1. INTRODUCTION
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1.1 Purpose
This manual provides the information necessary to repair, calibration, description and download the
features of this model.
1.2 Regulatory Information
A. Security
Toll fraud, the unauthorized use of telecommunications system by an unauthorized part (for example,
persons other than your company’s employees, agents, subcontractors, or person working on your
company’s behalf) can result in substantial additional charges for your telecommunications services.
System users are responsible for the security of own system. There are may be risks of toll fraud
associated with your telecommunications system. System users are responsible for programming and
configuring the equipment to prevent unauthorized use. The manufacturer does not warrant that this
product is immune from the above case but will prevent unauthorized use of common-carrier
telecommunication service of facilities accessed through or connected to it.
The manufacturer will not be responsible for any charges that result from such unauthorized use.
B. Incidence of Harm
If a telephone company determines that the equipment provided to customer is faulty and possibly
causing harm or interruption in service to the telephone network, it should disconnect telephone
service until repair can be done. A telephone company may temporarily disconnect service as long as
repair is not done.
C. Changes in Service
A local telephone company may make changes in its communications facilities or procedure. If these
changes could reasonably be expected to affect the use of the this phone or compatibility with the
network, the telephone company is required to give advanced written notice to the user, allowing the
user to take appropriate steps to maintain telephone service.
D. Maintenance Limitations
Maintenance limitations on this model must be performed only by the manufacturer or its authorized
agent.
The user may not make any changes and/or repairs expect as specifically noted in this manual.
Therefore, note that unauthorized alternations or repair may affect the regulatory status of the system
and may void any remaining warranty.
1. INTRODUCTION
Z3X-BOX.COM
Содержание MG300d
Страница 1: ...Date January 2006 Issue 1 0 Service Manual Model MG300d Service Manual MG300d Z 3 X B O X C O M ...
Страница 23: ...3 TECHNICAL BRIEF 24 Figure 3 1 SKY74400 FUNCTIONAL BLOCK DIAGRAM Z 3 X B O X C O M ...
Страница 48: ...3 TECHNICAL BRIEF 49 3 7 CAMERA IC AIT813 U504 Figure 3 15 AIT813 APPLICATION BLOCKDIAGRAM Z 3 X B O X C O M ...
Страница 50: ...3 TECHNICAL BRIEF 51 3 8 MIDI IC YMU787 U703 Figure 3 24 YMU787 BLOCKDIAGRAM Z 3 X B O X C O M ...
Страница 70: ...4 TROUBLE SHOOTING 71 4 2 TX Trouble SKY74400 FEM 13Mhz OSCILLATOR Test Points Z 3 X B O X C O M ...
Страница 83: ...4 TROUBLE SHOOTING 84 4 6 LCD Trouble EMI FILTER CN600 Test Points Z 3 X B O X C O M ...
Страница 88: ...4 TROUBLE SHOOTING 89 Figure 1_Blue_RST Figure 2_DEBUG_Tx Rx Figure 3_PCM_SYNCS Tx Rx USCO Z 3 X B O X C O M ...
Страница 110: ...5 DOWNLOAD AND CALIBRATION 111 8 Push the START button Z 3 X B O X C O M ...
Страница 111: ...5 DOWNLOAD AND CALIBRATION 112 9 Phone test Finish is shown in below screen Z 3 X B O X C O M ...
Страница 112: ...6 BLOCK DIAGRAM 113 6 BLOCK DIAGRAM Z 3 X B O X C O M ...
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Страница 124: ... 125 MG300d 8 PCB LAYOUT Z 3 X B O X C O M ...
Страница 125: ... 126 MG300d 8 PCB LAYOUT Z 3 X B O X C O M ...
Страница 133: ...10 STAND ALONE TEST 134 Figure 10 2 HW test setting Figure 10 3 Ramping profile Z 3 X B O X C O M ...
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Страница 140: ... 141 12 EXPLODED VIEW REPLACEMENT PART LIST Z 3 X B O X C O M ...
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