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Ref. No.

Part No.

Description

Code

Ref. No.

Part No.

Description

Code

14GT15
14GT20

S1004

QSW-K0077GEZZ

R Switch

S1005

QSW-K0077GEZZ

R Switch

MISCELLANEOUS PARTS

ACC701 QACCZ3008PEZZ

R AC Cord

F701

QFS-C3229CEZZ

R Fuse, T3.15A/250V

FB306

RBLN-0037CEZZ

R Balun

FB501

RBLN-0037CEZZ

R Balun

FB502

RBLN-0037CEZZ

R Balun

FB602

RBLN-0037CEZZ

R Balun

FB701

RBLN-0037CEZZ

R Balun

FB702

RBLN-0037CEZZ

R Balun

FB751

RBLN-0037CEZZ

R Balun

FB752

RBLN-0037CEZZ

R Balun

FH701 QFSHD1014CEZZ R Fuse Holder

FH702 QFSHD1013CEZZ R Fuse Holder

J402

QJAKE0158CEZZ

R Jack(14GT20)

J403

QJAKE0159CEZZ

R Jack(14GT20)

J405

QJAKH0011AJZZ

R Jack

P1001

QPLGN0541CEZZ R Plug

P1002

QPLGN0541CEZZ R Plug

P302

QPLGN0241CEZZ R Plug

P303

QPLGN0441CEZZ R Plug(14GT20)

