Sony FWD-40LX2F-X Schematic

Page 1
FLAT WIDE DISPLAY MONITOR
FWD-40LX2F FWD-40LX2X
REMOTE COMMANDER
RM-FW001
SPEAKER SYSTEM
SERVICE MANUAL 1st Edition (Revised 1)
Page 2
! WARNING
This manual is intended for qualified service personnel only. To reduce the risk of electric shock, fire or injury, do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so. Refer all servicing to qualified service personnel.
! WARNUNG
Die Anleitung ist nur für qualifiziertes Fachpersonal bestimmt. Alle Wartungsarbeiten dürfen nur von qualifiziertem Fachpersonal ausgeführt werden. Um die Gefahr eines elektrischen Schlages, Feuergefahr und Verletzungen zu vermeiden, sind bei Wartungsarbeiten strikt die Angaben in der Anleitung zu befolgen. Andere als die angegeben Wartungsarbeiten dürfen nur von Personen ausgeführt werden, die eine spezielle Befähigung dazu besitzen.
! AVERTISSEMENT
Ce manual est destiné uniquement aux personnes compétentes en charge de l’entretien. Afin de réduire les risques de décharge électrique, d’incendie ou de blessure n’effectuer que les réparations indiquées dans le mode d’emploi à moins d’être qualifié pour en effectuer d’autres. Pour toute réparation faire appel à une personne compétente uniquement.
FWD-40LX2F FWD-40LX2X
Page 3
CAUTION
Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type
recommended by the manufacturer. Dispose of used batteries according to the manufacturer’s instructions.
ADVARSEL!
Lithiumbatteri-Eksplosionsfare ved fejlagtig
håndtering.
Udskiftning må kun ske med batteri
af samme fabrikat og type.
Levér det brugte batteri tilbage til leverandøren.
ADVARSEL
Lithiumbatteri - Eksplosjonsfare.
Ved utskifting benyttes kun batteri som
anbefalt av apparatfabrikanten.
Brukt batteri returneres
apparatleverandøren.
Vorsicht!
Explosionsgefahr bei unsachgemäßem Austausch
der Batterie.
Ersatz nur durch denselben oder einen vom
Hersteller empfohlenen ähnlichen Typ . Entsorgung
gebrauchter Batterien nach Angaben des
Herstellers.
ATTENTION
Il y a danger dexplosion sil y a remplacement
incorrect de la batterie.
Remplacer uniquement avec une batterie du même
type ou dun type équivalent recommandé par le
constructeur.
Mettre au rebut les batteries usagées conformément
aux instructions du fabricant.
For the customers in the Netherlands Voor de klanten in Nederland
Hoe u de batterijen moet verwijderen, leest u in de tekst van deze handleiding.
Gooi de batterij niet weg maar lever deze in als klein chemisch afval (KCA).
VARNING
Explosionsfara vid felaktigt batteribyte.
Använd samma batterityp eller en likvärdig typ
som rekommenderas av apparattillverkaren.
Kassera använt batteri enligt gällande
föreskrifter.
VAROITUS
Paristo voi räjähtää jos se on virheellisesti
asennettu.
Vaihda paristo ainoastaan laitevalmistajan
suosittelemaan tyyppiin.
Hävitä käytetty paristo valmistajan ohjeiden
mukaisesti.
Für Kunden in Deutschland
Entsorgungshinweis: Bitte werfen Sie nur entladene Batterien in die Sammelboxen beim Handel oder den Kommunen. Entladen sind Batterien in der Regel dann, wenn das Gerät abschaltet und signalisiert “Batterie leer oder nach längerer Gebrauchsdauer der Batterien nicht mehr einwandfrei funktioniert. Um sicherzugehen, kleben Sie die Batteriepole z.B. mit einem Klebestreifen ab oder geben Sie die Batterien einzeln in einen Plastikbeutel.
For the customers in Taiwan only
FWD-40LX2F FWD-40LX2X
1 (P)
Page 4
Notes on Wall Mounting
For Sony Dealers
Sufficient expertise is required for installing this product on the wall. Be sure to read the instruction manual provided with the Wall-Mount Bracket thoroughly to do the installation work safely. Sony is not liable for any damages or injury caused by mishandling or improper installation. Be sure to use the UL approved Wall-Mount Bracket which is tested with FWD-40LX2F/40LX2X based on IEC60950 and UL60950. SONY is not liable for any damages or injury caused by using any Wall-Mount Bracket which is not Approved by UL. Be sure to install the Display Unit securely to the wall following the instructions given in the instruction manual of the Wall-Mount Bracket. If any of the screws are loose or fall out, the Display Unit may fall and cause injury or property damage. Be sure to use the appropriate screws for the material of the wall and install the unit securely. If the wall on which the Wall-Mount Bracket is installed is unstable, uneven, or not perpendicular to the floor, the unit may fall and cause injury or property damage. The wall should be capable of supporting a weight of at least four times the Display Unit weight, 104.0 kg. (The Display Unit weight of FWD-40LX2F/40LX2X is approximately 26.0 kg. ) Be sure to use the specified screws and attachment parts properly following the instructions given in the instruction manual of the Wall-Mount Bracket. If you use substitute items, the Display Unit may fall, and cause bodily injury to someone or damage to the Display Unit. Be sure to assemble the bracket properly following the instructed procedure explained in the instruction manual of the Wall-Mount Bracket. Be sure to tighten the screws securely in the designated position. If you fail to do so, the Display Unit may fall, and cause bodily injury to someone or damage to the Display Unit. Do not disassemble or make alterations to the parts of the Wall-Mount Bracket. If you do so, the Wall-Mount Bracket may fall and cause injury or property damage. Do not mount any equipment other than the specified product.
If you mount equipment other than specified in the instruction manual of the Wall-Mount Bracket, it may fall or break, and cause injury or property damage. Do not install the Display Unit over or under an air­conditioner. If the Display Unit is exposed to water leaks or air current from an air-conditioner for a long time, it may cause a fire, an electric shock or a malfunction of the Display Unit. Do not allow the mains lead or the connecting cable to be pinched. If the mains lead or the connecting cable is pinched between the unit and the wall or is bent or twisted by force, the internal conductors may become exposed and cause a short circuit or an electrical break. This may cause a fire or an electric shock. After proper installation of the Display Unit, secure the cables properly. If people or objects get tangled in the cables, this may result in injury or damage to the Display Unit. Be careful not to hurt your hands or fingers when installing the Display Unit.
2 (P)
FWD-40LX2F FWD-40LX2X
Page 5
)
Caution
Provide an ample amount of space around the display . When you set up the Display Unit, make sure there is more space around the display than that shown in
the figure below. This will allow for proper ventilation.
. Wile the unit is on, a certain amount of heat builds up inside. This can cause burns. Avoid touching the
top or rear of the unit when it is powered on or just after it has entered standby mode.
When mounting the display horizontally
2.5 (1)
25 (9 7/8)
10 (4)
7
25 (9
/8)
When mounting the display vertically
20 (4)
20 (9 7/8)
10 (4)
Unit : cm (inches
2.5 (1)
25 (9 7/8)
Make sure that the POWER switch is at the lower right.
FWD-40LX2F FWD-40LX2X
10 (4)
Unit : cm (inches)
3 (P)
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Table of Contents

