background image

-12-

(1) Receive a monochrome circular pattern.
(2) Set the brightness and colour to normal, contrast to maximum.
(3) Enter to the service mode.
(4) Set each value of Item-16 RBIAS17 GBIAS18 BBIAS mode to 00. Set each value of Item-19 RDRIV21 BDRIV

mode to 63, 20 GDRIV to 07.

(5) Select Item-22 mode to be one horizontal scanning  line and turn the screen volume on the FBT to obtain just visible

one coloured line.

(6) Press the 1 (Red Bias +)4 (Red Bias -)2 (Green Bias +)5 (Green Bias -)3 (Blue Bias +) or 6 (Blue Bias -)

button to adjust the brightness of each colour until a dim white line produced. Please see the control button alloca-
tions in this mode.

(7) Select Item-23 DRV mode to enter the white balance adjusting mode.
(8) Press the  7 (Red Drive +)RECALL (Red Drive -)8 (Blue Drive +) or 0 (Blue Drive -) button alternately to 

produce normal black and white picture.

(9) Exit from the service mode.
(10) Check for proper grey scale tracking at all brightness levels.

NOTE: If the grey scale adjustment is made after picture tube replacement, check the high voltage.

Items 16-23 GREY SCALE

Service Adjustments

Red Bias -

Red Bias +

Green Bias -

Blue Bias +

Red Drive +

Blue Drive -

Blue Drive +

Green Bias +

Blue Bias -

Press the MENU button to exit
from service mode

Red Drive -

E

E

B

33

T471-H1

T471-H2

T471-H4

T471-H5

T471-H6

T471-H7

T471-H10

T471

R449

D485

R488

R423A

C465

R481

C423

C423-H1

C423-H2

C423-H3

D438

C420

C420-H1

C420-H2

C420-H3

C423A

C420B

C424A

C424

D439

C422

C422A

JP436

L432

L431

C425

C425A

KQ

C486

C471

R424

R435

C426

R355

C442A

L442

T431

R434

C433

Q431

R474

R485

R445

C424-H1

C425-H1

C424-H3

C424-H2

C425-H2

C425-H3

KDY-1

C442-

C442-H3

C442-H1

C

L462H2

C432

R433

C

42

0A

C420A-H2

C434

R432

C431

C629

C628

T471-H9

1

4

Q613-H6

KDY

T471A

Q432-H5

Q432-H4

Q432-H7

Q432-H6

Q432-H2

Q432

T471-H8

Q432-H3

Q432-H1

J145

C487

R435H2

R435H1

T431A

R423

C465A

C355

JP488

JP487

JP486

C486A

JP476

R449A

T471-H11

T471-H3

D650

R487

C426A

C420A-H1

TP-B

(FBT)

H-OUT

C

T

MAIN BOARD

SCREEN VR

(Under side)

F.B.T.

Summary of Contents for TS5121F

Page 1: ...AC220V 50Hz 60Hz Receiving System PAL M M N N NTSC M M Channel Coverage Antenna mode VHF CH02 CH13 UHF CH14 CH69 CATV mode VHF band CH01 CH13 Mid band CH14 CH22 Super band CH23 CH36 Hyper band CH37 C...

Page 2: ...eiver is the picture tube The picture tube is specially con structed to limit X RADIATION emissions For continued X RADIATION protection the replacement tube must be the same type as the original incl...

Page 3: ...G B K1921 12 8 AC POWER CIRCUIT CONVERTER TRANS 130V MAIN HIGH 20V AUDIO 12V MAIN LOW 24V VERT 9V IC202 REG IC 5V 2 REG IC IC681 5VRC 27 23 HORIZ OUT FBT VERT OUT HORIZ OUT AUDIO RIGHT AUDIO LEFT HEA...

Page 4: ...H KEY SWITCH IN RC PRE AMP RC SIGNAL IN RELAY ON OFF OUT FOR DEGAUSSING ON HIGH LED ON TIMER LED OUT ON LOW IC3401 MTS POWER ON OFF OUT GREEN LED RED POWER CIRCUIT SDA SCL A101 TUNER IC201 IF VIDEO CH...

Page 5: ...MP V C VCC 5V 46 47 48 49 50 A2C PLL 51 52 53 54 Audio Output FM Output Selected Audio Output PIF AGC RF AGC Output PIF Input1 PIF Input 2 IF Ground IF Vcc FM Filter AFT Output Bus Data Bus Clock ABL...

Page 6: ...it Amp 54 10p SIF In Sound BPF VCO Coil VCO COIL1 VCO COIL2 48 49 VIF VCO Chroma Counter B N INV IF Ident OSC C D Amp SIF Sys 2bit pre scaller SIF VCO 500K BPF SIF APC Filter 1K 0 01u 1000p 53 LIM AMP...

Page 7: ...L INPUT 43 44 TREBLE OUT R 41 47 TREBLE FILTER L 45 2 BASS FILTER L 40 SURRTC 38 TVOUT R 39 TVOUT L 36 37 AUX2 L Left channel external input FEXT2 INPUT PIN OF L R SIGNALFROM MAIN OUT PIN9 6dB WIDEBAN...

Page 8: ...ed and some bus data should be set up before attempting the service adjustments See pages 9 10 for detailed information Initial Bus Data Setup Note When IC802 EEPROM is replaced following Service Menu...

Page 9: ...evel 26 B YND 0 16 15 Difference value of NTSC B Y DC Level 27 R YND 0 16 15 Difference value of NTSC R Y DC Level 28 G YA 00 00 01 G Y Angle 29 RBGB 08 00 15 R Y B Y Gain Balance 30 RBAG 08 00 15 R Y...