P502

QPLGN0560CEZZ R Plug

P602

QPLGN0641CEZZ R Plug

P701

QPLGN0260CEZZ R Plug

P712

QPLGN0269GEZZ R Plug

RMC1001 RRMCU0235CEZZ R Remote Reciever

TP201

QLUGP0102PEZZ

R Lug

RDA300 PRDAR0142PEFW R Heat Sink, for IC301

RDA501 PRDAR0283PEFW R Heat Sink, for IC501

RDA700 PRDAR0260PEFW R Heat Sink, for IC701

RDA754 PRDAR0224PEFW R Heat Sink, for Q602

R701

VRW-KQ3NC3R9K R 3.9

Cement

R703

VRS-KT3LB473J

R 47k

Metal Oxide

R704

VRG-PD2HD150J

R 15

1/2W

Fuse Resistor

R705

VRD-RA2BE122J

R 1.2k

1/8W

Carbon

R706

VRD-RM2HD152J

R 1.5k

1/2W

Carbon

R707

VRS-KT3LB473J

R 47k

Metal Oxide

R708

VRD-RM2HD272J

R 2.7k

1/2W

Carbon

R709

VRD-RA2BE681J

R 680

1/8W

Carbon

R710

VRN-VV3ABR39J

R 0.39 1W

Metal Film

R711

VRN-VV3ABR33J

R 0.33 1W

Metal Film

R712

VRG-PD2HD4R7J

R 4.7

1/2W

Fuse Resistor

R717

VRD-RM2HD124J

R 120k 1/2W

Carbon

R718

VRD-RM2HD124J

R 120k 1/2W

Carbon

R719

VRC-UA2HG825K

R 8.2M 1/2W

Solid

R721

VRD-RA2BE393J

R 39k

1/8W

Carbon

R722

VRD-RM2HD124J

R 120k 1/2W

Carbon

R723

VRD-RA2BE684J

R 680k 1/8W

Carbon

R726

VRC-UA2HG825K

R 8.2M 1/2W

Solid

R750

VRD-RM2HD4R7J R 4.7

1/2W

Carbon

R758

VRD-RA2BE102J

R 1k

1/8W

Carbon

R760

VRD-RA2BE471J

R 470

1/8W

Carbon

R801

VRS-CY1JF101J

R 100

1/16W Metal Oxide

R802

VRS-CY1JF101J

R 100

1/16W Metal Oxide

R803

VRS-CY1JF101J

R 100

1/16W Metal Oxide

R804

VRS-CY1JF101J

R 100

1/16W Metal Oxide

R805

VRS-CY1JF822J

R 8.2k

1/16W Metal Oxide

R806

VRD-RA2BE123J

R 12k

1/8W

Carbon

R807

VRS-CY1JF103J

R 10k

1/16W Metal Oxide

R808

VRS-CY1JF221J

R 220

1/16W Metal Oxide

R809

VRD-RA2BE224J

R 220k 1/8W

Carbon

R812

VRS-CY1JF101J

R 100

1/16W Metal Oxide

R813

VRS-CY1JF221J

R 220

1/16W Metal Oxide

R1001

VRD-RA2BE221J

R 220

1/8W

Carbon

R1002

VRS-CY1JF331J

R 330

1/16W Metal Oxide

R1003

VRS-CY1JF471J

R 470

1/16W Metal Oxide

R1004

VRS-CY1JF821J

R 820

1/16W Metal Oxide

R1005

VRD-RA2BE181J

R 180

1/8W

Carbon

R1011

VRS-CY1JF820J

R 82

1/16W Metal Oxide

R1012

VRS-CY1JF391J

R 390

1/16W Metal Oxide

R1014

VRD-RA2BE101J

R 100

1/8W

Carbon

R1015

VRS-CY1JF332J

R 3.3k

1/16W Metal Oxide

R1016

VRD-RA2BE101J

R 100

1/8W

Carbon

R1017

VRS-CY1JF332J

R 3.3k

1/16W Metal Oxide

R1019

VRS-CY1JF472J

R 4.7k

1/16W Metal Oxide

R1020

VRD-RA2BE101J

R 100

1/8W

Carbon

R1021

VRS-CY1JF153J

R 15k

1/16W Metal Oxide

R1022

VRD-RA2BE101J

R 100

1/8W

Carbon

R1023

VRS-CY1JF101J

R 100

1/16W Metal Oxide

R1024

VRS-CY1JF122J

R 1.2k

1/16W Metal Oxide

R1025

VRS-CY1JF101J

R 100

1/16W Metal Oxide

R1026

VRS-CY1JF224J

R 220k 1/16W Metal Oxide

R1027

VRD-RA2BE101J

R 100

1/8W

Carbon

R1028

VRD-RA2BE101J

R 100

1/8W

Carbon

R1030

VRS-CY1JF102J

R 1k

1/16W Metal Oxide

R1031

VRD-RA2BE562J

R 5.6k

1/8W

Carbon

R1032

VRS-CY1JF332J

R 3.3k

1/16W Metal Oxide

R1034

VRD-RA2BE101J

R 100

1/8W

Carbon

R1035

VRS-CY1JF332J

R 3.3k

1/16W Metal Oxide

R1036

VRS-CY1JF332J

R 3.3k

1/16W Metal Oxide

R1037

VRD-RA2BE101J

R 100

1/8W

Carbon

R1038

VRD-RA2BE101J

R 100

1/8W

Carbon

R1039

VRS-CY1JF223J

R 22k

1/16W Metal Oxide

R1040

VRS-CY1JF101J

R 100

1/16W Metal Oxide

R1041

VRS-CY1JF101J

R 100

1/16W Metal Oxide

R1043

VRS-CY1JF153J

R 15k

1/16W Metal Oxide

R1044

VRS-CY1JF153J

R 15k

1/16W Metal Oxide

R1045

VRD-RA2BE271J

R 270

1/8W

Carbon

R1046

VRD-RA2BE101J

R 100

1/8W

Carbon

R1065

VRS-CY1JF101J

R 100

1/16W Metal Oxide

SWITCH

S701

QSW-P0591CEZZ

R Switch

S1001

QSW-K0077GEZZ

R Switch

S1002

QSW-K0077GEZZ

R Switch

S1003

QSW-K0077GEZZ

R Switch

PWB-B

DUNTK9990WET2/T3
CRT SOCKET UNIT

TRANSISTORS

Q870

VSBF422////-1

R BF422

Q871

VSBF422////-1

R BF422

Q872

VSBF422////-1

R BF422

Q883

VSBF421////-1

R BF421

Q885

