Sony KDL-50R550A User manual

SERVICE MANUAL
Version Date Subject
1.0 3/2013 Original manual issue.
2.0 4/2013 Added the part to stick on LCD panel.(P.17, P.23)
2.1 5/2013 A mounted circuit board added.(P.19)
LCD Digital Color TV
9-888-526-03
HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
ORIGINAL MANUAL ISSUE DATE: 3/2013 RB1FKCHASSIS
Segment: BL

SERVICE MANUAL
LCD Digital Color TV
9-888-526-01
RB1FKCHASSIS
Segment: BL

KDL-50R550A/556A, 60R520A/550A, 70R550A(CH) 3
MODEL LIST
MODEL COLOR COMMANDER DEST.
MODEL COLOR COMMANDER DEST.
KDL-50R550A Black RM-SD021 CHINA
KDL-50R556A Black RM-SD021 CHINA
KDL-60R520A Black RM-SD022 CHINA
KDL-60R550A Black RM-SD021 CHINA
KDL-70R550A Black RM-SD021 CHINA

KDL-42/47R500A(CH) 4
䄺Ϣ⊼ᛣџ乍
(WARNINGS AND CAUTIONS)
⊼ᛣ
(CAUTION)
㓈ׂՓ⫼䇈ᯢҙ䰤Ѣ᳝䌘䋼ⱘ㓈ׂҎՓ⫼DŽ
These servicing instructions are for use by qualified service personnel only.
Ў䰡Ԣ㾺⬉ⱘ亢䰽ˈ䇋ϡ㽕䖯㸠Փ⫼䇈ᯢкݙᆍҹ໪ⱘẔׂˈ䰸䴲Դৃҹ㚰ӏDŽ
To reduce the risk of electric shock, do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so.
䄺
!! (WARNING)
Ẕׂᯊ䇋ࡵᖙՓ⫼䱨⾏ব఼ˈҹ䙓ܡ಴ᴎ໇ᏺ⬉ᓩ䍋㾺⬉DŽ
An isolation transformer should be used during any service to avoid possible shock hazard, because of live chassis.
᥹ᬊ఼ᴎ໇Ⳉ᥹䖲᥹೼Ѹ⌕⬉⑤㒓ϞDŽ
The chassis of this receiver is directly connected to the ac power line.
⬉㾚ᴎ䖤䕧
(CARRYING THE TV)
ࡵᖙ䙉ᕾ䖭ѯᣛᇐᴹֱᡸԴⱘ䋶ѻ䙓ܡ䗴៤Ϲ䞡ӸᆇDŽ
Be sure to follow these guidelines to protect your property and avoid causing serious injury.
•䖤䗕⬉㾚ᴎ䳔㽕䎇໳ⱘҎ᠟˗໻ሎᇌⱘ⬉㾚ᴎ䳔㽕ϸҎ៪᳈໮ⱘҎ
• Carry the TV with an adequate number of people; larger size TVs require two or more people.
• ᨀ䖤ᯊᡞ᠟ᬒ㕂೼ℷ⹂ⱘԡ㕂ᇍ⬉㾚ᴎⱘᅝܼঞ䙓ܡᤳണᰃ䴲ᐌ䞡㽕ⱘDŽ
• Correct hand placement while carrying the TV is very important for safety and to avoid damages.
Ⳍ݇ᅝܼ䚼ӊ䄺
!! (AFETY-RELATED COMPONENT WARNING)
೼⼎ᛣ೒,ߚ㾷೒,䳊ӊ⏙Ϟ⫼䰈ᕅ󰵼䆚ⱘ䚼ӊᇍᅝܼ᪡԰ᕜ݇䬂.⫼ᴀ᠟ݠ៪SONY๲㸹᠟ݠϞߎ⦄䳊ӊোⷕⱘ䳊ӊᴹ᳓ᤶ䖭ѯ䚼ӊDŽ
᮴䆎ԩᯊˈ᳓ᤶ݇䬂䚼ӊ៪ߎ⦄⭥Ԑϡℷ⹂᪡԰ᯊˈ䛑㽕䙉ᕾᴀ⌕⿟DŽ
Components identified by shading and ! mark on the schematic diagrams, exploded views, and in the parts list are critical for safe operation. Replace these components with Sony
parts whose part numbers appear as shown in this manual or in supplements published by Sony. Circuit adjustments that are critical for safe operation are identified in this manual.
Follow these procedures whenever critical components are replaced or improper operation is suspected.

