LG Nexus 5 Service Manual

2. PERFORMANCE
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10) WLAN 802.11n(HT20) transceiver specification
LG-D821 Product SPEC
20
9) WLAN 802.11n(HT20) transceiver specification  
Item  Specification  
Transmit Frequency   2400 MHz ~ 2473.5 MHz ( CH1~CH11) (USA)
 
5150~5850MHz(CH36,CH40,CH44,CH48~116,CH132~165) (USA)  
2400 MHz ~  2483.5 MHz ( CH1~CH13) (Europe)  
5150~5725MHz(CH36,CH40,CH44,CH48~140) (Europe)  
Tx Power...

2. PERFORMANCE
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LG-D821 Product SPEC
21
Rx Min input Sensitivity   PER ≤ 10%
 
- [email protected],  -79dBm@1 3Mbps, [email protected]  
- 74dBm@26Mbps,  -70dBm@39Mbps,  -66dBm@52Mbps  
- [email protected],  -64dBm@65Mbps  
Rx Max input Sensitivity  ≥ 
-20dBm @ PER ≤ 10%(2400 ~ 2483.5 MHz)  
≥  -30dBm @ PER ≤ 10%(5150 ~ 5850    MHz)  
Rx Adjacent Channel 
Rejection   PER ≤ 10%,
 
ACR ≥...

2. PERFORMANCE
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LG-D821 Product SPEC
22
10) Bluetooth transmitter specification  
Item  Spec.  Min  Typ.  Max  Unit 
Output Power  DH5
 
PRBS9   Nominal Pwr
 -6   -  +20  dBm 
Peak Pwr   -  -  +23  dBm 
Power Density  DH5
 
PRBS9   @100kHz BW
 
 -
  +20  dBm 
Frequency Range  DH5
 
PRBS9   -
30dBm  
@100 kHz BW   2400
  -  2483  MHz 
Tx Output Spectrum  
(20dB BW)   DH5
 
PRBS9   Δf...

2. PERFORMANCE
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LG-D821 Product SPEC
23
11) Bluetooth    receiver specification  
Item  Spec.  Min  Typ.  Max   Unit 
Sensitivity  
(Single Slot Packet)  DH1
 
PRBS9   BER @ 0.1%
 
 -
  -70   dBm 
Sensitivity  
(Multi Slot Packet)  DH5
 
PRBS9   BER @ 0.1%
 
 -
  -70   dBm 
C/I Performance  DH1
 
PRBS9   Co
-Channel  
- 60dBm@ BER0.1%    -
  11 
dB 
C/I @1MHz  
- 60dBm@ BER 0.1%    -...

2. PERFORMANCE
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LG-D821 Product SPEC
24
Intermodulation  
Performance   DH1
 
PRBS9   Δf = +5MHz (CW)
 
Δf = +10MHz (BT)  
BER @ 0.1%   
-
  -64   dBm 
Δf = -5MHz (CW)  
Δf =  -10MHz (BT)  
BER @ 0.1%   
-
  -64   dBm 
Maximum Input Level  DH1
 
PRBS9   BER @ 0.1%
 -20   - 
 dBm
 
 
12)  GPS  receiver  specification  
Item  Specification 
Receive  Freque ncy  1574.42 MHz ~ 1576.42 MHz...

2. PERFORMANCE
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LG-D821 Product SPEC
25
14)  Current  consumption  
Item 
Specification  
LTE WCDMA  GSM CDMA  
1. Sleep Mode  6mA   ↓  6mA   ↓  6mA   ↓  6mA   ↓ 
2. Sleep : Ear jack 
connected   6mA   
↓  6mA   ↓  6mA   ↓  6mA   ↓ 
3. Sleep & Idle average  6.5mA
↓ 
@ SCI2   6.5mA 
↓ 
@ DRX 7   6.5mA 
↓ 
@ P.P 5   6.5mA 
↓ 
@ SCI2  
4. BT Connected  
Sleep& Idle   9.5mA 
↓  9.5mA ↓...

2. PERFORMANCE
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LG-D821 Product SPEC
26
15) Battery life time  
Item Specification  Test Condition  
Standby 
(LTE)   350 hours over
 
6.5mA  ↓  DRX 7 @ BATT : 2300mAh 
Standby
 
(GSM)   350 hours over
 
6.5mA  ↓  EGSM P5 @ BATT : 2300mAh 
Standby
 
( WCDMA)   350 hours over
 
6.5mA  ↓  DRX7 @ BATT 
: 2300mAh 
Standby 
(CDMA)   350 hours over
 
6.5mA  ↓  SCI2 @ BATT : 2300mAh
 
Voice...

2. PERFORMANCE
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LG-D821 Product SPEC
27
17) RSSI indicator (Based on Cell power)  :   
 
Specification  
Unit 
LTE WCDMA  GSM CDMA  
BAR 4->3   -85dBm±3dBm  -88dBm±3dBm  -90dBm±3dBm  -76dBm±3dBm  
Antenna BAR  
BAR 3 ->2   -95dBm±3dBm  -96dBm±3dBm  -98dBm±3dBm  -86dBm±3dBm  
BAR 2->1   -105dBm±3dBm  -102dBm±3dBm  -104dBm±3dBm  -96dBm±3dBm  
BAR 1->0   -115dBm±3dBm  -106dBm±3dBm...

2. PERFORMANCE
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LG-D821 Product SPEC
28
2.8 D821 Figur es 
 
 
2.7 D821 Figures  

3. TROUBLE SHOOTING
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3. TROUBLE SHOOTING
TOP
3.1 RF Component
U1001
UMTS(B1,B2,B4,B8)
LTE(B1,B3,B8)
GSM Quad
MMPA
U2002
DC –DC 
Convertor
U2000
DC –DC 
Convertor
U1008
UMTS(B5/B6)
LTE(B5)
U1002
B20  PAM 
FL1006
B20 Tx SAW
U1003
B7 PAM
FL1019
B7 Tx 
Separator