Sony KLV-32S400S, KLV-32S400A, KLV-37S400A, KLV-32S400H User Manual

REVISION HISTORY

NO. SUFFIX DATE SUPP / CORR DESCRIPTION

1 -01 2008/3 _ _ 1st Issue

2 -02 2008/4 _ _ New model addition. (Page 37)

EG1L (GA)

CHASSIS

MODEL

KLV-26S400A
KLV-32,32/H/S S400A
KLV-37S400A

PA RT NO. : 9-872-993-02

CHASSIS

LCD COLOR TV

SERVICE MANUAL

MODEL COMMANDER DEST.

KLV-26S400A

RM-GA011 E, EA, India, ME,

New Zealand,
Philippines,
Saudi Arabia,
South Africa, Thailand,
Vietnam

KLV-32S400A

RM-GA011 E, EA, India, Iran, ME,

New Zealand,
Philippines,
Saudi Arabia,
South Africa, Thailand,
Vietnam

MODEL COMMANDER DEST.

KLV-32S400A/H

RM-GA011 India, ME,

(Gun-Metallic Silver) Philippines,

South Africa,
Thailand

KLV-32S400A/S

RM-GA011 E, Saudi Arabia

(Silver)

KLV-37S400A

RM-GA011 E, EA, India,

Iran, ME,
New Zealand,
Philippines,
Saudi Arabia,
South Africa,
Thailand,
Vietnam

RM-GA011

KLV-26S400A KLV-32,32/H/S S400A KLV-37S400A

EG1L (GA)

– 2 –

KLV-26,32,32/H/S,37 S400A

RM-GA011

TABLE OF CONTENTS

1. SAFETY NOTES

1-1. Caution Handling of LCD Panel ..................................... 3

1-2. Safety Check Out ............................................................. 3

1-3. Leakage Test .................................................................... 3

1-4. WARNING ! .................................................................... 3

1-5. Lead Free Information ..................................................... 4

2. SELF DIAGNOSTIC FUNCTION

2-1. Overview of Control Buttons .......................................... 5

2-2. LED Display Specification.............................................. 5

2-3. LED Display Control ....................................................... 5

2-4. LED Pattern ..................................................................... 5

2-5. Standby LED Error Display ............................................ 6

3. DISASSEMBLY

3-1. Rear Cover Removal........................................................ 7

3-2. Stand Assy Removal ........................................................ 7

3-3. HG4 (KLV-26,32,32/H/S S400A) and

HG4A (KLV-37S400A) Boards Removal ....................... 8

3-4. BG1 Board Removal ....................................................... 8

3-5. GP Board Removal (KLV-26,32,32/H/S S400A) ........... 9

3-6. Power Unit (G2D) Board Removal (KLV-37S400A) ..... 9

3-7. Frame Removal ................................................................ 9

3-8. Speaker Removal ............................................................. 9

3-9. LCD Panel Removal ...................................................... 10

4. WIRE DRESSING

4-1. (KLV-26S400A) ............................................................. 11

4-2. (KLV-32,32/H/S S400A) ............................................... 14

4-3. (KLV-37S400A) ............................................................. 17

Section Title Page

5. SERVICE ADJUSTMENTS

5-1. Accessing Diagnostic Menu .......................................... 21

5-2. Aging ............................................................................ 21

5-3. Accessing Service Menu ............................................... 21

5-4. Resetting the User Menu- Factory Reset ...................... 22

5-5. White Balance Adjustment............................................ 22

5-6. Board & Panel Replacement ......................................... 23

6. DIAGRAMS

6-1. Block Diagram ............................................................... 24

6-2. Circuit Board Location .................................................. 24

6-3. Schematic Diagram ....................................................... 25

6-4. Printed Wiring Boards ................................................... 25

6-5. Semiconductor ............................................................... 25

