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2. PERFORMANCE
- 13 -
Item
Description
Specification
14
STMR
13 5 dB
15
Stability Margin
> 6 dB
dB to ARL (dB)
Level Ratio (dB)
-35
17.5
-30
22.5
-20
30.7
16
Distortion
-10
33.3
0
33.7
7
31.7
10
25.5
17
Side Tone Distortion
Three stage distortion < 10%
18
System frequency
2.5ppm
(13 MHz) tolerance
19
32.768KHz tolerance
30ppm
At least 65 dBspl under below conditions:
20
Ringer Volume
1. Ringer set as ringer.
2. Test distance set as 50 cm
21
Charge Current
Fast Charge : < 430 mA
Slow Charge: < 150 mA
Antenna Bar Number
Power
5
-85 dBm ~
4
-90 dBm ~ -86 dBm
22
Antenna Display
3
-95 dBm ~ -91 dBm
2
-100 dBm ~ -96 dBm
1
-105 dBm ~ -101 dBm
0
~ -105 dBm
Battery Bar Number
Voltage
0
3.51V~3.61V
23
Battery Indicator
1
3.62V~3.69V
2
3.70V~3.77V
3
3.78V~3.91V
4
3.92V~
24
Low Voltage Warning
3.62 0.03V (Call)
3.50 0.03V (Standby)
Summary of Contents for F2400
Page 3: ......
Page 27: ...3 TECHNICAL BRIEF 28 Figure 4 SYSTEM INTERCONNECTION OF AD6527 6527B EXTERNAL INTERFACE ...
Page 29: ...AD6537B 3 TECHNICAL BRIEF 30 Figure 5 AD6537B FUNCTION BLOCK DIAGRAM ...
Page 39: ...3 TECHNICAL BRIEF 40 Figure 16 AUDIO LOGIC IN AD6537B ...
Page 43: ...4 TROUBLE SHOOTING 44 4 1 RX Trouble 4 TROUBLE SHOOTING Figure 4 1 Test Points Checking Flow ...
Page 47: ...4 TROUBLE SHOOTING 48 Checking Flow ...
Page 48: ...4 TROUBLE SHOOTING 49 5 Checking SAW Filter Circuit Test Points Checking Flow Circuit Diagram ...
Page 49: ...4 TROUBLE SHOOTING 50 6 Checking RX IQ Test Points Circuit Diagram Waveform Checking Flow ...
Page 50: ...4 TROUBLE SHOOTING 51 4 2 TX Trouble Test Points Checking Flow ...
Page 54: ...4 TROUBLE SHOOTING 55 3 Checking Ant SW Mobile SW ...
Page 56: ...4 TROUBLE SHOOTING 57 5 Checking TX IQ Test Points Waveform Circuit Diagram Checking Flow ...
Page 57: ...4 TROUBLE SHOOTING 58 4 3 Power On Trouble ...
Page 58: ...4 TROUBLE SHOOTING 59 C126 C124 D101 R112 C119 C101 U101 R399 ...
Page 59: ...4 TROUBLE SHOOTING 60 4 4 Charging Trouble Q101 R120 D102 CN202 4 5 PIN ...
Page 60: ...4 TROUBLE SHOOTING 61 ...
Page 61: ...4 TROUBLE SHOOTING 62 4 5 LCD Trouble CN601 9 23 PIN C401 U402 C417 ...
Page 62: ...4 TROUBLE SHOOTING 63 ...
Page 63: ...4 TROUBLE SHOOTING 64 4 6 Receiver Trouble R105 R104 ...
Page 64: ...4 TROUBLE SHOOTING 65 4 7 Speaker Trouble R213 R214 U204 C215 C216 C217 R219 R218 U203 ...
Page 65: ...4 TROUBLE SHOOTING 66 C211 C219 C217 C216 C217 C216 ...
Page 66: ...4 TROUBLE SHOOTING 67 4 8 MIC Trouble C108 C226 R232 R231 C225 C223 R235 R234 ...
Page 67: ...4 TROUBLE SHOOTING 68 ...
Page 68: ...4 TROUBLE SHOOTING 69 4 9 Vibrator Trouble R1101 R1100 Q402 D202 1 ...
Page 69: ...4 TROUBLE SHOOTING 70 ...
Page 70: ...4 TROUBLE SHOOTING 71 4 10 Key Backlight LED Trouble ...
Page 71: ...4 TROUBLE SHOOTING 72 ...
Page 72: ...4 TROUBLE SHOOTING 73 4 11 SIM Detect Trouble ...
Page 73: ...4 TROUBLE SHOOTING 74 4 12 Ear Jack Trouble U201 C201 R201 R207 R208 J201 R209 ...
Page 74: ...4 TROUBLE SHOOTING 75 ...
Page 75: ...4 TROUBLE SHOOTING 76 ...
Page 78: ...4 TROUBLE SHOOTING 79 ...
Page 79: ...4 TROUBLE SHOOTING 80 4 14 RTC Trouble X101 R113 ...
Page 82: ...4 TROUBLE SHOOTING 83 ...
Page 95: ...Note 96 ...
Page 102: ... 103 8 PCB LAYOUT ...
Page 103: ... 104 8 PCB LAYOUT ...
Page 109: ......