1. Service Overview
1-1. Appearance Figure ..........................................................1-1
1-2. Board Location ...............................................................1-1
1-3. Disassembly ....................................................................1-2
1-3-1. Cabinet Assembly .................................................1-2
1-3-2. Bezel Assembly/H1 Board/H2 Board/LOGO
Assembly ...............................................................1-3
1-3-3. A Board/JT Board .................................................1-4
1-3-4. G6 Board ...............................................................1-5
1-3-5. SP Board................................................................1-6
1-3-6. LCD Panel .............................................................1-7
1-4. Warning on Power Connection.......................................1-8
2. Troubleshooting
2-1. Judgment When No Image is Displayed ........................2-1
2-2. Self-Diagnosis Function .................................................2-1
5. Spare Parts
5-1. Notes on Repair Parts .....................................................5-1
5-2. Exploded Views.............................................................. 5-2
6. Diagrams
6-1. Overall Block Diagrams .................................................6-1
6-2. Frame Wiring.................................................................. 6-3
3. Circuit Description
3-1. A Board...........................................................................3-1
3-2. H1 Board.........................................................................3-2
3-3. H2 Board.........................................................................3-2
3-4. G6 Board.........................................................................3-3
4. Electrical Alignment
4-1. Service Mode ..................................................................4-1
4-1-1. Start .......................................................................4-1
4-2. White Balance Adjustment .............................................4-1
4-2-1. Preparation ............................................................4-1
4-2-2. Setting....................................................................4-1
4-2-3. Cool Adjustment ...................................................4-2
4-2-4. Neutral Adjustment ...............................................4-2
4-2-5. Warm Adjustment .................................................4-2
FWD-40LX2F FWD-40LX2X
1
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1-1. Appearance Figure

Section 1

Service Overview

1
2
3
4
5
6
7
8
9
SET
C
0

1-2. Board Location

H1 board
G6 board
A board
U20 board
U10 board
JT board
LOGO board
SP board
H2 board
FWD-40LX2F FWD-40LX2X
1-1
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1-3. Disassembly

n
When removing/installing the cabinet and replacing the board, place the unit on the conductive cushion.

1-3-1. Cabinet Assembly

The illustration indicates FWD-40LX2F/S and FWD-40LX2F/B.
1 Side cable cover
0 Screw
7 Four screws
9 T wo screws
8 Four knobs
9 Four screws
4 U20 block assembly
3 Panel securing
A
screws
5 Panel securing screws
1 Side cable cover
Upper side
B
!- Cabinet assembly
2 Bottom cable cover
A
B
6 U10 block assembly
Conductive cushion
1-2
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1-3-2. Bezel Assembly/H1 Board/H2 Board/LOGO Assembly

. Remove the cabinet assembly. (Refer to Section 1-3-1.)
m . When removing the base chassis assembly, be sure to work with more than two persons. . When removing the base chassis assembly, hold the four portions A and remove it from
the bezel assembly. . Place the removed base chassis assembly on the conductive cushion.
7 Harness
!- Corner B
bracket
![ Side
bracket (FWD-40LX2F/S, FWD-40LX2F/B)
Upper side
1 T wo screws
6 Two
screws
!\ Base chassis
assembly
0 Three screws
!= Screw
8 Three
2 Control button panel
5 Control button
KCN1
4 H1 board
3 Three
screws
screws
6 Screw
9 Corner A
bracket
Portions A
7 Harness
Portions A
B
6 Screw
6 T wo screws
7 Harness
!] Eight screws
C
8 Three screws
9 Corner A bracket
!= Screw
![ Side bracket
(FWD-40LX2F/S, FWD-40LX2F/B)
!- Corner B bracket
7 Harness
C
@/ Two
screws
0 Three
screws
6 T wo screws
!. Black tape
LCN1
Conductive cushion
FWD-40LX2F FWD-40LX2X
@= Bezel assembly
FWD-40LX2X
!; Screw
!' Light
guide
!; Screw
!' Light
guide
FWD-40LX2F/S FWD-40LX2F/B
B
ICN18
!, H2 board
@- LOGO
assembly
1-3
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1-3-3. A Board/JT Board

