background image

IC

Pin

Volt.

Pin

Volt.

Pin

Volt.

Pin

Volt.

1

0

33

4.6

1

0

1

3.9

2

0

34

4

2

0

2

0.3

3

5

35

3.3

3

0

3

0

4

5

36

0

4

0

4

5.1

5

0

37

2.6

5

4.8

5

8.2

6

4.9

38

4.5

6

4.8

6

3.5

7

0

39

4.6

7

0

7

0

8

1.2

40

8.8

8

4.9

8

3.4

9

2

41

0

10

0.8

42

0

11

3.4

43

3.7

12

4.9

44

3.4

Pin

Volt.

13

5

45

0

1

3.5

14

3.4

46

4.9

2

25

15

0

47

4.6

3

2

16

3.4

48

8

4

0

17

2.9

49

0

5

12

18

5.6

50

8

6

25

19

0

51

3.5

7

3.5

20

2.9

52

3.2

21

2.8

53

3.2

22

5

54

2.3

23

0

55

4.6

Pin

Volt.

24

2

56

0

1

10.5

25

2.2

57

4.9

2

9.5

26

2

58

0.3

3

0.1

27

2.3

59

4.9

4

11.5

28

5.7

60

0

29

2.3

61

0

30

2

62

0

31

8.8

63

0

32

3.1

64

0

TRANSISTOR

Pin

Volt.

Pin

Volt.

Pin

Volt.

Pin

Volt.

Pin

Volt.

B

0

B

0.3

G

4.8

B

0.1

B

135

C

130

C

27

S

0.1

C

4.8

C

0

E

0

E

0

D

144

E

0

E

135

Pin

Volt.

Pin

Volt.

Pin

Volt.

Pin

Volt.

Pin

Volt.

B

4.9

B

0

B

6

B

5.9

B

135

C

0

C

0

C

9.5

C

7.3

C

135

E

4.8

E

0

E

5.5

E

0

E

135

Pin

Volt.

Pin

Volt.

Pin

Volt.

Pin

Volt.

Pin

Volt.

B

5

B

5.5

B

5.5

B

5.5

B

8.5

C

135

C

8.8

C

7.2

C

7.2

C

11.3

E

0

E

4.9

E

4.9

E

4.9

E

7.9

Pin

Volt.

Pin

Volt.

Pin

Volt.

Pin

Volt.

B

5.6

B

3.2

B

3.2

B

3.2

C

5

C

100.6

C

98.4

C

95.4

E

4.9

E

2.7

E

2.7

E

2.7

B

.......... BASE

G

.......... GATE

C

.......... COLLECTOR

S

.......... SOURCE

E

.......... EMITTER

D

.......... DRAIN

Q607

Q502

Q603

Q802

Q801

Q606

Q602

Q803

IC101

IC199

VOLTAGE LIST

Q503

Q401

Q402

Q501

IC401

IC1001

IC501

Q505

Q510

Q511

Q601

Q506

Q507

Q509

H-1

Summary of Contents for CT-Z1425

Page 1: ...Manual is designed for experienced repair technicians only and is not designed for use by the general public It does not contain warnings or cautions to advise non technical individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the product or pr...

Page 2: ...CAL ADJUSTMENTS 2 BASIC ADJUSTMENTS 3 PURITY AND CONVERGENCE ADJUSTMENTS 4 ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE WIRING CONNECTION BLOCK DIAGRAM PRINTED CIRCUIT BOARDS MAIN CRT SCHEMATIC DIAGRAMS MICON CHROMA TUNER TV POWER DEFLECTION CRT SOUND AV VOLTAGE LIST WAVEFORMS MECHANICAL EXPLODED VIEW MECHANICAL REPLACEMENT PARTS LIST ELECTRICAL REPLACEMENT PARTS LIST A1 1 A2 1 A2 2 A2 3 A2 4 A3 1 A...

