Block Diagram - Changer, Power Supply Section - Sony HCD-C770 Service Manual

HCD-C770/C990
7-5. BLOCK DIAGRAM – CHANGER, POWER SUPPLY Section –
CHANGER CONTROLLER
STOCKER MOTOR DRIVE
IC721
M761 4 OUT1 FIN 7 20
M
(STOCKER)
2 OUT2 RIN 9 19
ROLLER MOTOR DRIVE
IC711
4 7 22
M781 OUT1 FIN
M
(ROLLER)
2 OUT2 RIN 9 21
MODE MOTOR DRIVE
IC701
M771 4 OUT1 FIN 7 23
M
(MODE)
2 OUT2 RIN 9 24
S711 (ON: When disc insert)
S711 (DISC INSERT (8/12cm))
5
S713 (ON: Play position)
S713 (DISC IN (8/12cm))
7
ON: Play position
S714
S714 (DISC IN (8cm))
(8cm disc only)
8
OFF: When disc out from
S715
S715 (DISC OUT)
play position
11
OFF: The moment disc in/out
S716
S716 (STOCKER IN/OUT)
from stocker
9
In the midst disc is moving
S717 (DISC POSITION)
between play position and stocker,
S717
ON: disc is play position side,
10
OFF: disc is stocker side
S718 (STOCKING)
12
OFF: In the midst disc is moving
S718 between play position and
stocker
DISC INSERT
DISC IN
LEVEL SHIFT
X
(Page 34) DETECT SENSOR
Q731
IC751
79
PARA-DATA 72 26
PARA-CLK 71 3
PARA-LT1 69 4
2
PARA-RST 68
PARA-DO2 67
TU-ON 50
SP RELAY 66
STOP 90
RESET SWITCH
RESET 34
Q901
SYSTEM CONTROLLER
IC901 (3/3)
POWER-SW 91
DVD-POWER 89
P-PWM 11
ST-POWER 45
(MOTOR, SWITCH)
IC902
P4
P5
P2
P3
P0
P1 DSP +2.6V
P15
P13
P12
CHANGER CONTROLLER
P9
(ROTARY ENCODER)
IC906
P11
ROTARY
P10
ENCODER
S771
P8
(MODE)
ROTARY
ENCODER
S702
(STOCKER POSITION)
DO1 15 26 DI1
DI1 DO2 25 16 DI2 DO2 25
CLK CLKO 14 3 CLK
LAT LATCHO 13 4 LAT
RESET 2 RESET
RESET SIGNAL VOLTAGE DETECT
AND GATE
IC904
GENERATOR
IC905
IC907
D812
LED DRIVE
S901 (2/2)
STANDBY
Q911, 912
POWER
U5V
S901 (1/2)
DC-DC
CONVERTER
T801
FL
FL1
TO FLUORESCENT
INDICATOR TUBE
RECT
VFL
D806 – 809
OSC
Q803, 804
+3.3V
STREAM PROCESSOR
REGULATOR
+3.3V
IC303
+5V
STREAM PROCESSOR
REGULATOR
+5V
IC302
+2.6V
REGULATOR
IC605
+3.3V
DA03V REGULATOR
IC005
+5V
DA05V,
REGULATOR
VIDEO +5V
+3.3V IC004
A3.3V REGULATOR
IC001
+5V
A5V, RF+5V REGULATOR
IC002
+5V
B+ SWITCH
D5V REGULATOR
Q003, 004
IC003
+6.5V
(AMP +6.5V)
+5V
D/A, A/D
REGULATOR
+5V
IC600
+10V
10V REGULATOR
IC601
D202, 203
B+ SWITCH
TU 10V
Q222, 223
B+ SWITCH
M12V
Q001, 002
12V
POWER ON/OFF
CONTROL
Q902, 906
D917
D900
U5V
D901
+5.6V
SYSTEM
CONTROLLER REGULATOR
+5V IC905
+2.5V
+2.5V REGULATOR
IC702
+1.8V
+1.8V REGULATOR
IC006
D3.3V
POWER ON/OFF
CONTROL
Q910, 911
36 36
+32V
(AMP +32V)
+6.5V
REGULATOR
IC903
M301
M
(FAN)
FAN MOTOR
CONTROL
Q190, 191
+12V
REGULATOR
IC908
POWER
TRANSFORMER
D900
TH901
T901
VOLTAGE
DETECT
Q992
RECT
D911
B+ SWITCH
Q990, 991
D906
+20V
REGULATOR
Q905
+6.8V
REGULATOR
Q904
BUFFER OSC
+3.3V IC909 Q912, 914
REGULATOR
IC906
POWER ON/OFF
CONTROL
Q901, 903
FAN
Y (Page 34)
S901 (1/2)
POWER
S901 (2/2)
(AC IN)
RECT LINE FILTER
D902 LF901, 902
D919 D920
3 D
D933
4 VCC
1 OCP/SYNC
D905, 907
SWITCHING ISOLATOR
5 FB/OLP
IC902 PC901
D912
POWER CONTROL
IC901