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HCD-GPX6/GPX7
24
24
6-3.
BLOCK DIAGRAM – PANEL/POWER SUPPLY Section –
S701 – 708,
S709 – 711, 726,
S718 –715
ROTARY
ENCODER
BASS
S801
ROTARY
ENCODER
TREBLE
S802
ROTARY
ENCODER
VOLUME
S803
FL701
FLUORESCENT
INDICATOR
TUBE
LED DRIVE
Q801
n
N
TAPE
D803
N
X
CD
D801
LED DRIVE
Q802
BAND
TUNER
D802
LED DRIVE
Q803
LED DRIVE
Q804
I/
1
D804
FL/LED DRIVER
IC801
SYSTEM CONTROLLER
IC306 (3/3)
F902
D911
RECT
D910
RY901
F901
T901
POWER
TRANSFORMER
RECT
D901
RECT
D902 – 905
+POWER
–POWER
UNREG
A+9V
M+10V
D912
RECT
D906 – 909
RELAY DRIVE
Q319, 320
M+7V
D+4V
FL AC
FL AC
D327
FL –30V
–30V REGULATOR
Q805 – 807
CURRENT
LIMIT
Q808
(AC IN)
AC DET
B+ SWITCH
Q312, 313
D311
D312
AVDD
DVDD
30 – 42
14 – 29
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)