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Schaub Lorenz SL0520KO, Service Manual, Page: 45 / 67

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Schaub Lorenz SL0520KO Service Manual Download Page 45

A

B

C

D

E

F

G

H

A

B

C

D

E

F

G

H

2

1

3

4

5

6

7

8

2

1

3

4

5

6

7

8

Q1004

KRC103SRTK

SW

Q1002

KRC103SRTK

CENT LED SW

IC1003

PST3231NR

SYSTEM RESET IC

1

2

3

4

5

SW1001

LSA-1144EAU

TAB SW

CP1001

TMC-J12P-B2

1

10

11

12

2

3

4

5

6

7

8

9

IC1099_1

AT24C08AN-10SI-2.7

EEP ROM IC

1

2

3

4

5

6

7

8

D1003

LTE-3271T-012A-O

Q1009

RPI-352C40N

MS_SEN A

1

2

3

4

Q1003

RPI-352C40N

MS_SEN B

1

2

3

4

CAUTION: DIGITAL TRANSISTOR

C1016

47

6.3V

KANP

IC1006

OEC0134A

SYSCON/TIMER/SERVO IC

110

101

102

103

104

105

106

107

108

109

112

111

1

10

100

11

12

13

14

15

16

17

18

19

2

20

21

22

23

24

25

26

27

28

29

3

30

31

32

33

34

35

36

37

38

39

4

40

41

42

43

44

45

46

47

48

49

5

50

51

52

53

54

55

56

57

58

59

6

60

61

62

63

64

65

66

67

68

69

7

70

71

72

73

74

75

76

77

78

79

8

80

81

82

83

84

85

86

87

88

89

9

90

91

92

93

94

95

96

97

98

99

Q1001

RPI-303

REEL SENSOR

1

2

3

4

Q1005

RPI-303

REEL SENSOR

1

2

3

4

Q1006

ST-304L

EOT SENSOR

Q1017

ST-304L

BOT SENSOR

B1002

W5RH3.5X5X1.0

B1001

W5RH3.5X5X1.0

OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE

NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME

X1001

100CT01002

10MHz

X1002

100DA32R01

32.768KMz

L1001 12uH

C1005_1

22

16V

KA

C1003

0.1F

5.5V

C1021

33

25V

YK

C1090_1

22

16V

KA

C1013_1

22

16V

KA

C1022

0.0039

B

C1008

0.18

B

C1073

0.01 B

C1078

0.1

B

C1052

0.1

B

C1071

68P

CH

C1072

68P CH

C1030

0.1 F

C1020

180P CH

C1031

180P CH

C1017

0.1

B

C1063

220P CH

C1001

220P

CH

C1044

0.01 B

C1043

0.1

B

C1062

0.1

B

C1074

0.01 B

C1069

22P CH

C1019

0.1

B

C1018

220P

CH

C1035

1

B

C1050

100P

CH

C1056

100P

CH

C1026

18P

CH

C1028

18P

CH

C1024

15P

CH

C1081

0.001 B

C1014

0.1

F

C1023

0.1

B

C1082

0.1

B

C1010

0.001

B

C1067

0.1

B

C1007

0.0047 B

C1004

0.1

B

C1060

0.1 B

C1040

0.0068

B

C1038 15P

CH

C1027

0.1

B

C1002

0.022

B

C1012

0.0039

B

C1006

0.001

B

C1033

180P CH

C1015

0.0018 B

C1009

0.022

B

C1092

0.001

B

C1025

12P

CH

C1055

330P CH

C1051

0.001

B

C1046

680P

B

R1075

1K

1/2W

R1061

3.3K

1/4W

R1031

22K 1/4W

R1057

5.6K

R1039

22K

R1053

1K

R1024

18K

R1066

1K 1/4W

R1001_1

1.8M

1/2W

R1017

560

R1054

270

R1009

270

R1012

270

R1069

5.6K 1/4W

R1096

1K

R1073

680

R1072

680

R1062

4.7K

R1011

220K

R1029

1K

R1068

22K

1/4W

R1048

220 1/4W

R1042

4.7K

1/4W

R1077

10K 1/4W

R1035

22K

R1026

10K

R1087

33K

R1050

100

1/4W

R1083

33K

R1051

5.6K

R1002

120

1/4W

R1027

10K

R1082

22K

1/4W

R1049

4.7K

R1008

1K

R1064

56K

R1067

56K

R1014

15K 1/4W

R1006

47K

R1030

10K

R1022

68K

R1020

560

R1007

10K

R1028

6.8K

R1021 470

R1090

22K

R1094

1K

R1080

4.7K

R1070

10K

R1065

33K 1/4W

R1013

10K

R1074

680

R1045

3.3K

R1044

3.3K

R1019

47K

1/4W

R1078

4.7K

R1004
560 1/4W

R1015

22K 1/4W

R1010

4.7K

R1032

180K

1/4W

R1058

270

R1033

22K

R1059

1K

R1063

1.2K

R1023

22K

1/4W

C1032

47

16V

YK

C1011_1

33

10V

KA

C1048

4.7

50V

KA

C1047

47

16V

KA

C1070

220

6.3V

YK

C1093

100

6.3V

KA

Q1015

KTC3875S_Y_RTK

VD SW

Q1016

KTC3875S_Y_RTK

HD SW

W981

W892

W869

W867

TP1001

SERVICE

W915

(W107)

Q1007

2SA1037AK

BUFFER

DURING PLAYBACK.

