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Sony Trinitron KV-BT21M80 Service Manual
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Sony Trinitron KV-BT21M80 Service Manual

Bx1 chassis
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REVISION HISTORY

BX1
CHASSIS
MODEL
9-872-418-01
PART NO. :
KV-BT21M80
NO.
SUFFIX
DATE
SUPPL. / CORR
DESCRIPTION
1
-01
2003/11
--
1st. Issue

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Summary of Contents for Sony Trinitron KV-BT21M80

  • Page 1: Revision History

    REVISION HISTORY CHASSIS MODEL 9-872-418-01 PART NO. : KV-BT21M80 SUFFIX DATE SUPPL. / CORR DESCRIPTION 2003/11 1st. Issue...

  • Page 2: Service Manual

    SERVICE MANUAL CHASSIS MODEL COMMANDER DEST. CHASSIS NO. MODEL COMMANDER DEST. CHASSIS NO. KV-BT21M80 RM-W101 Saudi Arabia SCC-V10FA TRINITRON COLOR TV ®...

  • Page 3: Table Of Contents

    THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. OR CARBON PAINTED ON THE CRT, AFTER REMOVING THE REPLACE THESE COMPONENTS WITH SONY PARTS ANODE. WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. – 2 –...

  • Page 4: Self Diagnostic Function

    KV-BT21M80 RM-W101 SELF DIAGNOSTIC FUNCTION The units in this manual contain a self diagnostic function. If an error occurs, the STANDBY (1) indicator will automatically begin to flash. A description of the self-diagnosis function is explained in the instruction manual. The number of times the STANDBY (1) indicator flashes translates to a probable source of the problem.
  • Page 5 KV-BT21M80 RM-W101 2. DISPLAY OF INDICATOR STANDBY (1) FLASH COUNT Diagnostic Item Flash Count* +B overcurrent 2 times 2 times V-Protect 4 times IK (AKB) 5 times 4 times Power Supply NG (+5V) 8 times 5 times for Video processor 8 times * One flash count is not used for self-diagnosis.
  • Page 6 KV-BT21M80 RM-W101 5. HANDLING OF SELF-DIAGNOSTIC SCREEN DISPLAY Since the diagnostic results displayed on the screen are not automatically cleared, always check the self-diagnostic screen during repairs. When you have completed the repairs, clear the result display to “0”. Unless the result display is cleared to “0”, the self-diagnosis function will not be able to detect subsequent faults after completion of the repairs.

  • Page 7: Disassembly

    KV-BT21M80 RM-W101 SECTION 1 DISASSEMBLY 1-2. SPEAKER REMOVAL 1-1. REAR COVER REMOVAL 2 Rear cover 1 Four screws (Washer Head) (+P4 × 16) 1 Eight screws (+BVTP 4 × 16 TYPE2 IT-3) 1-3. CHASSIS ASSY REMOVAL 1-4. SERVICE POSITION 1-5. TERMINAL BRACKET REMOVAL 1-6.

  • Page 8: Picture Tube Removal

    KV-BT21M80 RM-W101 1-7. PICTURE TUBE REMOVAL Note: • Please make sure the TV set is not in standing position before removing necessary CRT support located on bottom right and left. 1) Place the TV set with the CRT face down on a cushion jig.

  • Page 9: Set-Up Adjustments

    KV-BT21M80 RM-W101 SECTION 2 SET-UP ADJUSTMENTS • The following adjustments should be made when a Perform the adjustments in the following order : complete realignment is required or a new picture 1. Beam Landing tube is installed. 2. Convergence 3. Focus Set the controls as follows unless otherwise noted: 4.

  • Page 10: Convergence

    KV-BT21M80 RM-W101 Operation of V. STAT magnet. 2-2. CONVERGENCE If the V.Stat magnet is moved in the “A” and “B” arrows, the red, green and blue dots moves as shown below. • Before starting this adjustment, adjust the focus, horizontal size and vertical size.
  • Page 11 KV-BT21M80 RM-W101 (2) Convergence Rough Adjustment Preparation: • Before starting this adjustment, adjust the horizontal static convergence and the vertical static convergence Insert Correction Plate to DY Pocket ON DY: (Left or Right) YCH Insert YCH VOL on DY Rotate TLV...

