PG-1810 Service Manual
PANTECH R&D CONFIDENTIAL
48
6.7.2 Power Supply Check Point _ TEST CONDITION 1
1.
Check to see U302.3 and 5 pin’s Voltage are 2.8V : CP 146
NO Check to see U201 and U302 cold solder,broken,short to the other PCB pattern or not
If you find out any defect, you replace it
2. Check to see U307.1 pin’s Voltage is around 0.5 ~ 1.5V and U307.4 pin Voltage is 2.75V : CP 147
NO Check to see U202 cold solder,broken,short to the other PCB pattern or not
If you find out any defect, you replace it
3. Check to see U307.3 pin’s output Clock (26MHz) : CP148
NO Check to see U307 cold solder, broken,short to the other PCB pattern or not
If you find out any defect, you replace it
4. Check to see C325, C331 and C332 and U306.11, 12, 13, 28, 29 pin’s Voltage are 2.8V : CP149
NO Check to see U302, C325, C331 and C332 cold solder, broken,short to the other PCB
pattern or
Not.
If you find out any defect, you replace it
5. Check to see CC301 and U303.2, 6, 17 pin’s Voltage are 3.5V ~ 4.2V : CP150
NO Check to see CC301 and U303 cold solder, broken,short to the other PCB pattern or not
If you find out any defect, you replace it
CP146
Summary of Contents for PG-1810
Page 9: ...PG 1810 Service Manual PANTECH R D CONFIDENTIAL 8 3 4 BLUETOOTH MODULE...
Page 43: ...PG 1810 Service Manual PANTECH R D CONFIDENTIAL 42 CP137 CP138 CP136...
Page 45: ...PG 1810 Service Manual PANTECH R D CONFIDENTIAL 44 CP140 CP139 CP141...
Page 47: ...PG 1810 Service Manual PANTECH R D CONFIDENTIAL 46 CP145...
Page 50: ...PG 1810 Service Manual PANTECH R D CONFIDENTIAL 49 CP147 CP148 CP149...
Page 51: ...PG 1810 Service Manual PANTECH R D CONFIDENTIAL 50 CP150...
