Samsung TW14C52S/BWT Service Manual Download Page 51

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Troubleshooting

Samsung Electronics

6-1

6. Troubleshooting

6-1 No Power (No Picture on)

Yes

Check

both terminal voltages

of C820 (125V)

Check both

terminal voltages of

C807 (280~300V).

Check D801~804

F801,Q801.

Is Q801 Pin 3

19~22V?

Check IC801

Check/Replace

T801.

Yes

Check

Voltage of 5V, 6V, 8V,

13V power line..

Check whether

each power line
is short or open.

Yes

Is IC901

Pin 64 Voltage 5V?

Check H.V SYNC on

IC901 Pins 1, 2

Check/Replace

IC901.

Check

IC901 Pin 3 is High
when power is On.

Check/Replace

IC902.

Check the voltage

of TU001.

Yes

Summary of Contents for TW14C52S/BWT

Page 1: ...Recorder CONTENTS Precautions Specifications Disassembly and Reassembly Alignment and Adjustment Mechanical Alignment and Adjustment Electrical Troubleshooting Exploded View and Parts List Electric Parts List Block Diagram PCB Layout Wiring Diagram Schematic Diagrams 1 2 3 4 5 6 7 8 9 10 11 12 ...

Page 2: ... metal cabinets screwheads and control shafts The current measured should not exceed 0 5 milliamp Reverse the power plug prongs in the AC outlet and repeat the test Fig 1 1 AC Leakage Test 6 Antenna Cold Check With the unitÕs AC plug disconnected from the AC source connect an electrical jumper across the two AC prongs Connect one lead of the ohmmeter to an AC prong Connect the other lead to the co...

Page 3: ...ppear to have overheated or that are otherwise damaged should be replaced with parts that meet the original specifications Always determine the cause of damage or overheat ing and correct any potential hazards 15 Observe the original lead dress especially near the following areas Antenna wiring sharp edges and especially the AC and high voltage power supplies Always inspect for pinched out of plac...

Page 4: ...ssible conductive parts examples metal panels input terminals and earphone jacks 6 Insulation Checking Procedure Disconnect the power cord from the AC source and turn the power switch ON Connect an insulation resistance meter 500V to the blades of the AC plug The insulation resistance between each blade of the AC plug and accessible conductive parts see above should be greater than 1 megohm 7 Neve...

Page 5: ...ctrical charges that damage ESDs 5 Use only a grounded tip soldering iron when soldering or unsoldering ESDs 6 Use only an anti static solder removal device Many solder removal devices are not rated as Òanti staticÓ these can accumulate sufficient electrical charge to damage ESDs 7 Do not remove a replacement ESD from its protective package until you are ready to install it Most replacement ESDs a...

Page 6: ... in FF with E 120 Wow and flutter WTD 0 4 maximum SP Frequency response 100 Hz 8 KHz GENERAL Power supply 220 240V 50Hz 110 260V 50 60Hz option Consumption 14 60W 20 21 90W Audio output power 14 1 5W 20 3W 21 1 5Watts x 2 Number of loudspeakers 14 20 1 21 2 Tube size 14 37cm 34cmV 20 51cm 48cmV 21 55cm 51cmV Tube type BLACK MATRIX Sockets 1 full RGB SCART on the rear 1 RCA input audio and video on...

Page 7: ...Disassembly and Reassembly Samsung Electronics 3 1 1 Remove the screws located on the side of the back cover 3 Disassembly and Reassembly 3 1 Disassembly 3 1 1 Back Cover Removal ...

Page 8: ...Disassembly and Reassembly 3 2 Samsung Electronics 3 1 2 Main Assembly Removal 1 Release two connectors between sub PCB and Main Assembly 2 Pull the Main Assembly backwards to remove ...

Page 9: ...Disassembly and Reassembly Samsung Electronics 3 3 3 1 3 Monitor Frame Removal 1 Remove 3 screws from the Main Assembly Remove the dust cover 2 Remove 4 screws from the Deck Assembly ...

Page 10: ...l 3 1 5 Main Assembly Removal 1 Remove 2 screws holding the bottom cover 2 Remove one screw from Main PCB Assembly Take off the deck Assembly 1 Remove 2 screws holding the upper chassis housing 2 Remove 3 screws holding the deck assembly 3 Lift the deck assembly upward to remove ...

Page 11: ... Electronics 3 5 3 1 6 Top Cabinet Removal 1 Remove two 2 screws located at the rear of the top cabinet 2 Carefully lift the back of the top cabinet and shield it to the rear to remove 3 1 7 Top Cabinet Removal 3 1 8 Top Cabinet Removal ...

Page 12: ...ts Locations 4 1 1 Deck Top View Œ ˇ ˆ Ø Fig 4 1 Top parts Location 1 4 Alignments and Adjustments Mechanical Œ BRACKET FL TOP GEAR FL CAM ˇ MOTOR LOADING ASS Y LEVER FL ARM ASS Y ˆ HOLDER FL CASSETTE ASS Y Ø LEVER FL DOOR SLIDER FL DRIVE ...

Page 13: ... ı Ò Fig 4 2 Top Parts Location 2 Œ FE HEAD PLATE CYLINDER C ˇ CYLINDER ASS Y PLATE CYLINDER B ˆ PLATE CYLINDER A Ø ACE HEAD ASS Y UNIT PINCH ASS Y LEVER 9 GUIDE ASS Y LEVER TENSION ASS Y BAND BRAKE ASS Y Ô DISK S REEL LEVER S BRAKE ASS Y Ò GEAR IDLE Ú LEVER IDLE Æ LEVER T BRAKE ASS Y ı DISK T REEL ...

Page 14: ...nics 4 3 4 1 3 Deck Bottom View Œ ˇ ˆ Ø Ô Fig 4 3 Bottom Parts Location Œ GEAR JOINT 1 GEAR JOINT 2 ˇ BRAKET GEAR MOTOR CAPSTAN ASS Y ˆ LEVER T LOAD ASS Y Ø GEAR LOADING DRIVE LEVER S LOAD ASS Y HOLDER CLUTCH ASS Y BELT PULLEY SLIDER CAM Ô SLEEVE TENSION ...

Page 15: ...acket FL Top Note Take care not to change assembly direction FIG 1 Œ 2 SCREWS BRACKET FL TOP 4 2 2 Lever FL Door Removal 1 Rotate the Lever FL Door Œ in the direction of arrow ÒAÓ 2 Release the Hook remove the Lever FL Door Œ in the direction of arrow ÒBÓ HOOK Œ LEVER FL DOOR A B Fig 4 4 Braket FL Top Removal Fig 4 5 Lever FL Door Removal ...