. Remove the cabinet assembly. (Refer to Section 1-3-1.)
8 Removing the lithium battery. Remove the lithium battery in the
direction of the arrow.
Lithium battery (CR1220)
Battery holder
1 Nine screws
CN2
CN7
CN18
CN19
6 A board
Upper side
CN10
CN16
CN17
5 Nine screws
6 A board
1 Eight screws
2 Shield cover
5 Two screws
7 JT board 3 Two connector screws
4 Two screws
1-4
Conductive cushion
FWD-40LX2F FWD-40LX2X
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1-3-4. G6 Board

. Remove the cabinet assembly. (Refer to Section 1-3-1.)
2 Arm
3 Fourteen screws
CN951
CN901
CN950
CN931
5 Five screws
6 G6 board
1 Four screws
4 Shield cover G
6 G6 board
Upper side
Conductive cushion
FWD-40LX2F FWD-40LX2X
1-5
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1-3-5. SP Board

. Remove the cabinet assembly. (Refer to Section 1-3-1.) . Remove the arm and shield cover G. (Refer to Section 1-3-4.)
3 Two screws
5 Two screws
2 Screw
4 Inlet bracket
Upper side
CN901
SCN2
6 SP board
1 Nickel tape
Conductive cushion
1-6
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1-3-6. LCD Panel

. Remove each part. (Refer to Sections 1-3-1 to 1-3-5.)
1 Three screws
7 Aluminium tape
5 Four screws
7 Aluminium tape
2 Cable cover
7 Aluminium tape
Upper side
!- Gasket
!= Gasket
9 Cushion
4 LVDS cable
3 Tape
7 Aluminium tape
6 Base chassis
7 Aluminium tape
8 LCD panel
Conductive cushion
Attaching position of gaskets
9 Cushion
0 Cushion
FWD-40LX2F FWD-40LX2X
0 Cushion
1-7
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1-4. Warning on Power Connection

Use the proper power cord for your local power supply.
United States, Continental Europe UK, Ireland, Australia, Japan Canada New Zealand
Plug type VM0233 COX-07/636 – Female end VM0089 COX-02/VM0310B VM0303B VM1313 Cord type SVT H05VV-F CEE (13) 53rd (O, C) HVCTF Minimum cord 10 A/125 V 10 A/250 V 10 A/250 V 10 A/125 V
set rating Safety approval UL/CSA VDE VDE DENAN-HO
1) Use an appropriate rating plug which complies with local regulations.
1)
VM1296
1-8
FWD-40LX2F FWD-40LX2X
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Section 2

Troubleshooting

2-1. Judgment When No Image is
Displayed
The status in the case where “No image is displayed” is displayed according to the number of times when the POWER/STANDBY indicator in the lower-right position of this units front panel blinks in red. Blinking of two to three times or five times is repeated after several seconds.
Number of blinking times Status
Two times An error code is detected from the
panel.
Three times When the sensor temperature
exceeds the allowable value
Five times 13 V power supply is detected.
Front side

2-2. Self-Diagnosis Function

The self-diagnosis function installed in this unit forcibly shuts down this unit when the items below are detected (abnormality is generated) or when the allowable value are exceeded. The detected items and the allowable values are as described below.
1. Panel error
This monitors the operation abnormality of a panel inverter. This unit shuts down when the INV_DET signal input from CN19 on the A board remains high after the power is turned on.
2. Increase in sensor temperature
This detects the temperature of the A board and power supply boards (G6 board). This unit shuts down when the state in which the temperatures below were exceeded is detected for two seconds or more.
. A board: 76 dC . Power supply board: 100 dC
POWER/STANDBY indicator
3. Abnormality of supply voltage
The DC voltage error detection in the A board is performed. This unit is shut down when the voltage of 13 V becomes
6.9 V or less after the power is turned on. The indicator flashes when an abnormal voltage is detected for approximately 50 seconds. The power may be shut down before the indicator starts flashing.
FWD-40LX2F FWD-40LX2X
2-1
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Section 3

Circuit Description

The main functions of each board in this unit are as described below. . A board
This board mounts an HD15 connector and two HDMI connector interfaces. It processes a video signal together with the signal from an option board using a scaler and outputs data to the display panel. This board also outputs the selected audio signal to the SP board.
. JT board
This is a relay board used for connecting the option board and A board of slot 2.
. H1 board
This is a user interface board. This board mounts
[POWER], [INPUT]/[ENTER], [MENU], [UP], [DOWN], [RIGHT], and [LEFT] buttons.
. H2 board
This board mounts two-color LED, which displays the status of this unit, and a remote control photosensing block.
. LOGO board
This is an LED board used for shining a SONY logo.
. SP board
This board mounts a speaker output terminal for audio output.
. G6 board
This is a power board that has output voltages of STBY5 V, 5 V, 12 V, and 13 V.

