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Sony KV-VF21M40 Adjusting the picture for rental tapes, When connecting to a Sony VCR

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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 to

use this function when watching rental tapes.

1

Press MENU.

2

Press M or m to select , then press ENTER.

3

Press M or m to select VIDEO SET UP, then press ENTER.

4

Press M or m to select

RENTAL, then press

ENTER.

The selected item turns red.

5

Press M or m to select ON,

then press ENTER.

To return to the normal screen

Press MENU.

SELECT

VIDEO SET UP

TRACKING : AUTO

APC : ON

AUTO REPEAT : OFF

RENTAL : OFF

VHS : OTHERS

COL SYS : AUTO

3

ENTER

SELECT

VIDEO SET UP

TRACKING : AUTO

APC : ON

AUTO REPEAT : OFF

RENTAL : ON

VHS : OTHERS

COL SYS : AUTO

3

ENTER

PLAY

ENTER

H

PLAY

ENTER

H

PLAY

ENTER

H

PLAY

ENTER

H

45

Additional Operations

When connecting to a Sony VCR

If you use this video TV with another Sony VCR, the remote control

may accidentally operate both the video TV and VCR at the same

time. To prevent this from happening, set VHS to SONY so that the

remote control operates only this video TV.

1

Press MENU.

2

Press M or m to select , then press ENTER.

3

Press M or m to select VIDEO SET UP, then press ENTER.

4

Press M or m to select

VHS, then press ENTER.

The selected item turns red.

5

Press M or m to select

SONY, then press ENTER.

To return to the normal screen

Press MENU.