7. EXPLODED VIEWS

7-1. (KLV-26S400A) ............................................................. 26

7-1-1. Rear Cabinet and Stand Assy ............................ 26

7-1-2. Chassis-1 ............................................................ 27

7-1-3. BG1, GP, HG4 Boards, Speakers,

Bezel Assy and LCD Panel ............................... 28

7-2. (KLV-32,32/H/S S400A) ............................................... 29

7-2-1. Rear Cabinet and Stand Assy ............................ 29

7-2-2. Chassis-1 ............................................................ 30

7-2-3. BG1, GP, HG4 Boards, Speakers,

Bezel Assy and LCD Panel ............................... 31

7-3. (KLV-37S400A) ............................................................. 32

7-3-1. Rear Cabinet and Stand Assy ............................ 32

7-3-2. Chassis-1 ............................................................ 33

7-1-3. BG1, Power Unit (G2D), HG4A Boards,

Speakers, Bezel Assy and LCD Panel ............... 34

8. ELECTRICAL PARTS LIST .............................................. 35

OPERATING INSTRUCTIONS

Section Title Page

– 3 –

KLV-26,32,32/H/S,37 S400A

RM-GA011

1-1. Caution Handling of LCD Panel

When installing the LCD Panel, make sure you are grounded
with a wrist band.
When installing the LCD Panel on the wall, the panel must be
secured using the 4 mounting holes on the rear cover.

1) Do not press 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 temperature 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 short circuit within
the module.

6) Disconnect the AC adapter 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 circuit.

9) Protect the panel from ESD to avoid damaging the elec­tronic circuit (C-MOS).

1-2. 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" or contact high-wattage resistors.

3)Check all control knobs, shields, covers, ground straps and
mounting hardware have been replaced. Be absolutely certain
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 test as described next.

1-3. 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 0.5mA
(500 microamperes). Leakage current can be measured by
any one of the three methods:-

1. A commercial leakage tester such as the SIMPSON 229 or
RCA WT-540A. Follow the manufacturers instructions to use
those 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 0.75V 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 1.)

1.5 k

Ω

0.15 µF

AC
Voltmeter
(0.75 V)

To Exposed Metal
Parts on Set

Earth Ground

SECTION 1

SAFETY NOTES

Figure 1. AC voltmeter to check AC leakage

1-4. WARNING !

SAFETY-RELATED COMPONENT WARNING!
COMPONENTS IDENTIFIED BY SHADING AND MARK !
ON THE EXPLODED VIEWS 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.

– 4 –

KLV-26,32,32/H/S,37 S400A

RM-GA011

1-5. Lead Free Information

The circuit boards used in these models have been processed
using Lead Free Solder. The boards are identified by the LF
logo located close to the board designation.

The servicing of these boards requires special precautions. It
is strongly recommended to use Lead Free Solder material in
order to guarantee optimal quality of new solder joints. Lead
Free Solder is available under the following part numbers:-

Due to high melting point of Lead Free Solder, the soldering
iron tip temperature needs to be set to 370 degrees
centigrade. This requires soldering equipment capable of
accurate temperature control coupled with a good heat
recovery characteristics.

For more information on the use of Lead Free Solder,
please refer to

http://www.sony-training.com

rebmuntraP retemaiD skrameR

91-500-046-mm

m

m

m

m

m

m

m

3.0Kg52.0

02-500-046-7m4.0Kg05.0

12-500-046-7m5.0Kg05.0

22-500-046-7m6.0Kg52.0

32-500-046-7m8.0Kg00.1

42-500-046-7m0.1Kg00.1

52-500-046-7m2.1Kg00.1

62-500-046-7m6.1Kg00.1

7

Figure 2: LF logo

Figure 3: LF logo on circuit board

– 5 –

KLV-26,32,32/H/S,37 S400A

RM-GA011

PICTURE OFF/

TIMER

REMOTE/LIGHT SENSORSTANDBY POWER

MENU TV/VIDEO VOLUME CHANNEL

POWER

SECTION 2

SELF DIAGNOSTIC FUNCTION

2-4. LED Pattern

When safety shutdown occurs, Standby LED display reports the
cause by using the lightning patterns as indicated below.

Example:

The figure above shows LED display when
SHUTDOWN is caused by DC_ALERT 2. It repeats
flashing for a specified number of times in 0.3sec/
cycle and has a 2 seconds interval of lighting off.
Please note that a 2 seconds interval of lighting off
is fixed regardless of abnormal state types.

2.0 sec 2.0 sec

0.3 sec

0.3 sec

2-1. Overview of Control Buttons

LED Typ e Description

Remark

Status

Display

Power LED

Remark

POWER Green: LED

Green lights at power ON.

