User Manuals: Pantech PG-1400 Mobile Phone

User Manuals: Pantech PG-1400 Mobile Phone

Manuals and User Guides for Pantech PG-1400 Mobile Phone. We have 1 Pantech PG-1400 Mobile Phone manual available for free PDF download: Service Manual

Pantech PG-1400 Service Manual

Pantech PG-1400 Service Manual (47 pages)

GSM Cellular Phone

Brand: Pantech | Category: Cell Phone | Size: 0 MB

Table of Contents

Table of Contents
2
Section 1 Introduction
4
A Nintroduction of Gsm Digital Cellular Mobile Communication System
4
Frequency Allocation and Its Use
4
Item Name and Use
5
Characteristics
5
Section 2 Electrical Specifications
6
General
6
Transmitter
6
Receiver
6
Section 3 Operation
7
Name of each Part
7
Display
8
Keypad
8
Camera Module
8
Section 4 Theory of Operation
9
Logic Section
9
DC Distribution and Regulation Part
9
Logic Part
9
Summary
9
Baseband Digital Signal Processing
9
Memory Part
11
Notification Part
12
Key Pad Part
12
LCD Module(Display Part)
12
Camera Module
12
Radio Transceiver Section
13
DC Distribution and Regulation Part
14
Receiver Section
14
A Noverview of Receive Section
14
Receiver Part
15
Transmit Section
16
A Noverview of Transmit Section
16
Transmitter Part
16
VC-Tcxo(Voltage Controlled Temperature Compensated Crystal Oscillator)
17
Section 5 Alignment Procedure
18
Recommended Test Equipment
18
Connection of Test Equipment
18
Section 6 Equipment Repair Procedure
19
Power on with Battery Applied
19
Power Check
19
Oscillation Check
25
KEYPAD LED Not in Operation
26
Lcd
27
Audio Part ( Earpiece, Hands-Free Earphone, Microphone, Hands-Free MIC )
28
N Oreceiving Tone Heard (Earpiece )
28
N Oreceiving Tone Heard (Hands Free Earphone )
29
Sidetone Not Transmitted (Earpiece )
30
Sidetone Not Transmitted (Hands Free MIC )
31
Hook Switch Not Working
32
Melody Not Ringing
33
Vibrator Not Working
34
Sim Card Part
35
Sim Error
35
Charger Part
36
Charging Error
36
Rf Part
38
Test Conditions
38
Power Supply Check Point
39
Power Amplifier Module
41
C - Tcxo
42
Antenna Switch Module
44
Fm Radio Module
44
Check Point Power Part in the Fm Radio Mode
44
Check Point Communication Part in the Fm Radio Mode (Initialization , Set Frequency )
44
Check Point Output Part in the Fm Radio Mode )
44

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