MEASURED WITH THE DIGITAL TESTER

NOTE:THE DC VOLTAGE EACH PART WAS

Q1010

KRA103SRTK

SW

D1006

SB140-EIC

D1010

SB140-EIC

D1001

RB721Q-40

D1021

1SS133

D1004

1SS133

D1009

1SS133

CAUTION: DIGITAL TRANSISTOR

S812Y

AT+5.6V

GND

SDA

SCL

SCL

SDA

RESET

SCL

KEY_B

SDA

IIC_OFF

KEY_A

LDM_CTL

POWER_FAIL[DC]

CAP_LIMIT

VCR_POWER_H

P.CON+5V_A

AT+5V

STANDBY_H

REMOCON_IN

REC_LED

T-REC_LED

P.CON+5V

AT+12V

MOTOR_GND

VOL_CTL

CYL_DRIVE

TU_AUDIO_MUTE_H

CONTROL_IN

EXT_IN_L

CAP_F/R

TV_A_MUTE

OSD_Y VV_H

CENT_LED_CTL

VCR_A_MUTE

TEXT_RESET

V.REC_ST_H

TAB_SW

D_V_SYNC

V.REC_ST_H

PROTECT

SCL

EXT_IN_L

SDA

TV_POWER_H

REC_LED

TU_AUDIO_MUTE_H

H.SW

TUNER_ON/OFF

T-REC_LED

TUNER_ON/OFF

ENV_DET

VCR_A_MUTE

VCR_POWER_H

CTL+

STANDBY_H

CTL-

C.SYNC

BOT

VV_H

H_CTL

REMOCON_IN

GND

OSDR

OSDG

OSDB

REEL-T

FF/REW-L

REEL-S

C.SYNC

CYL_FG/PG

VD

EOT

H.SW

PROTECT

BOT

CYL_DRIVE

SDA

SCL

KEY_B

IIC_OFF

CONTROL_IN

KEY_A

AGC_M

D_V_SYNC

MS_SEN-B

H.SYNC

MS_SEN-A

V.SYNC

C.SYNC

AGC_M

CENT_LED_CTL

HD

TAB_SW

AT+5V

OSD_R

CTL+

OSD_G

OSD_B

CTL-

POWER_FAIL[DC]

OSD_Y

SCL

SDA

TEXT_RESET

FF/REW-L

ENV_DET

H.SYNC

V.SYNC

EOT

OSDB

OSDG

OSDR

TV_A_MUTE

CAP_F/R

VOL_CTL

RESET

CAP_LIMIT

M.P.OFF_H

TV_POWER_H

P.CON+5V_A

OSD_R

MS_SEN-B

MS_SEN-A

REEL-S

REEL-T

CONTROL_IN

OSD_G

LDM_CTL

CYL_FG/PG

H_CTL

CYL_DRIVE

VD

HD

OSD_B

FROM/TO Y/C/AUDIO/HEAD AMP

G-4

G-3

PCB010
VMB290

FROM/TO CAPSTAN DD UNIT

GND

VCC

CAP/M/F/R

MOTOR_GND

I LIMIT

CAP_FG

CAP_VCO

CYL/LAD_VCO

-

CAP_CTL

LDM_CTL

CYL_FG/PG

CYL_CTL

TO SECAM CHROMA

TO 21PIN/IN/OUT

NC

NC

5.2

15

SDA

SCL

VCC

0

0

0

0

4.3

4.7

0

5.1

A0

A1

A2

WP

GND

NC

NC

NC

NC

NC NC

NC

NC

NC

NC

0

4.7

NC

NC

FF/REW-L

H CONTROL

BB L

CAP_FWD-L

CAP_FULL

CYL_SPEED_UP

LDM_CTL

TRICK PB H

VCR_POWER_ON-H

DA RGB SW

TV_POWER_ON-H

V.REC.START-H

VCR_MUTE

VV-H

NC

NC

PAL-H

IIC_OFF

TUNER MUTE

VCC

55

56

EXT_IN-L

TV_MUTE

TEXT RESET

TAB_SW

REC/OTR_LED

T-REC_LED

ON_TIMER_LED

SERVICE

MESECAM_M

TUNER AGC

29

30

BOT

KEY_B

KEY_A

MSSEN_A

MSSEN_B

VODEO_ENV

AFT.S.CURVE

DEW

HIFI ENV

EOT

CAP_LIMIT

DEGAUSS

SYNC IN

REEL-T

REEL-S

SVSS

CTLREF

CTL(+)

