Voltage Selector - Sharp HT-DP2500W Service Manual

D634
1N4148
D738
D633
1N4148 R629
1N4148
22K
C640
10/50
ZD632
C641
MTZJ5.1A
10/50
R627
18K
C634
220/25
–10.7V
ZD630
Q622
MTZJ110A
–B 2SD2012 Y
+B 10.9V 17.4V
Q621 R623
KTC3199 GR 470
11.6V
11.6V 17.4V
R622
47
12.1V
R621
C624
D625
47/25 1K
1N4148
C623
220/25
ZD621
MTZJ120B
OWER SUPPLY PWB-C2
VOLTAGE REGULATOR
ZD612
Q611
MTZJ6.8C KTA1266 GR
R617
220
–32.8V –46V
25V
R616 D614
220 1N4004
–33.4V
C614
220/63
C615 ZD611
47/50
MTZJ330C
VOLTAGE REGULATOR
Q602
2SD468 C
7.6V
SWITCHING
4.9V
Q603
5.6V
KTC3199 GR
R606
0V
R605
1K
0.77V
47
0V
2 3 4 6 8
5 7
4
CNS4
TO DISPLAY PWB
P17 8-H
7
CNP613
1 2
ZD633
MTZJ4.7C
C642
R628 R630
10.9V
47/50
47 (6.0V) 3.9K
0V
10.9V
(0.6V)
(6.6V)
10.9V
(6.0V)
0V
R631 Q633
Q632
0V
10K KTA1270 Y
2SC3199 GR
R626
10K
( ) : FAN IN ACTION
C670
0.01
1
D630
S4VB20
2
3
4
5
D624
D622
1N4004
1N4004
6
D621
D623
1N4004
1N4004
7
R611
1
R612 D611
1N4004
1
D613 D612
C611
1N4004 1N4004
100/50
C612
100/50
C613
47/63
VOLTAGE REGULATOR
Q601
2SD468 C
7.6V
5.8V
D601-D604
1N4004
6.4V
R604
R603
47
820
C604
47/16
C609
0.047
C619
C618
0.047
0.047
8
Figure 15 SCHEMATIC DIAGRAM (4/7)
C666
0.01
C667
0.01
C669 C668
0.01 0.01
POWER
AMP. T602
POWER TRANSFORMER
PWB C-3
1 1
2 2
3 3
4 4
5 5
F611
T800mA
L 250V
6 6
T.F.
7 7
1 2 3 4 5
CNP603
CNS603
1 2 3 4 5
BI603
1 2 3 4 5
RLY601
RELAY
D607
1N4004
R610
1
D601
D602
D603
D604
T.F.
T601
POWER TRANSFORMER
9 10
– 15 –
FRONT
1
L-CH
FRONT
2
L-CH GND
FRONT
3
R-CH GND
FRONT
4
R-CH
SO701
SPEAKER
TERMINALS
SUB
5
WOOFER
SUB
6
WOOFER
GND
CENTER
7
GND
8
CENTER
1 L-CH
CNS612A
2 L-CH
SO702
GND SURROUND
SPEAKER
TERMINALS
3 R-CH
GND
CNS612B
4 R-CH
CNP612
220/230-240V
1
1 1
F602
T1.25A L 250V
2 2 2
127V
3 3 3
110V
4 4 4
0V
5
5 5
BI601
4 3 2 1
4 3 2 1
4 3 2 1
SW601
VOLTAGE
SELECTOR

VOLTAGE SELECTOR

SWITCH PWB-C6
VOLTAGE
230-240V
(230)
(230)
F603
LF601
T100mA L 250V
LINE FILTER AC POWER
SUPPLY CORD(220)
AC110/127/220/230-240V
50/60Hz
11
HT-DP2500W
M671
FAN MOTOR
2 1
M
CNS611
2 1 1 2
CNP611
1 2
2 1
2 1
CNP6A4 CNP6B4
CNS6A4 2 1 CNS6B4
BI6A4
BI6B4
2 1
6 7
8
1
5
4
2
3
SWITCH POSITION
NO.
110V
3-4, 7-8
127V 4-5, 8-1
220V 2-3, 6-7
1-2, 5-6
12