4.2.5 Checking SAW Filter Circuit
Checking Flow
Pin1 : ~ -61dBm
Pin3 : ~ -61dBm
Yes
Saw Filter is OK
See Next page to check Rx
IQ Signal
Changing L604 for GSM
Changing L601 for DCS
Check RF Level of Saw
Filter Input
For GSM : FL601.1
For DCS : FL601.3
Yes
For these 2 test case,
RX Stand alone mode
is needed
No
No
Check the parts are
well soldered
for GSM : L604
for DCS : L601
Pin 7 : ~ -64dBm
Pin 5 : ~ -65dBm
Check RF Level of Saw
Filter Output
For GSM : FL601.7
For DCS : FL601.5
Check the parts are
well soldered
for GSM : L603
for DCS : L602
Soldering is
OK?
Changing
FL601
No
Changing
L603 for GSM
L602 for DCS
Yes
- 60 -
4. TROUBLE SHOOTING
Содержание G7100
Страница 20: ...Figure 3 4 Power Amplifier Block Diagram 22 3 TECHNICAL BRIEF ...
Страница 28: ...3 8 Analog Main Processor AD6521 Figure 3 9 AD6521 30 3 TECHNICAL BRIEF ...
Страница 31: ...Figure 3 10a Voice band circuit Diagram 33 3 TECHNICAL BRIEF ...
Страница 32: ...Figure 3 10b Voice band circuit Diagram 34 3 TECHNICAL BRIEF ...
Страница 33: ...Figure 3 10c Voice band circuit Diagram 35 3 TECHNICAL BRIEF ...
Страница 39: ...Figure 3 13 Keypad Switches and Scanning 41 3 TECHNICAL BRIEF ...
Страница 42: ...Figure 3 16a Hands free Headset Jack Interface 44 3 TECHNICAL BRIEF ...
Страница 43: ...Figure 3 16b Hands free Headset Jack Interface 45 3 TECHNICAL BRIEF ...
Страница 49: ...Figure 3 21a CLC344E 51 3 TECHNICAL BRIEF ...
Страница 50: ...Figure 3 21b Sensor connection 52 3 TECHNICAL BRIEF ...
Страница 70: ...Figure 4 12 Test Points 72 4 TROUBLE SHOOTING ...
Страница 79: ...Test Points Receiver part Circuit Diagram Figure 4 16 81 PIN 35 33 4 TROUBLE SHOOTING ...
Страница 83: ...Figure 4 18 Test Points 85 R112 R111 R113 R115 C121 C145 C147 4 TROUBLE SHOOTING ...
Страница 84: ...MIC part Circuit Diagram VINNORP VINNORN 86 4 TROUBLE SHOOTING ...
Страница 90: ...Figure 4 21 Test Points Folder on off part Circuit Diagram 92 U301 R304 U300 R300 4 TROUBLE SHOOTING ...
Страница 92: ...Figure 4 22 Test Points SIM part Circuit Diagram 94 J100 4 TROUBLE SHOOTING ...
Страница 96: ...Earphone part Circuit Diagram 98 4 TROUBLE SHOOTING ...
Страница 97: ...Figure 4 23a Test Points Figure 4 23b 99 U400 C412 C409 U401 R417 R422 U403 J400 4 TROUBLE SHOOTING ...
Страница 101: ...HFK part Circuit Diagram 103 4 TROUBLE SHOOTING ...
Страница 102: ... 104 4 TROUBLE SHOOTING ...
Страница 103: ...Figure 4 24a Test Points Figure 4 24b CN300 105 U400 U401 CN300 4 TROUBLE SHOOTING ...
Страница 106: ...Camera part Circuit Diagram 108 4 TROUBLE SHOOTING ...
Страница 108: ...5 DISASSEMBLY INSTRUCTION 5 1 Disassembly 5 DISASSEMBLY INSTRUCTION 110 ...
Страница 109: ...5 DISASSEMBLY INSTRUCTION 111 ...
Страница 110: ...5 DISASSEMBLY INSTRUCTION 112 ...
Страница 111: ...5 DISASSEMBLY INSTRUCTION 113 ...
Страница 112: ...5 DISASSEMBLY INSTRUCTION 114 ...
Страница 113: ...5 DISASSEMBLY INSTRUCTION 115 ...
Страница 114: ...5 DISASSEMBLY INSTRUCTION 116 ...
Страница 115: ...5 DISASSEMBLY INSTRUCTION 117 ...
Страница 122: ...11 Wait until Sending Block is completed 1 Wait Until Sending Block is completed 6 DOWNLOAD AND CALIBRATION 124 ...
Страница 133: ... 135 9 PCB LAYOUT ...
Страница 134: ... 136 9 PCB LAYOUT ...
Страница 143: ...Figure 11 2 HW test setting Figure 11 3 Ramping profile 11 STAND ALONE TEST 145 ...
Страница 147: ... 149 13 EXPLODED VIEW REPLACEMENT PART LIST 13 1 Exploded View ...