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Samsung TB14A53X/RAD, Service Manual

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Samsung TB14A53X/RAD Service Manual Download Page 72

Alignment and Adjustments (Electrical)

Samsung Electronics

5-11

N O

L O C . N O

C O D E -N O

PARTS

SPEC

HI FI

MONO

R E M A R K S

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

  2401-000590

  COIL

  COIL

   COIL

     R
     R

     R
     R

     R
     R

     R

     R

     R
     R

     R

  2202-000632

  2401-001250
  2401-001250

  2202-000632
  2401-001513

  0402-000132
  3812-000219

  3812-000219

  3812-000219

  3812-000219

  3812-000219

3812-000219

2701-000002

2701-000002

2701-000002

2001-000472

2001-000577

2001-000995

2001-000472

2001-000508
2001-000281

  CM526

  CM527

  CM528

  CM529

  CM530

  DM501

  JM117

  JM155

  JM166

JM172

JM195

 JM240

LM501

 LM502

LM503

 RM501

RM502

 RM503
 RM504

RM505

 RM506

C-ELEC

C-AXIAL

 C-ELEC

C-ELEC

C-ELEC

C-AXIAL
C-ELEC

WIRE
WIRE

WIRE

WIRE

WIRE

WIRE

4.7uF,35V

104

4.7uF,35V

104
47uF,16V(105)
1N4004
JUMPER

JUMPER

JUMPER

JUMPER

JUMPER
JUMPER

100uH(AL04)

100uH(AL04)
100uH(AL04)

2.7K

820

2K

2.7K

220K
100

1uF,50V

X

X

X

X
X
X
X

X

O

O

O

O

O
O
O

O

O

O

O
O

O

X

O

O

O

O
O
O
O

O

X

X

X

X

X

X

X

X

X

X

X

X
X

O

CHANGE

MONO

MONO

MONO

MONO

MONO

MONO

MONO

MONO

HI FI

HI FI

HI FI

  3812-000219

JM186

WIRE

JUMPER

O

X

HI FI

HI FI

  3812-000219

  3812-000219

  3812-000219

3812-000219

  JM241

JM021

JM120

 JM145

WIRE

WIRE

WIRE

WIRE

JUMPER

JUMPER

JUMPER
JUMPER

O

O

O

O

X

X

X

X

HI FI

HI FI

HI FI

  3812-000219

JM013

WIRE

JUMPER

O

X

HI FI

HI FI

  3812-000219

3812-000219

JM167

 JM197

WIRE

WIRE

JUMPER
JUMPER

O

O

X

X

HI FI

  3812-000219

JM152

WIRE

JUMPER

O

X

HI FI

HI FI

HI FI

HI FI

HI FI

HI FI

HI FI

HI FI

HI FI

HI FI

HI FI

 C-RADIAL
   C-ELEC

 C-ELEC

  2001-000281

2001-000660

2001-000290

2001-000786

2301-000383

2401-001250

2401-000922

 RM510

 RM507

RM511

 RM512

CM522

 CM523
 CM524

CM525

100

33K
10K

47K

O

O
O
O

X

X
X

X

103,50V(P)

4.7uF,35V

22uF,16V

O

O
O

X

X

X

HI FI

HI FI

HI FI

HI FI

2001-000786

RM513

47K

O

X

HI FI

HI FI

HI FI

HI FI

Summary of Contents for TB14A53X/RAD

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

Page 2: ...ts 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 unit s 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 ...

Page 3: ...EW time Less than 100 seconds 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...

Page 4: ...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 5: ... 1 Œ ˇ ˆ Ø Fig 4 1 Top parts Location 1 Œ GEAR FL CAM MOTOR LOADING ASS Y ˇ LEVER FL ARM ASS Y HOLDER FL CASSETTE ASS Y ˆ LEVER FL DOOR Ø SLIDER FL DRIVE 4 Disassembly and Reassembly 4 1 Deck Parts Locations 4 1 1 Top View ...

Page 6: ...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 7: ...L SW 2 AV CF 1 5 AA64 00018A WINDOW REMOCON TVN 502V PC VIOLET 1 1 6 AA64 00012A INDICATOR LED TVN 502V PC CLEAR 1 1 7 6003 000333 SCREW TAPTITE RH 2S M3 L10 ZPC YEL SW 2 IND CF 1 8 AA64 00051E PANEL CONTROL 14A5 MAST HIPS V0 BLK 1 2 AA03 10002N CRT COLOR A34KQV42X 300MG 14 90DEG 5 1 2 1 AA65 30016A CLAMP D COIL NYLON 66 V0 NTR DADH 36 2 2 2 AA60 10050R SCREW ASSY SWRCH18A M5 L31 5 HH WC 4 CRT 2 3...

