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NEC Confidential & Proprietary
Hazardous Waste:
The battery pack, if incorrectly disposed of, is an environmental hazard. It must be
disposed of in accordance with the regulations of the country concerned.
Never dispose of the battery pack in fire or water.
Confidentiality:
The circuitry within this equipment contains several components that are regarded as
company confidential. Only use NEC specified parts as replacements.
RF Injury:
To avoid RF injury, direct exposure to radio frequency energy should be avoided. In
particular, exposed parts of your body (especially the eyes and face) should not come
into contact with the antenna while the equipment is transmitting.
Storage Conditions:
It is recommended that the following storage conditions should be avoided to prevent
damage to the equipment: -
Dusty.
Humid.
Near to magnetic equipment
In direct sunlight
.
Ventilation:
Repair areas should be well ventilated and fume extraction systems should be installed
where necessary. Potential hazardous substances are solder fumes, flux, alcohol etc.
PCB Handling:
It is recommend that cotton gloves are worn during repair work. This is to protect your
hands from chemical contamination and to protect the PCBs from fingerprints and
humidity.
SIM Card:
•
Do not bend.
•
Clean by using a soft dry cloth.
Содержание N8
Страница 1: ...N8 Service Manual Level 3 ...
Страница 3: ...NEC Confidential Proprietary Next Section Main Menu Section 1 Precautions for Repair Work 1 ...
Страница 8: ...NEC Confidential Proprietary Previous Section Next Section Main Menu Section 2 Unit Specifications 2 ...
Страница 24: ...NEC Confidential Proprietary PROGRAMMING CABLE Picture ...
Страница 29: ...NEC Confidential Proprietary KEY SHEET ASSEMBLY ...
Страница 30: ...NEC Confidential Proprietary INTER CONNECTION ...
Страница 31: ...NEC Confidential Proprietary RF BLOCK DIAGRAM ...
Страница 36: ...NEC Confidential Proprietary Mixer and IF Ref 26MHz from TCXO 880 915MHz 1710 1785MHz 1850 1910MHz ...
Страница 52: ...NEC Confidential Proprietary DATA CABLE ...
Страница 55: ...NEC Confidential Proprietary SIMPLE HANDSFREE DESKTOP CHARGER Input 5 3V 0 51A Two charge slots ...
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Страница 69: ...NEC Confidential Proprietary 8 Key Sheet Assy LOWER KEY SHEET ASSY INTO FRONT COVER M ...
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Страница 106: ...NEC Confidential Proprietary IC121 MAY YC0059 T001 HD155148TF BLOCK DIAGRAM ...
Страница 107: ...NEC Confidential Proprietary OUTLINE DIAGRAM TOP VIEW ...
Страница 110: ...NEC Confidential Proprietary IC251 MAY YB0002 T001 PSC2011CHRS DT BLOCK DIAGRAM ...
Страница 111: ...NEC Confidential Proprietary OUTLINE DIAGRAM TOP SEE THROUGH ...
Страница 112: ...NEC Confidential Proprietary PIN INFORMATION ...
Страница 113: ...NEC Confidential Proprietary PIN INFORMATION CONTINUED ...
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Страница 115: ...NEC Confidential Proprietary IC301 MAY YB0003 B001 TR09BFTGB17IN2B DB BLOCK DIAGRAM ...
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Страница 124: ...NEC Confidential Proprietary OUTLINE DIAGRAM PIN INFORMATION 1 VDD 2 VSS 3 N C 4 VOUT 2 4 3 1 ...
Страница 126: ...NEC Confidential Proprietary OUTLINE DIAGRAM TOP SEE THROUGH ...
Страница 129: ...IC421 MAY YA0017 A001 MPD89064K9 001 4AA OUTLINE DIAGRAM ...
Страница 130: ...NEC Confidential Proprietary IC854 MAY YC0068 T001 MM1612FN BLOCK DIAGRAM OUTLINE DIAGRAM PIN INFORMATION ...
Страница 133: ...NEC Confidential Proprietary U111 MAY YY0020 T001 RF3110 BLOCK DIAGRAM OUTLINE DIAGRAM ...
Страница 134: ...NEC Confidential Proprietary PIN INFORMATION ...
Страница 135: ...NEC Confidential Proprietary Previous Section Next Section Main Menu Section 8 Circuit Diagrams 8 ...
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Страница 153: ...NEC Confidential Proprietary Previous Section Next Section Main Menu Section 10 Parts List 10 ...
Страница 172: ...NEC Confidential Proprietary Previous Section Main Menu Section 11 Glossary of Terms 11 ...