Orion 21MT9A Скачать руководство пользователя страница 21

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IC101

OEC6056A

MICON IC

12 13

15 16

17 18 19

20 21 22

CP101_1
8283_0612_00_000

IC102

S-24C08ADPA-01

MEMORY IC

5678

IC103 PST600C

RESET IC

TU001 TUWOF4EG-771F2

Q101

2SC2412K

V-BUFFER

Q102

2SC2412K

H-BUFFER

R137

22K

R136

22K

R112

22K

R129

2.2K

R121

3.3K

R122

3.3K

R120

R123

3.3K

R004

270

R002

68K

1/2W

R001

68K

1/2W

R003

270

R102

390

R103

820

R139

2.2K

R138

1.2K

R109

10K

R142 1.2K

R114

270

R143

4.7K

R127

R132

15K

R131

10K

R130

820

R133

10K

R134

10K

R128

33K

R111

4.7K

R107

100

R105

100

R145

R108

10K

R110

22K

R126

R101

2.2K

R124

100

R113

100

C119

100P

C007

0.01 B

C008

0.01 B

C104 12P CH

C121 27P CH

C114 22P CH

C108 0.1 B

C105 12P CH

C113

220P

C116

220P

C118

220P

C120

180P

C001

0.022

C107

0.01

C109

0.015

C124

220P

C112

0.01

C123

220P

D103

1SS133

D105

11E1N

D104

1S2472

C110

3300

6.3V

C111

50V

C002

1000

6.3V

L101

33uH

L001

10uH

0607

PH001

003P-2100

PH002

003P-2100

TP001

C003

4.7

50V

C101

100

6.3V

C103

50V

C125

470

6.3V

D001

HZ30-3L

D110

MTZJ5.6B

D109

MTZJ5.6B

W870

W869

W868

W818

W936

(W076)

D106

SLR-342VCT32

STAND BY

GND

B+

Vout

OS101

GP1U281Q

SW104

SKHVBED010

20 VOL DOWN

SW102

SKHVBED010

20 VOL UP

SW106

SKHVBED010

20 CH UP/14 DOWN

SW107

SKHVBED010

20 CH DOWN

X101_1

8MHz

THE DC VOLTAGE AT EACH PART WAS MEASURED

WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST

WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.

NOTE:

B101

BLM21A601SPT

OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE

NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME

BT002

R03(AB)E_20_T

BT001

R03(AB)E_20_T

TM101

SBER00192A

S902Y

ANT001

T4-216BP-BK

Q103

DTC114TKA

BUFFER

CAUTION: DIGITAL TRANSISTOR

FBT_5V

TUNER_AGC

TUNER_IF

AFT POWER_FAIL
SDA
SCL 130V

OSD-R POWER
OSD-G

AT+5.6V

OSD-B

GND

OSD-Y

AFC

T_TEXT_RESET

A_MUTE

FBT_5V

AT+5V

AV1

GND

AV2

OSD-R
OSD-G
OSD-B
OSD-Y

AFC

(MAIN PCB)

MICON/TUNER SCHEMATIC DIAGRAM

FROM IF/CHROMA/SOUND AMP

FROM/TO IF/CHROMA/SOUND AMP

G-2

G-1

FROM/TO POWER

FROM DEFLECTION/CRT

TO JACK

TEST POINT

PCB010
TM9430

T_RESET

A_MUTE

BLUE BACK H

DEGAUSS

AV1

AV2

ATS

KEY

AFT

FORTHED VCR V-SYNC

OSC IN

OSC OUT

TEST

XIN

XOUT

RESET

P_FAIL

REMORT

SOUND A

VSS

OSD G

OSD R

OSD B

12C OFF

SDA

PAL/SEC

VSS

VDD

34 SOUND B
35 SCL

44 POWER

21 OSD Y
22 H-SYNC

43 AKB WHITE

12 9V POWER
13 STAND BY LED
14 ON TIME LED

BTL

BPL

V.S

SDA

SCL

ADRES

AGC

NC NC NC NC

NC NC

MODE

SCL

VCC

VSS

SDA

V.OUT

VCC

GND

AFT

GND

AGC

YS MUTE

4.6 4.8 5.0 5.0 0.0 4.9 0.0 5.0 4.9 4.8 0.0

5.0

4.2

5.0

3.8

4.4

0.0

5.0

4.9

5.2

4.4 4.4 4.4 4.4 4.9

0.0

0.3

3.8

0.8

5.2

4.9

4.8

0.0

4.4

4.9

5.0 4.8 0.0

0.1

0.0

31.2

0.0

4.8

0.0

3.2

3.9

0.0

2.6

4.9 0.0 5.0

0.0

5.2

4.8

I2C_SCL

I2C_SDA

I2C_OFF

ACCESSORY

0.0

4.8

5.0

3.9

4.9

0.0

5.2

0.0

0.1

Содержание 21MT9A

Страница 1: ...SERVICE MANUAL Design and specifications are subject to change without notice 21MT9A COLOR TELEVISION RECEIVER ORIGINAL MFR S VERSION B ...