Page 8: ...1 2401 000030 C AL 22uF 20 25V GP TP 5x11 5 4 C102 2202 000127 C CERAMIC MLC AXIAL 10nF 80 20 25V Y5V 4 C107 2202 000807 C CERAMIC MLC AXIAL 22nF 80 20 25V Y5V 4 C108 2401 000962 C AL 22uF 20 50V GP TP 5x11 5 4 C109 2202 000632 C CERAMIC MLC AXIAL 100nF 20 50V Z5U TP 4 C112 2305 000196 C FILM MPEF 150nF 5 63V TP 5mm 4 C201 2401 002619 C AL 47uF 20 25V GP TP 5x11 5 4 C202 2305 000412 C FILM MPEF 47...

Page 9: ... high is high The decoded signal goes to IC701 pin 2 where it is fed to IC 701 pin 4 high output of micom s pin 8 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 8 AV tuner Then it goes to the module deck pin 4 for recording...

Page 10: ...10 Wiring Diagram 10 1 C15C Wiring Diagram Wiring Diagram Samsung Electronics 10 1 ...

Page 11: ...Schematic Diagrams 11 1 Samsung Electronics 11 Schematic Diagrams 11 1 VCR SECAM BLOCK Power Line Signal Line ...

Page 12: ...Schematic Diagrams 11 2 Samsung Electronics 11 2 VCR SYSTEM BLOCK TP4 TP2 TP6 TP5 TP1 TP3 TP1 TP2 TP3 TP4 TP5 TP6 ...

Page 13: ...TP1 TP2 TP3 TP5 TP4 Schematic Diagrams 11 3 Samsung Electronics 11 3 VCR A V BLOCK TP1 TP2 TP3 TP4 TP5 ...

Page 14: ...Schematic Diagrams 11 4 Samsung Electronics 11 4 VCR POWER BLOCK Power Line Signal Line ...

Page 15: ...Schematic Diagrams 11 5 Samsung Electronics 11 5 TV MAIN 1 4 Power Line Signal Line TP1 TP2 TP3 TP4 TP5 ...

Page 16: ...Schematic Diagrams 11 6 Samsung Electronics 11 6 TV MAIN 2 4 TP2 TP1 TP3 TP6 TP4 TP5 Power Line Signal Line TP1 TP2 TP3 TP4 TP5 TP6 ...

Page 17: ...Schematic Diagrams 11 7 Samsung Electronics 11 7 TV MAIN 3 4 TP1 TP2 TP3 TP4 TP5 TP6 TP12 TP11 TP 8 TP 7 Power Line Signal Line ...

Page 18: ...Schematic Diagrams 11 8 Samsung Electronics 11 8 TV MAIN 4 4 Power Line Signal Line ...

Page 19: ...Schematic Diagrams 11 9 Samsung Electronics 11 9 TUNER IF NICAM STEREO Power Line Signal Line ...

Page 20: ...Schematic Diagrams 11 10 Samsung Electronics 11 10 2 nd IF STEREO Power Line Signal Line ...

Page 21: ...Schematic Diagrams 11 11 Samsung Electronics 11 13 2 nd IF PAL SECAM B G D K I OPTION MONO 11 11 IF MONO 11 12 CRT TP1 TP2 TP3 TP3 TP2 TP1 Power Line Signal Line ...

Page 22: ...Schematic Diagrams 11 12 Samsung Electronics 11 16 FRONT A V MONO 11 14 MASTER 11 15 CONTROL 11 17 FRONT A V STEREO Power Line Signal Line ...

Page 23: ... 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 5 5 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 0 38 5 5 5 39 5 5 5 40 0 0 0 41 5 5 5 42 5 5 5 43 5 5 5 44 5 5 5 45 0 0 0 46 0 0 0 47 0 0 0 48 5 5 5 49 5 5 5 50 5 5 5 51 5 5 5...

Page 24: ...CVBS1 1 3 60 S L CTL 25 BLACK 0 48 61 62 SCL TV CS 2 3 26 IREF 1 3 63 64 SDA 2 2 OSD G Q801 KA3S0680RF PIN 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...