3-1. A Board

The A board mounts HD15 (CN1), HDMI1 (CN12), and HDMI2 (CN11) as a video input terminal. The signal from option slot 1 is input from CN14, and the signal from option slot 2 is input from CN13 through the JT board. The RGB/YPbPr signals from HD15, and slots 1 and 2 are directly input to a scaler circuit (U5). HDMI1 and HDMI2 signals are switched using an equalizer (U20), and the selected TMDS signal is input to the scaler circuit. An equalizer switches signals and controls the signal output, by the port control (SEL_H and CE_H) from a scaler circuit. The CVBS and Y/C signals from an option slot are input through a p-type filter circuit to a scaler circuit. The video signal from which an HDMI signal was eliminated is input to a scaler circuit without passing through a switch circuit. However, the RGB sync signals from slots 1 and 2, and HD15 are selected using a switching circuit (U3) by HV_SA and HV_SB signals and input to a scaler circuit. The input signal from HD15 is used for a video sync signal. It is switched using a switching circuit (U4) by a SYNC_MO signal and input to the port of a scaler circuit that differs from the case of an H sync signal. In a scaler circuit, resolution is converted according to the display panel, and various picture qualities as well as wide­angle setting or zoom setting are set and LVDS-transferred to the panel through CN2.
FWD-40LX2F FWD-40LX2X
There are the analog input from a mini-jack (CN3), slot 1, or slot 2 and the digital input from HDMI in an audio input. An analog audio signal is input to an audio proces­sor circuit (U14). The audio signal from HDMI is output from a scaler circuit as an I2S signal and input to U14. The audio processor circuit is controlled by I2C to switch the input and set the sound quality and volume. The selected audio signal is passed through an amplifier circuit (U17) and output to the SP board through CN10. The mini-jack input cannot be only selected as the function of the main unit only during HD15 input, but also it can be selected as an audio input during conversion of DVI into HDMI. An audio signal is muted by the software control of an audio processor and the hardware control of an amplifier.
3-1
Page 20
This unit is used for BKM-FW20 that has RS-232C and Control-S as an option board. The RS-232C (UART) signal from an option slot is selected using a switching circuit (U41). The signals from option slots 1 and 2 are selected when OP1_RS_EN or OP2_RS_EN is set low on the option side. OP1_RS_EN or OP2_RS_EN is low during initial setting of BKM-FW20. Slot 2 has priority when both OP1_RS_EN and OP2_RS_EN are low. The selected RS-232C signal is connected to the control port or firmware write port of a scaler circuit using a switching circuit (U31). It is switched to the firmware write port position when an FWE signal is set low on the option side as the control of U31. The FWE signal is high during initial setting of BKM-FW20. The signal (IR) from a remote control photosensing block is shifted in level to a signal (IRO) of 5 V to 3.3 V using U27, branching to each option slot connector. The Control-S signals (OP1_IRI and OP2_IRI) from the IRO signal and each option slot are input to a switching circuit (U29), selected, and input to the IR port of a scaler circuit. Which signal to select is determined by controlling the OP1_S_EN and OP2_S_EN signals from each option. When BKM-FW20 is not connected, each signal is set high and an IRO signal is selected. The IRI signal from each slot is selected when OP1_S_EN and OP2_S_EN signals are set low. Slot 2 has priority when both OP1_S_EN and OP2_S_EN signals are low. The OP1_S_EN and OP2_S_EN signals are low during initial setting of BKM-FW20.
The A board mounts a real time clock circuit (U11). The real time clock circuit is controlled by I2C. A timer function is controlled based on the time read operation by polling from a scaler. During timer correction, a timer is adjusted to an error of 3 ppm by outputting a pulse of 1 Hz to CN8 and putting a correction value in the register of IC according to the obtained measurement value. The corrected value is obtained in the adjustment stage of a single board at a factory and stored in memory. It is not lost even in the state in which the power is not connected. A button battery is connected to RTC. Even with the AC power not connected, power is supplied to IC so that U11 operates continuously.
A PWM signal (LOGO_PWM) is output from a scaler circuit to the LOGO board that shines a SONY logo. The output signal of an amplifier circuit (U28) is integrated to drive LED on the LOGO board as a DC signal. This LED is turned on and off using the LOGO_EN signal from a scaler circuit.
An option board is discriminated by discriminating OP1_SENSE1, OP1_SENSE2, OP2_SENSE1, and OP2_SENSE2 signals at the ADC port of a scaler circuit using a voltage. These signals are passed through IC (U30) and switched using the control signals (Q_SEL1 and Q_SEL2) from the scaler circuit. Only when the power is turned on, these signals are switched and the option board is discriminated. After that, the output signal U30 is switched to power temperature (PS_TEMP) and polled as a self-diagnosis function.

3-2. H1 Board

A button input signal is sent to the A board as a DC voltage signal. 1 V, 1.5 V, and 2.2 V are sent to an ADC_IN2 signal when you press the [MENU], [INPUT], and [LEFT] buttons. 1 V, 1.5 V, and 2.2 V are sent to an ADC_IN1 signal when you press the [RIGHT], [DOWN], and [UP] buttons. 0 V is sent when you press only the [POWER] button as a PWR_KEY signal. Each signal is set to 3.3 V when you press no button.

3-3. H2 Board

The H2 board mounts an infrared remote control photosen­sor (IU1) and sends data to the A board as an IR signal. This board also mounts two-color LED (ID5) that displays the status of this unit. The LED controls light emission by controlling the cathode.
The backlight of LCD is controlled by the PWM signal (BL_CONT) from a scaler circuit. The PWM signal is inverted using Q20, integrated using R373 and C356, and output to CN19 as a DC signal (INV_ADJ). The On/Off signal (PBIAS) of a panel inverter is output from the dedicated port of a scaler and then output from CN19 as an INV_ON signal.
3-2
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Page 21