Page 16: ...ut completely Note Be sure to insert Lever FL Cassette R in the direction of ÒAÓ to prevent separation and break age of the Lever FL Cassette R at disassembling and reassembling Œ HOLDER FL CASSETTE ASS Y LEVER FL CASSETTE R BOSS A BOSS B RAIL C RAIL D A B 4 2 4 Lever FL Arm Ass y Removal 1 Remove the Lever FL Door Refer to Fig 4 5 2 Remove the Holder FL Cassette AssÕy Refer to Fig 4 6 3 Release t...

Page 17: ...Œ in the direction of arrow Refer to Fig 4 8 Œ SLIDER FL DRIVE 4 2 6 Bracket Gear Gear FL Cam Gear Joint 1 2 Removal 1 Remove screw Œ 2 Lift the Bracket Gear 3 Remove the Gear FL Cam ˇ 4 Lift the Gear Joint 2 Gear Joint 1 ˆ Œ SCREW BRACKET GEAR ˇ GEAR FL CAM ˆ GEAR JOINT 1 GEAR JOINT 2 Fig 4 8 Slider FL Drive Removal Fig 1 9 Bracket Gear Gear FL Cam Gear Joint 1 2 Removal ...

Page 18: ...to Timing Point 3 Œ GEAR JOINT 1 GEAR JOINT 2 ˇ SLIDER CAM TIMING POINT 1 GEAR FL CAM GEAR WORM WHEEL POST TIMING POINT 2 TIMING POINT 3 4 2 8 Holder Worm Gear Worm Gear Worm Wheel Removal 1 Release the Hook A in the direction of arrow and remove the Holder Worm Œ 2 Remove the Gear Worm 3 Remove the Gear Worm Wheel ˇ After remov ing the Gear FL Cam as shown Fig 4 9 Note Secure the Hook A after ins...

Page 19: ... 10 Gear Loading Drive Slider Cam Lever T S Load Ass y Removal 1 Remove the Belt Pulley Refer to Fig 4 29 2 Remove the Gear Loading Drive Œ after releasing Hook A in the direction arrow as shown in detail drawing 3 Remove the Slider Cam 4 Remove the Lever T S Load AssÕy ˇ Œ GEAR LOADING DRIVE ˇ LEVER T LOAD ASS Y HOOK A SLIDER CAM LEVER S LOAD ASS Y Fig 4 13 Gear Loading Drive Slider Cam Lever T S...

Page 20: ...OINT 1 TIMING POINT 2 TIMING POINT 3 4 2 12 Lever Tension Ass y Band Brake Ass y Sleeve Tension Removal 1 Remove the Spring Tension Œ 2 In bottom side of Deck remove the Sleeve Tension after rotating it right or left as lif tinig locking edge of Sleeve Tension 3 Remove the side ÒaÓ of the Band Brake AssÕy in the direction of arrow ÒAÓ from the Lever Tension AssÕyˇ 4 Remove the side ÒbÓ of the Band...

Page 21: ...reme care not to folded or transform the spring Brake while removing or reinstalling ˇ SPRING BRAKE LEVER T BRAKE ASS Y Œ LEVER S BRAKE ASS Y HOOK A HOOK C HOOK B 4 2 14 Lever Idle Ass y Removal 1 Push the Lever Idle Œ in the direction of arrow ÒAÓ ÒBÓ 2 Lift the Lever Idle Œ Assembly 1 Apply oil in two Bosses of Lever Idle Œ 2 Assemble the Gear Idle with the Lever Idle Œ Note When replacing the G...

Page 22: ... Disk S T Reel Removal 1 Lift the Disk S T Reel Œ DISK T REEL Œ DISK S REEL Fig 4 18 Disk S T Reel Removal 4 2 16 Holder Clutch Ass y Removal 1 Remove the Washer Slit Œ 2 Lift the Holder Clutch AssÕy HOLDER CLUTCH ASS Y Œ WASHER SLIT Fig 4 19 Holder Clutch Ass y Removal ...

Page 23: ...n Main Base 2 Lift the Lever Up Down AssÕy Œ about 35 degree Refer to Fig 1 21 3 Insert Ring of the Gear Center AssÕy in the Guide ˆ of the Lever Up Down AssÕy Œ 4 Insert the Gear Center AssÕy in the post Ø on Main Base 5 Push down the Lever Up Down AssÕy Œ for locking of the Hook Note 1 Take care not to separate and loose the Spring Up Down 2 When assembling the Gear Center AssÕy donÕt push down ...

Page 24: ...OK A 4 2 20 Unit Pinch Ass y Plate Joint Spring Pinch Drive Removal 1 Lift the Unit Pinch AssÕy Œ 2 Remove the Plate Joint from Lever Pinch Drive 3 Remove the Spring Pinch Drive ˇ Note 1 Take extreme care not to touch the grease on the Roller Pinch 2 When reinstalling be sure to apply grease on the post pinch roller Œ UNIT PINCH ASS Y PLATE JOINT ˇ SPRING PINCH DRIVE Fig 4 22 Guide Cassette Door R...

Page 25: ...irection of arrow Note 1 Take extreme care not to touch the grease on the tape Guide Post 2 After reinstalling check the bottom side of the Post 9 Guide to stick to the top side of Main Base LEVER 9 GUIDE ASS Y Œ SPRING 9 GUIDE 4 2 22 FE Head Removal 1 Remove the screw Œ 2 Lift the FE Head Œ SCREW FE HEAD Fig 4 24 Lever 9 Guide Ass y Removal Fig 4 25 FE Head Removal ...

Page 26: ... from connector of ACE Head AssÕy 2 Remove the screw Œ 3 Lift the ACE Head AssÕy Œ SCREW ACE HEAD ASS Y Fig 4 26 ACE Head Removal 4 2 24 Slider S T Ass y Removal 1 Move the Slider S T AssÕy Œ to slot and then lift it to remove Refer to arrow SLIDER T ASS Y Œ SLIDER S ASS Y Fig 4 27 Slider S T Ass y Removal ...

Page 27: ...late Cylinder C 3 Take care not to touch the Cylinder AssÕy with screw driver at reinstalling the Plate Cylinder C ˆ SCREW CYLINDER ASS Y Œ SCREW PLATE CYLINDER C ˇ SCREW PLATE CYLINDER B Ø PLATE CYLINDER A 4 2 26 Belt Pulley Removal 1 Remove the Belt Pulley Œ Note Take extreme care not to touch the grease on Belt Pulley Œ at assembling or reassembling Œ BELT PULLEY Fig 4 28 Cylinder Ass y Removal...