Page 25: ...PUT 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 3 4 26 RGB INSERTION SWITCH INP 0 1 27 LUMINANCE INPUT 2 6 28 LUMINANCE OUTPUT 2 6 29 B Y OUTPUT 30 R Y OUTPUT PI N NO P I N NA M E V O L T AG E S V 31 B...

Page 26: ...Wiring Diagram 10 2 Samsung Electronics 10 2 C15C Wiring Diagram ...

Page 27: ... 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 28: ...S L 2 C15COPTION IC702 8 6 REC SOURCE A TUNER L L HC002 H 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 conn...

Page 29: ...5C Audio Block Diagram Only Stereo ANT MICOM SDA SCL 1 Tuner Nicam Module MSP 3410 EXT L EXT L EXT L EXT R EXT R EXT R OPTION TDA 7297 Decoder Module Deck 2Tuner IF Module TDA9874 REC R REC L 2F IC601 IC602 2Tuner L 2Tuner R PB R PB L INT L INT R ...

Page 30: ...00005 DIODE SWITCHING 1N4148 100V 200mA DO 35 4 D209 0401 000005 DIODE SWITCHING 1N4148 100V 200mA DO 35 4 D210 0401 000005 DIODE SWITCHING 1N4148 100V 200mA DO 35 4 D401 0402 000132 DIODE RECTIFIER 1N4004 400V 1A DO 41 TP 4 D402 0402 000132 DIODE RECTIFIER 1N4004 400V 1A DO 41 TP 4 D403 0402 000540 DIODE RECTIFIER RU20A 600V 1 5A TP 4 D404 0402 000546 DIODE RECTIFIER TVR10G 400V 1 0A DO 41 T 4 D4...

Page 31: ...53 2001 000449 R CARBON 2 2KOHM 5 1 8W AA TP 1 8X3 2M 4 R254 2001 000734 R CARBON 4 7KOHM 5 1 8W AA TP 1 8X3 2M 4 R255 2001 000832 R CARBON 510OHM 5 1 8W AA TP 1 8X3 2MM 4 R256 2001 000734 R CARBON 4 7KOHM 5 1 8W AA TP 1 8X3 2M 4 R257 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM 4 R261 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM 4 R264 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM ...

Page 32: ... 6 0 6 5MHz 1dB 4 ZK01 2903 000184 FILTER CERAMIC BP 5 5MHz 120KHz 6dB TP 2 AA98 60002E ASSY SUB PART SCV11D MAIN ALL S N A 3 0202 000187 SOLDER WIRE FLUX RS60S D1 2 63Sn 37Pb S N A 2 AA60 10008A SCREW TAPPING SWRCH18A M3 L10 TH 2 AA63 00285B SHIELD CASE SPTE T 0 5 C15C TF14B5 S N A 2 AA63 40279A SHIELD CASE IF SPTE T0 25 SCT53A CW764 S N A 2 AA65 30013A CLAMP WIRE NYLON 66 V0 NTR DAWH 45N S N A 2...

Page 33: ...BLE FLAT 30V 80C 130mm 5P 1 25mm UL289 3 FLM301 AA26 10006C TRANS IF 7MF BIAS 2 4MH 7MM 65 3KHZ 3 GPM001 AA63 40311A GROUND PLATE POB PBS T0 3 TVN334V S N A 3 ICM101 AA96 00111L ASSY H S AA62 30013L KA78R12 S N A 4 1203 000165 IC POSI ADJUST REG 78R12 TO 220 3P 4 6003 000333 SCREW TAPTITE RH 2S M3 L10 ZPC YEL SW S N A 4 AA62 30013L HEATSINK ES 44 22 WHT S N A 3 ICM102 AA96 50152D ASSY H S MAIN AA6...

Page 34: ...6 2401 002619 C AL 47uF 20 25V GP TP 5x11 5 4 CM617 2401 002619 C AL 47uF 20 25V GP TP 5x11 5 4 CM621 2401 000302 C AL 100uF 20 25V GP TP 6 3x11 5 4 CM622 2202 000127 C CERAMIC MLC AXIAL 10nF 80 20 25V Y5V 4 CM623 2401 000302 C AL 100uF 20 25V GP TP 6 3x11 5 4 CM624 2202 000127 C CERAMIC MLC AXIAL 10nF 80 20 25V Y5V 4 CM627 2401 002009 C AL 100uF 20 16V GP TP 6 3x7 5 4 CM628 2202 000127 C CERAMIC ...