Page 3: ...ician must thoroughly test the unit to ensure that is completely safe to operate Do not use a line isolation transformer when testing Leakage Current Cold Check Unplug the AC cord and connect a jumper between the two plug prongs Measure the resistance between the jumpered AC plug and expose metallic parts such as screwheads antenna terminals control shafts etc If the exposed metallic part has a re...

Page 4: ... 1 8 watt Standard capacitor may also be limited for the same reason It is recommended that identical components be used Chip resistor have a three digit numerical resistance code 1st and 2nd significant digits and a multiplier Example 162 1600 or 1 6k resistor 0 0 jumper Chip capacitors generally do not have the value indicated on the capacitor The color of the component indicates the general ran...

Page 5: ...ct voltages will be measured WARNING This Receiver has been designed to meet or exceed applicable safety and X ray radiation protection as specified by government agencies and independent testing laboratories To maintain original product safety design standards relative to X ray radiation and shock and fire hazard parts indicated with the symbol on the schematic must be replaced with identical par...

Page 6: ...standard solder Typically the melting point is 30 40 C higher Please use a high temperature soldering iron and set it to 350 5 C Pb free solder will tend to splash when heated too high about 1100 F or 600 C If you must use Pb solder please completely remove all of the Pb free solder on the pins or solder area before applying Pb solder If this is not practical be sure to heat the Pb free solder unt...

Page 7: ... CH Destination USA W CATV Tuning System F Synth Input Impedance VHF UHF 75 ohm 2 69 4A A 5 A 1 CH Coverage A I J W W 1 W 84 Intermediate Picture FP 45 75MHz Frequency Sound FS 41 25MHz FP FS 4 50MHz Preset CH No Stereo Dual TV Sound No Tuner Sound Muting Yes G 3 Power Power Source AC 120V AC 60Hz DC Power Consumption at AC 54 W at AC 120 V 60 Hz Stand by at AC 3 W at AC 120 V 60 Hz Per Year kWh Y...

Page 8: ...es Exit Yes CH Label No Favorite CH No Color Stream DVD DTV No Control Level Yes Sound Yes Brightness Yes Contrast Picture Yes Color Yes Tint Yes Sharpness Yes Tuning No Bass No Treble No Balance No Back Light No Stereo Audio Output SAP No Video Aux Yes Color Stream No Channel TV Cable Yes CH Label No Sound Mute Yes V chip Rating Yes G 8 OSD Language English French Spanish G 9 Clock and Sleep Time...

Page 9: ...View Yes Sleep No RE Call Call Yes Reset No Menu No Enter No Mute Yes Action Yes Exit No MTS Audio Select No Set No Set No G 11 Features Auto Degauss Yes Auto Shut Off Yes Canal No CATV Yes Anti theft No Rental No Memory Last CH Yes Memory Last Volume Yes V Chip Yes Type USA ORION Type BBE No Auto Search No CH Allocation No SAP No Just Clock Function No CH Label No VM Circuit No Full OSD No Premie...

Page 10: ... Left Yes ACTION Volume Up Volume Down Yes Rear AC DC No TV CATV Selector No Degauss No Main Power SW No Indicator Power No Stand by No On Timer No Terminals Front Video Input RCA Audio Input RCA x 1 Other Terminal Ear Phone Rear Video Input Rear1 No Video Input Rear2 No Audio Input Rear1 No Audio Input Rear2 No Video Output No Audio Output No Euro Scart No Color Stream No Diversity No Ext Speaker...

Page 11: ...l Cabinet Cabinet Front PS 94V0 NONDECABROM Cabinet Rear PS 94V0 NONDECABROM PCB Non Halogen Demand No Eyelet Demand Yes G 18 Environment Environmental standard requirement by buyer Green procurement of MATSUSHITA Pb free Phase3 Ph A3 5 ...