Страница 2: ... the circuit Repairing except indicates causes rising of high voltage and it emits an X ray from the cathode ray tube 7 PERFORM A SAFETY CHECK AFTER SERVICING Confirm that the screws parts and wiring which were removed in order to service are put in the original positions or whether there are the portions which are deteriorated around the serviced places serviced or not Check the insulation betwee...

Страница 3: ...COMPONENTS LOCATION GUIDE BLOCK DIAGRAM PRINTED CIRCUIT BOARDS MAIN CRT T TEXT FRONT AV JACK SCHEMATIC DIAGRAMS MICON TUNER IF CHROMA SOUND AMP SOUND POWER DEFLECTION CRT JACK VIDEO R G B SWITCH FRONT AV JACK T TEXT WAVEFORMS MECHANICAL EXPLODED VIEW MECHANICAL REPLACEMENT PARTS LIST ELECTRICAL REPLACEMENT PARTS LIST A2 1 A1 1 A1 1 A1 1 A1 1 A2 1 A3 1 A3 4 B 1 B 2 B 3 C 1 C 1 C 1 D1 1 D2 1 D3 1 E ...

Страница 4: ... 2 S1 S10 E5 E12 S11 S41 E21 E69 Tuning System Frequency syn Voltage syn Others G 8 Preset Channel 110 channels G 9 Intermediate Frequency Picture fP 38 90 MHz MHz MHz Sound fS 34 47 MHz MHz MHz fP fS 33 40 MHz MHz MHz G 10 Stereo Dual TV Sound Yes NICAM GERMAN USA JAPAN No G 11 Tuner Sound Muting Yes No G 12 Power Source 240 V AC 50Hz AC 60Hz G 13 Power Consumption 50 W at AC 240 V 50 Hz W at DC ...

Страница 5: ...nce Type Front Video Input RCA ø8 3 Front Audio Input RCA ø8 3 Rear Video Input RCA ø8 3 Rear Audio Input RCA ø8 3 Rear Video Output RCA ø8 3 Rear Audio Output RCA ø8 3 21 Pin x DC Jack Center Ear Phone Jack ø3 5 Head Phone Stereo Mono AC Outlet Ext Speaker Diversity S Input Front S Input Rear G 24 Indicator Power Stand By On Timer NONE Red G 25 Display On Screen Display Menu Clock Set 12H 24H Sys...

Страница 6: ...Corner 3 Edges 6 Surfaces Height 25cm 31cm 46cm 62cm 80cm Container Stuffing 304 Sets 40 container G 30 Accessories Owner s Manual W Guarantee Card English AC Plug Adapter Channel Film Battery UM 4 x 2 Remote Control Unit Safety Tip Toll Free Insert Sheet Guarantee Card Audio Video Cord RCA Registration Card Warning Sheet Quick Set Up Sheet Schematic Diagram Information Sheet U V Mixer 75 ohm Coax...

Страница 7: ...ct PAL SECAM 1 Time Set Volume Up 2 Mute Volume Down 3 CH Skip CH Call 4 CH1 CH2 CH Down 5 Channel CH Up 6 Text Mix TV CH Down Page Down 7 Display Cancel CH Up Page Up 8 Initial Page 9 Store Program 10 Reveal F T B 11 Sleep Hold 12 Skip List 1 Preset Rotate 2 5 5 6 5MHz Browse 0 10 Auto Memory Std Auto Tone 1 2 Auto Memory Info Call Band Select Mono Auto Reset Search TV Caption Text Menu Clock Pro...

Страница 8: ...lip up the sides of the Rubber Cap in the direction of the arrow and remove one side of the support Refer to Fig 1 2 2 DISASSEMBLY INSTRUCTIONS GND on the CRT Screwdriver Alligator Clip Support CRT GND on the CRT Rubber Cap CRT Support Fig 1 1 Fig 1 2 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 ...

