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Page 4
lunedµ 20 dicembre 1999
- MOTOROLA CONFIDENTIAL PROPRIETARY -
Dual band Taishan level 3 debug rev 1.0
Does "
GCAP_CLK
13MHz " is
present on TP
823 or C825 ?
Check following voltages before
replacing U800:
2,8V=VDSS on R813
2,8V= VCC_MEMIF on R819
2V=VDD on R823
2V = VCCA on R825
Check for 13 MHz frequency
presence on CR248 , if not ok
check any components surround
it for missing , dry joint or faulty
; check also V1_SW = 5 V
presence on R234 ( it comes
from Q913 ) .
If all is ok probably U200 faulty.
" 2 "
NO
POWER
UP
Does " MAGIC 13
MHz " clock is
present on TP 200
or C817 ?
NO
Is reset voltage
at 2,7 V present
on C820 ?
Is CE0 ,flash ic chip
enable present on TP
824 ?
Is CE2 , ram ic
chip select
present on TP
825 and CE3 on
TP 826 ?
REPLACE
U900
Check for V2 =
2,8 V presence on
C700 , C703 ,if
they are ok replace
U701
Check for U702
power supplies
SR_VCC on C701 ,
R722, if not ok
replace U900 , else
replace U701.
YES
NO
YES
NO
YES
NO
YES
NO
HTC
YES
Содержание T189
Страница 1: ...Level 1 and 2 Service Manual V1 0 ...
Страница 5: ...Antenna Lens Keypad Speaker Ports Vol Up Down Fig 2 1 Mechanical pictorial Overview Headset Connector ...
Страница 6: ...Antenna Auxiliary RF Test Port SIM Slot Batt Contacts Screw Locations ...
Страница 7: ...Antenna Headset Adapter Volume Buttons Antenna Battery Cover ...
Страница 9: ...SECTION 3 FEATURE LIST ...
Страница 12: ...Set Alarm One Time Daily Weekly Mon Fri Mon Sat Show Alarm Disable Alarm Edit Alarm Go To Next Alarm ...
Страница 13: ......
Страница 17: ......
Страница 18: ......
Страница 19: ...SECTION 4 DISASSEMBLY PARTS ...
Страница 24: ...4 5 Exploded Parts Diagram 1 2 3 4 5 6 7 8 ...
Страница 25: ...9 10 11 12 13 14 15 ...
Страница 31: ...SECTION 6 REPAIR AND TEST PROCEDURES ...
Страница 38: ...SECTION 8 SALES MODELS TBD ...
Страница 39: ...SECTION 9 GLOSSARY OF TERMS ...
Страница 45: ...1 Tai Tai Shan Shan DUAL BAND DUAL BAND ...
Страница 46: ...2 Tai Tai Shan Shan DUAL BAND DUAL BAND ...
Страница 54: ...10 Tai Tai Shan Shan 5 Lift off back housing 6 Prise off alert from back housing DISASSEMBLY DISASSEMBLY ...
Страница 55: ...11 Tai Tai Shan Shan 8 Lift PCB out of front housing 7 Unscrew Antenna and remove DISASSEMBLY DISASSEMBLY ...
Страница 58: ...14 Tai Tai Shan Shan 12 Lift hinge from ZIF connector and remove carefully flex print DISASSEMBLY DISASSEMBLY ...
Страница 59: ...15 Tai Tai Shan Shan 14 top side 13 bottom side DISASSEMBLY DISASSEMBLY ...
Страница 87: ...Taishan Board Layout Draft 2000 12 12 ...