1.1 6/2016 Add Main Board Replacement Caution Guide at slide 17
Add Power Board Replacement Caution Guide at slide 18
Update LVDS cable picture at slid e 20
Add Himeron Countermeasure at slide 28~33
Update tape location at s li de 4 0
Update SW version at slide 44, 46
Add Assembly Parts at slide 50~55
1.2 8/2016 Add LA1 model
1.3 9/2016 Add LGD panel model power board P/N at slide 13
Add LGD panel P/N at slide 14
Add Select Panel Type at slide 56
1.4 9/2016 Renew the description to Stand Bracket at slide 14
LCD Digital Color TV
9-888-710-05
MODEL LIST
MODEL COLOR COMMANDER DEST.
KDL-55W650D Black RMT-TX102U UC2
KDL-55W650D Black RMT-TX102U LA1
MODEL COLOR COMMANDER DEST.
KDL-55W650D UC2/LA1
2
Table of content
Description Page
WARNINGS AND CAUTIONS………………………………………… 4
USE CAUTION WHEN HANDLING THE LCD PANEL…………… 5
SAFETY CHECK-OUT………………………………………………… 6
SELF DIAGNOSIS FUNCTION……………………………………… 8
SERVICE POSITION…………………………………………………… 9
SEC 1. DISASSEMBLY AND PARTS LIST…………………………… 10
1-1. KDL-55W650D …………………………………………………… 11
1-1-1. BASE STAND……………………………………………… 11
1-1-2. REAR COVER ……………………………………………… 12
1-1-3. POWER BOARD, A BOARD AND SPEAKER ………… 13
1-1-4. LCD PANEL, DECO and COVER, BOTTOM ………… 14
1-1-5. MISCELLANEOUS………………………………………… 15
1-2. How to disassemble rear cover [KDL-55W650D]…………….. 16
1-3. Main Board Replacement Caution Guide [KDL-55W650D]……. 17
1-4. Power Board Replacement Caution Guide [KDL-55W650D]…… 18
1-5. How to disassemble Deco………………………………….………… 19
1-5-1. How to disassemble Deco [KDL-55W650D]……………. 19
1-6. How to disassemble LVDS cable [KDL-55W650D]…………… 20
1-6-1. How to disassemble LVDS cable [KDL-55W650D]……… 20
1-7. How to disassemble IR Board[KDL-55W650D ]………………. 22
1-8. How to ass’y the LED lens [KDL-55W650D]…………………. 23
1-9. How to ass’y the KEY Board[KDL-55W650D]………………… 24
1-10. How to disassembly the Front bezel[KDL-55W650D]………… 25
1-11. How to ass’y the Front bezel[KDL-55W650D]……………………27
1-12 Himeron Countermeasure on panel[KDL-55W650D]…………….28
SEC 2. ADJUSTMENT…………………………………………………….. 34
KDL-55W650D UC2/LA1
Description Page
SEC 3. DIAGRAMS AND CHASSIS STRUCTURE………………… 36
3-1. BLOCK DIAGRAM……………………………………………… 36
3-2. CONNECTOR DIAGRAM……………………………………… 37
3-3. CIRCUIT BOARDS LOCATION……………………………… 38
3-4. Tape location……………………………………………………… 40
APPENDIX-1 Trouble analysis flow…………………………………… 43
APPENDIX-2 Software data update…………………………………… 44
APPENDIX-3 Panel Operation Time………………………………….. 48
APPENDIX-4 Edit MODEL NAME and Serial Number…………… 49
APPENDIX-5 Assembly parts…………………………………………. 50
APPENDIX-6 Select Panel Type…………………………………………. 56
3
WARNINGS AND CAUTIONS - ENGLISH
CAUTION
These servicing instructions are for use by qualified service personnel only.
To reduce the ri sk o f el ec tr ic s hoc k, d o not per for m any s er vic ing other than tha t co nt aine d in the o p er at ing inst r ucti o ns unless you are qualified to do so.
WARNING!!
An isolation transformer should be used during any service to avoid possible shock hazard, because of live chassis.
The chassis of this receiver is directly connected to the ac power line.
CARRYING THE TV
Be sure to follow these guidelines to protect your property and avoid causing serious injury.
• Carry the TV with an adequate number of people; larger size TVs require two or more people.
