Sony KLV-40X450A, KLV-46X450A, KLV-55X450A Service Manual

SERVICE MANUAL
10/30/2018
Digitized in Heiloo the Netherlands
Not for sale!
EG1H
CHASSIS
MODEL
KLV-40X450A KLV-46X450A KLV-55X450A
RM-GA014
RM-GA014
RM-GA014
DEST.
E
E
E
MODEL
KLV-40X450A KLV-46X450A KLV-55X450A
RM-GA014
RM-GA014
RM-GA014
DEST.
GE
GE
GE
RM-GA014 KLV-40X450A/46X450A/55X450A
LCD Colour TV

SPECIFICATIONS

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Model name KLV-40X450A KLV-46X450A KLV-55X450A
System
Panel system
TV system
Colour/video system
Channel coverage
Sound output
Input/Output jacks
Antenna
1
1, 2, 3
1, 2
1, 2, 3
HDMI IN1, 2, 3, 4
PC IN (RGB)
DMPORT
LAN
Power and others
Power requirements
Screen size (measured diagonally)
Display resolution
Power consumption
Standby power consumption*
Dimensions (Approx.)
× h × d)
(w
Mass (Approx.) with Table-Top Stand
in “Home”/“Standard” mode
in “Shop”/“Vivid” mode
with Table-Top Stand
without Table-Top Stand
without Table-Top Stand
LCD (Liquid Crystal Display) Panel
B/G, I, D/K, M
PAL, PAL60 (only video input), SECAM, NTSC 3.58, NTSC 4.43 (only video input)
B/G:VHF: E2 to E12/ UHF: E21 to E69/ CATV: S01 to S03, S1 to S41
VHF: 0 to 12, 5A, 9A/ UHF: 28 to 69/ CATV: S01 to S03, S1 to S44 (Australia only)
VHF: 1 to 11/ UHF: 21 to 69/ CATV: S01 to S03, S1 to S41 (New Zealand only) I: UHF: B21 to B69/ CATV: S01 to S03, S1 to S41 D/K:VHF: C1 to C12, R1 to R12/ UHF: C13 to C57, R21 to R60/ CATV: S01 to S03, S1
to S41, Z1 to Z39 M: VHF: A2 to A13/ UHF: A14 to A79/ CATV: A-8 to A-2, A to W+4, W+6 to W+84
10 W + 10 W, 12 W + 12W (Woofer)
75 ohm external terminal for VHF/UHF
S video input (4-pin mini DIN)
Video input (phono jacks)
Supported formats: 1080p, 1080i, 720p, 576p, 576i, 480p, 480i Y: 1 Vp-p, 75 ohms, 0.3V negative sync/P P
R/CR: 0.7 Vp-p, 75 ohms
Audio input (phono jacks)
Video: 1080/24p, 1080p, 1080i, 720p, 576p, 576i, 480p, 480i Audio: Two channel linear PCM: 32, 44.1 and 48 kHz, 16, 20 and 24 bits Analogue audio input (minijack) (HDMI IN 1 only) PC Input
Audio output (phono jacks)
PC Input (D-sub 15-pin) G: 0.7 Vp-p, 75 ohms, non Sync on Green/B: 0.7 Vp-p, 75 ohms/ R: 0.7 Vp-p, 75 ohms/HD: 1-5 Vp-p/VD: 1-5 Vp-p
PC audio input (minijack)
DIGITAL MEDIA PORT
USB port
Headphones jack
10BASE-T/100BASE-TX connector (Depending on the operating environment of the network, connection speed may differ. 10BASE-T/100BASE-TX communication rate and communication quality is not guaranteed for this TV.)
110 - 240V AC, 50/60 Hz
40 inches (Approx.
101.6cm)
1,920 dots (horizontal) × 1,080 lines (vertical)
210 W 270 W 370 W
230 W 350 W 480 W
0.2 W (19 W when “Quick Start” is set to “On”) Start” is set to “On”) Start” is set to “On”)
1,128 × 655 × 279 mm 1,259 × 737 × 315 mm 1,486 × 855 × 356 mm
1,128 × 603 × 125 mm 1,259 × 685 × 144 mm 1,486 × 803 × 147 mm
27.0 kg 38.0 kg 54.0 kg
23.5 kg 33.0 kg 47.5 kg
46 inches (Approx. 116.8cm) 55 inches (Approx. 138.8cm)
0.5 W (20 W when “Quick
B/CB: 0.7 Vp-p, 75 ohms/
0.6 W (22 W when “Quick
KLV-40/46/55X450A (E, GE) 2
Model name KLV-40X450A KLV-46X450A KLV-55X450A
10/30/2018
Digitized in Heiloo the Netherlands
