Kenwood NXR-800 Service Manual page 94

A B
NXR-800
1
CONTROL UNIT (X53-4130-10)
2
Component side view (J79-0011-09)
3
SPG 2
SPO 1
4
CN3
1
2
DC8
R1
GND
DC8
DC8
R6
50MPU
L6
R201
50MPU
R8 GND
DC8
K5 R7
R10
K4
K3
R9
R11 K2
C405
K1
GND
R12
STB1
GND
SR_DATA
R13
GND
SR_CLK
R14 GND
R436
5 SR_OE
GND
R15
PTT_TXD_SCM
SCM_EN
R437
R16 HOOK_RXD_SCM
GND
OCXO_ST_G
R414 C406
R17
PWR_ST_R
OCXO_ST_R
SB
R18 L7
VOLUME_IN
33AUD
R19 33MPU
MIC R407
GND
MIG
35
36
R2
6
1
7
4
8
9
J79-0011-09
10
11
12
13
94
14
C D
PC BOARD
R550
R204
R211
C226
R218
R219 C227
103
128
1
R232
C247
R231
R234
38
39 64
C256
R247
8
C263
CP26 CP24
C262
5
R398
R249
CP25
R250
R251
R455
IC38 IC28 IC27
4 3 4 3 3 4
IC36
5 1 5 1 1 5
C234
C283 C235
R203
R302
Ref. No. Address Ref. No. Address
IC4 7J IC22
IC6 8J IC23
IC7 5S IC25
IC10 6Q IC27
IC11 4P IC28
IC15 8Q IC29
IC16 8R IC30
IC17 6F IC31
IC18 4I IC32
E F
R202
R198
R208
R210
R215
R217
102
C121
C120
C463
R131
1 5
3 4
IC40
R235
65
R183
1 16
R473
R472
8
9
Ref. No. Address Ref. No. Address
8E IC33 6C Q1
9N IC34 6D Q6
9N IC35 7B Q7
8D IC36 8D Q18
8C IC37 6H Q26
9K IC38 8C D1
8H IC39 3I D2
8I IC40 6E D20
6C IC41 9N D25
G H
C372
R389
CN56
R390
R292
C277
108
73
109
72
IC37
37
144
36
1
C253 C254 C255
C252
C237
CN57
7I
9N
9N
8B
8N
6R
4Q
10S
5B
I J
C166 +
C170
+
C144 C141
R277
R275
AOUTL
R271
R273
R532
R531
9 8
C92 R530
R529
16 1
Q1
AOUTR AINL AINR
IC31
+
R216