Sony HCD-GPX7 - Block Diagram - PANEL;POWER SUPPLY Section

HCD-GPX6/GPX7
2424
6-3. BLOCK DIAGRAM – PANEL/POWER SUPPLY Section –
4
42 ELV E1/BASS A
43 ELV E0/BASS B
REMOTE CONTROL
RECEIVER
IC802
S701 – 708,
S709 – 711, 726,
S718 –715
HP SW
B
ROTARY
ENCODER
BASS
S801
40 ELV E3/TRE A
41 ELV E2/TRE B
ROTARY
ENCODER
TREBLE
S802
5 VOL A
6 VOL B
3STBY LED
ROTARY
ENCODER
VOLUME
S803
21FL CLK
FL DATA
7FL STB
57CD BD POWER
80RY ON
7 DIN
8 CLK
9 STB
1LED1
FL701
FLUORESCENT
INDICATOR
TUBE
LED DRIVE
Q801
n N
TAPE
D803
N X
CD
D801
2LED2
LED DRIVE
Q802
BAND
TUNER
D802
3LED3
LED DRIVE
Q803
LED DRIVE
Q804
I/1
D804
FL/LED DRIVER
IC801
SYSTEM CONTROLLER
IC306 (3/3)
100
SIRCS IN/
WAKE
74 KEY WAKE UP
F902
D911
RECT
D910
RY901
F901
T901
POWER
TRANSFORMER
RECT
D901
RECT
D902 – 905
+9V
REGULATOR
IC304
+10V
REGULATOR
IC901
+POWER
–POWER
UNREG
A+9V
M+10V
D912
RECT
D906 – 909
RELAY DRIVE
Q319, 320
+7V
REGULATOR
IC902
+4V
REGULATOR
IC903
M+7V
D+4V
FL AC
FL AC
D327
FL –30V
–30V REGULATOR
Q805 – 807
CURRENT
LIMIT
Q808
(AC IN)
AC DET
C
B+ SWITCH
Q312, 313
D311
D312
AVDD
DVDD
30 – 42
GR1 – GR12
14 – 29
SG1 – SG16
89 – 91
KEY1 – KEY3
12
RESET
20
AC-CUT
VOLTAGE DETECT
IC305
53
SW-POWER
RESET SWITCH
Q316
D306
D308
A+9V
U-COM B+
D317, 318
B+ SWITCH
Q322, 323
SWITCH
Q321
SUB POWER
BLOCK
U COM +B AC
SW SW 9V
S901
120V
220V
240V
VOLTAGE SELECTOR
(Hong Kong, Singapore)
(EXCEPT Hong Kong, Singapore)
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