Read Sharp XL-30 (serv.man7) Service Manual online
– 25 –
XL-30H/30W
Figure 25 SCHEMATIC DIAGRAM (2/6)
7
8
9
10
11
12
R634
3.3K
3.3K
C606
4.7/25
4.7/25
C605
4.7/25
4.7/25
Q609
KRC107 M
KRC107 M
R435
10K
10K
R436
10K
10K
CNP652
2
3
D401
1N4004
1N4004
D402
1N4004
1N4004
CNP703
11
10
9
8
7
6
5
3
K
CNS704
9
8
7
6
5
8
7
6
5
4
3
2
1
3
2
1
GND2
GND3
CNP605
7
6
5
4
3
2
1
R425
1K
1K
R424
1K
1K
R423
1K
1K
R440
3.9K
C424
0.1(ML)
C422
0.1(ML)
C426
10/16
C420
0.0027
C418
2.2/50
R438
6.8K
C416
10/16
C429
33/16
R437
6.8K
R439
3.9K
3.9K
D403
1N4004
C430
100/16
C425
10/16
10/16
C423
0.1
C421
0.1(ML)
C419
0.0027
C417
2.2/50
IC401 LC75342M
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
C698
330P
330P
C603
0.001
0.001
C699
0.0033
0.0033
C616
4700/25
4700/25
C608
22/25
C607
100/25
C697
0.001
0.001
D601
1N4148
1N4148
C613
1000/25
1000/25
R608
1K
1K
IC601
LA4600
10
9
8
7
6
5
4
3
2
1
C614
1000/25
1000/25
R615
6.8K
C615
0.022
0.022
Q602
KTC3199 GR
R616
6.8K
6.8K
C601
33/16
Q601
KTC3199 GR
R607
6.8K
C604
0.001
R604
10K
10K
R601
10K
10K
R602
10K
10K
R603
10K
10K
1
R416
1K
1K
R415
1K
1K
0
51
J5.1B
6 GR
J601
HEADPHONES
HEADPHONES
R662
330
330
R661
330
330
CFW601
5
1
SO601
SPEAKER
TERMINALS
SPEAKER
TERMINALS
+
C402
10/16
10/16
C404
10/16
10/16
C406
10/16
10/16
C405
10/16
10/16
C403
10/16
10/16
C401
10/16
10/16
Q608
KRA102 M
KRA102 M
R625
10K
Q606
KTC3199 GR
KTC3199 GR
D604
1N4148
1N4148
C627
0.022
Q607
2SD2012 Y
2SD2012 Y
C626
47/16
ZD602
MTZJ7.5C
R624
1K
1K
R623
22K
C624
0.022
C625
10/16
R629
820
C620
470/25
ZD601
MTZJ13A
MTZJ13A
C622
0.022
Q603
KTC3199 GR
KTC3199 GR
R620
47
47
R619
47
47
R628
100
100
C621
100/25
D602
1N4148
R617
33K
R621
22K
Q605
2SD2012 Y
2SD2012 Y
NC
NC
NC
STEREO
SD
DI
CE
D_GND
A_12V
M_12V
U_CON5V
SOL
M_GND
CD+B
M_12V
CD_6R2V
D_GND
CL
DO
P_STB
P_MUTE
A_GND
CD_L
CD_R
13V
20V
12.3V
11.7V
20V
11.7V
4.5V
0V
0V
7.8V
7.5V
20V
6.2V
9.5V
12.9V
20V
1.7V
1.4V
1.4V
0V
0V
9.8V
9.8V
9.6V
0V
0V
0V
0V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
CD TEST POINT
FROM
DISPLAY
PWB
DISPLAY
PWB
WB
CL
VDD
VREF
ROUT
RBS2
RBS1
RTRE
RIN
RSL0
R4
R3
R2
R1
L1
L2
L3
L4
LSL0
LIN
LTRE
LBS1
LBS2
LOUT
TEST
VSS
CE
DI
CE
DI
CL
FROM CD SERVO PWB
E L
TAPE R
TUN R
CD R
TAPE L
TUN L
CD L
SP602
SP601
4 ohm
4 ohm
P MUTE
P-STB
CD+B
FM ST
SD
DI
CE
DO
CL
R-CH
L-CH
F653
T1A L 250V
5V
4.8V
4.8V
R418
1K
R420
1K
R417
1K
R419
1K
C415
10/16
SPEAKERS
5
R627
10K
1
2
3
1
2
3
GND1
20V
Q604
2SD2012 Y
2SD2012 Y
D603
1N4148
CNP653
