4. TROUBLE SHOOTING
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4.17 Speakerphone Trouble
TEST POINT
CIRCUIT DIAGRAM
R228
510
2012
NC
CRST
CHRDACREF
0
NC
NC
IBIAS
NC_R6
NC
0.01uF
NC
0.1uF
AD6537B
AD6535
CHGOSC
NC
1.2M
REFPWR
0
47n
C111
C109
22u
VBAT
1V8_VCORE
C110
22p
VBAT4
VBAT5
R4
P1
VCORE1
N1
VCORE2
T3
VMEM1
VMEM2
T2
T7
VBAT1
N2
VBAT1-1
C15
VBAT2
P2
VBAT2-1
G15
VBAT2-2
H15
VBAT3
R2
VBAT3-1
A3
VBAT3-2
B3
R5
R6
QN
A14
A15
QP
SPWR1
R10
SPWR2
T10
NC_R6
GND_NET2
F15
IN
A13
A12
IP
5
COM
GND
3
1
IN
NC
4
6
NO
2
VCC
U204
NLAST4599DFT2
2V8_VEXT
NA
R228
R226
0
NA
R230
C223
0.1u
REC_P
RADIO_SPK_R
REC_P
RADIO_SPK_R
SPK_RADIO_SEL
Содержание B2070
Страница 54: ... 53 4 TROUBLE SHOOTING 4 2 TX Trouble TEST POINT 13Mhz OSCILLATOR Mobile SW FEM TRANCEIVER LDO PAM ...
Страница 68: ... 67 4 TROUBLE SHOOTING TEST POINT 4 6 LCD Trouble ...
Страница 72: ... 71 4 TROUBLE SHOOTING TEST POINT 4 8 Speaker Trouble ...
Страница 79: ... 78 4 TROUBLE SHOOTING 4 11 KEY backlight Trouble TEST POINT ...
Страница 96: ...6 Press Start and Pover on the phone using JIG remote Power on Switch 1 5 DOWNLOAD AND CALIBRATION 95 ...
Страница 107: ... 106 8 PCB LAYOUT Figure 8 1 B2070 BOTTOM SIDE PCB LAYOUT ...
Страница 108: ... 107 8 PCB LAYOUT Figure 8 1 B2070 TOP SIDE PCB LAYOUT ...
Страница 109: ... 108 ...
Страница 117: ...10 STAND ALONE TEST 116 Figure 10 2 HW test setting Figure 10 3 Ramping profile ...
Страница 121: ... 120 ...
Страница 123: ... 122 ...