102
J
I
H
G
F
E
D
C
B
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
G
S
D
R403
R40
9
R220
R221
R230
R237
R240
R241
R242
R243
R245
C20
9
R246
C62
R254
R261
C76
R262
1
10
11
20
R267
R268
R26
9
R270
C244
1
8
9
16
C246
C
9
7
C248
C24
9
R286
R287
R288
R28
9
C251
R2
9
0
C258
R2
9
6
R2
9
7
C265
C266
C268
C267
C26
9
C270
C272
C274
C27
9
R301
R316
R317
R318
R31
9
R320
R321
R322
R323
R130
R324
R325
R326
R327
R328
R32
9
R137
R330
R331
R332
R333
R334
R335
R336
R337
35
36
2
1
R338
C111
R153
R15
9
R35
9
R361
R362
R363
R364
R365
R366
R367
R368
R36
9
R370
R371
R372
R373
R374
R375
R376
R377
R184
C345
R1
9
1
R1
9
4
R3
9
1
C161
R3
9
2
R3
9
4
2
1
35
36
C358
R3
9
5
R3
9
6
R3
99
R6
9
R85
R86
C3
9
5
R
9
5
R200
IC40
1
3 4
5
C226
L6
L7
C121
CN56
IC34
C245
IC33
1
34
5
1
34
5
IC32
C250
CP10
CP13
D25
L5
L20
L21
L22
CN60
CN3
CP8
IC17
IC27
IC28
IC36
IC38
1
3
4
5
1
1
3
3
4
4
5
5
C262
CP26
CP25
C252
IC22
IC35
R426
Q18
C257
CP1
9
IC31
CN57
IC37
Q1
1
8
9
16
IC30
1
34
5
C400
C78
C86
C87
C271
C278
IC4
IC6
1
3
4
5
C144
C166
+
+
IC18
1
34
5
IC3
9
1
3
4
5
1
2
35
36
R10
R11
R12
R13
R14
R15
R16
R17
R18
R1
9
R6
R8
R210
R211
R407
R215
R217
102
103
R218
R21
9
R414
R231
R232
R234
R235
R436
R437
R24
9
C405
C406
R250
R251
R455
C227
1
128
C234
C235
C247
C256
1
4
5
8
C263
C463
C283
R131
C120
R552
R553
R1
GND
50MPU
K4
DC8
DC8
K2
GND
GND
GND
GND
GND
GND
SCM_EN
PWR_ST_R
SB
MIC
33AUD
MIG
DC8
DC8
GND
50MPU
K5
K3
STB1
K1
SR_DATA
SR_CLK
PTT_TXD_SCM
SR_OE
HOOK_RXD_SCM
OCXO_ST_G
VOLUME_IN
OCXO_ST_R
GND
33MPU
1
SPO
SPG 2
R2
R7
R
9
R1
9
8
R3
9
8
R201
R202
R204
R208
R247
38
3
9
64
65
R472
R473
R302
R183
1
8
9
16
R203
R216
+
C237
C254
C255
C253
144
1
36
37
R271
R273
R275
R277
C
9
2
R2
9
2
108
73
72
10
9
C277
R52
9
R530
R531
R532
AOUTL
AOUTR
AINL AINR
C141
R38
9
R3
9
0
C170
C372
J7
9
-0011-1
9
GND
MOD
SDO1
SCLK1
SDI1
8AD_EN
2DA_CE
2DA_EN
132_CE
132_EN
VR_EN
ANT_SW
SCK
SDA
CONT_5.0V
CONT_5.0V
PAG
GND
GND
WP
GND
SCLK0
SDO0
SR_EN
SR_OE
3DA_EN
LDT
440_CE
440_EN
VER
TEMP_PRT
D_GND
D_GND
D_GND
GND
GND
GND
D_GND
CONT_5.0V
D_GND
IF_BW_SW
NC (IF_NW_SW)
GND
NC
PLL_LOCK_DET
PLL2_EN
NC
PLL_PWR_SAVE
SIF_DAT
SIF_CLK
PLL1_EN
DDS_EN
NC
GND
GND
WP
E2PROM_SDA
E2PROM_SCL
AD_CS
AD_DAT_WRITE
AD_CLK
AD_DAT_READ
CONT_5.0V
NC (AGC_RSSI)
FM_RSSI
RX_AUDIO
GND
DA_EN
RX_PWR_SAVBE
VCO_BAND_SW
GND
GND
NXR-
9
01
PC BOARD
CONTROL UNIT (X53-4132-XX) -71 : K -72 : For service
Component side view (J79-0011-19)
Ref. No. Address
IC4
7J
IC6
8J
IC7
5S
IC10
6Q
IC11
4P
IC15
8Q
IC16
8R
IC17
6F
IC18
4I
Ref. No. Address
IC22
8E
IC23
9
N
IC25
9
N
IC27
8D
IC28
8C
IC2
9
9
K
IC30
8H
IC31
8I
IC32
6C
Ref. No. Address
IC33
6C
IC34
6D
IC35
7B
IC36
8D
IC37
6H
IC38
8C
IC3
9
3I
IC40
6E
IC41
9
N
Ref. No. Address
Q1
7I
Q6
9
N
Q7
9
N
Q18
8B
Q26
8N
D1
6R
D2
4Q
D20
10S
D25
5B
Summary of Contents for NEXEDGE NXR-901
Page 154: ...1 E CN300 RX_IF_VN ...