VSBF421////-1

R BF421

Q887

VSBF421////-1

R BF421

DIODES

D811

VHD1SS119//-1

R 1SS119

D812

VHD1SS119//-1

R 1SS119

D880

VHD1SS119//-1

R 1SS119

D881

VHD1SS119//-1

R 1SS119

D882

VHD1SS119//-1

R 1SS119

D883

VHD1SS82///1A

R 1SS82

D884

VHD1SS82///1A

R 1SS82

D885

VHD1SS82///1A

R 1SS82

D886

VHD1SS82///1A

R 1SS82

D887

VHD1SS82///1A

R 1SS82

D888

VHD1SS82///1A

R 1SS82

CAPACITORS

C871

VCKYPA1HB471K

R 470p

50V

Ceramic

C872

VCKYPA1HB471K

R 470p

50V

Ceramic

C873

VCKYPA1HB471K

R 470p

50V

Ceramic

C880

VCKYPA1HB471K

R 470p

50V

Ceramic

C881

VCKYPA1HB471K

R 470p

50V

Ceramic

C882

VCKYPA1HB471K

R 470p

50V

Ceramic

C875

VCKYPA2HB102K

R 1000p 500V Ceramic

C876

RC-KZ0150CEZZ

R 1000p 3kV

Ceramic

C878

VCEAGA2EW106M R 10

250V Electrolytic

RESISTORS

R879

VRD-RA2BE471J

R 470

1/8W

Carbon

R880

VRD-RA2BE471J

R 470

1/8W

Carbon

Содержание 14GT15

Страница 1: ...ish Thai OSD WARNING The chassis in this receiver is partially hot Use an isolation transformer between the line cord plug and power receptacle when servicing this chassis To prevent electric shock do not remove cover No user serviceable parts inside Refer servicing to qualified service personnel SPECIFICATIONS 2 IMPORTANT SERVICE NOTES 3 ADJUSTMENT PRECAUTIONS 4 TROUBLE SHOOTING TABLE 27 SOLID ST...

Страница 2: ...100 240V AC 50 60 Hz Power Consumption 65W Audio Power Output Rating 3 0W at Max Speaker Size 5 x 9 cm Elliptic 1pc Voice Coil Impedance 16 ohms at 400 Hz Aerial Input Impedance VHF UHF 75 ohms Unbalanced Receiving Channel PAL B G VHF Channels E2 48 25MHz thru E12 224 25MHz UHF Channels E21 471 25MHz thru E69 855 25MHz Dimensions Width 351 0mm Height 361 0mm Depth 359 0mm Weight approx 9 2 kg Cabi...

Страница 3: ...exposure at close range the followin precautions should be observed 1 When repairing the circuit be sure not to increase the high voltage to more than 25 8kV at beam 0 µA for the set 2 To keep the set in a normal opeartion be sure to make it function on 22 8kV 1 5kV at beam 800 µA in the case of the set The set has been factory Adjusted to the above mentioned high voltage If there is a possibility...

Страница 4: ... controller the data can be modified 5 Short JA 122 JA 124 for 1 second and release to switch to the normal mode OFF position and the microprocessor is in out of the service mode 2 Factory Presetting 1 Short JA 122 JA 124 for 1 second and release to switch to the service mode position and turn on the main power switch Initial values are automatically preset only when a new EEPROM is used Judge wit...

Страница 5: ... W P BLUE COOL W P DRI BC W P RED WARM W P DRI RW W P GREEN WARM W P DRI GW W P BLUE WARM W P DRI BW SUB ADJ MODE MAX VOLUME SUB VOL SUB CONTRAST SUB CON SUB COLOUR SUB COL SUB BRIGHTNESS SUB BRI SUB TINT SUB TINT SUB SHARPNESS SUB SHP MAX HOTEL VOLUME HTL VOL HOTEL PROGRAM NO HTL PRG OSD GRB REFERENCE RGB BLACK LEVEL OFFSET R CUT R BLACK LEVEL OFFSET G CUT G CATHODE DRIVE LEVEL CDL FORWARD CH DOW...

Страница 6: ...CAL GUARD EVG EHT TRACKING MODE EHT OVERSCAN SWITCH OFF OSO AUTO COLOUR LIMIT ACL FORCED COLOUR LIMIT FCO MISC OPTION MODE SOUND SYSTEM M S M SOUND SYSTEM DK S DK SOUND SYSTEM I S I SOUND SYSTEM BG S BG PLAYBACK SECAM P SECAM FE RF NTSC 3 58 F N358 FE RF NTSC 4 43 F N443 FE RF SECAM F SECAM VIDEO MUTE AT IDENT LOSS VMI VIDEO MUTE AT PROGRAM SOURCE CHANGE VMC HOTEL MODE HTL REDUCED FM DEMODULATION ...

Страница 7: ... CENT SHARPNESS DOWN EW SYSTEM HB BLUEBACK S COR TIMER SUB VOL CONTRAST UP SUB CON COLOUR UP SUB COL BRIGHTNESS UP SUB BRI TINT UP TINT SUB TINT SHARPNESS UP SUB SHP CHANNEL 1 DRI GS CHANNEL 4 DRI BS CHANNEL 7 CUT R CHANNEL FLASH BACK CUT G USER DATA IN SERVICE MODE The flow of Mode lists as following Direct Key in Step1 Mode ...