STANDBY Red: One LED Red lights during standby.

Timer

Green/Amber
: Two LEDs

Green lights during Picture
OFF and amber lights
during Timer activation.

POWER ON Green lights OFF

in a normal state.

STANDBY

OFF Red lights

Microcomputer is

in a sleep state.

Failure

Classify the
trouble causes by
the no. of red.

Standby LED

Microcomputer is

2-2. LED Display Specification

2-3. LED Display Control

– 6 –

KLV-26,32,32/H/S,37 S400A

RM-GA011

Blinking times Error Countermeasure

2 DC_DET (12V Main Voltage) Replace either/both z BG1 board

z GP(26",32")/

Power Unit(G2D)(37") board

3 DC_ALERT 1 Replace BG1 board.

4 DC_ALERT 2 Replace BG1 board.

5 DC_ALERT 3 Replace BG1 board.

6BACKLIGHT/ Replace BG1 board.

INVERTER ERROR

7 INTERNAL TEMP Replace GP(26",32")/Power Unit(G2D)(37") board

ERROR

8AUDIO ERROR Replace either/both z BG1 board

z GP(26",32")/

Power Unit(G2D)(37") board

z Speaker

9 Not used for GA —

10 Not used for GA —

11 NVM ERROR Replace either/both z BG1 board

z GP(26",32")/

Power Unit(G2D)(37") board

12 IIC ERROR Replace BG1 board.

13 BALANCER ERROR Replace BG1 board.

14 HDMI ERROR —

2-5. Standby LED Error Display

Perform below countermeasures according to Standby LED blinking times.

Note: Each of the above blinking repeats every 2 seconds.

– 7 –

KLV-26,32,32/H/S,37 S400A

RM-GA011

SECTION 3

DISASSEMBLY

(KLV-26S400A)

(KLV-32,32/H/S S400A) (KLV-32,32/H/S S400A)

(KLV-37S400A)

(KLV-26S400A)

(KLV-37S400A)

3-1. Rear Cover Removal

3-2. Stand Assy Removal

4 Two screws

(+PSW M3 X 5)

5 Lift to remove
Rear Cover

3 One screw
(+PSW M5 X 8)

1 Fifteen screws

(+BVTP2 4 X 16)

2 Two screws
(+BVTP 3 X 12)

4 Two screws

(+PSW M3 X 5)

5 Lift to remove

Rear Cover

3 One screw

(+PSW M5 X 8)

1 Sixteen screws

(BVTP2 4 X 16)

2 Two screws

(+BVTP 3 X 12)

5 Lift to remove

Rear Cover

1 Seventeen screws

(+BVTP2 4 X 16)

2 Four screws

(+PSW M5 X 12)

3 Two screws

(+BVTP 3 X 12)

4 Two screws

(+PSW M3 X 5)

2 Stand assy

1 Three screws

(+PSW M5 X 16)

2 Stand assy

1 Three screws

(+PSW M5 X 16)

2 Stand assy

1 Three screws

(+PSW M5 X 20)

– 8 –

KLV-26,32,32/H/S,37 S400A

RM-GA011

(KLV-32,32/H/S S400A)

(KLV-37S400A)

(KLV-26S400A)

3-3. HG4 and HG4A Boards Removal 3-4. BG1 Board Removal

(KLV-32,32/H/S S400A)

(KLV-37S400A)

(KLV-26S400A)

2 Harness
with connector

6 HG4 board

4 One connector

Guide Light

3 LCD panel

Bezel assy

1 Two screws
(+BVTP2 4 X 16)

5 Two screws
(+BVTP2 3 X 12)

1 Six screws

(+BVTP2 4 X 16)

3 LCD panel

2 Harness

with connector

Bezel assy

6 HG4A board

4 One connector

Guide Light

5 Two screws
(+BVTP2 3 X 12)

2 Harness
with connector

6 HG4 board

4 One connector

Guide Light

3 LCD panel

Bezel assy

1 Two screws
(+BVTP2 4 X 16)

5 Two screws
(+BVTP2 3 X 12)

Main Bracket

4 BG1 board

3 Six connectors

5 One screw

(+BVST 3 X 8)

Two screws
(+BVST 3 X 8)

