8-4
Schematics, Board Overlays, and Parts Lists – VHF
: General Section
May 28, 2008
6871620L01-C
Figure 8-3. VHF Main Board Overall Schematic
Spring Contact
e
ci
v
e
D
cit
p
a
H
d
n
a
e
n
o
h
p
or
ci
M ,
r
e
k
a
e
p
S
,
y
al
p
si
D
DI
C ,
y
al
p
si
D
ni
a
M
o
T
d
a
p
y
e
K
d
n
a
e
c
ei
pr
a
E
sl
ort
n
o
C/
s
n
ott
u
B
oi
d
a
R
o
T
50ohm RF Jack
Testpoints
NU
NU
Antenna Leaf
Battery Contact
el
u
d
o
M
n
oit
p
yr
c
n
E ,
e
c
af
r
et
nI
E
C
o
T
NU
2
1
F901
24V
3A
J1-7
7
7
0
4
1
E
P
A
G
_
K
R
A
P
S
E1501
SPARK_GAP
1
2
R9909
10K
Q9903
18
P
A
G
_
K
R
A
P
S
2
1
4
1
E
2
1
R9912
0
J1-18
14
0
J2-12
12
1000pF
C1104
J2-14
R9918
28
J2-15
15
1000pF
DISP_V1.875
J2-28
RAWB+
J3-13
13
C56
J2-2
2
J1-6
6
22K
R9911
J2-8
8
J2-13
13
U9907
SPARK_GAP
1
2
5
1000pF
C9901
SPARK_GAP
E1502
1
2
J2-5
46
CLIP
M1704
GND
1
1
NC
J1-46
1K
R9908
1K
5V_Misc
R9905
XTX_SSFS
J1-55
55
C21
2.2pF
XLOCK
X1
XRF_AD_CS*
XRF_BAT_STAT
XRF_MISOA
XRF_MOSIA
XRF_POR*
XRF_SCKA
XRF_TX_INHIBIT
XRF_VSW1
XRX_DATA
XSSI_CLK
XSSI_FSYNC
XSWB+2
XTX_DATA
XTX_SSCK
UC_KP_ROW1
UC_KP_ROW2
UC_KP_ROW3
UC_KP_ROW4
UC_KP_ROW5
UC_KP_ROW6
UC_KP_ROW7
UC_MONITOR
UC_RESET_ENC
UC_TX_INHIBIT
UC_UCM_SS
UC_WAKEUP
X16.8MHz
XABACUS3_CS*
XFN_PC_SEL*
XIFGND1
UC_ENC_SSI_CLK
UC_ENC_SSI_DI
UC_ENC_SSI_DO
UC_INT_MIC
UC_INT_PTT
UC_I
UC_INT_SPKR-
UC_KEYFAIL_LH_BDMDATA
UC_KP_5V1
UC_KP_5V2
UC_KP_BL_EN
UC_KP_COLUMN0
UC_KP_COLUMN1
UC_KP_COLUMN2
UC_KP_ONOFF
UC_KP_ROW0
DISP_BRIGHT2
DISP_CS_SUB
DISP_DATA(15:0)
DISP_ID
DISP_MAIN_EN
DISP_REG_SEL_A0
DISP_REG_SEL_A1
DISP_RESET
DISP_R_W
DISP_V1.875
DISP_V2.9
E
EXT_SPKR-
FLIP_SENSE
UC_BOOT_ENC
UC_EMERG
E
AUDIO_SW
AUD_JACK_INT
AUD_JACK_MIC
AUD_JACK_PTT
CE_CTS
CE_LHDATA_KEYFAIL
_VPP
CE_OPT_SEL1
CE_OPT_SEL2
CE_RS232DIN_USB-
CE_RS232D
CE_RTS
CE_SB9600_BUSY
DISP_BRIGHT1
C4
2
J3-5
5
.01uF
J1-33
33
5
0
4
1
E
P
A
G
_
K
R
A
P
S
1
J3-9
9
14
6
2
E1444
SPARK_GAP
1
2
J2-20
20
SPARK_GAP
E1445
1
FU_B+
J1-26
26
J1-52
52
L20
52.29nH
J3-16
16
J3-11
11
9
1
4
1
E
P
A
G
_
K
R
A
P
S
1
2
J3-1
1
J1-36
36
2
1
J2-16
16
P
A
G
_
K
R
A
P
S
6
0
4
1
E
6
1
4
1
E
P
A
G
_
K
R
A
P
S
1
2
C54
1000pF
10uF
1
J1-1
1
C24
J1-38
38
CI
M
_
T
X
E
1
2
J3-14
14
R9903
SPARK_GAP
U9908
25
5V_Misc
J2-26
26
NC
J1-25
C55
11
6.8V
VR4
1
2
1000pF
P
A
G
_
K
R
A
P
S
4
0
4
1
E
2
1
SPARK_GAP
E1443
43
NC
T
U
O
D
2
3
2
S
R
1
29
J1-30
30
J1-43
E1442
SPARK_GAP
1
2
J1-29
2
J1-37
37
NC
3
SPARK_GAP
E1507
1
49
R9902
1K
1
2
J1-48
48
J1-49
J1-19
19
FU_B+
U9917
SPARK_GAP
R9998
100
J2-21
21
J1-20
20
0
R9999
LI
A
F
Y
E
K
_
A
T
A
D
H
L
1
J1-45
45
