DAV-HDX275, DAV-HDX277WC, DAV-HDX279W, DAV-HDX475, DAVHDX576WF, DAV-HDX675, HCD-HDX275, HCD-HDX277WC, HCD-HDX279W, HCD-HDX475, HCD-HDX576WF, HCD-HDX675 - Sony Audio Service Manual (repair manual). Page 32

Read Sony DAV-HDX275 / DAV-HDX277WC / DAV-HDX279W / DAV-HDX475 / DAVHDX576WF / DAV-HDX675 / HCD-HDX275 / HCD-HDX277WC / HCD-HDX279W / HCD-HDX475 / HCD-HDX576WF / HCD-HDX675 Service Manual online

HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
32
32
6-5.  BLOCK  DIAGRAM  - PANEL/POWER SUPPLY Section -
POWER CONTROL
IC921
D902
DZ904
D908
D906, 907
D905
RESET
SYSTEM CONTROLLER
IC501 (5/5)
AMP+32V
RESET
SWITCH
Q503
8
CLK
9
STB
7
DIN
ND100
FLUORESCENT
INDICATOR
TUBE
GR1 – GR12
SG2 – SG16
42 – 31
15 – 29
24 FL_D_OUT/LED_DATA
21 FL_CLK/LED_CLK
23 FL_STB
81 LED_LATCH
FLUORESCENT INDICATOR
TUBE DRIVER
IC100
4
CLK
5
LCK
3
DATA
LED DRIVER
IC103
Q8
Q9
15
(ORG)
(GRN)
14
D108
DISC 1
Q6
Q7
13
(ORG)
(GRN)
12
D107
DISC 2
Q4
Q5
11
(ORG)
(GRN)
10
D106
DISC 3
Q2
Q3
9
(ORG)
(GRN)
8
D105
DISC 4
Q0
Q1
7
(ORG)
(GRN)
6
D104
DISC 5
LED DRIVE
Q101
LED DRIVE
Q102
LED DRIVE
Q103
LED DRIVE
Q104
LED DRIVE
Q105
LED DRIVE
Q106
LED DRIVE
Q107
LED DRIVE
Q108
LED DRIVE
Q109
LED DRIVE
Q110
KEY0 – KEY2
S100 – 111, 922
(FRONT & TOP PANEL KEY)
97, 95, 94
SIRCS_IN
REMOTE CONTROL
RECEIVER
IC101
4
EN_B
11
EN_A
10
KEY INT
74
(AC IN)
F901
LINE FILTER
LF901, 902
RECT
D901
TH901
9 D
7 VIN
4 VCC
1 ZC
2 FB
POWERCONTROL
IC901
3 D
5 FB/OLP
1
OCP/
SYNC
4 VCC
RIPPLE FILTER
Q922
ISOLATOR
PC902
ISOLATOR
PC901
ISOLATOR
PC903
B+ SWICH
Q901
T903
SUB POWER
TRANSFORMER
T901
MAIN POWER
TRANSFORMER
D910
RECT
D931
RECT
D912
A+12V, M+12V
A+9V
POWER ON/OFF
CONTROL
Q943, 947, 949, 950
SHUNT
REGULATOR
IC931
SHUNT
REGULATOR
IC922
ISOLATOR
PC904
+12V
REGULATOR
IC941
RECT
D916
M+9V
AUDIO+5V
LED+6V
B+ SWITCH
Q945
RECT
D911
RECT
D947
+5V
REGULATOR
IC505
+9V
REGULATOR
IC413
SERVO DSP+1.8V
S-AIR+3.3V
+1.8V
REGULATOR
IC3050
S-AIR RT+3.3V
(HCD-HDX277WC/HDX279W/HDX576WF)
(HCD-HDX275/HDX475/HDX675)
S-AIR CON+4V
AMP+1.8V
E+3.3V
+1.8V
REGULATOR
IC1110
RESET SIGNAL
GENERATOR
IC503
RF+3.3V
DMPORT+5V
SW+9V
+5V
REGULATOR
IC201
+5V
REGULATOR
IC502
+3.3V
REGULATOR
IC102
+3.3V
REGULATOR
IC806
SW+3.3V
D+3.3V
+3.3V
REGULATOR
IC506
SERVO+3.3V
+3.3V
REGULATOR
IC1708
SERVO+3.3V
+3.3V
REGULATOR
IC1105
+3.3V
REGULATOR
IC800
+3.3V
REGULATOR
IC1107
A+5V
+5V
REGULATOR
IC507
V+5V
+5V
REGULATOR
IC620
VFL
FOR FLUORESCENT
INDICATOR TUBE
RECT
D100, 101
OSC
Q100
FL
FL
T100
DC/DC
CONVERTER
D502
BU+3.3V
D504
12
AC_CUT 20
P_CONT3 41
P_CONT2 40
P_CONT1 39
M+13V
ROTARY
ENCOCER
S112
VOLUME
DIAG
R
DC DETECT
Q631, 632
POWER ON/OFF
CONTROL
Q930 – 932
STANDBY
CONTROL
Q921
B+ SWITCH
Q120, 121
(Page 31)

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