4.16 CAMERA Trouble
SETTING : Connect PIF, and set remote switch ON at PIF
Checking Flow
START
Go to the LCD trouble
Check the voltage
Of Pin3 of Q500
is 2.85V
Does the LCD itself
has No trouble?
Set the camera
button ON
Is the
Connection of FPCB
with CN501 connector
on PCB OK?
Yes
Yes
Yes
No
Check the voltage
of Pin1 of Q500
is 0V
Change the
main board
Check the voltage
of Pin2 of Q500
is 2.85V
Check the
voltage of Pin6 of
U500 is
2.8V
Resolder
R535
Check the
voltage of Pin2 of
U500 is
>3.35V
Charge or
Change
battery
Yes
No
No
No
①
- 106 -
4. TROUBLE SHOOTING
Summary of Contents for G7100
Page 20: ...Figure 3 4 Power Amplifier Block Diagram 22 3 TECHNICAL BRIEF ...
Page 28: ...3 8 Analog Main Processor AD6521 Figure 3 9 AD6521 30 3 TECHNICAL BRIEF ...
Page 31: ...Figure 3 10a Voice band circuit Diagram 33 3 TECHNICAL BRIEF ...
Page 32: ...Figure 3 10b Voice band circuit Diagram 34 3 TECHNICAL BRIEF ...
Page 33: ...Figure 3 10c Voice band circuit Diagram 35 3 TECHNICAL BRIEF ...
Page 39: ...Figure 3 13 Keypad Switches and Scanning 41 3 TECHNICAL BRIEF ...
Page 42: ...Figure 3 16a Hands free Headset Jack Interface 44 3 TECHNICAL BRIEF ...
Page 43: ...Figure 3 16b Hands free Headset Jack Interface 45 3 TECHNICAL BRIEF ...
Page 49: ...Figure 3 21a CLC344E 51 3 TECHNICAL BRIEF ...
Page 50: ...Figure 3 21b Sensor connection 52 3 TECHNICAL BRIEF ...
Page 70: ...Figure 4 12 Test Points 72 4 TROUBLE SHOOTING ...
Page 79: ...Test Points Receiver part Circuit Diagram Figure 4 16 81 PIN 35 33 4 TROUBLE SHOOTING ...
Page 83: ...Figure 4 18 Test Points 85 R112 R111 R113 R115 C121 C145 C147 4 TROUBLE SHOOTING ...
Page 84: ...MIC part Circuit Diagram VINNORP VINNORN 86 4 TROUBLE SHOOTING ...
Page 92: ...Figure 4 22 Test Points SIM part Circuit Diagram 94 J100 4 TROUBLE SHOOTING ...
Page 96: ...Earphone part Circuit Diagram 98 4 TROUBLE SHOOTING ...
Page 101: ...HFK part Circuit Diagram 103 4 TROUBLE SHOOTING ...
Page 102: ... 104 4 TROUBLE SHOOTING ...
Page 103: ...Figure 4 24a Test Points Figure 4 24b CN300 105 U400 U401 CN300 4 TROUBLE SHOOTING ...
Page 106: ...Camera part Circuit Diagram 108 4 TROUBLE SHOOTING ...
Page 108: ...5 DISASSEMBLY INSTRUCTION 5 1 Disassembly 5 DISASSEMBLY INSTRUCTION 110 ...
Page 109: ...5 DISASSEMBLY INSTRUCTION 111 ...
Page 110: ...5 DISASSEMBLY INSTRUCTION 112 ...
Page 111: ...5 DISASSEMBLY INSTRUCTION 113 ...
Page 112: ...5 DISASSEMBLY INSTRUCTION 114 ...
Page 113: ...5 DISASSEMBLY INSTRUCTION 115 ...
Page 114: ...5 DISASSEMBLY INSTRUCTION 116 ...
Page 115: ...5 DISASSEMBLY INSTRUCTION 117 ...
Page 133: ... 135 9 PCB LAYOUT ...
Page 134: ... 136 9 PCB LAYOUT ...
Page 143: ...Figure 11 2 HW test setting Figure 11 3 Ramping profile 11 STAND ALONE TEST 145 ...
Page 147: ... 149 13 EXPLODED VIEW REPLACEMENT PART LIST 13 1 Exploded View ...