Motorola 6864115B62-C Detailed Service Manual page 122

3-20
9V3
R0201
100
R0202
560
C0201
10uF
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 R0226
C0227
1MEG
72mV RMS @12.5kHz
0.1uF
NU
DISCAUDIO
R0227
R0228
0 1MEG
PA_PWR_SET
MOSBIAS_3
MOSBIAS_2
C0237
2.2uF
NU
5V_RF 5V_RF
D0201
NU
5 1
4
3 2
5VD 5VD
DC_POWER_ON
NOISE_BLNKR
CH_ACT
R0211
R0203
7.5K
100
R0204
560
C0202
R0212
10uF
7.5K
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
100pF 0.1uF 0.1uF 10
C0228
NU
4,7uF
1
VDDA
NU
2
DISC
3
GNDA
4
DACU
5 U0221
DACR
6
DACG 63A53
7
VOX
8
PLCAP
9
SQIN
10
C0232 C0236 C0233 C0231 UIO
11
1uF
0.1uF .033uF 0.22uF VDDDAC
12
AGCCAP
NU
5V_RF
C0235
C0234
.022uF
0.1uF
5VDC (0VDC during radio off)
7 8
11
7 5 4 6 3
9V3
C0211
0.1uF
NU
VAG
C0212
10uF
FLAT_TX_RTN
VS_MIC
C0243
100pF
R0257
2.2K
5VD
U0251
MC14053B
R0251
47K
12
C0254
R0252
0.1uF
13
2
56K
1
5
5V_RF
C0255
3
0.1uF
R0242
0
TXRTN 36
GCB3 35
CLK168 34
C0242
VDDD 33
0.1uF
C0265
VDDCP 32
0.1uF C0266
GNDD 31
0.1uF
GNDD0 30 NU
NU
F1200 29
R0265
SYN 28
R0266
24K
VDDSYN 27 24K
5V_RF C0267
R0267
NC 26
.01uF
NU
47K
PLCAP2 25
C0241
R0268
0.1uF
10K
C0244
0.1uF
2 4
3
C0245 VAG
11
0.1uF
C0246
.01uF
INT_SWB+
R0241
47K
5VD
9
1 2
C0256
100pF
R0256
5V_RF 100K
9V3
R0254
10K 13 4
14
12
11
U0211-4
R0255 MC3403
10K
C0253
0 VDC
100pF
C0251
NU
0.1uF
R0253
100K
16
VCC 6 U0211-2
EN 9V3
C0252
X0
6
14 630mV RX Filtered
4
X
11 7 330mV Flat
X1 A MC3403
5
1uF
Y0 VAG
Y 15 11
B 10
Y1
Z0
4
Z
C0262
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
MC3403
Parts used only in LowBand Models
FLT_A+
C0271
C0290
9V3
.01uF
C0272 10uF
R0269
MC3403
0.1uF
470
1
U0211-1 U0271
7 TDA1519C
C0273
E0271
3300pF VCC
C0276
57R01
1000pF
4
9
INV OUT1
1
NINV
13VDC unmuted
3
R0273 RR
5VDC muted
6
8 M_SS
OUT2
24K
E0272
R0276 C0277
GND1 GND2 57R01
15K 1000pF
R0274
2
5
10K
Q0271
NU
R0275
C0275
10K
47uF
C0274
0.1uF
NU
Controller T6/T7 Schematic Diagram - Audio
Controller T6/7 / Schematic Diagrams
MODIN
VS_AUDSEL
16_8MHZ
RX_ADAPT
RX_FLAT_FILTERED_AUDIO
HANDSET_AUDIO
C0291 C0293
C0292
10uF
10uF 10uF
SPKR+
SPKR-
ZWG0130528-B
SPI(0:10)
GPIO(0:13)
CNTLR_AUDIO(0:7)