Sony KV-VF21M40 - Manuals

– 7 – 6. SELF-DIAGNOSTIC CIRCUIT [+B overcurrent] Owing to current increase voltage of R615 decrease and that it make PM601 pin 8 to become LOW and OFF RY601. [+B over voltage] When +B voltage become more than 142.5V, PM601 8 pin become LOW and RY601 OFF. [Vertical deflection stopped] Detect Vertica...

– 8 – SECTION 1 GENERAL T h e o p e r a t i n g i n s t r u c t i o n s m e n t i o n e d h e r e a r e p a r t i a l a b s t r a c t s f r o m t h eO p e r a t i n g I n s t r u c t i o n M a n u a l . T h e p a g e n u m b e r s o f t h e O p e r a t i n g I n -s t r u c t i o n M a n u a l r e m ...

– 9 – 6 Getting Started Step 3: Connecting the antenna For better TV reception and clear recordings, connect an outdoorantenna to your video TV. Connecting an outdoor antenna To connect a VHF antenna or a combination VHF/UHFantenna—75-ohm coaxial cable (round) Attach an IEC antenna connector to the ...

– 10 – 8 Getting Started Step 4: Selecting the language (continued) 4 Press M or m to select LANGUAGE/ , then press ENTER.The selected item turnsred. 5 Press M or m to select , then press ENTER. The menu language changes to Chinese. To return to the normal screen Press MENU. PLAY ENTER H PLAY ENTER ...

– 11 – 10 Getting Started Step 5: Setting the clock (continued) 6 Press M , m or , to set the month, year, hour and minutes in the same way as in step 5 , then press ENTER. The clock starts working. To return to the normal screen Press MENU. If you have made a mistake while setting the clock Press &...

– 13 – 14 Basic Operations Basic Operations Watching the TV This section explains various functionsused while watching the TV. Mostoperations can be done using the remotecontrol. 1 Press ? / 1 to turn on the video TV. When the TV is in standbymode (the 1 indicator on the video TV is lit in red),pres...

– 14 – 16 Basic Operations Playing a tape This section shows you how to play atape. Other convenient functions youcan use while playing a tape areexplained in “Additional Operations.” 1 Press ? / 1 to turn on the video TV. When the TV is in standby mode (the 1 indicator on the video TV is lit in red...

– 15 – 18 Basic Operations Playing a tape (continued) Displaying on-screen information Press to display the following on-screen information. To show only the amount of remaining tape and the linear tape counter onthe screen, press again. To make the information disappear, press until no information ...

– 16 – 20 Basic Operations Recording TV programs (continued) 5 Press REC z . The REC indicator lightsup and recording begins. Note • You can also select the channel number directly with the number buttons. Press C (once for regular channels, twice for cable channels), the desirednumber buttons, then...

– 17 – 22 Basic Operations Recording TV programs (continued) Recording using QUICK-TIMER The Quick-Timer recording function allows you to preset your videoTV to record one program within a 24-hour period. For setting theQuick-Timer, use QUICK TIMER on the video TV. Before you begin • Make sure that ...

– 18 – 24 Basic Operations Recording TV programs (continued) The QUICK TIMER button changes the following when turned clockwiseor counterclockwise • When setting the start time: The hour increases or decreases by one hour.The minutes increase or decrease by one minute. • The recording time period: I...

– 19 – 26 Basic Operations Recording TV programs (continued) Recording TV programs using the timer You can preset up to five programs within a one-month period. Before you begin • When the TV is in standby mode (the 1 indicator on the video TV is lit in red), press ? / 1 , PROGR +/– or a number butt...

– 20 – 28 Basic Operations Recording TV programs (continued) Checking/adding/changing/cancelingthe timer settings 1 Press TIMER REC. To exit the PROGRAMLIST after checking thesettings, skip steps 2 and 3 . To add, change or clear thesettings, follow steps 2 through 4 . 2 Press < or , to move the ...