Page 10: ...0 01 H lock V Det RF 72 HLK V 00 00 01 H lock V Det AV 73 VCO SW 00 00 01 C VCO Adjustment SW 74 VCOADJ 03 00 03 C VCO Adjustment 75 GRAY 00 00 01 Gray Mode 76 CROSS 00 00 03 Cross Black White 77 HL S...

Page 11: ...trast to maximum 3 Select Item No 04 V SIZ in the service mode 4 Change value to be optimum vertical size 5 Exit from the service mode 1 Receive a monochrome circular pattern 2 Set the brightness and...

Page 12: ...per grey scale tracking at all brightness levels NOTE If the grey scale adjustment is made after picture tube replacement check the high voltage Items 16 23 GREY SCALE Service Adjustments Red Bias Red...

Page 13: ...Mode INPUT LEVEL 08 HI SEPARATION 21 LOW SEPARATION 34 ADJUST CHOOSE EXIT MENU 3 Exit from the Service Menu Press the MENU button to turn off the Service Menu display The data which is set in the serv...

Page 14: ...utton 1 Connect an oscilloscope Probe A to TP 317 pin 38 of IC3401 and the ground Probe B to TP 318 pin 39 of IC3401 and the ground 2 Turn on the TV set and receive the multi sound programme 3 Press a...

Page 15: ...the 4 or MENU button on the remote control unit The Service Menu now appear 2 Service Adjustments Press and hold the Cursor or VOLUME button on the remote control handset or TV set to make fine tuning...

Page 16: ...t s gap must be more than 5mm to prevent sparks HORIZ WIDTH AND HIGH VOLTAGE CHECK 1 Receive the monochrome circular pattern 2 Set the brightness to normal and contrast to maximum 3 Adjust the focus c...

Page 17: ...lours to check this use bias controls Readjust the yoke position if necessary until all screens are pure 7 Adjust each Bias control and screen control to obtain white raster Refer to Gray Scale Adjust...

Page 18: ...7 DEC SHEET C7SE 7 610 319 2697 CABINET FRONT C7SP 8 610 319 2741 CABINET BACK C7SA 9 645 072 9812 ASSY REMOCON JXMTJ 10 610 297 9879 RC BATTERY LID JXMTA 11 645 004 3925 ANTENNA CONVERTER 645 005 025...

Page 19: ...ld be considered when a component replacement is made in any area of a receiver Components indicated by a mark in this parts list and the circuit diagram show components whose value have special signi...

Page 20: ...T146 R 405 014 4618 TR 2SC2412K T146 S 405 015 8724 TR 2SC2812 L6 TB 405 015 8922 TR 2SC2812 L7 TB 405 163 1612 TR 2SC2812N L6 TB0 405 163 1711 TR 2SC2812N L7 TB0 405 173 9813 TR 2SC3928A1R 405 173 99...

Page 21: ...5 2131 CERAMIC 1500P K 50V C172 403 215 2231 CERAMIC 0 01U K 50V C174 403 157 1934 CERAMIC 10P D 50V C1902 403 050 2810 ELECT 22U M 50V 404 087 5406 ELECT 22U M 50V C201 403 086 2617 NP ELECT 1U M 50V...

Page 22: ...ELECT 2200U M 16V C644 403 046 1602 ELECT 3 3U M 25V 404 084 9100 ELECT 3 3U M 50V C651 404 074 9103 ELECT 220U M 160V C652 403 052 8523 ELECT 1000U M 35V 404 088 6709 ELECT 1000U M 35V C654 403 046...

Page 23: ...FA 1 16W R289 401 105 0425 MT GLAZE 100 JA 1 16W R291 401 068 2013 OXIDE MT 4 7 JA 2W R3401 401 105 2726 MT GLAZE 220 JA 1 16W R3402 401 105 2726 MT GLAZE 220 JA 1 16W R3406 401 105 0732 MT GLAZE 100...

Page 24: ...20 CARBON 100 JA 1 6W R869 401 024 6720 CARBON 100 JA 1 6W R870 401 105 2934 MT GLAZE 22K JA 1 16W R871 401 105 0633 MT GLAZE 10K JA 1 16W R872 401 105 3436 MT GLAZE 27K JA 1 16W R873 401 105 4235 MT...

Page 25: ...DIODE 1SS355 TE 17 D693 407 013 4326 DIODE 1S2076A TD 407 013 7109 DIODE 1S2473 407 012 4416 DIODE 1SS133 T 77 408 009 3204 DIODE 1N4148 TP D694 407 149 0817 DIODE 1SS355 TE 17 D801 407 206 5618 ZENE...

Page 26: ...06 ELECT 1U M 50V C751 403 044 1743 ELECT 470U M 16V 404 084 8301 ELECT 470U M 16V RESISTOR R701 401 105 2726 MT GLAZE 220 JA 1 16W R703 401 105 5222 MT GLAZE 470 JA 1 16W R704 401 065 4911 OXIDE MT 1...

Page 27: ...27...

Page 28: ...Nov 04...

Page 29: ...00030 2400030 2400030 2400030 2400010 4A250VTW 4A250VTS 4A250VT J20B00100 J20B0120J J20B00100 J20B0120J 275GM0 068XB 250GM0 068XBJ 250GM0 068XF 275GM0 068VB 1 2DJ220K X F1BAM0340 400KM1000LBZC 250KK10...

Page 30: ...5 J151 JP004 JP001 R042 L838 L837 L842 L841 JP501 R602 H5 R602 H6 R602 H7 R602 H8 JP488 JP487 JP486 C486A JW6 JW7 R650 JP476 R449A T471 H11 T471 H3 D650 K1002A C352 D639 R639 R487 R670 JP006 JP005 R04...

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