Page 35: ...001 000864 R CARBON 56KOHM 5 1 8W AA TP 1 8X3 2MM 4 RM604 2001 000660 R CARBON 33KOHM 5 1 8W AA TP 1 8X3 2MM 4 RM605 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM 4 RM606 2001 000864 R CARBON 56KOHM 5 1 8W AA TP 1 8X3 2MM 4 RM607 2001 000864 R CARBON 56KOHM 5 1 8W AA TP 1 8X3 2MM 4 RM608 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM 4 RM609 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM...

Page 36: ...SWM612 3404 000244 SWITCH TACT 15V 20mA 90 170gf 7 5x7mm SP 4 VRM601 2103 000669 VR SEMI 10Kohm 25 1 5W TOP 4 XTM301 2801 000277 CRYSTAL UNIT 4 433619MHz 8ppm 28 AAM S 1 4 XTM601 2801 003750 CRYSTAL UNIT 8MHZ 30PPM 28 AAA 22PF 80OH 4 ZDM101 0403 001373 DIODE ZENER MTZJ5 1A 4 81V 5 07V 500mW D 4 ZDM102 0403 000720 DIODE ZENER MTZJ9 1B 9 1V 8 57 9 01V 500 4 ZDM601 0403 001211 DIODE ZENER MTZJ12B 11 ...

Page 37: ...EAD ACE ASS PPS TS 10 G510 6006 001075 SCREW ASS TAPT WSP PH M2 6 L5 0 ZPC G520 AC66 00033A LEVER 9 GUIDE ASS TS 10 G527 AC61 60553A SPRING 9 GUIDE ES SUS304 WPB OD3 1 0 G530 AC33 00007A HEAD FE HVFHPOO43A G546 AC66 00005A LEVER FL DOOR TS 10 POM NAT G555 AC66 00032A LEVER UNIT PINCH ASS TS 10 G680 AC66 00046A LEVER HEAD CLEANER ASS TS 10 POM URETH G681 AC61 50686A SLEEVE HEAD CLEANER POM TS K110 ...

Page 38: ...8 AC66 00017A LEVER PINCH DRIVE TS 10 SECC E20 20 1 0 B478 AC66 00016A LEVER TENSION DRIVE TS 10 SECC E20 20 1 B484 AC66 00030A GEAR LOADING DR ASS TS 10 POM SWPB B488 AC66 00023A LEVER S LOADING TS 10 POM NAT B489 AC66 00021A LINK LOADING S TS 10 SECC E20 20 0 8 B500 AC66 00024A LEVER T LOADING TS 10 POM NAT B501 AC66 00022A LINK LOADING T TS 10 SECC E20 20 0 8 B560 AC31 00010A MOTOR CAPSTAN SANK...

Page 39: ... 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 40: ...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 41: ...yback 3 See Audio Block Diagram 6 6 RF Weak Signal Playback AV Mode OK 1 Check Tuner TU01S B Check 9V IC807 33V DZ803 Check 5V IC902S 2 Pre AMP HC001S B Check 9V IC807 6 7 Recording Defect 1 CN101 Check Retouch 2 2nd Tuner TU02S B Check 33V DZ803 5V IC808 3 2nd If Check 9V IC806 Video out Audio out 4 Video Defect IC701 Check 5 Audio Defect IC701 Check 6 Standby Recording Defect IC901S 5 Line Check...

Page 42: ...IC201S 41 3 Check the R Y B Y Line IC201S 29 32 4 Check crystal X202 4 43361MHz 6 9 No Vertical SCAN 1 Check R410 D404 2 Check IC301 7 3 Check IC201S 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 IC901S 2 D905 Q901 DZ901 2 Check IC901S 37 R949 IC903 ...

Page 43: ...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 44: ...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 45: ...ee Audio Mising in Record Mode D REC H ICM601 66 Low Check ICM601 Rec 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 46: ...5 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 Capstan Does Not Rotate F FWD Rotate Load VCR With a Tape and Press F Fwd Button Yes ...

Page 47: ...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 48: ...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 Rec SW Logic ICM601 No Change Tape Replace Check Mechanism Play Speed Capstan Motor Yes ...

Page 49: ...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 15 LOW ICM602 13 HIGH Check ICM601 No ...

