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Self Diagnosis
Supported model
CHASSIS
SERVICE MANUAL
BG-3S
MODEL COMMANDER DEST. CHASSIS NO. MODEL COMMANDER DEST. CHASSIS NO.
KV-PF21M70 RM-952 Hong Kong SCC-U17H-A
KV-TF21M61 RM-952 Singapore SCC-U29A-A
KV-TF21M90 RM-952 Hong Kong SCC-U17G-A
KV-TF21P11 RM-952 OCE SCC-U24C-A
(KV-PF21M70)
(KV-TF21M61)
(KV-TF21M90)
(KV-TF21P11)
TRINITRON ® COLOR TV
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KV-PF21M70/TF21M61/TF21M90/TF21P11 RM-952 SPECIFICATIONS Note Power requirements 110-240 V AC, 50/60 Hz KV-TF21M61 110-220V AC, 50/60Hz KV-PF21M70 220-240V AC, 50/60Hz KV-TF21M90/TF21P11 Power consumption (W) Indicated on the rear of the TV Television system B/G, I, D/K, M Except KV-TF21P11 B/G KV-TF21P11 Color system PAL, PAL60, SECAM, NTSC4.43, NTSC3.58 Except KV-TF21P11 PAL, PAL60, NTSC4.43, NTSC3.58 (AV IN) KV-TF21P11 Stereo/Bilingual system NICAM Stereo/Bilingual B/G, I; A2 Stereo/Bilingual
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KV-PF21M70/TF21M61/TF21M90/TF21P11 RM-952 TABLE OF CONTENTS Section Title Page Section Title Page SELF DIAGNOSIS FUNCTION................................ 3 5. DIAGRAMS 5-1 Block Diagram ......................................................... 59 1. GENERAL .......................................................... 8 5-2 Frame Schematic Diagram ...................................... 62 5-3 Circuit Boards Location .......................................... 64 2. DISASSEMBLY 5-4 Schematic Diagrams
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KV-PF21M70/TF21M61/TF21M90/TF21P11 RM-952 SELF DIAGNOSTIC FUNCTION The units in this manual contain a self-diagnostic function. If an error occurs, the STANDBY/TIMER lamp will automatically begin to flash. The number of times the lamp flashes translates to a probable source of the problem. A definition of the STANDBY/TIMER lamp flash indicators is listed in the instruction manual for the user’s knowledge and reference. If an error symptom cannot be reproduced, the remote commander can be used to
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KV-PF21M70/TF21M61/TF21M90/TF21P11 RM-952 2. DISPLAY OF STANDBY/TIMER LIGHT FLASH COUNT 2 times 5 times Lamp ON 0.3 sec. Lamp OFF 3 sec. Lamp OFF 0.3 sec. STANDBY/SLEEP lamp Diagnostic Item Flash Count* +B overcurrent/overvoltage 2 times Vertical deflection stopped White balance failure 5 times * One flash count is not used for self-diagnostic. 3. STOPPING THE STANDBY/TIMER FLASH Turn off the power switch on the TV main unit or unplug the power cord from the outlet to stop the STANDBY/TIMER lamp
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KV-PF21M70/TF21M61/TF21M90/TF21P11 RM-952 4. SELF-DIAGNOSTIC SCREEN DISPLAY For errors with symptoms such as “power sometimes shuts off” or “screen sometimes goes out” that cannot be confirmed, it is possible to bring up past occurances of failure for confirmation on the screen: [To Bring Up Screen Test] In standby mode, press buttons on the remote commander sequentially in rapid succession as shown below: [ScreenÊdisplay]/ channel [5]/ Sound volume[-]/ Power ON ù Note that this differs from ent
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KV-PF21M70/TF21M61/TF21M90/TF21P11 RM-952 6. SELF-DIAGNOSTIC CIRCUIT IC301 IC001 IC003 Y/CHROMA JUNGLE SYSTEM MEMORY FROM 21 IK-IN IO-8DAT 45 5 B-DAT CRT FROM MP/ [+B] Q604 C5/C3 18 O-LED 51 PROTECT SDA 35 46 IO-SDAT [V] Q509/507 [+BÊovercurrentÊ»OCP¼] Occurs when an overcurrent on the +B(135) line is detected by Q604. If Q604 go to ON and the voltage to pin 18 of IC301 should go down when V.SYNC is more than seven verticals in a period, the unit will automatically turn off. [VerticalÊdeflection
