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HCD-HPX9
HCD-HPX9
7-3. BLOCK DIAGRAMS — PANEL/POWER SUPPLY SECTION —
4
REMOTE CONTROL
RECEIVER
IC802
S701-725
HP SW
B
5
VOL A
6
VOL B
3
STBY LED
ROTARY
ENCODER
VOLUME
S803
21
FL CLK
FL DATA
7
FL STB
57
CD BD POWER
80
RY ON
7
DIN
8
CLK
9
STB
1
LED1
FL701
FLUORESCENT
INDICATOR
TUBE
LED DRIVE
Q801
TAPE
N
D803
CD
N
X
D801
2
LED2
LED DRIVE
Q802
TUNER/
BAND
D802
3
LED3
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
31 – 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
DSGX
D807
4
LED4
LED DRIVE
Q809
S902
120V
220V
240V
VOLTAGE SELECTOR
(E,EA)
(EXCEPT E,EA)