Page 28: ...transport system again Œ 3 SCREWS MOTOR CAPSTAN ASS Y B C A DETAIL 4 2 29 How to Manually Eject the Cassette Tape 1 Remove the Holder worm Œ and the Gear Worm 2 Turn the Gear Worm Wheel ˇ counterclockwise with screw driver Refer to arrow Œ HOLDER WORM GEAR WORM SCREW DRIVER ˇ GEAR WORM WHEEL Fig 4 31 Motor Capstan Ass y Removal Fig 4 32 3 As Sliders S and T are approched in the unloading position ...

Page 29: ... Electronics 4 3 Lubrication and recommended replacement time for principal parts 1 The recommended replacement time is shorter than the design maximum 2 Table 1 1 assumes VCR is in normal environment normal temperature normal humidity The checking period may be changed based on the manner of use runtime and environmental conditions 3 Life of the Cylinder AssÕy depends on the manner of use 4 See e...

Page 30: ...SE FE HEAD CYLINDER ASS Y PINCH ROLLER GUIDE ROLLER S GUIDE ROLLER T 8 GUIDE POST 9 GUIDE POST CAPSTAN SHAFT ACE HEAD 3 GUIDE POST 4 4 Tape Transport System and Adjustment Locations The tape transport system has been adjusted precisely in the factory Alignment is not necessary except for the following 1 Noise observed on the screen 2 Tape damage 3 Parts replacement in the tape transport system Low...

Page 31: ... SCREW C HEIGHT ADJUST SCREW D X POSITION LOCKING SCREW B AZIMUTH ADJUST 0 0 25 mm AUDIO HEAD VIDEO HEAD CONTROL HEAD 4 5 Tape Transport System Adjustment When parts are replaced perform the required adjustments by referring to precedures for the tape transport system If there are any changes to the tape path first run a T 120 tape and make sure excessive tape wrinkle does not occur at the tape gu...

Page 32: ...putÓ simultaneously This will automatically adjust the tracking center 2 Play back the mono scope alignment tape 3 Connect Ch1 scope probe to ÒCTRLÓ and Ch2 scope probe to ÒHÕD SWÓ Trigger on the head switching pulse 4 Set the tracking preset to 7 msec and 2HÕD to 2 msec Use the ÒFineÓ tracking buttons on the remote control 5 Connect Ch1 scope probe to ÒENVÓ connect Ch 2 to ÒHÕD SWÓ and trigger on...

Page 33: ...ng gear unit may be damaged do not adjust the X point by using force After turning the X point adjusting screw D slightly counter clockwise perform the adjustment and then tighten the screw Fig 4 5 5 Tracking Preset and Control Adjustment Only for Models SV 20U 30U 40U 60U 100U VR3705 VR3805 5705 5805 8705 CH 2 PROBE H D SW PULSE CH 1 PROBE CTL PULSE Setting of Scope Volt div CH 1 0 1V CH 2 0 2V T...

Page 34: ... the video RF envelope at the exit side 4 If the section A in Fig 4 5 8 does not meet the specification adjust the guide roller S up or down 5 If the section B in Fig 4 5 8 does not meet the specification adjust the guide roller T up or down Fig 4 5 7 Envelope Waveform Adjustment a a b c d c b d a 63 b c d Fig 4 5 8 Adjustment Points A B A B H D SWITCHING PULSE ENVELOPE 6 Play back the Mono Scope ...

Page 35: ... envelope meets the specification as shown in Fig 2 10 2 Play back a self recorded tape recording made onthe unit using with T 120 E 120 The video envelope should meet the specification as shown in Fig 4 5 11 In SP mode A should equal B If the head gap is wide upper cylinder should be checked A B Fig 4 5 11 Envelope Output and Output Level 2 2 5 Tape Wrinkle Check 1 Run the T 160 E 180 tape in the...

Page 36: ...ould be 56 15g cm use a Back Tension Meter 1 0mm 0 5mm ˇ LEVER TENSION ASS Y Œ DISK S REEL ADJUSTING ADJUSTING SLIT 1 3 Fig 4 5 14 Tension Pole and Back Tension Adjustment 1 Remove the holder cassette assÕy and then push the lever FL Arm R to the direction of loading 2 Push the lever tension drive Œ in the direction of arrow See Fig 4 5 12 3 Turn the gear worm wheel clockwise so that ÒTiming Point...

Page 37: ...ce White Balance Sub Brightness Vertical Center Vertical Size Horizontal Size 5 2 1 Procedure for the Adjustment Mode 1 This mode uses the standard remote control The Service Mode is activated by 1 pressing the ÒFACTORYÓ service key on the local key board or 2 by entering the following remote control sequence within 2 seconds STAND BY DISPLAY MENU MUTE POWER ON 2 The ÒSERVICE FACTORY Ó message wil...

Page 38: ...K STRETCHER NTSC HORIZONTAL SHIFT Table 5 1 Main Adjustment Parameters Sonym com with TTX 5 2 2 Main Adjustment Parameters NOTE PVS PVA PHS NVS NVA NHS parameters must be aligned using both the 50 Hz and 60 Hz vertical field rates 5 2 3 AGING Mode Reference Only This pattern is used for pre heating the CRT during manufacturing it is accessed in the factory by twice pressing the FACTORY key Even if...

Page 39: ...Mode 4 Bit 3 Not used 5 Bits 2 1 0 COLOR SYSTEM AUTO PAL SECAM AUTO PAL AUTO PAL SECAM AUTO PAL SECAM PAL SECAM FRANCE Ë AUTO PAL AUTO PAL SOUND SYSTEM X X AUTO B G D K AUTO B G D K I X X X AREA WEST SCAN UNITED KINGDOM EAST CIS CHINA HONG KONG FRANCE ITALY OCEANIA 2 L 0 0 0 0 1 1 1 1 1 D K 0 0 1 1 0 0 1 1 0 I 0 1 0 1 0 1 0 1 NOT USED DEFAULT OPERATION WEST SCAN Note1 United Kingdom 468 900MHz UHF...

