Motorola CDM Series Service Manual page 117

&RQWUROOHU 7 6FKHPDWLFV DQG 3DUWV /LVWV
9V3
R0202
560
80mV RMS
R0205
10K
INT_MIC
C0203
2200pF
80mV RMS NU
EXT_MIC
5V_RF
TX_AUD_RTN
TX_AUD_SND
RX_AUD_RTN
5V_RF
300mV RMS
C0222
0.1uF
URX_SND
200mV RMS
FLAT_RX_SND
5V_RF
145mV RMS @25kHz
C0227
72mV RMS @12.5kHz
0.1uF
NU
DISCAUDIO
R0228
0
PA_PWR_SET
MOSBIAS_3
MOSBIAS_2
C0237
C0232
2.2uF
NU
5V_RF
D0201
NU
1
5
4
3 2
5VD
DC_POWER_ON
NOISE_BLNKR
CH_ACT
R0201 R0203
100
100
R0204
560
C0201 C0202
10uF
10uF
TP0221
C0204
0.1uF
R0207
2.2K
R0206
10K C0205
R0208
2200pF
2.2K
NU
R0220
8.2K
NU
C0221
R0221
0.1uF TP0222
24K
R0222 R0223
R0225 24K 30K
R0224
8.2K
8.2K
NU
C0223
0.1uF R0229
10
R0226
C0228
1MEG
NU
C0226 4.7uF
C0224 C0225
100pF 0.1uF 0.1uF
R0227
1
1MEG
VDDA
NU 2
DISC
3
GNDA
4
DACU
5
DACR
U0221
6
DACG
63A53
7
VOX
8
PLCAP
9
SQIN
C0233
10
0.22uF UIO
C0236
11
NU
.033uF VDDDAC
0.1uF
C0231 12
AGCCAP
1uF
5V_RF
5V_RF
C0234 C0235
0.1uF .022uF
5VD
5VDC (0VDC during radio off)
11
7 5 4 6
9V3
R0211 C0211
0.1uF
7.5K
NU
VAG
R0212
C0212
7.5K
10uF
FLAT_TX_RTN
VS_MIC
C0243
100pF
5VD
R0251
C0254
47K R0252
0.1uF
56K
5V_RF
C0255
0.1uF
R0242
0
36
TXRTN
35
GCB3
34
C0242
CLK168
33 0.1uF
VDDD NU C0265
32
VDDCP 0.1uF C0266
31
GNDD 0.1uF
30
GNDD0 NU
29
F1200
28
SYN R0266
27
C0267
5V_RF 24K
VDDSYN
26
.01uF
NU
NC
25
PLCAP2
C0241
R0265
0.1uF
24K
R0268
C0244 10K
0.1uF
U0211-1
MC3403
2
C0245
0.1uF
VAG
3
C0246
.01uF
INT_SWB+
R0241
47K
7 8 9
3 1 2
C0256
100pF
R0256
100K
5V_RF
9V3
R0254
13 4
10K
14
12
11
U0211-4
MC3403
R0255
10K
C0251
C0253
R0257 0 VDC
100pF
2.2K
0.1uF
NU
R0253
100K
U0251
MC14053B 16
6
C0252
VCC
EN 9V3
12
1uF
X0
4 630mV RX Filtered
14 6
X
13 7 330mV Flat
11
X1
A
5
2 Y0
VAG
15 11
U0211-2
Y
1
10 MC3403
Y1
B
5
Z0
4
Z
3 C0262
9
Z1
C
GND VEE
82pF
5VDC RX Filtered
7
8
Audio (0V DC Flat)
R0262
270K
9V3
R0261
C0261
10K
9 4
8
0.1uF
10
VAG
11
U0211-3
R0267
MC3403
47K
FLT_A+
C0271
.01uF
9V3
C0272
4
0.1uF
R0269
1
U0271
TDA1519C
470 7
11 C0276
VCC
C0273
1000pF
3300pF
4
9
INV OUT1
1
13VDC unmuted NINV
3 RR
5VDC muted
R0273
8 6
M_SS
OUT2
24K
R0276
5VD R0274
GND1 GND2
15K C0277
10K
5 1000pF
2
NU
Q0271
R0275
C0275
10K
47uF
C0274
0.1uF
NU
&RQWUROOHU 7 6FKHPDWLF 'LDJUDP  $XGLR
&KDSWHU  
MODIN
VS_AUDSEL
16_8MHZ
RX_ADAPT
RX_FLAT_FILTERED_AUDIO
HANDSET_AUDIO
E0271
57R01
SPKR+
SPKR-
E0272
57R01
SPI(0:10)
GPIO(0:13)
=:*2
CNTLR_AUDIO(0:7)
 &%