PHILIPS 20LW202222 Technical Service

Philips Consumer Electronics

Technical Service Data

Service and Quality Service Publications Dept. One Philips Drive P.O. Box 14810 Knoxville, TN 37914

Manual 7602

Model no.: 20LW202222 First Publish: 5-10-2001 Rev. Date: 10-16-2002 Print Date: 19/11/2005

Electrical Adjustments

REFER TO SAFETY GUIDELINES

SAFETY NOTICE: ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.

CAUTION: USE A SEPARATE ISOLATION TRANSFORMER FOR THIS UNIT WHEN SERVICING

Alignments

Note:

Codes And Fault Finding. Menu navigation is done with the 'CURSOR UP, DOWN, LEFT or RIGHT' keys of the

remote control transmitter.

The Service Default Mode (SDM) and Service Alignment Mode (SAM) are described in Service Modes Error

General Alignment Conditions

Perform all electrical adjustments under the following conditions:

• AC voltage and frequency: 110 V (± 10 %), 60 Hz (± 5 %).

• Connect the set to the AC power via an isolation transformer.

• Allow the set to warm up for approximately 20 minutes.

• Measure the voltages and waveforms in relation to chassis ground (with the exception of the voltages on the

primary side of the power supply). Never use the cooling fins / plates as ground.

• Test probe: Ri > 10 MΩ; Ci < 2.5 pF.

• Use an isolated trimmer / screwdriver to perform the alignments.

Hardware Alignments

Fig. 1

Vg2 Adjustment

1. Activate the SAM.

2. Go to the WHITE TONE sub menu.

3. Set the values of NORMAL RED, GREEN and BLUE to 40.

4. Go, via the MENU key, to the normal user menu and set

- CONTRAST to zero.

- BRIGHTNESS to minimum (OSD just visible in a dark room).

5. Return to the SAM via the MENU key.

6. Connect the RF output of a pattern generator to the antenna input. Test pattern is a 'black' picture (bl ank screen on CRT without any OSD info).

7. Set the channel of the oscilloscope to 50 V/div and the time base to 0.2 ms (external triggering on the vertical pulse).

8. Ground the scope at the CRT panel and connect a 10:1 probe to one of the cathodes of the picture tube socket (see diagram B).

9. Measure the cut off pulse during first full li n e after the frame blanking (see Fig. 2). You will see two pulses, one being the cut off pulse and the other being the white drive pulse. Choose the one with the lowest value, this is the cut off pulse.

10. Select the cathode with the highest V potentiometer (see Fig. 1) on the LOT to the correct value (see table below).

11. Restore BRIGHTNESS and CONTRAST to normal (= 31).

Fig. 2

DC value for the alignment. Adjust the Vcutoff of this gun with the SCREEN

Focusing

1. Tune the set to a circle or crosshatch test pattern (use an external video pattern generator).

2. Choose picture mode NATURAL (or MOVIES) with the 'SMART PICTURE' button on the remote control transmitter.

3. Adjust the FOCUS potentiometer (see Fig.1) until the vertical lines at 2/3 from east and west, at the height of the centerline, are of minimum width without visible haze.

Software Alignments And Settings

Enter the Service Alignment Mode (see Service Modes Error Codes And Fault Finding.). The SAM menu will now appear on the screen.

Options

Display Option Byte Table

Options are used to control the presence / absence of certain features and hardware.

How to change an Option Byte

n Option Byte represents a number of differen t op ti ons. Changing these bytes directly makes it possible to set all options very fast. All options are controlled via seven option bytes. Select the option byte (OB1.. OB7) with the MENU UP/DOWN keys, and enter the new value. Leaving the OPTION submenu saves changes in the Option Byte settings. Some changes will only take effect after the set has been switched OFF and ON with the AC power switch (cold start).

How to calculate the value of an Option Byte

Calculate an Option Byte value (OB1 .. OB7) in the following way:

1. Check the status of the single option bits (OP): are they enabled (1) or disabled (0).

2. When an option bit is enabled (1) it represents a certain value (see column 'Dec. value' in table below). When an

option bit is disabled, its value is 0.

3. The total value of an Option Byte is formed by the sum of its eight option bits.

Option Bit Assignment

Following are the option bit assignments for all L01 software clusters.

