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Panasonic CT-1388YD, Service Manual

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Panasonic CT-1388YD Service Manual Download Page 8

- 8 -

Location of controls (receiver)

Quick reference control operation

Quick reference

control operation

POWER button - Press to turn ON or OFF.

VOLUME buttons - Press to adjust sound level, or to adjust audio menus, video
menus, and select operating features when menus are displayed

CHANNEL buttons - Press to select programmed channels. Press to highlight desired
features when menus are displayed. Also use to select cable converter box channels
after programming remote control infra-red codes (the TV/AUX/CABLE switch must be
set in CABLE position).

ACTION button - Press to display main menu and access on screen feature and
adjustment menus.

TV/VIDEO button - Press to select TV or Video Input.

1

2

4

5

3

Remote Control

Sensor

(Actual appearance

may vary)

HPJ & A/V

Jacks

POWER

VOLUME

CHANNEL

ACTION

TV/VIDEO

Figure 2. Location of controls (receiver) -- CT-2789VYDE.

1

2

3

4

5

Summary of Contents for CT-1388YD

Page 1: ...on 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 products dealt with in this Service Manual by anyone else could result in serious injury or death Chassis CT 1388YD JP358 CT 1389VYD KP358 CT 2088YD VP360 CT 2089V...

Page 2: ... ray radiation as well as implosion The magnetic shield limits the X ray radiation around the bell of the picture tube in addition to the restricting magnetic effects When using a picture tube test jig for service ensure that the jig is capable of handling 35kV without causing X ray radiation Before returning a serviced receiver to the owner the service technician must thoroughly test the unit to ...

Page 3: ...nt 29 Horizontal centering 29 Vertical size 29 MTS circuit adjustments 29 Input level adjustment stereo models only 29 Stereo separation adjustment stereo models only 30 Clock adjustment 30 Service adjustments mechanical controls 30 Focus part of T551 30 Audio signal path block diagram 31 Video signal path block diagram 32 Parts list 33 A Board layout 47 A Board schematic left CT 1388YD 48 A Board...

Page 4: ...solder flows Do not apply heat for more than 3 seconds How to replace flat IC Required Tools 1 Cut the pins of the defective IC with the wire cutters pliers and remove it completely away from the board If the IC is glued to the board apply hot air to complete the removal CAUTION Do not pull or twist the pliers may damage the soldering pads in the board 2 Using the soldering Iron and the long nose ...

Page 5: ...e the Receiver is returned to the customer If voltage is out of tolerance immediate service and correction is required to insure safe operation and to prevent the possibility of premature component failure Equipment needed to check the protection circuit 1 Isolator transformer 2 High voltage meter 3 Short jumper 4 Diode connection jumper Use similar diode than D823 refer to parts list for part No ...

Page 6: ... x 2 10 1 5W x 2 10 1 5W x 2 10 No of speakers 1 1 1 1 AI sound n a n a n a n a Video in rear 3 BNC 3 BNC 3 BNC 3 BNC Audio in rear 3 RCA 3 RCA 3 RCA 3 RCA Video program out 3 BNC 3 BNC 3 BNC 3 BNC Audio program out 3 RCA 3 RCA 3 RCA 3 RCA S VHS input output 1 1 1 1 1 1 1 1 EPJ HPJ MISC EPJ EPJ n a n a Dimensions mm WxDxH in 359 2 x 395 x 337 3 14 1 x 15 6 x 13 3 359 2 x 395 x 337 3 14 1 x 15 6 x ...

Page 7: ... audio power 3 5W x 2 10 3 5W x 2 10 No of speakers 2 2 AI sound n a X Video in rear 1 BNC 1 BNC Audio in rear 1 Set stereo RCA 1 Set stereo RCA Video program out 1 BNC 1 BNC Audio program out 1 Set stereo RCA 1 Set stereo RCA S VHS input output 1 1 1 1 EPJ HPJ MISC n a n a Dimensions mm WxDxH in 731 x 684 x 614 28 8 x 26 9 x 24 2 731 x 684 x 614 28 8 x 26 9 x 24 2 Weight kg lbs 35 77 2 35 77 2 An...