Страница 8: ... VOL 0 63 32 ADJ HOTEL PROGRAM NUMBER HTL PRG 0 99 OR 99FOR NONE 255 FIX OSD GRB REFERENCE RGB 0 15 15 FIX BLACK LEVEL OFF SET R CUT R 0 15 8 FIX BLACK LEVEL OFF SET G CUT G 0 15 8 FIX CATHODE DRIVE LEVEL CDL 0 15 0 FIX Y DELAY TIME FOR PAL TV YD DL PT 0 15 12 FIX Y DELAY TIME FOR SECAM TV YD DL ST 0 15 15 FIX Y DELAY TIME FOR N358 TV YD DL 3T 0 15 12 FIX Y DELAY TIME FOR N443 TV YD DL 4T 0 15 12 ...

Страница 9: ... DISABLE 1 ENABLE 0 FIX REDUCED FM DEMODULATOR GAIN FOR BTSC SIGNAL BTSC 0 DISABLE 1 ENABLE 0 FIX NUMBER OF EXTERNAL AV SOURCE AV 0 FOR1 AV 1 FOR 2AV 1 FIX 2 FM WINDOW SELECTION FMWS 0 DISABLE 1 ENABLE 0 FIX SOUND MUTE BIT 0 SM0 0 DISABLE 1 ENABLE 1 FIX SOUND MUTE BIT 1 SM1 0 DISABLE 1 ENABLE 0 FIX THAI LANGUAGE THA 0 DISABLE 1 ENABLE 0 FIX 3 ARABIC LANGUAGE ARA 0 DISABLE 1 ENABLE 1 FIX 4 MALAY LA...

Страница 10: ...1 DIGIT 1 C SYSTEM AUTO S SYSTEM B G SKIP OFF AFC ON VOLUME 1 CONTRAST 60 MAX COLOUR 0 CENTER BRIGHTNESS 0 CENTER TINT 0 CENTER SHARPNESS 0 CENTER WHITE TEMP STANDARD REMINDER TIMER In active ON TIMER In active OFF TIMER In active LAST POWER POWER ON LANGUAGE ENGLISH BLUE BACK MUTE OFF HOTEL MODE OFF 0 CHANNEL SKIP ON AFTER PRESSING MODEL SETTING 0 CHANNEL WILL BE SKIPPED ...

Страница 11: ...in position during this adjustment RF AGC TAKE OVER POINT AD JUSTMENT I2 C BUS CONTROL 1 Receive PAL COLOUR BAR signal Signal Strength 57 1 dBµV 75 ohm open 2 Connect the oscilloscope to TP201 Tuner sAGC Terminal as shown in Fig 3 3 Call AGC mode in service mode Adjust the AGC bus data to obtain the Tuner output pin drop 0 1V below maximum voltage 4 Change the antenna input signal to 63 67dBµV and...

Страница 12: ...n Fig 4 1 through the microscope Adjust the landing to the A rank requirements 4 Orient the raster rotation to 0 eastward 5 Tighten up the deflection coil screws Tightening torque 108 20 N 11 2 kgf 6 Make sure the CRT corners landing meet the A rank requirements If not stick the magnet sheet to correct it Note This adjustment must be done after warming up the unit for 30 minutes or longer with a b...

Страница 13: ...eps a Fig 5 1 Drive the wedge at point a and swing the deflection coil upward b Fig 5 2 Drive the wedge at points b and c and swing the deflection coil downward c Fig 5 3 Drive the c wedge deeper and swing the deflection coil rightward d Fig 5 4 Drive the b wedge deeper and swing the deflection coil leftward 2 Fix all the wedges on the CRT and apply glass tape over them 3 Apply lacquer to the defl...

Страница 14: ... Picture NORMAL condition 3 Connect the DC miliammeter between TP602 and TP603 4 Check Beam current should be around 800 µA 5 Set it to service mode and adjust the WPG WhitePoint G WPB White Point B data to have a colour temperature of 12 300 K white Note 6 Receive WHITE pattern with BURST signal and set Brightness Y by generator to 10cd m2 Minolta CA 100 by reducing Luminate Y signal 7 Adjust CUT...

Страница 15: ...ment Spec 9 5 range 1 0 FIXED DATA NO NEED TO ADJUST 1 Call the H CENT mode 2 Increase or decrease H CENT by Volume key to center the picture horizontal 1 Call the SUB SHP mode 2 Set SUB SHP to 20 by pressing volume down button 1 2 3 4 5 PAL CHROMA ADJUSTMENT No Adjusting point Adjusting procedure conditions Waveform and others SUB COLOUR I2 C BUS CONTROL 1 Receive the PAL Colour Bar signal 2 Pres...

