Sony WEGA KLV-S19A10 User manual

Ver. DATA CONTENTS
1.0 2005. 3 New
1.1 2005. 4 Addition of WARNING AND CAUTIONS (P. 3)
Section1. SELF-DIAGNOSIS FUNCTION
Changed. Description of LED indicators. (P. 1-1)
Changed. LED control. (P. 1-1)
Changed. Diagnosiss iitems based on blinking patterns. (P. 1-2)
Section2. DISASSEMBLY Revised entirely. (P. 2-1)
Section3. SERVICE MODE Changed in 3-1. (P. 3-1)
Section5. EXPLODE VIEWS
Changed. (P. 5-2, P. 5-3, P. 5-4, P. 5-6, P. 5-8, P. 5-9, P. 5-10, P. 5-11,
P. 5-12, P. 5-13)
Parts added in 5-1-6. (P. 5-7)
Section6. ELECTRICAL PARTS LIST
Changed. (P. 6-26)
MODEL NAME : KLV-S19A10/S23A10
SERVICEMANUAL
PARTS No. : 9-878-329-02
MODIFICATION HISTORY
* Blue characters are linking.

SERVICE MANUAL
SPECIFICATIONS
WAX CHASSIS
KLV-S19A10/S23A10
FLAT PANEL COLOR TV
US Model
Canadian Model
KLV-S19A10 KLV-S23A10
Television system:
American TV standard
Channel coverage:
VHF: 2-13/UHF: 14-69/CATV: 1-125
Antenna:
75-ohm external terminal for VHF/UHF
Screen size (measured diagonally):
KLV-S19A10: 19 inches
KLV-S23A10: 23 inches
Panel System:
LCD (Liquid Crystal Display) Panel
Display resolution (horizontal × vertical):
KLV-S19A10: 1,280 dots × 768 lines
KLV-S23A10: 1,366 dots × 768 lines
VIDEO IN 1/2/3:
S VIDEO (4-pin mini DIN):
Y: 1.0 Vp-p, 75 ohms unbalanced, sync
negative
C: 0.286 Vp-p (Burst signal), 75 ohms
VIDEO: 1 Vp-p, 75 ohms unbalanced, sync negative
AUDIO: 500 mVrms (100% modulation)
Impedance: 47 kilohms
HD/DVD IN 4:
YP B P R (Component Video):
Y: 1.0 Vp-p, 75 ohms unbalanced, sync
negative
P
B :0.7 Vp-p, 75 ohms
P
R :0.7 Vp-p, 75 ohms
Signal format: 480i, 480p, 720p, 1080i
AUDIO: 500 mVrms (100% modulation)
500 mVrms (100% modulation)
500 mVrms (100% modulation)
Impedance: 47 kilohms
Impedance: 47 kilohms
HDMI IN 5:
HDMI: Video:480i, 480p, 720p, 1080i
Audio:Two channel linear PCM 32, 44.1
and 48 kHz, 16, 20 and 24 bits
AUDIO:
AUDIO OUT:
More than 1 Vrms at the maximum volume setting (Variable)
More than 500 mVrms (Fixed)
PC IN 6:
D-sub 15-pin, analog RGB, 0.7 Vp-p, 75 ohms, positive
PC AUDIO INPUT:
Stereo mini jack, 0.5 Vrms, 1 kilohm
Headphones:
Stereo mini jack
Impedance: 16 ohms

KLV-S19A10/S23A10 (UC) 2
Speaker:
Full range: 4 × 10 cm (15 7/8× 39 3/8inches) (2)
Speaker output:
5 W + 5 W
Power requirement:
KLV-S23A10: 120-240 V AC, 50/60 Hz
KLV-S19A10: 18 V DC, with AC power adaptor
AC power adaptor for KLV-S19A10:
Model name: AC-FD008
Rating: Input AC 100 V-240 V
50/60 Hz, 128 W
Output DC 18 V 6.11 A
Power consumption:
In use: KLV-S19A10: 95 W
KLV-S19A10: Less than 1.3 W
KLV-S23A10: Less than 1 W
KLV-S23A10: 110 W
In standby:
Dimensions (W/H/D):
KLV-S19A10: (with stand) 468 ×402× 218 mm
(18 1/2× 15 7/8× 8 5/8inches)
(18 1/2× 14 3/8× 3 3/8inches)
(without stand) 468 × 364 × 84 mm
KLV-S23A10: (with stand) 566 ×448× 218 mm
(22 3/8× 17 3/4× 8 5/8inches)
(22 3/8× 16 1/4× 3 5/8inches)
(without stand) 566 × 411 × 89 mm
Mass:
KLV-S19A10: (with stand) 9.9 kg (21 lb. 14 oz.)
(without stand) 6.3 kg (13 lb. 15 oz.)
KLV-S23A10: (with stand) 12.3 kg (27 lb. 2 oz.)
(without stand) 8.7 kg (19 lb. 3 oz.)
Supplied accessories:
Remote control RM-YA001 (1)
Size AA batteries (2)
75-ohm coaxial cable (1)
AC power cord (1)
AC power adaptor (1) (KLV-S19A10 only)
HD15-HD15 cable (1)
Support belt (1), securing screw (1) and wood screw (1)
Operating Instructions (1)
Quick Setup Guide (1)
Leaflet (Installing the Wall-Mount Bracket to the TV) (1)
Warranty Card (1)
Optional accessories:
Headphones plug adaptor
Connecting cables
Wall-Mount Bracket SU-WL11 (KLV-S19A10)
SU-LW1 (KLV-S23A10)
Design and specifications are subject to change
without notice.
Optional accessories’ availability may
depend on its stock.