• Option Byte 1 (OB1)

− OP10: CHINA

− OP11: VIRGIN_MODE

− OP12: UK_PNP

− OP13: ACI

− OP14: ATS

− OP15: LNA

− OP16: FM_RADIO

− OP17: PHILIPS_TUNER

• Option Byte 2 (OB2)

− OP20: HUE

− OP21: COLOR_TEMP

− OP22: CONTRAST_PLUS

− OP23: TILT

− OP24: NOISE_REDUCTION

− OP25: CHANNEL_NAMING

− OP26: SMART_PICTURE

− OP27: SMART_SOUND

• Option Byte 3 (OB3)

− OP30: AVL

− OP31: WSSB

− OP32: WIDE_SCREEN

− OP33: SHIFT_HEADER_SUBTITLE

− OP34: CONTINUOUS_ZOOM

− OP35: COMPRESS_16_9

− OP36: EXPAND_4_3

− OP37: EW_FUNCTION

• Option Byte 4 (OB4)

− OP40: STEREO_NON_DBX

− OP41: STEREO_DBX

− OP42: STEREO_PB

− OP43: STEREO_NICAM_2CS

− OP44: DELTA_VOLUME

− OP45: ULTRA_BASS

− OP46: VOLUME_LIMITER

− OP47: INCR_SUR

• Option Byte 5 (OB5)

− OP50: PIP

− OP51: HOTEL_MODE

− OP52: SVHS

− OP53: CVI

− OP54: AV3

− OP55: AV2

− OP56: AV1

− OP57: NTSC_PLAYBACK

• Option Byte 6 (OB6)

− OP60: Reserved (value = 0)

− OP61: SMART_TEXT

− OP62: SMART_LOCK

− OP63: VCHIP

− OP64: WAKEUP_CLOCK

− OP65: SMART_CLOCK

− OP66: SMART_SURF

− OP67: PERSONAL_ZAPPING

• Option Byte 7 (OB7)

− OP70: SOUND_SYSTEM_AP_3 /MULTI_STANDARD_EUR / SYSTEM_LT_2

− OP71: SOUND_SYSTEM_AP_2 / WEST_EU/ SYSTEM_LT_1

− OP72: SOUND_SYSTEM_AP_1

− OP73: COLOR_SYSTEM_AP

− OP74: Reserved (value = 0)

− OP75: Reserved (value = 0)

− OP76: TIME_WIN2

− OP77: TIME_WIN1

Option bit definition

• OP10: CHINA

0 : Tuning is not for China set, or this option bit is not applicable, 1 : Tuning is for China set, Default setting : 0.

• OP11: VIRGIN_MODE 0 :

Virgin mode is disabled or not applicable, 1 : Virgin mode is enabled. Plug and Play menu item will be displayed to perform installation at the initial startup of the TV when VIRGIN_MODE is set to 1. After installation is finished, this option bit will be automatically set to 0, Default setting : 0.

• OP12: UK_PNP

0 : UK's default Plug and Play setting is not available or not applicable, 1 : UK's default Plug and Play setting is available. When UK_PNP and VIRGIN_MODE are set to 1 at the initial setup, LANGUAGE = ENGLISH, COUNTRY = GREAT BRITAIN and after exiting from menu, VIRGIN_MODE will be set automatically to 0 while UK_PNP remains 1, Default setting : 0.

• OP13: ACI

0 : ACI feature is disabled or not applicable, 1 : ACI feature is enabled, Default setting : 0.

• OP14: ATS

0 : ATS feature is disabled or not applicable, 1 : ATS feature is enabled. Wh en ATS is enabled, it sorts the program in an ascending order starting from program 1, Default setting : 0.

• OP15: LNA

0 :Auto Picture Booster is not available or not applicable, 1: Auto Picture Booster is available, Default setting : 0.

• OP16: FM_RADIO

0 : FM radio feature is disabled or not applicabl e , 1 : FM radio feature is enabled, Default setting : 0.

• OP17: PHILIPS_TUNER

0 : ALPS / MASCO compatible tuner is in use, 1 : Philips compatible tuner is in use, Default setting : 0.

• OP20: HUE

0 : Hue/Tint Level is disabled or not applicable, 1 : Hue/Tint Level is enabled, Default setting : 0.

• OP21: COLOR_TEMP

0 : Color Temperature is disabled or not applicabl e , 1 : Color Temperature is enabled, Default setting : 0.

• OP22: CONTRAST_PLUS

0 : Contrast+ is disabled or not applicable, 1 : Contrast+ is enabled, Default setting : 0.