– 21 – 30 Additional Operations Adjusting the TV (continued) Presetting channels manually Preset the channels manually if you want to select channels thatwere not set automatically or if you want to allocate programnumbers to channels one by one. 1 Press MENU. 2 Press M or m to select , then press E...

– 22 – 32 Additional Operations Adjusting the TV (continued) Skipping program positions You can skip unused program positions when selecting a programwith the PROGR +/– buttons. However, the skipped programs maystill be called up when you select them with the number buttons. 1 Press MENU. 2 Press M ...

– 23 – 34 Additional Operations Adjusting the TV (continued) Adjusting the color system Normally set the color system to AUTO. However, when the picturehas no color, manually select the appropriate color system for yourarea. 1 Press MENU. 2 Press M or m to select , then press ENTER. 3 Make sure TV S...

– 24 – 36 Additional Operations Adjusting the TV (continued) Adjusting the alignment ofthe picture The picture may be out of alignment dueto influence from the earth’s magneticfield in relation to the position of the TV.You can adjust the angle of the picture ifit is not aligned to the TV screen. 1 ...

– 25 – 38 Additional Operations Tape options (continued) Adjusting with Adaptive Picture Control (APC) This function allows you to improve playback and recording qualityautomatically according to the condition of the video tape.This function is set to ON at the factory. To maintain better picturequa...

– 26 – 40 Additional Operations Tape options (continued) Adjusting the picture for rental tapes If you are not satisfied with the picture quality while playing a tape,even when APC is on, set RENTAL to ON. It is recommended touse this function when watching rental tapes. 1 Press MENU. 2 Press M or m...

– 27 – 42 Additional Operations Tape options (continued) Setting the color system Normally set COL SYS in the menu to AUTO. If streaks appearduring playback, set COL SYS to correspond to the system that thetape was recorded in. 1 Press MENU. 2 Press M or m to select , then press ENTER. 3 Press M or ...

– 28 – 44 Additional Operations Switching onautomatically— ON TIMER You can preset your video TV toautomatically switch on at a desiredtime. You can select the TV program,video playback or input source to beswitched on. 1 Press MENU. 2 Press M or m to select , then press ENTER. 3 Make sure ON TIMER ...

– 29 – 46 Additional Operations Searching usingthe indexfunction The video TV marks the tape with anindex signal at the point where eachrecording begins. Use these signals asreferences to find a specific recording.This video TV can search up to 99 indexsignals ahead of or behind the currentposition....

– 30 – 48 Additional Operations Connecting optional equipment (continued) To watch the video input signal Press t so that t 1 or t 2 appears on the screen. A/B G-CODE COUNTER RESET t MENU REW EJECT TIMER REC ON/OFF TAPE SPEED INDEX z REC GAME 1 3 2 X PAUSE x STOP m FF M Z . > PLAY ENTER PIC MODE ...

– 31 – 50 Additional Information Additional Information Self-diagnosis function Your video TV is equipped with a self-diagnosis function. If there isa problem with your video TV, the 1 indicator flashes in red. The number of times the indicator flashes indicates the possible causes. 1 Check that the...

– 32 – 52 Additional Information Troubleshooting (continued) Good picture/Abnormalsound Symptom Possible cause Solutions The TV system setting isinappropriate. • If the sound of all the channels is abnormal, display the TV SETUP menu and select theappropriate TV system (TVSYS), then preset the chann...

– 33 – 54 Additional Information Symptom Possible cause Solutions The TIMER RECindicator does notlight up even thoughyou press ON/OFF. No cassette has been inserted. The tape is at its end. No setting is made for timerrecording. Insert a cassette with its safety tabintact. Rewind the tape. Set the p...

– 34 – 56 Additional Information qf 1 (standby) indicator (14) qg Remote control sensor qh TIMER REC (recording) indicator (27) qj REC (recording) indicator (20) qk ? / 1 (power/standby) switch (14) PLAY FF PAUSE REC X M H PUSH t GAME 2 PROGR QUICK TIMER TIMER REC REC q 7 8 qs qd qf qg qh qj qk 9 q;...

