Sharp XL-40H

– 25 –
XL-40H/50H
Figure 25 SCHEMATIC DIAGRAM (2/6)
7
8 9 10 11 12
R634 3.3K
C606
4.7/25
C605
4.7/25
L601
0.3mH
R631 6.8
C633 0.022
Q609
KRC107 M
C693 330P
R435
10K
R436
10K
CNP652
2
1
R528
1K
R529
1K
C527
0.1
C525
22P(CH)
C526
22P(CH)
X521
456kHz
IC521 LC72723M
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
C524
560P
D521
1N4148
R521 47K
C537
0.022
C523 0.1
C522 330P
C694 330P
D401
1N4004
D402
1N4004
CNP703
11
10
9
8
7
6
5
4
3
R113
3.3K
CNS704
12
11
10
9
8
7
6
5
4
3
2
1
GND2
GND3
CNP605
7
6
5
4
3
2
1
C391
47/16
R425
1K
R424
1K
R423
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
D403 1N4004
C430 100/16
C425
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
C603
0.001
C699
0.0033
C616
4700/25
C608 22/25
C607 100/25
C697
0.001
D601
1N4148
C613
1000/25
R608
1K
IC601
LA4600
10
9
8
7
6
5
4
3
2
1
C614
1000/25
R615 6.8K
C615
0.022
Q602 KTC3199 GR
R616
6.8K
C601 33/16
Q601 KTC3199 GR
R607 6.8K
C604 0.001
R604
10K
R601
10K
R602
10K
R603
10K
1
R416
1K
R415
1K
3
60
T
A1266 GR
R385
5.6K
C662
820P
C661
820P
C663 820P
L603 10µH
J601
HEADPHONES
R662
330
R661
330
CFW601
5
1
C640 0.01
C639 0.01
C632 0.022
C636
0.022
R633 10
L602
0.3mH
C637 00.22
SO601 SPEAKER TERMINALS
+
R632 6.8
C618 0.0022
C617 0.0022
C535
47/16
C536
0.022
L521
2.2mH
R532
10K
Q521 KTC3199 GR
C521
10/16
R533
56K
R534
56K
C402
10/16
C404
10/16
C406
10/16
C405 10/16
C403 10/16
C401
10/16
Q608
KRA102 M
R625 10K
Q606
KTC3199 GR
D604
1N4148
C627 0.022
Q607
2SD2012 Y
C626 47/16
ZD602 MTZJ7.5C
R624
1K
R623 22K
C624 0.022
C625 10/16
R629 820
C620 470/25
ZD601
MTZJ13A
C622 0.022
Q603
KTC3199 GR
R620
47
R619
47
R628
100
C621 100/25
D602 1N4148
R617 33K
R621 22K
Q605
2SD2012 Y
NC
NC
NC
STEREO
SD
DI CE
D_GND
A_12V M_12V U_CON5V
SOL
MOT REC
M_GND
CD+B
M_12V CD_6R2V D_GND
CL DO P_STB P_MUTE
VSM
DATA
CLE
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
1.3V
1.3V
0.6V
2.3V
0V 0V
0V
0V
0V
5.1V
5.1V
2.5V
2.5V
2.5V
2.5V
2.5V
2V
2.5V
5.1V
0
.9V
10.8V
CD TEST POINT
FROM
DISPLAY
PWB
T
O DISPLAY PWB
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
RDS DATA
RDS CLK
VSM
TAPE R
TAPE L
REC R
REC L
TAPE R
TUN R
CD R
TAPE L
TUN L
CD L
10
9
5
4
3
2
1
SP604
SP603
SP602
WOOFER
SP601
WOOFER
TWEETER
TWEETER
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
D603 1N4148
CNP653
2
1
D684
D681
D683
RLY681
D685
1N4004
CNP681
3
2
1
(226)
TO TAPE MECHANISM
CHASSIS
2
1
C684 0.047
C688 0.022
R682 1.2K
C685 47/16
R681
47
ZD681 MTZJ6.8A
Q681
2SD468C
C686 0.022
Q682
2SD468 C
R684 1.2K
C689 47/16
R683
47
ZD682
MTZJ5.6B
LF651
LINE
FILTER
F651
T2.5A L 250V
D653
D652
D654
C651 0.1
C654 0.1
D651
BI652
2
1
R686
47K
R685
10K
T651
MAIN POWER TRANSFORMER
C652 0.1
C653 0.1
C695
0.001
Q683
KTC3199 GR
C660 0.01
T681
SUB POWER
TRANSFORMER
C696
0.01
D682
C683
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
D681~D684:
1N4004
(238)
TO MAIN
CHASSIS
When servicing,pay attention as the area enclosed
by this line ( ) is directly connected with AC
main voltage.
POWER PWB-B
FROM
DISPLAY
PWB
RDS CIRCUIT
IC401
FUNCTION/
VOLUME
EQUALIZER
LC75342M
IC601
POWER AMP.
LA4600
CNS605
P29 12-C
CNS707
P26 1-F
CNS703
P27 12-D
CNW704
P27 12-F
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+
+B
+B
+B
+B
Q681~Q683
VOLTAGE REGULATOR
Q686~Q689
VOLTAGE
REGULATOR
Q683~Q685
VOLTAGE
REGULATOR
+B
AMP.