Panasonic KX-DT521RU Service Manual / Supplement ▷ View online
25
4 Printed Circuit Board
Changed from Original Service Manual as section 12.1.
4.1.
Main Board
4.1.1.
Component View
1
14
1
15
E
6
1
3
4
E
4
6
1
3
5
1
4
5
14
5
14
1
27
28
5 4
55
8 1
8 2
1 0 8
R 4 0 0
R401
R 4 0 2
R403
R 4 0 4
R405
R 4 0 6
R 4 0 7
R408
R409
R412
R413
R 4 1 6
L 4 6 3
R 4 1 7
L 4 6 4
L 4 6 5
CN400
R 4 2 6
R 2 3 8
U2_A
R434
R435
R 4 3 6
C400
C 4 0 5
R 4 4 1
C410
C411
C 4 1 2
C414
C 4 1 5
R452
R 4 5 5
R 4 5 6
X 4 1 0
C 4 2 3
C 4 2 4
C 4 2 5
C 4 2 6
R 4 6 4
C429
R 4 6 5
R 4 6 6
R 4 6 7
C430
C432
C 4 3 3
R 4 7 0
R 4 7 1
R472
R473
R474
C440
CN460
C441
C 4 4 2
C 4 4 3
C450
C451
Q 3 0 3
Q 3 0 4
C 4 6 0
C461
C 4 6 2
D G
C 4 6 4
C465
C468
S T R A P
C 4 6 9
L 3 0 1
L 3 0 2
L 3 0 3
L 3 0 4
L 3 0 9
IC401
Q330
Q331
Q 3 3 2
C 4 9 0
IC410
C491
JK300
JK301
R301
R 3 0 2
R 3 0 3
JK501
D 4 6 0
R309
R310
R311
R312
R313
R 3 1 9
R 3 2 0
R 5 1 5
R321
R 5 1 6
R 3 2 2
R 5 1 7
R323
R 5 1 8
R324
R 5 1 9
R 5 2 0
U1_A
IC470
R 5 3 0
C301
R 5 3 1
C 3 0 2
R 5 3 2
C 3 0 3
R 5 3 3
R340
C 3 0 4
R534
R 3 4 1
C 3 0 5
R535
R342
R 3 4 3
R 5 3 7
R 5 3 8
R 3 4 5
C 3 0 9
R346
R 3 4 7
R 3 4 8
C500
R 3 4 9
C501
C502
C503
C504
X301
R 5 4 1
C506
C312
R542
C507
C313
R350
R351
R 5 4 5
R352
R 5 4 6
R547
C 5 1 3
C 5 1 4
C 5 1 5
C 5 1 6
R 5 5 2
C 5 1 7
C518
R 5 5 4
C519
C 3 2 5
R 5 5 6
C520
C 5 2 1
C 5 2 2
C523
C 3 3 0
C524
R 5 6 1
C 3 3 1
C 5 2 5
R 5 6 2
C332
C526
C333
C527
C 3 3 4
C528
C337
R 5 6 7
C530
C 5 3 1
C 5 3 2
C 5 3 2
C 5 3 3
C534
R 5 7 1
C535
R 5 7 2
C536
R573
C537
R574
C538
C 5 4 0
C 5 4 1
C 5 5 0
C 5 5 1
C 5 5 2
D300
C 5 5 4
C 5 5 6
C 5 5 7
C558
C559
D500
C560
D501
C561
C562
D315
D515
D516
C382
D517
C383
T300
C 5 8 1
C584
C 5 8 7
C 5 8 9
IC510
D530
D531
D532
D 5 3 3
P N L B 2 2 9 0 Z C - G W
REF-2
PbF
A
A
B
B
C
C
MAIN BOARD COMPONENT VIEW
26
4.1.2.