KDL-42/47R500A(CH) 5
ᨀ䖤⎆᱊ᰒ⼎ሣᯊ䇋ࡵᖙᇣᖗ
USE CAUTION WHEN HANDLING THE LCD PANEL
ׂ⧚⎆᱊ᰒ⼎ሣᯊˈ䇋ࡵᖙԽ᠈䴭⬉᠟⦃DŽ
When repairing the LCD panel, be sure you are grounded by using a wrist band.
ׂ⧚ᣖຕ⎆᱊ᰒ⼎ሣᯊˈ⎆᱊ᰒ⼎ሣᖙ䳔⫼ৢⲪϞⱘ4Ͼ೎ᅮᄨֱᡸDŽ
When repairing the LCD panel on the wall, the LCD panel must be secured using the 4 mounting holes on the rear cover.
1) ϡ㽕ᣝࠄ⎆᱊ሣ៪䴶Ḛ䖍㓬ҹ䙓ܡ⬉ߏ亢䰽DŽ
Do not press on the panel or frame edge to avoid the risk of electric shock.
2) ϡ㽕⫼ӏԩᇪ䫤⠽ક೼⎆᱊ሣϞࠂ󰩛៪ᣝDŽ
Do not scratch or press on the panel with any sharp objects.
3) ϡ㽕䅽㒘ӊ䭓ᳳ໘೼催⏽៪催⑓ᑺ⦃๗ЁDŽ
Do not leave the module in high temperatures or in areas of high humidity for an extended period of time.
4) ϡ㽕䅽LCD⎆᱊ሣᲈ䴆೼Ⳉᇘ䰇ܝЁDŽ
Do not expose the LCD panel to direct sunlight.
5) 䙓ܡϢ∈᥹㾺DŽᅗৃ㛑ᓩ䍋㒘ӊݙ䚼ⷁ䏃DŽ
Avoid contact with water. It may cause a short circuit within the module.
6) ᔧ᳈ᤶ㚠ܝ♃(ދ䰈ᵕ㤻ܝ♃ㅵ) ៪ 䗚ব఼(䗚ব఼ⱘ催䕧ߎӮ᳝650VrmsDŽ)ᯊˈᮁᓔѸ⌕⬉⑤DŽ
Disconnect the AC power when replacing the backlight (CCFL) or inverter circuit. (High voltage occurs at the inverter circuit at 650Vrms.)
7) 㽕㒣ᐌ⏙⋕⎆᱊ሣⱘ䆱䇋⫼䕃Ꮧᴤ᭭DŽ
Always clean the LCD panel with a soft cloth material.
8) ᔧ໘⧚䗚ব఼ⱘ㒓䏃៪䖲᥹ᯊˈ㽕ᇣᖗDŽ㒓䏃ⱘᤳണৃ㛑ᓩ䍋ⷁ䏃DŽ
Use care when handling the wires or connectors of the inverter circuit. Damaging the wires may cause a short.
9) ⫼ESDֱᡸ⎆᱊ሣҹܡᤳണ⬉ᄤ⬉䏃 (C-MOS)DŽ
Protect the panel from ESD to avoid damaging the electronic circuit (C-MOS).
10) ೼㓈ׂᳳ䯈ˈLCD ⎆᱊ሣ䴶ᳱϟⱘᚙމϟˈᓎ䆂ϡ㽕Ϟ⬉䍙䖛ϔᇣᯊ៪㗕࣪ᳳ䯈DŽ
It is recommended not to exceed 1 hour of Power-On nor Burn-in period with LCD panel face down condition, in repair activity.
䄺Ϣ⊼ᛣџ乍
(WARNINGS AND CAUTIONS)