Страница 16: ...o D607 cathode R606 side 3 Set voltage of Bias Box to 18V and make sure the protector is not work 4 Set voltage of Bias Box to 27V and make sure the protector is work 2 Other protectors 1 Once finish rectified Electrolytic Capacitor short testing in B line check all possible damaged components on B line Use random selected set for inspection 3 PROTECTOR OPERATION CHECKING No Adjusting point Adjust...

Страница 17: ...UP for GREEN direction and DOWN for PURPLE di rection whether is OK or not 4 SHARPNESS Key 1 Receive Monoscope Pattern signal 2 Set P mode to select SHARPNESS 3 Press Volume Up Down key to check whether the SHARPNESS effect is OK or not 5 WHITE TEMP 1 Receive Monoscope Pattern signal 2 Set FUNCTION to select WHITE TEMP 3 Press Volume Up Down key to check WHITE TEMP Option STANDARD NORMAL SETTING W...

Страница 18: ...so that it is working properly 9 SOUND SYSTEM 10 1 Receive PAL B G signal and check the sound output is working properly or not 1 Receive PAL COLOUR BAR signal 2 Turn up the volume control to maximum make sure the sound is heard from the speakers Then put the unit in no signal state 3 Check the sound mute is effective 4 Finally turn sound level of CTV to minimum NOISE MUTE CHECKING 11 OSD LAN GUAG...

Страница 19: ...DARD 20 00 3F 19 DRIVER R WARM 20 00 3F 1A DRIVER G WARM 20 00 3F 1B DRIVER B WARM 20 00 3F 1C DRIVER R COOL 19 00 3F 1D DRIVER G COOL 20 00 3F 1E DRIVER G COOL 20 00 3F 1F 20 21 22 SUB VOLUME 3F 00 3F 23 SUB CONTRAST 3F 00 3F 24 SUB COLOUR 20 00 3F 25 SUB BRIGHTNESS 20 00 3F 26 SUB TINT 20 00 3F 27 SUB SHARPNESS 20 00 3F 28 HTL VOLUME 20 00 3F 29 HTL POSITION FF 00 3F 2A 2B 2C 2D OSD ENCEREFER 20...

Страница 20: ...16 SKIP 17 SKIP 18 SKIP 19 SKIP 20 SKIP 21 SKIP 22 SKIP 23 00 00 FF 65 SKIP 24 SKIP 25 SKIP 26 SKIP 27 SKIP 28 SKIP 29 SKIP 30 SKIP 31 00 00 FF 66 SKIP 32 SKIP 33 SKIP 34 SKIP 35 SKIP 36 SKIP 37 SKIP 38 SKIP 39 00 00 FF 67 SKIP 40 SKIP 41 SKIP 42 SKIP 43 SKIP 44 SKIP 45 SKIP 46 SKIP 47 00 00 FF 68 SKIP 48 SKIP 49 SKIP 50 SKIP 51 SKIP 52 SKIP 53 SKIP 54 SKIP 55 00 00 FF 69 SKIP 56 SKIP 57 SKIP 58 S...

Страница 21: ...NING FREQUENCY LOWER PART 9A S SYS AFT auto C SYS 9B TUNING FREQUENCY HIGHER PART POS 13 9C TUNING FREQUENCY LOWER PART 9D S SYS AFT auto C SYS 9E TUNING FREQUENCY HIGHER PART POS 14 9F TUNING FREQUENCY LOWER PART A0 S SYS AFT auto C SYS A1 TUNING FREQUENCY HIGHER PART POS 15 A2 TUNING FREQUENCY LOWER PART A3 S SYS AFT auto C SYS A4 TUNING FREQUENCY HIGHER PART POS 16 A5 TUNING FREQUENCY LOWER PAR...

Страница 22: ...NING FREQUENCY LOWER PART D9 S SYS AFT auto C SYS DA TUNING FREQUENCY HIGHER PART POS 34 DB TUNING FREQUENCY LOWER PART DC S SYS AFT auto C SYS DD TUNING FREQUENCY HIGHER PART POS 35 DE TUNING FREQUENCY LOWER PART DF S SYS AFT auto C SYS E0 TUNING FREQUENCY HIGHER PART POS 36 E1 TUNING FREQUENCY LOWER PART E2 S SYS AFT auto C SYS E3 TUNING FREQUENCY HIGHER PART POS 37 E4 TUNING FREQUENCY LOWER PAR...

