CDX-GT49UM/GT490U/GT490US/GT494U
CDX-GT49UM/GT490U/GT490US/GT494U
18
18
4-3.
PRINTED WIRING BOARD – MAIN Section –
•
: Uses unleaded solder
.
(Page 22)
Ve
r.
1
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1
A
B
C
D
E
F
G
H
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23456789
1
0
11
12
13
1-880-41
1-
(12)
12
9
1
16
8
-1
-2
AM(9K)
FM(50K)
FM(200K)
AM(10K)
S402
FREQUENCY
SELECT
S402
GT490U/GT490US:E,EA,MX MODEL/GT494U
GT490US:AR MODEL
J302
S401
FLASH
PROGRAMMING
RESET
-2
R
-1
L
-4
R
-3
L
J801
(REMOTE IN)
CD MECHANISM
UNIT
(MG-101Y)
(2/2)
CD MECHANISM
UNIT
(MG-101Y)
(1/2)
REAR/SUB
AUDIO OUT
FRONT
B C E
B C E
8
1
15
114
28
1
37
2
36
G
S
D
D
DD
1
100
30
31
81
80
50
51
1
16
17
32
21
20
40
1
1
14
41
58
85
5
G
S
D
D
D
D
C20
C21
R401
C22
R402
C23
JC130
C24
R404
JC131
C25
R405
JC132
C26
R406
R212
JC133
C27
R407
R213
C28
R408
R409
R216
R217
R600
R410
R41
1
R414
R416
R418
R801
R419
R802
B C E
E C B
E C B
CN401
CN403
R420
R421
R422
R423
R424
R426
R427
R428
R815
R816
R817
R818
R430
R819
C201
R431
R432
C203
R433
R434
C204
C205
R435
R436
C206
CN802
FU601
R437
C207
R438
C208
C209
EXCEPT
EA
MODEL
R823
R825
C401
R826
C402
R827
C403
C404
C210
R440
R439
R829
JL001
C405
C21
1
R441
JL002
C212
C406
R442
JL003
C213
C407
R443
JL004
C214
R444
JL005
C409
C215
R445
JL006
C216
R446
JL007
R447
R830
JL008
R448
EA
MODEL
JL009
R832
C41
1
X401
X402
C413
JL010
R450
JL01
1
JL012
R452
C416
JL013
C417
JL014
R454
C418
JL015
R455
C419
JL016
R456
JL017
C803
JL018
C804
R459
JL019
C805
C806
C807
C420
C808
C421
C422
C423
R460
JL020
C424
R461
JL021
C425
S401
R462
JL022
C426
R463
JL023
C427
R464
JL024
C428
C810
R465
JL025
C81 1
C429
R466
C812
JL026
R467
C813
JL027
R468
JL028
C815
JL029
F501
C433
C434
JL030
C435
JL031
C436
JL032
JL033
JL034
JL035
JL036
JL037
JL038
C1
JL039
C5
C6
C8
JL040
C9
JL041
JL042
JW201
JW202
JW203
JW204
JW205
JW206
Q102
B C E
B C E
E C B
B C E
E C B
JW207
Q103
JW208
Q104
JW209
D201
JW210
D204
JW21 1
D205
JW212
JW213
Q303
JW214
Q304
JW215
Q305
JW216
JW217
JW218
JW219
D401
D403
D404
Q501
Q502
Q503
JW220
Q504
B C E
JW221
Q505
JW222
JW224
JW225
L301
JW226
JW227
JW228
D410
JW229
D41
1
Q701
B C E
JW230
JW231
L501
JW232
L502
JW233
L503
JW234
JW235
JW236
D806
JW237
D807
JW238
JW239
D809
JW240
D810
JW241
D81
1
JW242
D812
JW243
JW244
JW245
JW246
JW247
JW248
JW249
JW250
JW251
JW252
JW253
JW254
JW255
FB101
JW256
JW257
JW258
JW259
JW260
JW261
FB301
JW262
JW263
JW264
JW265
R101
JW266
E C B
JW267
R103
JW268
R104
JW269
R106
R107
JW270
JW271
JW272
R302
JW273
R303
R304
JW274
JW275
JW276
R306
R1 12
JW277
R1
13
JW278
R308
JW279
FB701
R309
FB702
R1 16
R1
17
FB705
R501
R502
FB707
R503
JW280
R504
JW281
R31
1
R505
JW282
JW283
R313
JW284
R508
L1
JW285
L2
JW286
JW287
JW288
JW289
R701
L6
L7
R703
L8
R704
R510
R51
1
R706
R512
R707
R513
JW290
R514
JW291
R709
R515
JW292
R516
JW293
R517
JW294
R518
JW295
R519
JW296
JW297
JW298
R710
JW299
CN501
R712
R713
R714
R520
R521
R717
R523
R524
R525
C101
R526
R527
C103
C104
C105
CN701
C106
C107
C108
C109
C301
C302
C303
C304
C1
10
C305
C1
11
C1
12
C306
C1
13
C307
C308
C1
14
C309
C1
15
C1 16
(ANTENNA)
C501
C502 C503
C504
C31
1
C505
C312
C506
C313
C507
R10
C314
C508
R1
1
C315
C509
R12
C316
R13
C317
R14
C318
R15
C701
C319
R16
C702
C703
C704
C705
C706
C707
C513
C514
C515
C322
31
45
C516
B C E
E C B
C323
C517
C518
C519
B C E
B C E
E C B
E C B
A001
C520
C521
C523
C524
CAM001
R1
R2
R3
R4
R5
R6
VR1
JW102
JW300
JW301
D101
1
3
JW302
JW303
JW304
D104
JW305
D105
JW306
Q202
JW307
Q203
JW308
Q204
JW309
D301
D302
D303
JW310
D304
JW31
1
Q401
D305
JW312
Q402
D306
JW313
JW314
D308
JW315
D309
JW316
JW317
JW318
JW319
JW126
D502
D503
D504
D505
CAM003
JW321
JW322
JW323
JW324
D701
JW327
JW328
D510
JW329
D51
1
D512
Q802
JW137
JW138
Q805
Q807
JW330
Q808
JW147
JW148
L801
CAM002
JC101
X1
JC102
JC103
JC104
JC105
JC106
JC107
JC108
JC109
JC1 10
JC
111
FB201
JC1 12
JC1
13
JC1
14
JC1
15
JC1 16
JC1
17
JC1
18
JC1
19
C12
C13
JC120
JC121
R201
JC122
C16
JC123
C17
R203
JC124
C18
R204
JC125
C19
JC126
R206
JC127
R207
JC128
JC129
J1
2
1
20
19
1
2
4
3
KEY
BOARD CN901
A
IC001
IC401
IC402
IC403
IC302
IC501
IC502
IC503
IC301