• OP23: TILT

0 : Rotate Picture is disabled or not applicable, 1 : Rotate Picture is enabled, Default setting : 0.

• OP24: NOISE_REDUCTION

0 : Noise Reduction (NR) is disabled or not applicable, 1 : Noise Reduction (NR) is enabled, Default setting : 0.

• OP25: CHANNEL_NAMING

0 : Name FM Channel is disabled or not applicable, 1 : Name FM Channel is enabled, Default setting : 0. Note : Name FM channel can be enabled only when FM_RADIO = 1.

• OP26: SMART_PICTURE

0 : Smart Picture is disabled or not applicable, 1 : Smart Picture is enabled, Default setting : 1

• OP27: SMART_SOUND

0 : Smart Sound is disabled or not applicable, 1 : Smart Sound is enabled, Default setting : 1

• AP30: AVL

0 : AVL is disabled or not applicable, 1 : AVL is enabled, Default setting : 0.

• OP31: WSSB

0 : WSSB is disabled or not applicable, 1 : WSSB is enabled, Default setting : 0. Note : This option bit can be set to 1 only when WIDE_SCREEN = 1.

• OP32: WIDE_SCREEN

0 : Software is used for 4:3 set or not applicable, 1 : Software is used for 16:9 set, Default setting : 0.

• OP33: SHIFT_HEADER_SUBTITLE

0 : Shift Header / Subtitle is disabled or not applicable, 1 : Shift Header / Subtitle is enabled, Default setting : 0. Note : This option bit can be set to 1 only when WIDE_SCREEN = 1.

• OP34: CONTINUOUS_ZOOM

0 : Continuous Zoom is disabled or not applicable, 1 : Continuous Zoom is enabled, Default setting : 0. Note : This option bit can be set to 1 only when WIDE_SCREEN = 1.

• OP35: COMPRESS_16_9

0 : COMPRESS 16:9 selection is not applicable. Item should not be in the FORMAT menu list, 1 : COMPRESS 16:9 selection is applicable. Item should not be in the FORMAT menu list, Default setting : 0.

• OP36: EXPAND_4_3

0 : Expand 4:3 selection is not applicable. Item should not be in the FORMAT menu list, 1 : Expand 4:3 selection is applicable. Item should be in the FORMAT menu list, Default setting : 0.

• OP37: EW_FUNCTION

0 : EW function is disabled. In this case, only Expand 4:3 is allowed, Compress 16:9 is not applicable. 1 : EW function is enabled. In this case, both Expand 4:3 and Compress 16:9 are applicable. Default setting : 0.

• OP40: STEREO_NON_DBX

0 : For AP_NTSC, chip TDA 9853 is not present, 1 : For AP_NTSC, chip TDA 9853 is present, Default setting : 0.

• OP41: STEREO_DBX

0 : For AP_NTSC, chip MSP 3445 is not present, 1 : For AP_NTSC, chip MSP 3445 is present, Default setting : 0.

• OP42: STEREO_PB

0 : For AP_PAL, chip MSP3465 is not present, 1 : For AP_PAL, chip MSP3465 is present, Default setting : 0.

• OP43: STEREO_NICAM_2CS

0 : For EU and AP_PAL, chip MSP 3415 is not present, 1 : For EU and AP_PAL, chip MSP 3415 is present, Default setting : 0.

• OP44: DELTA_VOLUME

0 : Delta Volume Level is disabled or not applic a bl e , 1 : Delta Volume Level is enabled, Default setting : 0.

• OP45: ULTRA_BASS

0 : Ultra Bass is disabled or not applicable, 1 : Ultra Bass is enabled, Default setting : 0.

• OP46: VOLUME_LIMITER

0 : Volume Limiter Level is disabled or not applicable, 1 : Volume Limiter Level is enabled, Default setting : 0.

• OP47: INCR_SUR

0 : Incredible Surround feature is disabled, 1 : Incredible Surround feature is enabled, Default setting : 1

• OP50: PIP

0 : PIP is disabled or not applicable,

1 : PIP is enabled, Default setting : 0.

• OP51: HOTEL_MODE

0 : Hotel mode is disabled or not applicable, 1 : Hotel mode is enabled, Default setting : 0.

• OP52: SVHS

0 : SVHS source is not available, 1 : SVHS source is available, Default setting : 0. Note : This option bit is not applicable for EU.

