Printed Circuit Board; Main Board - Panasonic KX-MB771GR Service Manual

17 Printed Circuit Board

17.1. MAIN BOARD

MAIN BOARD
17.1.1.
PFUP1657Z
R452
C673
C491
C671 L502
PbF
Q522
C525
E
R533
B
11
IC503
20
C549
C546
L505
E Q517
R556
R549
E Q516
CN511
R543
E Q514
R709
C413
C403
C412
27
IC400
28
C405
BAT300
J300
R450
C488
LED750
: COMPONENT VIEW
D503
R310
Q523
C374
R574 IC302
E
Q524
CN502
L372
Q502
+3.3V
Q525
S E E
Q521
E
Q526
DG
10
1
B
C544
C545
C540
C542
R561
C536
R560
C557
R559
R563
A2
C548
B1
R562
L365
R564
L366
L368
L371
C411 R401
C400
C402
C414
C401
1
R409
54
AE1
AF2
C404
R410
C407
C406 X303
+3.3V/BATT
32.768
RA750
R763
R347
R762
R348
R343
R761
R764
R335
C753
1 R765
R767
48
13
IC750
24
C762 36
25
R754
L753
C755
2
8
R752
7
1
R753
10
9 L752
CN750
R755
+24V
C387
CN506
C515
D300
C514
CN508
C560
C518
C667
C380
C396
PFLP1901, PFLP1902
29
28
24
25
IC402
PFLP1903, PFLP1904
PFLP1905, PFLP1934
48
1
56 1
RA319
RA315
R447
RA317
RA320
RA318
RA316 RA314
X302
A25
C315 R375 C316
B26
IC300
L359
R305
L358
R355
R352 L353
R353 L354
R354 L355
R351 L351
R350 L349
R349 L348
C313
AF25
C310
R384
X301
C311
+1.2V
R346
C384
R303
L374
1
4
C386
Q303
5 8
2 C312
1
C320
3 4
5 7 L399
CN300
6 8
KX-MB771GR MAIN BOARD COMPONENT VIEW
245
L503
C501
CN501
CN504 CN500
CN505
BLUE
Q505 Q503
R516
E E
E
E E
Q504 Q506
+5VD
C229
L200
R201
+7V
C200
C201
C219
R221
C214 R217
C653
C213
L210
A
L208
RESET
1 16
IC200
8
R245
C244
AUTO-CH
1 16
L227
C655
IC100
C104
9
8 C105
R130
C120
Q100 E
C121
C101
D100
RLY100
R133
R131
R123
L103
D104 C119
E
Q101
D105
C103
D101
R120 R132
R122
R124
R125
5 1 5
6 6
2
PCB-CH
8 7
7
CN101
KX-MB771GR
A
C672 R451
CN507
C490
R526
S
Q509
D501
R502
E Q511
R501
L234
L224
L222
L223
L221
L239
L240
L238
C246
L229
R225
C224
IC202
R214
L202
E
C242
L203 Q200
R251 R250
R255 R256
9
C106
C111
1 R103
16
E
IC101
Q103
C108
8 9
D103
L111
L100
L101
R134
L110
R129
C114
L107
C115
SA100
SA101
POS100
1
2
8