Motorola 6864115B62-C Detailed Service Manual page 131

Gm series professional radio
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Controller T9 / Schematic Diagrams
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
URX_SND
0.1uF
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
5V_RF
D0201
NU
5
1
4
3
2
5VD
DC_POWER_ON
NOISE_BLNKR
CH_ACT
R0203
R0201
100
100
R0204
560
C0201
C0202
R0212
10uF
10uF
TP0221
C0204
R0207
0.1uF
2.2K
R0206
10K
C0205
R0208
2200pF
2.2K
R0220
NU
8.2K
NU
C0221
R0221
0.1uF
TP0222
24K
R0222
R0223
24K
30K
R0224
R0225
8.2K
8.2K
NU
C0223
0.1uF
C0224
C0225
C0226
R0229
10
100pF
0.1uF
0.1uF
R0226
C0228
1MEG
NU
4,7uF
1
R0227
VDDA
NU
2
DISC
3
GNDA
1MEG
4
DACU
U0221
5
DACR
6
DACG
63A53
7
VOX
8
PLCAP
9
SQIN
10
C0237
C0232
C0236
C0233
C0231
UIO
11
0.1uF
.033uF
1uF
2.2uF
0.22uF
VDDDAC
12
AGCCAP
NU
NU
5V_RF
5V_RF
C0235
C0234
.022uF
0.1uF
5VD
5VDC (0VDC during radio off)
11
7
5
4
6
9V3
R0211
C0211
0.1uF
7.5K
NU
VAG
C0212
7.5K
10uF
FLAT_TX_RTN
VS_MIC
C0243
100pF
5VD
R0251
47K
C0254
R0252
0.1uF
56K
5V_RF
C0255
0.1uF
R0242
0
TXRTN 36
GCB3 35
CLK168 34
C0242
VDDD 33
0.1uF
C0265
VDDCP 32
C0266
0.1uF
GNDD 31
0.1uF
NU
GNDD0 30
NU
F1200 29
R0265
SYN 28
R0266
24K
VDDSYN 27
24K
5V_RF
C0267
NC 26
.01uF
NU
PLCAP2 25
C0241
0.1uF
C0244
0.1uF
2
3
VAG
C0245
0.1uF
C0246
.01uF
INT_SWB+
R0241
47K
5VD
7
8
9
3
1
2
C0256
100pF
R0256
5V_RF
100K
9V3
R0254
10K
13
4
14
12
11
U0211-4
R0255
MC3403
10K
C0253
0 VDC
C0251
100pF
R0257
NU
0.1uF
2.2K
R0253
U0251
100K
MC14053B
16
VCC
6
U0211-2
EN
9V3
12
C0252
X0
6
14
630mV RX Filtered
4
X
13
11
7
330mV Flat
X1
A
MC3403
5
1uF
2
Y0
VAG
11
Y 15
B 10
1
Y1
5
Z0
4
Z
C0262
3
C 9
Z1
82pF
GND
8
7
R0262
5VDC RX Filtered
Audio (0V DC Flat)
270K
9V3
C0261
R0261
9
4
8
10K
0.1uF
10
VAG
11 U0211-3
R0267
MC3403
47K
R0268
FLT_A+
10K
C0271
C0290
9V3
.01uF
C0272
10uF
R0269
MC3403
4
0.1uF
470
1
U0211-1
U0271
11
7 TDA1519C
C0273
3300pF
VCC
C0276
1000pF
9
4
INV
OUT1
1
NINV
13VDC unmuted
3
R0273
RR
5VDC muted
6
8 M_SS
OUT2
24K
R0276
C0277
GND1
GND2
1000pF
15K
R0274
2
5
10K
Q0271
NU
R0275
C0275
10K
47uF
C0274
0.1uF
NU
Controller T9 Schematic Diagram - Audio PA
3-29
MODIN
VS_AUDSEL
16_8MHZ
RX_ADAPT
RX_FLAT_FILTERED_AUDIO
HANDSET_AUDIO
Parts used only in LowBand Models
C0291
C0293
C0292
10uF
10uF
10uF
E0271
57R01
SPKR+
SPKR-
E0272
57R01
ZWG0130528-B
SPI(0:10)
GPIO(0:13)
CNTLR_AUDIO(0:7)
G

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