Schematics, Board Overlays, and Parts Lists – VHF
: VOCON Section
8-15
6871620L01-C
May 28, 2008
Figure 8-14. VOCON: DC Power, Clocks and ON/OFF Circuit
MAKO ANALOG CORE (3V)
ON/OFF Circuitry
(2.2V NOT USED)
V_2.775 (NOT USED)
USB INTERNAL
Place close to Driver
NOT USED
MAKO Underfilm
V7_LDO (NOT USED)
(Not Used)
Placed for evaluation
NU
VSW2
C
N
R1304
2MEG
C1301
470pF
C1319
1.0uF
MAKO_INT
1
C
N
5V_Misc
L1304
560nH
TEST_POINT
1.0uF
C1345
SW_B+
5V_Misc
R1317
0.1
0.10uF
C9952
C1340
10uF
10pF
Y1301
CC4V
32.768KHz
2
1
C1303
3
GND
5
VCC
5V_Misc
NC
GPIO
U9918-2
PWR_GND
OUT
1
IN
R1307
47K
NC
24.576MHz
XTAL
Y1302
2
D
N
G
4
1
D
N
G
3
C1315
.01uF
R1371
V1.55
V2
NC
C
N
100K
V2
V1.875
2.2uF
C1312
LMC6035ITLX
U1303-2
A2
A3
A1
B1
B3
ON_OFF
R9926
1K
C1342
10uF
560nH
NC
C1317
L1302
R9922
1K
33pF
1.0uF
VSW1
C1323
R1310
47K
C9951
0.10uF
ON_OFF_det
C1325
.01uF
10K
V2_FIL
Q9904
C
N
R1303
1.0uF
C1335
F11
VBUS_SUPPLY
B13
C2
VSAVE
A13
XIN
A12
XOUT
C1
XTAL32_IN
B1
XTAL32_OUT
L9
V10_I
J10
V10_O
M6
VBUS1
H10
VBUS1_CMD
C14
VBUS1_SENS
E12
VBUS2
D12
VBUS2_CMD
C13
VBUS2_SENS
N4
V03_O
P4
V04_O
N5
V06_O
P3
V07_O
P6
V08_I
K3
V08_O
K4
V09_O
L1
V10_GND
E13
SW5_VDD
D13
SW5_VDDHV
F13
SW5_VOUT
F12
SW5_VSENSE
E14
B3
SW_TYPE
TCXO_IN
M1
D4
TCXO_SEL_16_24
V02_O
J11
SW1_VSEN_BUK
H11
SW2_GND
L14
SW2_LX
J14
SW2_VCC
J12
SW2_VCCS
K14
SW2_VOUT
J13
SW5_PHASE
G11
SW5_SUMCOMP
RESETX
SW1_DH
H13
SW1_GND
H14
SW1_PHASE
F14
SW1_SUMCOMP_DL
G14
SW1_VDD
G13
SW1_VDDHV
G12
SW1_VOUT
H12
SW1_VSEN_BST
4
1
A
3
C
N
1
P
4
C
N
4
1
P
5
M
5
C
N
6
C
N
4
1
B
PGLDO2
C3
PGLDO3
A2
D3
REG_3V6
C5
4
1
D
8
D
N
G
5
H
9
D
N
G
9
D
G4
HV_BG
B4
IGN_X
D5
INT_X
E4
MECH_SW
1
C
N
1
A
2
C
N
FET_ENX
F5
GATED_32K_CLK
1
D
N
G
5
P
2
D
N
G
7
M
3
D
N
G
4
J
4
D
N
G
5
G
5
D
N
G
9
K
6
D
N
G
4
L
7
D
N
G
D2
BAT_3V6
D1
BAT_7V5
F3
BAT_RTC
B2
BAT_TYPE
F4
EMERG_PB
E2
U1304-1
PWR_MNGR_BLOCK
Q1301
Q
5
3
Q*
C
C
V
8
100
R1314
U9903
NL17SZ74
CLR
6
1
CP
D
2
D
N
G
4
PR
7
C1302
0.10uF
NC
R1321
R1308
56K
0.1
INB
1
OUTY
4
C
C
V
5
10K
R9924
U9902
TC7S08FU
D
N
G
3
INA
2
1.0uF
C1321
NC
C
N
MECH_SW
NC
NC
0
R1315
1.0uF
CKIH_VOCON
.01uF
C1338
.01uF
C1329
33pF
C1318
0.10uF
C1316
560nH
C9980
100
NC
L1308
1000pF
R1318
S2C
SYNC_EN
D
D
V
V2
MAKO_32KHZ
C1337
D2C
D2D
D
N
G
IN
S1A
S1B
S2A
S2B
Q1304
CBOOT
D1A
D1B
D2A
D2B
2.2uF
C1320
C1308
2.2uF
1000pF
C1309
V2
0.10uF
C9950
0
0.10uF
R1370
C1304
1
PIN1
2
PIN2
R1301
1K
PIN2
2
NC
NC
1188983Y01
M1010
M1009
1188983Y01
PIN1
1
R9925
10K
C1327
.01uF
SW_B+
VSAVE
Q1302
VCC5
VR1206
6.8V
L1301
560nH
C1310
.01uF
L1306
C1326
1.0uF
1.0uF
C1324
22uH
0.10uF
2
NC
NC
5V_Misc
C9953
SPARK_GAP
E1418
1
NC
R1305
2MEG
1188983Y01
M1012
1
PIN1
2
PIN2
NC
M1011
1188983Y01
PIN1
1
PIN2
2
NC
NC
330pF
NC
NC
2.2uF
C1307
C1314
3
D
N
G
2
1
NC
4
5
C
C
V
MC74HC1GU04D
U9901
Patriot_ONOFF
R1309
0
NC
560nH
L1307
0.10uF
C9969
0
R1320
R1302
10uF
C1343
VSW1
0.10uF
C9954
0.1uF
C1341
NC
L1305
22uH
U9918-1
NC7SZ32
1
2
4
0
R9960
5.6pF
C1305
C1331
.01uF
Q9905
NC
47K
R9920
R1
R2
Q9906
SW_B+
V2
C1333
47uF
0
R1319
MECH_SW_b
R9923
10K
NC
VSAVE
560nH
L1303
C1336
0.1uF
R9921
47K
R1306
47K
330pF
C
N
C1313
C3
C1
B1
B3
5V_Misc
C1306
5.6pF
NC
LMC6035ITLX
U1302-1
C2
NC
W
S
_
H
C
E
M
1
NC
C1339
.01uF
D1301
R9927
30K
2.2uF
5V_Misc
MECH_SW
C1328
R1311
0
47uF
C1332
C
C
V
C1322
1.0uF
NC7SB3157
A
4
B0
3
1
B1
D
N
G
2
SEL
6
5
2.2uF
C1330
U1301
MECH_SW
DC_I4N
DC_I4N
GATED_32_KHZ
32K_SEL
MAKO_32KHZ
DC_I2
CLK
DC_I0
DC_I0
DC_I2
DC_I2
VPP_EN
POR
SW_B+
MAKO_32KHZ
DC_I5
VSW1
DC_I0
DC_I0
DC_I2
DC_I2
ANALOG
32_KHZ
DIGITAL
MAKO_INT*
MAKO_RESET
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: ......