Service manual
– 21 –
XL-520W/CP-520
Figure 21 SCHEMATIC DIAGRAM (2/4)
7
8 9 10 11 12
R361
15K
123
31
30
29
28
27
26
25
28
27 26
25 24 23 22 21 20 1819 17 16 15
1
23
456789 1110 12 13 14
24
23
22
21
20
19
18
17
123456789
10111213141516
5
4
6
2
1
3
13
11
14
9
10
8
7
12
3
2
1
8
7
6
5
4
3
2
1
21
21
21
2
1
2
1
2
1
1514131211 201918171610
987654321
10
987654321
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
484746
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48474645444342414039383736353433
32
MUTE
0V
0V
0V
MUTE
0V
0V
0V
LF4C1
LF4C2
LF4C3
5
1
CNS603
TO CD SERVO PWB
P23 12-A
TO CD SERVO PWB
P23 12-C
CNS602
0V
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
DI COIN
TUN CE
TUN DO
CL CQCK
PRE DI
PRE CL
PRE CE
D-GND
M 12V
M-GND
D+5V
A-GND
CD R
CD L
P MUTE
A 12V
P CONT
CD+B
R-MUTE
FM ST
SD
REC
B-CAN
BIAS
SRS2
SRS1
E
L4
R4
R3
RINVTIN1
RSELO
RTIN
RF2C1
R IN
L IN
MODE
C OUT
C IN
CL4
CL3
CL2
CL1
Vre
L OUT
R OUT
CR1
GND
VCC
N IN
PN OUT
NC
NC
NC
NC
NC
NC
G IN
G OUT
CR4
CR3
CR2
RF1C3
RF1C2
RF1C1
RF3C3
RF3C2
RF3C1
RF2C3
RF2C2
RF4C1
RF4C2
RF4C3
RFS
RVref
RINVIN2
RTOUT
RVRIN
RTEST
RVROUT
Vref
VDD
LVROUT
LTEST
LVRIN
LTOUT
LINVIN2
LVref
LFS
NC
R2
NC
R1
AVSS
VSS
CE
D1
CL
VSS
L1
NC
L2
NC
L3
LINVIN1
LSELO
LTIN
LF1C1
LF1C2
LF1C3
LF2C1
LF2C2
LF2C3
LF3C1
LF3C2
LF3C3
TAPE L
TAPE R
REC R
REC L
SD
STEREO
A GND
FM+B
R-CH
L-CH
VIDEO/AUX
TAPE R
TUN R
CD R
TUN L
TAPE L
CD L
POWER AMP.PWB-B1
0V
VCC
STAND-BY
3
1
8
1
R-CH
A_GND
L-CH
+
–
–
+
SPEAKER
TERMINAL
SP_R-CH
SP_R-CH_GND
SP_L-CH_GND
SP_L-CH
HEADPHONES
HEADPHONES
PWB-A5
L-CH
A_GND
R-CH
R-CH
POWER SUPPLY PWB-B2
23
1
3
2
1
A_12V
M_12V
T.F
POWER
TRANSFORMER
AC SOCKET
110/127/220/230-240V
50/60Hz
D651-D654:
C651,C654:
D656-D659:
C656-C659:
L-CH
0V
0V
R-MUTE
VSM
D GND
A 12V
345678
2
1
345678
2
1
C416
1/50
IC201
SRS5250S
KRC107M
Q202
2
3
1
Q203
KRC107M
R217
10K
KRC107M
Q205
3
2
1
32
1
R219
10K
Q201
2SK246GR
R216100
D203
1SS133
R233
R215
4.7K
R212
10K
R220
10K
C226
4.7/25
C225
10/16
Q208
KTC3203Y
R223
10
R224
1K
D202
1SS133
D201 1SS133
C206
100/16
C221
100/16
C201
0.022(ML)
C215
2.2/50
R211
1K
C214
2.2/50
R210
1K
R203
22K
R205
47K
R202
100K
R204
1.5K
C202
0.47/50
R201
33K
C203
0.0047
(ML)
R206
3.9K
C210
0.33/50
R209
1.2K
R207
4.7K
C240
0.022(ML)
100/16
C220
C204
OUT R
R214 2.2/50
1K
OUT L R213
C205
1K
2.2/50
A GND
IN R
IN L
SRS2
SRS1
A 12V
SRS PWB-B3
4.7K
C601
33/16
FW605
CNP605
FW604
CNP604
SO601
FW601
CNS651
CNP651
BI651
SO651
T651
0.1
C654
0.1
C651
230-
240
1N5402M
D652
1N5402M
D651
1N5402M
D654
1N5402M
D653
F651
T3.15A
L 250V
F652
T1.25A
L 250V
CNS652
CNP652
0.1
C659
R651
680(3W)
0.1
C658
0.1
C657
0.1
C656
D657
D656
IN4004S
D659
D658
BI652
CNP603
CNP602
R407
3.3K
R408
3.3K
R113
3.9K
R114
3.9K
C603
0.001
C604
0.001
C605
4.7/25
C606
4.7/25
ZD602
MTZJ7.5C
Q606
KTC3199GR
Q608
KRA102M
Q609
KRC107M
C435
100/10
C436
100/10
C443
100/10
R405
39K
R406
39K
C425
0.033
C426
0.033
C427
0.01
C423
0.082
C421
0.22
(ML)
C428
0.01
C424
0.082
C422
0.22
(ML)
C441
10/16
C442
10/16
C433
0.0033
C434
0.0033
CNP201
CNP201
R634
1K
R616
22K
C644
0.22
(ML)
C612
0.22(ML)
R610
3.3
C643
0.22
(ML)
C611
0.22
(ML)
R609
3.3
R661
330
R662
330
J601
C613
1000/35
C614
1000/35
R614
270(1/2W)
R613
270(1/2W)
C610
47/50
C609
47/50
R606
220
R605
220
C629
100/50
C608
100/50
C616
2200/50
C615
0.022
R615
22K
R607
6.8K
C607
100/50
IC601
LA4450
IC601: POWER AMP.
R604
1K
R603
1K
R602
3.3K
C602
0.022
R601
3.3K
Q602
KTC3199GR
Q601
KTC3199GR
D601
1SS133
R608
1K
C630
4700/25
R629
820
R624
1K
Q607
2SD2012Y
R625
10K
R627
10K
C627
0.022
C626
47/16
D604
1SS133
C628
10/16
R619
47
R623
22K
C624
0.022
Q605
2SD2012Y
C625
10/16
R621
22K
C622
0.022
D603
1SS133
D602
1SS133
Q604
2SD2012Y
C623
10/16
R620
47
C620
470/25
ZD601
MTZJ13A
R617
33K
C621
100/25
R628
100
Q603
KTC3199GR
R411
15K
R412
15K
D401
1SS133
D402
1SS133
C445
0.022
C444
100/25
04
33
R137
4.7K
R136
10K
D106
1SS133
4
K
G
R
IC401
LC75394E
AUDIO PROCESSOR
C407
330P
C408
330P
SO401
R421
1K
R422
1K
R479
100K
R480
100K
R419
1K
R417
1K
R415
1K
R401 1K
R402 1K
R403
1K
R416
1K
R418
1K
R420
1K
R414
3.3K
R413
3.3K
C413
100P
C414
100P
C437
100P
C438
100P
C415
1/50
C401
1/50
C403
1/50
C405
1/50
C402
1/50
C404
1/50
C406
1/50
C412
22/16
C411
22/16
C440
10/16
C439
10/16
R385
5.6K
C391
47/16
SW651
VOLTAGE
SELECTOR
!
R362
15K