Страница 9: ... a blower type IC desoldering machine Refer to Fig 2 2 2 Fig 2 2 NOTE Do not add the rotating and the back and forth directions force on the IC until IC can move back and forth easily after desoldering the IC leads completely When IC starts moving back and forth easily after desoldering completely pickup the corner of the IC using a tweezers and remove the IC by moving with the IC desoldering mach...

Страница 10: ...hin tip Soldering Iron NOTE When the IC leads are bent during soldering and or repairing do not repair the bending of leads If the bending of leads are repaired the pattern may be damaged So be always sure to replace the IC in this case Finally confirm the soldering status on four sides of the IC using a magnifying glass Confirm that no abnormality is found on the soldering position and installati...

Страница 11: ...git value 16 x 16 x hundreds digit value 16 x tens digit value ones digit value NOTE FOR THE REPLACING OF 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 Table 1 1 2 3 4 5 6 7 8 The unit will now have the correct DATA for the new MEMORY IC Enter DATA ...

Страница 12: ... and press the channel button 2 on the remote control to select AKB The Fig 2 3 appears on the display Press the channel button 2 on the remote control to select the R BIAS Using the VOL UP DOWN on the remote control adjust the R BIAS Press the CH UP DOWN button on the remote control to select the G BIAS B BIAS R DRIVE or B DRIVE Using the VOL UP DOWN button on the remote control adjust the G BIAS...

Страница 13: ...remote control to set to the AV mode Then perform the above adjustment 2 7 85 0 ELECTRICAL ADJUSTMENTS 2 8 CONTRAST 1 2 3 4 Receive the monoscope pattern Activate the adjustment mode display of Fig 2 1 and press the channel button 4 on the remote control to select PICTURE The Fig 2 4 appears on the display Press the channel button 2 on the remote control to select CONTRAST Press the VOL UP DOWN bu...

Страница 14: ...eo Input Press the AV button on the remote control to set to the AV mode Then perform the above adjustments 2 5 D1 3 TV OSD H B Fig 2 7 A 2 13 OSD HORIZONTAL 1 2 3 4 Using the remote control set the brightness and contrast to normal position Activate the adjustment mode display of Fig 2 1 and press the channel button 5 on the remote control to select OTHERS The Fig 2 2 appears on the display Press...

Страница 15: ...usting the pair of 6 pole magnets D2 1 Tighten the screw for the magnet Refer to the adjusted CRT for the position Refer to Fig 3 1 If the deflection yoke and magnet are in one body untighten the screw for the body Receive the green raster pattern from the color bar generator Slide the deflection yoke until it touches the funnel side of the CRT Adjust center of screen to green with red and blue on...

Страница 16: ...D3 1 MAJOR COMPONENTS LOCATION GUIDE TP501 TU001 CP101 IC201 CRT PCB MAIN PCB FOCUS VOLUME SCREEN VOLUME FB401 J753 J752 L204 TP202 VR501 TP801 TP802 J801 ...

Страница 17: ...IC IC401 LA7840 VIDEO SW IC IC701 NJM2245L 3 RESET IC IC103 PST600C 5V REG IC IC502 KIA7805API F502 T501 12 16 1 4 1 Q101 V BUFFER 10 HV F S FB401 FBT 1 4 CRT 3 9 7 R G B Heater F 8 4 3 5 6 3 1 5V REG IC IC402 KIA7805API 4 D501 D504 RECTIFIER L502 L501 1 3 2 TH501 AUTO DEGAUSS SW501 L503 DEGAUSS COIL 2 4 1 3 1 2 3 4 IN AC F501 POWER CONTROL IC IC501 TDA16846 13 27 42 RELAY SW Q505 SWITCHING Q501 Q...

Страница 18: ... D601 C774 C751 W018 C701 T401 C317 C520 C313_1 W166 C423 W132 W851 W036 W122 W871 D609 C203_1 C416 W051 C532 Q754 W089 W110 R206 R145 S803Y S803X HS401 Q401 B301 HS403 W186 S801Y IC502_1 C531 CP101_1 R511 L605 C656 S801X CC001 W094 W058 W188 W189 R427 W045 R524 R002 R001 W163 W055 W859 R417 W185 W113 W020 W007 C648_1 TP501 W048 W075 L001 L753 C002 C767 R419 D610 C614 R629 W135 C303 C609 W928 C618...

