Panasonic EB-GD52 Service Manual
Personal cellular telephone
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Also See for EB-GD52:
- Operating instructions manual (60 pages) ,
- Service manual (93 pages)
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This service information is designed for experienced repair technicians only and is not designed for use by the
contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any
repair the product or products dealt with in this service manual by anyone else could result in serious injury o
Issue 1
Revision 0
Personal Cellular Telephone
EB-GD52
EB-GD92
EB-GD92C
Specification
Frequency Range
Tx/Rx frequency separation
RF Channel Bandwidth
Number of RF channels
Speech coding
Operating temperature
Type
RF Output Power
Modulation
Connection
Voice digitizing
Transmission speed
Diversity
Signal Reception
Intermediate Frequencies 225 MHz and 45 MHz
Antenna Terminal Impedance
Antenna VSWR
Dimensions
Volume
Weight
Display
Illumination
Keypad
SIM
External DC Supply Voltage
Battery
Standby Battery Life
DRX 9
Conversation Battery Life
PL 7, DTX 50%
Battery life figures are dependent on network conditions.
WARNING
© 2000 Matsushita Communication Industrial UK
Ltd. All rights reserved. Unauthorized copying an
distribution is a violation of law.
Order Number: MCUK000601C8
900 MHz
1800 MHz
Tx: 890 - 915MHz
Tx: 1710 - 1785 MHz
Rx: 935 - 960 MHz
Rx: 1805 - 1880 MHz
45 MHz
95 MHz
200 kHz
124
374
Full rate/Half rate/Enhanced Full rate
-10 °C to +55 °C
Class 4 Handheld
Class 1 Handheld
2 W maximum
1 W maximum
GMSK (BT = 0.3)
8 ch/TDMA
13 kbps RPE-LTP / 13 kps ACLEP / 5.6 kps CELP / VSLEP
270.3 kbps
Frequency hopping
Double superheterodyne
50Ω
<2.1 : 1
Height: 118.1 mm
Width:
40.5 mm
Depth:
16.4 mm (GD92/92C), 21.4 mm (GD52)
GD52: 99 ml
GD92/92C: 74.5 ml
GD52: 99 g
GD92/92C: 77 g
Graphical chip on glass liquid crystal, Alphanumeric,
16 x 3 characters (GD52), 16 x 4 characters (GD92/92C),
5 icons and 6 x 1 characters
4 LEDs for the LCD (Green)
8 LEDs for the keypad (Green)
1 LED Incoming call (Green)
1 Charging LED (Red)
17 keys, Navigation key
Plug-in type only
5.8 V
GD52: 3.6V nominal, 600mAh, NiMH
GD92/92C: 3.7 V nominal, 650mAh, Li-Ion
GD52: 140 hrs
GD92/92C: 160 hrs maximum
GD52: 180 minutes
GD92/92C: 210 minutes
It does not
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Summary of Contents for Panasonic EB-GD52
- Page 1 Order Number: MCUK000601C8 Personal Cellular Telephone EB-GD52 EB-GD92 EB-GD92C Specification 900 MHz 1800 MHz Frequency Range Tx: 890 - 915MHz Tx: 1710 - 1785 MHz Rx: 935 - 960 MHz Rx: 1805 - 1880 MHz Tx/Rx frequency separation 45 MHz...
- Page 2 Company Liability This Service Manual is copyright and issued on the strict understanding that it is not be reproduced, any third party, either in whole or in part, without the prior written consent of Matsushita Communicat Every care has been taken to ensure that the contents of this manual give an accurate representation However, Matsushita Communication Industrial UK Ltd.
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Page 3: Warnings And Cautions
WARNINGS AND CAUTIONS WARNING The equipment described in this manual contains polarized capacitors utilising liquid electrolyte. These devices fe provided that neither a short-circuit nor a reverse polarity connection is made across the capacitor terminals. FAILURE TO OBSERVE THIS WARNING COULD RESULT IN DAMAGE TO THE EQUIPMENT OR, AT WORST, POSSIBLE INJURY TO PERSONNEL RESULTING FROM ELECTRIC SHOCK OR THE AFFECTED CAPACITOR EXPLODING. -
Page 4: Purpose Of This Manual
INTRODUCTION 1 INTRODUCTION 1.1. Purpose of this Manual This Service Manual contains the information and procedures required for installing, operating and s GSM Personal Cellular Mobile Telephone system operating on the GSM Digital Cellular Network. 1.2. Structure of the Manual The manual is structured to provide service engineering personnel with the following information and 1. -
Page 5: General Description
2.2. Features 2.2.1 Standard Features Panasonic Telephone Models GD52, GD92 and GD92C are high performance, small, light, handsets for bus domestic use. The following features are included as standard: 1. Triple Rate, which includes Full Rate, Half rate and Enhanced Full Rate (EFR) speech, codec. - Page 6 GENERAL DESCRIPTION 2.3.3 GD92 Contents ITEM DESCRIPTION PART NUMBER Main Unit GD92 EB-GD92 Battery, Standard EB-BSD92B (Blue) - or EB-BSD92T (Titanium) AC Adaptor EB-CAD92 Documentation See Section 7 2.3.4 GD92C Contents ITEM DESCRIPTION PART NUMBER Main Unit GD92C EB-GD92C Battery, Standard EB-BSD92B (Blue) - or EB-BSD92T (Titanium)
-
Page 7: Lcd Display
OPERATING INSTRUCTIONS 3 OPERATING INSTRUCTIONS 3.1. General This section provides a brief guide to the operation and facilities available on the GD52, GD92 and GD Refer to the Operating Instructions supplied with the telephones for full operational information. 3.2. LCD Display The telephone unit has a graphical chip on glass liquid crystal display in conjunction with the foll Figure 3.1: LCD Display Indicates received signal strength:...