Page 40: ...SHOWVIEW BIT 7 6 5 4 3 2 1 0 ITEM NOT USED NOT USED NOT USED HEAD SP LP SECAM MESECAM NTSC3 58 0 2 HEAD SP ONLY N A N A N A 1 4 HEAD SP LP POSSIBLE POSSIBLE POSSIBLE REMARK The Reset Mode is used during factory inspection Function Reset After Factory Reset the following items revert to their initial values 1 Volume 10 2 Program Channel 0 3 P STD MEMORY 4 Auto Power OFF 5 NR OFF 6 Reserved Timer Re...

Page 41: ...transformer 5 4 2 Automatic Degaussing A degaussing coil is mounted around the picture tube so that external degaussing after moving the TV should be unnecessary But the receiver must be properly degaussed upon installation The degaussing coil operates for about 1 second after the power is switched ON If the set has been moved or turned in a different direction disconnect its AC power for at least...

Page 42: ...d tighten the clamp screw 3 Plug the convergence yoke into the CRT and set in as shown in Fig 5 1 4 Input a black and white signal 5 Fully demagnetize the receive by applying an external degaussing coil 6 Turn the CONTRAST and BRIGHTNESS controls to maximum 7 Loosen the clamp screw holding the yoke Slide the yoke backward or forward to provide vertical green belt Fig 5 2 8 Tighten the convergence ...

Page 43: ...e Factory Mode 5 4 7 B LOW LIGHT ADJUSTMENT 1 Automatically accomplished during the high light adjustment Alignment and Adjustments Electrical Samsung Electronics 5 7 4 Pole Magnet 6 Pole Magnet 2 Pole Magnet Clamper Screw 2 POLE PURITY YOKE CLAMP SCREW 6 POLE CONVERGENCE 4 POLE CONVERGENCE ADJUST VERTIC 31m m Vertical Green Belt Fig 5 1 Convergence Magnet Assembly Fig 5 2 Center Convergence Adjus...

Page 44: ...and blue horizontal line in the center of the screen 6 Adjust the two tab pairs of the 6 pole magnets to superimpose the red and blue line onto the green Changing the angle affects the vertical lines and rotating both magnets affects the horizontal lines 7 Repeat adjustments 2 6 if necessary 8 Since the 4 pole magnets and 6 pole magnets interact the dot movement is complex Fig 5 3 RED BLUE BLUE RE...

Page 45: ...ision or Monitor 2 Oscilloscope Wide band dual trace trig gered delayed sweep 3 DC Voltmeter 4 TV CH Generator 5 Attenuator 6 Recording tape Blank tape 7 Pattern Generator PAL color bar 100 White Fig 5 4 Alignment Tape 0 3V Burst Signal as fiat as possible White 100 signal White 75 signal 0 3V 0 7V Horizontal sync signal Fig 5 5 Color bar signal of pattern generator Yellow Cyan Green Magenta Red B...

Page 46: ... Low speed FF High speed FF Low speed Rew STANBY POWER OFF LOADING START LOADING END REV PLAY STOP1 STOP 2 FF REW 1 FF REW 2 Alignment and Adjustments Electrical 5 10 Samsung Electronics I II III IV V VI VII a b c d e f F R2 F R1 SPT2 SPT1 PLAY REV LOAD END LOAD START POWER OFF STANDBY E SEN S SEN SW C SW B SW A SW POSITION FL SW ON less than 3 5v OFF more than 3 5v Input to A D port START END SEN...

Page 47: ...X 2HD LP 17 QM316 0501 000398 C945 TR X X X X X X X X X X X X X X X X D REC 18 RM320 2001 000554 270 R X X X X X X X X 0 0 0 X X X X X 2HD LP 19 RM326 2001 000837 51K R X X X X X X X X X X X X X X X X D REC 20 RM337 2001 000268 1 8K R X X X X X X X X X X X X X X X X MULTI 21 RM375 2001 000268 1 8K R X X X X X X X X X X X X X X X X PB FM 22 RM376 2001 000268 1 8K R X X O O O X X X X X X X X X X X S...

Page 48: ... X X O X O X X KEY 56 DM608 0401 000005 1N4148 D O X O X X O X X O X X O X O X X KEY 57 DM609 0401 000005 1N4148 D O X O X X O X X O X X O X O X X KEY 58 ZDM601 0403 000654 MTZ12B ZENER O X O X X O X X O X X O X O X X KEY 59 LM602 AA91 60317A G LED 03 ASSY O X O X X O X X O X X O X O X X KEY 60 CNM611 3711 000683 13P CON X O X O O X O O X O O X O X O O KEY ADD 61 QM603 0504 000118 R1003 TR O X O X...

Page 49: ...02 002036 C CERA 51P 12 CM912 2202 000127 C CERA 103P 13 CM913 2202 002037 C CERA 104P 14 CM914 2201 000234 C CERA 150P RADIAL 15 CM915 2301 000383 C FILM 103P 16 CM916 2401 002291 C AL 47uF 16V 17 CM917 2202 002037 C CERA 104P 18 CM918 2301 000383 C FILM 103P 19 CM919 2301 000383 C FILM 103P 20 CM920 2401 000665 C AL 2 2uF 50V 21 CM921 2201 000262 C CERA 180P RADIAL 22 CM922 2401 000590 C AL 1uF ...

Page 50: ...M906 2001 000387 R 51K 46 RM907 2001 000591 R 3 3K 47 RM908 2001 000633 R 30K 48 RM909 2001 000890 R 6 8K 49 RM910 2001 000429 R 1K 50 RM911 2001 000429 R 1K 51 RM912 2001 000674 R 360 52 RM913 2001 000281 R 100 53 RM914 2001 000786 R 47K 54 RM915 2001 000539 R 24K 55 RM916 2001 001015 R 9 1K 56 RM917 2001 000977 R 8 2K 57 RM918 2001 000139 R 120K 58 RM919 2001 000734 R 4 7K 59 RM920 2001 000539 R...

Page 51: ...Check D801 804 F801 Q801 No Is Q801 Pin 3 19 22V Check IC801 Check Replace T801 No Yes No Yes Check Voltage of 5V 6V 8V 13V power line Check whether each power line is short or open No No Yes Is IC901 Pin 64 Voltage 5V Check H V SYNC on IC901 Pins 1 2 Check Replace IC901 Check IC901 Pin 3 is High when power is On Check Replace IC902 Check the voltage of TU001 Yes Yes No No Yes ...

Page 52: ... IC901 64 No Check IC901 23 24 Check after Bus Line Open Yes Yes Yes Yes Check IC804 No Check another I2C Bus Line Yes No No Retouch CN102 or Replace CN102 Check IC801 Check Q801 Check D801 D805 Check Replace D801 D805 Replace Replace Yes No No No Check IC901 28 31 Replace IC901 No ...