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KV-PF21M70/TF21M61/TF21M90/TF21P11 RM-952 – 8 – The operating instructions mentioned here are partial abstracts SECTION 1 from the Operating Instruction Manual. The page numbers of the Operating Instruction Manual remain as in the manual. GENERAL (KV-PF21M70) Using Your New TV WARNING • Dangerously high voltages are present inside the TV. Getting Started • TV operating voltage: 110 – 240 V AC. (For Hong Kong only: 220 – 240 V AC.) Step 1 Connect the antenna If you wish to connect a VCR, s
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KV-PF21M70/TF21M61/TF21M90/TF21P11 RM-952 Using Your New TV – 9 – Connecting optional components Notes • If you connect a stereo VCR, connect the yellow plug to (the yellow jack) and the white plug to (the black jack). You can connect optional video components, such as a VCR, multi disc player, • If you connect a VCR to the ù (antenna) terminal, preset the signal camcorder or video game. output from the VCR to the program number 0 on the TV. • When no signal is input to the connected video e
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KV-PF21M70/TF21M61/TF21M90/TF21P11 RM-952 Using Your New TV – 10 – Securing the TV Presetting channels u To prevent the TV from falling, secure the TV using one of the following methods: You can preset up to 100 TV channels in 1 2 3 numerical sequence from program With the supplied screws, attach the band to the TV stand and to the rear of 4 5 6 Number buttons A number 1 using the remote and the the TV using the provided hole. buttons on your TV as well. 7 8 9 Ö JUMP 0 SOUND ç PROGR . +/– MODE o
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KV-PF21M70/TF21M61/TF21M90/TF21P11 RM-952 Using Your New TV – 11 – Presetting channels (continued) Presetting channels manually To change the TV system setting Press SELECT until SELECT 1 If the picture or sound is abnormal when receiving programs through the ù (antenna) “MANUAL PROGRAM” terminal appears. MANUAL PROGRAM (1) Press SELECT until “TV SYS” appears. TV SYS: B/G Press + or –. 2 B/G I D/K M (2) Press + or – to select the appropriate VHF LOW B/G TV system until the picture or sound quali
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KV-PF21M70/TF21M61/TF21M90/TF21P11 RM-952 Using Your New TV – 12 – Watching the TV (continued) Û Watching the TV u Additional tasks This section explains functions used É while watching the TV. Most operations ; To Do this can be done using the remote. 1 2 3 Turn off temporarily Press u. The u indicator on the TV lights up red. 4 5 6 Number buttons Press U on the TV. Turn off completely 7 8 9 JUMP Press Û. Ö JUMP Mute the sound 0 SOUND ç PROGR . +/– MODE Press É to select “VIDEO 1” or “VIDEO 2”
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KV-PF21M70/TF21M61/TF21M90/TF21P11 RM-952 Using Your New TV – 13 – Advanced Operations Customizing the SOUND ç PROGR Setting the Wake Up timer MODE SOUND MODE picture and sound Press until the WAKE UP TIMER:10M 1 desired period of time After 10 minutes SELECT appears. You can customize the picture and + or – sound by selecting the picture and PIC MODE sound modes or by adjusting its FAVORITE WAKE UP TIMER:OFF WAKE UP TIMER:12H00M settings. No Wake Up timer After 12 hours You can change the so
