Kenwood NX-800 Service Manual page 104

A B C D
NX-800
PC BOARD
1
TX-RX UNIT (X57-7390-10) (A/2)
Component side view (J79-0130-19 A/2)
J701
EXT. SP
2 1
2
CN705
3
5
IC715
4
1
R826
C820
5
O
G
IC403
I
6
C422
C614 C615
7
C593
C592
IC518
R650
D508
R654
C618
R644 R690 R689 R656
R678
8
R658
1 5
IC513
3 4 D506
R637
R651
D507
D510
C438
R842
R640
C435
D509
R415
R674 6 1
7
Q405 R673
24
R672
9
D512
19
4 3
12 5 4
13 18 IC514
6 1
8 1
Q406
C591
Q411
4 3
5 1
R445
IC507
10
D410
L506
R583
CN549
R580
R578
11
R506
R634
R523
L522
C515
C590
12
C585 C584
C588
R633 C589
R630 C581
R632
C587 C583
D504
13
CN597
J79-0130-19 A/2
72
14
E F G
Q403
R401
+
C805
+
+
D408
+
L402
L403
D404
+
C421
F401 C419
C613
C612
R636
R589 R918
R592 R919
R595
L508
L511
C560
C559
C555 C540
C554 C539
CN595
C538
C550
R684 C537
C557
L517
DGND
C449
BSC1 BSC0 FLDM
H I J K
IC102
1 2
C132
L106
C131
C128
C123
R129
L108
C150 +
L109
R125
R131
R142
C137
R132 C134
R120 1 8
1 8
R136
4 5
R137
4 5
G
R117 C125 D
S
Q105
Q106
R417
R74
C91 C90
D
S
C92
C471 L31 G Q11
D21
C15
L32 L33 L1
18 13
R72
R15 12
19
C10 C7
C19
C13
R17 C20
R10
C21 1
25 7
R18 R8
6
L35
C5
R13
R1 R1
+
C32
+
C35
R32
R5
+ C37
CV
C31
C48 R45 R42
R28
R49 C55 C47
5 4
IC5
8 1
C54
R352
C38
C14
4 3
IC407
5 1
C448
C440
33V 5V_2 DGND
L M N O
TX-RX UNIT (X57-7390-10) (A/2)
Component side view (J79-0130-19 A/2)
R152
C190
C189
3 4
C187
C186
C185
R282
C289
C158
R921
R147
C327
R156
R148
C193
R294
L219
C299
R287
D210
R333
C223
R353
R210
R338
R286 C295
C217
D209
C228
C218
C219
L217
CD201
C227
C6 C2 Q212
R329
C9 R77 C290 4 3
C358
6 1
R284
C288 C336
C4 C202 C201
R330 C342
D208
C343
C213
R548
C230
CF203
C292
R221
C284 R283 C285
IFDET
D207
LO
R277
BPF GND
R342
P Q R
NX-800
PC BOARD
Ref. No. Address Ref. No. Address
IC1 9K Q201 10N
IC2 10L Q202 10N
IC3 9J Q212 10O
IC4 12J Q403 2E
IC5 11J Q405 9B
IC101 7J Q406 9B
IC102 3K Q411 10B
C177
IC103 7K Q501 11C
IC201 10N Q709 5D
C174
IC202 9O D2 12J
TH102
C194
IC203 10P D21 9K
R161
C188 IC205 7N D102 5I
IC206 7O D207 11M
IC403 5B D208 10M
IC406 8J D209 9M
IC407 12H D210 8M
IC507 10C D404 6F
TH101
IC512 12B D405 6G
IC513 8B D408 5G
IC514 9D D410 10B
IC515 8D D411 10B
C302
IC516 8D D504 13B
IC517 9C D506 8C
IC518 7D D507 8C
IC715 4B D508 8B
Q1 12K D509 9D
Q11 9K D510 8D
Q105 8K D511 8C
Q106 8K D512 9B
R345
1 24
C341
R334
C233
R234
12 13
C226
5 4
R230
IC203
8 1
RAGC
VAGC
Component side
Layer 1
Layer 2
Layer 3
Layer 4
Layer 5
Layer 6
Foil side
S
1
2
3
4
5
6
7
8
9
10
11
12
13
73
14