2 Nine screws
(+BVST 3 X 8)

1 One screw
(+PSW M3 X 5)

Bracket Side Jack Assy

Bezel assy

Main Bracket

4 BG1 board

3 Six connectors

5 One screw

(+BVST 3 X 8)

Two screws
(+BVST 3 X 8)

2 Nine screws
(+BVST 3 X 8)

1 One screw
(+PSW M3 X 5)

Bracket Side Jack Assy

Bezel assy

Main Bracket

Bezel assy

4 BG1 board

3 Six connectors

Two screws
(+BVST 3 X 8)

2 Nine screws
(+BVST 3 X 8)

1 One screw
(+PSW M3 X 5)

Bracket Side Jack Assy

– 9 –

KLV-26,32,32/H/S,37 S400A

RM-GA011

3-6. Power Unit (G2D) Board Removal

(KLV-37S400A)

(KLV-26S400A)

3-7. Frame Removal

(KLV-37S400A)

(KLV-26S400A)

(KLV-32,32/H/S S400A)

3-8. Speaker Removal

3 GP board

G1 Bracket

2 One connector

1 Four screws

(+PSW 3SG)

1 Power Unit (G2D Board)

3 G2 Bracket, Upper

Bezel Assy

2 Six screws
(+BVST 3 X 8)

5 One screw
(+BVTP2 4 X 16)

6 Two screws
(+BVTP2 4 X 16)

Frame Bottom

Frame Spine (R)

Cover Under

Frame Spine (L)

Vesa Frame (Top) Assy

3 One screw
(+PSW M4 X 8)

3 One screw
(+PSW M4 X 8)

1 One screw
(+BVTP2 4 X 16)

2 Two screws
(+PSW M4 X 8)

4 One screw
(+PSW M4 X 8)

5 One screw
(+BVTP2 4 X 16)

4 One screw
(+PSW M4 X 8)

4 One screw
(+PSW M4 X 8)

5 One screw
(+PSW M4 X 8)

9 Four screws
(+PSW M4 X 8)

8 Two screws
(+BVTP2 4 X 16)

3 One screw
(+PSW M4 X 8)

4 One screw
(+PSW M4 X 8)

3 One screw
(+PSW M4 X 8)

1 Two screws
(+BVTP2 4 X 16)

2 Two screws
(+PSW M4 X 8)

6 One screw
(+PSW M4 X 8)

7 One screw
(+BVTP2 4 X 16)

7 One screw
(+BVTP2 4 X 16)

5 One screw
(+PSW M4 X 8)

6 One screw
(+PSW M4 X 8)

Frame Bottom

Frame Spine (32R)

Cover Under

Frame Spine (32L)

Vesa Frame (Top) Assy

1 One screw
(+BVTP2 4 X 16)

7 Two screws
(+BVTP2 4 X 16)

8 One screw
(+PSW M4 X 8)

5 Four screws
(+PSW M4 X 8)

4 Two screws
(+PSW M4 X 8)

6 Two screws
(+BVTP2 4 X 16)

2 Three screws
(+PSW M4 X 8)

2 Three screws
(+PSW M4 X 8)

3 Two screws
(+PSW M5 X 8)

3 Two screws
(+PSW M5 X 8)

Frame Bottom

Vesa Frame
(Bottom) Assy

Cover Under

Frame Spine
(37L)

Frame Spine
(37R)

Vesa Frame
(Top) Assy

Speaker

Bezel assy

3-5. GP Board Removal

(KLV-26,32,32/H/S S400A)

– 10 –

KLV-26,32,32/H/S,37 S400A

RM-GA011

(KLV-37S400A)

(KLV-26S400A)

(KLV-32,32/H/S S400A)

3-9. LCD Panel Removal

(KLV-37S400A)

(KLV-32,32/H/S S400A)

Speaker

Bezel assy

Speaker

Bezel assy

2 Harness
with connector

3 Lift to remove
LCD panel

Bezel assy

1 Two screws
(+BVTP2 4 X 16)

2 Harness
with connector

3 Lift to remove
LCD panel

Bezel assy

1 Two screws
(+BVTP2 4 X 16)

2 Six screws
(+BVTP2 4 X 16)

3 Lift to remove
LCD panel

1 Harness
with connector

Be

zel assy

– 11 –

KLV-26,32,32/H/S,37 S400A

RM-GA011

SECTION 4

WIRE DRESSING

CAUTION :

1. Do not overpull the wires during dressing

--> avoid disconnection of wires.