Page 53: ...ctronics 6 3 Check IC901 23 24 Check D834 H and IC807 Yes Yes No Check Another I2C bus line Check IC201 12 37 Check Q401 Q402 Replace Replace Replace No No Check After bus line open No Replace No Yes No Check IC201 40 41 R416 R408 R409 D401 D402 Yes Yes ...

Page 54: ...ack 3 See Audio Block Diagram 6 6 RF Weak Signal Playback AV Mode OK 1 Check Tuner TU001 B Check 9V IC807 33V DZ803 Check 5V IC902 2 Pre AMP HC001 B Check 9V IC807 6 7 Recording Defect 1 CN101 Check Retouch 2 2nd Tuner TU002 B Check 12V D818 33V DZ803 5V IC807 3 2nd If Check 9V IC806 Video out Audio out 4 Video Defect IC701 Check 5 Audio Defect IC701 Check 6 Standby Recording Defect IC901 5 Line C...

Page 55: ...Hz 6 9 No Vertical SCAN 1 Check R410 D404 2 Check IC301 7 3 Check IC201 46 47 Line 4 Check DY Connector 6 10 Horizontal Size 1 Check C402 C403 L401 L404 6 11 On Screen Display Missing 1 Check IC901 2 D921 Q901 DZ901 2 Check IC901 1 R949 D919 DZ904 6 12 No Teletext 1 Check IC201 38 23 24 25 2 Check the 1st 5V Line D817 DZ808 R823 3 Check TIC01 1 Vcc 5V 4 Check TIC01 8 CVBS 5 Check IC201 26 TTX F B ...

Page 56: ...sm Operation PB Video See PB Audio Audio Missing in Play Mode No Yes See Video Missing In EE Mode No See Regulator Inoperative No No See Mechanism Does Not Operate in Play Mode See Video Missing in Play Mode Insert a Cassette Tape Recorded by Another VCR and Press Play Button Yes Does Not Operate or Operates but Stops Soon ...

Page 57: ...ICM601 77 76 Low Check Tape Load ICM601 38 HIGH ICM601 39 LOW No Moter B ICM602 2 10 No Motor B Line Replace ICM601 Replace ICM602 Cylinder Rotation No See Cylinder Does Not Rotate High Yes Yes Prog SW State ICM601 63 64 65 No Deck Loading Motor Mechanism S T Reel ICM601 99 98 DC PTM601 PTM602 Supply Take Up Reel Sensor PTM601 PTM602 Yes Mechanism Does Not Operate In Play Mode Place VCR Power On L...

Page 58: ...ee Audio Mising in Record Mode D REC H ICM601 66 Low Check ICM601 Rew SW Logic ICM601 No Change Tape Replace Replace SWM602 REC Video No See Video Missing in Record Mode High Yes Load VCR With a Blank Tape and Press Record Button Yes Yes Play Operation No See Play Mode Inoperative Yes ...

Page 59: ...6 Fast Forward Mode Inoperative Check Mechanism Mechanism State ICM601 63 64 65 STOP See Mechanism Does Not Operate In Play Mode Capstan Motor Rotation STOP See Capstar Does Not Rotate F FWD Rotate Load VCR With a Tape and Press F Fwd Button Yes ...

Page 60: ...Mode Inoperative Check Mechanism Mechanism State ICM601 63 64 65 STOP See Mechanism Does Not Operate In Play Mode Capstan Motor Rotation STOP See ICM601 25 Rew Rotate Press Rewind Button Yes Load VCR With a Tape No See Fast Forward Mode Inoperative Rotate ...

Page 61: ...de Inoperative Replace ICM601 Capstan Speed Replace ICM601 Noise Bar Locking Serach Speed Yes Press REV Search Button Yes Play Operation No See Play Mode Inoperative Yes No Rew SW Logic ICM601 No Change Tape Replace Check Mechanism Play Speed Capstan Motor Yes ...

Page 62: ...hanism Does Not Operate Press Eject Button Tape Loading Yes Turn the VCR Power On and Insert a Tape No Check LM B Line No No Check Start End Sensor ICM601 Yes ICM601 37 Check Control Pulse ICM601 76 77 No Replace ICM602 Yes ICM602 10 LOW ICM603 2 HIGH Check ICM601 No ...

Page 63: ...oting Samsung Electronics 6 13 6 20 No Servo Lock Play No Check A C Head No Check Start End Sensor ICM601 Yes CTL Pluse ICM601 4 C FG ICM601 93 Yes Replace ICM601 Yes Check CTL Pulse AC Level SP LP Over 2Vp p No ...

Page 64: ...o Check 6V at AL6V Line of Power Supply No Check 12V at AL15V Line of Power Supply Yes AL 5V CNM603 8 9V CNM603 5 Place the VCR In Play Mode Yes No Check C M CTL RM607 RM604 No Check I LIMIT RM618 Yes 2 5V CNM603 4 CNM603 3 2 5V Check Capstan Motor Yes No Check ICM601 Yes ...

Page 65: ...6 22 Drum Does Not Rotate No Check 12V at AL15V of Power Supply Check 12V CNM602 4 Place the VCR In Play Mode Yes No Replace XTM601 CM609 CM610 Faster Check D FG ICM601 97 Square Wave Slower 8 MHz XTM601 CYL Speed Check Cylinder Motor Yes Yes ...

Page 66: ...ng In Play Mode Replace ICM301 Check ICM301 18 Yes Place VCR Play Mode No Check QM302 No Yes Video ICM301 20 Video FM In ICM301 17 No Check Video Out Line Yes Video ICM301 29 Video EE Mode Operation No See Video Missing In EE Mode Yes Yes Check Video Head No ...

Page 67: ...ectronics 6 17 6 24 Video Missing In Record Mode No Replace ICM301 Check Video Head Place VCR Record Mode Yes FM Video ICM301 18 FM Video ICM301 21 Yes Video EE Mode Operation No TV Switching Circuit Check Yes Yes No Check RM313 ...

Page 68: ...sung Electronics 6 25 Color Missing In Play Mode FM ENV ICM301 61 Yes Color ICM301 71 S W 25Hz ICM301 11 No Check ICM601 No No See Video Missing In Play Mode Replace ICM301 Yes Check XTM302 4 43MHz Yes No Change XTM302 Yes No ...

