Read Sony HCD-GX750 / HCD-RG551 / HCD-RX550 / MHC-GX750 / MHC-RG551S Service Manual online
29
29
HCD-GX750/RG551/RX550
5-4. BLOCK DIAGRAM — PANEL/POWER SECTION —
SYSTEM CONTROLLER
IC601(2/2)
D401
B+
B–
F904
12 I-XT1
X601
32.768kHz
13 I-XT2
15 CF1
X602
10MHz
16 CF2
28
1
SIRDS-IN
REMOTE
CONTROL
RECIEVER
IC610
82
STREM-LED1
74
42
30
POWER RELAY
11
RESET
29
AC CUT
MASTER VOLUME
A
CD
SECTION
25 KEY3
MP3-RESET
6
MP3-REQ
4
MP3-ACK
3
MP3-LP
2
MP3-CS
1
MP3-CLK
100
MP3-DI
99
MP3-DO
98
CD-CLK
97
SENS
96
CD-DATA
95
XLT
94
XRES
93
XTCN
92
SCOR
5
FUNCTION
KEY
S641-S650,SW601
27 KEY1
FUNCTION
KEY
S601-S608,S610-S612
26 KEY2
FUNCTION
KEY
S621-S630
9 VOLUME-IN1
10 VOLUME-IN2
ENCODER
S660
LED
DRIVER
Q610
LED610
LED
DRIVER
Q612
LED
DRIVER
Q611
LED
DRIVER
Q615
LED
DRIVER
Q614
LED
DRIVER
Q613
80
STREM-LED3
LED612
81
STREM-LED2
LED611
77
STREM-LED6
LED615
78
STREM-LED5
LED614
79
STREM-LED6
LED613
76
POWER LED
G01-G13
S1-S21
LED601
F905
AC3
D301-D304
D908
–VFL
F906
D402
VL+
VL–
F908
D401
GX750/RX550
VH+
VH–
F905
F909
F904
AC4
VF1
VF2
D305-D308
D902-905
F907
REG
Q902
D+3.5V
SW+3.5V
1
3
RELAY DRIVE
Q361,362
+9V
1
3
D309-D312
M+9V
VF1
–VFL
VF2
1
3
A+3.5V REG
IC302
D+3.5V REG
IC301
+9V REG
IC303
M+9V REG
IC304
A+3.5V
1
2
+4V
EVER+9V
+3.5V
PT902
SUB TRANSFORMER
RY901
PT901
POWER TRANSFORMER
+4V REG
IC603
1
5
RESET
IC604
1
3
RESET
SWITCH
Q605
FL601
FLUORESCENT
INDICATOR
TUBE
AC
IN
SCOR
XTCN
XRST
XLT(CD LAT)
CD-DATA
SENS
CD-CLK
MP3-DO
MP3-DI
MP3-CLK
MP3-CS
MP3-LP
MP3-ACK
MP3-REQ
MP3-RESET
C15
C14
C13
C12
C11
C10
C9
C8
C7
C6
C5
C4
C3
C2
C1
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
C12
C13
C14
C15
43
45
47
50
52
65
45
47
50
52
65
B+ SWITCH
Q604,616
M+9V
AC4
B+ SWITCH
Q315,316
AC
IN
RY901
RY901
S901
VOLTAGE
SELECTOR
LIVE
220V
240V
LIVE
220V
240V
220V
240V
LIVE
220V
240V
AC
IN
RG551:E2,E3,E51 MODEL
RG551:MX,AR MODEL
GX750/RX550
RG551
(Page 27)
Click on the first or last page to see other HCD-GX750 / HCD-RG551 / HCD-RX550 / MHC-GX750 / MHC-RG551S service manuals if exist.