2. Make sure wires are kept away from
sharp edges, heatsinks & other
high-temperature parts.

4-1-1. Wire Dressing Overview for
Non-CISPR model.

4-1-2. Wire Dressing Overview for CISPR model.

4-1-3. Dress LVDS cable with Sheet Core C.
(For Non-CISPR model)

4-1-4. Dress LVDS cable with Sheet Core C &
Shield Tape and screw LVDS cable's clamp
on main bracket. (For CISPR model)

4-1.(KLV-26S400A)

Sheet Core C

LVDS cable

Datum

Datum

Sheet Core C

LVDS cable

Shield Tape

LVDS cable's

clamp

Screw

Make sure LVDS connector fully inserted
with correct direction as shown.

– 12 –

KLV-26,32,32/H/S,37 S400A

RM-GA011

4-1-5. Dress Connector Assy 13P at
G1 bracket's hook,

4-1-6. Dress Connector Assy 14P+20P at
G1 bracket's hook.

4-1-7. Dress Connector Assy 14P+20P with
Slide Clamp (quantity: 2)

4-1-8. Dress Connector Assy 14P+20P on top of
Connector Assy.

4-1-9. Dress Connector Assy 14P+20P &
Speaker Wire with Sheet Core C
(quantity: 2).

4-1-10. Apply Sheet Core C on LCD panel and
dress Connector Assy 14P+20P &
Speaker Wire with Sheet Core C.

Connector assy 14P+20P

Sheet Core C

Connector assy 14P+20P

Speaker Wire

Datum

Caution:
Make sure wire not over
this line.

Datum

Connector assy 13P

Connector assy 14P+20P

Connector assy 14P+20P

Pull wire straight

Connector assy 13P

Datum

Datum

Sheet Core C

Speaker Wire

Connector assy 14P+20P

Caution : Pull away from
screw boss

Screw boss

Datum

– 13 –

KLV-26,32,32/H/S,37 S400A

RM-GA011

4-1-11. Dress Speaker Wire(L) with LCD tape. 4-1-12. Dress Connector Assy 14P+20P with

LCD tape.

4-1-13. Install AC Cord Holder on AC Power Cord.
(For Non-CISPR model)

4-1-14. Install AC Cord Holder on AC Power Cord.
(For CISPR model)

Speaker Wire

Caution : Pull away from screw boss

Screw boss

Datum

LCD tape

130mm

AC Power Cord

AC Cord holder

AC Power Cord

130mm

70mm

Ferrite Core

Cable tie

Note: Make sure
tighten cable tie and
cut excess part.

Connector assy 14P+20P

Datum

LCD tape

AC Cord holder

– 14 –

KLV-26,32,32/H/S,37 S400A

RM-GA011

4-2-1. Wire Dressing Overview for
Non-CISPR model

4-2-2. Wire Dressing Overview for CISPR model

4-2-3. Dress LVDS Cable with Sheet Core C (quantity: 2).
(For Non-CISPR model)

4-2. (KLV-32,32/H/S S400A)

Use UL tape

Use UL tape
location as guide line

Make sure LVDS connector fully inserted
with correct direction as shown.

LVDS cable

Sheet Core C

Datum

Datum

Datum

UL Tape

– 15 –

KLV-26,32,32/H/S,37 S400A

RM-GA011

4-2-4. Dress LVDS cable with Sheet Core C &
Shield Tape. (For CISPR model)

4-2-5. Screw LVDS cable's clamp on main bracket.
(For CISPR model)

4-2-6. Dress Connector Assy 13P at
G1 Bracket's hook.

4-2-7. Dress Connector Assy 14P + 20P at
Bracket's hook (quantity: 5).

4-2-8. Dress Connector Assy 14P + 20P with
Slide Clamp (quantity: 2)

4-2-9. Dress Connector Assy 14P+20P on top of
Connector Assy 13P

Apply tape at the

middle of this

area.