Страница 23: ...GHER PART POS 55 11A TUNING FREQUENCY LOWER PART 11B S SYS AFT auto C SYS 11C TUNING FREQUENCY HIGHER PART POS 56 11D TUNING FREQUENCY LOWER PART 11E S SYS AFT auto C SYS 11F TUNING FREQUENCY HIGHER PART POS 57 120 TUNING FREQUENCY LOWER PART 121 S SYS AFT auto C SYS 122 TUNING FREQUENCY HIGHER PART POS 58 123 TUNING FREQUENCY LOWER PART 124 S SYS AFT auto C SYS 125 TUNING FREQUENCY HIGHER PART PO...

Страница 24: ...OS 76 159 TUNING FREQUENCY LOWER PART 15A S SYS AFT auto C SYS 15B TUNING FREQUENCY HIGHER PART POS 77 15C TUNING FREQUENCY LOWER PART 15D S SYS AFT auto C SYS 15E TUNING FREQUENCY HIGHER PART POS 78 15F TUNING FREQUENCY LOWER PART 160 S SYS AFT auto C SYS 161 TUNING FREQUENCY HIGHER PART POS 79 162 TUNING FREQUENCY LOWER PART 163 S SYS AFT auto C SYS 164 TUNING FREQUENCY HIGHER PART POS 80 165 TU...

Страница 25: ...REQUENCY LOWER PART 18D S SYS AFT auto C SYS 18E TUNING FREQUENCY HIGHER PART POS 94 18F TUNING FREQUENCY LOWER PART 190 S SYS AFT auto C SYS 191 TUNING FREQUENCY HIGHER PART POS 95 192 TUNING FREQUENCY LOWER PART 193 S SYS AFT auto C SYS 194 TUNING FREQUENCY HIGHER PART POS 96 195 TUNING FREQUENCY LOWER PART 196 S SYS AFT auto C SYS 197 TUNING FREQUENCY HIGHER PART POS 97 198 TUNING FREQUENCY LOW...

Страница 26: ...U CHECKDATA CHECKTYPE CHECKDATA CHECKTYPE SETTINGDATA MODEL MODEL LETTER NO LETTER NO 1C0 1C1 1C2 1C3 1C4 1C5 1C6 1C7 1C8 1C9 1CA 1CB 1CC 1CD 1CE 1CF 1D0 1D1 1D2 1D3 1D4 1D5 1D6 1D7 1D8 1D9 1DA 1DB 1DC 1DD 1DE 1DF 1E0 1E1 1E2 1E3 1E4 1E5 1E6 1E7 1E8 1E9 1EA 1EB 1EC 1ED 1EE 1EF 1F0 1F1 1F2 1F3 1F4 1F5 1F6 1F7 1F8 1F9 1FA 1FB 1FC 1FD 1FE 1FF ...

Страница 27: ...Check IC751 and IC801 D1001 Power LED Red turns on or turns ON OFF Check T701 pin 7 voltage Approx 310V at 220V AC Check F701 Check Secondary Main B Pin 17 of T701 voltage Approx 115V Check CRT connector K1 K5 bias Check C878 Check IC801 Checking the protector circuit Check R618 and R615 D1001 Power LED Green turns on Check D758 IC702 and IC753 Check R701 R707 and D709 ...

Страница 28: ... 1 of SF201 and Tuner related circuit Check pin 37 of IC801 and related circuit CheckIC801 Check C356 and peripheral circuit Check pin 27 of IC801 Tuner and related circuit Check pin 38 of IC801 Does the noise level increase at max Contrast Brightness and Sound controls CIRCUITS TO BE CHECKED Tuner PIF Automatic Gain Control 5V 32V Power Source CIRCUITS TO BE CHECKED Sound system pins 28 and 44 of...

Страница 29: ...N CIRCUIT TO BE CHECKED Sync Separator Circuit NO VERTICAL SCAN Vertical linearity and size is abnormal Check pins 16 17 and 34 of IC801 DEFECTIVE VERTICAL AMP AND VERTICAL LINEARITY Readjust vertical size Bas Data Check IC501 Check C503 and C507 Check IC501 Check R504 R503 R506 R513 C517 and D501 ...

Страница 30: ...balance The picture colour is yellow The picture colour is magenta The picture colour is cyan Check Q871 Q883 and their adjacent circuits Check Q870 Q885 and their adjacent circuits Check Q872 Q887 and their adjacent circuits Check IC801 and bias control circuit NO SPECIFIC COLOUR PAL NO COLOUR SYNCHRONIZATION Check IC801 R801 R802 R803 D804 D805 D806 and Q801 Check X1001 12MHz ...

