DAEWOO_CP-185M.pdf part of DAEWOO KR14/20/21E5 DTV14/20/21/V3 DAEWOO_CP-185M.pdf, Service manual and circuit diagram text manual preview

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S/M No. : TCP185MEF1

Service Manual
Color Television
CHASSIS : CP-185M Model : KR14E5/DTV-14V3 KR20E5/DTV-20V3 KR21E5/DTV-21V3

14V3/20V3/21V3

Specification
Version TV Standard Sound system Power Consumption Sound Output Power Speaker Teletext system Aerial Input Channel coverage Tuning System Visual screen size Channel indication Program selection TK PAL-SECAM B/G-D/K MONO 14": 39W; 20": 42W; 21": 45W 2.5W(at 60% mod, 10% THD) 3W 8 ohm NONE 75ohm unbalanced Off-air cannels, S-cable channels and hyperband Frequency synthesiser tuning system 14" : 34cm 20" : 48cm 21" : 51cm On screen Display 100 programmes

EURO-SCART:Audio /Video and Out, R/G/B in, Auxiliary Output Terminal slow and fast wtching, SVHS in. Audio-Video jack on front of cabinet in common connection with EURO-SCART. Headphone jack(3.5mm)on front of cabinet R-40A10 Remote Control

DAEWOO ELECTRONICS CO., LTD
http : //svc.dwe.co.kr Feb. 2001

SPECIFICATIONS

CH S02 S03 S04 S05 S06 S07 S08 S09 S10 S11 S12 S13 S14 S15 S16 S17 S18 S19 S20 S21

EUROP E CCIR 112.25 119.25 126.25 133.25 140.25 147.25 154.25 161.25 168.25 231.25 238.25 245.25 252.25 259.25 266.25 273.25 280.25 287.25 294.25 303.25

FRANCE 116.75 128.75 140.75 152.75 164.75 176.75 188.75 200.75 212.75 224.75 236.75 248.75 260.75 272.75 284.75 296.75 136.00 160.00 303.25

GB(IRELAND) 111.25 119.25 127.25 135.25 143.25 151.25 159.25 167.25 255.25 263.25 271.25 279.25 287.25 295.25 303.25 -

EAST OIRT 112.25 119.25 126.25 133.25 140.25 147.25 154.25 161.25 168.25 231.25 238.25 245.25 252.25 259.25 266.25 273.25 280.25 287.25 294.25 303.25

CH S22 S23 S24 S25 S26 S27 S28 S29 S30 S31 S32 S33 S34 S35 S36 S37 S38 S39 S40 S41

EUROP E CCIR 311.25 319.25 327.25 335.25 343.25 351.25 359.25 367.25 375.25 383.25 391.25 399.25 407.25 415.25 423.25 431.25 439.25 447.25 455.25 463.25

FRANCE 311.25 319.25 327.25 335.25 343.25 351.25 359.25 367.25 375.25 383.25 391.25 399.25 407.25 415.25 423.25 431.25 439.25 447.25 455.25 463.25

GB(IRELAND) 311.25 319.25 327.25 335.25 343.25 351.25 359.25 367.25 375.25 383.25 391.25 399.25 407.25 415.25 423.25 431.25 439.25 447.25 455.25 463.25

EAST OIRT 311.25 319.25 327.25 335.25 343.25 351.25 359.25 367.25 375.25 383.25 391.25 399.25 407.25 415.25 423.25 431.25 439.25 447.25 455.25 463.25

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CIRCUIT BLOCK DIAGRAM

6

ALIGNMENT INSTRUCTIONS
Microcontroller configuration : Service mode
To switch the TV set into service mode please see instruction below. 1 - Select pr. number 91 2 - Adjust sharpness to minimum and exit all menu. 3 - Quickly press the key sequence : RED - GREEN - menu To exit SERVICE menu press menu key or Std By key. In Service Mode press " OK"to stop the microcontroller i.e. the I2C bus is free and the set can be controlled by external equipment. Press " OK"again to allow the microcontroller to control the set again

Microcontroller configuration :
Tuner Option

Option DW PH1 PH2
System Option

Tuner maker DAEWOO / SAMSUNG PHILIPS ( Video processor AGC ) PHILIPS (tuner internal AGC )

Option TF TK TU TA

System PAL - B/G PAL/SECAM - B/G, D/K (set for Russia) PAL - I/I PAL/SECAM - B/G, SECAM - L/L'

TV set Alignment
1 - G2 alignment - Set TV in NORMAL I mode - TV in AV mode without video signal ? Black screen. - TV preset with WP Red, WP Green and WP Blue equal to 32. - TV preset with Black R, Black G equal to 8. - Adjust screen volume ( on FBT ) such that the highest cathode cut-off voltage measured on CRT board, is Vcut-off ± 5V.

Screen size 14" 20"& 21"

Vcut-off 115 V 125 V

2 - White balance
- Select a dark picture and adjust Black G and Black R to the desired colour temperature. - Select a bright picture and adjust WP Red, WP Green, WP Blue to the desired colour temperature.

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ALIGNMENT INSTRUCTIONS

3 - Focus
- Adjust the Focus volume ( on FBT ) to have the best resolution on screen.

4 - Vertical geometry
- Adjust the Vertical Amplitude, Shift, S-Correction and Slope to compensate for vertical distortion

5 - Horizontal picture centering
- Adjust H Shift to have the picture in the center of the screen.

7 - AGC
- Adjust the antenna signal level to 68 dBµV± 2 for Daewoo tuner (63 dBµV± 1 for Philips tuner). - Set RF AGC to 0. - Increase RF AGC level and stop when the level on pin 6 of I501 goes below 2.5 Vdc

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