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Teilenummer | U8860 |
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Beschreibung | Maintenance Manual | |
Hersteller | HUAWEI | |
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Gesamt 30 Seiten U8860
Maintenance Manual
Issue
Date
1.0
2011-11-14
HUAWEI TECHNOLOGIES CO., LTD.
U8860
Maintenance Manual
1.1 Appearance
1 Product Introduction
1 Product Introduction
1.2 Specifications
Item
Dimensions (H x W x D)
Descriptions
122 mm x 61.5 mm x 10.9 mm
Issue 1.0 (2011-11-14)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd
1
6 Page U8860
Maintenance Manual
4 Components on PCBA
4 Components on PCBA
J1502 IO connector-Mini
USB type B socket
damage results in
charging failure and data
communication failure.
MIC601 MIC damage
results in call
transmission failure.
X701 crystal oscillator-
24.576 MHz damage
results in LPA (Low
power audio) failure and
power-on failure.
U1701 NAND FLASH-
4GB EMMC damage
results in power-on
failure and software
failure.
U4003 LED Driver
damage results in LED
backlight failure.
U203 Switching
Regulators damage
results in power-on
failure.
U6002 RF low noise
amplifier damage results
in GPS failure.
U2001 audio amplifier
damage results in audio
failure.
U5003 SAW filter-
2140MHz (receive
diversity) damage
results in weak
W2100MHz signal.
J1302 BTB connector
damage results in
power-on failure, TP
failure, motor vibrating
failure, speaker
soundless, and
approach light failure.
U6001 SAW filter
damage results in GPS
failure.
U1001 headphone jack
damage results in charging
failure.
X401 crystal oscillator-19.2
MHz damage results in
power-on failure.
U4201 Single Band 2.4 GHz
WLAN/Bluetooth 2.1/FM
single chip -BCM4329
damage results in Bluetooth,
WiFi and FM failures.
U4104 RF switch-0.5~3.0
GHz damage results in
Bluetooth and WiFi failures.
X4101 crystal oscillator -37.4
MHz damage results in
Bluetooth, WiFi and FM
failures.
U4001 WCMDA/GSM dual
mode RF transmission and
reception(QTR8615) damage
results in RF failure and audio
failures.
X402 crystal oscillator-
0.032768 MHz damage
results in power-on failure.
U301power management chip
(PM8058) damage results in
power-on failure.
U5002 RF low noise amplifier
(receive diversity) damage
results in weak
W2100MHz signal.
Issue 1.0 (2011-11-14)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd
7
12 Page | ||
Seiten | Gesamt 30 Seiten | |
PDF Download | [ U8860 Schematic.PDF ] |
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