Page 12: ...n the direction of the arrow and remove one side of the support 2 DISASSEMBLY INSTRUCTIONS 3 After one side is removed pull in the opposite direction to remove the other NOTE Take care not to damage the Rubber Cap INSTALLATION 1 Clean the spot where the cap was located with a small amount of alcohol Location of Anode Cap NOTE Confirm that there is no dirt dust etc at the spot where the cap was loc...

Page 13: ...6 x 16 x 16 x thousands digit value 16 x 16 x hundreds digit value 16 x tens digit value ones digit value ADDRESS DATA INIT 00 50 CRT ON 0010 VOL MIN 0 Releasing of V CHIP PASSWORD WHEN REPLACING EEPROM MEMORY IC If a service repair is undertaken where it has been required to change the MEMORY IC the following steps should be taken to ensure correct data settings while making reference to TABLE 1 ...

Page 14: ...ontrol adjust the R BIAS Press the CH UP DOWN button on the remote control to select the R DRIVE B DRIVE G BIAS or B BIAS Using the VOL UP DOWN button on the remote control adjust the R DRIVE B DRIVE G BIAS or B BIAS Perform the above adjustments 6 and 7 until the white color is achieved 1 2 3 4 5 6 7 8 1 Synchro Scope 2 Digital Voltmeter On Screen Display Adjustment In the condition of NO indicat...

Page 15: ...remote control to select V SIZE Press the VOL UP DOWN button on the remote control until the SHIFT quantity of the OVER SCAN on upside and downside becomes 10 2 2 7 VERTICAL SHIFT RF 1 2 3 4 Receive the center cross signal from the Pattern Generator Using the adjustment control set the brightness and contrast to normal position Activate the adjustment mode display of Fig 1 1 and press the channel ...

Page 16: ...performing adjustments in section 3 1 1 2 3 4 5 Receive the green raster pattern from color bar generator Adjust the pair of purity magnets to center the color on the screen Adjust the pair of purity magnets so the color at the ends are equally wide Move the deflection yoke backward to neck side slowly and stop it at the position when the whole screen is green Confirm red and blue color Adjust the...

Page 17: ...RTS LOCATION GUIDE WIRING CONNECTION CD101A CP802A TU001 S501A S501B FB401 CD101B AC IN CP401 CP802B CP806 C P 8 0 3 B CP801 R 8 0 7 R 8 0 3 SPEAKER TP023 TP022 CRT PCB MAIN PCB GND CRT CD801 DEGAUSS COIL CP502 L503 C R T D Y D 4 CP803A J 8 0 1 CD501 ...

Page 18: ...PUMP UP AMP 7 5 3 6 V OUT IC IC401 AN5522 VCC RGB Proc 1 RGB MATRIX COLOR CONT ROM RAM 38 37 26 27 57 58 56 16 Hor Proc SYNC SEPA Hor VCO Hor COUNT DOWN AFC 1 H COINCIDENT AFC 2 H PHASE 1 J703 2 J702 2 DY D501 D504 RECTIFIER 3 1 4 2 L501 AC IN F501 Q507 FEED BACK T502 4 8 13 FEED BACK SW Q502 BUFFER Q501 POWER AMP 6 DEGAUSS COIL L503 6 5 MEMORY IC IC199 BR24L02F WE2 SDA SCL POWER VOL DOWN CH DOWN ...

Page 19: ...542 D503 D502 CP502 D408 D405 B504 B501 R 5 1 7 _ 1 D504 R422 D510 D513 D505 D506 R1007 D410 R410 AFC H S401 C123 OS101 J 8 0 1 COL B 8V ABL GND 25V 12V 180V HEATER FB401 R423 R538 D524 W003 Q801 Q803 D411 C434 C401 L401 W802 Q507 W035 R417 C516 R525 Q503 W049 C507 D514 R523 R527 R607 W037 D521 C622 W061 C610 W052 R530 Q511 W050 C617 W816 W028 R405 C809_1 D404 W007 W008 W029 D522 R001 R445 W042 R5...

