Zenith CM-150 Series Скачать руководство пользователя страница 25 | Manualshive

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CM150/PV150

3-3

GM CHASSIS

TROUBLESHOOTING

GM A Line Chassis Power Control

Projection

15VDVCNTL

15V SB

PW R CTRL

12V SW

37V SBY

PW R DD

GND

GND

1

8

8

1

<16.35V>

<0V>

<0V>

<39.5V>

Not Used

(15.9V)

(3.7V)

(11.8V)

(37.4V)

(28.8V)

<27V>

MAIN

MODULE

PW R SUPPLY

SW EEP

MODULE

2N3-2

3N2-2

3G2-2

2G3-3

HORZ DRV

VERT DRV

3.5V p-p or 1.5V rms

4.0V p-p or

< > = STBY ( ) = PW R ON

6A3

3A6

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Содержание CM-150 Series

Страница 1: ...vised Edition August 1999 Printed in U S A ZEN REV2 600 Model Series CONTENTS A50M84D A50M84W A50M84W1 A50M84W5 A50M84W9 A50M91D A50M91W A50M91W1 A50M91W5 A50M91W9 A56M91D A56M91W A56M91W1 A56M91W5 A5...

Страница 2: ...type capacitor between a known good earth ground water pipe conduit etc and the exposed metallic parts one at a time Measure the AC voltage across the combination of 1500 ohm resistor and 15 mfd capac...

Страница 3: ...deo processor turns off horizontal drive when its output is pulled high When the high voltage shutdown circuit is activated IC3200 is no longer supplied with 23 volts to its power input pin pin 4 beca...

Страница 4: ...t potentiometer or fixed resistors follow the following procedure A functional test of the high voltage shutdown circuit must be performed to check for proper operation if you service these sets in th...

Страница 5: ...1689 02 Single PIP 6 5 9 1689 Two Tuner Single PIP 6 6 9 1689 02 Two Tuner Single PIP PCB Layout 6 7 9 1783A IF Audio 6 8 9 1783A IF Stereo 6 9 9 1912 1913 1914 Small Signal Chassis 6 10 9 1912 1913 1...

Страница 6: ......

Страница 7: ...e is used in the GM Projo 84 Series The 9 1942 small signal modules are only used on GM Projo 91 Series The 9 1943 small signal modules are only used on GM Projo 98 Series All 9 1978 large signal modu...

Страница 8: ...pecial features on some TV s Remote Control Part Number 124 212 37 SURF Activates TV channel Surf feature POW ER Turn TV On or Off TV Selects TV operation MUTE Turns sound Off and On While picture rem...

Страница 9: ...n picture within large PIP frame Press a second time and receive PIP from another channel or source Press a third time to remove PIP QUIT Leaves programming menus and clears screen of displays and pro...

Страница 10: ...ING THE TRK4000 REMOTE 1 Select equipment needed to be programmed turn to page 2 5 to find the programming code appropriate for the type and brand of equipment Make sure the equipment is turned on 2 P...

Страница 11: ...RCA 215 216 220 227 240 242 244 260 Realistic 206 208 212 214 231 Samsung 220 230 238 Sansui 239 Sanyo 206 212 247 Scott 204 205 233 243 Sears 206 209 211 212 215 Sharp 208 261 272 Shintom 239 Signatu...

Страница 12: ...CM150 PV150 1 6 GM CHASSIS...

Страница 13: ...ogram is run it will automatically reset the manual BAND AFC selection Bright AUX and Bright RF Allows balance of AUX and RF viewed video brightness levels Chan Lock Locks set to one channel use only...

Страница 14: ...16 16 16 26 Sub Contrast Aux 16 16 16 16 16 27 Sub Contrast YUV 16 16 16 16 16 28 Sub Color Rf 10 10 10 10 10 29 Sub Color Aux 10 10 10 10 10 30 Sub Color YUV 10 10 10 10 10 31 Low Green Red Drive 10...

Страница 15: ...94 194 194 194 194 65 VSM Phase Gain 70 70 70 70 70 66 DC Restoration 0 0 0 0 0 67 Dynamic ABL Point Gain 2 2 2 2 2 68 ABL Point Gain 56 56 56 56 56 69 Horz Video Position 22 22 16 16 16 70 Vert Freq...

Страница 16: ...see the second set 4 After all the Green settings have been recorded press MUTE to access the Blue settings Repeat procedure and record all of the BLUE settings When BLUE is finished press SURF for RE...

Страница 17: ...be found on a label attached to the chassis Enter these settings in their appropriate locations in the Service Menu items 74 through 80 starting with the left most two digits for item 74 TYPICAL CHAS...

Страница 18: ...and Focus controls are located inside the back of the projo behind the blue CRT Vertical and horizontal size controls are located on the front of the power supply deflection module Step 2 G 2 Setup 1...

Страница 19: ...so press QUIT twice to exit the convergence setup mode without saving changes 4 Locate physical center of display screen 5 Look at horizontal line and adjust by loosening yoke clamp and rotating yoke...