  • Page 12: Focus Adjustment

    KV-BT21M80 RM-W101 2-3. FOCUS ADJUSTMENT 2-5. WHITE BALANCE ADJUSTMENT FOCUS adjustment should be completed before the W/B 1. Set to Service Mode (Refer Section 3-1: adjustment: ADJUSTMENTS WITH COMMANDER) 1. Receive digital monoscope pattern. 2. Input white raster signal. 2. Set picture mode: DYNAMIC.

  • Page 13: Circuit Adjustments

    VDSP Detected Stereo Type (Direct Value from CZ_ Stereo_Mode) Needed for Nicam DCXO aligment Purpose S : for Sony A : Aiwa Value of x = 0 - Unknown, 1 - BTSC, 2 - A2, 3 - NICAM, : US/Latin/Taiwan...

  • Page 14: Adjustment Method

    KV-BT21M80 RM-W101 e. OTHER FUNCTION VIA REMOTE COMMANDER 7, - All the data becomes the values in memory. 8, - All user control goes to the standard state. Display, - Service data initialization (Be sure not to use usually.) 2, 5 Select Device or Category 3-2.
  • Page 16 i t c n a n o y t i l . t i n I e g n c n u n o i t e l b N & e t o e c i r d d s s e n I / a i t i...
  • Page 24 KV-BT21M80 RM-W101 Data Variant depend on models Category Name Model Data WHBL Without VM Without VM Without VM Category Name Model Data Without VM Category No Name Model Table NTSC SECAM NTSC SECAM S-Input (TV) (TV) (TV) (VIDEO) (VIDEO) (VIDEO)
  • Page 25 KV-BT21M80 RM-W101 ITEM INFORMATION No. OPB1 Item Speed Search M/N(US) L’ KV-BT21M80 SPEED SEARCH (Time of speed search) 00 = disabled (original cycle speed) 01 = 4 time speed from the original 10 = 6 time speed from the original...
  • Page 26 KV-BT21M80 RM-W101 No. OPB4 Firmware/ Item 1 spk Equalizer Surround V-Chip Text SMAT Models KV-BT21M80 Firmware (SSD Firmware Downloading) 0 = disabled, 1 = enabled SMAT Surround Matrix 0 = Active, 1 = Passive 1 spk Models 1 Speaker Models...
  • Page 27 KV-BT21M80 RM-W101 No. OPB6 GA US Item Latin Feature 2 Feature 1 OSD Language Selection KV-BT21M80 GA US (US Model Destination) 0 = US/CANADA/Latin 1 = Taiwan/Korea/Philippine (Wake-up timer enable) (GA Surround Spec: OFF, SIMULATED, SRS) Latin (US Model Latin Destination)

  • Page 28: Picture Quality Adjustment

    KV-BT21M80 RM-W101 3-3. PICTURE QUALITY ADJUSTMENTS SUB HUE ADJUSTMENT PMAX/CONTRAST ADJUSTMENT 1. Select Video. 2. Input a NTSC 3.58 Color Bar to TV set. 1. Select Video Mode. 3. Set the following condition: 2. Input PAL CB to TV set.

  • Page 29: Drive Adjustment

    KV-BT21M80 RM-W101 WIDE MODE (50Hz) WIDE MODE (60Hz) (V-Compression Adjustment) (V-Compression Adjustment) 1. Input SPCB signal. 1. Input mono scope signal. 2. Adjust condition change to WIDE MODE : ON 2. Adjust condition change to WIDE MODE : ON 3. Copy (Item from normal mode 50Hz) all Normal 3.

  • Page 30: Picture Distortion Adjustment

    KV-BT21M80 RM-W101 V. LINEARITY (VLIN), V. CORRECTION (SCOR), PIN 3-6. PICTURE DISTORTION ADJUSTMENT AMP (EWPW), AND HORIZONTAL TRAPEZOID H. CENTER ADJUSTMENT (HPOS) (EWTZ) ADJUSTMENTS 1. Input Monoscope signal. 1. Input Monoscope signal. 2. Activate the Service Adjustment Mode. 2. Activate the Service Adjustment Mode.

  • Page 32: Circuit Boards Location

    KV-BT21M80 RM-W101 4-2. CIRCUIT BOARDS LOCATION C Board A Board 4-3. SCHEMATIC DIAGRAM Note: Reference information All capacitors are in µF unless otherwise noted. • RESISTOR : RN METAL FILM • All electrolytic capacitors are rated at 50V unless otherwise...

