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SERVICE MANUAL
FE-2 CHASSIS
MODEL COMMANDER DEST CHASSIS NO. MODEL COMMANDER DEST CHASSIS NO.
KV-21FX30B RM-887 FR SCC-Q54G-A KV-21FX30K RM-887 OIRT SCC-Q51J-A
KV-21FX30E RM-887 ESP SCC-Q53H-A
RM-889
1
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TABLE OF CONTENTS Section Title Page Section Title Page Specifications .................... 3 4. CIRCUIT ADJUSTMENTS Connectors .................... 4 Self Diagnostic Software .................... 5 4-1. Electrical Adjustments .................... 19 4-2. Test Mode 1 .................... 21 1. GENERAL 4-3. Test Mode 2 .................... 21 Switching On the TV and Automatically Tuning .................... 6 5. DIAGRAMS Introducing the Menu System .................... 7 Menu Guide ...........
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ITEM MODEL Television System Stereo System Channel Coverage Color System VHF : E2-E12, F2-F10 PAL, SECAM GERMAN/NICAM UHF : E21-E69, F21-F69, B21-B69 BL B/G/H, D/K, I, NTSC4.43, NTSC3.58 Stereo CABLE TV : S01-S03, S1-S20, B-Q (VIDEO IN) HYPER : S21-S41 VHF : E2-E12 PAL, SECAM GERMAN/NICAM UHF : E21-E69 EK B/G/H, D/ NTSC4.43, NTSC3.58 Stereo CABLE TV : S01-S03, S1-S20 (VIDEO IN) HYPER : S21-S41 VHF : E2-E12, R01-R12 PAL, SECAM GERMAN/NICAM UHF : E21-E69, R21-R69 KK B/G/H, D/ NTSC4.43, NTSC3.58 St
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21 pin connector Pin No 1 2 4 Signal Signal level 1 Audio output B Standard level : 0.5V rms (right) Output impedence : Less than 1kohm* Audio output B Standard level : 0.5V rms 2 (right) Output impedence : More than 10kohm* Audio output A Standard level : 0.5V rms 3 (left) Output impedence : Less than 1kohm* 4 Ground (audio) 5 Ground (blue) 21 20 6 Audio input A Standard level : 0.5V rms (left) Output impedence : More than 10kohm* 19 18 7 Blue input 0.7 +/- 3dB, 75 ohms positive 17 High state (
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FE-2 SELF DIAGNOSTIC SOFTWARE The identification of errors within the FE-2 chassis is triggered in one of two ways :- 1: Busy or 2: Device failure to respond to IIC. In the event of one of these situations arising the software will first try to release the bus if busy (Failure to do so will report with a continuous flashing LED) and then communicate with each device in turn to establish if a device is faulty. If a device is found to be faulty the relevant device number will be displayed through
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SECTION 1 GENERAL 6 The operating instructions mentioned here are partial abstracts from the ‘Operating Instruction Manual’. The page numbers of the ‘Operating Instruction Manual’ remain as in the manual. 5 The Auto Tuning menu appears on the screen. Press the Switching On the TV and Automatically Tuning Do you want to start OK button to select Yes. automatic tuning? Yes The first time you switch on your TV, a sequence of menu screen appear on the TV enabling No K you to: 1) choose the
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7 Level 1 Level 2 Level 3 / Function Introducing and Using the Menu System SOUND ADJUSTMENT Picture Adjustment Your TV uses an on-screen menu system to guide you through the operations. Use the Mode: Personal Contrast The “Sound Adjustment” menu allows you to Brightness following buttons on the Remote Control to operate the menu system: Colour alter the sound adjustments. Sharpness Hue Reset OK To do this: after selecting the item you want to alter, press . then press re
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8 Level 1 Level 2 Level 3 / Function Level 1 Level 2 Level 3 / Function SLEEP TIMER Picture Adjustment AUTO TUNING Picture Adjustment Mode: Personal The “Sleep Timer” option in the “Timer” menu Mode: Personal The “Auto Tuning” option in the “Set Up” Contrast Contrast Brightness Brightness Colour allows you to select a time period for the TV to menu allows you to automatically search for Colour Sharpness Sharpness Hue and store all available TV channels. swi
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9 Level 1 Level 2 Level 3 / Function Level 1 Level 2 Level 3 / Function b) Label a channel using up to five characters. Picture Adjustment NOISE REDUCTION Picture Adjustment Mode: Personal Mode: Personal Contrast The “Noise Reduction” option in the “Detail Set To do this: Highlighting the Programme Contrast Brightness Brightness Colour Up” menu allows to reduce automatically the Colour Sharpness option, press the PROGR +/- button to select Sharpness Hue H
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10 Level 1 Level 2 Level 3 / Function Teletext RGB CENTRING Picture Adjustment Mode: Personal When connecting an RGB source, such as a Teletext is an information service transmitted by most TV stations. The index page of the Contrast Brightness “PlayStation”, you may need to readjust the teletext service (usually page 100) gives you information on how to use the service. To Colour Sharpness Hue horizontal position of the picture. In that case, operate teletext, use the remo
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11 Troubleshooting Specifications Here are some simple solutions to the problems which may affect the picture and sound. Problem Solution TV system: Sound Output: Depending on your country selection: No picture (screen is dark) and no Check the aerial connection. 2 x 14 W (music power) sound. Plug the TV in and press the button on the front of B/G/H, D/K 2 x 7 W (RMS) TV. Colour system: Power Consumption: If the standby indicator is on, press button on PAL, SECAM 60 W the remote co
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=> => SECTION 2 DISASSEMBLY 2-1. Rear Cover Removal 2-2. Speaker Connector Disconnection => <= => <= => Release the mains power cable from its securing posts. Remove the rear cover fixing screws indicated. Pull the rear cover away from the front beznet. Take care when removing Before completely removing the rear cover disconnect the the rear cover not to damage the speaker cables as speakers speaker connectors which are located on the inside base of are fitted inside the rear cover. thebeznet.
