Service Manual

MM-E 2072-09333-00
DI
VCC
RO
DE
RE
GND
A
B
5VTAP
FDBCK
GND
IN
OUT
SENS
STDN
ERR
DI
VCC
RO
DE
RE
GND
A
B
DI
VCC
RO
DE
RE
GND
A
B
V
V
C2-
C2+
C1+
V+
C1-
T1I
V-
R1O
EN
T1O
VCC
GN D
FORCEON
FORCEOF F
R1I
INVALID
N
O
T
A
S
S
E
M
B
L
E
D
I
N
D
A
S
H
M
O
D
E
ACTIVE
ACTIVE
10 0
0
SHDN
OPSTATUS
AUTOSHDN
FORCEON
0X
0 1
EN_N
0
T_OUTF_OFF_N R_OUT
ACTIVE
VALID
X
YES
NO
HIGH_Z
HIGH_Z HIGH_Z
NORMAL (AUTOSHDN)
ONLY ASSEMBLED IN CDN MODE
RADIO_DASH_TO_FROM
RX_AUDIO_PRADIO ONLY
PANEL_TO_FROM
C36
100N
13V8_RADIO_TRUNK
13V8_RADIO_TRUNK
22U
L9
C40
100N
LAB
100NC41
6
5
2
34
11
7
9
1
13
15
14
12
16
8
10
U6
MAX3221EEUE+
LAB
C43 470N
470N
C45
C44
470N
10KR33
LAB
10 R35
LAB
R3410
LAB
1K
R32
LAB
10
R37
LAB
R36 10
LAB
CH_TXD_P_INT
RADIO_RX_UART0_TTL
CH_RXD_P_INT
180P
C25
56.2KR17
R2
261
13V8_DC_RADIO
1
2
4
3
Q1
D45H8
16
10
11
12
13
14
2
3
4
5
6
7
8
9
1
15
P2
43045-1618
PANEL_TO_FROM
CH_RXD_P
CH_RXD_M
AUDIO_BIAS_T
2
3
1
4 8
U1
MC33072ADR2
5
6
7
8
4
U1
MC33072ADR2
5V0
5V0
PTT_P
7
6
5
2
3 1
84
LTC485IS8
U4
RADIO_RX_UART0_TTL
TX_UART0_TTL
TX_UART0_TTL
CH_RXD_P_INT
TX_UART0_TTL
PTP_RXD_PNL
PTP_TXD_PNL
PTT_MIC_POS
RADIO_RX_UART0_TTL
PTT_M
R20 100K
R23
10
CH_TXD_M
CH_TXD_P
CH_TXD_P_INT
C42
1U
100V
7
6
5
2
3 1
84
LTC485IS8
U3
5V0
R26
2.67K
0.125
562
R1
R24
10
PTP_RXD
PTP_TXD
R9 10K
R14
10K
22U
L8
25V
10U
C30
C31
10U
25V
C10
1N
C8
1N
R6
1K
C32
10N
6
7
4
81
2
3
5
U2
LP2951CMX
C1
390N
R15 20K
R21
1.82K
1%
1W
1%
15.4K
R3
R27
562
1/2W
R7
61.9
0.125W
R19
20K
R16
20K
390N
C4
C7 1N
C3
390N
L7
22U
R25
10
PTT_P
C37
100N
100N
C38
L2
4.7U
C33
100N
180P
C21C20
180P
C19
180P180P
C18
4.7U
L1
5V0
L4
4.7U
1K
R4
C34
100N
C24
180P
C23
180P180P
C22
4.7U
L3
7
6
5
2
3 1
84
LTC485IS8
U5
L6
4.7U
1K
R5
C35
100N
180P
C29C28
180P
C27
180P180P
C26
4.7U
L5
5V0
0.125
0.0R30
R29 0.0
0.125
INT_SPKR1_2_M
1N
C6
SPKR1_2_P
SPKR_M
SPKR_P
390N
C2
R22 43.2K
20K
R18
10K
R8
390N
C5
1N
C9
1N
C11
10KR10
10K
R11
22U
L10
C15
1N1N
C14
10KR12
22U
L11
C17
1N1N
C16
10KR13
C39
1N
13V8_RADIO_TRUNK
ON_OFF_CONT_PNL
PTP_TXD_PNL
CH_TXD_P
CH_TXD_M
CH_RXD_M
CH_RXD_P
PTP_RXD_PNL
TX_AUDIO_M
SPKR_P
SPKR_M
PTT_M
TX_AUDIO_P
MIC_IN
AUDIO_BIAS_T
TX_AUDIO_M
TX_AUDIO_P
1
10
11
12
13
14
15
16
17
18
19
2
20
21
22
23
24
3
4
5
6
7
8
9
P1
104549-3
RADIO_DASH_TO_FROM
CH_TXD+
CH_RXD+
PTT_MIC_POS
5V0
PTP_TXD
PTP_RXD
ON_OFF_CONT
13V8_DC_RADIO
MIC_IN
SPKR1_2_P
INT_SPKR1_2_M
5V0
ON_OFF_CONT_PNL
ON_OFF_CONT
Figure A-4. INTERCONNECTION Module, Schematic Circuit Diagram
A-69/A-64