  • Page 34: A Board - Processor (Block A)

    KV-BT21M80 KV-BT21M80 RM-W101 RM-W101 4-3-2. A Board — Processor (Block A) CN007 TO A BOARD (JACK) CN009 CN905 CN003 CN004 TO C BOARD CN711 TO C BOARD CN701 C005 C006 U IN R377 1.5K PROCESSOR CHIP (BLOCK A) D066 3.3V...

  • Page 35: A Board - Audio (Block B)

    KV-BT21M80 KV-BT21M80 RM-W101 RM-W101 4-3-3. A Board — Audio (Block B) J201 J200 CN201 J202 CN200 CN202 TO J BOARD CN3400 AUDIO (BLOCK B) R238 CHIP R239 R237 CHIP CHIP C235 C234 470P 470p CHIP R233 CHIP C201 C217 C223...

  • Page 36: A Board - Power Supply (Block C)

    KV-BT21M80 KV-BT21M80 RM-W101 RM-W101 4-3-4. A Board — Power Supply (Block C) C672 0.01 C675 3.3V 3.3V (C1) To A3,D18 C641 POWER SUPPLY IC606 (BLOCK C) BA033T D635 3.3V REG PDZ3.6B-1185 1.8V_MAIN (C2) To A49 JW1665 C685 R616 C662 R638 20.00...

  • Page 37: A Board - Deflection (Block D)

    KV-BT21M80 KV-BT21M80 RM-W101 RM-W101 4-3-5. A Board — Deflection (Block D) R305 DEFLECTION C078 R307 IC804 R300 17 17 16 16 2.2M STV9302A (BLOCK D) CHIP V-OUT CHIP CHIP R881 To A66 (D19) PH2LF T801 NX-4751//M T802 XX R303 :CHIP 2.2M...

  • Page 38: A Board - Tuner (Block E)

    KV-BT21M80 KV-BT21M80 RM-W101 RM-W101 4-3-6. A Board — Tuner (Block E) SWF103 TU102 SWF101 XX TUNER TEDE9 SWF100 FILTER SURFACE (BLOCK E) WAVE C138 0.01 R112 6.8K D102 R106 B:CHIP JR1100 4.7K L101 TU101 XX 1.2UH RN-CHIP R111 R127 R108...

  • Page 39: A Board - Jack (Block F)

    KV-BT21M80 KV-BT21M80 RM-W101 RM-W101 4-3-7. A Board — Jack (Block F) CN903 CN904 JR1903 C966 CHIP To E17 (F30) TU-AGC L902 R9031 To A63 (F29) B_INT 47uH R9028 To A62 (F28) B_DAT CHIP JACK To A64 (F27) B_CLK C956 CHIP...
  • Page 40 KV-BT21M80 RM-W101 4-4. VOLTAGE LIST AND WAVEFORM A BOARD VOLTAGE LIST AND WAVEFORM Pin No. Voltage[v] Pin No. Voltage[v] Pin No. Voltage[v] (1.3)[4.2] IC001 (1.2)[1.3] 2.6Vp-p 2.24Vp-p (3.4)[3.3] NTSC NTSC (0)[1.7] (1.3)[2.5] (2.5)[5.0] 3.0Vp-p (4.2)[2.0] 2.00Vp-p (1.2)[1.3) (1.2)[2.2] (1.2)[2.2] (0)[1.9] (1.2)[1.3]...
  • Page 41 KV-BT21M80 RM-W101 A BOARD VOLTAGE LIST AND WAVEFORM Pin No. Voltage[v] Pin No. Voltage[v] Pin No. Voltage[v] (0.5)[4.0] Q101 IC803 (0.5)[3.1] Q102 3.06 (0)[3.2] (2.3)[2.1] IC002 Q103 (3.2)[0.1] IC003 Q104 (1.3)[0.1] IC804 Q105 (9.0)[2.0] (0.4)[1.7] Q106 IC200 664.0mVp-p (1.3)[1.5] NTSC Q111 (0.5)[-1.8]...
  • Page 42 KV-BT21M80 RM-W101 A BOARD VOLTAGE LIST AND WAVEFORM Pin No. Voltage[v] Pin No. Voltage[v] Pin No. Voltage[v] Q805 -9.2 Q814 Q908 Q816 Q909 (-6.0)[-2.5] Q900 Q910 2.26 334.0Vp-p (0)[1.2] (4.3)[5.1] (0)[2.1] Q901 -0.5 Q911 (-4.2)[1.5] (9.0)[4.9] Q806 Q902 Q912 -1.7...

