Toshiba P47LSB Bruksanvisning

Toshiba Tv P47LSB

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SERVICE MANUAL

LCD FLAT PANEL DATA DISPLAY UNIT

P42LSA+

P47LSA+

P42LSB

P47LSB

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CONTENTS

SAFETY PRECAUTIONS FOR USER······································ 3

PRODUCT SAFETY NOTICE ················································· 3

IMPORTANT ········································································ 5

WARNING / CAUTION ·························································· 6

PRECAUTIONS FOR USE AND MAINTENANCE ···················· 8

GENERAL DESCRIPTIONS··················································· 9

FEATURES····································································· 9

FUNCTION of PANEL / PUSH buttons ···································· 10

P42LSA+ / LSB DIMENSIONS ··············································· 11

P47LSA+ / LSB DIMENSIONS ··············································· 12

FUNCTION of I/O PANEL ······················································13

SELECTION of the SIGNALS ················································· 15

FUNCTION of POWER PANEL···············································15

SPECIFICATIONS ································································ 16

ACCEPTABLE SIGNAL TYPE ················································ 17

WIRELESS REMOTE CONTROL OPERATION ························ 18

Entering to the Adjustment MENU·········································· 22

Wireless Remote Control operation Chart ································· 21

RS232C PC Control ·······························································27

Setting ID············································································· 28

Adjust Mode·········································································· 29

Function in SPECIAL mode ····················································31

Function in SERVICE mode ···················································· 32

Control via RS232C --- Command Protocol list··························· 33

Status Report Z - Commands ··············································· 37

ASCII - - Hex Conversion Chart··············································· 39

FIRMWARE REWRITE ························································ 39

DISASSEMBLE ···································································· 40

P42/47LSA+ / LSB Block Diagram ··········································42

Trouble Shooting ··································································43

P42LSA+ / LSB PARTS List ····················································44

P47LSA+ / LSB PARTS List ····················································45

Wireless Remote Control Operation Chart (for Print)················ 46

WARNING: Service should not be attempted by anyone unfamiliar with the necessary precautions on this

projector. The following are the necessary precautions to be observed before servicing this chassis.

1. An isolation Transformer should be connected in the power line between the projector and the AC line

before any service is performed on the projector.

2. When replacing a chassis in the cabinet, always be certain that all the protective devices are put back in

place, such as; non-metallic control knobs, insulating covers, shields, isolation resistor-capacitor network

etc.

3. Before returning the set to the customer, always perform an AC leakage current check on the exposed

metallic parts of the cabinet, such as terminals, screwheads, metal overlays, control shafts etc. to be sure

the set is safe to operate without danger of electrical shock. Plug the AC line cord directly into a AC outlet

(do not use a line isolation transformer during this check). Use an AC voltmeter having 5000-ohm per volt

or more sensitivity in the following manner: Connect a 1500-ohm 10W resistor, paralleled by a 0.15-MFD,

AC type capacitor, between a known good earth ground (water pipe, conduit, etc.) and the

exposed metallic parts, one at a time. Measure the AC

voltage across the combination of 1500-ohm resistor

and 0.15-MFD capacitor. Reverse the AC plug at the

AC outlet and repeat AC voltage measurements for

each exposed metallic part. Voltage measured must

not exceed 5.25V(rms). This corresponds to

3.5mA(AC). Any value exceeding this limit constitutes

a potential shock hazard and must be corrected

immediately.

AC VOLTMETER

0.15MFD

Place this probe on

each exposed

metallic part.

Good earth ground

such as a water

pipe, conduit, etc. 1500 ohm

10 watt

SAFETY PRECAUTION

PRODUCT SAFETY NOTICE

Many electrical and mechanical parts in this chassis have special safety-related characteristics. These

characteristics are often passed unnoticed by a visual inspection and the protection afforded by them cannot

necessarily be obtained by using replacement components rated for higher voltage, wattage, etc.

Replacement parts which have these special safety characteristics are identified in this manual and its

supplements; electrical components having such features are identified by the international hazard symbols

on the schematic diagram and the parts list.

Before replacing any of these components, read the parts list in this manual carefully. The use of substitute

replacement parts which do not have the same safety characteristics as specified in the parts list may create

shock, fire or other hazards.

ULTRAVIOLET DANGER IN SERVICE MODE

Eye damage may result from directly viewing the light produced by the lamp used in this product. Always turn

off lamp before opening this cover. Ultraviolet radiation eye protection required during servicing.

Produktspecifikationer

Varumärke:	Toshiba
Kategori:	Tv
Modell:	P47LSB

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