Bottom View
E
4
6
1
3
1
12
13
24
25
36
37
48
Q4
60
R410
R411
HS
MI
N
L460
HS
MI
P
R4
15
L461
L4
62
R4
18
R419
R4
20
R4
21
R422
R423
R424
R425
R4
27
R428
CK4M
RSTN
R438
R439
C402
C404
R440
C406
C407
H
3.3V
L
C413
C4
16
R
R453
C4
18
T
R4
54
C4
19
V1
.8
C4
20
C421
C422
C4
27
R463
C428
SPN
SPP
C4
31
LCD_A0
HESSPOUT
ST
0
ST
1
ST
2
ST
3
C4
53
C4
54
C455
Q3
01
C463
C466
C4
67
PE
P1
SPI_DO
4.5V
ASIC_RST
H-D
GPIO3
GP
IO
4
L-D
R304
R3
05
R306
R3
07
R308
ASIC_INT
JRC_A
LCD_RST
DG_A
R330
R331
R332
R333
R334
C3
06
C307
C3
08
C310
C311
R353
R3
54
R3
55
C3
23
C324
JC_A
C326
C327
C3
28
R558
C329
R5
59
R563
R5
64
C335
R565
C3
36
R566
R569
1.2V
R570
JI_A
HESMIN
SCL
SDA
JM_A
D301
C362
TP_LED+
TP_LED-
JO_A
C5
63
C564
CL1
C565
C566
C567
C568
C5
69
C5
70
C571
C5
72
C5
73
IC300
C5
74
C5
75
C576
C577
HS
SP
OU
T
C578
C579
L4
10
L220
C580
L221
L222
C5
82
PS
YN
C
C5
83
C5
85
C5
86
C588
SPI_CS0
MIN
MIP
SPI_CLK
D
D
REF-1
E
E
MAIN BOARD BOTTOM VIEW
27
5 Exploded View and Replacement Parts List
5.1.
Replacement Parts List
Changed from Original Service Manual as section 14.4.3.
5.1.1.
Main Board Parts
Safety
Ref.
No.
Part No.
Part Name & Description
Remarks
PCB1 PNWP1DT521M
MAIN P.C.BOARD ASS'Y(RTL)
(KX-DT521)
PCB1 PNWP1DT521NE
MAIN P.C.BOARD ASS'Y(RTL)
(KX-DT521NE/UK)
PCB1 PNWP1DT521NZ
MAIN P.C.BOARD ASS'Y(RTL)
(KX-DT521NZ)
PCB1 PNWP1DT521RU
MAIN P.C.BOARD ASS'Y(RTL)
(KX-DT521RU)
PCB1 PNWP1DT521X
MAIN P.C.BOARD ASS'Y(RTL)
(KX-DT521SX/X)
(ICs)
IC300 C1CB00004107
IC
IC401 There is no parts supply of only IC.
Please order PCB1.
IC410 C2HBCY000134
IC
IC470 C0EBE0000436
IC
IC510 C0DBAYY01936
IC
(TRANSISTORS)
Q301 B1HDCFA00011
TRANSISTOR(SI)
Q303 DSC7003R0L TRANSISTOR(SI)
Q304 B1HBCFA00028
TRANSISTOR(SI)
Q330 B1ABDF000026
TRANSISTOR(SI)
Q331 B1HFCFA00008
TRANSISTOR(SI)
Q332 B1HFCFA00003
Q460 B1GBCFGN0022
TRANSISTOR(SI)
(DIODES)
D300 B0EDER000009
DIODE(SI)
D301 DA3J103E0L
DIODE(SI)
D315 B0JCMG000016
DIODE(SI)
D460 B0JCDD000001
DIODE(SI)
D532 DZ2J30000L
DIODE(SI)
D533 DZ2J30000L
DIODE(SI)
(CONNECTORS)
CN400 K1MN14BA0238
CONNECTOR
CN460 K1MN15BA0110
CONNECTOR
(JACK/SOCKET)
JK300 K2LB104D0005
JACK/SOCKET
JK301 K2LB104D0005
JACK/SOCKET
JK501 K2LB104D0004
JACK/SOCKET
(CAPACITORS)
C302 ECUV1H102KBV
0.001
C303 ECUV1H102KBV
0.001
C304 ECUV1A105KBV
1
C305 ECUV1A105KBV
1
C306 ECUE1A104KBQ
0.1
C307 ECUE1H102KBQ
0.001
C308 ECUE1H102KBQ
0.001
C309 PQCUV1C105ZF
1
S
C310 ECUE1A104KBQ
0.1
C311 ECUE1A104KBQ
0.1
C312 ECUE1H102KBQ
0.001