Page 50: ...oting Samsung Electronics 6 13 6 19 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 51: ...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 52: ...Drum Does Not Rotate No Check 12V at AL15V of Power Supply Check 12V ICM602 9 21 Place the VCR In Play Mode Yes No Replace XTM601 CM609 CM610 Faster Check D FG D PG ICM601 96 97Square Wave Slower 8 MHz XTM601 CYL Speed Check Cylinder Motor Yes Yes ...

Page 53: ...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 54: ...ectronics 6 17 6 23 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 55: ...sung Electronics 6 24 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 56: ...nics 6 19 6 25 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 57: ... DATA No Check ICM301 pin 1 PB Audio Signal Small Signal Check PC 5V Line Yes Yes Yes Yes Yes No Check VCR MICOM ICM601 pin27 28 No Check A C Head and PB EQ Block AUDIO HEAD AZIMUTH No Check CM301 Check ICM301 pin100 PB audio signal Small Signal No Replace ICM301 Check ICM301 pin96 PB Audio Signal No No Check RM510 RM511 CM528 Check ICM501 pin54 PB Audio signal Yes Check ICM501 pin56 58 out put Au...

Page 58: ...PC 5V Line No No Replace ICM301 Check ICM301 pin7 REC audio signal Check ICM501 53pin MONO out No Check ICM501 Hi Fi PART Yes Place VCR in REC Mode Replace CNM302 Yes No Check TV part NICAM Block ICM02 Check CNM302 Pin5 No Check A C Head Assembly Yes Check FLM501 Pin5 REC bias signal Check CM370 RM357 RM358 CM371 CM373 CM372 QM312 RM359 ...

Page 59: ...IN 5V 24PIN GND RM501 RM502 CYLINDER ASSY CHECK ICM501 31 32PIN CLOCK DATA ICM601 27 28PIN CLOCK DATA PLACE VCR IN PLAY MODE Yes HI FI DET ICM501 17PIN PB FM ICM501 18PIN Yes No REPLACE ICM501 No Yes Yes OUT PUT SIGNAL ICM501 56 58PIN CHECK SIGNAL ICM501 4 46PIN Check TV NICAM PART Sound Block Yes Yes CHECK ICM501 8PIN A MUTE ...

Page 60: ...29 Audio Missing In Rec Mode Hi Fi No No CHECK ICM501 31 32 CLOCK DATA 14 20 30 36 51 5V 60 9V Yes CHECK INPUT SIGNAL ICM501 52 61 PIN REC FM ICM501 18PIN Yes Yes Check CYLINDER ASSY REPLACE ICM501 CHECK TV NICAM PART ICM02 PLACE VCR IN REC MODE ...

Page 61: ...Troubleshooting 6 24 Samsung Electronics MEMO ...

Page 62: ...gence 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 FACTORY 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 SERVICE FACTORY message will ...

Page 63: ...SC VERTICAL SHIFT NTSC HORIZONTAL SHIFT Table 5 1 Main Adjustment Parameters 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 the TV power...

Page 64: ...ment and Adjustments Electrical Samsung Electronics 5 3 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 1 3 P STD CUSTOM 4 Auto Power OFF 5 NR OFF 6 Reserved Timer Recording ALL CLEAR 7 Skip Store Clear ALL CLEAR Caution When the EEPROM is replaced all items revert to their initial ...

Page 65: ...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 66: ... for at least 20 minutes 2 Plug in the CRT deflection yoke and 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 p...

Page 67: ...es 3 Check the data in the Service Mode 4 Adjust RG BG in the Factory Mode 5 4 7 B LOW LIGHT ADJUSTMENT 1 Automatically accomplished during the high light adjustment 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 Adjust...

Page 68: ...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 69: ...t is available 5 5 2 Required Test Equipment 1 Color Television 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 s...

Page 70: ...top Play position 5 Min over MAIN Break ON MODE High speed Rew 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 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 71: ...L 6P 104 1uF 50V KSC815 Y 100K 820 JUMPER JUMPER JUMPER 1N4148 LA72634AM 100uF 16V 104 10uF 35V 1uF 50V 22uF 16V 4 7uF 35V 22uF 16V 103 22uF 16V 332 50V P 472 50V P 10P 7 5K 6 2K 7 5K 6 2K 82pF 22pF X X X X X X X X X O O O O O O O O O O O O O O X O X O O X O O O O O O O O O X X X X X X X X X X X X X X O X O X X O CHANGE CHANGE CHANGE CHANGE CHANGE CHANGE MONO MONO MONO MONO MONO MONO MONO MONO HI ...