CTL(-)

CTLBIAS

CTLFB

CTLAMP(0)

CTLSMT(I)

CFG

SVCC

AFCPC

AFCOSC

AFCLPF

HSYNC

VSYNC

CVIN2

CVIN1

OSDVCC

CVOUT

OSDVSS

4/2FSCOUT

4/2FSCIN

AVSS

AVCC

POWER_FAIL

REMOCON IN

YC0

R

G

B

VIDEO_H.SW

DRUM_PWM

CAP_PWM

DUMMY.V.SYNC

VSS

111

112

C.SYNC

VCC

CENT LED

VSS

X2

X1

OSC1

VSS

OSC2

VCL

MDO

FWE

0

0

5.2

0

CFG_IN2

85

VOLUME_PWM

86

11

12

13

14

16

17

18

5.1

4.9

PROTECT

FROM/TO T’TEXT/RGB SW

0

0

0

SECAM-L

SECAM REC-L

SP-H

PAL/SECAM

SECAM VL-H

FROM/TO POWER

NC

NC

MONI_SD

PLAY_LED

MICON SCHEMATIC DIAGRAM

(SYSCON PCB)

FROM/TO CHROMA/IF

FROM/TO DEFLECTION

STAND BY_LED

SI1

SO1

DEC_TU_SW

IIC_DATA

IIC_CLK

NC

NC

0.2

5.2

0

2.5

3.6

5.2

3.3 2.6

0

1.3

5.2

2.6

1.5

0

NC

NC

0

0

0

0

0

0

NC

0

0

0

0

0

NC

NC

4.9 4.9

0

5.2 5.2

0

5.2

0

5.2

0

5.2

5.2

0.1

0.1

4.1

4.1

0

0.6

0

5.0

2.2

0

0

5.2

0.5

4.7

5.2

5.0

5.2

5.1

2.4

0

5.2

5.1

1.4

0

0

0

0

0

0

0

0

NC

1.5

1.5

2.1

4.8

4.6

1.6

1.9

1.9

5.0

2.2

2.5

2.5

0.7

2.5

2.5

2.5

2.5

0

5.2

0.3

0

0

0

0

0

2.6

1.3

0

5.2

0

0

0

0

0

0

5.2

5.2

5.2

0.3

0

0

0

0

2.3

0

5.13

DFG

5.0

5.2

5.1

3.8

3.8

5.2

2.7

5.1

1.2

2.4

5.2

1.2

5.2

5.2

4.7

0.4

4.5

4.6

0

0.2

5.2

0.3

5.2

0.2

RES

5.2

4.1

TO SOUND AMP

NC

0

0

5.2

0

OUT

NC

NC

IN

GND

NC

5.2

NC

Summary of Contents for SL0520KO

Page 1: ...SERVICE MANUAL SL0520KO Design and specifications are subject to change without notice COLOR TELEVISION VIDEO CASSETTE RECORDER ORIGINAL MFR S VERSION B ...

Page 2: ...ether there are the portions which are deteriorated around the serviced places serviced or not Check the insulation between the antenna terminal or external metal and the AC cord plug blades And be sure the safety of that INSULATION CHECK PROCEDURE 1 2 3 4 Unplug the plug from the AC outlet Remove the antenna terminal on TV and turn on the TV Insulation resistance between the cord plug terminals a...

Page 3: ...direction of the arrow by hand to slacken the Video Tape Rotate the Clutch Ass y either of the directions to wind the Video Tape in the Cassette Case Repeat the above step 3 4 Then take out the Video Cassette from the Deck Chassis Be careful not to scratch on the tape TAPE REMOVAL METHOD AT NO POWER SUPPLY Pinch Roller Cam Main Cam Clutch Ass y Main Chassis Front Side Loading Motor Screw 1 Capstan...

Page 4: ...VAL OF VCR DECK PARTS 3 REMOVAL OF ANODE CAP 4 REMOVAL AND INSTALLATION OF FLAT PACKAGE IC KEY TO ABBREVIATIONS SERVICE MODE LIST PREVENTIVE CHECKS AND SERVICE INTERVALS WHEN REPLACING EEPROM MEMORY IC SERVICING FIXTURES AND TOOLS PREPARATION FOR SERVICING MECHANICAL ADJUSTMENTS ELECTRICAL ADJUSTMENTS BLOCK DIAGRAMS TV Y C AUDIO HEAD AMP 21PIN IN OUT MICON T TEXT RGB SW PRINTED CIRCUIT BOARDS SYSC...