• OP53: CVI

0 : CVI source is not available, 1 : CVI source is available, Default setting : 0.

• OP54: AV3

0 : Side/Front AV3 source is not present, 1 : Side/Front AV3 source is present, Default setting : 0.

• OP55: AV2

0 : AV2 source is not present, 1 : AV2 source is present, Default setting : 0. Note : For EU, when AV2=1, both EXT2 and SVHS2 should be included in the OSD loop.

• OP56: AV1

0 : AV1 source is not present, 1 : AV1 source is present, Default setting : 0.

• OP57: NTSC_PLAYBACK

0 : NTSC playback feature is not available, 1 : NTSC playback feature is available, Default setting : 0.

• OP60: Reserved

Default setting : 0.

• OP61: SMART_TEXT

0 : Smart Text Mode and Favorite Page are disabled or not applicable, 1 : Smart Text Mode and Favorite Page are enabled, Default setting : 1.

• OP62: SMART_LOCK

0 : Child Lock and Lock Channel are disabled or not applicable for EU, 1 : Child Lock and Lock Channel are enabled for EU, Default setting : 1.

• OP63: VCHIP

0 : VCHIP feature is disabled, 1 : VCHIP feature is enabled, Default setting : 1.

• OP64: WAKEUP_CLOCK

0 : Wake up clock feature is disabled or not applicable, 1 : Wake up clock feature is enabled, Default setting : 1.

• OP65: SMART_CLOCK

0 : Smart Clock Using Teletext and Smart Clock Using PBS is disabled or not applicable, 1 : Smart Clock Using Teletext and Smart Clock Using PBS is enabled. For NAFTA, menu item AUTOCHRON is present in the INSTALL submenu, Default setting : 0.

• OP66: SMART_SURF

0 : Smart Surf feature is disabled or not applicable, 1 : Smart Surf feature is enabled, Default setting : 0.

• OP67: PERSONAL_ZAPPING

0 : Personal Zapping feature is disabled or not applicable, 1 : Personal Zapping feature is enabled, Default setting : 0.

• OP70: MULTI_STANDARD _EUR

0 : Not for Europe multi standard set, or this option bit is not applicable, 1 : For Europe multi standard set. Default setting : 0. Note : This option bit is used to control the SYSTEM selection in Manual Store : If MULTI_STANDARD_EUR = 1 then SYSTEM = Europe, West Europe, East Europe, UK, France otherwise SYSTEM = 'Europe, West Europe, UK for West Europe' (WEST_EU=1) or SYSTEM = 'Europe, West Europe, East Europe for East Europe' (WEST_EU=0)

• OP71: WEST_EU

0 : For East Europe set, or this option bit is not applicable, 1 : For West Europe set, Default setting : 0.

• OP71 and 70: SYSTEM_LT_1, SYSTEM_LT_2

These two option bits are allocated for LATAM system selection. 00 : NTSC-M 01 : NTSC-M, PAL-M 10 : NTSC-M, PAL-M, PAL-N 11 : NTSC-M, PAL-M, PAL-N, PAL-BG Default setting : 00

• OP70, 71 and 72: SOUND_SYSTEM_AP_1, SOUND_SYSTEM_AP_2, SOUND_SYSTEM_AP_3

These three option bits are allocated for AP_PAL sound system selection. 000 : BG 001 : BG / DK 010 : I / DK 011 : BG / I / DK 100 : BG / I / DK / M Default setting : 00

• OP73: COLOR_SYSTEM_AP

This option bit is allocated for AP-PAL color system selection. 0 : Auto, PAL 4.43, NTSC 4.43, NTSC 3.58 1 : Auto, PAL 4.43, NTSC 4.43, NTSC 3.58, SECAM Default setting : 0

• OP74: Reserved

Default setting : 0.

• OP75: Reserved

Default setting : 0.

• OP77 and 76: TIME_WIN1, TI ME_WIN2

00 :The time window is set to 1.2s 01 : The time window is set to 2s 10 : The time window is set to 5s 11 : not in use Default setting : 01 Note :The time-out for all digit entries depend on this setting.

Tuner

Note: Described alignments are only necessary when the NVM (item 7602) is replaced.

IF PLL

This adjustment is auto-aligned. Therefore, no action is required.

FW (AFC window)

Fixed value is OFF.

GC (AGC take over point)

Set the external pattern generator to a color bar video signal and connect the RF output to aerial in put. Set amplitude to 10 mV and set frequency to 61.25 MHz (channel 3). Connect a DC multimeter to pin 1 of the tuner (item 1000 on the main panel).