2
1
D684
D681
D683
RLY681
D685
1N4004
1N4004
CNP681
3
2
1
1
(226)
TO TAPE MECHANISM
CHASSIS
TO TAPE MECHANISM
CHASSIS
2
1
C684
0.047
C688
0.022
R682
1.2K
C685
47/16
R681
47
47
ZD681
MTZJ6.8A
Q681
2SD468C
2SD468C
C686
0.022
Q682
2SD468 C
2SD468 C
R684
1.2K
C689 47/16
R683
47
47
ZD682
MTZJ5.6B
MTZJ5.6B
LF651
LINE
FILTER
LINE
FILTER
F651
T2.5A L 250V
D653
D652
D654
C651
0.1
C654 0.1
D651
BI652
2
1
R686
47K
47K
R685
10K
10K
T651
MAIN POWER
TRANSFORMER
C652
0.1
C653
0.1
C695
0.001
0.001
Q683
KTC3199 GR
C660
0.01
T681
SUB POWER
TRANSFORMER
C696
0.01
0.01
D682
C683
2200/16
2200/16
6.4V
9V
5.8V
5.6V
4.9V
9V
(5.2V)
0.2V
0.8V(0V)
0V
B1GND
+B1
T.F
D_GND
P_CONT
USWD_5R6V
SO651
AC POWER INPUT SOCKET
AC230V, 50Hz
CNS652
2
1
D651~D654:
1N4004
1N4004
D681~D684:
1N4004
1N4004
(238)
TO MAIN
CHASSIS
TO MAIN
CHASSIS
When servicing,pay attention as the area enclosed
by this line ( ) is directly connected with AC main voltage.
by this line ( ) is directly connected with AC main voltage.
POWER PWB-B for XL-30H
IC401
FUNCTION/
VOLUME
EQUALIZER
LC75342M
FUNCTION/
VOLUME
EQUALIZER
LC75342M
IC601
POWER AMP.
LA4600
POWER AMP.
LA4600
CNS605
P29 12-C
CNW704
P27 12-F
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+
+B
+B
+B
+B
Q681~Q683
VOLTAGE REGULATOR
VOLTAGE REGULATOR
Q686~Q689
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
Q683~Q685
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
+B
1
2
3
D686
1N4004
1N4004
IC682
KIA7805P
D688
1N4004
C688
0.047
0.047
D689
1N4004
ZD684
MTZJ16C
ZD683
MTZJ16C
T651
MAIN POWER TRANSFORMER
D654
D651
C654 0.1
D653
D652
C653 0.1
C652 0.1
C665
0.047
R686
47K
47K
Q683
KTC3199 GR
R685
10K
10K
3
2
1
2
1
CNP681
3
3
2
1
1
BI652
2
1
CNS652
T681
SUB POWER TRANSFORMER
D684
D681
D683
D682
C695
0.001
RLY681
D685
1N4004
1N4004
F651
T2.5A L 250V
T.F
0V
0.8V
(0V)
(0V)
D681~D684:1N4004
0.2V
(5.2V)
VOLTAGE
REGULATOR
REGULATOR
D651~D654:1N4004
C660
0.001
0.001
C696
0.001
2
1
CNP653
C683
2200/35
C689
0.47/50
R689
1K
1K
R688
1K
1K
R687
2.7K
C651 0.1
POWER PWB-B for XL-30W
SO651
AC POWER INPUT SOCKET
AC110-127/220-240V,
50/60Hz
CNS707
FROM DISPLAY PWB
P26 1-F
Q681
KTC3199 GR
SW651
VOLTAGE SELECTOR
110-127V
220-240V
(226)
TO TAPE MECHANISM
CHASSIS
TO TAPE MECHANISM
CHASSIS
2
1
(238) TO MAIN CHASSIS
CNP652
2
1
1
CNS707
FROM DISPLAY PWB
P26 1-F
IC682 VOLTAGE REGULATOR
VOLTAGE
REGULATOR
HEADPHONS
PWB-A5
PWB-A5
FOR XL-30H
12V
GND1
+B
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