Nokia Lumia 1320 Service Manual

RM-994/ RM-995/ RM-996
BB Troubleshooting Guide
NOKIA INTERNAL USE ONLY Page 73
Copyright © 2013 Nokia. All rights reserved.
 Audio troubleshooting
Audio troubleshooting test instructions
Single-ended external earpiece and differential internal earpiece outputs can be measured either with a
single-ended or a differential probe.
When measuring with a single-ended probe, each output is measured against the ground. When measuring
against the ground, two separate single-end probes are needed.
Internal handsfree output is measured using a current probe, if a special low-pass filter designed for
measuring a digital amplifier is not available. Note also that when using a current probe, the input signal
frequency must be set to 2 kHz.
The input signal for each loop test can be either single-ended or differential. Exception to this is a digital
microphone which needs input signal from an external sound source (laptop speaker) to playback, e.g. 1
kHz sine wave from 5 cm distance.
Required equipment
The following equipment is needed for the tests:
● Oscilloscope
● Function generator (sine waveform)
● Current probe (Internal handsfree DPMA output measurement)
● Service software
● Battery voltage 3.7V
● Sound source (laptop speaker or B&K type 4231 calibrator)

Nokia Lumia 1320 Specifications

General

Pixel density	245 ppi
Display diagonal	6 \
Touch technology	Multi-touch
Display resolution	1280 x 720 pixels
Native aspect ratio	16:9
Display number of colors	16.78 million colors
Processor cores	2
Processor family	Qualcomm Snapdragon
Processor frequency	1.7 GHz
RAM capacity	1 GB
Compatible memory cards	MicroSD (TransFlash)
Maximum memory card size	64 GB
Internal storage capacity	8 GB
Flash type	LED
White balance	Auto, Cloudy, Daylight, Fluorescent, Incandescent
ISO sensitivity	100, 200, 400, 800, Auto
Front camera type	Single camera
Maximum frame rate	30 fps
Optical sensor size	1/4 \
Video recording modes	1080p
Resolution at capture speed	1920x1080@30fps
Rear camera resolution (numeric)	5 MP
Front camera resolution (numeric)	0.3 MP
4G standard	LTE
2G standards	GSM
3G standards	WCDMA
SIM card type	MicroSIM
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth version	4.0
3G bands supported	850, 900, 2100 MHz
4G bands supported	800, 1800, 2600 MHz
Bluetooth profiles	A2DP, AVRCP, HFP, OPP, PBAP
SIM card capability	-
Security algorithms	EAP-SIM, PEAP, WEP, WPA, WPA2
2G bands (primary SIM)	850, 900, 1800, 1900 MHz
Mobile network generation	4G
USB version	2.0
USB connector type	Micro-USB, Micro-USB B
Headphone connectivity	3.5 mm
Form factor	Bar
Product color	Black
Platform	Windows
Operating system installed	Windows Phone 8
Voice codecs	AMR-NB, AMR-WB, EFR
Audio formats supported	AMR-NB, MP3, WMA
Video formats supported	3G2, 3GP, AVI, M4V, MOV, MP4, WMV
Document formats supported	DOC, PDF, PPT, XLS
Multimedia Messaging Service (MMS)	Multimedia Messaging Service (MMS) is a standard way to send messages that include multimedia content to and from a mobile phone over a cellular network
Talk time (2G)	25 h
Talk time (3G)	21 h
Battery capacity	3400 mAh
Standby time (3G)	- h
Browsing time (Wi-Fi)	11.5 h
Continuous audio playback time	98 h
Continuous video playback time	9 h
Cables included	AC, DC

Weight and Dimensions

Depth	9.8 mm
Width	85.9 mm
Height	164.2 mm
Weight	220 g