Page 8: ...s Press to highlight desired features when menus are displayed Also use to select cable converter box channels after programming remote control infra red codes the TV AUX CABLE switch must be set in CABLE position ACTION button Press to display main menu and access on screen feature and adjustment menus TV VIDEO button Press to select TV or Video Input 1 2 4 5 3 Remote Control Sensor Actual appear...

Page 9: ...ess to adjust TV sound level Use with channel buttons to navigate in menus CHANNEL buttons Press to select channels Use with volume buttons to navigate in menus ACTION button Press to display main menu and access or exit on screen features and adjustment menus Keypad buttons Press desired channel number to randomly access any channel R TUNE rapid tune button Press to switch to the previous channel...

Page 10: ...e chassis rail on the cabinet then place the main chassis be sure is in the rails at both sides then push all the way to the front Figure 4 Chassis rail detail C Board CRT output Plugs into the socket on the CRT neck To release the focus wire use a flat tool to release the tab in the socket see Fig 5 A pull the wire look up and remove the wire by pulling away the socket B To re insert close the wi...

Page 11: ...ve Coil cut the plastic ties 4 plastic ties are included in the degaussing coil installation kit refer to parts list for correct part No To re mount place the two smaller plastic ties in the upper corners holding the Coil use the two bigger plastic ties to hold the Coil to the lower corners Confirm the Coil is tense and fasten to the CRT body To remove and remount the dag ground braid a Unhook the...

Page 12: ... disassembly Figure 7 Back cover removal 20 tuner model 2 screw at the top edge 1 screw in each lower corner 6 screw by the A V board IMPORTANT After servicing the receiver remember to dress the cables a shown above ...

Page 13: ...o inputs may vary according to the model Anode HIGH VOLTAGE CRT by 4 screws on corners Secured to cabinet DY Deflection yoke CY Convergence yoke Degaussing coil Speakers secured by screws A Board Main chassis Tuner S VHS In Out A V jacks Chassis rail some models C Board CRT panel Flyback Dag ground Yoke wedge ...

Page 14: ...model IC451 Vertical out IC003 Remote sensor MPU VCJ IC001 IC050 HALF TONE CRT Socket GROUND Q351 Q352 Q353 IC002 EEPROM IC552 5V REG IC551 9V REG IC801 VCO H OUT RELAY RL801 RED OUT GREEN OUT BLUE OUT TNR001 TUNER IC2302 AUDIO AMP L F801 FUSE 6 3A 125 250V D801 Rect bridge ...

Page 15: ...AC line input Set the bright and the picture to minimum by using the picture menu Use cold ground for the lead of the DVM Adjust picture menu for normalized video adjustments High voltage check 1 Select an active TV channel and confirm that horizontal is in sync 2 Adjust brightness and picture using picture icon menu so video just disappears 3 Confirm B 130V is within limit 4 Using a high voltage ...

Page 16: ...lection yoke back and forth on the neck of the CRT until it produces a near white uniform raster Vertical raster shift adjustment only for models with purity convergence assembly with 4 pairs of rings Apply a green pattern with a horizontal line adjust the deflection yoke so that has no tilt then secure it Adjust center line of the pattern with the mechanical center of the CRT this center is deter...

Page 17: ...ntil purity check white screen appears Observe the screen for uniform white If purity has not been achieved repeat the above procedure Final convergence procedure see Fig 17 through see Fig 19 Note Vertical size and focus adjustments must be completed prior to performing the convergence adjustment Connect a dot pattern generator to the receiver The Brightness level should not be higher than necess...

Page 18: ... As the yoke is tilted horizontally one raster gets larger while the other gets smaller Figure 18 Horizontal yoke movement 11 o clock position Double sided adhesive tape 3 o clock Position 7 o clock Position Converges R B with G Converges R with B purity convergence assembly clamp purity rings adj on green raster Static convergence magnets Yoke positioning wedges for dynamic convergence Figure 19 ...

Page 19: ...s the VOL button decrease on receiver Red CHK appears in upper corner 7 Press the power button on the remote control to select one of service adjustment modes 1 B Service VCJ SUB DATA adjustments 2 C Service VCJ CUT OFF adjustments 3 S Service OPTIONS PICTURE adjustments 4 M Service MTS adjustments 5 P Service VCJ adjustments 6 X Service AFC adjustments 7 CHK Normal operation of CHANNEL and VOLUME...

