Barracuda PDA Maintenance
137
Symptom:
Switch Board Function is not working property when pressing the button.
8.8 Switch Board Function Failure
U3
Intel StrongARM®
SA1110
Microprocessor
P4
MODEM/AUDIO
UCB1300
U42
UCB1300BE
UCB1300BE
UCB_IRQ
43
IRQOUT
5
37
18
7
26
VSSD1
VSSD2
VSSA1
VSSA2
VSSA3
VREF_1.25V
16
VREFBYP
C177
0.1U
P11
SFRM_C
39
SIBSYNC
RXD_C
40
SIBDOUT
SCLK_C
41
SIBCLK
TXD_C
42
SIBDIN
J19
KEY_PRESS#
VCC3
BUTTON_DET
BT_TASKS#
BT_MEMO_PAD#
R396
4.02K/1%
0.1%
R395
0
0.1%
R388
10K/1%
0.1%
BT_CALENDAR#
BT_CONTACTS#
VCC3
BUTTON_DET1
R387
10K/1%
0.1%
R392
0
0.1%
R393
4.02K/1%
0.1%
J1
VCC_3VSB
R400
100K
SW4
KEY8
C120
0.1U
16V
SW5
KEY8
C121
0.1U
16V
D19
1
2
3
D18
1
2
3
D20
1
2
3
D26
1
2
3
SW6
KEY8
C122
0.1U
16V
SW7
KEY8
C123
0.1U
16V
P4
P16
D37
1
2
3
SW9
KEY8
C125
0.1U
16V
D36
1
2
3
SW8
KEY8
C124
0.1U
16V
BT_FOURWAY_R#
BT_FOURWAY_L#
R394
20K
0.1%
R397
20K
0.1%
SW2
KEY8
C118
0.1U
16V
SW3
KEY8
C119
0.1U
16V
BT_FOURWAY_UP#
BT_FOURWAY_DOWN#
VCC3
R398
100K
VCC3
R399
100K
Содержание Barracuda
Страница 5: ...Barracuda PDA Maintenance 4 Block Diagram ...
Страница 6: ...Barracuda PDA Maintenance 5 Power Block Diagram ...
Страница 18: ...Barracuda PDA Maintenance 17 Typical Audio Amplifier Application Circuit ...
Страница 24: ...Barracuda PDA Maintenance 23 Block diagram of the 10 bit ADC circuit ...
Страница 26: ...Barracuda PDA Maintenance 25 BLOCK DIAGRAM ...
Страница 28: ...Barracuda PDA Maintenance 27 Block Diagram ...
Страница 30: ...Barracuda PDA Maintenance 29 GENERAL SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ...
Страница 33: ...Barracuda PDA Maintenance 32 ...
Страница 42: ...Barracuda PDA Maintenance 41 ...
Страница 43: ...Barracuda PDA Maintenance 42 ...
Страница 45: ...Barracuda PDA Maintenance 44 FUNCTIONAL BLOCK DIAGRAM ...
Страница 46: ...Barracuda PDA Maintenance 45 1 3 1 2 Strata Flash ROM 1 3 1 2 1 Intel Strata Flash 128M bit Memory Features ...
Страница 47: ...Barracuda PDA Maintenance 46 Strata Flash Memory Block Diagram ...
Страница 54: ...Barracuda PDA Maintenance 53 DS2760 Block Diagram ...
Страница 151: ......
Страница 152: ......