S
T
R
1
NC
18
J2-22
22
30
9
0
4
1
E
P
A
G
_
K
R
A
P
S
2
1
J2-18
58
J2-7
7
J2-30
Q9902
J1-58
1000pF
C71
J2-25
25
NC
1K
R9919
VR3
8
27K
R9910
V_VIBE
J2-6
6
J3-8
J1-17
17
5
NC
SW_B+
C22
J2-29
29
J1-32
32
15pF
J1-50
50
2
DISP_BRIGHT1
CE_SPKRCOM
2
_
L
E
S
T
P
O
1
SPARK_GAP
1
2
C53
1000pF
7
J1-12
12
E1503
10
J1-5
5
J1-51
51
J1-8
8
J1-10
1
J2-4
4
J1-60
60
NC
D
N
G
J3-3
3
910pF
C9966
2
3
0
4
1
E
P
A
G
_
K
R
A
P
S
2
1
24
P
A
G
_
K
R
A
P
S
8
0
4
1
E
1
13
J1-9
9
J2-24
R9904
J1-13
2
J1-23
23
13
1K
J1-59
59
1
1
4
1
E
P
A
G
_
K
R
A
P
S
1
22
8
J1-3
3
9
J1-47
47
J1-22
10
J2-9
J2-23
23
Q9901
C6
J3-15
15
J2-17
17
1000pF
C1102
1000pF
POS
J1-31
31
NC
EAR+
CONTACT
M1705
2
DATA
3
NEG
1
J2-3
3
J3-6
6
1
SPARK_GAP
E1417
1
2
RXFS
SPCK
TXCK
TXFS
TXINH
TXTD
USEL
VSW1
X
S
T
C
NI
D
2
3
2
S
R
1
ABCS
ANT
F168
FUB+
LOCK
MOSI
RAWB+
RSTL
RXCK
RXDO
J3-10
10
EXT_SPKR-
R9917
1K
21
FU_B+
J1-35
35
150K
J1-21
R9915
28
J1-44
44
2.4V
VR9901
J1-16
16
4
J1-28
68
R9907
1000pF
RAWB+
SPARK_GAP
E1500
1
2
C72
1000pF
C73
C
3
1
G
2
2
G
4
J2-10
10
C52
J1704
A
1
1
2
AUD_JACK_SPK_out
1000pF
27
NC
9
DISP_BRIGHT2
P
A
G
_
K
R
A
P
S
5
1
4
1
E
J1-40
40
EAR-
J2-27
P
P
V
_
+
B
T
P
O
1
DISP_BRIGHT1
J1-41
41
J2-19
19
DISP_BRIGHT2
J1-14
14
15
VSW1
J3-4
4
J3-7
7
J1-4
4
J2-11
11
1
E1504
SPARK_GAP
1
2
J2-1
J3-12
12
VR51
J1-57
57
C20
10uF
11
NC
J1-34
34
1000pF
C57
J1-11
J1-2
2
R9906
30
1
2
R9916
1
2
P
A
G
_
K
R
A
P
S
4
1
4
1
E
J1-15
15
12
SPARK_GAP
U9916
2
J1-42
42
P
A
G
_
K
R
A
P
S
0
1
4
1
E
1
J1-53
53
0
R9901
2
FU_B+
3
1
4
1
E
P
A
G
_
K
R
A
P
S
2
1
1
2
E1506
SPARK_GAP
1
1000pF
SPARK_GAP
E1505
68K
C9970
54
J3-2
2
R9914
27
J1-56
56
J1-54
J1-24
24
J1-27
R9913
91K
AUDIO_SW
J1-39
39
DISP_DATA(15:0)
F168
SCKA
RSTL
MOSIA
BS
LOCK
USEL
ABCS
TXFS
TXCK
TXTD
SWB+
RXFS
RXCK
RXDO
VSW1
DISPLAY
AUDIO
CE
KEYPAD
UCM
AUDIO
JACK
VOCON
XCVR
XCVR
TOP/VOLUME
CONTROL
Summary of Contents for ASTRO XTSTM 4000
Page 1: ...COLOR CHORDS 7 ASTRO XTSTM 4000 Portable Radio Detailed Service Manual ...
Page 2: ......
Page 16: ...May 28 2008 6871620L01 C xiv Commercial Warranty Notes ...
Page 22: ...May 28 2008 6871620L01 C 1 6 Introduction Notes ...
Page 26: ...May 28 2008 6871620L01 C 2 4 Radio Power Notes ...
Page 56: ...May 28 2008 6871620L01 C 3 30 Theory of Operation Notes ...
Page 100: ...May 28 2008 6871620L01 C 6 8 Troubleshooting Waveforms Notes ...
Page 194: ...May 28 2008 6871620L01 C B 2 Motorola Service Centers Notes ...
Page 204: ...May 28 2008 6871620L01 C Glossary 10 Glossary Notes ...
Page 209: ......