– 46 – 26 Basic Operations Recording TV programs (continued) Recording TV programs using the G-CODE system The G-CODE system allows you to simplify the task of program-ming your video TV to make recordings with the timer. Wheneveryou want to record a TV program, all you need to do is look up theprog...

– 47 – 28 Basic Operations Recording TV programs (continued) Recording TV programs using the G-CODE system Before you begin • When the TV is in standby mode (the 1 indicator on the video TV is lit in red), press ? / 1 , PROGR +/– or a number button on the remote control. • Make sure that the clock i...

– 65 – SECTION 2 DISASSEMBLY 2-1. REAR COVER REMOVAL 2-2. CHASSIS ASSY REMOVAL 2-3. SERVICE POSITION (A BOARD) 2-4. A BOARD REMOVAL 2 Rear cover 1 Eight screws (+BVTP 4 X 16) Cassette door 2 Chassis assy 1 Two screws (+BVTP 4 X 16) Note: Notice for Installing chassis assmbly Install chassis assembly...

– 66 – 2-5. HARNESS LOCATION CVboard VM coil Aboard Power cord Demagnetic coil DGC holder Deflection yoke Anode cap DGC holder FBT CN803 CN801 CN604 CN306 CN305 CN304 CN605 CN301 CN303 CN601 CN302 CN251 CN002 CN703 CN701 CN702 CN503 CN961 CN962 CN551 CN704 CN902 CN901 CN903 CN001 CN1003 CV board MA1...

– 67 – • Removal of anode-cap NOTE : Short circuit the anode of the picture tube and the anode cap to the metal chassis, CRT shield or car-bon paint on the CRT, after removing the anode. a a • removing procedures b b c 2 Using a thumb pull up ther u b b e r c a p f i r m l y i n t h edirection indic...

– 68 – SECTION 3 SET-UP ADJUSTMENTS • The following adjustments should be made when a complete realignment is required or a new picture tube is installed. • These adjustments should be performed with the rated power supply voltage, unless otherwise noted. The PICTURE and Brightness controls should b...

– 69 – 3-2. CONVERGENCE (1) Horizontal and Vertical Static Convergence 1. Receive DOT HATCH signal adjust [BRT], [PIX] to looks easily. 2. Set V. STAT Mg, BMC Mg to standard condition. 3. Correct V. STAT Mg. (Correct vertical lag of R, B-DOT around the center of CRT.) (Fig.3-5) 4. Adjust BMC Mg. (Ma...

– 70 – • Adjust TLH. (TLH CORRECTION PIECE : 4-057-714-01) Correct horizontal mis-convergence of X axis' right and left red and blue. When red is outside and view from DY neck side, insert TLH correction piece to rightside (TLH+) and when blue is outside and also view from DY neck side, insert TLH c...

– 72 – CONFIRMATION OF HOLD-DOWN When the parts with a , mark on the circuit diagram shown below are replaced, confirm the matters described in items 1. and 2. shown below. : PM601, R614, C614, IC607, R638 1. CONFIRMATION OF +B LINE (A BOARD) 1) Input 110 V A C. 2) Receive DOT HATCH signal and adjus...

– 73 – SECTION 5 CIRCUIT ADJUSTMENT 5-1. ADJUSTMENTS WITH COMMANDER 1. ENTERING SERVICE MODE 1) Turn on the main power of the set and enter into stand-by mode. 2) Press the following sequence of buttons on the Remote Control Commander. ON SCREEN DISPLAY POWER “ ON ” (REMOTE CONTROL POWER “ ON ” ) VO...

– 74 – • SERVICE MODE DISPLAY No. DATA VP 00 001 G SERVICE ITEM AFMD Entering theservice mode When exchangethe MEMORYIC002 (MA10 board) Perform “ standard value ” writing A board YCJ adjustment Deflection circuitadjustment Micro computeradjustment Write tothe MEMORY Release theservice mode. When exc...