1. Activate the SAM.

2. Go to the TUNER sub menu.

3. Select AFW with the UP/DOWN cursor keys and set to ON.

4. Select AGC with the UP/DOWN cursor keys.

5. Adjust the AGC-value (default value is 27) with the LEFT/RIGHT cursor keys until the voltage at pin 1 of the tuner

lies between 3.8 and 2.3 V.

6. Select AFW with the UP/DOWN cursor keys and set to OFF.

7. Switch the set to STANDBY.

YD (Y-delay adjustment)

lways set to 3.

CL (Cathode drive level)

lways set to 4.

Read only bit, for monitoring purpose only.

White Tone

In the WHITE TONE sub menu, the values of the black cut off level can be adjusted. Normally, no alignment is needed for the WHITE TONE. You can use the given default values. The color temperature mode (NORMAL, COOL and WARM) and the color (R, G, and B) can be selected with the UP/DOWN RIGHT/LEFT cursor keys. The value can be changed with the LEFT/RIGHT cursor keys. First, select the values for the NORMAL color temperature. Then select the values for the COOL and WARM mode. After alignment, switch the set to standby, in order to store the alignments. Default settings:

1. NORMAL (color temperature = 10500 K):

− NORMAL R = 40

− NORMAL G = 40

− NORMAL B = 40

2. COOL (color temperature = 14000 K):

− DELTA COOL R = -2

− DELTA COOL G = 0

− DELTA COOL B = 6

3. WARM (color temperature = 8200 K):

− DELTA WARM R = 2

− DELTA WARM G = 0

− DELTA WARM B = -7

Geometry

The geometry alignments menu contains several items to align the set, in order to obtain a correct picture geometry.

Connect an external video pattern generator to the aerial input of the TV-set and input a crosshatch test pattern. Set the generator amplitude to at least 1 mV and set frequency to 61.25 MHz (channel 3).

1. Set 'Smart Picture' to NATURAL (or MOVIES).

2. Activate the SAM menu (see chapter 5).

3. Go to the GEOMETRY sub menu.

4. Choose HORIZONT AL or VERTICAL alignment Now the following alignments can be performed:

Horizontal:

• Horizontal Parallelogram (HP) Align straight vertical lines in the top and the bottom; vertical rotation around the

center.

• Horizontal Bow (HB) Align straight horizontal lines in the top and the bottom; horizontal rotation around the

center.

• Horizontal Shift (HSH) Align the horizontal center of the picture to the horiz ontal center of the CRT.

• East West Width (EWW) Align the picture width until the complete test pattern is visible.

• East West Parabola (EWP) Align straight vertical lines at the sides of the screen.

• Upper Corner Parabola (UCP) Align straight vertical lines in the upper corners of the screen.

• Lower Corner Parabola (LCP) Align straight vertical lines in the lower corners of the screen.

• East West Trapezium (EWT) Align straight vertical lines in the middle of the screen.

• H60 Align straight horizontal lines if NTSC system is used (60 Hz) i.s.o. PAL (50 Hz).

Vertical:

• Vertical slope (VSL) Align the vertical center of the picture to the vertical center of the CRT. This is the first of the

vertical alignments to perform. For an easy alignment, set SBL to ON.

• Vertical Amplitude (VAM) Align the vertical amplitude so that the complete test pattern is visible.

• Vertical S-Correction (VSC) Align the vertical linearity, meaning that vertical intervals of a grid pattern must be

equal over the entire screen height.

• Vertical Shift (VSH) Align the vertical centering so that the test pattern is located vertically in the middle. Rep eat

the 'vertical amplitude' alignment if necessary.

• Vertical Zoom (VX) The vertical zoom is added in for the purpose of development. It helps the designer to set a

proper values for the movie expand or movie(16x9) compress. Default value is 25.

• V60 Align straight vertical lines if NTSC system (60 Hz) is used i.s.o. PAL (50 Hz).

• Service blanking (SBL) Switch the blanking of the lower half of the screen ON or OFF (to be used in combination

with the vertical slope alignment).

In the table below, you will find the GEOMETRY default values for the different sets.

Audio

No alignments are needed for the audio sub menu. Use the given default values.

Default value is 8.

CMT

Default value is 42.

QSS

OFF for mono sets, ON for stereo sets.