Page 20: ...627 C604 C104 C102 I C 1 0 1 R702 R703 R128 R126 R101 R143 R1008 R420 R419 C501_2 C603 R104 C108_1 C107 C105 R102 R103 R533 R125 R535 R534 C113_1 R609 R115 C001 R1005 R1004 R122 R127 R116 R627 R124 R106 R105 R107 R108 R129 PRINTED CIRCUIT BOARDS MAIN CHIP MOUNTED PARTS SOLDER SIDE F 3 F 4 ...

Page 21: ...CT3R505 3 579545MHz CP601 A2001WR2 6P 1 2 3 4 5 6 L001 3 3uH 0305 Vout B GND OS101 RPM7137 WH5 1 2 3 TU001 ENG36A29GF 1 10 11 12 13 14 15 16 17 18 19 2 20 21 3 4 5 6 7 8 9 S803X P CON 5V P CON 5V H_OUT H_CTL ABCL CLAMP H_CTL G OUT R OUT H_SYNC STANDBY_H B OUT P CON B V_OUT GND V_FEEDBACK AT 5V ABCL H_OUT X RAY SDA R OUT SCL G OUT B OUT H_SYNC AFT UNREG 12V STANDBY_H KEY1 V_OUT POWER_FAIL UNREG 12V...

Page 22: ...2 0 001 500V B C510 0 1 F C501_2 0 0082 B C506 0 001 250V KX C507 10 100V MHE C526_1 220 200V YK C511 1 50V KA R533 1M R534 10K R530 270K 1 4W R523 47K 1 4W R527 5 6K 1 4W R535 10K R528 6 8K 1 4W R513 2 2K 1 4W R509 220 1 4W R515 120K 1 2W R512 680 1 4W R504 100 1 4W R505 1K 1 4W R500 2 7M 1 2W 10 R516 10K 1 4W R502 100 1 4W R538 1 5M 1 2W R506 2 7K 1 4W R519 1 2K 1 4W R507 27 1 4W R537 22K 1 2W R...

Page 23: ... 1 4W R420 2 7K R421 220K 1 4W R445 180K 1 4W R410 330 1 2W R415 1 8K 1 2W R816 330 1 4W R413 2 2K 1 2W R419 470 R418 22K 1 4W R446 470 1 2W R423 100 1 4W R424 470 1 4W R814 4 7K 1 4W R811 4 7K 1 4W R809 4 7K 1 4W R427 100 1 4W R405 1K 1 4W OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME DANS LA NOMENCLATURE DES PIECES N UTILISER QUE CELLS DEC...

Page 24: ... 1 4W R1008 39K R701 68 1 4W R704 10 1 2W R1007 47 1 2W R702 47K OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME DANS LA NOMENCLATURE DES PIECES N UTILISER QUE CELLS DECRITES DANGEREUSES AN POINT DE VUE SECURITE LES PIECES REPAREES PAR UN ETANT ATTENTION SINCE THESE PARTS MARKED BY CAUTION DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE O...

Page 25: ... 2 3 61 0 30 2 62 0 31 8 8 63 0 32 3 1 64 0 TRANSISTOR Pin Volt Pin Volt Pin Volt Pin Volt Pin Volt B 0 B 0 3 G 4 8 B 0 1 B 135 C 130 C 27 S 0 1 C 4 8 C 0 E 0 E 0 D 144 E 0 E 135 Pin Volt Pin Volt Pin Volt Pin Volt Pin Volt B 4 9 B 0 B 6 B 5 9 B 135 C 0 C 0 C 9 5 C 7 3 C 135 E 4 8 E 0 E 5 5 E 0 E 135 Pin Volt Pin Volt Pin Volt Pin Volt Pin Volt B 5 B 5 5 B 5 5 B 5 5 B 8 5 C 135 C 8 8 C 7 2 C 7 2 C...