Page 20: ...0 255 1 255 0 255 C02 CUT OFF B 0 255 1 255 0 255 C03 DRIVE R 0 127 80 C04 DRIVE B 0 127 80 C05 DRIVE G 0 127 80 C06 VERTICAL SIZE 0 255 127 C07 NOT USED N A N A C08 NOT USED N A N A C09 HORIZONTAL CENTER 0 31 16 C0A BEAM LIMIT 0 1 1 C0B HHS 0 7 0 C0C OSD SHIFT FIXED 88 C0D ACL REF FIXED 74 C0E ACL REF FIXED 64 C0F ACL REF FIXED 48 1 Press channel Up Down on the remote control to select one of the...

Page 21: ...R FIXED 3 C1E ACC THRESH FIXED 17 C1F ACC OFF FIXED 7 C20 MUTE TIME FIXED 11 MTS Adjustment Adj Range Default Level M00 INPUT LEVEL 0 63 33 M01 HIGH LEVEL SEPARATION 0 63 25 M02 LOW LEVEL SEPARATION 0 15 6 M03 AGC FIXED 0 OPTIONS PICTURE Adjustment Adj Range Default Level S00 SHARPNESS PW FIXED 3 S01 SHARPNESS OW FIXED 3 S02 HALFTONE FIXED 0 S03 TV C FIXED 0 S04 TV Y FIXED 0 S05 GAMMA FIXED 13 S06...

Page 22: ...LER TIME FIXED 5 S16 NOISE KILLER FIXED 50 S17 HV TIMING FIXED 2 VCJ Adjustment Adj Range Default Level P00 FORCE BS FIXED 1 P01 DET ON OFF FIXED 1 P02 ROM SEL FIXED 3 P03 ROM CURVE FIXED 2 P04 BS ON OFF FIXED 1 P05 BS TIME CONST FIXED 5 P06 TH V FIXED 4 P07 TH F1 FIXED 129 P08 TH F1 FIXED 1 P09 TH OFF1 FIXED 35 P0A TH F2 FIXED 99 P0B TH F2 FIXED 1 P0C TH OFF2 FIXED 30 P0D TH F3 FIXED 80 P0E TH F3...

Page 23: ...P15 CURVE3 FIXED 3 P16 RATIO1 FIXED 0 P17 RATIO2 FIXED 2 P18 RATIO3 FIXED 3 VCJ Adjustment Adj Range Default Level To Item P00 CH To B Items CH Note Some adjustments modes may not be available in some models depending on available options IMPORTANT NOTE Always exit the service mode following adjustments ...

Page 24: ...CREEN RED SCREEN GREEN SCREEN BLUE SCREEN JUMPER IN AG CONNECTOR RECALL REMOVE JUMPER FROM AG CONNECTOR RECALL Figure 21 Purity Check Field Mode Helpful Hints Entering service mode back open method all models 1 While the receiver is ON and operating in normal mode momentarily short test point FA1 TP8 to Cold Ground FA2 TP3 A Board The receiver enters the aging mode Yellow letters CHK appear in the...

Page 25: ...Customer Controls are set to nominal level SUB DATA ADJUSTMENTS B ITEMS A QUICK ENTRY TO SERVICE MODE Select CABLE Mode Set SLEEP time for 30 Min Tune to channel 124 Adjust Volume to minimum Press VOL DOWN On Receiver CH CH EXIT EXIT Figure 22 Flow chart for serviceman mode N Y N Y N Y B IMPORTANT NOTE Always exit the service mode following adjustments ON REMOTE RECALL POWER ON REMOTE USE VOL TO S...

Page 26: ... ITEMS MTS CIRCUIT ADJUSTMENTS VCJ ADJUSTMENTS P ITEMS ON REMOTE CH CH P ITEMS VCJ ON REMOTE CH CH X ITEMS AFC ADJUSTMENTS Figure 23 Flow chart for serviceman mode Continued USE VOL TO SET THE VALUE USE VOL TO SET THE VALUE USE VOL TO SET THE VALUE ACTION VOLUME to AGING Mode ACTION POWER to RESET TV No remote models CH up down on TV No remote models POWER on TV No remote models CH up down on TV N...