Страница 20: ...0 MENU Blue Skew Bow Lin Key Pin Size In Pin S ing L Lin Mid Size DC Center N A N A In Lin D Key D Pin R Size N A W M R Edge N A N A Vert Horz Vert Horz MUTE 1 2 3 4 5 6 7 8 9 0 MENU N A N A N A Blue...

Страница 21: ...at least touch Focus Block Red G2 Green G2 Blue G2 Red Focus Green Focus Blue Focus SIZE IN PIN MID SIZE L LIN L EDGE S ING D KEY D KEY PIN PIN SIZE LIN LIN IN PIN MID SIZE BOW BOW 2 KEY KEY 4b 6a 5a...

Страница 22: ...CM150 PV150 2 10 GM CHASSIS...

Страница 23: ...r readings and oscilloscope observations for the active signal checks For most active signal checks and DC voltage measure ments use the right end of RX3401 in direct view products and the left end of...

Страница 24: ...ce Main Module Replace Main Module Check 6A3 Cable Then Replace Power Supply Replace Power Supply Sweep ON Conditions Power Supply H DRV QX3206 C 40V p p Sweep ON Conditions Power Supply 265VDC RX3277...

Страница 25: ...l Projection 15VDVCNTL 15V SB PW R CTRL 12V SW 37V SBY PW R DD GND GND 1 8 8 1 16 35V 0V 0V 39 5V Not Used 15 9V 3 7V 11 8V 37 4V 28 8V 27V MAIN MODULE PW R SUPPLY SW EEP MODULE 2N3 2 3N2 2 3G2 2 2G3...

Страница 26: ...er Supply Sweep ON Conditions Power Supply H DRV R3264 4V p p 1V AC Sweep ON Conditions Power Supply 250VDC RX3206 HV ON Conditions Power Supply Unplug 4F 250VDC RX3206 YES YES NO YES NO NO Check 2N3...

Страница 27: ...ce drive of Red and Blue This feature s horizontal and vertical settings must be centered before doing convergence alignment If you have changed a CRT the convergence module adjusted the mechanical fo...

Страница 28: ...hair test pattern is the best to use for yoke alignment The GM chassis convergence is controlled by the remote control To put the projection system into the conver gence mode press and hold the MENU...

Страница 29: ...iver and ad just static center convergence as follows a Adjust the 4 pole static control by moving the two tabs separately to converge the red and blue lines horizontally Move the two tabs together ar...

Страница 30: ...e picture tube and yoke will require vertical tilt in the opposite or up direction to obtain convergence In such cases insert the vertical tilt wedge at the bottom or 6 o clock position Follow through...

Страница 31: ...ENTS 2 Pole Yoke Assembly Convergence Yoke Assembly Video Module Assembly Coolant Assembly Replacement CRT Assembly Installed GM CRT Assembly Transfered Assemblies 2 Pole Yoke Assembly Convergence Yok...

Страница 32: ...1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2P6 4L8 8C3 2K6 6H9 6A3 9K3 9M4 2J3 8V4 1 1 IC850 IC800 IC4101 IC4102 IC4103 1 Q4105 Q4102 Q890 Q845 2G3 2C5 2N3 4X9 E C B C E B C B E IN IN OU...

Страница 33: ...17 D3205 DX3206 QX3410 QX3411 DX3002 C3422 DX3423 DX3009 D3220 QX3203 ZDX3004 E B C QX3204 D3221 ZD2100 E B C E B C Q2101 Q2102 IC2101 1 ZD3200 QX3201 C E B LX3263 LX3262 D3207 D3201 LX3201 D3273 D340...

Страница 34: ...E C B C E B C B E IN IN OUT OUT 8L4 D801 D4103 D4102 R811 R815 R812 R860 R861 R4108 W 12 W 43 5C2 C B E A B C D 1 6P2 G 2 Setup BLUE GRN RED SW 2 SW 1 NORM Disable NORM Shorting Jumper 1 2 3 4 5 6 2 3...

Страница 35: ...4 con2 con1 con3 con5 A 17821 03 Assembly 1 C Q3101 ICX3200 1 E B E B C E B C 1 1 G D S OUT IN G CR3215 CR3218 CR3217 CR3219 CR3402 CR3407 CR3418 S D G CR3411 QX3408 QX3404 Q3410 CR3488 IN G OUT A C C...

Страница 36: ...CM150 PV150 3 14 GM CHASSIS...

Страница 37: ...ROR MYLAR FIRST SURFACE A 17196 12 BLEEDER ASSY A 17552 LENS HOUSING ASSEMBLY DELTA 77 GREEN A 17552 04 LENS HOUSING ASSEMBLY DELTA 78 RED AND BLUE A 17649 49 LIQUID COUPLER ASSEMBLY GREEN A 17649 50...

