Power Section - Sony hcd-fc7 Service Manual

HCD-FC7
Q Q
– POWER SECTION –
3 7 6 3 1 5 1 5 0
IC721
STOCKER MOTOR DRIVE
M761 4 OUT1 FIN 7
M
(STOCKER)
2 OUT2 RIN 9
IC711
ROLLER MOTOR DRIVE
4 7
M781 OUT1 FIN
M
(ROLLER) 2 9
OUT2 RIN
IC701
MODE MOTOR DRIVE
4 OUT1 FIN 7
M771 M
(MODE)
2 OUT2 RIN 9
S713 (ON: Play position)
S713 (DISC IN (8/12cm))
ON: Play position
S714
S714 (DISC IN (8cm))
(8cm disc only)
OFF: When disc out from
S715
S715 (DISC OUT)
play position
OFF: The moment disc in/out
S716
S716 (STOCKER IN/OUT)
from stocker
In the midst disc is moving
S717 (DISC POSITION)
between play position and stocker,
S717
ON: disc is play position side,
OFF: disc is stocker side
S718 (STOCKING)
OFF: In the midst disc is moving
S718 between play position and
stocker
IC751
DISC IN
AUDIO OUT Q731
X DISC INSERT
SECTION T E LEVEL SHIFT
L 1 3 9 4 2 2 9 6 5 1 3
DETECT SENSOR
79
PARA-DATA 72
PARA-CLK 71
PARA-LT1 69
PARA-RST 68
PARA-DO2 67
S711 (DISC INSERT (8/12cm))
(ON: When disc insert)
78 LSEN
TU-ON 50
81 SEN2
SEN1C
AUDIO OUT
Y
SECTION
STOP 90
RESET 34
IC901 (3/3)
SYSTEM CONTROLLER
PCON3 66
w w w
POWER-SW 91
DVD-POWER 89
P-PWM 11
ST-POWER 45
IC902
CHANGER CONTROLLER
(MOTOR, SWITCH)
20 P4
19 P5
STREAM PROCESSOR
22
P2
21
P3
24
P0
23 P1
7 P13
8 P12
IC906
11 P9
CHANGER CONTROLLER
(ROTARY ENCODER)
9 P11
S771
10 P10
ROTARY
ENCODER
12 P8
(MODE)
S702
ROTARY
ENCODER
(STOCKER POSITION)
DO1 15 26 DI1
26 DI1 DO2 25 16 DI2 DO2 25
3 CLK CLKO 14 3 CLK
4 LATCH LATCHO 13 4 LATCH
2 RESET-B 2 RESET-B
IC907
IC905
Q901
RESET SIGNAL
RESET SWITCH AND GATE
GENERATOR
VOLTAGE DETECT
D812
Q911, 912
(STANDBY)
LED DRIVE
x a o
. i
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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
DA05V +5V
IC001
REGULATOR
A3.3V +3.3V
REGULATOR
IC002
A5V, RF+5V +5V
REGULATOR
IC003
D5V +5V
REGULATOR
+6.5V
(AMP +6.5V)
Q Q
3 7 6
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
SYSTEM IC905, D915
CONTROLLER +5.6V
+5V REGULATOR
D913
IC904
IC702
+2.5V
+2.5V
REGULATOR
IC006
+1.8V +1.8V
REGULATOR
D3.3V
u 1 6 3 Q902, 906
y
POWER ON/OFF
CONTROL
40 40
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2 4
8 9 9
+32V
(AMP +32V)
IC903
+6.5V
REGULATOR
3 1 5 1 5 0 8 9 2
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
IC906 BUFFER SWITCHING
+3.3V m
REGULATOR
c o POWER ON/OFF
.
Q907
ISOLATOR
AC DET
2
8 9 9
4 9 8 2 9 9
(AC IN)
D902 LF901, 902
RECT LINE FILTER
IC901
D919 D920
POWER CONTROL
3 D
D933
4 VCC
1 OCP/SYNC
D905, 907
IC902 PC901
5 FB/OLP
ERROR AMP ISOLATOR
D912
Q901, 903
CONTROL
PC902