– 77 – 5-4. A BOARD ADJUSTMENT 1. H OSC ADJUSTMENT 1) Input select should be selected LINE input (no signal). 2) Connect a frequency counter to TP801 (A board). 3) Adjust service data "VP42" (HOSC) to become 15.690kHz ± 25Hz. 2. PICTURE QUALITY ADJUSTMENT 2-1. SUB HUE, SUB COLOR adjustment. ...

– 78 – MEMO ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ...

– 79 – – 80 – – 81 – – 82 – SECTION 6 DIAGRAMS 6-1. BLOCK DIAGRAMS TV BLOCK VIDEO TU101 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 NICAM CN301 PLL SW RESET Q AFT 0(TV) OSD R OSD G OSD B OVP YM/YS DGC SW SDA 1 SCL 1 B INT NS V PLS H PLS CRT PWR VCR PWR VM SW RELAY IN RELAY OUT TV V CN303 1...

– 83 – – 84 – – 85 – – 86 – 6-2. CIRCUIT BOARDS LOCATION Note: The components identified by shading and mark B are critical for safety. Replace only with partnummber specified. 6-3. PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS Note: • All capacitors are in µ F unless otherwise noted. pF: µµ F Capaci...

– 87 – – 88 – – 89 – – 90 – 22 A B C D E F G H I J K L M N O P 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 14.0 13.0 2.8 4.4 3.8 4.6 5.2 5V 9V 1.3 0.1 1.3 5.7 5.1 1 33.8 0 1.7 0.5 0.8 157.0 1.7 0 4.8 4.8 7V 12V 0.1 14.8 15V 1.7 0 159.0 0.7 0.7 1.3 6.5 13.0 13.0 0.2 0.8 4.8 12.0 1.3 3.2 2.0...

– 91 – – 92 – – 93 – – 94 – A B C D E F G H I J K 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 7 6.9 6.9 6.9 0 6.8 6.8 6.8 6.9 0 0 4.1 0.5 0 0 0.6 12V 9V +B 133.8 67.1 134.3 67.0 0.4 0.9 2.1 1.8 2.4 2.4 1.8 2.1 2.3 5.4 6.1 5.7 3.6 3.4 2.3 140.8 139.5 1 2 3 9V 3.6 3.4 3.6 3.4 2.4 148.5 149.0 150.3 6 ...

– 98 – SECTION 3 CIRCUIT ADJUSTMENTS Necessary items and indications for total adjustment of electric circuit of this unit will be described in this chapter. [ INSTRUMENTS TO BE USED ] 1) Color TV 2) Signal or dual trace type oscilloscope, band more than 30 MHz, delay, as provided. 3) Frequency coun...

– 99 – X’tal OSC CHECK Mode PB Signal Alignment tape, Stair step Measurement Point MA10 board Q823 emitter(NTSC) IC802 %ª pin(PAL) Measurement Equipment Oscilloscope Specified Value 500 ± 200mVp-p Check: 1)Confirm the frequency is 3.579545MHz ± 82Hz(NTSC), and 4.433619MHz ± 100Hz(PAL). 2)Confirm the...

– 100 – REC Y LEVEL CHECK Mode E-E(SP) Signal No signal Measurement Point MA10 board IC802 !• pin Measurement Equipment Oscilloscope Specified Value 240 ± 70mVp-p(NTSC) 260 ± 70mVp-p(PAL) Check: Confirm the Vp-p of the waveform is 220 ± 70mVp-p. Fig.3-7 REC CHROMA CHECK 240 ± 70mVp-p (NTSC) 260 ± 70...

– 101 – SECTION 4 INTERFACE, IC PIN FUNCTION DESCRIPTION Pin No. Signal I/O Function 1 S SEL F I S-INPUT SELECT (FRONT) 2 S SEL R I S-INPUT SELECT (REAR) 3 ST I TU STEREO MODE 4 BIL I TU BILINGUAL MODE 5 DGC SW – DGC ON/OFF CONTROL 6 ST/ MONO I SET MODE STEREO/MONO 7 – – 8 MAIN /SUB O TU MAIN/SUB CO...

