Sharp CD-XP300 Service Manual - Page 27

Main Pwb-a1 3/3

Page 27 highlights

CD-XP300/CD-XP3300 CNP705 P29 11 - B TO HEADPHONES PWB FM SIGNAL MAIN PWB-A1 (3/3) C925 47/50 Q903 C3199 GR R937 56K R935 56K R934 56K L902 0.29µH L901 0.29µH -B 1 2 3 4 5 +B 6 7 +B 8 9 P29 12 - E FROM DISPLAY PWB CNS705 CNP802 R801 220K R803 12K C801 100/35 C802 47/50 BI801 CNS801 CNP801 R939 10(1/2W) R941 10(1/2W) R940 10(1/2W) R938 10(1/2W) R L C929 0.1(ML) C928 0.1(ML) R R942 390(2W) L R943 390(2W) R944 1.5K R945 1.5K R1_OUT L1_OUT RL914 +B D911 DS1SS133 Q905 KTC3199 GR SP RELAY ON-OFF R946 47K R947 15K R948 4.7(1/2W) D912 DS1SS133 C931 10/50 C930 47/50 R949 1K R950 68K Q906 KTC3203 Y FAN MOTOR DRIVER M_+13.5V SP_RLY R-CH GND L-CH M 2 2 + - 11 M4 FAN MOTOR FW803 1 5 + SP_R-CH + SP_L-CH C942 0.001 C943 0.001 6 OHMS MIN - SP_L-CH_GND - SP_R-CH_GND +B SO901 SPEAKER TERMINAL -B D801 D5SBA60F +B C810 0.22(ML) C811 0.22(ML) TRONSFORMER PWB-A3 -B 1 1 VH- 2 2 -B +B C809 0.1 (ML) F801 4A/125V VL- 3 3 -B 4 4 C808 0.1 (ML) F802 4A/125V 5 5 VL+ 6 6 VH+ 7 7 +B D802 D3SBA60F +B +B C807 0.1(ML) F803 2A/125V 8 8 9 9 D803 DS1N404S D804 DS1N404S F804 2A/125V R802 47K C806 ZD802 0.1(ML) DZ6.2BSA F805 5A/125V DS1N404S 22/50 C805 ZD803 DZ30BSB D805 DS1N404S C803 47/50 R806 47K D806 R807 10 C804 220/63 R805 ZD801 Q801 R808 1 VF2 2 -VF 47 DZ6.2BSA KTA1274 Y 2.2K SWITCHING (1/2W) 3 P_IN 4 VF1 R804 47 5 POWER PWB-A2 T.F. PT801 POWER TRANSFORMER CNP971 CNS971 AC POWER SUPPLY CORD AC 120 V, 60 Hz 7 8 9 10 11 12 Figure 27 SCHEMATIC DIAGRAM (6/10) - 27 -

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– 27 –
CD-XP300/CD-XP3300
Figure 27 SCHEMATIC DIAGRAM (6/10)
7
8
9
10
11
12
+B
+B
VF1
P_IN
-VF
VF2
R
L
R
L
L-CH
GND
R-CH
SP_RLY
M_+13.5V
SP_L-CH
SP_R-CH
SP_L-CH_GND
SP_R-CH_GND
VL–
VL+
VH–
VH+
6 OHMS MIN
R1_OUT
L1_OUT
4
5
1
6
8
9
2
5
1
1
2
+
M
1
2
2
1
3
4
5
7
3
4
5
1
6
8
9
2
7
3
4
5
1
6
8
9
2
7
3
CNP705
P29
11 - B
TO HEADPHONES PWB
T.F.
TRONSFORMER
PWB-A3
POWER PWB-A2
MAIN PWB-A1 (3/3)
CNS705
P29
12 - E
FROM DISPLAY PWB
AC POWER
SUPPLY CORD
AC 120 V, 60 Hz
+
+
+B
+B
+B
+B
+B
+B
+B
-B
-B
-B
-B
-B
SP RELAY
ON—OFF
FAN MOTOR
DRIVER
SWITCHING
Q906
KTC3203 Y
R947
15K
D912
DS1SS133
C931
10/50
R950
68K
C930
47/50
C806
0.1(ML)
D804
DS1N404S
C804
220/63
R808
2.2K
(1/2W)
Q801
KTA1274 Y
R807
10
R806
47K
C802
47/50
C803
47/50
ZD803
DZ30BSB
D806
DS1N404S
ZD802
DZ6.2BSA
R802
47K
D805
DS1N404S
C805
22/50
R801
220K
R803
12K
C801
100/35
ZD801
DZ6.2BSA
R805
47
R804
47
C943
0.001
C942
0.001
R944
1.5K
R945
1.5K
R942
390(2W)
R943
390(2W)
RL914
D911
DS1SS133
R939
10(1/2W)
R938
10(1/2W)
R941
10(1/2W)
R940
10(1/2W)
C929
0.1(ML)
C928
0.1(ML)
L901
0.29
μ
H
C925
47/50
R934
56K
R935
56K
R937
56K
Q903
C3199 GR
CNP802
BI801
CNS801
CNP801
L902
0.29
μ
H
Q905
KTC3199 GR
R946
47K
C811
0.22(ML)
C810
0.22(ML)
D801
D5SBA60F
D802
D3SBA60F
C809
0.1
(ML)
C808
0.1
(ML)
D803
DS1N404S
C807
0.1(ML)
F804
2A/125V
F803
2A/125V
F802
4A/125V
F801
4A/125V
PT801
POWER TRANSFORMER
SO901
SPEAKER
TERMINAL
R949
1K
FW803
CNP971
R948
4.7(1/2W)
F805
5A/125V
CNS971
M4
FAN MOTOR
FM SIGNAL