Block Diagram - Panel/Power Supply Section - Sony HCD-HDX277WC Service Manual

HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
Q Q
3 7 6 3 1 5 1 5 0
6-5.

BLOCK DIAGRAM - PANEL/POWER SUPPLY Section -

DIAG DC DETECT
(Page 31) R
Q631, 632
FLUORESCENT INDICATOR
TUBE DRIVER
IC100
ND100
FLUORESCENT
DIN 7 24 FL_D_OUT/LED_DATA
INDICATOR
CLK 8 21 FL_CLK/LED_CLK
TUBE
STB 9 23 FL_STB
LED DRIVER
IC103
DATA 3
LED DRIVE
(ORG) 15 Q9
Q110 CLK 4
D108
LCK 5 81 LED_LATCH
DISC 1
LED DRIVE
(GRN) 14 Q8
Q109
LED DRIVE
(ORG) 13 Q7
Q108
D107
DISC 2
LED DRIVE
(GRN) 12 Q6
Q107
LED DRIVE
T E
L 1 3 9 4 2 2 9 6 5 1 3
(ORG) 11 Q5
Q106
D106
DISC 3
LED DRIVE
(GRN) 10 Q4
Q105
LED DRIVE
(ORG) 9 Q3
Q104
D105
DISC 4
LED DRIVE
(GRN) 8 Q2
Q103
LED DRIVE
(ORG) 7 Q1
Q102
D104
DISC 5
LED DRIVE
(GRN) 6 Q0
Q101
ROTARY
10
VOLUME
ENCOCER
11
S112
w w w
REMOTE CONTROL
RECEIVER
IC101
74
S100 – 111, 922
(FRONT & TOP PANEL KEY)
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
FL
FOR FLUORESCENT
INDICATOR TUBE FL
VFL
+5V
A+5V REGULATOR
IC507
P_CONT2 40
AUDIO+5V
+3.3V
SERVO+3.3V REGULATOR
IC1105
+3.3V
SERVO+3.3V REGULATOR
IC1708
SYSTEM CONTROLLER
IC501 (5/5)
+3.3V
RF+3.3V REGULATOR
IC1107
+3.3V
S-AIR RT+3.3V REGULATOR
IC800
P_CONT3 41
S-AIR CON+4V
(HCD-HDX275/HDX475/HDX675)
SW+3.3V
D+3.3V
AMP+1.8V
EN_A
EN_B
SERVO DSP+1.8V
4 SIRCS_IN
P_CONT1 39
x a o
y
KEY INT
E+3.3V
. i
AC_CUT 20 BU+3.3V
RESET RESET SIGNAL
RESET 12 SWITCH GENERATOR
Q503 IC503
http://www.xiaoyu163.com
+9V
M+13V
A+9V REGULATOR
IC413
+12V
A+12V, M+12V
REGULATOR
IC941
B+ SWITCH
M+9V
Q945
+5V
REGULATOR
IC502
RECT
D100, 101
T100
OSC
DC/DC
Q100
CONVERTER
+5V
DMPORT+5V REGULATOR
IC201
SW+9V
+5V
V+5V
REGULATOR
IC620
LED+6V
Q Q
3 7 6
+5V
REGULATOR
IC505
(HCD-HDX277WC/HDX279W/HDX576WF)
+3.3V
S-AIR+3.3V REGULATOR
IC806
B+ SWITCH
Q120, 121
+3.3V
REGULATOR
IC102
+3.3V
REGULATOR
IC506
SHUNT
+1.8V
REGULATOR
REGULATOR
IC922
IC3050
POWER ON/OFF
+1.8V
CONTROL
REGULATOR
Q930 – 932
IC1110
u 1 6 3
D502
D504
.
32 32
2 4
8 9 9
T903
SUB POWER
TRANSFORMER
RECT
D912
RECT
D916
T901
MAIN POWER
TRANSFORMER
RECT
AMP+32V
D931
RECT
D911
POWER ON/OFF
ISOLATOR
3 1 5 1 5 0 8 9 2
CONTROL
PC903
Q943, 947, 949, 950
SHUNT
ISOLATOR
REGULATOR
PC901
IC931
DZ904
D902
RIPPLE FILTER
Q922
RECT
D947
ISOLATOR
PC902
STANDBY
ISOLATOR
CONTROL
PC904
Q921
m
c o
2
8 9 9
POWERCONTROL
IC901
D906, 907
OCP/
1
SYNC
D905 D908
B+ SWICH
4 VCC
Q901
D910
3 D
4 9 8 2 9 9
5 FB/OLP
POWER CONTROL
IC921
4 VCC
1 ZC
2 FB
7 VIN
9 D
(AC IN)
TH901
F901
RECT LINE FILTER
D901 LF901, 902