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HCD-VP100
16
16
5-3.
BLOCK DIAGRAM – DISPLAY/POWER SUPPLY Section –
ROTARY
ENCODER
RV801
VOLUME
RV801
FUNCTION
RV804
ROTARY
ENCODER
RV802
TREBLE
RV802
ROTARY
ENCODER
RV803
BASS
RV803
ROTARY
ENCODER
RV804
S801 – 820
LIQUID CRYSTAL
DISPLAY
LCD801
LED DRIVE
Q855
DSG
D858
LED DRIVE
Q856
+5V
(ROTARY ENCODER)
D812
D811
B+ SWITCH
Q606, 607
Q605
B+ SWITCH
Q608, 609
CASSETTE HOLDER
BACK LIGHT
D802
REC/PB
LED DRIVE
Q851
Q857
D851
D870, 871
(DISC TRAY ILLUMINATION)
LED DRIVE
Q853
TAPE
D854, 855
LED DRIVE
Q852
CD
D852, 853
CD +5V
REGULATOR
Q306
B+
(CD +5V)
+10V
REGULATOR
Q305
B+
(CD +8V)
B+
(FM +7.5V)
+9V
REGULATOR
Q301
FM +7.5V
REGULATOR
Q302
B+
(+9.5V)
B+
(COM +12V)
7
RECT
D906 – 909
RECT
D902 – 905
COM +12V
REGULATOR
Q355
B+
(COM +8V)
LED B+
SWITCH
Q661, 662
LED B+
(+8V)
T902
MAIN
TRANSFORMER
RELAY
DRIVE
Q902
B+
(+14V)
B –
( – 14V)
B+
(+22.5V)
B –
( – 22.5V)
POWER AMP
(IC101, 201)
B –
( COM – 8V)
REG CON
RY901
AC IN
D917
D310
B+ SWITCH
Q608, 609
B+ SWITCH
Q901
RECT
D910 – 913
T901
SUB
TRANSFORMER
WAKE UP
SWITCH
Q890, 891
D801
D866 – 869
(LCD BACK LIGHT)
B+ (+5V)
REGULATOR
CONTROL
SWITCH
Q303, 304
REGULATOR
CONTROL
SWITCH
Q307, 308
STANDBY
B+
(+5V, RELAY +5V)
230V
115V
COM
COM
115V
230V
F902
-2
-1
VOLTAGE
SELECTOR
S901
220 – 240V
110 – 120V
15
LED DRIVE
Q856
LED DRIVE
Q859
31
F905
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299