Page 27: ...l connections from chassis Sub Brightness Service DAC B02 Due to the characteristics of this chassis Sub Brightness adjustment is no required To obtain a good brightness level in the picture set the service register to the default level 127 Perform final Sub brightness adjustment only if prefer different level of brightness in the picture Tint Color adjustment Service DACs B01 B00 Preparation 1 Ap...

Page 28: ...ut Off C02 register press R Tune to close the vertical and see the yellow line for models with no remote press ACTION on TV when DAC is displayed on screen Increase C02 volume until line just becomes white mixing green red and blue 12 Press R Tune to open the vertical for models with no remote press ACTION on TV when DAC is displayed on screen 13 Confirm that a good gray scale is established by vi...

Page 29: ...ld be same than B Figure 29 Horizontal centering 2 Exit service mode Vertical size Service DAC C06 Preparation Connect a monoscope pattern Procedure 1 In the service mode select vertical size adjustment DAC C06 and adjust until obtain a perfect round picture Upper and lower section of the pattern may go out of the visible are Figure 30 Vertical size 2 Exit the service mode MTS circuit adjustments ...

Page 30: ... above steps 2 through 5 until the amplitude is at minimum for both signals 7 Exit Service Mode Turn off the set Remove all connections from chassis Clock adjustment Service DAC X03 Preparation Connect the frequency counter from TP5 TPs port close to tuner to cold ground Note Frequency Counter probe capacitance should be 8pF or less Procedure 1 Measure TP5 for the frequency of the waveform and rec...

Page 31: ...signal path block diagram Figure 33 Audio signal block diagram A BOARD G BOARD X BOARD TUNER IC3001 VIDEO SW MONITOR OUT Q3002 Q3005 IC2201 IC2321 AUDIO IN AUDIO OUT IC2302 IC2301 R L IC001 ON OFF VOL L OUT R OUT ...

Page 32: ...am A BOARD G BOARD H BOARD X BOARD C BOARD TUNER IC3001 VIDEO SW Q3004 Q321 Q322 IC001 V IN V OUT MONITOR OUT S VIDEO IN S VIDEO IN Q053 Q054 Q055 FB OUT Q050 Q051 Q052 Q006 Q007 Q008 Q354 Q355 Q356 Q354 Q355 Q356 CRT G OSD B OSD R OSD R OUT G OUT B OUT R OUT G OUT B OUT ...

Page 33: ...J2VB1C104K CAP C 1UF K 16V C047 TCJ2VC1H220J CAP C 22PF J 50V C048 TCJ2VC1H220J CAP C 22PF J 50V C050 ECA1CM101B CAP E 100UF 16V C051 TCJ2VF1H104Z CAP C 1UF Z 50V C055 TCJ2VC1H560J CAP C 56PF J 50V CT 1389VYD CT 2089VYD CT 2789VYD C103 ECA0JM331B CAP E 330UF 6 3V C104 TCJ2VF1H103Z CAP C 01UF Z 50V C105 ECA0JM101B CAP E 100UF 6 3V C201 TCJ2VB1H332K CAP C 0033UF K 50V CT 1389VYD CT 2089VYD C350 ECA1...

Page 34: ... 50V C810 ECKR1H471KB5 CAP C 470PF K 50V C812 ECQU2A224MVA CAP P 22UF M 250VAC C813 ECQU2A153MVA CAP P 015UF M 250VAC C814 ECQU2A153MVA CAP P 015UF M 250VAC REF NO PART NO DESCRIPTION C820 ECA1CM101B CAP E 100UF 16V C821 TCJ2VF1H103Z CAP C 01UF Z 50V C822 ECKR3A221KBP CAP C 220PF K 1KV C823 ECA1HM471B CAP E 470UF 50V C824 ECKR3A471KBP CAP C 470PF K 1KV C825 EEUMG2C221S CAP E 220UF 160V C826 ECKR3A...