Page 5: ...nd System 1Tuner Receive CH Destination CCIR HYPER Tuning System F Synth Input Impedance VHF UHF 75 ohm CH Coverage E2 E4 X Z 2 S1 S10 E5 E12 S11 S41 E21 E69 Intermediate Picture FP 38 9MHz Frequency Sound FS 33 4MHz FP FS 5 5MHZ Auto Tuning Method ALL Band Not CCIR CH Plan Preset CH 80CH Stereo Dual TV Sound No Tuner Sound Muting Yes G 4 Signal Video Signal Input Level 1 V p p 75 ohm Output Level...

Page 6: ...r Yes Tape Speed No Sleep Time Yes Control Volume Yes Level Brightness Contrast Sharpness Color Yes Tint No Bass Treble Balance No Manual Tracking Yes Play Stop FF Rew Rec OTR T Rec Pause Eject Tape In Symbol Mark Yes Auto Tracking Manual Tracking Yes S Repeat SR R SR PLAY No Index Yes Mute Yes Hi Fi No Repeat Yes Password No PDC No Zero Return No Dew No G 10 OSD Language English French Spanish Ge...

Page 7: ...o Enter Hold Yes Cancel Ch Skip No Cancel Ch Skip F T B Yes Index No Index Sub Page Yes Call Yes Text Mix TV Yes Sleep Timer Yes Mute Yes Zero Return Yes CM Skip No OTPB No END Call No Red No Cyan No Green No Yellow No Audio Select No G 13 Features Auto Head Cleaning Yes Auto Tracking Yes HQ VHS Standard High Quality Yes Auto Power On Auto Play Auto Rewind Auto Eject Yes Auto Shut Off Yes Auto Rep...

Page 8: ... Cord No AV Cord 2Pin 1Pin No 21pin RCA Cable No Registration Card No PTB Sheet No Anti Theft Sheet No Euro Warranty Information Sheet No G 15 Interface Switch Front Power Yes Play Yes Pause Still No System Select No One Touch Playback No Channel Up Yes Channel Down Yes F FWD Cue Yes Eject Stop Yes Main Power SW Yes Volume Up Yes Volume Down Yes Rew Rev Yes Rec OTR Yes Rear Main Power SW No Indica...

Page 9: ...in Gift Box Yes Material Double Brown Dimensions W x D x H mm 559 x 538 x 555 Design As per Buyer s Description of Origin No Drop Test Natural Dropping At 1 Corner 3 Edges 6 Surfaces Height cm 46 Container Stuffing 40 container 352 Sets G 19 Material Cabinet Front PS 94HB Rear PS 94HB Jack Panel PS 94V0 DECABROM PCB Non Halogen Demand No Eyelet Demand No G 20 Environment Pb Free Lead free Solder N...

Page 10: ...C SOURCE 1 2 Fig 1 2 1 3 TV VCR BLOCK Refer to Fig 1 3 1 2 3 4 Remove the 2 screws 1 Disconnect the following connectors CP302 CP402 CP501 and CP502 Unlock the support 2 Remove the TV VCR Block in the direction of arrow Fig 1 3 1 4 POWER PCB Refer to Fig 1 4 1 2 3 Remove the 3 screws 1 Disconnect the following connectors CP401A and CP851A Remove the Power PCB in the direction of arrow Fig 1 4 Remo...

Page 11: ...n PCB in the direction of arrow 1 7 JACK PLATE AND SYSCON PCB Refer to Fig 1 7 B1 2 Deck Shield Plate TV VCR Block B A Bottom Shield Plate 1 1 2 2 2 1 1 1 6 DECK CHASSIS Refer to Fig 1 6 NOTE Do not remove the cable at the FE Head section The FE Head may be damaged if you remove the cable by force 1 2 3 4 5 Remove the screw 1 Remove the FE Head Remove the 2 screws 2 Disconnect the following connec...

Page 12: ...e Locker R 1 2 3 Link Unit 2 4 LINK UNIT Refer to Fig 2 4 Set the Link Unit to the Eject position Unlock the support 1 Remove the A side of the Link Unit first then remove the B side 1 2 3 Fig 2 4 Fig 2 3 A Cassette Side L Cassette Side R 1 1 1 Locker R 1 Cassette Holder Locker Spring 2 A Link Unit Main Chassis 1 Link Unit B Main Chassis 1 1 NOTE 1 After the installation of the Top Bracket bend th...