SELECT

VIDEO SET UP

TRACKING : AUTO

APC : ON

AUTO REPEAT : OFF

RENTAL : OFF

VHS : OTHERS

COL SYS : AUTO

3

ENTER

SELECT

VIDEO SET UP

TRACKING : AUTO

APC : ON

AUTO REPEAT : OFF

RENTAL : OFF

VHS : SONY

COL SYS : AUTO

3

ENTER

PLAY

ENTER

H

PLAY

ENTER

H

PLAY

ENTER

H

PLAY

ENTER

H

continued

Contents

Main SERVICE MANUAL CHASSIS (VF21M77 ONLY) COLOR VIDEO TV TRINITRON SPECIFICATIONS Receivable channels and channel display Page 1. OUTLINE 2. DIAGNOSTIC TEST INDICATORS SELF DIAGNOSTIC FUNCTION 4. SELF-DIAGNOSTIC SCREEN DISPLAY 5. HANDLING OF SELF-DIAGNOSTIC SCREEN DISPLAY 3. DISPLAY OF STANDBY LIGHT FLASH COUNT 6. SELF-DIAGNOSTIC CIRCUIT [+Bovercurrent] standard pulse which detect cathode current, or which become low almost. become LOW and OFF RY601. [+Bovervoltage] Step 1: Preparation Check the supplied accessories Insert the batteries into the remote control Step 2: Installing the video TV Secure the video TV Step 3: Connecting the antenna 7 Connecting an outdoor antenna To connect a VHF antenna or a combination VHF/UHF antenna75-ohm coaxial cable (round) To connect both VHF and UHF antennas Step 5: Setting the clock You need to set the clock to use timer recording, Quick-Timer recording and on-timer functions. CLOCK SET , then press Press ENTER. The day section turns red. Press M or m to set the day, then press ,. The month section turns Step 6: Setting the channels Presetting channels automatically Make sure TV SET UP is selected, then press 12 Step 6: Setting the channels (continued) Presetting channels automatically using the TUNER PRESET ON/OFF button on the video TV t 14 Basic Operations 15 Watching the TV Selecting the picture mode Displaying on-screen information Basic Operations 16 Playing a tape 17 Press PLAY N. Playback starts. On-screen information is displayed for a few seconds. Protecting your cassette against accidental erasure 18 Recording TV programs Recording TV programs 20 To stop recording 21 To pause recording Recording with the TV off Recording using QUICK-TIMER 23 Before you begin 24 25 Changing or canceling the Quick Timer settings Press QUICK TIMER. The QUICK TIMER display appears. 26 Recording TV programs using the timer 27 Setting the timer If you have made a mistake during timer setting Daily/weekly recording Adjusting the TV Adjusting the volume INTELLIGENT VOL Additional Operations Presetting channels manually Skipping program positions Adjusting the TV system Adjusting the color system Changing the PICTURE MODE setting 36 Adjusting the alignment of the picture 37 Tape options Adjusting the tracking Adjusting the tracking automatically Adjusting the tracking manually 38 Adjusting with Adaptive Picture Control (APC) 39 To change the setting Playing a tape repeatedly Adjusting the picture for rental tapes When connecting to a Sony VCR 42 Setting the color system 43 Switching off SLEEP To cancel the timer 44 Switching on 45 ON TIMER To cancel the on-timer function 46 Searching using the index function To connect a VCR 47 To stop searching Connecting optional equipment 48 Connecting optional equipment (continued) To watch the video input signal t 2/GAME IN 9 GAME GAME Self-diagnosis function Check that the 1 indicator flashes red once or more in intervals of 3 seconds. Count the number of times the indicator flashes. Press ?/1 to turn off your video TV. t Identifying parts and controls Refer to the pages indicated in parentheses ( ) for details. Front panel 14 2 3 5 6 56 Identifying parts and controls (continued) 57 Remote control 1-2. KV-VF21M77 Step 1: Preparation Check the supplied accessories B A Insert the batteries into the remote control Step 3: Connecting the antenna 7 Connecting an outdoor antenna To connect a VHF antenna or a combination VHF/UHF antenna75-ohm coaxial cable (round) To connect both VHF and UHF antennas Step 5: Setting the clock You need to set the clock to use timer recording, Quick-Timer recording and on-timer functions. CLOCK SET , then press Press ENTER. The day section turns red. Press M or m to set the day, then press ,. The month section turns Step 6: Setting the channels Presetting channels automatically Make sure TV SET UP is selected, then press 12 Step 6: Setting the channels (continued) Presetting channels automatically using the TUNER PRESET ON/OFF button on the video TV t 14 Basic Operations 15 Watching the TV Selecting the picture mode Displaying on-screen information Basic Operations 16 Playing a tape 17 Press PLAY N. Playback starts. On-screen information is displayed for a few seconds. Protecting your cassette against accidental erasure 18 Recording TV programs Recording TV programs 20 To stop recording 21 To pause recording Recording with the TV off Recording using QUICK-TIMER 23 Before you begin 24 25 Changing or canceling the Quick Timer settings Press QUICK TIMER. The QUICK TIMER display appears. 