KLV-S19A10/S23A10 (UC) 3
WARNINGS AND CAUTIONS

KLV-S19A10/S23A10 (UC) 4
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-sol-
dered connections. Check the entire board surface for solder
splashes and bridges.
2. Check the interboard wiring to ensure that no wires are
“pinched” or contact high-wattage resistors.
3. Check that all control knobs, shields, covers, ground straps,
and mounting hardware have been replaced. Be absolutely cer-
tain that you have replaced all the insulators.
4. Look for unauthorized replacement parts, particularly transis-
tors, 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 recom-
mend 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 right.
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. Acommercial leakage tester, such as the Simpson 229 or RCA
WT-540A. Follow the manufacturers’instructions to use these
instruments.
2. A battery-operated AC milliammeter. 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” indica-
tion is 0.75 V, so analog meters must have an accurate low-
voltage scale. The Simpson 250 and Sanwa SH-63Trd are ex-
amples of a passive VOMs that are suitable. Nearly all battery
operated digital multimeters that have a 2 VAC range are suit-
able. (See Fig. A)
Fig. A. Using an AC voltmeter to check AC leakage.
1.5 k Ω 0.15 µFAC
Voltmeter
(0.75 V)
To Exposed Metal
Parts on Set
Earth Ground
WARNING!!
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 PUB-
LISHED BY SONY. CIRCUIT ADJUSTMENTS THAT ARE
CRITICAL FOR SAFE OPERATION ARE IDENTIFIED IN
THIS MANUAL. FOLLOW THESE PROCEDURES WHEN-
EVER CRITICAL COMPONENTS ARE REPLACED OR
IMPROPER OPERATION IS SUSPECTED.
AVERTISSEMENT!!
ATTENTION AUX COMPOSANTS RELATIFS À LA
SÉCURITÉ!!
LES COMPOSANTS IDENTIFIÉS PAR UNE TRAME ET
UNE MARQUE ! SONT CRITIQUES POUR LA
SÉCURITÉ. NE LES REMPLACER QUE PAR UNE
PIÈCE PORTANT LE NUMÉRO SPECIFIÉ. LES
RÉGLAGES DE CIRCUIT DONT L’IMPORTANCE EST
CRITIQUE POUR LA SÉCURITÉ DU
FONCTIONNEMENT SONT IDENTIFIÉS DANS LE
PRÉSENT MANUEL. SUIVRE CES PROCÉDURES
LORS DE CHAQUE REMPLACEMENT DE
COMPOSANTS CRITIQUES, OU LORSQU’UN MAUVAIS
FONCTIONNEMENT EST SUSPECTÉ.