– 103 – CAM UN LOAD IC402 9 O HI-Z H L H L *7 *7 *7 *7 *7 *7 *7 *7 *7 *7 *7 CAM LOAD IC402 8 O L L L L L L L L L L L L L L L L MODE 1 IC402 @™ I H L L *1 *1 H H H H H H H H L H H MODE 2 IC402 @¡ I H L L *1 *1 H H H L L L L L L L L MODE 3 IC402 @º I L L L *1 *1 H L L L L L L L H L L MODE 4 IC402 !ª I...

– 104 – 4-7. SERVO/SYSTEM CONTROL PORT FUNCTION DESCRIPTION (MA10 BOARD IC402) Pin No. Signal I/O Function 1 RF SWP O RF SWITCHING PULSE 2 – – 3 – – 4 QVD O QUASI VD 5 CTLHYS HIGH O CTL CONTROL 6 – – 7 REC CTL O REC CTL SIGNAL 8 CAM LOAD O CAM LOADING 9 CAM UNLOAD O CAM UNLOADING 10 CTL RESET O CTL ...

– 105 – – 106 – – 107 – SECTION 5 DIAGRAMS 5-1. BLOCK DIAGRAMS VIDEO BLOCK SWP J101 V L CN002 TU AL(REC) 1 TU V(REC) 2 RE LINE L 3 RE LINE Y 4 NC 5 RE LINE C 6 TU AL(TV) 7 TU V(TV) 8 NC 9 TV C 10 GND(A) 11 TV Y 12 TV V 13 SP L OUT CN251 J1102 HEADPHONE 1 GND(SP) 2 GND(SP) 3 FROM IC001 $ $¶, , $ª 1 F...

– 108 – – 109 – – 110 – 5-3. PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS Note: • All capacitors are in µ F unless otherwise noted. pF: µµ F Capacitors without voltage indication are all 50V. • All resistors are in ohms. k Ω = 1000 Ω , M Ω = 1000k Ω • Indication of resistance, which does not have on...

– 111 – – 112 – – 113 – – 114 – 22 23 A B C D E F G H I J K L M N O P 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 SW5V 4.9 <1.3> 2.5 2.5 2.5 2.5 2.5 MTR12V 2.5 2.5 0.3 4.8 6.3 0.3 4.5 2.6 2.0 D5V 5.0 5.0 0.4 4.9 2.5 2.2 5.0 5.0 0 0 0 0 0 0 4.7 4.7 4.7 4.7 D5V 0.8 4.1 -0.2 4.5 0 0 4V ...

– 115 – – 116 – – 117 – – 118 – Schematic diagrams MA10(2/3) boards , , , , , Schematic diagram < < < < < MA10(1/3) board 3 1 1 4 MA10(2/3) BOARD WAVEFORMS 5 2 7 6 6 7 7 9 9 9 10 11 9 13 12 12 12 0.4Vp-p (H) 0.4Vp-p (H) 0.32Vp-p (H) 0.32Vp-p (H) 0.5Vp-p (H) 1.2Vp-p(H) 1.2Vp-p (H) 1.8V...

– 121– 5-4.SEMICONDUCTORS 8pin SOP 16pin SOP IC 1 TOP VIEW 1 TOP VIEW 48pin DIP 19 1 20 32 33 51 52 64 TOP VIEW 1 TOP VIEW 30pin DIP TOP VIEW 24 1 25 40 41 64 65 80 BA10393F-E2BA6305F-E2BA7755AF-E2M24C16-MN6TNJM062M CXA2089Q CXA2130S CXP85460 CXP87852 GP3S120 HA118295NT LA71504M-MPB LA7840L LB1643 L...

– 124 – NOTE: • Items with no part number and no description are not stocked because they are seldom requiredfor routine service. • The construction parts of an assembled part are indicated with a collation number in the remarkcolumn. • Items marked " * " are not stocked since they are seldo...

REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- The components identified byshading and mark ! are criti- cal for safety.Replace only with part numbersp...

REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- The components identified byshading and mark ! are criti- cal for safety.Replace only with part numbersp...

REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- The components identified byshading and mark ! are criti- cal for safety.Replace only with part numbersp...