Page 13: ...Fig 2 6 B is correct In case of the Loading Motor installation slacken the wire as shown Fig 2 6 C When installing the wires between Capstan DD Unit and Loading Motor connect them correctly as shown Fig 2 6 D Loading Motor Capstan DD Unit L2 L1 Pink Fig 2 6 D White Fig 2 7 A Tension Arm Ass y Fig 2 7 B Fig 2 7 D Tension Band Tension Spring 1 2 4 Tension Band Tension Arm Ass y 3 1 Tension Holder Te...

Page 14: ...loves Refer to Fig 2 9 A Do not adhere the stains on it When you install the reel clean the shaft and grease it FG 84M If you do not grease noise may be heard in FF REW mode After installing the reel adjust the height of the reel Refer to MECHANICAL ADJUSTMENT 1 2 3 4 5 6 Fig 2 9 A S Reel 1 A T Reel A 1 Idler Arm Ass y Idler Gear NOTE 1 2 In case of the S Reel and T Reel installation check if the ...

Page 15: ...PINCH ROLLER BLOCK P5 ARM ASS Y Refer to Fig 2 10 A Unlock the support 1 and remove the Cassette Opener Remove the Pinch Roller Block and P5 Arm Ass y 1 2 Fig 2 10 A 1 Cassette Opener P5 Arm Ass y Pinch Roller Block Main Chassis NOTE Do not touch the Pinch Roller Use gloves In case of the Pinch Roller Block and the Pinch Roller Cam installation install correctly as Fig 2 10 B 1 2 Fig 2 10 B Can be...

Page 16: ...Remove the Main Rod Tension Lever Loading Arm S Unit and Loading Arm T Unit 1 Main Rod Main Loading Gear Tension Lever Loading Arm T Unit Loading Arm S Unit Fig 2 16 A 2 14 CAPSTAN DD UNIT Refer to Fig 2 14 A Remove the Capstan Belt Remove the 3 screws 1 Remove the Capstan DD Unit 1 2 3 Screw Torque 4 0 5kgf cm Capstan DD Unit Capstan Belt 1 1 1 In case of the Capstan DD Unit installation apply th...

Page 17: ... Fig 2 18 B Fig 2 18 C Cassette Guide Post Cassette Guide Post 2 17 Remove the Polyslider Washer 1 Remove the Clutch Ass y and Ring Spring Remove the Clutch Lever Remove the Coupling Gear Coupling Spring and Clutch Gear 1 2 3 4 Fig 2 17 A NOTE 1 When you install the Loading Arm S Unit Loading Arm T Unit and Main Loading Gear align each marker Refer to Fig 2 16 B 1 Clutch Ass y Coupling Gear Clutch...

Page 18: ...lip up the sides of the Rubber Cap in the direction of the arrow and remove one side of the support Refer to Fig 3 2 2 GND on the CRT Screwdriver Alligator Clip Support CRT GND on the CRT Rubber Cap CRT Support Fig 3 2 3 After one side is removed pull in the opposite direction to remove the other NOTE Take care not to damage the Rubber Cap INSTALLATION 1 Clean the spot where the cap was located wi...

Page 19: ...using a blower type IC desoldering machine Refer to Fig 4 2 2 Fig 4 2 NOTE Do not add the rotating and the back and forth directions force on the IC until IC can move back and forth easily after desoldering the IC leads completely When IC starts moving back and forth easily after desoldering completely pickup the corner of the IC using a tweezers and remove the IC by moving with the IC desoldering...

Page 20: ...4 8 Thin tip Soldering Iron NOTE When the IC leads are bent during soldering and or repairing do not repair the bending of leads If the bending of leads are repaired the pattern may be damaged So be always sure to replace the IC in this case Finally confirm the soldering status on four sides of the IC using a magnifying glass Confirm that no abnormality is found on the soldering position and insta...

Page 21: ...lop Frequency Generator Front Loading Switch Frequency Modulation Frequency Sub Carrier Forward Generator Ground High Pass Filter I K L M N O P R S H SW Hz IC IF IND INV KIL L LED LIMIT AMP LM LDM LP L P F LUMI M MAX MINI MIX MM MOD MPX MS SW NC NR OSC OPE PB PB CTL PB C PB Y PCB P CON PD PG P P R REC REC C REC Y REEL BRK REEL S REF REG REW REV RVS RF RMC RY S CLK S COM S DATA SEG SEL SENS SER SI ...

Page 22: ...tor Separation Transistor Tracking Trick Playback Test Point Unregulated Volt Voltage Controlled Oscillator Video Intermediate Frequency Vertical Pulse Voltage Display Video Playback Variable Resistor Video Recording Visual Search Fast Forward Visual Search Rewind Voltage Super Source Vertical Synchronization Voltage Tuning Crystal Luminance Chrominance C1 2 ...