KLV-S19A10/S23A10 (UC) 5
TABLE OF CONTENTS
1. SELF-DIAGNOSIS FUNCTION .................... 1-1
1-1. CONTROL BUTTONS...................................... 1-1
1-2. LED BLINKING PATTERNS AND
MONITORING ITEMS ..................................... 1-2
2. DISASSEMBLY ............................................ 2-1
2-1. KLV-S19A10 ..................................................... 2-1
2-1-1. STAND ASSY REMOVAL .......................... 2-1
2-1-2. REAR CABINET ASSY REMOVAL .......... 2-1
2-1-3. H1 BOARD REMOVAL ............................... 2-2
2-1-4. VESA BRACKET, SIDE BRACKET ASSY
AND S1 SHEILD TOP REMOVAL ............. 2-2
2-1-5. A1U BOARD AND SIDE JACK HOLDER
ASSY REMOVAL......................................... 2-3
2-1-6. P BOARD REMOVAL.................................. 2-3
2-1-7. TU BOARD REMOVAL .............................. 2-4
2-1-8. B BOARD REMOVAL ................................. 2-4
2-1-9. H3 BOARD AND SPEAKER REMOVAL
........................................................................ 2-5
2-1-10. LCD PANEL REMOVAL ............................. 2-6
2-2. KLV-S23A10 ..................................................... 2-7
2-2-1. STAND ASSY REMOVAL .......................... 2-7
2-2-2. REAR CABINET REMOVAL...................... 2-7
2-2-3. H1 BOARD REMOVAL ............................... 2-8
2-2-4. PLATE BRIDGE ASSY AND ARM (L), (R)
REMOVAL .................................................... 2-8
2-2-5. S1 SHEILD TOP, SIDE BRACKET ASSY
AND BOTTOM BRACKET REMOVAL .... 2-9
2-2-6. G1 AND H2 BOARDS REMOVAL ............. 2-9
2-2-7. A2U BOARD REMOVAL ............................ 2-10
2-2-8. P AND TU BOARDS REMOVAL ............... 2-10
2-2-9. B BOARD REMOVAL ................................. 2-11
2-2-10. H3 BOARD AND SPEAKER REMOVAL
........................................................................ 2-11
2-2-11. LCD PANEL REMOVAL ............................. 2-12
3. SERVICE MODE........................................... 3-1
3-1. DISPLAYING SERVICE MENU ..................... 3-1
3-2. ADJUSTMENT USING THE SERVICE MENU
............................................................................ 3-1
4. DIAGRAMS................................................... 4-1
4-1. BLOCK DIAGRAMS ........................................ 4-1
(1) A1U (1/2) and TU boards
(KLV-S19A10 Only) ..................................... 4-1
(2) A1U (2/2) board (KLV-S19A10 Only) ......... 4-2
(3) A2U (1/2), TU and H2 boards
(KLV-S23A10 Only) ..................................... 4-3
(4) A2U (2/2) board (KLV-S23A10 Only) ......... 4-4
(5) B, H1and H3 boards....................................... 4-5
(6) G1 board (KLV-S23A10 Only) ..................... 4-6
(7) P board ........................................................... 4-7
4-2. FRAME DIAGRAMS ........................................ 4-8
4-2-1. KLV-S19A10 ................................................. 4-8
4-2-2. KLV-S23A10 ................................................. 4-9
4-3. CIRCUIT BOARDS LOCATION ..................... 4-10
4-3-1. KLV-S19A10 ................................................. 4-10
4-3-2. KLV-S23A10 ................................................. 4-10
4-4. SCHEMATIC DIAGRAMS AND PRINTED
WIRING BOARDS ........................................... 4-10
(1) Schematic Diagrams of A1U Board
(KLV-S19A10 Only) ..................................... 4-11
(2) Schematic Diagrams of A2U Board
(KLV-S23A10 Only) ..................................... 4-17
(3) Schematic Diagram of G1 Board
(KLV-S23A10 Only) ..................................... 4-23
(4) Schematic Diagram of H1 and H2 Boards
(H2:KLV-S23A10 Only) ............................... 4-25
(5) Schematic Diagram of H3 Board .................. 4-26
(6) Schematic Diagram of TU Board .................. 4-27
(7) Schematic Diagram of P Board ..................... 4-28
4-5. SEMICONDUCTORS ....................................... 4-30
5. EXPLODED VIEWS ...................................... 5-1
5-1. KLV-S19A10 ..................................................... 5-2
5-1-1. REAR CABINET ASSY AND STAND ASSY
........................................................................ 5-2
5-1-2. CHASSIS-1 ...................................................... 5-3
5-1-3. CHASSIS-2 ...................................................... 5-4
5-1-4. CHASSIS-3 ...................................................... 5-5
5-1-5. LCD PANEL .................................................... 5-6
5-1-6. PACKING MATERIALS ................................ 5-7
5-2. KLV-S23A10 ..................................................... 5-8
5-2-1. REAR CABINET ASSY AND STAND ASSY
........................................................................ 5-8
5-2-2. CHASSIS-1 ...................................................... 5-9
5-2-3. CHASSIS-2 ...................................................... 5-10
5-2-4. CHASSIS-3 ...................................................... 5-11
5-2-5. CHASSIS-4 ...................................................... 5-12
5-2-6. LCD PANEL .................................................... 5-13
5-2-7. PACKING MATERIALS ................................ 5-14
6. ELECTRICAL PARTS LIST ........................ 6-1