C313 ECUE1H102KBQ
0.001
C323 ECUE1A104KBQ
0.1
C324 ECUE1A104KBQ
0.1
C325 ECUV1A105KBV
1
C326 ECUE1A104KBQ
0.1
C327 ECUE1H102KBQ
0.001
C328 ECUE1H102KBQ
0.001
C329 ECUE1H102KBQ
0.001
C330 ECUE1A104KBQ
0.1
C331 PQCUV1C105ZF
1
S
C332 PQCUV1C105ZF
1
S
C333 ECUE1A104KBQ
0.1
C335 ECUE1A104KBQ
0.1
C336 ECUE1A104KBQ
0.1
C337 PQCUV1C105ZF
1
S
C362 ECUE1C103KBQ
0.01
C382 ECUE1H7R0DCQ
7
C383 ECUE1H7R0DCQ
7
C400 ECUE1C104KBQ
0.1
C402 ECUE1C104KBQ
0.1
C404 F1H0J1060003
10
C405 ECUE1C104KBQ
0.1
C406 F1H0J1060003
10
C407 ECUE1C104KBQ
0.1
C410 ECUE1C104KBQ
0.1
C411 ECUE1C104KBQ
0.1
C412 ECUE1A104KBQ
0.1
C413 F1H0J1060003
10
C414 ECJ0EB0J105K
1
C415 ECUE0J105KBQ
1
C416 ECUE1A104KBQ
0.1
C418 ECUE1C104KBQ
0.1
C419 ECUE1C104KBQ
0.1
C420 ECUE1C104KBQ
0.1
C421 F1J0J2260002
22
C422 ECUE1A104KBQ
0.1
C423 ECUE0J105KBQ
1
C424 ECUE1C104KBQ
0.1
C425 ECUE1C104KBQ
0.1
C426 ECUE1A104KBQ
0.1
C427 ECUV1A225KBV
2.2
C429 ECUE1C103KBQ
0.01
C430 ECUE0J105KBQ
1
C431 ECUE1A104KBQ
0.1
C432 ECUE1A104KBQ
0.1
C433 ECUE1A104KBQ
0.1
C440 ECUE1H220JCQ
22p
C441 ECUE1H220JCQ
22p
C442 ECUE1H151JCQ
150p
C443 F1H0J1060003
10
C450 ECUE1C104KBQ
0.1
C453 F1H0J1060003
10
C454 F1H0J1060003
10
C455 F1H0J1060003
10
C460 F1J0J2260002
22
C462 ECUE0J105KBQ
1
C466 F1H1E105A100
1
C467 ECUE0J105KBQ
1
C468 ECUE1C104KBQ
0.1
C469 ECUE1H472KBQ
4700p
C500 ECUE1H102KBQ
0.001
C501 ECUE1C103KBQ
0.01
C502 ECUE1H331KBQ
330p
C504 ECUE1H102KBQ
0.001
C506 ECUE1H331KBQ
330p
C513 ECUV1H104KBV
0.1
C514 ECUV1H104KBV
0.1
C518 ECUE1H221KBQ
220p
C519 F1J0J2260002
22
C520 F1J0J2260002
22
C525 ECUE1H332KBQ
0.0033
C530 ECUE1H330JCQ
33p
C533 F1G1E822A086
0.0082
C540 ECUV1H104KBV
0.1
C541 ECUV1H104KBV
0.1
Safety
Ref.
No.
Part No.
Part Name & Description
Remarks
28
C550 F2G1H221A074
220
C551 ECUV1H104KBV
0.1
C552 ECUE1C153KBQ
0.015
C554 ECUE1H101JCQ
100p
C556 ECUV1H104KBV
0.1
C557 ECUE1C104KBQ
0.1
C558 F2G1C1010034 100
C559 ECUE1H100DCQ
10p S
C560 ECUE1C104KBQ
0.1
C561 ECUE1C104KBQ
0.1
C562 F1G0J225A008
2.2
C568 ECUE1A104KBQ
0.1
C569 F1H0J1060003
10
C570 F1H0J1060003
10
C571 F1H0J1060003
10
C575 F1J0J2260002
22
C576 ECUE1H102KBQ
0.001
C577 ECUE1H102KBQ
0.001
C580 ECUE0J474KBQ
0.47
S
C581 ECUE1H102KBQ
0.001
(RESISTORS)
R238 ERJ2GEJ391
390
R301 ERJ3GEYJ271
270
R302 ERJ3GEYJ220
22
R303 ERJ3GEYJ220
22
R304 ERJ2GEJ182
1.8k
R305 ERJ2GEJ182
1.8k
R306 ERJ2GEJ822
8.2k
R307 ERJ2GEJ562X
5.6k
R308 ERJ2GEJ123
12k
R309 ERJ3GEYJ122
1.2k
R310 ERJ3GEYJ121
120
R311 ERJ3GEYJ182
1.8k