• Correct hand placement while carrying the TV is very important for safety and to avoid damages.
SAFETY-RELATED COMPONENT WARNING!!
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-55W650D UC2/LA1
4
USE CAUTION WHEN HANDLING THE L CD PANEL
When repair ing t he LCD p a nel , b e sure you ar e gro und ed b y using a wrist b and .
When repair ing t he LCD p a nel on the wall , the LCD panel must be secured us ing the 4 mounting holes on the re ar c ove r .
1) Do not press on the panel or frame edge to avoid the risk of electric shock.
2) Do not scratch or press on the panel with any sharp objects.
3) Do not leave the module in high temper ature s or in areas of high humidity for an extende d pe rio d of time.
4) Do not expose the LCD panel to direct sunlight.
5) Avoid contact with water. It may cause a short circuit within the module.
6) Always clean the LCD panel with a soft cloth material.
7) Use care when handling the wires or connectors of the inverter circuit. Damaging the wires may cause a short.
8) Protect the panel from ESD to avoid damaging the electronic circuit (C-MOS).
9)It is recommended not to exceed 1 hour of Power-On nor Burn-in period with LCD panel face down condition, in repair activity.
10)Disconnect the AC power when replacing the parts.(FFC cable etc.).
WARNINGS AND CAUTIONS
KDL-55W650D UC2/LA1
5
SAFETY CHECK-OUT
After correcting the original service problem, perform the following safety checks before releasing the set to the customer:
1. Check the area of your repair for unsoldered or poorly soldered connections. Check the entire board surface for solder splashes and bridges.
2. Check the interboard wiring to ensure that no wires are “pinched” o r touching high-wattage resistors.
3. Check that all control knobs, shields, covers, ground straps, and mounting hardware have been replaced. Be absolutely certain that you have replaced all the insulators.
4. Look for unauthorize d replacement parts, particularly transistors, tha t were installed during a p revious repair. Point them out to the customer and recommend their replacement.
5. Look for parts which, though functi oni ng, show obvio us si gns o f de te ri o ra tio n. P o int them out to the custo mer a nd r e co mmend their replacement.
6. Check the line cords for cracks and abrasion. Recommend the replacement of any such line cord to the customer.
7. Check the antenna terminals, metal trim, “metallized” knobs, screws, and all other exposed metal parts for AC leakage. Check leakage as described below.
8. For safety reasons, repairing the Power board and/or Inverter board is prohibited.
KDL-55W650D UC2/LA1
6
Leakage Test
(To protect electric shock when customer touch the terminal.)
Leakage current can be measured by V: Voltmeter o r oscillosc ope (r.m.s. or peak reading)
Stabilized power supply instrument and isolated voltage transformer:
Use too much current capacity and isolated v oltage transform er does not need to use stabilized power supply equipment
Specification of RMS volt meter: Input resistance > 1 Mohm, Input capacitance < 200 pF,
Frequency range: 15 Hz – 1MHz (Refer Figure 1). Isolated type volt -meter (FLUKE 8921A etc *1)
*1 Not use FLUKE 8920A that connected to protective earth by diode
# Leakage current of measurement instrument is less than 10μArms when under test equipment AC plug is
opened
# Set up the following condition and turn on the set.
Applied voltage: Nom inal input v oltage (Description on Nameplate)
# Measure the leakag e current between one phase conductor and neutral for term inal A and terminal B .
Read rms value, and then calculate to peak value PEAK VALUE =√2 RMS VALUE
Comply with the following requirement Class II equipment (2-pin plug): for each terminal, the w orst v alue of measurem ent must
not exceed AC 350uA peak). Note: including AC adaptor, AC adaptor/DC operated unit combination
How to Find a Good Earth Ground
A cold-water pipe is a guaranteed earth ground; the cover-plate retaining screw on m ost AC outlet boxes is also at earth g round.
If the retaining screw is to be used as your earth ground, verify that it is at ground by measuring the resistance between it and a
cold-water pipe with an ohmmeter. The reading should be zero ohms.
If a cold-water pipe is not accessible, connect a 60- to 100-watt trouble- light (not a neon lamp) between the hot side of the
receptacle and the retaining screw . Try both slots, if necessary, to locate the hot side on the line; the lamp should light at normal
brilliance if the screw is at ground potential (see Figure B).