KLV-S19A10/S23A10 (UC) 1-1
SECTION 1
SELF-DIAGNOSIS FUNCTION
1-1. CONTROL BUTTONS
(1) POWER
TOP PANEL BUTTON
(2) CHANNEL +
(4) VOLUME +(3) CHANNEL -
(5) VOLUME -
(6) TV/VIDEO
(7) WEGA GATE
(8) ENTER
(1) POWER
FRONT PANEL LED
(2) TIMER
(3) PIC OFF
•Description of LED indicators
LED LED type Description
POWER LED Red/green LED Lights green while the TV set is powered on.
Lights red during recording.
Lights during timer recording.
Also functions as an aging failure indicator.
TIMER LED Red LED Lights during standby mode.
Also functions as an aging failure indicator.
PIC OFF LED Red/green LED Lights when timer is set.
Lights while no picture is displayed.
Blinks during communication.
With respect to communication, this LED is controlled by the main microcomputer
in response to blinking/lighting instructions from the DTT module.
•LED control
Remarks
This status is made by power off with the power switch or remote control.
Standby state does not exist in WAX-U/C.
However, the microcomputer enters into the sleep mode.
Microcomputer works normally.
Failure causes are classified by number of red blinking times.
Aging time is classified by green blinking method.
No display (black screen).
When OFF TIMER is set during power-on.
When OFF TIMER is set with black screen.
When ON TIMER is set during power-off.
When ON TIMER is set during power-on.
When ON TIMER is set with black screen.
Status
Power Off
Power On
Failure
Aging
Picture OFF
OFF Timer
ON Timer
Power LED
Off
Lights green
Blinks red
Blinks green
Lights green
Lights green
Lights green
Off
Lights green
Lights green
Picture Off LED
Off
Off
Off
Off
Lights green
Off
Lights green
Off
Off
Lights green
Timer LED
Off
Off
Off
Off
Off
Lights red
Lights red
Lights red
Lights red
Lights red

KLV-S19A10/S23A10 (UC) 1-2E
1-2. LED BLINKING PATTERNS AND MONITORING ITEMS
(1) The following table shows LED blinking patterns to be used for reporting causes in the case of safety shutdown.
(2) Since the TV set is provided with many failure items, causes of shutdown can be identified by the following blinking patterns.
•Diagnosis items based on blinking patterns
Number of TIMER LED Monitoring item
blinking times
Once Abnormal AU power voltage (DCALERT 3)
Twice Abnormal D5V/A9V voltage (DCALERT 2)
3 times Abnormal panel/HFE voltage (DCALERT 1)
4 times Backlight failure
5 times Abnormal main power voltage
6 times Abnormal speaker voltage
7 times Internal temperature rise (mainly on the panel side)
8 times Trident IC failure

KLV-S19A10/S23A10 (UC) 2-1
2-1. KLV-S19A10
2-1-1. STAND ASSY REMOVAL
SECTION 2
DISASSEMBLY
KLV-S19A10
2-1-2. REAR CABINET ASSY REMOVAL
1Six screws
(+B M4X6)
2One screw
(+BVTP 3X10)
3Rear cabinet assy (19U)
1Two screws
(+B M4X6)
3Four screws
(+PSW 4X12)
4Stand assy (S)
2Hinge cover (19)

KLV-S19A10/S23A10 (UC) 2-2
KLV-S19A10
2-1-3. H1 BOARD REMOVAL
KLV-S19A10
2-1-4. VESA BRACKET, SIDE BRACKET ASSY AND S1 SHEILD TOP REMOVAL
1Two screws
(+BVTT 3X6)
3Three screws
(B2)
2Button block assy
4Button shield
5H1 board
1Two screws
(+B M4X6)
2Four screws
(+BVTP 4X12)
3VESA bracket (19)
Connector assy
4Two screws
(+BVTT 3X6)
5Side bracket assy (U)
6Five screws
(+BVTT 3X6)
7S1 top shield (UL)

KLV-S19A10/S23A10 (UC) 2-3
KLV-S19A10
2-1-5. A1U BOARD AND SIDE JACK HOLDER ASSY REMOVAL
KLV-S19A10
2-1-6. P BOARD REMOVAL
3P board
1One screw
(+BVTT 3X6)
2One screw
(+B 3X4 WITH SCOTCHGRIP )
1Two screws
(+BVTT 3X6)
2Side jack holder assy
3Eight screws
(+BVTT 3X6)
4A1U board

KLV-S19A10/S23A10 (UC) 2-4
KLV-S19A10
2-1-7. TU BOARD REMOVAL
KLV-S19A10
2-1-8. B BOARD REMOVAL
4Two screws
(+BVTT 3X6)
5TU board
6Connection cord
1Two screws
(+BVTT 3X6)
3Bottom bracket assy (19U)
2Nut with washer
2Five screws
(+BVTT 3X6)
3B board
1Two screws
(HEX)
4Connector
assy 50P
5One screw
(+BVTT 3X6)
6S1 main shield (U)