  • Page 43: Printed Wiring Boards And Parts Location

    KV-BT21M80 KV-BT21M80 RM-W101 RM-W101 4-5. PRINTED WIRING BOARDS AND PARTS LOCATION NOTE: PRINTED WIRING BOARDS The circuit indicated at left contains high voltage of over 1220 Vp-p. Please pay attention when inspecting or repairing it to prevent an electric shock.
  • Page 44 KV-BT21M80 RM-W101 PRINTED WIRING BOARDS [VIDEO AMP] – C Board – A703 A705 CN701 C754 CN704 CN703 R775 C752 R780 R781 R752 C790 R784 R776 G1-1 L780 R785 G1-2 C759 Q701 R786 EY706 R794 R766 RV750 A701 C751 B IN...

  • Page 45: Semiconductors

    KV-BT21M80 RM-W101 4-6. SEMICONDUCTORS DIODE CATHODE CATHODE ANODE ANODE (GRN) CATHODE ANODE CATHODE (GRN) ANODE ANODE HSS82-TJ AM01AV1 MMDL914T1 BY228/A52A SPB-25MVWF D3SB60F3 D1NL20U MTZJ-T-77-15 D3S6M-F RD5.1ESB2 UPC574J EGP20G EL1Z 1SS133T-77 GP08D RU4AM-T3 S3L20UF4 10ERB20-TB3 10ERB20-TA2B5 11EQS10-TB5 TRANSISTOR ANODE CATHODE MA2ZD14001S0 1PS226-115 PDZ3.6B-115...
  • Page 46 KV-BT21M80 RM-W101 TOP VIEW RPM7240-SH5 STR-F6267S-LF1357 TDA12067H/ N1B0B0PX – 52 –...

  • Page 47: Exploded Views

    KV-BT21M80 RM-W101 SECTION 5 EXPLODED VIEWS NOTE: • • Items marked " ∗ " are not stocked since Items with no part number and no The components identified by description are not stocked because they are seldom required for routine...

  • Page 48: Electrical Parts List

    KV-BT21M80 RM-W101 The components identified by shading and mark ! are critical for safety. SECTION 6 Replace only with part number specified. ELECTRICAL PARTS LIST REF NO. PART NO. DESCRIPTION REMARK REF NO. PART NO. DESCRIPTION REMARK • Items marked " ∗ " are not stocked since •...
  • Page 49 KV-BT21M80 RM-W101 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF NO. PART NO. DESCRIPTION REMARK REF NO. PART NO. DESCRIPTION REMARK C213 1-115-339-11 CERAMIC CHIP 0.1UF 10.00% 50V C644...
  • Page 50 KV-BT21M80 RM-W101 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF NO. PART NO. DESCRIPTION REMARK REF NO. PART NO. DESCRIPTION REMARK C869 1-107-654-11 ELECT 33UF 20.00% 250V D064 8-719-069-55 DIODE UDZSTE-175.6B...
  • Page 51 KV-BT21M80 RM-W101 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF NO. PART NO. DESCRIPTION REMARK REF NO. PART NO. DESCRIPTION REMARK D830 8-719-081-97 DIODE MMDL914T1 <CHIP CONDUCTOR> D900 8-719-069-60 DIODE UDZSTE-179.1B...
  • Page 52 KV-BT21M80 RM-W101 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF NO. PART NO. DESCRIPTION REMARK REF NO. PART NO. DESCRIPTION REMARK L033 1-469-525-91 INDUCTOR 10UH Q902 8-729-424-67 TRANSISTOR UN2216...
  • Page 53 KV-BT21M80 RM-W101 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF NO. PART NO. DESCRIPTION REMARK REF NO. PART NO. DESCRIPTION REMARK R150 1-216-809-11 METAL CHIP 1/10W R384 1-216-809-11 METAL CHIP...
  • Page 54 KV-BT21M80 RM-W101 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF NO. PART NO. DESCRIPTION REMARK REF NO. PART NO. DESCRIPTION REMARK R830 1-260-332-51 CARBON 2.2K 1/2W R946 1-216-833-11 METAL CHIP...
  • Page 55 <IC> IC751 6-703-482-01 IC TDA6108AJF/N1 **************************************************************** <REMOTE COMMANDER> <JACK> ************************* 1-478-009-11 REMOTE COMMANDER (RM-W101) ! 1-451-544-11 J751 SOCKET, CRT 4-084-290-01 REMOTE COMMANDER BATTERY COVER Sony Corporation Sony Technology Malaysia Sdn. Bhd. English  9-872-418-01 Visual Products 2003.11 – 61 –...