SAFETY CHECK-OUT
KDL-55W650D UC2/LA1
7
SELF DIAGNOSIS FUNCTI ON
MAIN_POWER
AUD_ERR
PANEL_POWER_ERR
PANEL_I
BACKLIGHT_ERR
BE_I
TU_DEMOD
2Ccommunication monitoring.
This model support Self Diagnosis Function.
HOW TO ENTERING Self Diagnosis Display
1) standby mode
a. Turn on the main power switch to place this set in standby mode.
b. Press the butto ns o n the re mote c o mmande r as follows, a nd enter ing self diagnosis display.
2) power on mode
a. Turn on the main power switch to place this set in Power on mode.
b. Directly go to Self Diagnosis Display in Service Menu.
2C_COMM_ERR Detect Panel I2C Communication access error
Detect and observe backlight error
2C BE device I2C communication error detection.
Tuner & Demodulator
Tuner Detect signal monitoring.
8
SERVICE POSITION
As for this model, the bottom of rear cover is installed between the stand assy and the panel.
Therefore according to the following procedure when performing adjustment and operation check after the part replacement.
<KDL-55W650D >
1. Remove all screws on the Stand
to main unit (4 screws)
2. Remove all screws on the Rear Cover to
Bezel & Main Board & Bracket (23 screws)
4-595-220-01 SCREW +BVTP Q4X12 TYPE2 N-S, ODM(T)
3. Afte r removing rear cover , lie do wn the main unit
to a surface for foll o wing test/repair.
4-592-444-01 SCREW, +PSW M5X12
7-682-903-19 SCREW +PWH M3X6
4-595-222-01 SCREW +PWH M3X8 W7.5, ODM(T)
4-595-219-01 SCREW +BVTP Q3X8 TYPE2 N-S, ODM(T)
4-595-213-01 SCREW +K M3X6, ODM(T)
KDL-55W650D UC2/LA1
Attention: This photo is based on Sony criteria for appearing standing the
main unit after removing back cover and assembling the stand. But
considering mech an ical design of Taurus models and normal service
process, it is not recommended to keep main unit standing by this status
for repairin g/ t est ing at repair c en ter. Please pay attention for avoiding
possible scra t ch / d ef orm ation occurred.
Note: Remove rear cover, then assembl e the stand to main unit. This
will cause the stand with main unit fit closely, scratch or deformation
may occurred easily on the stand or bezel deco.
9
SEC 1. DISASSEMBLY AND PARTS LIST
• Items with no part number and no description are not stocked because they are seldom required for roution service.
• The construction parts of an assembled part are indicated with a collation number in the remark colum.
• Items marked " * " are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items.
KDL-55W650D UC2/LA1
10
REF. No .
PART No .DESCRIPTIONMARK
1A-2123-138-ASTAND A SSY
24-571-144-01 HANDLE
34-592-438-01 ST AND, NECK
1-1. KDL-55W650D
1-1-1. BASE STAND
DISASSEMBLY AND PARTS LIST
4-592-444-01 SCREW, +PSW M5X12
4-595-223-01 SCREW +PSW M6X22, ODM(T)
1
1
3
KDL-55W650D UC2/LA1
2
If want to disassemble the stand neck from the
stand ASSY, just remove the six screws.