R312 ERJ2GEJ122
1.2k
R313 ERJ2GEJ122
1.2k
R319 ERJ2GEJ822
8.2k
R320 ERJ2GEJ562X
5.6k
R321 PQ4R10XJ270
27
S
R322 ERJ3GEYJ5R6
5.6
R323 ERJ2GEJ105X
1M
R324 ERJ2GEJ821
820
R330 ERJ2GEJ102
1k
R331 ERJ2GEJ102
1k
R332 ERJ2GEJ102
1k
R333 ERJ2GEJ271
270
R340 ERJ2GEJ101
100
R341 ERJ2GEJ101
100
R342 ERJ3GEYJ561
560
R343 ERJ3GEYJ331
330
R345 ERJ3GEYJ471
470
R346 ERJ3GEYJ4R7
4.7
R347 ERJ3GEYJ4R7
4.7
R348 ERJ3GEYJ331
330
R349 ERJ3GEYJ561
560
R350 ERJ2GEJ472X
4.7k
R351 ERJ2GEJ472X
4.7k
R352 ERJ2GEJ153
15k
R353 ERJ2GEJ562X
5.6k
R354 ERJ2GEJ682
6.8k
R355 ERJ2GEJ103
10k
R404 ERJ2GEJ472X
4.7k
R405 ERJ2GEJ330
33
R406 ERJ2GEJ330
33
R407 ERJ2GEJ330
33
R408 ERJ2GEJ330
33
R409 ERJ2GEJ330
33
R410 ERJ2GEJ473
47k
R411 ERJ2GEJ473
47k
R412 ERJ2GEJ470
47
R413 ERJ2GEJ105X
1M
R416 ERJ2GEJ473
47k
R418 ERJ2GEJ103
10k
Safety
Ref.
No.
Part No.
Part Name & Description
Remarks
R423 ERJ2GEJ473
47k
R424 ERJ2GEJ473
47k
R425 ERJ2GEJ473
47k
R426 ERJ2GEJ103
10k
R427 ERJ3GEYJ100
10
R428 ERJ2GEJ473
47k
R434 ERJ2GEJ102
1k
R435 ERJ2GEJ331
330
R436 ERJ2GEJ102
1k
R438 ERJ2GEJ102
1k
R439 ERJ2GEJ271
270
R440 ERJ2GEJ271
270
R441 ERJ2GEJ471
470
R452 ERJ2GEJ102
1k
R455 ERJ2GEJ102
1k
R456 ERJ2GEJ102
1k
R463 ERJ3GEYJ221
220
R465 ERJ2GEJ1R0
1
R472 ERJ2GEJ473
47k
R473 ERJ2GEJ473
47k
R474 ERJ2GEJ102
1k
R515 ERJ2GEJ332
3.3k
R516 ERJ2GEJ332
3.3k
R517 ERJ2GEJ221
220
R518 ERJ2GEJ221
220
R519 ERJ2GEJ222
2.2k
R520 ERJ2GEJ222
2.2k
R530 ERJ2GEJ332
3.3k
R531 ERJ2GEJ332
3.3k
R532 ERJ2GEJ221
220
R533 ERJ2GEJ221
220
R534 ERJ2GEJ222
2.2k
R535 ERJ2GEJ222
2.2k
R537 D0GA624JA023
620k
R538 D1BA2802A023
28k
R541 ERJ2RKF1002
10k
R547 D1BA3092A023
30.9k
R552 ERJ2RKF1003
100k
R554 ERJ2RKF7501X
7.5k
R556 ERJ2GEJ754
750k
R563 ERJ2GEJ100
10
R564 ERJ2GEJ331
330
R565 ERJ2GEJ331
330
R566 ERJ2GEJ331
330
R569 ERJ2GEJ222
2.2k
R570 ERJ2GEJ123
12k
(FILTERS AND COILS)
L301 PFVF1B601ST
CERAMIC FILTER S
L302 PFVF1B601ST
CERAMIC FILTER S
L303 J0JBC0000040
IC FILTER
L304 J0JBC0000040
IC FILTER
L461 J0JCC0000276
IC FILTER
L462 J0JCC0000276
IC FILTER
L463 J0JCC0000286
IC FILTER
L464 J0JCC0000286
IC FILTER
L465 J0JCC0000286
IC FILTER
R334 J0JCC0000286
IC FILTER
R464 J0JYC0000120
IC FILTER
R466 J0JYC0000120
IC FILTER
L309 G1C221MA0463
COIL
L410 G1C220MA0320
COIL
L460 J0JCC0000278
COIL
(TRANSFORMER)
T300 G5B1A0000011
TRANSFORMER
(CRYSTAL OSCILLATOR)
X301 H0J163500033
CRYSTAL OSCILLATOR
X410 H0J138500003
CRYSTAL OSCILLATOR S
Safety
Ref.
No.
Part No.
Part Name & Description
Remarks