  • Page 56: Operating Instructions

    • Before operating the unit, please read this manual thoroughly and retain it for future reference. Mode d’emploi • Avant de faire fonctionner cet appareil, lisez attentivement le présent mode d’ emploi et conservez-le pour toute référence ultérieure. • • KV-BT21 KV-BM14 © 2003 Sony Corporation...
  • Page 57 WARNING • Dangerously high voltages are present inside the TV. • TV operating voltage: 110 – 240 V AC. • Do not plug in the power cord until you have completed making all other connections; otherwise a minimum leakage current might flow through the antenna and other terminals to ground.
  • Page 58 Do not plug in too many appliances to the same To prevent fire or shock hazard, do not expose the power socket. Do not damage the power cord. TV to rain or moisture. Pull the power cord out by the plug. Do not pull the power cord itself.

  • Page 59: Securing The Tv

    x Securing the TV KV-BT21M81/BT21M80 only To prevent the TV from falling, use the supplied screws, clamps and band to secure the TV. 20 mm 3.8 mm screws clamps band Screw the band to the TV stand and to the provided hole at the rear of your TV.
  • Page 60 Table of Contents Installation Additional Information Getting Started ........6 Connecting optional components ... 21 Setting up your TV Troubleshooting ......... 22 (“Initial Setup”) ........7 Specifications ...... Back cover Overview of Controls TV top control, front and rear panels ............. 8 Using the remote control and basic functions ........

  • Page 61: Installation

    Installation x Getting Started Step 1 Insert the batteries (supplied) into the remote. Note • Do not use old or different types of batteries together. Step 2 Connect the antenna cable (not supplied) to 8 (antenna input) at the rear of the TV. •...

  • Page 62: Setting Up Your Tv ("Initial Setup")

    x Setting up your TV (“Initial Setup”) When you turn on your TV for the first time, the “Initial Setup” menu will appear. You may change the menu language, preset the TV channels automatically and adjust the picture position using the buttons on the top control panel. and V/v/B/b buttons on the remote control can also be used for the •...

  • Page 63: Overview Of Controls

    Overview of Controls TV top control, front and rear panels TV top control panel MENU PROG TV rear panel KV-BM14M70 KV-BT21M81/BT21M80 (MONO) (MONO) (MONO) (MONO) TV front panel KV-BT21M81/BT21M80 KV-BM14M70 (MONO) (MONO) (MONO) Button/Terminal Function Page Turn off or turn on the TV. Remote control sensor.

  • Page 64: Using The Remote Control And Basic Functions

    Using the remote control and basic functions PROG MENU Button Description Page Turn off temporarily or turn on the TV. – Display the TV program. – Jump to previous program number. – PROG +/– Select program number. – 2 +/– Adjust volume.
  • Page 65 continued Button Description Page Select sound mode options: – (KV-BT21M81/ “Dynamic” (low and high tones), “Drama” BT21M80 only) (voice and high tones), “Soft” (soft, natural and relaxing sound), “Personal”*. * When the “Personal” mode is selected, you can receive the last adjusted sound settings from the “Sound Adjustment”...

  • Page 66: Advanced Operations

    Advanced Operations x Viewing Teletext KV-BT21M81 only Some TV stations broadcast an information service called Teletext which allows you to receive various information, such as stock market reports and news. You can use the buttons on the remote to view Teletext. Do this display a Teletext Press...