11
REF. No . PART No .DESCRIPTIONMARK
44-592-418-21COVER, REAR (55)
5
4-593-164-01 LABEL, SIDE I/O
64-596-363-01LABEL, BACK I/ O
for UC2 model
274-688-308-01LABEL, BACK I/ O
for LA1 model
1-1. KDL-55W650D
1-1-2. REAR COVER
DISASSEMBLY AND PARTS LIST
4-595-220-01 SCREW +BVTP Q4X12 TYPE2 N-S, ODM(T)
7-682-903-19 SCREW +PWH M3X6
4-595-222-01 SCREW +PWH M3X8 W7.5, ODM(T)
4-595-219-01 SCREW +BVTP Q3X8 TYPE2 N-S, ODM(T)
4-595-213-01 SCREW +K M3X6, ODM(T)
4
KDL-55W650D LA1
27
6
KDL-55W650D UC2
KDL-55W650D UC2/LA1
5
12
REF. No . PART No.DESCRIPTIONMARK
71-895-965-11
MO UNTED P WB P OW E R UNITfor UC2 model BOE panel
1-897-087-11
MO UNTED P WB P OW E R UNIT LG Dfor UC2 model LGD panel
8
1-895-964-21M O UNTED PWB A
for UC2 model
1-897-053-11
M O UNTED PWB Afor LA1 model
9
1-895-956-11
M O UNTED PWB H
101-910-111-41
CONNECTOR ASSY 16P (MB-PSU)
11
1-910-111-44CONNECTOR ASSY 6P (M B-W iFi)
121-910-111-43
CONNECTOR ASSY (MB-IR-KEY)
131-910-111-42
CONNECTOR ASSY 4P (M B-SP)
14
1-910-111-45LVDS CA BLE (MB-Panel)
154-592-437-01
SHEET, INSULATION
164-593-163-01BRA CKET, SI DE I/ O
17
4-571-385-01BRACKET, PSU
181-859-187-11
LOUDSPEAKER (12W)
191-910-111-46FFC CABLE WITH TOP AL TAPE
201-895-957-11
M O UNTED PWB KEYAs sem bl y part
21
1-895-960-11WI-FI MODULE (WI TH ANTENNA)
224-592-421-01HOLDER, WIFI
1-1. KDL-55W650D
1-1-3. POWER BOARD, A BOARD AND SPEAKER
7
10
17
15
14
DISASSEMBLY AND PARTS LIST
11
21
16
13
18
8
KDL-55W650D UC2/LA1
9
19
4-595-216-01 SCREW +PSW 3X6 W6.5, ODM(T)
4-595-221-01 TAPPING +PWH 3X8 TYPE2 N-S, ODM(T)
18
9
4-595-218-01 SCREW +PSW 4X8, ODM(T)
2-580-592-01 SCREW, +PSW M3X8
4-595-214-01 SCREW +PWH 3X5, ODM(T)
12
20
21
22
13
REF. No. PART No.DESCRIPTIONMARK
23A-2123-136-ALCM ASSY ( 5 5) (BOE)
A-2178-977-ALCM ASSY (55) (LGD)for U C2 model LGD panel
244-592-433-01BR ACKET L, STAND
254-592-434-01BR ACKET R , ST AND
264-592-419-01
COVER, BOTTM (55)
1-1. KDL-55W650D
1-1-4. LCD PANEL, DECO and COVER, BOTTOM
23
DISASSEMBLY AND PARTS LIST
25
KDL-55W650D UC2/LA1
26
4-542-283-01 BOLT, M3
24
14
PART No.
DESCRIPTIONMARK
1-492-980-21
REMO TE COMMANDER (RMT-TX102U)
1-846-425-43
CORD SET, POWER-SUPPLY
1-1. KDL-55W650D
1-1-5. MISCELLANEOUS
DISASSEMBLY AND PARTS LIST
KDL-55W650D UC2/LA1
15
1-2. How to disassemble rear cover [KDL-55W650D]
PROCEDURE TO REMOVAL OF REAR COVER
1. Remove all screws on Rear Cover and AC Cover.
2. Open Rear Cover in order as below.
Hold the panel from the middle of beze l, and lif t rea r cove r in the dire ction of the arrow.
KDL-55W650D UC2/LA1
16
1-3. Main Board Replacement Caution Guide[KDL-55W650D UC2/LA1]
1-3-1. Factory mode optional bit check and manual adjustment step [KDL-55W650D UC2/LA1]
1. Enter Factory Me nu:
Press “home + 1999 + return” key to enter the factory menu. SW version can be saw in item 2, just like the below picture.
2. Check Region item (item 15)
Please check T V set s/n and set the Region item correctly
If TV s/n is 4,000,001-4,300,000 , please ensure the item set to “U.S ”. Others s/n case, please ensure the item set to “MX”.
3. Exiting Factory Menu:
Press the remote control key “ ” to choose item 31, and then press rem ote control key “OK ” to exit factory menu.
SW Version
Make sure the region option is in
right setting after main board
replacement.
Caution: This adjustment step for region is mandatory check item after main board replacement.
Other items should be kept the original setting.
KDL-55W650D UC2/LA1
17
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