Page 72: ...N4004 JUMPER JUMPER JUMPER JUMPER JUMPER JUMPER 100uH AL04 100uH AL04 100uH AL04 2 7K 820 2K 2 7K 220K 100 1uF 50V X X X X X X X X O O O O O O O O O O O O O X O O O O O O O O X X X X X X X X X X X X X O CHANGE MONO MONO MONO MONO MONO MONO MONO MONO HI FI HI FI HI FI 3812 000219 JM186 WIRE JUMPER O X HI FI HI FI 3812 000219 3812 000219 3812 000219 3812 000219 JM241 JM021 JM120 JM145 WIRE WIRE WIRE...

Page 73: ... 000005 KSR1004 91K 1N4148 KSR1004 270 1N4148 O O X X X O 1N4148 O O O X X X O O x x X X X O x X X O O O X X 4HEAD 4HEAD 2HD LP 2HD LP 2HD LP 2HD LP MESECAM RM626 2001 000429 1K X X X O 4HEAD 5 5 5 SCORPIO PAL OPTION TABLE NO L O C NO C O D E NO PARTS SPEC HI FI MONO R E MA R K S 75 76 77 78 79 R R R R R 2001 000766 RM516 43K O X HI FI 2001 000878 2001 000766 2001 000878 AA39 20005B RM517 RM518 RM...

Page 74: ... 50V P 103 50V P 2 2uF 50V 181 50V 1uF 50V 104 103 104 1N4148 1N4148 LA7359 820 50V O O O O O O O O O O O O O O O O O O O O O O X X X X X X X X X X X X X X X X X X X X X X SECAM SECAM SECAM SECAM SECAM SECAM SECAM SECAM SECAM SECAM SECAM SECAM SECAM SECAM SECAM SECAM SECAM SECAM SECAM SECAM SECAM SECAM WIRE C AXIAL C RADIAL C RADIAL C RADIAL C RADIAL C RADIAL 3812 000219 3812 000219 3812 000219 38...

Page 75: ...M922 C RADIAL C ELEC C AXIAL C ELEC C ELEC C ELEC C ELEC C AXIAL C AXIAL C AXIAL C AXIAL C AXIAL C AXIAL C AXIAL C RADIAL C RADIAL C RADIAL C RADIAL C RADIAL 6 8K 7 5K 51K 4 3K 30K 6 8K 1K 360 47K 100 24K 9 1K 8 2K 150K 4 7K 24K 120K 1K 24K O O O O O O O O O O O O O O O O O O O X X X X X X X X X X X X X X X X X X X SECAM SECAM SECAM SECAM SECAM SECAM SECAM SECAM SECAM SECAM SECAM SECAM SECAM SECAM...

Page 76: ... O C NO C O D E NO SPEC PARTS WITH WITH OUT R E MA R K S 1 2 3 4 5 6 8 7 CM330 CM369 CM385 CM388 CM607 CM608 DM716 CM646 RM379 RM608 RM617 RM692 RM695 XTM302 XTM602 10 11 12 13 14 15 16 17 18 19 20 21 22 ICM604 LM311 RM326 RM337 RM374 9 DM717 RM375 5 5 7 USELESS TABLE ...

Page 77: ...Alignment and Adjustments Electrical 5 16 Samsung Electronics MEMO ...

Page 78: ... ˇ ˆ Ø Ô Ò Fig 4 2 Top Parts Location 2 Œ FE HEAD CYLINDER ASS Y ˇ ACE HEAD ASS Y LEVER UNIT PINCH ASS Y ˆ LEVER 9 GUIDE ASS Y Ø LEVER TENSION ASS Y BAND BRAKE ASS Y DISK S REEL LEVER S BRAKE ASS Y GEAR IDLE Ô LEVER IDLE LEVER T BRAKE ASS Y Ò DISK T REEL ...

Page 79: ...lectronics 4 3 4 1 2 Bottom View Œ ˇ ˆ Ø Fig 4 3 Bottom Parts Location Œ GEAR JOINT 1 GEAR JOINT 2 ˇ BRACKET 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 ...

Page 80: ... y Πas grasping the Holder FL Cassette Ass y Πand Lever FL Cassette R in the same time to release hooking from Main Base until the Boss A of Holder FL Cassette Ass y Πis taken out from the Rail B 3 Lift the Holder FL Cassette Ass y Πin this time you have to grasp the Lever FL Cassette R Continuously until the Holder FL Cassette Ass y Πis taken out completely Note Be sure to insert Lever FL Ca...