KLV-S19A10/S23A10 (UC) 2-5
KLV-S19A10
2-1-9. H3 BOARD AND SPEAKER REMOVAL
1Four screws
(+BVTP 4X12)
3Four screws
(+BVTP 4X12)
5One screw
(+BVTP 3X10)
2Speaker
4Speaker
6H3 board

KLV-S19A10/S23A10 (UC) 2-6
KLV-S19A10
2-1-10.LCD PANEL REMOVAL
4LCD bracket assy (19)
7Connector assy 14P
6Harness with connector (LVDS)
1Two screws
(+B 3X4 WITH SCOTCHGRIP)
1Two screws
(+B 3X4 WITH SCOTCHGRIP)
5LCD panel (19INCH WXGA TFT)
3Two screws
(+PSW 3X8)
3One screw
(+PSW 3X8)
2Two screws
(+BVTP 4X12)

KLV-S19A10/S23A10 (UC) 2-7
KLV-S23A10
2-2-2. REAR CABINET REMOVAL
2-2. KLV-S23A10
2-2-1. STAND ASSY REMOVAL
1Six screws
(+B M4X6)
2One screw
(+BVTP 3X10)
3Rear cabinet assy (23U)
1Two screws
(+B M4X6)
3Four screws
(+PSW 4X12)
4Stand assy (S)
2Hinge cover (23)

KLV-S19A10/S23A10 (UC) 2-8
KLV-S23A10
2-2-3. H1 BOARD REMOVAL
KLV-S23A10
2-2-4. PLATE BRIDGE ASSY AND ARM (L), (R) REMOVAL
3One screw
(+B M4X6) 6One screw
(+B M4X6)
4Two screws
(+PSW 4X12)
1One screws
(+BVTT 3X6)
1Two screws
(+BVTT 3X6)
7One screw
(+PSW 4X12)
5ARM L (23)
2Plate bridge assy
8ARM R (23)
2Three screws
(B2)
3Button shield
4H1 board
1Button block assy

KLV-S19A10/S23A10 (UC) 2-9
KLV-S23A10
2-2-5. S1 SHEILD TOP, SIDE BRACKET ASSY AND BOTTOM BRACKET REMOVAL
KLV-S23A10
2-2-6. G1 AND H2 BOARDS REMOVAL
1Two screws
(+BVTT 3X6)
6Two screws
(+BVTT 3X6)
2Side bracket assy (U)
7Bottom bracket (23)
5Nut with washer
3Three screws
(+BVTT 3X6)
4S1 top shield (UL)
Connector assy
5Four screws
(+BVTT 3X6)
1Two screws
(+BVTT 3X6)
2Side jack
holder assy
3Two screws
(+BVTT 3X6)
4H2 board
6G1 board

KLV-S19A10/S23A10 (UC) 2-10
KLV-S23A10
2-2-7. A2U BOARD REMOVAL
KLV-S23A10
2-2-8. P AND TU BOARDS REMOVAL
1Five screws
(+BVTT 3X6)
2A2U board
4Two screws
(+BVTT 3X6)
5TU board
6Connection cord
3P board
1One screw
(+BVTT 3X6)
2One screw
(+B 3X4 WITH SCOTCHGRIP )

KLV-S19A10/S23A10 (UC) 2-11
KLV-S23A10
2-2-9. B BOARD REMOVAL
KLV-S23A10
2-2-10.H3 BOARD AND SPEAKER REMOVAL
2Five screws
(+BVTT 3X6)
3B board
1Two screws
(HEX)
4Connector
assy 50P
5One screw
(+BVTT 3X6)
6S1 main shield (U)
1Four screws
(+BVTP 4X12)
3Four screws
(+BVTP 4X12)
2Speaker
4Speaker
6H3 board
5One screw
(+BVTP 3X10)

KLV-S19A10/S23A10 (UC) 2-12E
KLV-S23A10
2-2-11.LCD PANEL REMOVAL
3Two screws
(+B 3X4)
5Two screws
(+PSW 3X8)
3Two screws
(+B 3X4)
5Two screws
(+PSW 3X8)
4Two screws
(+BVTP 4X12)
1Three screws
(+BVTP 4X12)
2Support,hinge (23)
3Four screws
(+B 3X4)
9Connecter assy 14P
7LCD panel (23INCH WXGA TFT)
8Harness with
connector (LVDS)
6LCD bracket assy (23U)