26 Recording TV programs using the G-CODE 27 Setting up the G-CODE system 28 Recording TV programs using the G-CODE system 29 If you make a mistake entering the G-CODE number To use the video TV before timer recording starts Recording TV programs using the timer 31 Setting the timer If you have made a mistake during timer setting Daily/weekly recording Adjusting the TV Adjusting the volume INTELLIGENT VOL Additional Operations Presetting channels manually Skipping program positions Adjusting the TV system Adjusting the color system Changing the PICTURE MODE setting 40 Adjusting the alignment of the picture 41 Tape options Adjusting the tracking Adjusting the tracking automatically Adjusting the tracking manually 42 Adjusting with Adaptive Picture Control (APC) 43 To change the setting Playing a tape repeatedly Adjusting the picture for rental tapes When connecting to a Sony VCR 46 Setting the color system 47 Selecting a bilingual program 48 Switching off 49 SLEEP To cancel the timer Switching on Searching using the index function To stop searching 52 Connecting optional equipment 53 To connect a VCR Watching and recording the picture input from optional equipment To connect a video camera Self-diagnosis function Troubleshooting 58 Symptoms caused by contaminated video heads 59 Normal picture Rough picture Unclear picture No picture (or black & white screen appears) t Identifying parts and controls Front panel 14 2 3 5 6 62 Identifying parts and controls (continued) Remote control SECTION 2 DISASSEMBLY 2-1. REAR COVER REMOVAL 2-2. CHASSIS ASSY REMOVAL Claw 2 Claw 3 A board CV board VM coil F board Tuner FBT Removal of anode-cap removing procedures 2-6. PICTURE TUBE REMOVAL how to handle an anode-cap SECTION 3 SET-UP ADJUSTMENTS 3-1. BEAM LANDING 3-2. CONVERGENCE 3-3. FOCUS ADJUSTMENT 3-4. SCREEN (G2) ADJUSTMENT 3-6. PICTURE DISTORTION ADJUSTMENT 3-5. WHITE BALANCE ADJUSTMENT CONFIRMATION OF HOLD-DOWN 1. CONFIRMATION OF +B LINE (A BOARD) 2. CONFIRMATION OF HOLD-DOWN (A BOARD) SECTION 4 SAFETY RELATED ADJUSTMENT 3. CONFIRMATION AFTER EXCHANGED IC607 AND R638 4. CONFIRMATION AFTER EXCHANGED PM601, R614 AND C614 - A BOARD COMPONENT SIDE SECTION 5 CIRCUIT ADJUSTMENT 5-1. ADJUSTMENTS WITH COMMANDER SERVICE MODE DISPLAY No. DATA RM-956 5-2. ADJUSTMENT METHOD RM-955 REMOTE COMMANDER'S FUNCTION IN SERVICE MODE 5-3. SERVICE DATA Page 5-4. A BOARD ADJUSTMENT Page 79 80 81 82 SECTION 6 DIAGRAMS @ 1 TV BLOCK 1 A A(1/2) (RGB OUT, VM) A A BOARD IC TRANSISTOR * A TUNER,Y/C/J,HV DEFLECTION, POWER SUPPLY CN703 TO PICTURE TUBE TO F BOARD CN902 VIDEO section CV BOARD F BOARD 24.0Vp-p (H) 1.4Vp-p (5msec) F 95 96 SECTION 1 GENERAL - Bottom Side - 1-1. INTERNAL VIEWS - Top Side - 97 SECTION 2 DISASSEMBLY 2-5. SERVICE POSITION (MA10 BOARD) 2-1. TOP COVER REMOVAL 2-2. VCR BLOCK ASSY REMOVAL 2 Top cover 1 Four screws (+BVTP 3 X 12) SECTION 3 CIRCUIT ADJUSTMENTS [ INSTRUMENTS TO BE USED ] [ CONNECTION ] [ SPECIFIED INPUT/OUTPUT LEVEL IMPEDANCE ] [ SET-UP FOR ADJUSTMENT ] 99 Xtal OSC CHECK SYNC AGC CHECK CARRIER DEVIATION CHECK WHITE/DARK CLIP CHECK 100 REC Y LEVEL CHECK REC CHROMA CHECK PB Y LEVEL CHECK SWITCHING LOCATION ADJUSTMENT WHEN CHANGE DRUM SECTION 4 INTERFACE, IC PIN FUNCTION DESCRIPTION 4-1. -COM PORT FUNCTION DESCRIPTION (MA10 BOARD IC001) 102 4-2. SYSTEM CONTROL-VIDEO BLOCK INTERFACE (MA10 BOARD IC402) 4-3. SYSTEM CONTROL-SERVO PERIPHERAL CIRCUIT INTERFACE (MA10 BOARD IC402) 103 4-4. SYSTEM CONTROL-MECHANISM BLOCK INTERFACE (MA10 BOARD IC402) *1. 30Hz 50% duty pulse approximately 5 msec. delayed from RF SW P. 4-5. SYSTEM CONTROL-SYSTEM CONTROL PERIPHERAL CIRCUIT INTERFACE (MA10 BOARD IC402) 4-6. SYSTEM CONTROL-AUDIO BLOCK INTERFACE (MA10 BOARD IC402) 104 4-7. SERVO/SYSTEM CONTROL PORT FUNCTION DESCRIPTION (MA10 BOARD IC402) 105 106 107 SECTION 5 DIAGRAMS CV VIDEO BLOCK 5-1. BLOCK DIAGRAMS FF10 SYSTEM CONTROL,MAIN MICON, VCR SERVO,AUDIO OUT,Y/C PROCESS, AUDIO PROCESS,VIDEOAFM REC/PB AMP @,,@ MA10 (3/3) f E Terminal name of semiconductors in silk screen printed circuit ( ) * MA10 CLK CS SECAM VM SW TV Y MA10 1 2 3 4 5 6 7 8 9 101112131415161718192021 1 2 3 4 5 6 10 12 13 14 15 MA10 SP CH2 F Q701 SW5V 123456789101112 FF10 (LED,EJECT SW) A B C D 12345 123 Page Page Page Page Page 129 SECTION 7 ELECTRICAL PARTS LIST F A TV BLOCK 130 131 132 ACV 133 CV 134 VIDEO BLOCK FF10 MA10 135 136 137 138 139 140 KV-VF21M40/VF21M70/VF21M77 9-965-739-01 Quality Assurance Division Sony Ichinomiya Corporation