Motorola 6864115B62-C Detailed Service Manual page 114

3-12
9V3
R0201
R0203
100
100
R0202
R0204
560
560
C0201
C0202
10uF
10uF
80mV RMS
R0205
C0204
10K
INT_MIC
0.1uF
C0203 R0207
2.2K
2200pF
80mV RMS
NU
R0206
EXT_MIC
10K
C0205
5V_RF
2200pF
R0220
8.2K
NU
TX_AUD_RTN
TX_AUD_SND
RX_AUD_RTN
R0221
5V_RF
24K
R0222
24K
R0224 R0225
300mV RMS
8.2K 8.2K
C0222
NU
0.1uF
URX_SND
C0223
200mV RMS
FLAT_RX_SND
0.1uF
FLAT_TX_RTN
R0229
5V_RF
145mV RMS @25kHz R0226
C0227
72mV RMS @12.5kHz 1MEG
NU
0.1uF
NU
DISCAUDIO
C0224 C0225
C0226
100pF
0.1uF 0.1uF
R0228 R0227
NU
0 1MEG
PA_PWR_SET
MOSBIAS_3
MOSBIAS_2
C0232 C0236 C0233
C0237
0.1uF
.033uF 0.22uF C0231
2.2uF
NU
NU
5V_RF 5V_RF
5V_RF
D0201 5 1 C0234
0.1uF
NU
4
3 2
5VD 5VD
5VDC (0VDC during radio off)
DC_POWER_ON
NOISE_BLNKR
CH_ACT
Controller T5 Schematic Diagram - Audio
R0211 C0211
7.5K 0.1uF
NU
R0212 C0212
TP0221
7.5K 10uF
R0208
2.2K
NU
C0221
C0243
100pF
0.1uF
TP0222
R0223
30K
100
C0228
1uF
R0242
0
1 VDDA 36
TXRTN
2 DISC 35
GCB3
C0242
3 GNDA 34
CLK168
4 33 0.1uF
DACU VDDD
5 DACR U0221 32
VDDCP
6 DACG 31
63A53 GNDD
7 VOX 30
GNDD0
8 PLCAP 29
F1200
9 SQIN 28
SYN
10 UIO 27
VDDSYN
11 VDDDAC 26
NC
12 AGCCAP 25
1uF PLCAP2
C0241
0.1uF
C0244
0.1uF
C0235
.022uF
C0245
0.1uF
C0246
.01uF
R0241
47K
7 8 9
11
7 5 4 6 3 1 2
9V3
9V3
13
12
VAG
VS_MIC
C0251
NU
5VD
0.1uF
U0251 MC14053B
16
R0251
6
47K EN
12
X0
14
R0252 X
C0254 13 11
X1 A
2
0.1uF
Y0
56K
15
Y
1 10
Y1 B
5
5V_RF Z0
C0255 4
Z
0.1uF 3 5VDC RX Filtered
9
Z1 C
Audio (0V DC Flat)
GND VEE
7
8
C0265
C0266
NU
0.1uF 0.1uF
C0261
NU
0.1uF
R0265 R0266
C0267
R0267
5V_RF
24K 24K
.01uF
47K
NU
R0268
FLT_A+
10K
9V3
C0272
R0269
2 MC3403
4 0.1uF
470
1
3
VAG
U0211-1
11
C0273
3300pF
R0273
13VDC unmuted
24K
5VDC muted
INT_SWB+
5VD R0276
15K
R0274
10K
R0275 Q0271
NU
10K
C0274
0.1uF
NU
U0211-4
MC3403
4
14
11
MODIN
VS_AUDSEL
16_8MHZ
C0253
0 VDC
100pF
NU
R0253
100K
C0252
9V3
1uF
6
630mV RX Filtered
4
7 330mV Flat
RX_FLAT_FILTERED_AUDIO
5
VAG
11 U0211-2
MC3403
C0262
82pF
R0262
100K
R0261
9V3
10K
9 4
8
HANDSET_AUDIO
10
VAG
11 U0211-3
MC3403
C0271
.01uF
U0271
7 TDA1519C C0276
E0271
1000pF
VCC
57R01
9
OUT1 4
INV SPKR+
1
NINV
3 RR
8 6
M_SS OUT2 SPKR-
C0277
E0272
1000pF
GND1 GND2
57R01
2 5
C0275
47uF
SPI(0:10)
GPIO(0:13)
CNTLR_AUDIO(0:7)
Controller T5 / Schematic Diagrams
ZWG0130507-O