Sheet Core C

Shield Tape

Datum

Datum

Connector assy 13P

Connector assy 14P+20P

Connector assy 13P

LVDS cable's clamp

Screw

LVDS cable

LVDS cable

Connector assy 14P+20P

Connector assy 14P+20P

Pull wire straight

Pull wire straight

– 16 –

KLV-26,32,32/H/S,37 S400A

RM-GA011

4-2-10. Dress Connector Assy 14P+20P &
Speaker wire with Sheet Core C
(quantity: 2)

4-2-11. Apply Sheet Core C on LCD Panel and
dress Connector Assy 14P+20P &
Speaker Wire with Sheet Core C and
Slide Clamp.

4-2-12. Dress Speaker Wire (L) with LCD tape. 4-2-13. Dress Connector Assy 14P+20P with

LCD tape.

4-2-14. Install AC Cord Holder on AC Power Cord.
(For Non-CISPR model)

4-2-15. Install AC Cord Holder on AC Power Cord.
(For CISPR model)

Sheet Core C

Connector assy 14P+20P

Speaker Wire

Datum

Datum

Sheet Core C

Datum

Connector assy 14P+20P

Speaker Wire

Caution : Pull away from
screw boss

Screw boss

Speaker Wire

Caution : Pull away from
screw boss

Screw boss

LCD tape

LCD tape

Caution : Pull wire until cannot
reach sharp edge area when
apply LCD tape.

170mm

170mm

70mm

AC Power Cord

AC Cord holder

AC Power Cord

AC Cord holder

Datum

Connector assy 14P+20P

Datum

Ferrite Core

Cable Tie

Note: Make sure
tighten cable tie and
cut excess part.

– 17 –

KLV-26,32,32/H/S,37 S400A

RM-GA011

4-3-1. Wire Dressing Overview for
Non-CISPR model.

4-3-2. Wire Dressing Overview for CISPR model.

4-3-3. Dress LVDS cable with G2 bracket
(upper)'s hook. (For Non-CISPR model)

4-3-4. Dress LVDS cable with Sheet Core C.
(For Non-CISPR model)

4-3-5. Dress LVDS cable with Sheet Core C
(quantity 2) & Shield Tape
(For CISPR model)

4-3-6. Screw LVDS Cable's Clamp on
main bracket. (For CISPR model)

4-3. (37S400A)

LVDS cable

Make sure LVDS connector fully inserted
with correct direction as shown.

G2 Bracket (upper)

Sheet Core C

LVDS cable

Datum

Datum

Sheet Core C

LVDS cable

Shield Tape

Datum

Datum

Datum

LVDS cable

LVDS cable's clamp

Screw

– 18 –

KLV-26,32,32/H/S,37 S400A

RM-GA011

4-3-7. Apply Sheet Core C on LCD panel and dress Connector Assy 14P+20P & Speaker Wire with
sheet core C.

4-3-8. Dress Connector Assy 14P+20P & Speaker wire with Sheet Core C (quantity:2).

Datum

Speaker Wire

Caution : Pull away
from screw boss

Screw boss

Datum

Datum

Follow White UL
tape as guide to
apply tape

Dress wire along
panel edge

Sheet Core C

Connector assy 14P+20P

Dress wire along panel edge

Sheet Core C

Datum

Datum

Speaker Wire

Connector assy 14P+20P

Sheet Core C

– 19 –

KLV-26,32,32/H/S,37 S400A

RM-GA011

4-3-9. Dress Connector Assy 14P+20P with
Slide Clamp (quantity: 2)

4-3-10. Dress Connector Assy 14P+20P on top of
Connector Assy 13P.

4-3-11. Dress Connector Assy 14P+20P with
LCD tape.

4-3-12. Dress Connector Assy 14P+20P at
G2 bracket (upper)'s hook (quantity: 7)

4-3-13. Dress Connector Assy 14P+20P with
Sheet Core C.

4-3-14. Dress Speaker wire (L) with LCD tape.

