Sony KV-HF21M80 Picture Quality Adjustments SUB Color Adjustment, SUB HUE Adjustment

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KV-HF21M80

RM-952

4-3. PICTURE QUALITY ADJUSTMENTS

SUB COLOR ADJUSTMENT

1.Input a PAL color-bar.

2.Set to the following condition:

PICTURE 100%, BRIGHTNESS 50%, COLOR 50%

3.Connect an oscilloscope to pin 1 (B OUT) of CN305, A board.

4.Set to Service Mode and select SAJ 3 ‘SCL’ with 1and 4of the commander then adjust to VB2=VB3=VB4 with 3 and

6.

5.Press [MUTING] - of the commander to write the data.

6.Adjust SAJ 3 ‘SCL’ as step 2 to 5 when receiving NTSC color- bar.

VB1 VB2 VB3 VB4

VB2 = VB3 = VB4

SUB HUE ADJUSTMENT

1.Select Video 1.

2.Input a NTSC color-bar, video into Video 1.

3.Set the following condition:

PICTURE 100%, BRIGHTNESS 50%, COLOR 50%

4.Connect an oscilloscope to pin 1(B OUT) of CN305, A board.

5.Select SAJ 1 ‘SHU’ with 1and 4of the commander by set- ting to Service Mode and adjust to VB1=VB2=VB3=VB4 with

3 and 6.

VB1 VB2 VB3 VB4

VB1 = VB2 = VB3 = VB4

6. Press [MUTING] - of the commander to write the data.

BELL FILTER ADJUSTMENT

1.Input SECAM color-bar signal.

2.Connect the dual-trace oscilloscope to the pin 9 (R-Y) of CN303 (not mounted).

3.Adjust SERVICE MODE, ITEMS ‘SBF’ as shown below.

4-4. A BOARD ADJUSTMENT AFTER IC003

(MEMORY) REPLACEMENT

When replacing IC003 (MEMORY), be sure to change IC001 (- COM) to the following new IC at the same time.

IC001(-CON):CXP86449-616S (KV-HF21M60/HF21P50) CXP86449-623S (KV-HF21M80)

1.Enter to Service Mode.

2.Press commander buttons 5 and - (Data Initialize), and 2 and - (Data Copy) to initialize the data.

3.Call each item number and check if the respective screen shows the normal picture.

In cases where items are not well adjusted, rectify the items with fine adjustment.

Write the data per each item number ([MUTING] +-).

4.Select item numbers “OPB0” (OP1), “OPB1” (OP2) and “OPB2” (OP3) and respectively set the bit per model with command buttons 3 and 6.

5.Press commander buttons 8 and - (Test Normal) to return to the data that was set on the shipment from the factory. (This will also cancel Service Mode.)

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Contents Trinitron Color TV Specifications KV-HF21M80Table of Contents DiagramsDisassembly SET-UP AdjustmentsSelf Diagnostic Function Diagnostic Test IndicatorsDisplay of STANDBY/TIMER Light Flash Count Stopping the STANDBY/TIMER FlashSELF-DIAGNOSTIC Screen Display Handling of SELF-DIAGNOSTIC Screen DisplaySELF-DIAGNOSTIC Circuit +B overcurrent ªOCPºGetting Started Connect the antennaConnecting the 3D Woofer Preset the channels automaticallyInsert the batteries into the remote Terminals at the rear of your TVConnecting optional components Connecting a camcorder/video game equipmentUsing the … video input jacks Connecting audio/video equipment using the ÚPresetting channels automatically Presetting channelsPresetting channels manually Watching the TV Skipping program numbersChanging the on-screen display language Setting the Wake Up timerSetting the Sleep timer Adjusting the picture and sound settings Selecting the surround modeCustomizing the picture and sound Selecting the picture and sound modesChanging the favorite channel setting Viewing your favorite channelsBlocking the channels Child Lock Selecting a favorite channelTroubleshooting Self-diagnosis functionTroubleshooting Remote Control Identifying parts and controlsService Position Note Remove F Bracket first Rear Cover RemovalChassis Assy Removal Bracket RemovalDegauss Coil Removal Replacement of PartsTerminal Bracket Removal Removal of ANODE-CAP Removing Procedures Picture Tube RemovalSection SET-UP Adjustments Beam LandingConvergence Horizontal and Vertical Static ConvergenceYCH TLV Focus Adjustment G2 Screen and White Balance AdjustmentsAdjustments with Commander Entering Service ModeAdjustment Method Adjustment Item Table INF INS TXT OPM OPB KV-HF21M80 Item InformationPicture Quality Adjustments SUB Color Adjustment SUB HUE AdjustmentBell Filter Adjustment Board Adjustment After IC003 Memory ReplacementPicture Distortion Adjustment Item Number 00 0BBlock Diagram ProsessorFrame Schematic Diagram Circuit Boards LocationSchematic Diagrams and Printed Wiring Boards SecamBoard Waveforms Schematic Diagram of a 1/2 Board CN901 4P to SpeakerSchematic Diagram of a 2/2 Board SRTBoard Printed Wiring BoardBoard IC001 CXP86449-623S Schematic Diagrams of C3 and F boards Printed Wiring BoardsC3 Board C3 Board WaveformsVM1 Board Schematic Diagram of VM1 boardSemiconductors Exploded Views ChassisSection Electrical Parts List Elect 1MF REF. NO. Part no Description Diode RN4Z Coil Carbon Metal Metal Oxide SOCKET, CRT Coil VM1 Accessories and Packing Materials 965-767-01