FMI

OFF for mono sets, ON for stereo sets.

Philips Consumer Electronics

Technical Service Data

Service and Quality Service Publications Dept. One Philips Drive P.O. Box 14810 Knoxville, TN 37914

Manual 7602

Model no.: 20LW202222 First Publish: 5-10-2001 Rev. Date: 10-16-2002 Print Date: 19/11/2005

Troubleshooting

REFER TO SAFETY GUIDELINES

CAUTION: USE A SEPARATE ISOLATION TRANSFORMER FOR THIS UNIT WHEN SERVICING

Service Modes, Error Codes And Fault Finding

Test Points

The chassis is equipped with test points printed on the circuit board assemblies. These test points refer to the functional blocks:

Test point Circuit Diagram

A1-A2-A3-.. Audio processing A8, A9 / A11 C1-C2-C3-.. Control A7 F1-F2-F3-.. Frame drive and output A3 I1-I2-I3-.. Tuner & IF A4 L1-L2-L3-.. Line drive and output A2 P1-P2-P3-.. Power supply A1 S1-S2-S3-.. Synchronization A6 V1-V2-V3-.. Video processing A5, B1

The numbering is in a logical sequence for diagnostics.

lways start diagnosing within a functional block in the sequence of the relevant test points for that block. Perform measurements under the following conditions:

• Service Default Mode.

• Video: color bar signal.

• Audio: 3 kHz left, 1 kHz right.

Service Modes

Service Default Mode (SDM) and Service Alignment Mode (SAM) offer several features for the service technician, while the Customer Service Mode (CSM) is used for communication between dealer and customer. Note: Some L8 and M8 chassis sets use a software version that does not contain the Service Modes (see table). In this case, use the special Factory Mode Remote Control. This can be ordered by service code 4835 310 57511. Complete instructions are included. This remote control will place the TV in the Factory Mode and allow access to all adjustments that a normal Service Mode contains (including setting Option Bytes). Error codes will not be available. There is also the option of using ComPair, a hardware interface between a computer (see requirements) and the TV chassis. It offers the ability of structured trouble shooting, error code reading and software version readout for all L8 and M8 chassis. Requirements: To run ComPair on a computer (laptop or desktop) requires, as a minimum, a 486 processor, Windows 3.1 and a CD-ROM drive. A Pentium Processor and Windows 95/98 are also acceptable (see also

ComPair).

SW. cluster

1US0 L01UN0-x.y TDA9587 Stereo, All Servioce

Softwar name

UOC type Diversity Remark

1US0 L01UN0-x.y TDA9587 Stereo,

non-DBX, CC

1US1 L01US1-x.y TDA9587/

TDA9588

2US0 L01UM0-x.y TDA9587 Mono, CC All Service

2US1 L01UM1-x.y TDA9587 Mono, CC Without

3US0 L01US0-x.y TDA9588 Stereo,-DBXCCOnly

3US1 L01UN1-x.y TDA9587 Stereo,

Abbreviations in “Software Name”: U=USA, N=Stereo non-DBX, S=Stereo

DBX, M=Mono

Stereo,-DBXCCOnly

non-DBX, CC

All Servioce Modes

Com-Pair (*)

Modes

CSM (*)

Con-Pair (*) Without CSM (*)

Service Default Mode (SDM)

Purpose

• To create a predefined setting to get the same measurement results as given in this manual.

• To override SW protections.

• To start the blinking LED pr ocedure.

Specifications

• Tuning frequency: 61.25 MHz (channel 3).

• Color system: NTSC.

• All picture settings at 50 % (brightness, color contrast, hue).

• Bass, treble and balance at 50 %; volume at 25 %.

• All service-unfriendly modes (if present) are disabled, like:

− (sleep) timer,

− child/parental lock,

− blue mute,

− hotel/hospitality mode

− auto switch-off (when no 'IDENT' video signal is received for 15 minutes),

− skip / blank of non-favorite presets / channels,

− auto store of personal presets,

− auto user menu time-out.

How to enter SDM

• Use a standard customer RC-transmitter and key in the code 062596 directly followed by the MENU button, or

• Short wires 9631 and 9641 on the mono carrier and switch the set ON apply AC power. Then press the power

button (remove short after start-up). Caution: Entering SDM by shorten wires 9631 and 9641 will override the +8V-protection. Do this only for a short period. When doing this, the service-technician must know exactly what he is doing, as it could lead to damaging

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