3-4. G6 Board

AC input/rectification block
CN901 on the G6 board is connected to an AC inlet and AC power is input from the AC inlet. The input AC power is passed through an AC noise filter consisting of C910, C901, C904, L901, L903, and L904 and bridge-rectified using BD901.
PFC converter
AC power is rectified using BD901 and the power factor is improved using a PFC converter consisting of Q911, IC911, T911, D912, C920, and C921. Moreover, an output voltage is increased and stabilized to 390 VDC. The smoothed output voltage is supplied to a standby converter and main converter.
Standby converter
5 V (5 VD and 5 VS) and 12 V are output from a switching converter consisting of IC931 and T931. 5 VD is output from CN931 (pins 2 to 4), and 5 VS is output from CN931 (pin 8). 12 V is output from CN950 (pins 6 and 7). During standby, however, the output voltage that is not increased, but smoothed is supplied from a PFC converter.
Main converter
17 V and 13 V are output from a switching converter consisting of IC950, IC951, Q950, Q951, T950, and T913. 17 V is output from CN951 (pins 1 to 5), and 13 V is output from CN950 (pins 2 and 3).
Main ON/OFF control
A PFC converter and main converter are turned on and off by CN931 (pin 1) when a PS signal is set high and low using a microcomputer. Q934 is turned on when a PS signal is high. A PFC converter is turned on when Q931 is turned on. A main converter is started when IC913 is started after Q931 is turned on. Q934 is turned off when a PS signal is low. A PFC converter and main converter stop operation when Q931 is turned off and when IC913 is stopped.
FWD-40LX2F FWD-40LX2X
3-3
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Section 4

Electrical Alignment

4-1. Service Mode

4-1-1. Start

1. Input any signal to this unit.
2. Turn on the power of this unit.
3. Perform the operation below using a remote controller
(RM-FW001) supplied for this unit with OSD not displayed. (1) Press the button two times. (2) Press the [MUTING] button. (3) Press the button. (4) Press the [MUTING] button. (5) Press the [MENU] button. The service mode is started.

4-2. White Balance Adjustment

This unit is adjusted to the prescribed white balance during factory setting. The average value of white balance is written in the A board during factory setting. (AD calibra­tion has also been adjusted during factory setting.) Perform the adjustment in this section when white balance adjustment is required.
Initial values of A board
**
*1
**
COOL 235 223 255 122 125 124 NEUTRAL 253 238 250 122 124 125 WARM 255 235 222 121 123 125
*1: GAIN *2: OFFSET

4-2-1. Preparation

Required equipment
RED GREEN BULE RED GREEN BLUE
**
*1
**
**
*1
**
**
*2
**
**
*2
**
**
*2
**
. Signal generator
n
It is recommended to use 480i (HD15 Component) as a connection signal. However, the signal to be actually input can also be used.
. Color thermometer
Preparation
1. Input a signal to this unit and age for 30 minutes or more.

4-2-2. Setting

1. Start the service mode. (Refer to Section 4-1-1.)
2. Select “HD15” by “INPUT SOURCE” in a menu.
n
Select according to the input signal when inputting any signal.
n
To exit this screen, press the [MENU] button.
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4-1
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4-2-3. Cool Adjustment

4-2-5. Warm Adjustment

1. Select COOL by Color Temperature in a menu.
2. Put the sensor of a color thermometer to the center of the screen.
3. Input a fully white signal of 65% (IRE).
4. Change the R GAIN, G GAIN, and B GAIN values in a menu and adjust so that x and y satisfy the specifica­tions below. COOL: x = 272 ±1, y = 277 ±1
5. Input a fully white signal of 25% (IRE).
6. Change the R OFFSET, G OFFSET, and B OFFSET values in a menu and adjust so that x and y satisfy the specifications below. COOL: x = 269 ±3, y = 275 ±3
7. Repeat steps 3 to 6 to keep balance.
8. Exit the service mode using a [MENU] button. The adjustment data is saved.

4-2-4. Neutral Adjustment

1. Select Warm by Color Temperature in a menu.
2. Put the sensor of a color thermometer to the center of the screen.
3. Input a fully white signal of 65% (IRE).
4. Change the R GAIN, G GAIN, and B GAIN values in a menu and adjust so that x and y satisfy the specifica­tions below. WARM: x = 305 ±1, y = 315 ±1
5. Input a fully white signal of 25% (IRE).
6. Change the R OFFSET, G OFFSET, and B OFFSET values in a menu and adjust so that x and y satisfy the specifications below. WARM: x = 308 ±3, y = 317 ±3
7. Repeat steps 3 to 6 to keep balance.
8. Exit the service menu using a [MENU] button. The adjustment data is saved.
1. Select NEUTRAL by Color Temperature in a menu.
2. Put the sensor of a color thermometer to the center of the screen.
3. Input a fully white signal of 65% (IRE).
4. Change the R GAIN, G GAIN, and B GAIN values in a menu and adjust so that x and y satisfy the specifica­tions below. NEUTRAL: x = 287 ±1, y = 294 ±1
5. Input a fully white signal of 25% (IRE).
6. Change the R OFFSET, G OFFSET, and B OFFSET values in a menu and adjust so that x and y satisfy the specifications below. NEUTRAL: x = 287 ±3, y = 293 ±3
7. Repeat steps 3 to 6 to keep balance.
8. Exit the service mode using a [MENU] button. The adjustment data is saved.
4-2
FWD-40LX2F FWD-40LX2X
Page 25

5-1. Notes on Repair Parts

1. Safety Related Components Warning
w
Components marked ! are critical to safe operation. Therefore, specified parts should be used in the case of replacement.
2. Standardization of Parts
Some repair parts supplied by Sony differ from those used for the unit. These are because of parts common­ality and improvement.
3. Stock of Parts
Parts marked with “o” at SP (Supply Code) column of the spare parts list may not be stocked. Therefore, the delivery date will be delayed.
Section 5

Spare Parts

4. Harness
Harnesses with no part number are not registered as spare parts.
The components identified by mark contain confidential information. Strictly follow the instructions whenever the components are repaired and/or replaced.
FWD-40LX2F FWD-40LX2X
5-1
Page 26
Cover Block