  • Page 67: Menu Adjustment

    Menu Adjustment x Introducing the menu system The MENU button lets you open a menu and change the settings of your TV. The following is an overview of the menu system. Return icon Picture icon Name of the current Sound icon Setup menu Language:...
  • Page 68 Level 3/Function Page Level 1 Level 2 “Timer” Set TV to turn off automatically. “Sleep Timer” Set TV to turn on automatically. “Wake Up Timer” Preset channels automatically. “Channel Setup” “Auto Program” Preset channels manually. “Manual Program” Select the TV system: “TV System”...
  • Page 69 continued How to use the menu PROG Picture Press MENU to Mode: Dynamic Picture Adjustment display the menu. Color Temperature: Cool Intelligent Picture: MENU Select Confirm Press V or v to select the desired item. Channel Setup Auto Program Manual Program TV System: Program Label Program Block...

  • Page 70: Changing The "Picture" Setting

    x Changing the “Picture” setting The “Picture” menu allows you to adjust the picture settings. Press MENU. Make sure the “Picture” icon ( ) is Picture Mode: Dynamic selected, then press Picture Adjustment Color Temperature: Cool Intelligent Picture: Select Confirm Press V or v to select the desired item (e.g., “Mode”), then press Select “Mode”...

  • Page 71: Changing The "Sound" Setting

    x Changing the “Sound” setting The “Sound” menu allows you to adjust the sound settings. Press MENU. Press V or v to select the “Sound” Sound Mode: Dynamic icon ( ), then press Sound Adjustment Balance Intelligent Volume: Surround: Select Confirm Press V or v to select the desired item (e.g., “Mode”), then press Select...

  • Page 72: Changing The "Timer" Setting

    x Changing the “Timer” setting The “Timer” menu allows you to set TV to turn off and turn on automatically. Press MENU. Press V or v to select the “Timer” icon ( ), Timer Sleep Timer: then press Wake Up Timer: Select Confirm Press V or v to select the desired item (e.g., “Sleep Timer”), then press...

  • Page 73: Changing The "Channel Setup" Setting

    x Changing the “Channel Setup” setting The “Channel Setup” menu allows you to preset channels automatically, manually preset channels, select the TV system, label the program number and block unwanted programs. Press MENU. Press V or v to select the “Channel Setup” Channel Setup icon ( ), then press...

  • Page 74: Presetting Channels Manually

    Presetting channels manually After selecting “Manual Program”, select the program number to which you want to preset a channel. Manual Program Program: TV System: (1) Make sure “Program” is selected, then press VHF Low Fine: Auto (2) Press V or v until the program number you want Skip: to preset appears on the menu, then press Select...

  • Page 75: Changing The "Setup" Setting

    x Changing the “Setup” setting The “Setup” menu allows you to change the menu language, adjust the picture position, label the connected equipment and select the color system. Press MENU. Press V or v to select the “Setup” icon Setup Language: English Picture Rotation...

  • Page 76: Additional Information

    Additional Information x Connecting optional components Connecting to the video input terminal ( t ) TV front panel KV-BT21M81/ KV-BM14M70* BT21M80 Audio/Video cable Camcorder (not supplied) L(MONO)– –R (MONO)– –(MONO) TV rear panel KV-BT21M81/ KV-BM14M70* Video game BT21M80 equipment Antenna cable (not supplied) Audio/Video (MONO)

  • Page 77: Troubleshooting

    Troubleshooting If you find any problem while viewing your TV, please check the following guide. If any problem persists, contact your Sony dealer. Troubleshooting guide Symptom Possible cause Solutions Page Snowy picture • The connection is loose • Check the antenna cable and connection or the cable is on the TV, VCR and at the wall.
  • Page 78 • There is local equipment near the TV. stripes interference from cars, neon signs, hair dryers, • Check the antenna setup. Contact a Sony – power generators, etc. dealer for advice. • Use a highly directional antenna. Double images or •...
  • Page 79 (snowy on the TV, VCR, and at the wall. picture or double – • The antenna setup is • Check the antenna setup. Contact a Sony images). inappropriate. (KV-BT21M81 only) dealer for advice. – • Signal transmission •...

  • Page 80: Specifications

    Specifications KV-BT21M81 Note KV-BM14M70 KV-BT21M80 Power requirements 110-240 V AC, 50/60 Hz Power consumption (W) Indicated on the rear of the TV Television system B/G, I, D/K, M Color system PAL, PAL 60, SECAM, NTSC3.58, NTSC4.43 Teletext language English, Farsi (Persian)

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