Not for sale!
Optional accessories
Wall-Mount Bracket
Colour Variation Unit
SU-WL500, SU-WL50B
CRU-40SG11 CRU-46SG11 CRU-55SG11
* Specified standby power is reached after the TV finishes necessary internal processes.
Design and specifications are subject to change without notice.
PC input signal reference chart for PC and HDMI In 1, 2, 3, 4
Resolution Signals Horizontal
VGA
SVGA
XGA
WXGA
SXGA
HDTV
(Pixel)
640 × 480 31.5 60 VGA
640 × 480 37.5 75 VESA
720 × 400 31.5 70 VGA-T
800 × 600 37.9 60 VESA Guidelines
800 × 600 46.9 75 VESA
1024 × 768 48.4 60 VESA Guidelines
1024 × 768 56.5 70 VESA
1024 × 768 60.0 75 VESA
1280 × 768 47.4 60 VESA
1280 × 768 47.8 60 VESA
1280 × 768 60.3 75
1360 × 768 47.7 60 VESA
1280 × 1024 64.0 60 VESA
1920 × 1080 67.5 60 CEA-861*
× Vertical
(Line)
Horizontal frequency (kHz)
Vertical frequency (Hz)
Standard
* 1080p timing when applied to the HDMI input will be treated as a video timing and not a PC timing. This
affects the “Video Settings” menu and “Screen” menu settings. To view PC contents, set “Game/Text Mode” to “On”, “Wide Mode” to “Full”, and “Display Area” to “Full Pixel”.
This TV’s PC input does not support Sync on Green or Composite Sync. This TV’s PC input does not support interlaced signals. For the best picture quality, it is recommended to use the signals (boldfaced) in the above chart with a 60 Hz vertical frequency.
KLV-40/46/55X450A (E, GE) 3
WARNINGS AND CAUTIONS SAFETY-RELATED COMPONENT
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Digitized in Heiloo the Netherlands
Not for sale!
CAUTION
These servicing instructions are for use by qualified service personnel only. 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.
WARNING!!
WARNING
It is essential that all critical parts be replaced only with the part number specified in the electrical parts list to prevent electric shock, fire, or other hazard.
NOTE: Do not modify the original design without obtaining
written permission from the manufacturer or you will void the original parts and labor guarantee.
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.
! SAFETY-RELATED COMPONENT
WARNING!!
Replace all components with Sony parts whose part numbers appear as shown in this manual or in supplements published by Sony.
USE CAUTION WHEN HANDLING THE LCD PANEL
When repairing the LCD panel, be sure you are grounded by using a wrist band.
When repairing the LCD panel on the wall, the LCD panel must be secured using the 4 mounting holes on the rear cover.
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 temperatures or in areas of high humidity for an extended period 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) Disconnect the AC power when replacing the backlight (CCFL) or inverter circuit. (High voltage occurs at the inverter circuit at 650Vrms.)
7) Always clean the LCD panel with a soft cloth material.
8) Use care when handling the wires or connectors of the inverter circuit. Damaging the wires may cause a short.
9) Protect the panel from ESD to avoid damaging the electronic circuit (C-MOS).
KLV-40/46/55X450A (E, GE) 4