Page 81: ...2 3 Slider FL Drive Gear FL Cam Removal 1 Pull the Slider FL Drive Πto the front direction 2 Remove the Slider FL Drive Πin the direction of arrow Refer to Fig 1 6 3 Remove the Gear FL cam Note When reinstalling be sure to reassemble Slider FL drive Πafter you insert the Boss of Lever FL ARM R in Groove of Slider Fl drive ΠAssembly Align the Gear FL Cam Πwith the Gear worm wheel Post as shown...

Page 82: ... Gear Worm Wheel Removal 1 Remove the Gear Worm wheel ΠΠGEAR WORM WHEEL Fig 4 9 Gear Worm Wheel Removal 4 2 6 Motor Loading Ass y Removal 1 Remove the screw Π2 Remove the Motor Loading Ass y MOTOR LOADING ASS Y ΠSCREW Fig 4 10 Motor Loading Ass y Removal ...

Page 83: ... GEAR JOINT 2 4 2 8 Gear Loading Drive Slider Cam Lever Load S T Ass y Removal 1 Remove the Belt Pulley Refer to Fig 4 30 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 Load ˇ Link Load ˆ Lever Load Link Load Ø Œ GEAR LOADING DRIVE ˆ LINK LOAD S ˇ LEVER LOAD S LEVER LOAD T Ø LINK LOAD T SLIDE CAM...

Page 84: ...t of Gear Loading Drive Refer to Timing Point 2 4 Aline dot of Gear Loading drive with mark of Slider Cam ˇ as shown in drawing Refer to Timing Point 3 LEVER LOAD S Œ LEVER LOAD T LEVER LOAD S LEVER LOAD T PIN A PIN C PIN B PIN D ˇ SLIDER CAM TIMING POINT 2 TIMING POINT 1 TIMING POINT 3 4 2 10 Lever Pinch Drive Lever Tension Drive Removal 1 Remove the Lever Pinch Drive Œ Lever Tension Drive Œ LEVE...

Page 85: ...n Ass y seated Rotate stopper of Main Base to the Mark B Œ SPRING TENTION LEVER STOPPER MARK B A LEVER TENTION ASS Y ˇ BAND BRAKE ASS Y 4 2 12 Lever Brake S T Ass y Removal 1 Release the Hook A and the Hook B C in the direction of arrow as shown in Fig 4 17 2 Lift the Lever S T Brake Ass y Œ with spring brake ˇ Assembly 1 Assembly the Lever S Brake Ass y Œ on the Main Base 2 Assembly the Lever T B...

Page 86: ...in the direction of arrow A B 2 Lift the Lever Idle ΠAssembly 1 Apply oil in two Bosses of Lever Idle Π2 Assemble the Gear Idle with the Lever Idle ΠNote When replacing the Gear Idle be sure to add oil in the boss of Lever Idle Π4 2 14 Disk S T Reel Removal 1 Lift the Disk S T Reel ΠGEAR IDLE GEAR IDLE ΠLEVER IDLE A HOOK C B Fig 4 18 Gear Idle Ass y Removal ...

Page 87: ...ion of arrow as shown Fig 4 21 and lift the Lever Up Down Ass y Π2 Lift the Gear Center Ass y Assembly 1 Insert the Lever Up Down Ass y Πin the rectan gular holes on Main Base as shown in Fig 4 22 2 Lift the Lever Up Down Ass y Πabout 35 Refer to Fig 4 22 3 Insert Ring of the Gear Center Ass y in the Guide of the Lever Up Down Ass y Π4 Insert the Gear Center Ass y in the post on Main Base 5 Pu...

Page 88: ...e extreme care not to touch the grease on the Roller Pinch 2 When reinstalling be sure to apply grease on the post pinch roller ˇ SPRING PINCH DRIVE Œ LEVER UNIT PINCH ASS Y PLATE JOINT Fig 4 23 Guide Cassette Door Removal Fig 4 24 Lever Unit Pinch Ass y Plate Joint Spring Pinch Drive Removal 4 2 17 Guide Cassette Door Removal 1 Lift the Hook A 2 Rotate the Guide Cassette Door Œ in the direction o...