Page 69: ...nics 6 19 6 26 Color Missing In Record Mode VIdeo In Record Mode Yes Color ICM301 61 Check XTM301 4 43MHz No Replace XTM301 No No TV Switching Circuit Check Replace ICM301 Yes Yes Yes FM Signal ICM301 71 Replace ICM301 No Check CM351 ...

Page 70: ... No Check ICM301 pin 4 PB Audio Signal Small Signal Check PC 5V Line Yes Yes Yes No Check VCR MICOM ICM601 pin27 28 No Check A C Head and PB EQ Block AUDIO HEAD A2 MUTH No Check CM301 Check ICM301 pin100 PB audio signal Small Signal No Replace ICM301 Check ICM301 pin96 PB Audio Signal No Replace CNM001 Check CNM101 pin10 PB Audio signal ...

Page 71: ...372 QM312 RM359 No Check RM366 RM367 CM374 RM342 RM343 CM354 Check ICM301 pin76 78 Audio Signal No Replace ICM301 Check ICM301 pin7 REC audio signal Yes Yes Check Audio Signal in E E Mode No Check CNM102 pin6 8 REC Audio Signal Yes Place VCR in REC Mode Replace CNM302 Check ICM301 pin99 REC bias signal No Check RM307 Yes No Check TV part A V SW or RF Block Check CNM302 Pin5 No Check A C Head Assem...

Page 72: ...2 000512 SCREW TAPPING RH 2 M4 L12 ZPC BLK SWR 1 1 15 6002 000512 SCREW TAPPING RH 2 M4 L12 ZPC BLK SWR 1 1 16 AA95 00092A ASSY PCB CONTROL DP C15A 14 20 ALL 1 1 17 6003 000333 SCREW TAPTITE RH 2S M3 L10 ZPC YEL SW 4 1 18 AA61 50044A GUIDE LED ABS V0 BLK AIWA 3 2 AA03 10001D CRT COLOR A34KQV42X 380MG 14 90DEG 5 1 2 1 AA65 30016A CLAMP D COIL NYLON 66 V0 NTR DADH 360 14 2 2 2 AA60 10050R SCREW ASSY...

Page 73: ...LINDERCX 9 NTSC 2HD DLC 2HD DIAMOND HEAD G420 AC66 80142A SLIDER SUPPLY ASSY X 9 TS X 9 G450 AC66 80141A SLIDER TAKE UP ASSY X 9 TS X 9 G480 AC33 10217H HEAD ACE ASSY X 9 G510 AC60 10518A SCREW TAP TITE PH SW ZW M2 6 L5 6 ZP G520 AC66 30539A LEVER 9 GUIDE ASSY X 9 TS X 9 G527 AC61 60553A SPRING 9 GUIDE ES SUS304 WPB OD3 1 0 G530 AC33 10217G HEAD FEVAA00000275 X 9 G532 AC60 10519A SCREW TAP TITE PH...

Page 74: ...CD1 B462 AC60 10517A SCREW TAP TITE PH M2 6 L5 ZPC YE B484 AC66 20580A GEAR LOADING DRIVE POM SW 01 M1 0 Z32 B488 AC66 30543A LEVER S LOAD ASSY X 9 B500 AC66 30542A LEVER T LOAD ASSY X 9 B560 AC31 12017A MOTOR CAPSTANDMVCMC07C X 9 B570 AC60 10514A SCREW CAPSTAN PH M2 6 L6 G542 AC66 60051A BELT PULLEY 5CM 70 2 2 71 3 X 9 K200 AC61 21012A HOLDER CLUTCH ASSY X 9 K221 AC66 20581A GEAR CENTER ASSY POM ...

Page 75: ...100V GP TP 10x16 5 C411 2201 000556 C CERAMIC DISC 470pF 10 500V Y5P TP 7x4 C412 2401 000927 C AL 22UF 20 250V GP TP 13X20mm 5mm C413 2401 003028 C AL 100uF 20 25V WT TP 6 3x11 5 C414 2201 000984 C CERAMIC DISC 680pF 10 2KV Y5P TP 11x6 C415 2305 000382 C FILM MPEF 4 7nF 5 400V TP 5mm C601 2401 001998 C AL 1000uF 20 25V GP TP 10x20 5mm C602 2306 000122 C FILM MPPF 100nF 5 50V TP 7 3x4 0x5 0m C604 2...

Page 76: ...500m DZ601 0403 000656 DIODE ZENER MTZ15C 15V 14 35 15 09V 500m DZ702 0403 000563 DIODE ZENER MTZ9 1B 9 1V 8 57 9 01V 500m DZ704 0403 000563 DIODE ZENER MTZ9 1B 9 1V 8 57 9 01V 500m DZ705 0403 000563 DIODE ZENER MTZ9 1B 9 1V 8 57 9 01V 500m DZ706 0403 000563 DIODE ZENER MTZ9 1B 9 1V 8 57 9 01V 500m DZ707 0403 000563 DIODE ZENER MTZ9 1B 9 1V 8 57 9 01V 500m DZ801 1405 000187 VARISTOR 750V 1250A 12 ...

Page 77: ... R FUSIBLE S 0 47ohm 5 1W AF TP 3 9x10m R417 2008 001009 R FUSIBLE 1ohm 5 1W AA TP 4 7x12 7mm R418 2001 001114 R CARBON S 270OHM 5 1 2W AA TP 2 4X6 4 R419 2001 000563 R CARBON 27KOHM 5 1 8W AA TP 1 8X3 2MM R420 2004 001234 R METAL 75Kohm 5 1 8W AA TP 1 8x3 2mm R421 2003 000455 R METAL OXIDE S 100ohm 5 2W AA TP 4x12 R423 2004 004089 R METAL S 123Kohm 1 1 2W AA TP 2 5x6 5 R601 2001 001114 R CARBON S...

Page 78: ...4 SCREW TAPPING RH 2 M4 L15 ZPC BLK SWR CB FD 6002 000514 SCREW TAPPING RH 2 M4 L15 ZPC BLK SWR CORD C AA65 30008ACLAMP CORD PE HB BLK CP CF 6003 000333 SCREW TAPTITE RH 2S M3 L10 ZPC YEL SW DCOIL C AA65 30016ACLAMP D COIL NYLON 66 V0 NTR DADH 360 14 DOOR AA64 00024MDOOR HOUSING TVCR 14 20 BK708P PAL T FRONT AA64 31339E CABINET FRONT 14A5 C5 BK 708P HIPS HB IND CF 6003 000333 SCREW TAPTITE RH 2S M...