SAFETY CHECK-OUT

l
t
µ
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AC
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t
Col
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.
10/30/2018
Digitized in Heiloo the Netherlands
Not for sale!
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” or 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 unauthorized replacement parts, particularly transistors, that were installed during a previous repair. Point them out to the customer and recommend their replacement.
5. Look for parts which, though functioning, show obvious signs of deterioration. Point them out to the customer and recommend 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.
Leakage Test
The AC leakage from any exposed metal part to earth ground and from all exposed metal parts to any exposed metal part having a return to chassis, must not exceed 0.5 mA (500 microamperes). Leakage current can be measured by any one of three methods.
1. A commercial leakage tester, such as the Simpson 229 or RCA WT-540A. Follow the manufacturers’ instructions to use these instructions.
2. A battery-operated AC milliampmeter. The Data Precision 245 digital multimeter is suitable for this job.
3. Measuring the voltage drop across a resistor by means of a VOM or battery-operated AC voltmeter. The “limit” indication is 0.75 V, so analog meters must have an accurate low voltage scale. The Simpson’s 250 and Sanwa SH-63TRD are examples of passive VOMs that are suitable. Nearly all battery-operated digital multimeters that have a 2 VAC range are suitable (see Figure A).
How to Find a Good Earth Ground
A cold-water pipe is a guaranteed earth ground; the cover-plate retaining screw on most AC outlet boxes is also at earth ground. 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).
Exposed Meta
Parts on Se
ouble Ligh
AC Outlet Box
.15
0.75V
Earth Groun
Ohmmeter
FigureA. Using an AC voltmeter to check AC leakage. Figure B. Checking for earth ground
d-water Pi
KLV-40/46/55X450A (E, GE) 5

SELF DIAGNOSIS FUNCTION

10/30/2018
Digitized in Heiloo the Netherlands
Not for sale!
The units in this manual contain a self-diagnostic function. If an error occurs, the STANDBY LED will automatically begin to flash. The number of times the LED flashes translates to a probable source of the problem. A definition of the STANDBY LED flash indicators is listed in the instruction manual for the user’s knowledge and reference. If an error symptom cannot be reproduced, the remote commander can be used to review the failure occurrence data stored in memory to reveal past problems and how often these problems occur.
DIAGNOSTIC TEST INDICATORS
When an error occurs, the STANDBY LED will flash a set number of times to indicate the possible cause of the problem. If there is more than one error, the LED will identify the first of the problem areas. Result for all of the following diagnostic items are displayed on screen. If the screen displays a “0”, no error has occurred .
Number of times STANDBY Monitoring Items LED (Red) flashes (Screen Display)
2 times POW_ERR1 AAS Board IC2104
79pin: i_lb_err (AD port) < PW_ERR_LEV (Threshold Value) and 138pin: i_ac_off_det: HIGH
5 times T_CON FBA Board IC5501
1128Pin: TCON_RDY: Low or 2Detected Error of Cayenne Register
6 times BACKLITE FBA Board IC5501
78Pin: INV_FAIL: LOW
7 times PANLTEMP FBA Board IC5501
IIC_ch2 setting value (BEM data)
8 times AUD_PROT AAS Board IC2104
19pin: i_au_prot: Low
9 times FAN_ERR FBA Board IC5501
pin154: FAN_ERR: High
13 times BALANCER FBA Board IC5501
1163pin: BALANCER_ERR: LOW or 2SPI_ERR_CNT (SetSREG) >= SPI_ERR_LIM (FactSREG)
Detection
DISPLAY OF STANDBY LIGHT FLASH COUNT
[ FLASH COUNT ]
2 times
4 times
5 times
LED ON 0.3 sec.
LED OFF 0.3 sec.
Note: One flash counts is not self-diagnostic.
STANDBY LED
LED OFF
2 sec.
STOPPING THE STANDBY FLASH
Turn off the power switch on the TV main unit or unplug the power cord from the outlet to stop the STANDBY LED for flashing.
KLV-40/46/55X450A (E, GE) 6
SELF-DIAGNOSTIC SCREEN DISPLAY
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Digitized in Heiloo the Netherlands
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For errors with symptoms such as “power sometimes shuts off” or “screen sometimes goes out” that cannot be confirmed, it is possible to bring up past occurrences of failure for confirmation on the screen:
[To Bring Up Screen Test]
In standby mode, press buttons on the remote commander sequentially in rapid succession as shown below:
5
( Info/Text reveal )
( Number button )
* ( Volume ) ( TV standby )
* : Note that this differs from entering the service mode (volume +)
[ SELF-DIAGNOSTIC SCREEN DISPLAY ]
SELF CHECK
002 POW_ERR1
005 T_CON 006 BACKLITE 007 PANL TEMP 008 AUD_PROT 009 FAN_ERR 013 BALANCER
12345 - 00333 - 06789
0501210811 0412311234 0311111825 00
0000000000 0000000000 0000000000 00 0000000000 0000000000 0000000000 00 0000000000 0000000000 0000000000 00 0000000000 0000000000 0000000000 00 0000000000 0000000000 0000000000 00 0000000000 0000000000 0000000000 00
Panel operation time by hour (max 99999) Boot count (max 99999)
Total operation time by hour (max 99999)
The last failure time Falure time before last
Last failure time beforehand
Error count (00-99)
Item name Frequency of LED blinking.
Since the diagnostic results displayed on the screen are not automatically cleared, always check the self-diagnostic screen After you have completed the repairs, clear the result display to “0”.
Clearing the result display
To clear the result display to “0”, press button on the remote commander sequentially as shown below when the diagnostic screen is being
displayed.
<Delection of Error Count and Error History>
Press “8” button , Press “-” button
<Delection of Panel Operation Time>
Press “7” button , Press “-” button
Quitting Self-diagnostic screen
To quit the entire self-diagnostic screen, turn off the power switch on the remote commander or the main unit.
KLV-40/46/55X450A (E, GE) 7

