A
No
Headset
Headset
0V 2.75V
0.00V
4.89V
4.82V
3.08V
2.77V
3.08V
2.77V
1.60V
2.76V
2.76V
2.76V
0.10V
17
14
15
16
18
19
20
21
22
23
13
24
C635
R609
R621
R607
R662
R664
C660
R652
R651
Q610
C662
C650
U601
C645
CR670
ON OFFSB
MOB SENSB
2.75DRV
Q635
Q620
BATT +_SENSE
B+_SENSE
CLOCK
C607
BM MIC
2.75OUT
EXT OUT
EXT IN
R665
Q636
SPKR OUT
SPEAKER OUT+
SPEAKER OUT-
AUDIO CNTL
C671
ON OFF
Q632-4
CH OUT
BATT MON
CHARGER DAC
HEADSET EN
BATT+ SENSE
B+ SENSE
C605
EXT B+
REF 2.75V
LOGIC 2.75V
HC11-VRH
RESET
ON OFF-SENSE
WATCHDOG
3-SEC
BOOST B+
B +
REF 4.75
C663
U520-10
BOOM SPKR
23
4
5678
9
10
11
12
1
NC
1.04V
0.02V
1.60V
1.60V
1.60V
2.77V
3.70V
1.60V
1.60V
0.02V
C652
AUDIO_OUT
J3-14
R663
160 KHZ CLK
Q636
B+
R674
R631
C622
J600-3
40
19
J800
Q681
Q680
40
19
J800
U800-30
R1042
B_I_SNS
B_DRV
Q635
21
J800
U700-22
PCPUMP
NCPUMP
27
J800
U700-43
J3-9
1
5
J800
U800-69
BATT PWR SNS
EXT OUT
31
J800
U700-44
R1012
CH_I_SNS
CR631
22
J800
18
U800-21
U800-26
REF4.75 DRV
Q630
R620
L2.75 DRV
REF2.75 DRV
9
J800
U700-55
7
CR942
J1-6
J1-7
1.5V
2.75V
1.60V
1.59V
1.9V
3.73V
2.72V
2.76V
1.57V
0.00V
0.03V
43
44
45
46
47
42
41
40
39
38
48
37
2.9V
1.04V
5.55V
1.39V
5.19V
2.47V
4.06V
5.6V
0.02V
4.38V
0.96V
0.14V
302927 3425 26 28 31 32 33 35
36
A
B
page B-24
page B-24
page B-15
page B-18
page B-12
page B-12
page B-12
page B-19
page B-19
page B-15
page B-9
page B-15
page B-13
page B-18
page B-16
page B-16
page B-19
page B-19
page B-12
page B-12
page B-18
page B-12
page B-12
page B-18
page B-24
page B-15
page B-15
page B-19
page B-12
Motorola Confidential Proprietary
This manual is Motorola property. Copying or
distribution strictly prohibited without prior written
consent from Motorola and must be returned upon
Motorola's request.
VOLTAGE SUPPLIES
Colored boxes represent the area in
which the components are placed.
RX SIGNAL
J800
U601
StarTAC 3000: Pacer IC U601
B
External
Supply
Battery
Supply
.5V 2.7V
B-11
R990
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