Block Diagram -Panel/Power Section - Sony HCD-GX750 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
5-4. BLOCK DIAGRAM — PANEL/POWER SECTION —
S641-S650,SW601
FUNCTION
KEY
S601-S608,S610-S612
FUNCTION
KEY
S621-S630
FUNCTION
KEY
S660
MASTER VOLUME
ENCODER
REMOTE
CONTROL
1
RECIEVER
IC610
C1
SCOR
C2
XTCN
T E
L 1 3 9 4 2 2 9 6 5 1 3
C3
XRST
C4
XLT(CD LAT)
C5
CD-DATA
C6
SENS
C7
CD-CLK
CD
C8
A
MP3-DO
SECTION
C9
(Page 27) MP3-DI
C10
MP3-CLK
C11
MP3-CS
C12
MP3-LP
C13
MP3-ACK
C14
MP3-REQ
C15
MP3-RESET
X601
32.768kHz
X602
10MHz
w w w
.
SYSTEM CONTROLLER
IC601(2/2)
LED
STREM-LED1 82 DRIVER
25 KEY3
Q610
LED610
27 KEY1
LED
STREM-LED3 80 DRIVER
Q612
LED612
26 KEY2
LED
STREM-LED2 81 DRIVER
Q611
LED611
9 VOLUME-IN1
LED
10 VOLUME-IN2
STREM-LED6 77 DRIVER
Q615
LED615
LED
STREM-LED5 78 DRIVER
Q614
LED614
LED
28 SIRDS-IN
STREM-LED6 79 DRIVER
Q613
LED613
POWER LED 76
LED601
C15
6 MP3-RESET
C14
4 MP3-REQ
C13
3 MP3-ACK
C12
2 MP3-LP
C11
1 MP3-CS
42
C10
G01-G13
100 MP3-CLK
30
C9
99 MP3-DI
C8
98 MP3-DO
C7
FL601
97 CD-CLK
C6
FLUORESCENT
96 SENS
C5 INDICATOR
43
95 CD-DATA
TUBE
C4 45
94 XLT
47
C3
93 XRES
S1-S21
50
C2
92 XTCN
52
C1
5 SCOR
65
12 I-XT1
POWER RELAY 74
13 I-XT2
RESET
RESET 11 SWITCH
Q605
15 CF1
AC CUT 29
16 CF2
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8
GX750/RX550
D401
VH+
VH–
D402
VL+
VL–
RG551
D401
B+
B–
A+3.5V REG
2 1
A+3.5V
IC302
D301-D304
D+3.5V REG
D+3.5V 3 1
IC301
SW+3.5V
Q Q
3 7 6 3
D908
AC3
REG
–VFL
Q902
D305-D308
+9V REG
+9V 3 1
IC303
D309-D312 AC4
VF1
VF2 M+9V REG
3 1
M+9V
–VFL IC304
B+ SWITCH
M+9V
Q315,316
AC4
RELAY DRIVE
Q361,362
+4V REG
+4V 5
IC603
B+ SWITCH
+3.5V
Q604,616
RESET
3 1
IC604
u 1 6 3
.
29 29
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2 4
9 9 8
PT901
POWER TRANSFORMER
F908 RG551:E2,E3,E51 MODEL
S901
VOLTAGE
SELECTOR
F904
LIVE
220V
F905
240V
LIVE
220V
F909
240V
RY901
F904
F905
RY901
F906
RG551:MX,AR MODEL
1 5 1 5 0 8 9 2 4
F907
GX750/RX550
RY901
VF1
AC
VF2
IN
EVER+9V
D902-905
1
PT902
SUB TRANSFORMER
m
c o
HCD-GX750/RG551/RX550
2
9 9
AC
IN
AC
IN
9 8 2 9 9