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KV-20WS1
SERVICE MANUAL
MODEL
COMMANDER DEST. CHASSIS NO.
BE-5
MODEL
COMMANDER
CHASSIS
DEST. CHASSIS NO.
KV-20WS1A KV-20WS1B KV-20WS1D KV-20WS1E
RM-836 RM-836 RM-836 RM-836
Italian
SCC-K31F-A
French SCC-K36F-A AEP
SCC-K32H-A
KV-20WS1K KV-20WS1R KV-20WS1U
RM-836 RM-836 RM-836
OIRT OIRT UK
SCC-K35M-A SCC-K35L-A SCC-K33D-A
Spanish SCC-K30H-A
MENU
PROGR
RM-836
TRINITRON COLOR TV
R
MICROFILM
R
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KV-20WS1
SECTION 4 CIRCUIT ADJUSTMENTS
4-1. ELECTRICAL ADJUSTMENTS
Service adjustment to this model can be performed with the supplied Remote Control Commander RM-836. HOW TO ENTER INTO 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. Range of adjustments available from the on screen menu system.
Adjustment V size V breth Pin amp Para. tilt Set 21 32 12 43 42 05 34 00 42 26 32 42 00 00 06 36 18 Range 0 - 63 0 - 63 0 - 63 0 - 63 0 - 63 0 - 63 0 - 63 0 - 63 0 - 63 0 - 63 0 - 63 0 - 63 0 - 63 0 - 63 0 - 63 0 - 63 0 - 63
+
(ON SCREEN DISPLAY)
5
(DIGIT 5)
+
(VOLUME +) (TV)
V linear Corner corr H size
"TT-- " will appear in the top right corner of the screen Other status information will also be displayed. 3. Press the MENU button on the Remote Commander to obtain the menu on the screen.
V pos H phase Blue Green
Adjust. 16:9 ON System Text AGC PLL V1 00-01
Red HV blk 1 HV blk 2
33 32 00-63 00-63 SONY BE-5
V cent Zwei max zwei min
Software version
4. Press the Blue (Next) or Green (previous) buttons to select the adjustment item from the table. 5. Press the Yellow (+) or Red (-) buttons to change the data as required. 6. Turn off the power to quit the service mode when adjustments are completed.
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KV-20WS1
4-2. TEST MODE 2:
TT -- Mode is available by pressing the Test button twice, O.S.D 'TT --' appears. The functions described below are available by pressing two digits. To release the 'TT --' mode, press 0 twice, press 'TEST' , press 'TV' or switch the TV into Stand-by mode.
00 01 02 03 04 05 06 07 08 09 10 11 12 13 14
Switch 'TT--' Mode off. Set picture level to maximum. Set picture level to minimum. Set volume to 35%. Set volume to 50%. Set volume to 65%. Set volume to 80%. Ageing condition (picture max., brightness max.). Shipping condition (Analog values are RESET to factory setting, Prog 1 is selected, TT--mode switched off, Vol = 35%). Dummy. No function. Dummy Dummy. Dummy. Dummy. Read factory setting from ROM to NVM - Reads Volume, Brightness, Picture, Hue, Sharpness and Colour values from ROM to the actual used values (Last Power Memory). Save actual used values as reset values. Enable / Disable Sharpness Operation. Dummy. RGB priority. No function. No function. Sub Colour (Pal / Secam Different Stores) Sub Brightness. RGB priority on.
25 26 27 28 29 30-31 32 33-35 36 37 38 39 40 41 42 43 44-47 48 49 50 51
Destination Systems DKE. Destination Systems I/U. Destination System I/I'. Destination BG only. Dummy. No function. Picture level to 50% No function. Audio mute ON. OSD off. Enter G2 adjustment mode. Sub-brightness No function. Re-initialise NVM. Dummy. Re-initialise Geometry settings. Dummy Set NVM testbyte to 44h in NVM. Erase NVM testbyte No function. Toggle 60/100 programs.
15
16 17 18 19 20 21 22 23 24
Note : For Test Modes 41 - 51, it is necessary to ensure that the TV is set to Prog 59.
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KV-20WS1
DEFLECTION SYSTEM ADJUSTMENT 1. Enter into the service mode. 2. Using the Blue or Green buttons select the Adjust item. 3. Press the Yellow button to enter the adjustment submenu. 4. Select and adjust each item in order to obtain the optimum image. See Note on page 22
VERT, AMPL
V, LINEAR
V, CENTRE Adjustment V size V breth Pin amp Para. tilt V linear Corner corr H size V pos H phase Blue Green Red HV blk 1 HV blk 2 V cent Zwei max zwei min Set 21 32 12 43 42 05 34 00 42 26 32 42 00 00 06 36 18 Range 0 - 63 0 - 63 0 - 63 0 - 63 0 - 63 0 - 63 PAR TILT 0 - 63 0 - 63 0 - 63 0 - 63 0 - 63 0 - 63 0 - 63 0 - 63 0 - 63 0 - 63 0 - 63 PAR AMP H, CENTRE
AGC ADJUSTMENT 1. Receive a signal of 63dBuV / 75 ohm terminated via the tuner socket. 2. Measure the voltage at AGC TP. 3. Adjust TU101 RV to obtain a voltage of 3.0 ± 0.3V.
H.SIZE CN804 AGC TP TU101 L109
23
IC101 AGC AFT RV101 RV102
IC301
A
- A Board Component Side -
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