Page 26: ...n the schematic diagram 2 20V 20µs div R611 3 200mV 20µs div IC101 PIN 46 H OUT 0 5V 5ms div IC101 PIN 38 V OUT 4 5 6 1V 20µs div IC101 PIN 51 G OUT DEFLECTION CRT 0 5V 5ms div R423 1V 20µs div IC101 PIN 50 R OUT 7 8 9 20V 20µs div T401 PIN 3 10 2V 20µs div T401 PIN 6 200V 20µs div Q401 Collector 11 10V 5ms div D403 12 10V 5ms div CP401 PIN 5 13 50V 20µs div R803 14 15 50V 20µs div R805 I 1 ...

Page 27: ...g waveforms were measured at the point of the corresponding balloon number in the schematic diagram 16 50V 20µs div R807 SOUND AV 0 5V 1ms div C1001 17 1V 1ms div IC1001 PIN 6 18 200mV 500µs div R703 19 20 500mV 20µs div R704 I 2 ...

Page 28: ...MECHANICAL EXPLODED VIEW J 1 102 105 PCB110 CRT PCB ASS Y 104 104 108 108 107 PCB010 MAIN PCB ASS Y 106 109 101A 101D 101B 103 101 101E 101F 101C ...

Page 29: ...A193 GUIDE REMOCON 101D 723576A004 BADGE BRAND 101E 735WPAA958 BUTTONN FRAME 101F 735WPAA959 BUTTON BASE 102 702WPAA857 CABINET BACK 103 723000C727 SHEET CAUTION 104 800WR0A011 SHEET CRT SUPPORT D 105 726000A091 SHEET CRT SERVICEMAN 106 800WQ0A064 FELT SHEET 107 741WUA0021 SPRING EARTH 108 769WSAA011 WASHER CRT T 1 109 899HV3T000 HOLDER ANODE WIRE J3M13301A INSTRUCTION BOOK K1 1 ...

Page 30: ... 2 7K OHM 1 2W R413 R002T2222J RC 2 2K OHM 1 2W R805 R3K581153J R METAL OXIDE 15K OHM 1W R415 R002T2182J RC 1 8K OHM 1 2W R806 R002T4272J RC 2 7K OHM 1 4W R416 R002T2010J RC 1 OHM 1 2W R807 R3K581153J R METAL OXIDE 15K OHM 1W R417 R002T4103J RC 10K OHM 1 4W R809 R002T4472J RC 4 7K OHM 1 4W R418 R002T4223J RC 22K OHM 1 4W R811 R002T4472J RC 4 7K OHM 1 4W R419 R803R9471J RC 470 OHM 1 16W R813 R002T4...

Page 31: ...612 E50HU5010M CE 1 UF 50V D705 D97U09R11B DIODE ZENER MTZJ9 1B T 77 C614 E50HU5010M CE 1 UF 50V ICS C615 E50HU5010M CE 1 UF 50V IC101 I56F07094B IC OEC7094B C616 E50HU5010M CE 1 UF 50V IC199 A3M133V015 INIT DATA BR24L02F WE2 C617 E02LU1101M CE 100 UF 10V IC401 I01TD55220 IC AN5522 C620 CQGTB0414K CC 0 01 UF 50V B IC501 0002E00610 PHOTO COUPLER LTV 817M VB C621 E02LU3470M CE 47 UF 25V IC1001 I01DP...

Page 32: ...2 6P CP801 069W010340 CONNECTOR PCB SIDE 131001101K1 CD101A 06CH013202 CORD CONNECTOR CH013202 CD101B 06CH013203 CORD CONNECTOR CH013203 F501 081PC04005 FUSE 51MS040L FB401 043214050F TRANSFORMER FLYBACK FNI14B002_M OS101 0773071005 REMOTE RECEIVER RPM7137 WH5 S101 WBL6026038 FLAT CABLE AWM2468 A WG26 4C BLACK 260MM S102 WCL6834038 FLAT CABLE AWM2468 A WG26 5C GRAY 340MM SP1001 070N533034 SPEAKER ...

Page 33: ...Printed in U S A ...

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