Page 79: ... 2W AA TP 2 4X6 4M ASSY TBC WIRE P AA98 00024AASSY TBC WIRE P DP 14INCH AA98 00023A 2 ASSY M DECK AA94 00193TASSY M DECK M 422XK 2HD C15A A FRAME AA90 40008KASSY FRAME TS DECK 14C5 SESA ONLY DE FD 6002 000522 SCREW TAPPING TH 2 M4 L15 ZPC BLK SWR FRAME D AA61 00004AFRAME DECK TVN 502V V2 BLK FRAME C AA63 00012ACOVER FRAME TOP TVCR PAL SECC SHIELD AA63 40301ASHIELD PLATE S30 T0 5 TF531 SHIELD AA63 ...

Page 80: ... R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM RM649 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM RM648 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM RM647 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM RM643 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM RM638 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM RM629 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM RM628 2001 000429 R CARBO...

Page 81: ...100nF 80 20 50V Y5V CM329 2202 002037 C CERAMIC MLC AXIAL 100nF 80 20 50V Y5V CM327 2202 002037 C CERAMIC MLC AXIAL 100nF 80 20 50V Y5V CM311 2202 002037 C CERAMIC MLC AXIAL 100nF 80 20 50V Y5V CM301 2202 002037 C CERAMIC MLC AXIAL 100nF 80 20 50V Y5V CM117 2202 002037 C CERAMIC MLC AXIAL 100nF 80 20 50V Y5V CM115 2202 002037 C CERAMIC MLC AXIAL 100nF 80 20 50V Y5V CM114 2202 002037 C CERAMIC MLC ...

Page 82: ... 2x7 4mm XTM301 2801 000277 CRYSTAL UNIT 4 433619MHz 8ppm 28 AAM S 1 XTM601 2801 003750 CRYSTAL UNIT 8MHZ 30PPM 28 AAA 22PF 80OH BDM303 3301 000287 CORE FERRITE BEAD AA 3 5x1x6mm 1500 2400 BDM301 3301 000287 CORE FERRITE BEAD AA 3 5x1x6mm 1500 2400 SWM612 3404 000244 SWITCH TACT 15V 20mA 90 170gf 7 5x7mm SP ICM601 AA13 00011AIC MCU SNM 732MD 107 8BIT CHIP TF PCB AA41 10983BPCB VIDEO C15A 1L FR 1 3...

Page 83: ...r high is high The decoded signal goes to IC701 pin 2 where it is fed to IC 701 pin 4 high output of micomÕsÕ pin 8Ñ AV Tuner and out to VCR pin 4 module deck for recording 9 1 1 C VIEWING A SCRAMBLED CHANNEL WHILE RECORDING AN UNSCRAMBLED CHANNEL The output CVBS of the 2nd IF is fed from IC701 pin 5 to IC701 pin 4 low output of micom pin 8ÑAV tuner Then it goes to the module deck pin 4 for record...

Page 84: ... 3 IC201 INT EXT R G B 38 CRT Drive TTX 8 ICT01 C15A OPTION Micom Pin Function PIN NO 6 7 8 56 57 23 24 PIN NAME PB H V T H AV TUNER S L H FRA H SDA SCL FUNCTION High Output Playback signal is monitored The PB signal is output at scart High Output The second tuner signal is output at scart High Output AV signal is recorded Low output TUNER signal is recorded a C SYSTEM PAL SEC ARE AUTO mode and Fr...

Page 85: ... 1T optiom AM S L 2 C15A OPTION IC702 8 6 REC SOURCE A TUNER Micom Pin Function PIN NO 6 7 8 60 53 54 PIN NAME PB H V T H AV TUNER S L CTL S L AM B G FM EXT SDA SCL BG I L DK L FUNCTION High output PB audio is monitored The PB audio is output at scart High output The second tuner audio is output at a scart High output AV audio is recorded Low output TUNER audio is recorded 1 8 2 6V In TV FM Mode c...

Page 86: ...36 49 DM902 173 67 FLM301 241 119 ICM101 285 230 ICM102 265 232 ICM103 162 235 ICM301 183 112 ICM601 87 45 ICM602 180 230 ICM603 94 95 ICM604 97 10 ICM901 183 44 QM101 238 223 QM102 231 217 QM106 283 170 QM107 271 213 QM301 253 165 QM302 207 140 QM303 255 183 QM304 232 161 QM305 170 147 QM306 158 118 QM308 232 91 QM311 268 107 QM312 263 107 QM313 243 109 QM314 242 104 QM315 252 93 QM316 257 156 QM...

Page 87: ...5 DZ201 126 147 DZ222 150 153 DZ301 121 183 DZ302 115 192 DZ303 136 206 DZ304 115 196 DZ601 253 39 DZ702 212 209 DZ704 289 133 DZ705 204 216 DZ706 206 216 DZ707 209 216 DZ801 7 23 DZ802 23 77 DZ803 109 153 DZ804 16 77 DZ805 134 121 DZ806 54 9 DZ807 293 201 DZ808 134 128 DZ809 23 82 DZ901 165 17 DZ902 227 17 DZ903 272 21 DZ904 146 21 DZ905 261 19 DZP01 286 58 HC001 237 198 IC201 210 174 IC301 110 1...

Page 88: ...PCB Layout Samsung Electronics 10 3 10 3 Main CRT 10 7 Main MODULE 10 4 Main CONVERTER 10 5 Main A V 10 8 Main MASTER 10 6 Main CONTROL ...

Page 89: ...11 Wiring Diagram 11 1 C15A Wiring Diagram Wiring Diagram Samsung Electronics 11 1 ...

Page 90: ...Wiring Diagram 11 2 Samsung Electronics 11 2 C15A Wiring Diagram ...

Page 91: ...Schematic Diagrams 12 1 Samsung Electronics 12 Schematic Diagrams RED PB Y PROCESS BLUE REC Y PROCESS ...

Page 92: ...Xg g e X f f e h e 5 g e g e Xf f e h e Y g e f J e X e h e e 7 Xe g g hf hf e e hf e g g g e e e g g hf hf e hf e g g g e h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h W2 6Xe e M 1e g h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h...