Page 89: ...e direction of arrow A Note 1 Take extreme care not to get grease on the tape Guide Post 2 After reinstalling check the bottom side of the Post 9 Guide to the top side of Main Base ΠSPRING 9 GUIDE LEVER 9 GUIDE ASS Y A B Fig 4 25 Lever 9 Guide Ass y Removal 4 2 20 FE Head Removal 1 Remove the screw Π2 Lift the FE Head ΠFE HEAD Fig 4 26 FE Head Removal ...

Page 90: ...connector of ACE Head Ass y 2 Remove the screw Π3 Lift the ACE Head Ass y ΠSCREW HEAD ACE ASS Y 4 2 22 Slider S T Ass y Removal 1 Move the Slider S T Ass y Πto slot and then lift it to remove Refer to arrow ΠSLIDER S ASS Y SLIDER T ASS Y Fig 4 27 ACE Head Removal Fig 4 28 Slider S T Ass y Removal ...

Page 91: ... Œ Note 1 Take care not to touch the Cylinder Ass y ˇ and the tape guide post at reinstalling 2 When reinstalling Don t push down too much on Screw Driver Œ 3 SCREWS PLATE GROUND DECK ˇ CYLINDER ASS Y Fig 4 29 Plate Ground Deck Cylinder Ass y Removal 4 2 24 Belt Pulley Removal 1 Remove the Belt Pulley Œ Note Take extreme care not to get grease on Belt Pulley Œ at assembling or reassembling Œ BELT ...

Page 92: ... DAMPER CAPSTAN ˇ MOTOR CAPSTAN ASS Y 4 2 27 How to Eject the Cassette Tape If the unit does not operate on condition that is inserted into housing ass y 1 Turn the Gear worm Œ clockwise with screw driver Refer to arrow Other method Remove the Screw of Motor Load Ass y Separate the Motor Load Ass y Œ GEAR WORM Fig 4 32 Damper Capstan Motor Capstan Ass y Removal Fig 4 33 2 When Slider S T are appro...

Page 93: ... 8 GUIDE SHAFT CAPSTAN SHAFT 9 GUIDE POST 3 GUIDE POST GUIDE ROLLER S T O O O O O O O CYLINDER ASS Y O O O O O O O O O FE HEAD O O O O O O O ACE HEAD O O O O O O O O O PINCH ROLLER O O O O O O O O O POST REEL S T SLEEVE TENSION POST CENTER LEVER IDLE BOSS 2Point CAPSTAN MOTOR PULLEY O O O O O BELT PULLEY O O O O O O O HOLDER CLUTCH ASS Y O O O O O O O O O GEAR CENTER ASS Y O O O O O O O O O GEAR I...

Page 94: ... 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 Lower fl...

Page 95: ...htly turn the screw A tilt adjust on the ACE head ass y 4 Reconfirm the ACE head height Fig 4 5 3 Tape Guide Check 4 5 1 c AUDIO AZIMUTH ADJUSTMENT 1 Load alignment tape Mono scope and playback the NTSC 7KHz PAL 6KHz signal 2 Connect channel 1 scope probe to audio output test point 3 Adjust screw B to achieve maximum audio level See Fig 4 5 1 4 5 1 d ACE HEAD POSITION X POINT ADJUSTMENT 1 See 2 Al...

Page 96: ...f the video RF envelope at the exit side 4 If the section A in Fig 4 5 5 does not meet the speci fication adjust the guide roller S up or down 5 If the section B in Fig 4 5 5 does not meet the speci fication adjust the guide roller T up or down Fig 4 5 4 Envelope Waveform Adjustment a a b c d c b d a 63 b c d Fig 4 5 5 Adjustment Points A B A B H D SWITCHING PULSE ENVELOPE 6 Play back the Mono Sco...

Page 97: ...n the unit using with T 120 E 120 The video envelope should meet the specification as shown in Fig 4 5 8 In SP mode A should equal B If the head gap is wide upper cylinder should be checked A B Fig 4 5 8 Envelope Output and Output Level 4 5 5 Tape Wrinkle Check 1 Run the T 160 E 180 tape in the playback FPS RPS and Pause modes and observe tape wrinkle at each guide 2 If excessive tape wrinkle is o...

Page 98: ...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 99: ...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 100: ...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 101: ... 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 102: ...MEMO 2 2 Samsung Electronics ...

Page 103: ...t appear 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 p...

Page 104: ...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 430V 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 105: ...trical 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 anti static 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 are ...

Page 106: ...ELECTRONICS Samsung Electronics Co Ltd Jun 2001 Printed in Korea AA68 01729A ...

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