5-2. Exploded Views

PSW M6 x 20
11
10
2
8
11
8
12
12
16
17
7
13
13
BVTP 3 x 8
12
19
20
13
14
A
1
B
4
13
12
13
12
12
12
A
9
13
20
B
FWD-40LX2F/S FWD-40LX2F/B
13
19
12
12
FWD-40LX2F/S FWD-40LX2F/B
3
FWD-40LX2X
No. Part No. SP Description 1 A-1215-079-A o U10 BLOCK ASSY
2 A-1215-080-A o U20 BLOCK ASSY 3 X-2149-770-1 s BEZEL ASSY (FOR FWD-40LX2F/S) X-2159-382-1 s BEZEL ASSY (FOR FWD-40LX2F/B) X-2067-326-2 s BEZEL ASSY (FOR FWD-40LX2X) 4 X-2149-771-1 s CABINET ASSY 5 1-789-684-11 s MOUNTED CIRCUIT BOARD, LOGO
6 1-789-685-11 s MOUNTED CIRCUIT BOARD, H2 7 1-789-686-11 s MOUNTED CIRCUIT BOARD, H1 8 2-159-507-11 s CABLE COVER, SIDE 9 2-159-508-11 s CABLE COVER BOTTOM 10 2-580-594-01 s SCREW, +PSW M3X12
No. Part No. SP Description 11 2-580-602-01 s SCREW, +PSW M4X12
12 2-580-628-01 s SCREW, +BVST 3X6 13 2-580-639-01 s SCREW, +BVTP2 4X12 14 2-667-019-01 s HOOK 15 2-681-589-21 s LIGHT GUIDE (FOR FWD-40LX2F/S) 2-681-589-31 s LIGHT GUIDE (FOR FWD-40LX2F/B) 2-159-493-02 s LIGHT GUIDE (FOR FWD-40LX2X)
16 2-697-732-01 s CONTROL BUTTON PANEL 17 2-697-733-01 s CONTROL BUTTON 18 3-254-058-01 s SCREW 19 2-319-096-51 o CUSHION 20 2-319-096-41 o CUSHION
BVTP 3 x 8
15
FWD-40LX2F/S FWD-40LX2F/B
18
5
15
6
5-2
7-628-000-10 s SCREW +PSW M6X20 7-685-646-79 s SCREW +BVTP 3X8 TYPE2 IT-3
FWD-40LX2F FWD-40LX2X
Page 27
114
110
102
104
Chassis Block
114
110
114
103
114
116
115
101
113
119 119
119
112
116
118
106
110
116
116
109
114
114
120 120121
BVTP 3 x 8
117
107
No. Part No. SP Description
No. Part No. SP Description 101 ! 1-576-233-51 s FUSE (H.B.C.) (6.3A/250V) 102 ! 1-756-157-11 s BATTERY, LITHIUM 103 1-789-674-11 s MOUNTED CIRCUIT BOARD, G6 104 1-789-676-11 s MOUNTED CIRCUIT BOARD, A (FOR FWD-40LX2F/S, FWD-40LX2F/B) 1-789-678-11 s MOUNTED CIRCUIT BOARD, A
111 2-580-594-01 s SCREW, +PSW M3X12
112 2-580-602-01 s SCREW, +PSW M4X12
113 2-580-606-01 s SCREW, +PSW M5X8
114 2-580-628-01 s SCREW, +BVST 3X6
115 2-890-185-11 s WIRE SADDLE (FOR FWD-40LX2X) 105 1-789-682-11 s MOUNTED CIRCUIT BOARD, SP
116 2-890-185-01 s WIRE SADDLE
117 2-990-241-02 s HOLDER (A), PLUG 106 1-789-683-11 s MOUNTED CIRCUIT BOARD, JT 107 1-802-267-12 s LCD PANEL (40INCH WXGA TFT) 1-802-267-22 s LCD PANEL (40INCH WXGA TFT)
118 4-083-966-01 s SCREW, HEXAGON
119 2-580-591-01 s SCREW, PSW M3X5
120 2-898-753-01 s GASKET 1-802-267-32 s LCD PANEL (40INCH WXGA TFT) 108 1-820-823-11 s AC INLET
121 2-898-753-11 s GASKET 109 2-580-592-01 s SCREW, +PSW M3X8 110 2-580-593-01 s SCREW, +PSW M3X8
7-685-646-79 s SCREW +BVTP 3X8 TYPE2 IT-3
FWD-40LX2F FWD-40LX2X
105
108
111
5-3
Page 28
Packing Block
208
201
204
202
212
205
213
203
214
210
206
207
209
No. Part No. SP Description 201 1-479-983-11 s REMOTE COMMANDER (RM-FW001)
202 9-885-099-05 s BATTERY COVER (FOR RM-FW001) 203 1-566-316-11 s CONNECTOR, CONVERSION 204 1-830-712-11 s CONNECTION CABLE (VIDEO CABLE) 205 X-2176-505-1 s CABLE HOLDER PACKING, 4P
206 2-890-214-01 s MANUAL,INSTRUCTION (JAPANESE,ENGLISH,FRENCH,GERMAN, SPANISH,ITALIAN,SIMPLIFIED CHINESE) 207 2-890-195-01 s ACCESSORY BOX 208 2-890-193-01 s CUSHION (UPPER) 209 2-890-194-01 s CUSHION (LOWER) 210 2-890-196-01 s PROTECTION BAG
211 2-890-192-01 s INDIVIDUAL CARTON 212 2-990-242-01 s HOLDER (B), PLUG 213 3-613-640-01 o PLUG,HOLDER C 214 ! ------------ CORD, POWER (See Sec.1-4. Warning on Power Connection)
5-4
211
FWD-40LX2F FWD-40LX2X
Page 29
SS-SP40FW
Overall Block
No. Part No. SP Description
304
304
301
303
304
304
303
302
301 A-1127-888-A s SPEAKER ASSY (40R) (RP) (SILVER) A-1129-682-A s SPEAKER ASSY (40R) (RP) (PEARL WHITE) 302 A-1127-889-A s SPEAKER ASSY (40L) (RP) (SILVER) A-1129-683-A s SPEAKER ASSY (40L) (RP) (PEARL WHITE) 303 2-580-602-01 s SCREW, +PSW M4X12 304 2-580-639-01 s SCREW, +BVTP2 4X12
FWD-40LX2F FWD-40LX2X
5-5
Page 30
Board Connections
TOP SIDE
H1 Board
KCN1
6
CN202L CN201R
CTRL Board
CN101
4
CN1
CN951
3
G6 Board
INVERTER Board
CN950 CN931
2
5
ICN18
H2 Board LOGO Board
LCN1
SP Board
SCN2
1
CN7
CN2
CN4
CN18
CN19
A Board
CN17
CN10
CN16
8
JT Board
7
No. Part No. SP Description
1
1-910-031-70 s CONNECTOR ASSY (LVDS)
2
1-910-031-77 o CONNECTOR ASSY 8P MAIN
3
1-910-031-78 o CONNECTOR ASSY 12P MAIN
4
1-910-031-79 o CONNECTOR ASSY 14P POWER
5
1-910-031-80 o CONNECTOR ASSY 7P IR
6
1-910-031-81 o CONNECTOR ASSY 5P KEY
7
1-910-031-82 o CONNECTOR ASSY 3P LOGO
8
1-910-031-83 o CONNECTOR ASSY 4P SP
5-6
FWD-40LX2F FWD-40LX2X
Page 31

