Motorola MTM800 - Remote Head Enhanced Main Board (PCB: 8471016 L01_A)

8.2 - 24 ENHANCED CONTROL HEADS: SCHEMATICS, PCBs and PARTS LISTS
Remote Head Enhanced Main Board (PCB: 8471016L01_A)
G
G
G
G
G
SPKR+
Balanced Audio
BUS+
Gabel Hybrid
SPKR-
INTERNAL MIC
ANA GND
SCI_TX
5VD
ON/OFF CONTROL
"BOARD-MARKER"
SCI_TX
AUDIO+
ON/OFF CONTROL
FLT_A+_REG
AUDIO-
BUS+
GND
ANA GND
SPKR+
0
GND
oiduA XT
FLT_A+
NC
ROTCENNOC OIDAR
SPKR-
SPKR+
FLT_A+
ANA GND
ROTCENNOC TNUOM ETOMER
HANDSET AUDIO
ON/OFF CONTROL
oiduA XR
BUS+
J301 - 12-pin Connector
SPKR-
J302 - 10-pin Telco
1
2K
3
3K
4
4
K
6
MMQA5V6T1
VR304
5V6
1A
2
2A
5
1
K
TP306
1
FLT_A+
R323
3.3K
9V3
R324
4.7K
C313
10uF
R322
6.2K
VAG_1
R321
12.4K
0
R318
20V
TP301
1
FLT_A+
MMQA20VT1
VR303
202C
FLT_A+
Fu01
R301
47.5K
R302
VAG_1
47.5K
47.5K
R307
47.5K
R316
47.5K
R317R310
47.5K
NU
VAG_1
47.5K
R312
0
R102
Fp28113C
R325
12.4K
R313
47.5K47.5K
R311
R304 0
0R303
NU
0
R309
NC
NC
NC
NU
R308
0
R201
80.6K
R202
12.4K
Fu210.102C
2A
32V
F300
FLT_A+
9V3
J301-1
J301-2
J302-7
J302-4
J302-9
J302-1
J302-3
J302-6
J302-8
J302-5
J302-10
J302-2
C301
10
R205
Fu1
10uF
9
10
8
4
11
602C
U202-2
6
5
7
4
11
U202-3
U202-4
13
12
14
4
11
2
3
1
4
11
470pFC302
U202-1
Fp28
413C
NU
NU
NU
C303 470pF
VAG_1
9V3
12.4K
R326
R314
R315
392
Fp074803C
392
Fp074703C
Fp074903C Fp074603C
J301-14
Fp28013C
J301-13
J301-11
J301-12
J301-9
J301-10
J301-7
J301-8
J301-6
5
FEEDBACK
7
DN
G
4
INPUT
8
OUTPUT
1
SENSE
2
SHUTDOWN
3
6
VTAP
J301-5
LP2951CD
U201
ERROR
C203 0.1uF
0.1uF
C204
VAG_1
3.3K
R204
R203
3.3K
R306
47.5K
J301-4
9V3
9V3
1
CN
CN
J301-3
NC
TP302
403C
Fp074
1
Fp074503C
Q101
TP303
R1
R2
R101
12.4K
33V
VR302
33V
5V 5V
VR301
5V
5V