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Service Manual
(VIO_2V8) -- R134, R28, R24, R196, R33 shall be 2.8V.
(VRTC_1V5) -- Pin#2 of C134, R30 shall be 1.5V.
(VCORE_1V6) -- R27, pin#1 of C59 shall be 1.6V.
(VMEM_1V8) -- R29, R55, R191 shall be 1V8.
(VCAM_2V85) -- R5, pin#1 of C163 shall 2.85V
(VBAT) -- R137, R54, pin1# of C161 shall be 4V
Signals related with power on sequence.
Following wave is shown the timing after “power supply is turned on”
Summary of Contents for P526
Page 1: ...GTC Service Manual P526 Repair Lv3 4 SOP Version 1 1 2008 1 10 ...
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Page 6: ...GTC Service Manual 3 Introduction 3 1 Block diagram ...
Page 7: ...GTC Service Manual 3 2 Main components and placement Top Side Bottom Side ...
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Page 32: ...GTC Service Manual 5 8 LCD Needed Equipments A Power supply set to 4V 2A B Oscilloscope ...
Page 43: ...GTC Service Manual PA GSM and Edge Power Amplifier part ...
Page 44: ...GTC Service Manual Transceiver part E syren signal from base band ...
Page 46: ...GTC Service Manual Front End RF switch GSM antenna Pad ...
Page 47: ...GTC Service Manual PA Component displacement plot 1 ...
Page 51: ...GTC Service Manual 8960 Select the item ...
Page 52: ...GTC Service Manual EGSM band select If the PCS band measurement choose the PCS band ...
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Page 56: ...GTC Service Manual 8820 If PCS band measurement choose GSM PCS1900 ...
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Page 72: ...GTC Service Manual 8960 Rx test setup ...
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Page 86: ...GTC Service Manual 14 Test points 14 1GPS Active Path ...
Page 87: ...GTC Service Manual 14 2 Passive Path ...
Page 88: ...GTC Service Manual 14 3 SiRF StarIII 4 Power part test points ...
Page 89: ...GTC Service Manual 14 4 GPS Power part Testing signal from baseband ...
Page 90: ...GTC Service Manual 15 Component displacement GPS Antenna Testing signal from baseband ...
Page 91: ...GTC Service Manual GPS Function Block ...
Page 93: ...GTC Service Manual GPS Function Block Test point displacement plot 3 ...
Page 98: ...GTC Service Manual 18 Measurement results of all test points Test point T305 Test point T306 ...
Page 99: ...GTC Service Manual Test point C401 Test point C406 ...
Page 101: ...GTC Service Manual 21 2 Components placement Figure of P526 board ...
Page 104: ...GTC Service Manual 4 Now the device is under BT test mode Step 4 3 Measured Graph ...
Page 105: ...GTC Service Manual 4 RF Board level examination procedure Flow Chart ...
Page 107: ...GTC Service Manual 1 choose OK 1 choose Connect 1 choose Done 4800 or 57600 ...
Page 108: ...GTC Service Manual SiRFDemoPPC plantface 1 choose Signal GPS signal receiving ...
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Page 111: ...GTC Service Manual Appendix B GPS firmware download 1 choose Pegasus_DGPS exe 1 choose Browse ...
Page 113: ...GTC Service Manual The re download is finished Mobile re boot A ...