Page 35: ...CT 1388YD CT 1389VYD CT 2088YD CT 2089VYD CT 2789VYD C3023 ECA1HM010B CAP E 1UF 50V CT 2789VYD C3024 ECEA1HN010UB CAP E 1UF 50V CT 2789VYD C3025 ECEA1CN470UE CAP E 47UF 16V CT 1389VYD CT 2089VYD CT 2789VYD C3026 ECA1CM100B CAP E 10UF 16V C3027 TCJ2VF1H103Z CAP C 01UF Z 50V CT 1388YD CT 1389VYD CT 2088YD CT 2089VYD CT 2789VYD REF NO PART NO DESCRIPTION C3028 ECA1CM100B CAP E 10UF 16V CT 1388YD CT 1...

Page 36: ... ZENER CT 1388YD CT 1389VYD CT 2088YD CT 2089VYD D3097 MA4110MTA DIODE ZENER CT 1388YD CT 1389VYD CT 2088YD CT 2089VYD D3098 MA4110MTA DIODE ZENER CT 2789VYD D3099 MA4110MTA DIODE ZENER CT 2789VYD D3200 MA4120TA DIODE ZENER REF NO PART NO DESCRIPTION D3201 MA4120TA DIODE ZENER CT 1388YD CT 1389VYD CT 2088YD CT 2089VYD D3202 MA4120TA DIODE ZENER CT 1388YD CT 1389VYD CT 2088YD CT 2089VYD D3203 MA311...

Page 37: ...AKING 2 2UH L108 EXCELSA35V FERRITE BEAD L211 EXCELSA35V FERRITE BEAD CT 1388YD CT 1389VYD L245 EXCELSA35V FERRITE BEAD L250 EXCELSA35V FERRITE BEAD CT 1389VYD CT 2089VYD CT 2789VYD L306 TLUABTA2R2K COIL PEAKING 2 2UH L325 EXCELSA35V FERRITE BEAD REF NO PART NO DESCRIPTION L351 TLTABT101K LINE FILTER CT 2788YD CT 2789VYD L351 TLTABT470K COIL PEAKING 47UH CT 1388YD CT 1389VYD L403 TLUABTA2R2K COIL ...

Page 38: ...J202V RES M 2K J 1 10W REF NO PART NO DESCRIPTION R014 ERJ6GEYJ221V RES M 220 J 1 10W R015 ERJ6GEYJ221V RES M 220 J 1 10W R016 ERJ6GEYJ221V RES M 220 J 1 10W R017 ERJ6GEYJ681V RES M 680 J 1 10W R018 ERJ6GEYJ681V RES M 680 J 1 10W R019 ERJ6GEYJ681V RES M 680 J 1 10W R021 ERJ6GEYJ101V RES M 100 J 1 10W R022 ERJ6GEYJ101V RES M 100 J 1 10W R023 ERJ6GEYJ102V RES M 1K J 1 10W R024 ERJ6GEYJ153V RES M 15K...

Page 39: ...M 510 F 1 10W CT 2088YD CT 2089VYD R360 ERJ6ENF6200V RES M 620 F 1 10W CT 1388YD CT 1389VYD R361 ERJ6ENF4700V RES M 470 F 1 10W CT 2788YD CT 2789VYD R361 ERJ6ENF5100V RES M 510 F 1 10W CT 2088YD CT 2089VYD REF NO PART NO DESCRIPTION R361 ERJ6ENF6200V RES M 620 F 1 10W CT 1388YD CT 1389VYD R362 ERJ6ENF4700V RES M 470 F 1 10W CT 2788YD CT 2789VYD R362 ERJ6ENF5100V RES M 510 F 1 10W CT 2088YD CT 2089...

Page 40: ...470 J 1 10W R502 ERJ6GEYJ562V RES M 5 6K J 1 10W R504 ERDS2TJ152T RES C 1 5K J 1 4W CT 1388YD CT 1389VYD CT 2088YD CT 2089VYD R504 ERDS2TJ681T RES C 680 J 1 4W CT 2788YD CT 2789VYD R505 ERJ6GEYJ222V RES M 2 2K J 1 10W R506 ERJ6GEYJ333V RES M 33K J 1 10W REF NO PART NO DESCRIPTION R507 ERJ6GEYJ103V RES M 10K J 1 10W R508 ERJ6GEYJ103V RES M 10K J 1 10W R510 ERG3FJ182 RES M 1 8K J 3W CT 2088YD CT 208...