Connector assy 14P+20P

Pull wire straight

Connector assy 13P

Datum

Connector assy 14P+20P

Connector assy 14P+20P

Datum

Sheet Core C

Make sure wire dress
underneath spine frame

Connector assy 14P+20P

Connector assy 14P+20P

LCD tape

LCD tape

Datum

Speaker Wire

Screw boss

Caution : Pull away from
screw boss

– 20 –

KLV-26,32,32/H/S,37 S400A

RM-GA011

4-3-15. Dress Connector Assy 14P+20P with
LCD tape (quantity: 2)

4-3-16. Install AC Cord Holder on AC Power Cord
(For Non-CISPR model)

4-3-17. Install AC Cord Holder on AC Power Cord.
(For CISPR model)

AC Power Cord

AC Cord holder

AC Power Cord

AC Cord holder

Datum

Connector assy 14P+20P

LCD tape

Datum

130mm

130mm

70mm

Ferrite Core

Cable tie

Note: Make sure tighten
cable tie and cut excess
part.

– 21 –

KLV-26,32,32/H/S,37 S400A

RM-GA011

5-1. Accessing Diagnostic Menu

1. While TV set on standby, press the following sequence on
the remote commander (RM-GA011).

2. The following menu will appear on the screen:

3. To reset, select ‘RESET’ using remote commander and
press

.

4. To quit the diagnostic menu, turn off and on the TV set.

5-2. Aging

1. Aging setting: Set no signal and monitor as aging mode.

2. Aging condition:
Aging condition before white balance adjustment is as
follows:
Supply voltage : Rating
Time : 20 minutes or over

(AGING TIMER registor setting)

Ambient Temp : 22 ~ 28 degree
Brightness : Brightness is set by aging mode.
Input : Set no signal except digital and

analog RF (video/component/PC).

3. LED lightning pattern during aging:

In case the AGING TIMER > 0
Green (0.5s) --> Off (0.5s) --> Green (0.5s) --> Off (0.5s)
Note: Green (Power LED is ON / OFF)

In case the AGING TIMER = 0
Green (3s) -->Off (3s) --> Green (3s) --> Off (3s)

Note: Green (Power LED is ON / OFF)
Note: If set has been put on surface down, static electricity
causes brightness surface irregularity. If such happens, turn
the set over or place it in upright position for more than 30
seconds. Once surface irregularity is cleared, check the set.

On screen

display

Channel 5

Volume (-)

POWER

ERROR

DC_DET

DC_ALERT1

DC_ALERT2

DC_ALERT3

BACKLIGHT

INTERNAL TEMP ERROR

AUDIO ERROR

NVM ERROR

IIC ERROR

BALANCER ERROR

HDMI ERROR

0

0

0

0

0

0

0

0

0

0

0

RESET

0

Service Menu

Status

W/B

Service

On screen

display

Channel 5 Volume (+)

POWER

Service Menu

W/B

R_DRIVE

G_DRIVE

B_DRIVE

COLOR _ SAVE

0

0

0

OK

5-3. Accessing Service Menu

1. While TV set on standby, press the following sequence on
the remote commander (RM-GA011).

2. The following menu will appear on the screen:

3. View Menu Listing
Press the 'down' arrow button to choose white balance
(W/B) and then press 'right' arrow button to view W/B
adjustment items.

4. Select Menu Item
Press the 'up' or 'down' arrow button to select the item you
want to adjust.

5. Increase/Decrease Data Value
To increase the data value, press the 'right' arrow button
whereas to decrease, press the 'left' arrow button.

6. Save/Cancel Data Value
To save the data value changes, firstly press the 'down'
arrow button to select 'COLOR SAVE' then use 'right' arrow
button to select 'OK' and press the

button. To cancel the
data value changes, use 'down' arrow button to select
'Cancel' and press the

button.

SECTION 5

SERVICE ADJUSTMENTS

Figure 1

Figure 2

Figure 3

– 22 –

KLV-26,32,32/H/S,37 S400A

RM-GA011

5-4. Resetting the User Menu - Factory Reset

Note: The TEST RESET option resets all the customer
adjustable data back to factory defaults.

1. While TV set on standby, press the following sequence on
the remote commander (RM-GA011).

2. The following menu will appear on the screen:

3. View Menu Listing
Press the 'down' arrow button to choose white balance
(W/B) and then press 'right' arrow button to view W/B
adjustment items.