6-1. Overall Block Diagrams

HDMI1
HDMI2
HDMI
PC_R/G/B
HS/PC_VS
HS
PC_VS
PC_CVBS
PC_HS VGA_HS/VS
OP1_HS/VS
OP2_HS/VS
PC_L/R
AU2_L/R
AU1_L/R
I
2
S_WS/DA/CL
RGB/YPbPr
YC
CVBS
H/V
AUDIO 1
RGB/YPbPr
YC
CVBS
H/V
AUDIO 1
MSTR1_SCL/SDA
I
2
C_3.3v
I
2
C_NVM
I
2
C_5v
FOR SCART(RGB)
L: H/V , H: VIDEO
AB : SEL LL : HD15 HL : OP1 LH : OP2
PC_HS/VS
OP1_PY/PB/PR
H: HDMI1, L: HDMI2
H: ENABLE, L: DISABLE
L: RESET , H: NORMAL
L: MUTE H: NORMAL
SPK_L/R
AUDIO_L/R
I
2
C_5V
I
2
C_5V
I
2
C_3.3V
LVDS
LCD
PANEL
HDMI_EQ
AU
JACK
NVM
D-AMP
TEMP
AUDIO
PROCESSOR
RTC
CORTEZ PLUS
SEL_H
CE_H
SELECTOR
SELECTOR
SYNC_MODE
HV_SB
HV_SA
OP2_PY/PB/PR
OP1_Y/C
OP2_Y/C
OP1_CVBS
OP2_CVBS
MUTE
RESET
HDMI_INPUT PORT
A/B/C_2
SV_4 A/B/C_3 B_1/C_1 SV_2 SV_1
HS/VS
MSTR2_SCL/SDA
I
2
S_OUT
MSTR0_SCL/SDA
A/B/C_4
A_1/SV_3
HD15
HDMI2
HDMI1
I2C_NVM
DDRx2
LPF
LPF
LPF
LPF
OPTION1
(U10 BLOCK)
OPTION2
(U20 BLOCK)
Overall (1/2)Overall (1/2)
Section 6

Diagrams

FWD-40LX2F FWD-40LX2X
6-1
6-1
SIGNAL & I2C BLOCK
Overall (1/2)
Page 32
Overall (2/2) Overall (2/2)
2
C
I
NVM
2
I
C TRANS
HDMI1
HDMI2
HD15
OPTION1
(U10 BLOCK)
RS_OUT_EN
UART
S_OUT_EN
SIRCS IN
SIRCS OUT
QSENSE
RESET
ALARM
IR
5V 8 3.3V
CE_REMOTE1
2
I
C
CE_REMOTE2
2
C
I
TX/RX_PC
LEVEL SHIFT
HP_DET1
HP_DET2
NVM
VGA_CAB
NVM
OP1_TX/RX
OP2_TX/RX
EDID2
INPUT H: PULG IN, L: NC OUTPUT L: CONNECT REQUEST
INPUT H: PULG IN, L: NC OUTPUT L: CONNECT REQUEST
2
I
C TRANS
EDID3
H: NC, L: PULG IN
2
C TRANS
I
EDID1
UART
SELECTOR
NAND
TX/RX
N_RS_ RCV_EN
OP_ RS_EN
VGA_SDA/SCL
UART
SELECTOR
N_OP_RS_EN
NOT
DSCA/DSCL_COM
SELECTOR
SEL_H
IRO
OP1_IRI
OP2_IRI
RS_RCV_E
L: OP1 or OP2(NORMAL) H: OP1 5 OP2
CE_REMOTE
H: HDMI1, L: HDMI2
IR
SELECTOR
OP2_S_EN
OP1_S_EN
IRDATA
OP1 OP2 SEL L L OP2 L H OP1 H L OP2 H H IRO
TXD/RXD
CORTEZ PLUS
VGA0_SDA/SCL VGA1_SDA/SCL UDI/O_0
BDATA11
IR0
LBADC_3/4
CONTROLLED_DEVICE_SDA
CONTROLLED_DEVICE_SCL
GPIO
LBADC_IN1/2
OCM_TIMER
OCM_CS1
BDATA14
PWM2
IPCLK3
IPCLK3
PWM0
PWER-KEY
ADC_IN1/2
LED_G1
LED_R1
LED_G2
LED_R2
L: OFF, H: ON
LOGO_EN
LOGO_PWM
RESET
L: RESET H: NORMAL
INV_DET
L: ABNORMAL or OFF H: NORMAL ON
BL_CONT
KEY
LED
L: OFF, H: ON
TO LOGO CIR
TO AUDIO DEC
LCD
PANEL
OPTION2
(U20 BLOCK)
RS_OUT_EN
UART
S_OUT_EN
SIRCS IN
SIRCS OUT
QSENSE
RESET
ALARM
OP1_QSENSE1/2
OP2_QSENSE1/2
GRESET
ALARM: PULSE OUT
UART
SELECTOR
SENSE1/2
QSENSE
SELECTOR
L: RESET , H: NORMAL
Q_SEL1
Q_SEL2
SEL1 SEL2 SELECT L L OP1 H L OP2
6-2
6-2
RESET
POWER_OFF
TO POWER SUPPLY
DIPEXTCOAST
AU_ON
FOR AUDIO AMP
FOR PANEL LOGIC POWER
PPWERBDATA16
PPWR
FOR PANEL INSERTER POWER
PBIAS
PBIAS
CONTROL BLOCK
Overall (2/2)
FWD-40LX2F FWD-40LX2X
Page 33
Frame Wiring Frame Wiring
LCD PANEL

