911
SWITCH
Q901
RESET
IC912
RESET
SWITCH
Q901
D912
D906
D902
D904
D929
D903
+VOLTAGE
CONTROL
Q906,917
D917
POWER
TRANSFORMER
T901
4.5V
+15V
DC/DC CONVERTER
T902
SYSTEM CONTROLLER
IC901 (3/3)
CHANGER CONTROLLER
IC902
A-SEL0,A-SEL1,A-SEL2
V-SEL0,V-SEL1,V-SEL2
I/P SEL,VMUTE
I/P SEL,VMUTE
M151
(LOADING)
LOADING MOTOR DRIVER
IC501 (2/2)
FAN DRIVE
Q915,916
TO FLUORESCENT
INDICATOR TUBE
DC/DC CONVERTER DRIVE
IC901
ISOLATOR
PC902
DC/DC CONVERTER DRIVE
IC902
POWER
S901
Y
P
R
AEP,UK ONLY
US,CND ONLY
6
IN SW
S272
LOADING
IN
S271
LOADING
OUT
