MOTOROLA CONFIDENTIAL - PROPRIETARY
44
November 20, 2000
6881036B20
Troubleshooting
Product Family 38C
000787-O
Figure 28. No Audio
Place UUT into manual test
mode, then enter 481000#
(generate 1 KHz tone), 430#
(change audio path), 4707#
(set audio volume)
START
1 KHz tone (approximately
0.5V P-P) is present on
headset terminal?
Check
J504
,
C511
,
C951
,
C952
, and
R961
See Note 1
1. Remove headset.
2. 2.7V is present on
R977
?
Check
J504
See Note 1
Check
U900
See Note 1
1. Connect headset.
2. Voltage on
R977
is
now approximately
0.5V?
Check
R976
,
CR901
See Note 1
NO
NO
YES
YES
NO
YES
Note 1: Check components for correct
orientation, cold solder joints, physical
damage, and functionallity.
Содержание 38C V100
Страница 1: ...Level 3 Service Manual Model V100 GSM Technology Product Family 38C Personal Communicator ...
Страница 2: ......
Страница 4: ...MOTOROLA CONFIDENTIAL PROPRIETARY ii November 20 2000 6881036B20 Table of Contents Product Family 38C ...
Страница 26: ...MOTOROLA CONFIDENTIAL PROPRIETARY 22 November 20 2000 6881036B20 Circuit Description Product Family 38C ...
Страница 66: ...MOTOROLA CONFIDENTIAL PROPRIETARY 62 November 20 2000 6881036B20 Part Number Charts Product Family 38C ...
Страница 73: ...V100 BOARD LAYOUT PAGE 1 2 ...
Страница 74: ...V100 BOARD LAYOUT PAGE 2 2 ...
Страница 77: ...V100 CONNECTOR SCHEMATICS ...
Страница 78: ...V100 DISPLAY SCHEMATICS ...
Страница 79: ...V100 FM SCHEMATICS ...
Страница 81: ......
Страница 83: ......