6-2. Frame Wiring

AC INLET
H1
G6
CN951
17V
1 2
17V
3
17V
4
17V
5
17V
6
GND
7
GND
8
GND
9
GND
10
GND
11
DET
12
INV_ON/OFF
13
DIM
14
GND
CN901
1
L
N.C
2
N
3
SPEAKER
SPEAKER
SP
KCN1
ADC_IN2
GND
ADC_IN1
GND
PWR_KEY
CN950
DET 13V 13V GND GND 12V 12V GND GND
10
PS_TEMP
DIM
CN931
5VD 5VD 5VD GND GND GND 5VS
SCN2 L+ L­R­R+
11 12
INV_ON/OFF
PS ON/OFF
Note: The components identified by mark contain confidential
information. Strictly follow the instructions whenever the components are repaired and/or replaced.
A
CN7
ADC_IN2
1 2 3 4 5
1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8
1 2 3 4
1 2 3
ADC_IN1 4 5
PWR_KEY
CN19
INV_DET
1 2
13V-G
3
13V-G 4 5 6
12V-G 7
12V-G 8 9
10
PS_TEMP1
11
INV_ON
12
INV_ADJ
13
CN18
1
POWER_OFF
2
5V-G1 3
5V-G1 4
5V-G1 5 6 7 8
5V-G1
CN10
AUDIO_L+
1 2
AUDIO_L-
3
AUDIO_R-
4
AUDIO_R+
GND
GND
GND GND
GND GND
NC
GND GND GND
CN2
GND TXA10­TXA10+
GND TXA11­TXA11+
GND TXA12­TXA12+
GND TXA1C­TXA1C+
GND TXA13­TXA13+
GND
NA
GND
GND
GND
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
1 2 3 4 5 6 7 8 9
DCC LUT SEL0 DCC LUT SEL1 DCC LUT SEL2
DCC SEL1 DCC SEL0
5V_PANEL 5V_PANEL 5V_PANEL 5V_PANEL 5V_PANEL
INVERTER
CN1
1
17.5V
2
17.5V
3
17.5V
4
17.5V
5
17.5V
6
GND
7
GND
8
GND
9
GND
10
GND
11
Panel_DET
12
BL_ON/OFF
13
VDIM
14
GND
CN101
1
Power
2
Power
3
Power
4
Power
5
Power
6
GND
7
GND
8
GND
9
NC
10
NC
11
RxIN0-
12
RxIN0+
13
GND
14
RxIN1-
15
RxIN1+
16
GND
17
RxIN2-
18
RxIN2+
19
GND
20
LVDS Clock-
21
LVDS Clock+
22
GND
23
RxIN3-
24
RxIN3+
25
GND
26
NA
27
NC
28
GND
29
NC
30
NC
31
NC
32
NC
33
NC
34
DCC SEL0
35
DCC SEL1
36
DCC LUT SEL0
37
DCC LUT SEL1
38
DCC LUT SEL2
39
NC
40
NC
41
NC
CTRL
1
2
3
4
1 2 3 4 5 6 7 8 9
1 2 3
CN17
GND
5V-G
IR NC NC
GREEN2
RED2
NC NC
CN16
5V
GND
LOGO_ON
6-3
JT
U20
5
U10
Frame Wiring
6-3
FWD-40LX2F FWD-40LX2X
H2
RED
GREEN
NC NC IR
5V GND GND
LOGO
5V
GND
LOGO_ON
GND(FOR EARTH)
ICN18
LCN1
1 2 3 4 5 6 7 8
CHASSIS GND
1 2 3 4
CHASSIS GND
A BCDEFGH
Page 34
Page 35
SAFETY CHECK-OUT
After correcting the original service problem, perform the following safety checks before releasing the set to the customer :
Check the 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 3.5 mA. 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 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” indication is 5.25 V, so analog meters must have an accurate low­voltage scale. The Simpson 250 and Sanwa SH-63Trd are examples of a passive VOM that is suitable. Nearly all battery operated digital multimeters that have a 20 V AC range are suitable. (See Fig. A)
FWD-40LX2F FWD-40LX2X
To Exposed Metal Parts on Set
0.15 µF 1.5 k
Fig A. Using an AC voltmeter to check AC leakage.
Z
Earth Ground
AC voltmeter (5.25V)
Page 36
FWD-40LX2F (WW) FWD-40LX2X (WW) E 9-834-142-02
Printed in Japan
Sony Corporation 2007. 2 22
©2006
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