Страница 38: ...ATION 009 01783A MODULE IF STEREO 009 01924 MODULE VIDEO 2H COMB FILTER 009 01932 MODULE MICRO AND PROM 009 01936 01 MODULE VIDEO OUTPUT GREEN 009 01937 01 MODULE VIDEO OUTPUT BLUE 009 01938 01 MODULE...

Страница 39: ...7552 LENS HOUSING ASSEMBLY DELTA 77 GREEN A 17552 04 LENS HOUSING ASSEMBLY DELTA 78 RED AND BLUE A 17649 58 LIQUID COUPLER ASSEMBLY GREEN A 17649 59 LIQUID COUPLER ASSEMBLY BLUE A 17649 60 LIQUID COUP...

Страница 40: ...OUTPUT BLUE 009 01938 01 MODULE VIDEO OUTPUT RED 009 01942 MODULE SMALL SIGNAL 009 01978 MODULE LARGE SIGNAL 012 09224 01 BRACKET IR SENSOR 014 12315 02 CABINET MAIN TV WOOD 046 10555 KNOB ARRAY PUSH...

Страница 41: ...MBLY GREEN A 17649 50 LIQUID COUPLER ASSEMBLY BLUE A 17649 51 LIQUID COUPLER ASSEMBLY RED A 17715 01 SHIELD ASSY PROTECTIVE BARRIER A 17821 05 PC DAUGHTER BOARD ASSY A 17869 INFRARED DETECTOR AMP ASSE...

Страница 42: ...9224 01 BRACKET IR SENSOR 014 12316 02 CABINET MAIN TV WOOD 046 10555 KNOB ARRAY PUSH BUTTON 10 POSITIONS STR 049 01257 08 SPEAKER OVAL 049 01364 SPEAKER ROUND 2 INCH PIEZO 057 09085 01 ESCUTCHEON OPT...

Страница 43: ...ACKPACK VIDEO AUDIO AND Y C A 18483 CRT ASSEMBLY WITH DEFLECTION YOKE A 18650 PC BOARD ASSY JACKPACK 22 JACK INTEQ RF SWITCH A 18682 POWER CORD ASSY F 53063 KEYBOARD ASSY 10 POSITION A 18650 PC BOARD...

Страница 44: ...01 MODULE VIDEO OUTPUT RED 009 01943 MODULE SMALL SIGNAL 009 01978 01 MODULE LARGE SIGNAL 012 09224 01 BRACKET IR SENSOR IQA56M98D 002 04091 CABINET BACK LOWER MOLDED PLASTIC 002 04094 CABINET BACK U...

Страница 45: ...AND BLUE A 17552 03 LENS AND HOUSING ASSEMBLY GREEN A 17649 49 LIQUID COUPLER ASSEMBLY GREEN A 17649 50 LIQUID COUPLER ASSEMBLY BLUE 014 12328 01 CABINET MAIN TV WOOD 024 03405 05 COVER JACK PANEL MOL...

Страница 46: ...TECTOR AND RETAINERS 60V A 18682 POWER CORD ASSY F 53287 KEYBOARD ASSY CUSTOMER CONTROLS IQA60M98W1 002 04079 03 CABINET BACK UPPER MOLDED PLASTIC 60V W AUDIO JACKS 002 04081 05 CABINET BACK LOWER MOL...

Страница 47: ...17552 LENS HOUSING ASSEMBLY DELTA 77 GREEN A 17552 04 LENS HOUSING ASSEMBLY DELTA 78 RED AND BLUE A 17649 52 LIQUID COUPLER ASSEMBLY GREEN 009 01936 01 MODULE VIDEO OUTPUT GREEN 009 01937 01 MODULE VI...

Страница 48: ...009 01932 MODULE MICRO AND PROM 009 01936 01 MODULE VIDEO OUTPUT GREEN 009 01937 01 MODULE VIDEO OUTPUT BLUE 009 01938 01 MODULE VIDEO OUTPUT RED A 17649 53 LIQUID COUPLER ASSEMBLY BLUE A 17649 54 LIQ...

Страница 49: ...JACK A 18682 POWER CORD ASSY F 53015 KEYBOARD ASSY CUSTOMER CONTROLS RA50M84W 002 04091 CABINET BACK LOWER MOLDED PLASTIC 002 04093 CABINET BACK UPPER MOLDED PLASTIC 50V 009 01650 02 MODULE SINGLE PIP...

Страница 50: ...PIEZO 057 09080 01 ESCUTCHEON OPTIC SCREEN 50V 095 04480 TRANSFORMER DEFLECTION YOKE 124 00212 37 SPACE COMMAND TRANSMITTER MBR3457 138 01946 01 CABINET GRILLE 192 00858 02 LENS PRIMARY CONTROLS AND...

Страница 51: ...1950 CABINET GRILLE 192 00858 02 LENS PRIMARY CONTROLS AND IR 192 00890 19 OPTIC FILTER SCREEN PROTECTOR 192 00891 02 SCREEN OPTICAL PROJECTION TV 56V 2MM 198 00035 MIRROR MYLAR FIRST SURFACE 56V A 17...

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