Страница 31: ...TTER B C E KA7808 KA7805 1 2 3 ANODE RED CATHODE COMMON ANODE GREEN 1 2 3 1 3 SE115N STRF6653 TDA7056A PX0423CE 2SD1877 1 12 2R BG COLLECTOR COLLECTOR BASE EMITTER 2SC2735 JC COLLECTOR BASE EMITTER BASE EMITTER 1 8 LA7016 1 3 1 5 TA48M033 1 3 5 7 2 4 6 8 9 TDA8357 iX3368CEN0 64 33 1 32 SOLID STATE DEVICE BASE DIAGRAM SIDE VIEW TOP VIEW ...

Страница 32: ...32 14GT15 14GT20 1 2 3 4 5 6 7 8 9 10 A B C D E F G H I J MODEL 14GT15 CHASSIS LAYOUT ...

Страница 33: ...33 14GT15 14GT20 1 2 3 4 5 6 7 8 9 10 A B C D E F G H I J MODEL 14GT20 CHASSIS LAYOUT ...

Страница 34: ...34 14GT15 14GT20 WAVEFORMS ...

Страница 35: ...IS DIRECTLY CONNECTED WITH AC MAINS VOLTAGE WHEN SERVICINGTHEAREA CONNECTAN ISOLATING TRANS FORMER BETWEEN TV RECEIVER AND AC LINE TO ELIMINATE HAZARD OF ELECTRIC SHOCK NOTES 1 The unit of resistance ohm is omitted K 1000 ohms M Mega ohm 2 All resistors are 1 8 watt unless otherwise noted 3 All capacitors are µF unless otherwise noted P µµF VOLTAGE MEASUREMENT CONDITIONS 1 Voltages in parenthesis ...

Страница 36: ...36 14GT15 14GT20 1 2 3 4 5 6 7 8 9 10 A B C D E F G H I J RRMCG0025KJSA Infrared Remote Control Unit Note The parts here shown are supplied as an assembly but not independently ...

Страница 37: ...12 472B R311 10k C212 0 9p 0 1 C261 102B L207 D203 IT402 R207 33k C211 24p 3 C122 102B C151 102B J301 0 C214 105p D109 IT402 C118 1p CH 0 1p D108 IT407 R144 47k C310 103B J302 0 C301 103B C353 102 R147 100 T301 R306 2k C119 103B D107 HSC277 L114 D301 1SS355 R117 47k R113 10k R120 10 L115 C120 103B C127 102B R303 220 R302 220 R301 220 C3 2000p C4 22p C5 22p AS SDA SCL 5V MB C9 2000p C7 2000p C6 200...

Страница 38: ...otel mode it is better to choose ch 1 set s vol level Up to 75 full scale After set hotel mode starting channel will be always ch 1 maximum sound level out will be set the half of full scale If you set hotel mode in AV starting channel will be the last ch which you received before power off same as normal operation HOTEL ON PASSWORD Set vol up down by R C key Input 1 3 7 9 by R C key 1 Ch 1 is you...

Страница 39: ...39 14GT15 14GT20 1 2 3 4 5 6 7 8 9 10 A B C D E F G H I J SCHEMATIC DIAGRAM MODEL 14GT20 HEAD PHONE Unit CRT SOCKET Unit ...

Страница 40: ...41 14GT15 14GT20 40 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 C DIAGRAM MODEL 14GT15 MAIN Unit ...

Страница 41: ...43 14GT15 14GT20 42 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 C DIAGRAM MODEL 14GT20 MAIN Unit ...

Страница 42: ...45 14GT15 14GT20 44 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 AGRAM 1 3 M0DEL 14GT15 MAIN BLOCK ...

Страница 43: ...47 14GT15 14GT20 46 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 AGRAM 2 3 M0DEL 14GT20 MAIN BLOCK ...

Страница 44: ...48 14GT15 14GT20 1 2 3 4 5 6 7 8 9 10 A B C D E F G H I J BLOCK DIAGRAM 3 3 MODEL 14GT20 HEAD PHONE BLOCK CRT BLOCK ...

Страница 45: ...49 14GT15 14GT20 1 2 3 4 5 6 7 8 9 10 A B C D E F G H I J PRINTED WIRING BOARD ASSEMBLIES PWB B CRT Socket Unit Wiring Side PWB C HEAD PHOME Unit MODEL 14GT20 Wiring Side Component Side ...

Страница 46: ...51 14GT15 14GT20 50 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Unit Wiring Side ...

Страница 47: ...53 14GT15 14GT20 52 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Unit Component Side ...

