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902SH
[2] Test points
Main PWB
No.
Checker
Ref.
1
TP1002
2
O
TP1003
3
TP1004
4
TP1005
5
O
TP1006
6
O
TP1007
7
TP1008
8
TP1009
9
TP1010
10
TP1011
11
TP1012
12
O
TP1013
13
O
TP1014
14
TP1015
15
TP1016
16
TP1017
17
TP1018
18
TP1019
19
TP1020
20
O
TP1021
21
TP1022
22
TP1023
23
TP1024
24
O
TP1200
25
O
TP1201
26
O
TP1202
27
O
TP1203
28
TP1204
29
TP1205
30
O
TP1206
31
TP1207
32
O
TP1209
33
O
TP1210
34
O
TP1211
35
O
TP1212
36
O
TP1213
37
O
TP1215
38
O
TP1216
39
O
TP1217
40
O
TP1218
CONFIDENTIAL
φ
Name
BANDSEL_1
0.3
IC1000
VRTC15
1.2
IC1204
PCMDATA–B
0.3
IC1001,
IC1200
PCMDATA–A
0.3
IC1000
RTCCLK
1.2
IC1000
SYSCLK2
1.2
IC1000
M_LCD_I2CCLK
0.3
IC1000
SYSCLK0
1.2
IC1000
M_LCD_I2CDAT
0.3
IC1000
PCMCLK
0.3
IC1000
PCMSYN
0.3
IC1000
TP-IN
1.2
SYSCLK1
1.2
IC1000
UARTRX3
0.3
IC1001
UARTTX3
0.3
IC1000
UARTCTS3
0.3
IC1001
UARTRTS3
0.3
IC1000
KeyCK1
1.2
CN1000
KeyCK2
1.2
CN1000
VBT29
1.2
IC1002
RRESOUT2
0.3
IC1000
CLKREQ
0.3
IC1000
WP_N
1.2
IC1000
VBATT
1.2
CN1200
VBATT
1.5
CN1200
VBATT
1.5
CN1200
PRGDET
1.2
JK1600
VCHG
1.2
Q1212
CHPEG
1.2
IC1200
SERVICE_N
1.2
Q1205
BDATA
1.2
CN1200
GND
1.2
GND
GND
1.5
GND
VBATIB
1.2
CN1200,
IC1202
GND
1.5
GND
ONSWB_N
0.5
Q1204,
Q1215
BEARP
1.2
IC1200
BEARN
1.2
IC1200
PWRRST_N
1.2
IC1200
SIMVCC
1.2
IC1200
Output
Input
→
→
IC1000
→
IC1000
→
IC1001,
IC1200
→
IC1001,
IC1200,
IC1400
→
→
IC3000
→
IC1001
↔
IC3000
→
IC1001,
IC1200
→
IC1001,
IC1200
→
IC1000
→
IC1500,
IC1502,
IC1600
→
IC1000
→
IC1001
→
IC1000
→
IC1001
→
Key FPC
unit
→
Key FPC
unit
→
IC1001
→
IC1001
→
IC1001,
IC1200,
IC1400
→
IC1100
→
→
→
→
Q1204,
Q1205
→
Q1206
→
Q1200
→
IC1000
→
IC1200
→
→
→
→
→
IC1200
→
TP3055
→
TP3054
→
IC1000
→
CN1201
2 – 18
Function
Band switching
RTC 1.5 V power supply
PCM data
PCM data
32.768 kHz output
13MHz
I2C clock
13MHz
I2C data
PCM clock
PCM sync
Mandatory test mode
13MHz
Bluetooth UART Rx
Bluetooth UART Tx
Bluetooth UART CTS
Bluetooth UART RTS
Check for the key unit insertion
Check for the key unit insertion
Bluetooth IC power supply (2.9 V)
Bluetooth IC reset
CLK request signal
VPP
Handset (Phone) power supply
(battery terminal)
Handset (Phone) power supply
(battery terminal)
Handset (Phone) power supply
(battery terminal)
Action trigger (Insert the socket to
turn on the power.)
ONSWB_N
External supply power (at normal
voltage)
FET gate signal
Rewrite mode and log mode
Battery sense terminal
Earth
Earth
Handset (Phone) power supply
(BB)
Earth
Action trigger (Insert the socket to
turn on the power.)
Earpiece
Earpiece
Power reset signal
Power supply for USIM
Remarks
Back-up
Back-up
Back-up
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