Page 23: ...ting of the Tracking to the center position Refer to the MECHANICAL ADJUSTMENT GUIDE ROLLER and ELECTRICAL ADJUSTMENT PG SHIFTER Press the ATR button on the remote control for more than 2 seconds during PLAY Make the short circuit between the test point of SERVICE and the GND The BOT EOT and the Reel Sensor do not work and the deck can be operated without a cassette tape Refer to the PREPARATION F...

Page 24: ...hes Replace when rolling becomes abnormal Clean the Head T Brake Band Clutch Ass y Idler Arm Ass y C3 1 CONFIRMATION OF HOURS USED POWER ON total hours and PLAY REC total hours can be checked on the screen Total hours are displayed in 16 system of notation NOTE If you set a factory initialization the total hours is reset to 0 Initial Data setting will not be possible if clock has been set To reset...

Page 25: ...below Audio Control Head 2 TAPE RUNNING SYSTEM When cleaning the tape transport system use the gauze moistened with isopropyl alcohol 3 CYLINDER Wrap a piece of chamois around your finger Dip it in isopropyl alcohol Hold it to the cylinder head softly Turn the cylinder head counterclockwise to clean it in the direction of the arrow Refer to the figure below NOTE Do not exert force against the cyli...

Page 26: ...s reached Press ENTER to select DATA When DATA is selected it will blink Again step through the DATA using UP DOWN button until required DATA value has been selected Pressing ENTER will take you back to ADDRESS for further selection if necessary Repeat steps 3 to 6 until all data has been checked When satisfied correct DATA has been entered turn POWER off return to STANDBY MODE to finish DATA inpu...

Page 27: ...wdriver Master Plane Reel Disk Height Adjustment Jig Torque Tape VHT 063 Cable VSR Torque Brake Torque S Reel T Reel Ass y Monoscope 6KHz For 2 head 1 speed model 4 head model Color Bar 1KHz For 2 head 1 speed model 4 head model Hi Fi Audio For Hi Fi model X Value Adjustment For 2 head 1 speed model 4 head model Monoscope 6KHz For 2 head 2 speed model Color Bar 1KHz For 2 head 2 speed model X Valu...

Page 28: ...ION POST POSITION 1 2 3 Set to the PLAY mode Adjust the adjusting section for theTension Arm position so that the Tension Arm top is within the standard line of Main Chassis While turning the S Reel clockwise confirm that the edge of the Tension Arm is located in the position described above Fig 1 2 A Standard line of Main Chassis Tension Arm 0 5mm Adjusting range Fig 1 2 B Adjusting section for t...

Page 29: ...de While unplug the AC cord when the Pinch Roller Block is on the position ofFig 1 4 A Move the Idler Ass y from the T Reel Install the Torque Gauge JG002E and Adapter JG002B on the T reel Turn the Torque Gauge JG002E counterclockwise Then confirm that it indicates 30 50gf cm Fig 1 4 A The position at FF mode Stop at this position The position at STOP mode Capstan DD Unit Cassette Holder Ass y Cas...

Page 30: ... Roller Refer to item 2 1 Confirm and adjust the Audio Control Head Refer to item 2 2 Connect CH 1 of the oscilloscope toTP4001 CH 2 to TP4002 and CH 3 to HOT side of Audio Out Jack Playback the VHS Alignment Tape JG001U or JG001V Refer to SERVICING FIXTURE AND TOOLS Press and hold the Tracking Auto button on the remote control more than 2 seconds to set tracking to center Set the X Value adjustme...

Page 31: ...NT PARTS LOCATION GUIDE 1 2 3 4 5 6 7 8 9 10 1 Tension Connect 2 Tension Arm 3 Guide Roller 4 Audio Control Head 5 X value adjustment driver hole 6 7 8 9 10 P4 Post T Brake Spring T Reel S Reel Adjusting section for theTension Arm position D2 4 ...

Page 32: ...CTRICAL ADJUSTMENTS Read and perform these adjustments when repairing the circuit or replacing parts or PCB assemblies CAUTION Use an isolation transformer when performing any service on this chassis Before removing the anode cap discharge electricity because it contains high voltage When removing a PCB or related component after unfastening or changing a wire be sure to put the wire back in this ...

Page 33: ...d the pin 1 GND of CP603 Activate the adjustment mode display ofFig 1 1 and press the channel button 01 on the remote control to select RF AGC Press the F FWD REW button on the remote control until the digital voltmeter is 2 4 0 05V 2 8 VERTICAL LINEARITY NOTE Adjust after performing adjustments in section 2 7 1 2 3 Receive the cross hatch signal from the Pattern Generator Using the remote control...

Page 34: ...rol until the contrast step No becomes 35 Press the AV button on the remote control to set to the AV mode Then perform the above adjustments 1 2 2 16 COLOR CENT 1 2 3 4 5 6 7 8 Receive the PAL color bar pattern RF Input Using the remote control set the brightness contrast and color to normal position Connect the oscilloscope toTP803 Activate the adjustment mode display ofFig 1 1 and press the chan...

