Használati útmutató Toshiba 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
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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.
Termékspecifikációk
| Márka: | Toshiba |
| Kategória: | televízió |
| Modell: | P47LSB |
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