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<= <= <= 2-5. A Board PWB Removal [ Step 1 ] 2-6. A Board PWB Removal [ Step 2 ] Remove screw. Release the 2 securing clips located at either side of the chassis and slide the PWB clear of the bracket. Remove FBT support bracket. 2-7. Service Position 2-8. Wire Dressing Place the A Board PWB in the position indicated to carry out servicing. Ensure that all wires do not touch heat-sinks and high temperature hot spots. All wires must be kept at a minimum distance of 20mm away from the EHT lead. 13
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2-9. Picture Tube Removal 9 1 WARNING: 2 BEFORE REMOVING THE ANODE CAP 4 6 High voltage remains in the CRT even after the power is disconnected. To 8 avoid electric shock, discharge CRT before attempting to remove the anode cap. Short between anode and CRT coated earth ground strap. 10 7 3 Coated Earth Ground Strap 5 1. Discharge the anode of the CRT and remove the anode cap. 2. Release the EHT lead from its CRT support bracket. 3. Unplug all interconnecting leads from the Deflection yoke, degau
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SECTION 3 SET-UP ADJUSTMENTS Carry out the adjustments in the following order : When complete readjustment is necessary or a new picture 3-1. Beam Landing. tube is installed, carry out the following adjustments. 3-2. Convergence. Unless there are specific instructions to the contrary, carry 3-3. Focus. out these adjustments with the rated power supply. 3-4. White Balance. Unless there are specific instructions to the contrary, set the controls and switches to the following settings : Note
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4. If the V.STAT magnet is moved in the direction of the (a) 3-2. Convergence and (b) arrows, the Red, Green and Blue points move as indicated below. Preparation: • Before starting this adjustment, adjust the focus, horizontal a b size and vertical size. B B b • Minimize the Brightness setting. a • Input a dot pattern from the pattern generator. G G a Horizontal and Vertical Static Convergence R R b Center dot R a G B R G B R G B a V.STAT Vertical Static Magnet b H STAT convergence control b C
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Geometry Adjustment. YCH Adjustment Preparation: YCH VR + + Deflection Yoke Before starting this adjustment, adjust the horizontal and vertical static convergence. 1. Remove the deflection yoke spacer. 2. Tilt the deflection yoke as indicated in the figure below and TLV Adjustment optimise the geometry. Tilting the DY Up and Down will balance the upper and lower pin adjustment. + + TLV VR Tilting the DY Left and Right will balance the H-Trap Deflection Yoke adjustment. 3. Re-install the deflecti
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Layout of each control 3-4. Screen (G2), White Balance [Adjustment in the service mode using the remote commander] G2 adjustment 1. Input a dot signal from the pattern generator. 2. Set the Picture, Brightness and Colour to minimum. 3. Apply 175V DC from an external power supply to the R, G V.STAT and B cathodes of the CRT. Purity 4. Whilst watching the picture, adjust the G2 control [SCREEN] BMC (Hexapole) located on the Flyback Transformer to the point just before the flyback return lines disa
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SECTION 4 CIRCUIT ADJUSTMENTS 4-1. Electrical Adjustments SERVICE Offset-R (0, 63) Adj Service adjustments to this model can be performed using the Offset-G (0, 63) Adj suppliedemote Commander RM-887. R-Drive (0, 63) 25 G-Drive (0, 63) Adj How to enter into the Service Mode B-Drive (0, 63) Adj Peak-Freq (0, 3) 0 Luma-Delay (0, 15) 8 1. Turn on the main power switch and enter into the stand-by mode. SC0 (0, 3) 2 2. Press the following sequence of buttons on the Remote White-Peak (0, 15) 15 Comman
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Sub Colour Adjustment Deflection System Adjustment 1. Enter into the ‘Geometry’ service menu. 1. Receive a PAL colour bar signal. 2. Select and adjust each item in order to obtain the optimum image. 2. Connect an oscilloscope to Pin 5 of CN003 [A Board]. 3. Enter into the ‘Service’ service menu. 4. Adjust the ‘Sub Colour’ data so that the Cyan, Magenta and Blue colour bars are of equal levels as indicated below. GEOMETRY V-Linearity (0, 63) Adj V-Scroll (0, 63) 32 Same Level Left-HBlk (0, 15) 8
