Kenwood NX-800 Service Manual page 44

A B C D
NX-800H
PC BOARD
1
TX-RX UNIT (X57-8900-18) (A/2): HK3
Component side view (J79-0403-09 A/2)
J701
EXT. SP
2
IGN
GND
CN705
3
5
IC715
4
1
R826
C820
5
O
IC403 G
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 6 1
R674
Q405 7
R673
24
R672
9
D512
4 3 19
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
C589
R633
R630 C581
R632 D504
C587 C583
C582
13
CN597
J79-0403-09 A/2
4
14
E F G
Q403
1 R401
C480
2
+
C805
+
+
D408
L401
+
L402
L403
+ D404
C421
F401 C419
C613
C612
R636
R918
R589
R922
R919
R592
R595
C629
L508
L511
C560
C559
C555 C540
C554 C539
CN595
C538
C550
R684 C537
C557
L517
DGND
C449
FLDM
BSC1 BSC0
C628
C626 C627
H I J K
IC102
1 2
C132
L106
C131
C128
C123
+
L107
R129
L108
+
C150
L109
R125
R131
R142
C158
R132
R120
1 8
1 8
IC103
R136
IC101
4 5
R137
4 5
G
R117 C125 D
S
Q105
Q106
R417
R74
C91 C90
D
S
C92
L31 G
C471 Q11
D21
C15
L1
L32 18 13 L33
R72
12
R15
19
C10 C7
C19
C13
R17 C20
R10
C21 1
25 7
R18 R8
6
L35
C5
R13
R1 R1
+ C32
+ C35
R32
+ C37 R5
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
C828
33V 5V_2 DGND
L M N O
TX-RX UNIT (X57-8900-18) (A/2): HK3
Component side view (J79-0403-09 A/2)
C190
C189
3 4
C187
C186
C185
C289
Q209
R289
1 8
R921
IC207
R147 R281
C327
R156 4 5
R296
R294
L219
C299
R287
D210
R333
C223
C333
R210
C225
R338
R286 C295
R216
C217
D209
C228
C218
C219
L217 C227
R215 R329
C6 C2
C9 R77 C290 4 3
R284 6 1
C288
Q212
C4
C202 C201
D208 C342
R330
C343
R212
R548
CF203
C292
C284 R283 C285
D207
R280
LO
IFDET
R277
BPF GND
L234
P Q R
NX-800H
PC BOARD
Ref. No. Address Ref. No. Address
IC1 9K Q209 7N
R152
IC2 10L Q212 10O
IC3 9J Q403 2E
IC4 12J Q405 9B
IC5 11J Q406 9B
IC101 7J Q411 10B
IC102 3K Q501 11C
IC103 7K Q709 5D
IC202 9O D2 12J
C174
IC203 10P D21 9K
TH102
C194 IC207 7O D102 5I
R161
C188 IC403 5B D207 11M
IC406 8J D208 10M
IC407 12H D209 9M
IC507 10C D210 8M
IC512 12B D404 6F
IC513 8B D405 6G
TH101
IC514 9D D408 5G
IC515 8D D410 10B
IC516 8D D411 10B
IC517 9C D504 13B
IC518 7D D506 8C
IC715 4B D507 8C
R302
Q1 12K D508 8B
Q11 9K D509 9D
Q105 8K D510 8D
Q106 8K D511 8C
Q201 10N D512 9B
R323
Q202 10N
R920
R345
1 24
C341
R334
C233
R234
12 13
C226
5 4
R230
IC203
8 1
R229
RAGC
C366
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
4
14