Page 41: ...828 ERJ6GEYJ104V RES M 100K J 1 10W R830 ERDS2TJ104T RES C 100K J 1 4W R831 ERDS2TJ682T RES C 6 8K J 1 4W R850 ERQ12HJR56P RES F 56 J 1 2W R1002 ERJ6GEYJ101V RES M 100 J 1 10W CT 2788YD CT 2789VYD R1003 ERJ6GEYJ101V RES M 100 J 1 10W CT 2788YD CT 2789VYD REF NO PART NO DESCRIPTION R1008 ERJ6GEYJ102V RES M 1K J 1 10W CT 1388YD CT 1389VYD CT 2088YD CT 2089VYD R2201 ERJ6GEYJ224V RES M 220K J 1 10W CT...

Page 42: ...T 1389VYD CT 2088YD CT 2089VYD CT 2789VYD R3074 ERJ6GEYJ562V RES M 5 6K J 1 10W CT 2789VYD R3076 ERJ6GEYJ223V RES M 22K J 1 10W CT 2788YD CT 2789VYD R3078 ERJ6GEYJ183V RES M 18K J 1 10W CT 1388YD CT 1389VYD CT 2088YD CT 2089VYD R3078 ERJ6GEYJ223V RES M 22K J 1 10W CT 2788YD CT 2789VYD REF NO PART NO DESCRIPTION R3079 ERJ6GEYJ473V RES M 47K J 1 10W CT 1388YD CT 1389VYD CT 2088YD CT 2089VYD R3085 ER...

Page 43: ...014ZZ CONVERGENCE CORRECTOR STRIP M015 TXFKY42ESER ASSY CABINET FRONT Cab 13 Smoke Sheet Badge Label Service Info CT 1388YD REF NO PART NO DESCRIPTION M016 TXFKY43ESER ASSY CABINET FRONT Cab 13 Smoke Sheet Badge IR Guide Label CT 1389VYD M017 TXFKY44ESER ASSY CABINET FRONT Cab 20 Smoke Sheet Badge Label X ray Warning EN CT 2088YD M018 TXFKY45ESER ASSY CABINET FRONT Cab 20 Smoke Sheet Badge IR Guid...

Page 44: ...l Cover Cabinet Back Felt X ray Warning Label FR FCC Label Label Info X ray Warning Label EN CT 1389VYD REF NO PART NO DESCRIPTION M041 TJS2A9560 CONNECTOR S VHS M042 TJS1A4560 CONNECTOR BNC WITH SWITCH M043 TJS2A48061 CONNECTOR BNC WITHOUT SWITCH ACCESORIES M044 EUR501450 REMOTE CONTROL CT 1389VYD CT 2089VYD CT 2789VYD M045 UR50EC1190A BATTERY COVER REMOTE CONTROL CT 1389VYD CT 2089VYD CT 2789VYD...

Page 45: ... 45 NOTES ...

Page 46: ...on The different sections are referred to as HOT section and COLD section in the precautions below 1 Do not touch the HOT section and the COLD section at the same time You may receive an electric shock 2 Do not short the HOT section to the COLD section This could blow the fuse or damage parts 3 Never measure the HOT section and the COLD section at the same time when using tools such as oscilloscop...

Page 47: ... 47 A Board Layout Diagrama Impreso Tarjeta A ...

Page 48: ... 48 CT 1388YD A Board Schematic Left Portion Diagrama Eléctrico Tarjeta A Porcion Izquierda ...

Page 49: ... 49 CT 1388YD A Board Schematic Right Portion Diagrama Eléctrico Tarjeta A Porcion Derecha ...

Page 50: ... 50 CT 1389VYD A Board Schematic Left Portion Diagrama Eléctrico Tarjeta A Porcion Izquierda ...

Page 51: ... 51 CT 1389VYD A Board Schematic Right Portion Diagrama Eléctrico Tarjeta A Porcion Derecha ...

Page 52: ... 52 CT 2088YD A Board Schematic Left Portion Diagrama Eléctrico Tarjeta A Porcion Izquierda ...

Page 53: ... 53 CT 2088YD A Board Schematic Right Portion Diagrama Eléctrico Tarjeta A Porcion Derecha ...