Page 35: ... performing adjustments in section 4 1 1 2 3 4 5 Receive the green raster pattern from color bar generator Adjust the pair of purity magnets to center the color on the screen Adjust the pair of purity magnets so the color at the ends are equally wide Move the deflection yoke backward to neck side slowly and stop it at the position when the whole screen is green Confirm red and blue color Adjust th...

Page 36: ...2 VR402 CP603 VR401 CP853A FB401 CP852A A C HEAD CP852B CP853B J801 CP402 CRT PCB SYSCON PCB CD852 CD853 CP401B CP851B CRT CP302 CP806 TP803 R803 CP4005 C D 4 0 0 5 CD302 SPEAKER TP501 T501 D510_1 CP401A VR502 CP851A L502 L501 CP501 CD502 POWER SW PCB POWER PCB L503 C P 50 2 CRT CD501 S W 50 1 TP4201 C1003 C P 8 0 1 CRT CD801 TP1001 ...

Page 37: ...M VB FEED BACK D501 D504 RECTIFIER L503 DEGAUSS COIL MICON F501 AC IN CP851 5 6 3 7 AT 12V 1 5 9V REG IC IC1007 KIA7809API 9 5 SOUND AMP IC IC352 AN7523N 2 7 2 1 SP352 SPEAKER J2201 HEADPHONE JACK TV_POWER_H TV_A_MUTE VCR_POWER_H POWER_FAIL DC MICON E 1 E 2 S TRAP VR502 10 1 5V REG IC IC1004 KIA7805API 1 5V REG IC IC1005 KIA7805API 3 1 5V REG IC IC1001 KIA7805API AT 5 6V SDA SCL FM_OUT EXT_AUDIO_I...

Page 38: ...MPH NL DE EMPH MAIN EMPH CARRIER OFFSET W C DC F0 DEV ADJ S DET Q4106 BUFFER 87 86 85 H AMP 2 REC MUTE LINE MUTE ENV DET J4201 2 1 6 3 8 7 11 16 15 20 19 Q4207 PERI SW Q4205 MUTE SW L4101 Q4202 BUFFER D4210 L4003 1 3 6 Q4006 Q4007 FE HEAD 4 ENV_DET H SW MICON SDA SCL VCR_A_MUTE V REC_ST_H CTL CTL CYL CP4001 3 2 4 SP_COM SP CH2 L SP CH1 R CP4005 2 AUDIO PB 5 6 1 AE HEAD AUDIO REC AE HEAD HEAD AUDIO...

Page 39: ...V 90 VCR_MUTE VCR_A_MUTE 105 VIDEO_H SW H SW 43 REMOCON IN 3 2 1 OS2201 AT 5V D2203 D2202 28 VIDEO_ ENV ENV_DET B VSYNC G R YCO Q1015 VD SW TV Y C AUDIO HEAD AMP 21PIN IN OUT 1 CAP FG AT 12V 53 TV_MUTE TV_A_MUTE 11 10 CYL FG PG LDM CTL 9 CAP CTL 8 CYL LAD VCO 12 CYL CTL 107 DRUM_PWM 27 35 EOT BOT D1003 Q1006 EOT SENSOR Q1017 BOT SENSOR 101 100 99 96 52 32 31 CENT LED MSSEN_B MSSEN_A 1 4 3 2 1 4 3 ...

Page 40: ...7 3 BLANK SDA 3 5 6 8 TRIPLE ANALOG MPXER IC IC1202 MM1231XF 29 GREEN 41 42 X1201 13875KHz 1 14 9 2 7 16 11 TEXT_RESET OSD_B OSD_R OSD_G OSD_Y OUT1 TEXT_B TEXT_R TEXT_G TV 12 IN 1B IN 2B IN 3B SW1 SW3 SW2 OUT2 OUT3 IN1A IN2A IN3A Q1262 BLK BUFFER 30 RED SDA SCL E 7 E 8 OSC IN OSC OUT 20 VIDEO IN Y C AUDIO HEAD AMP 21PIN IN OUT Y C_V ...

Page 41: ...W131 W132 W133 W134 W135 D1202 W136 W137 W139 W141 L1202 W142 W143 W144 W145 R412 C431 CP852A C1256 C1207 C403 C4 24 Q1101 T401 C351 W901 R404 W147 R453 W904 C450_1 C432 R1075 C610 B1001 C2207 R2227 R2216 TP1001 R1050 D1003 CP4004 W148 W149 IC1004 W150 R1052 R635 C4204_1 C616 W151 W152 R1015 W153 W154 W155 W156 W157 W158 W159 W160 W161 W163 W164 CP853A W165 L4012 R4033 L4007 X4001 L4005 C4038 C401...