Page 93: ... 1e7 H 1 7 I4 fJ 5 W M 3 L J 5 g e W Y heW Y e e e3 e 5 3 h7 H 7 He N 1 7 H g e eW Ye W Y e e eN e H V4 6Xf 5e e 3 5 3 L W2 e W Y e W Ye e e e 3 5 he f 1e He 3 Le N H V KO Y e 7 Yhf7 Y e 3 5 e e e N H 6K 5e 5 e V K e3 5 V4 0Y e h V4 0Y e e f V4 0Ye7 H fV4 eV Y W2 6X W2 6Xe W2 6X h O2 g O2 W Y eO2 e g h V X W X W MI Xhe e e 7 He J 5g heN 1 7 H N 1 7 H V4 hf e f f 6T2 6X W2 6Xf 7 HeW2 f e e e h f 1 ...

Page 94: ...Schematic Diagrams 12 4 Samsung Electronics 12 4 VCR POWER BLOCK ...

Page 95: ... e f e f e f e f e f e f e f e f e f e f e f e f e f e f e f e f e e f e f e f e f e f e f e f e f e f e f e f e f e f e f e f e f e e f e f e f e f e f e f e f e f f J O O W 7 H J e 7 5 e h H g he he hf 5 h h he he hf J H L 7 1 3 5 L N H J 1 5 7 e L J e J H f f L f L e 3 1 7 7 3 1 3 1 e N L L N L J N L J f 1 5 1 3 1 7 1 7 5 g J H J L J N J L H g3 7 g 7 5 g 3 1 7 g 7 5 h3 1 gN L L J H N L H N J g ...

Page 96: ... N e I 1g I 1eW Y X g e 7 He 7 Ye O Y O Y f e 7 H V f f f e7 H e e f f7 H f he f J g J Xe f Xe W Y e Xg3 e 5 e 3 C Y J 0YeJ 0Y 3 f 3 K V 6K 5 6K 5 6K 5 J 5f3 e 5f e J 5g 3 5 he 6KO 5 6KO 5 3 KO 5 3 KO 5 7 Y e X fV4 0Y V4 0Ye 7 g7 g V4 e V4 V V4 0Y V4 0Y V4 0Y 7 HfV4 0Yf e 7 Hg V4 0Y he V4 0Y V4 0Y V4 0Y V4 0Y e X g V e X g V X e W2 6X e W2 6X h W2 6X W2 6Xhf f W2 6X W2 6X g W MI X e 7 MI 1 Kg f 7 ...

Page 97: ...Schematic Diagrams 12 7 Samsung Electronics 12 7 TV 3 4 RED POWER LINE BLUE SIGNAL LINE ...

Page 98: ... h h h h h h h h h h h h g 1 g 1 g h h h h h h h h h h h h h h h h g 1 g 1 f h h h h h h h h h h h h h h h h h h h h h h h h h h gJ gJ X h h h h h h h h h h h h h h h h h gJ gJ h h h h h h h h h h h h h h h h h h h h h h h h h h h gN gN f h h h h h h h h h h h h h h h h h gN gN f h h h h h h h h h h h h h h h h h h h h h h h h h h h g 5 g 5 f h h h h h h h h h h h h h h h h h g 5 g 5 f h h h h h h...

Page 99: ...fJ 5 V X W Y V4 0Y K K N 6Xe W2 6X 6Xe g f J 6X g W2 6Xg 1e W MI X I X L e J f 7 1 L e J 7 e 1f J 5 L 7 H N 1 eN 1 1 e 7 f 1 e 7 Le f 7 H W2 6X he J 1 f eJ 5 LeJ f 6X LeJ 3 K gJ 5 7 I4 he L f O Y 1e7 f 0MI 1 1e7 V4 6Xf7 H 3 N 31 f e e hN e fI 1e J 5e V4 6X he N 3 L J 5 I X 3 5 hJ 3 5 N e 7 Hg 1 he 3 V KO Y eN 1 N H 6KO 5 3 5 N H 3 e 5eJ 5 e 6K 5 he J V4 V4 0Y e e e V4 0Y N 0Y e e V4 0Ye7 H e V4 0Y...

Page 100: ...Schematic Diagrams 12 10 Samsung Electronics 12 15 FRONT A V 12 14 MASTER 12 13 CONTROL 12 12 TTX RED POWER LINE BLUE SIGNAL LINE ...

Page 101: ...3 5 100 2 5 2 5 2 5 ICM301 PLAY REC STOP 1 5 5 5 2 0 0 0 3 5 5 5 4 5 5 5 5 5 5 5 6 5 5 5 7 5 5 5 8 5 5 5 9 5 5 0 10 5 5 0 11 0 0 0 12 0 0 0 13 0 0 0 14 5 5 5 15 3 5 3 5 3 5 16 4 5 4 5 4 5 17 0 0 0 18 4 5 4 5 4 5 19 3 5 3 5 3 5 20 5 5 5 21 0 0 0 22 0 0 0 23 0 0 0 24 5 5 0 25 5 5 0 26 0 0 0 27 5 5 5 28 5 5 5 29 5 5 0 30 0 0 0 31 0 0 0 32 5 5 5 33 0 0 0 PLAY REC STOP 34 0 0 0 35 0 0 0 36 0 0 0 37 0 0...

Page 102: ...NO PIN NAME STAND BY POWER ON 1 DAR IN 299 290 2 GND 3 VCC 19 5 20 3 4 VFB 0 2 1 3 5 SYNC 0 8 6 7 Units Volts IC801 PC123Y Units Volts PIN NO STAND BY POWER 1 16 5 16 7 2 15 4 15 7 3 GND GND 4 0 2 1 3 IC501 TDA6107Q Units Volts PIN NO PIN NAME VOLTAGES V 1 B IN 2 4 2 R IN 2 4 3 G IN 2 5 4 GND 5 lom 5 4 6 Vdd 166 7 G OUT 90 115 8 R OUT 93 118 9 B OUT 97 119 TIC01 SAA5254 Units Volts PIN NO PIN NAME...

Page 103: ...LTER 2 4 6 IF VIDEO OUTPUT 3 2 7 SCL 4 8 8 SDA 4 8 9 BANDGAP DECOUPLING 6 6 10 CHROMA INPUT 11 Y CVBS INPUT 3 3 12 MAIN POSITIVE SUPPLY 8 0 13 INT CVBS INPUT 3 9 14 GND 15 AUDIO OUT 3 0 16 SECAM DECOUPLING 17 EXT CVBS INPUT 3 3 18 BLACK CURRENT INPUT 5 0 19 BLUE OUTPUT 3 0 20 GREEN OUTPUT 3 2 21 RED OUTPUT 3 2 22 V GUARD INP BEAM CUR LIMITTER 2 0 23 RED INPUT 3 4 24 GREEN INTPUT 3 4 25 BLUE INTPUT...

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