Page 54: ... 54 CT 2089VYD A Board Schematic Left Portion Diagrama Eléctrico Tarjeta A Porcion Izquierda ...

Page 55: ... 55 CT 2089VYD A Board Schematic Left Portion Diagrama Eléctrico Tarjeta A Porcion Derecha ...

Page 56: ... 56 CT 2788YD A Board Schematic Left Portion Diagrama Eléctrico Tarjeta A Porcion Izquierda ...

Page 57: ... 57 CT 2788YD A Board Schematic Right Portion Diagrama Eléctrico Tarjeta A Porcion Derecha ...

Page 58: ... 58 CT 2789VYD A Board Schematic Left Portion Diagrama Eléctrico Tarjeta A Porcion Izquierda ...

Page 59: ... 59 CT 2789VYD A Board Schematic Right Portion Diagrama Eléctrico Tarjeta A Porcion Derecha ...

Page 60: ...2 2 30 8 93 1 68 X Board Transistors Voltages IC3001 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 4 10 8 93 3 37 0 00 3 37 0 00 3 37 0 0 3 38 0 00 4 06 4 74 4 76 4 76 4 76 0 00 3 97 0 00 4 77 4 79 4 79 4 79 X Board IC Voltages X Board Schematics Diagrama Eléctrico Tarjeta X B E C IDENTIFICACIÓN DE TERMINALES PARA TRANSISTORES EN CHIP B E C CHIP TRANSISTOR LEAD DESIGNATION ...

Page 61: ...ta X X Board Voltages IC2321 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 4 46 0 00 4 50 4 49 4 49 4 45 4 54 3 37 4 47 1 55 2 60 3 09 5 82 4 47 4 47 4 47 4 48 4 47 4 49 4 50 9 00 4 46 X Board Schematic Diagrama Eléctrico Tarjeta X X Board Layout Diagrama Impreso Tarjeta X ...

Page 62: ... 62 CT 2789VYD X Board Schematic Diagrama Eléctrico Tarjeta X ...

Page 63: ...rico e Impreso Tarjeta C Q351 6 60 163 30 6 10 B C E Q352 6 40 165 30 6 10 Q353 6 50 164 00 6 00 Q354 3 38 6 58 2 74 Q355 3 38 6 41 2 80 Q356 3 32 6 49 2 76 C Board voltages C Board Schematic CT 2088YD CT 2089VYD CT 2788YD CT 2789VYD C Board Layout ...

Page 64: ...Voltajes Tarjeta C Diagrama Eléctrico e Impreso Tarjeta H Q351 6 45 112 00 5 90 B C E Q352 6 20 122 20 5 70 Q353 6 40 113 50 5 90 Q354 3 30 6 40 2 70 Q355 3 40 6 20 2 90 Q356 3 40 6 50 2 80 C Board voltages H Board Layout H Board Schematic C Board Schematic CT 1388YD CT 1389VYD ...

Page 65: ... 65 CT 1388YD CT 1389VYD CT 2088YD CT 2089VYD G Board Schematic and Layout Diagrama Eléctrico e Impreso Tarjeta G ...

Page 66: ... 66 G Board Schematic Diagrama Eléctrico Tarjeta G G Board CT 2789VYD G Board CT 2788YD ...

Page 67: ...07 2 77 0 00 3 44 Q008 2 69 0 00 3 36 Q009 0 60 0 00 0 00 Q050 4 68 0 00 2 72 B C E Q051 5 00 0 00 2 77 Q052 5 00 0 00 2 69 Q053 0 00 5 01 2 64 Q054 0 00 5 00 2 77 Q055 0 00 5 01 2 69 B C E Q090 1 21 0 00 1 90 Q092 8 89 2 72 5 02 Q2350 6 61 0 00 1 84 Q451 0 61 0 00 1 84 Q452 0 00 2 52 0 00 B C E Q453 0 00 8 70 0 00 Q501 0 50 65 30 0 00 Q505 2 48 5 00 2 33 Q520 1 75 5 00 1 70 B C E IC451 1 2 3 4 5 ...

Page 68: ... 68 NOTES ...

Page 69: ... 69 NOTES ...

Page 70: ... 70 Printed in USA K01100600PL1016 ...

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