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KV-PF21M70/TF21M61/TF21M90/TF21P11 RM-952 Advanced Operations – 14 – Blocking the Adjusting the picture and sound settings channels Press SELECT until the SELECT 1 (CHILD LOCK) desired setting appears. 1 2 3 PICTURE 60 4 5 6 You can prevent a child from watching 7 8 9 PICTURE COLOR BRIGHT Each time you press certain programs by using the buttons Ö JUMP 0 on the remote control. SELECT, the setting SOUND ç PROGR MODE TREBLE BASS SHARP HUE* item will change as follows: Press + or – to adjust the 2
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KV-PF21M70/TF21M61/TF21M90/TF21P11 RM-952 Additional Information – 15 – Additional Information Troubleshooting Self-diagnosis function If you find any problem while viewing your TV, please check the following guide. If any problem persists, contact your Sony dealer . Your TV is equipped with a self-diagnosis function. If there is a Symptom Possible cause Solutions problem with your TV, the u indicator flashes red. The number of Snowy picture • Check the antenna cable and connection • Connection
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KV-PF21M70/TF21M61/TF21M90/TF21P11 RM-952 – 16 – Troubleshooting (continued) Symptom Solutions Possible cause Good picture • Press ü + to increase the volume level. • The volume level is too low. Symptom Solutions Possible cause • Press Û to cancel the muting. • The sound is muted. Lines moving across the • Use the fine tuning (FINE) function. • There is interference from TV screen. (page 10) external sources, e.g., heavy machineries, nearby broadcast station. No sound The u indicator on your •
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KV-PF21M70/TF21M61/TF21M90/TF21P11 RM-952 – 17 – Identifying parts and controls (continued) Identifying parts and controls Remote Control 9 Refer to the pages indicated in parentheses ( ) for details. Front panel !¼ 1 !¦ 2 !Á 1 2 3 1 2 3 4 5 6 3 4 5 6 7 8 9 7 8 9 JUMP JUMP Ö
Ö 0 0 4 SOUND ç
PROGR SOUND ç PROGR !ª !¤ MODE MODE 5 !£ SELECT p SELECT p 6 !¢ PIC MODE p PIC MODE p 7 FAVORITE FAVORITE 8 !∞ TV TV 2 1u (power) button (11) !¤ SOUND MODE button (14) 2; (TV) button (12) !¦ Teletext ope
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KV-PF21M70/TF21M61/TF21M90/TF21P11 RM-952 – 18 – The operating instructions mentioned here are partial abstracts SECTION 1-2 from the Operating Instruction Manual. The page numbers of the Operating Instruction Manual remain as in the manual. GENERAL (KV-TF21M61/TF21M90) Using Your New TV WARNING • Dangerously high voltages are present inside the TV. Getting Started • Operate the TV only between 110 – 240 V AC. Step 1 Connect the antenna If you wish to connect a VCR, see the “Connecting a
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KV-PF21M70/TF21M61/TF21M90/TF21P11 RM-952 Using Your New TV – 19 – Connecting optional components Notes • If you connect a monaural VCR, connect the yellow plug to (the yellow jack) and the black plug to -L (MONO) (the white jack). You can connect optional audio/video components, such as a VCR, multi disc player, • If you connect a VCR to the ù (antenna) terminal, preset the signal camcorder, video game or stereo system. output from the VCR to the program number 0 on the TV. • When no signal
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KV-PF21M70/TF21M61/TF21M90/TF21P11 RM-952 Using Your New TV – 20 – Securing the TV Presetting channels u To prevent the TV from falling, secure the TV using one of the following methods: You can preset up to 100 TV channels in 1 2 3 numerical sequence from program With the supplied screws, attach the band to the TV stand and to the rear of 4 6 Number buttons 5 A number 1 using the remote and the the TV using the provided hole. buttons on your TV as well. 7 8 9 JUMP Ö 0 SOUND ç PROGR . +/– MODE o