4. Now return to Service Menu.

5. Press 'down' arrow button and select 'Service'. Then press
'right' arrow button to display 'Service' category items. The
below menu is displayed:

6. Press the 'Enter' button to select 'TEST RESET' option.

7. Press 'up' arrow button to select OK and 'Enter' button to
confirm.

5-5. White Balance Adjustment

Note: The white balance need to be adjusted when
BG1 board and Panel is replaced.

1. Put TV to Video 1 and step gray scale using signal
generator.

2. Press 'MENU' on the remote commander to display user
menu.

3. Select 'Setting' by pressing the 'down' arrow button.

4. While in 'Setting', press 'right' arrow button to display setting
options.

Service Menu

Service

TEST RESET

WHITE PATTERN

RED PATTERN

GREEN PATTERN

BLUE PATTERN

AUTOSET FACTORY

PRODUCTION

APC

OVER MODULATION

OPTIONS

OK

No

No

No

No

SHIBAURA

0

NORMAL

O

0

SERIAL NUMBER EDIT

ETI1 CLEAR

ETI2 CLEAR

0

Cancel

Cancel

MENU

Favourites

Programme List

External Inputs

Settings

Figure 4

Service Menu

W/B

R_DRIVE

G_DRIVE

B_DRIVE

COLOR_SAVE

0

0

0

OK

Figure 5

Service Menu

Status

W/B

Service

Figure 6

Figure 7

Figure 8

On screen

display

Channel 5 Volume (+) POWER

Service Menu

Status

W/B

Service

– 23 –

KLV-26,32,32/H/S,37 S400A

RM-GA011

SET-UP

56mv

20%

188mv

60%

451mv

10 STEP

GRAY SCALE

60 IRE LEVEL20 IRE LEVEL

8. Put the set in standby mode. (Power OFF).

9. Access the service menu.

10. The service menu displays.

11. Press the 'down' arrow button to choose white balance
(W/B) and then press 'right' arrow button to view W/B
adjustment items.

12. Using 10 step NTSC Gray scale with setup, adjust the white
balance of the 60% shade with R_Drive and B_Drive.

13. Using the same pattern, adjust the white balance 20% with
R_BKG and B_BKG.

14. 20 IRE and 60 IRE shades should have the same color.

5-6. Board & Panel Replacement

When replacing the BG1 board and Panel, make sure to readjust
the W/B.

While in Picture Menu:

5. Select 'Picture Mode' and press 'right' arrow button to display
picture mode options then select 'STANDARD' and press
button.

6. Next select 'Color Temperature' and press 'right' arrow
button to select the option 'COOL' and press

.

7. Now select 'Advanced Setting' and using the arrow keys,
set all the registers in the Advanced Setting menu OFF'.

Picture

Picture Mode

Reset

Backlight

Picture

Brightness

Colour

Hue

Colour Temperature

Sharpness

Noise Reduction

MPEG Noise Reduction

OK

5

Max

50

50

Cool

13

Medium

Advanced Settings

Standard

Picture

Picture Mode

Reset

Backlight

Picture

Brightness

Colour

Hue

Colour Temperature

Sharpness

Noise Reduction

MPEG Noise Reduction

OK

5

Max

50

50

Cool

13

Medium

Advanced Settings

Standard

Picture

Picture Mode

Reset

Backlight

Picture

Brightness

Colour

Hue

Colour Temperature

Sharpness

Noise Reduction

MPEG Noise Reduction

OK

5

Max

50

50

Cool

13

Medium

Advanced Settings

Standard

Service Menu

Status

W/B

Service

Service Menu

W/B

R_DRIVE

G_DRIVE

B_DRIVE

COLOR _SAVE

0

0

0

OK

Figure 9

Figure 10

Figure 11

Figure 12

Figure 13

– 24 –

KLV-26,32,32/H/S,37 S400A

RM-GA011

6-2. CIRCUIT BOARD LOCATION

KLV-26,32,32/H/S,37 S400A

Block Switch Panel

BG1 Board

GP Board
(KLV-26,32,32/H/S S400A)
Power Unit (G2D Board)
(KLV-37S400A)

HG4 Board
(KLV-26,32,32/H/S S400A)
HG4A Board
(KLV-37S400A)

SECTION 6

DIAGRAMS

6-1. BLOCK DIAGRAM

Due to complexity of the board, performing
component level field repairs are not recommended.
Complete board replacement is required if service is
necessary.