TABLE OF CONTENTS

10/30/2018
Digitized in Heiloo the Netherlands
Not for sale!
SPECIFICATIONS .................................................... 2
SELF DIAGNOSIS FUNCTION ................................ 6
TROUBLESHOOTING ............................................. 9
TRIAGE CHART ............................................................. 9
TROUBLE SHOOTING FLOW CHART ..................... 10
1. NO POWER (Ch a r t B) ............................................ 11
2. SET REBOOTS .......................................................... 12
3. SELF DIAGNOSIS ..................................................... 12
3-1. RED LED BLINKS TABLE ............................. 12
3-2. RED LED BLINKS (Chart C) ........................... 12
4. AUDIO PROBLEM (Chart D) ................................... 17
5. VIDEO PROBLOM (Chart E) ................................... 18
6. NO PICTURE ............................................................. 19
BLOCK DIAGRAMS............................................... 25
SPARE PARTS LIST ............................................. 26
KLV-40X450A ............................................................... 26
KLV-46X450A ............................................................... 27
KLV-55X450A ............................................................... 28
PACKING MATERIAL ............................................ 29
KLV-40X450A ............................................................... 29
KLV-46X450A ............................................................... 30
KLV-55X450A ............................................................... 31
KLV-40/46/55X450A (E, GE) 8

TROUBLESHOOTING

10/30/2018
Digitized in Heiloo the Netherlands
Not for sale!

TRIAGE CHART

Symptoms - (dead set) Video - distorted or missing
Reference
AGA Board FBA Board CB1 Board (46"/55") H1VM Board H3VM Board H4 Board K2 Board Touch Sensor Module G6 board / G7 board (55") GL Board (46"/55") D4 Board (40") Panel Module LVDS cable between FBA board and CB1 board Joint connector of AGA boars and FBA board Flowchart Reference CCCCCCCB E E E E E D
Problem Low B+ T-CON BL Temp Audio FAN Balancer
25678913No
Blinks Blinks Blinks Blinks Blinks Blinks Blinks Power
No Video
BL OK
OSD OK No OSD
No Video
No BL
No Video
BL OK
No Tuner No
Video
No HDMI
Audio
: Doubtful part : just a few possibility
KLV-40/46/55X450A (E, GE) 9
Trouble
YES
Set Power
NO
Self diagnosis
See
1. No Power (Chart B)
YES
See
3. Self Diagnosis (Chart C)
NO
See
4. Audio Problem (Chart D)
See
5. Video problem (Chart E)
Audio
Video
YES
Set Reboots-
NO
See
2. Set Reboots
10/30/2018
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TROUBLE SHOOTING FLOW CHART

KLV-40/46/55X450A (E, GE) 10
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