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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.
Summary of Contents for N8
Page 1: ...N8 Service Manual Level 3 ...
Page 3: ...NEC Confidential Proprietary Next Section Main Menu Section 1 Precautions for Repair Work 1 ...
Page 24: ...NEC Confidential Proprietary PROGRAMMING CABLE Picture ...
Page 29: ...NEC Confidential Proprietary KEY SHEET ASSEMBLY ...
Page 30: ...NEC Confidential Proprietary INTER CONNECTION ...
Page 31: ...NEC Confidential Proprietary RF BLOCK DIAGRAM ...
Page 52: ...NEC Confidential Proprietary DATA CABLE ...
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Page 69: ...NEC Confidential Proprietary 8 Key Sheet Assy LOWER KEY SHEET ASSY INTO FRONT COVER M ...
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Page 106: ...NEC Confidential Proprietary IC121 MAY YC0059 T001 HD155148TF BLOCK DIAGRAM ...
Page 107: ...NEC Confidential Proprietary OUTLINE DIAGRAM TOP VIEW ...
Page 110: ...NEC Confidential Proprietary IC251 MAY YB0002 T001 PSC2011CHRS DT BLOCK DIAGRAM ...
Page 111: ...NEC Confidential Proprietary OUTLINE DIAGRAM TOP SEE THROUGH ...
Page 112: ...NEC Confidential Proprietary PIN INFORMATION ...
Page 113: ...NEC Confidential Proprietary PIN INFORMATION CONTINUED ...
Page 114: ...NEC Confidential Proprietary PIN INFORMATION CONTINUED ...
Page 115: ...NEC Confidential Proprietary IC301 MAY YB0003 B001 TR09BFTGB17IN2B DB BLOCK DIAGRAM ...
Page 116: ...NEC Confidential Proprietary OUTLINE DIAGRAM TOP SEE THROUGH ...
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Page 124: ...NEC Confidential Proprietary OUTLINE DIAGRAM PIN INFORMATION 1 VDD 2 VSS 3 N C 4 VOUT 2 4 3 1 ...
Page 126: ...NEC Confidential Proprietary OUTLINE DIAGRAM TOP SEE THROUGH ...
Page 129: ...IC421 MAY YA0017 A001 MPD89064K9 001 4AA OUTLINE DIAGRAM ...
Page 133: ...NEC Confidential Proprietary U111 MAY YY0020 T001 RF3110 BLOCK DIAGRAM OUTLINE DIAGRAM ...
Page 134: ...NEC Confidential Proprietary PIN INFORMATION ...
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Page 144: ...NEC Confidential Proprietary Previous Section Next Section Main Menu Section 9 Board Map 9 ...
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Page 153: ...NEC Confidential Proprietary Previous Section Next Section Main Menu Section 10 Parts List 10 ...
Page 172: ...NEC Confidential Proprietary Previous Section Main Menu Section 11 Glossary of Terms 11 ...