Main Board 8466575A01_A / Controller Audio Section - Motorola MTM800 User Manual

8.1 - 18
G
9V3
R0201 R0202 R0204
100 100 200K
C0200 C0201
R0203
R0200
10uF 560 10uF
560
R0205
16V 16V
200K
G
ATTN_EN
80mV C0202
G
INT_MIC
0.1uF
80mV
C0203
G
EXT_MIC
0.1uF
MIC G
775mV
G
TX_AUDIO
G
SP_AUDIO
G
3V_DIG 3V_DIG
G
FLT_A+ FLT_A+
G
INT_SWB+ INT_SWB+
C0204
0.1uF
9 4
8 U0202
VAG_1
TC4S66F
10
11
R0222
10K
U0206-3
VDD
1 2
MC3403
VSS
C0205
0.1uF CNTL
R1
9V3
R2
R0223
4.7K
R0224
Q0202
C0213 15K
0.1uF
9V3
U0201
MC14053BD
13 4
6 14
EN
12 12
YOA R0218 VAG_1
11
14
10K
ZA
13 11
Y1A SA
U0206-4
2
Y0B
MC3403
15
ZB
1 10
Y1B SB
5
Y0C
4
ZC
3 9
Y1C SC
Q0201
R0206
9V3
47K
R0207
9V3
47K
R0208
9V3
R1
47K
R2
Q0203

Main Board 8466575A01_A / Controller Audio Section

3V_DIG
2
SO
5
SI U0207
6
AT25128-10UU-2_7
SCK
1
G
E2_CS CS
7
HOLD
3
9V3 WP
C0218
0.1uF
3V_DIG
R0228
10K
9
BCLKR
12
BCLKT
11
MCLK
8 2
DR RO_NEG
7
FSR
10 FL0200
PDI
MC145483
14
FST
4
PO_NEG
3 5
PI PO_POS TP0200
18 17
TI_NEG TG
19 13
R0225 VAG_2 TI_POS DT
C0221 16
1K
HB
1uF
1 20
VAGREF VAG
C0219
3V_DIG C0223
.01uF
0.1uF
C0220
0.1uF
U0203
X9315
2 3
U_D* VH
1 6 R0220
INC VL
1K
7 5
CS VW
3V_DIG
C0222
0.1uF
U0204
X9315
2 3
U_D* VH
R0221
1 6
INC VL
100
7 5
CS VW
TRANSCEIVER 450-470MHz: SCHEMATICS, PCBs and PARTS LISTS
G SAP_SRD
C0228
180pF
R0240
100K
9V3
C0226
R0238
0.1uF
27K
2 4
1
3
VAG_1
11
U0206-1
MC3403
VAG_2
C0236 R0246
0.1uF NU 15K NU C0229
82pF
R0242
270K
C0225 R0239
9V3
12K
0.1uF
6 4
7
5
VAG_1
11
U0206-2
MC3403
R0244 C0227
AUDIO_A+
10K 0.1uF
C0230
R0245
3300pF
3.3K
U0205
TDA1519C C0232
0.1uF
INT_SWB+
R0243 9 4
INV OUT1
27K
1
NINV
3
RR
8 6
M_SS OUT2
C0237
3V_DIG
R0241
C0231
0.1uF
15K
33uF
16V
R0237
15K
R1
Q0200
R2
G RX_AUDIO
G
HANDSET_AUDIO
C0233
1000pF
L0231
57R01
G SPKR+
C0235
1000pF
L0232
57R01
G SPKR-
C0234
1000pF
G EXT_MUTE
G
MUTE