Страница 19: ...706 Q701 R711 C710 W124 R710 W819 R758 W129 W130 C522 C627 R709 C201 R209 R208 Q201 R216 W850 R636 R134 C645 R143 R616 R638 W156 R651 R652 R708 R601 Q302 R327 R133 R650 R637 Q607 Q103 R613 R204 C202 R654 R136 C124 C123 B101 C008 C007 R641 C655 R330 R331 R403 W808 C642 R131 R627 R305 W809 R631 C652 R132 W128 W120 W190 R225 C758 C719 R704 R350 W121 W900 W877 W197 C220 C762 W199 C639_1 W200 R226 R113...

Страница 20: ... R885 TE9A15A C876 R879 C881 C884 C880 C883 C879 C887 C864 C861 R851 R854 R853 R855 R857 R864 R865 W867 C886 W857 R867 W861 W859 W001 R871 C867 R881 R852 R880 Q852 R875 W868 W864 R870 C860 C858 W008 W870 TE9A15A PRINTED CIRCUIT BOARDS T TEXT INSERTED PARTS SOLDER SIDE T TEXT CHIP MOUNTED PARTS SOLDER SIDE F 5 F 6 J702 CD701 FRONT AV JACK SOLDER SIDE ...

Страница 21: ... SKHVBED010 20 CH UP 14 DOWN SW107 SKHVBED010 20 CH DOWN X101_1 8MHz THE DC VOLTAGE AT EACH PART WAS MEASURED WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL NOTE B101 BLM21A601SPT OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME BT002 R03 AB E_20_T BT001 R03 AB E_20_T TM101 SBER00192A S902Y...

Страница 22: ...1 50V KS C412 3 3 50V YK C632 1 50V KS C317 100 16V YK C620 470 6 3V YK D608 MTZJ8 2A D622 MTZJ5 6B D623 MTZJ5 6B D621 MTZJ5 6B W923 W926 W855 W871 W918 W921 W922 W893 W902 W810 W927 W896 W865 W928 W803 W812 W813 W849 W873 W802 W859 W900 CF202 MKT40 4MA110P X601 4 433619MHz THE DC VOLTAGE AT EACH PART WAS MEASURED WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST WAS RECEIVED IN GOOD CONDITION AND ...

Страница 23: ...710 0 022 B C712 10 50V KS W819 W877 THE DC VOLTAGE AT EACH PART WAS MEASURED WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL NOTE OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME S808X FBT_5V GND GND EXT_VIDEO_IN EXT_AUDIO_IN L SOUND_SP SOUND_SP TO JACK MAIN PCB G 6 G 5 FROM IF CHROMA SOUND...

Страница 24: ...16_1 820P 2KV YR C502 0 0022 250V KX C525 100P 250V KX C527 100P 250V KX C526 0 22 250V MMCA C514_1 330P 2KV YR C507 0 0022 2KV B C506 0 0022 2KV B C513 0 022 630V PP C512 0 015 M C522 0 01 B C529 470P 500V B C511 680P B C504 100P 500V B C510 0 0018 M C533 330P B C534 330P B C531 470P 2KV BN C515 330P 2KV BN D513 1SS133 C520 100 25V YK C503 100 25V YK C521 1 50V KS C505 100 400V USP C517 470 25V Y...

Страница 25: ...2W R407_2 2 7 1 4W R819 2 7K 1 4W R817 2 7K 1 4W R821 2 7K 1 4W C806_1 0 0022 2KV B C430_1 0 068 100V TF C435 0 047 100V TF C429 0 0022 B C401_1 0 001 2KV YR C437 0 39 250V ECWF C409 150P 500V B C444_1 820P 2KV YR C443 0 0047 1 6KV DKR C439 22P 500V SL C415 100P 500V SL C420 0 001 1KV B C804 470P B C807 470P B C810 470P B C820 0 001 B C423 0 015 M C440 470P 500V B C416 0 012 200V PP C802_1 100P B ...

Страница 26: ...16V KS C760 100 6 3V YK D702 MTZJ12B D701 MTZJ12B D754_1 MTZJ12B W851 W920 W858 W885 W933 W932 W938 W935 W112 W838 W839 THE DC VOLTAGE AT EACH PART WAS MEASURED WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL NOTE OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME S810Y S810X AV1 AV2 AV_VIDEO_...

Страница 27: ...TH THE DIGITAL TESTER WHEN THE COLOR BROADCAST WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL NOTE OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME TEXT R TEXT G TEXT B TEXT Y GND VIDEO_OUT 1 AV_VIDEO_1 A R A G A B A Y GND GND VIDEO R G B SWITCH SCHEMATIC DIAGRAM MAIN PCB FROM TO JACK FROM IF CHROMA SOUND AMP G 14 G 13 FROM TO IF CHROMA S...