Страница 48: ...AR 1 R 2SD601AR AC Q205 VS2SC1815GW 1 R 2SC1815GW 1 AB Q301 VS2SD601AR 1 R 2SD601AR AC Q302 VS2SD601AR 1 R 2SD601AR AC Q305 VS2SD601AR 1 R 2SD601AR AC Q601 VS2SC2482 1 R 2SC2482 AD Q602 VS2SD1877 1E R 2SD1877 AL Q603 VS2SD601AR 1 R 2SD601AR AC Q801 VS2SB709AR 1 R 2SB709AR AC Q802 VS2SB709AR 1 R 2SB709AR AC Q1003 VS2SD601AR 1 R 2SD601AR AC Q1010 VS2SD601AR 1 R 2SD601AR AC DIODES D201 RH EX0676GEZZ ...

Страница 49: ...ylar AC å C701 RC FZ008SGEZZ R 0 1 AC250V M Polypro AD C702 RC KZ0160GEZZ R 0 01 250V Ceramic AC C703 RC KZ0160GEZZ R 0 01 250V Ceramic AC C704 VCKYPA2HB102K R 1000p 500V Ceramic AA C705 VCKYPA2HB102K R 1000p 500V Ceramic AA C707 RC EZ1044CEZZ R 150 400V Electrolytic AM C708 RC KZ0160GEZZ R 0 01 250V Ceramic AC C709 VCQYTA1HM471J R 470p 50V Mylar AB C711 RC KZ0039CEZZ R 680p 2kV Ceramic AB D804 VH...

Страница 50: ...22k 1 16W Metal Oxide AA R637 VRD RM2HD820J R 82 1 2W Carbon AA R638 VRS CY1JF333J R 33k 1 16W Metal Oxide AA C712 VCQYTA1HM102J R 1000p 50V Mylar AA C713 RC KZ007JCEZZ R 0 01 250V Ceramic AC C714 VCKYPH3DB561K R 560p 2000V Ceramic AC C715 VCKYPA2HB102K R 1000p 500V Ceramic AA C717 VCQYTA1HM182J R 1800p 50V Mylar AA C718 VCEAGA2AW475M R 4 7 100V Electrolytic AB C719 VCEA9M1HW226M R 22 50V Electrol...

Страница 51: ... Carbon AA R1002 VRS CY1JF331J R 330 1 16W Metal Oxide AA R1003 VRS CY1JF471J R 470 1 16W Metal Oxide AA R1004 VRS CY1JF821J R 820 1 16W Metal Oxide AA R1005 VRD RA2BE181J R 180 1 8W Carbon AA R1011 VRS CY1JF820J R 82 1 16W Metal Oxide AA R1012 VRS CY1JF391J R 390 1 16W Metal Oxide AA R1014 VRD RA2BE101J R 100 1 8W Carbon AB R1015 VRS CY1JF332J R 3 3k 1 16W Metal Oxide AA R1016 VRD RA2BE101J R 100...

Страница 52: ... QSOCV0842CEZZ R CRT Socket AH RESISTORS R354 VRS CY1JF471J R 470 1 16W Metal Oxide AA R355 VRS CY1JF471J R 470 1 16W Metal Oxide AA MISCELLANEOUS PARTS J351 QJAKJ0047CEZZ R Jack AD P351 QPLGN0441CEZZ R Plug AB PWB C DUNTK9989WET0 14GT20 HEAD PHONE UNIT MISCELLANEOUS PARTS QANTR0018PEZZ R Rod Antenna AQ SP301 RSP Z0005KJZZ Speaker QCNW 2377PEZZ R Connecting Cord AE QCNW 2378PEZZ R Connecting Cord ...

Страница 53: ...1 5 JBTN 0044KJSA Button Power 1 6 MSPRC0021KJFW Spring Power Button 1 7 HDECQ0040KJSA AV Cover 2 GCABB0055KJKA Rear Cabinet 1 2 1 1 1 6 1 5 1 4 1 3 1 2 1 2 1 1 1 6 1 5 1 4 1 3 1 2 1 7 1 CCABA0080WEA0 Front Cabinet Ass y 1 1 Not Available Front Cabinet 1 2 HBDGB0001KJSA R Badge SHARP AE 1 3 JBTN 0043KJSA Button Control 1 4 HDECQ0038KJSA LED RC Cover 1 5 JBTN 0044KJSA Button Power 1 6 MSPRC0021KJFW...

Страница 54: ...is publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher SHARP CORPORATION AV Systems Group Quality Reliability Control Center Yaita Tochigi 329 2193 Japan TQ0866 S Mar 2000 Printed in Japan NA KY ...

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