Страница 28: ... E J702 LPR6520 7200C F_A V_IN MONO 1 2 3 4 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME GND GND A_IN_L GND V_IN FRONT AV JACK PCB G 16 G 15 FRONT AV JACK SCHEMATIC DIAGRAM NC NC V_IN A_IN PCB280 TE9A14A GND GND GND V_IN A_IN_L FROM TO SOUND ...

Страница 29: ...864 W868 W851 W870 W865 W858 W860 W853 W854 W857 W861 W859 W867 W863 X850 13875KHz THE DC VOLTAGE AT EACH PART WAS MEASURED WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL NOTE B850 LFP3A M3R2TA OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME FROM TO IF CHROMA SOUND AMP AV_VIDEO_2 30 SDA SC...

Страница 30: ...schematic diagram H 1 WAVEFORMS 1V 0 5ms div 9 4 200mV 20µs div 13 0 5V 20µs div 8 1V 20µs div 2 2V 500µs div 12 1V 20µs div 1V 20µs div 11 0 5V 20µs div 6 2V 500µs div 1 10 20V 20µs div 5 200mV 5ms div 7 0 5V 20µs div 14 MICON TUNER 3 1V 0 1µs div 2V 200 µs div 16 200mV 20µs div IF CHROMA SOUND AMP ...

Страница 31: ...number in the schematic diagram H 2 17 0 5V 5ms div 19 20V 5ms div 20 50V 20µs div WAVEFORMS 21 10V 20µs div 22 200V 20µs div 23 10V 5ms div 24 20V 5ms div 25 50KV 20µs div 26 50KV 20µs div 27 50KV 20µs div JACK 28 200mV 20µs div DEFLECTION CRT 29 0 2V 0 2ms div T TEXT 30 0 5V 20ms div ...

Страница 32: ...52 102 201 201 108 109 107 110 116 119 206 206 206 206 119 206 117 206 206 206 119 201 201 SW501 123 FB401 204 207 205 PCB010 MAIN PCB 122 204 114 204 TU001 204 207 PCB150 T TEXT PCB 121 120 203 203 115 111 112 113 124 111 111 111 V801 112 112 112 124 124 124 L503 J801 PCB110 CRT PCB 202 202 SP351 ...

Страница 33: ... 722202A514 SHEET RATING 118 761WPA0149 PLATE JACK 119 800WQ00023 FELT SHEET 15x100xT0 5 120 761WPA0122 HOLDER FBT 121 8995034000 CORD CLIP UL CO 122 752WSAA008 SHIELD CASE 123 752WSAA006 PLATE SHIELD 124 8111J50D04 SCREW TAPPING A GW22 5x40 201 8110630A04 SCREW TAP TITE P BRAZIER 3x10 202 8117330A04 SCREW TAPPING B0 FLAT 3x10 203 8110630804 SCREW TAP TITE P BRAZIER 3x8 204 8109I30A04 SCREW TAP TI...

Страница 34: ... CC 330 PF 2KV BP IC751 I03S071510 IC LA7151 C515 C034BN7L2K CC 330 PF 2KV BN IC850 ICKD001060 IC ET106 or C516 C0JLYR7W2K CC 820 PF 2KV YR or ICKD002060 IC ET206 C01BBP7W2K CC 820 PF 2KV BP IC851 ICKD003170 IC ET317 C519 E0ELFC101M CE 100 UF 200V TRANSISTORS C524 E62DFB470M CE 47 UF 160V Q101 T8YA2412K0 TRANSISTOR SILICON 2SC2412KT147 R S C525 CB3930M12K CC 100 PF 250V Q102 T8YA2412K0 TRANSISTOR ...

Страница 35: ...PACITOR PCB010 A3G818C010 PCB ASS Y TM9430A CMP METAL POLYESTER CAPACITOR PCB110 A3G818C110 PCB ASS Y TC9290A CMPL METAL PLASTIC CAPACITOR PCB150 A3G818C150 PCB ASS Y TE9A15A CMPP METAL POLYPROPYLENE CAPACITOR PCB280 A3G818C280 PCB ASS Y TE9A14A MISCELLANEOUS ANT001 125C108028 ANTENNA ROD T4 216BP BK B101 024AC3601C CORE BEADS BLM21A601SPT B301 024AT03481 CORE BEADS BL02RN1 R62T2 B401 024AT03655 C...

Страница 36: ...SPEC NO O R NO M3G8 18C W153018 ...

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