Page 42: ... R1010 R1033 R1090 C1074 C1069 R1211 R1255 R1108 Q1104 R1117 R1120 R1115 C1102 R1119 R1118 R355 R1011 Q1007 C1014 C1009 C640 C2202 R601 Q608 R623 C1001 R4138 R1070 R1214 R1251 R1212 R1256 R1213 C647 L605 R353 C1201 W856 W836 R1094 R361 R1280 Q601 R1289 R4210 C1219 R1206 R1204 C1215 C4193 R620 R1209 C1018 R647 R613 R612 R611 W807 R622 W866 R1035 C4001 R4005 R4025 C4049 R4032 C4064 I C 4 0 0 1 C4048...

Page 43: ...501 W006 D504 D502 D501 D503 C 5 2 9 R509 W004 R502 D520 D515 W009 W005 C521 R516 R515 R514 D506 C504 C5 30 CP401A IC506 R543 HS501 W002 D523 D513 R538 TP502 W003 W010 VR502 CP851A D534 D535 D526 R532 C510 C524 L502 D505 D509 D512 D519 W808 C507 C509 D522 R510 C531 L501 C537_1 C523 R501_1 C501 C517 D508 D511 W804 W811 C535 B505 B502 W810 C532 PRINTED CIRCUIT BOARDS POWER SOLDER SIDE F 5 ...

Page 44: ...3 34 35 36 37 38 39 4 40 41 42 43 44 45 46 47 48 49 5 50 51 52 53 54 55 56 57 58 59 6 60 61 62 63 64 65 66 67 68 69 7 70 71 72 73 74 75 76 77 78 79 8 80 81 82 83 84 85 86 87 88 89 9 90 91 92 93 94 95 96 97 98 99 S808Y S809Y S808X S809X S812X S811Y ENV_DET SDA SCL H SW P CON 5V_A VCR_A_MUTE P CON 5V_A FRONT_V_IN FRONT_A_IN_L P CON 5V_A GND Y C_A Y C_V P CON 9V TUNER_V TUNER_A_YC Y C_A REAR_V_IN REA...

Page 45: ...DIGITAL TESTER NOTE THE DC VOLTAGE EACH PART WAS Q1010 KRA103SRTK SW D1006 SB140 EIC D1010 SB140 EIC D1001 RB721Q 40 D1021 1SS133 D1004 1SS133 D1009 1SS133 CAUTION DIGITAL TRANSISTOR S812Y AT 5 6V GND SDA SCL SCL SDA RESET SCL KEY_B SDA IIC_OFF KEY_A LDM_CTL POWER_FAIL DC CAP_LIMIT VCR_POWER_H P CON 5V_A AT 5V STANDBY_H REMOCON_IN REC_LED T REC_LED P CON 5V AT 12V MOTOR_GND VOL_CTL CYL_DRIVE TU_AU...

Page 46: ... B C1049 0 22 F C2208 470P B C1053_1 0 01 B R2214 1K R2212 1 5K R1016 220 1 4W R1036 22 1 4W R2215 820 R1079 220 1 4W R1025 10K R1038 1K 1 2W R1060 12 1 4W R1047 470 1 4W R2216 100 1 4W R1084 560 1 4W R1076 10K R2227 270 1 4W R2205 270 R2207 270 R2213 820 R2211 1K R2210 1 5K R2209 2 7K R2208 5 6K R2206 56 1 4W R2204 56 1 4W R1052 12 1 2W C1029 470 6 3V YK C1041 470 16V YK C1037 470 10V YK C2207 22...

Page 47: ...0 R4208 10K R4210 4 7K C4204_1 100 16V YK C4209_1 100 16V YK Q4205 KTC3875S_Y_RTK MUTE SW Q4207 KTC3875S_Y_RTK PERI SW Q4210 KTC3875S_Y_RTK TUNER SW W899 W074 W807 W839 W851 W900 W805 W804 TP4201 VIDEO OUT W817 Q4202 2SA1037AK BUFFER L4202 100uH DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE EACH PART WAS D4210 1SS133 TUNER_ON OFF GND P CON 8V EXT_IN_L TU_AUDIO_MUTE_H P CON 8...

Page 48: ...00 6 3V KA C642 1 50V KA C653 100 16V KA C652 47 16V KA C611 100 16V KA C648_2 10 25V KA C603 1 50V KA C645 1 50V KA C666 1000 16V YK C650 3 3 50V KA C616 22 16V KA Q608 KTC3875S_Y_RTK BUFFER Q607 2SC3000 PRE AMP Q602 KTC3875S_Y_RTK BUFFER Q611 KTC3875S_Y_RTK SW Q609 KTC3875S_Y_RTK SW W865 W857 W844 W953 W836 W905 W866 W856 TP601 IF W813 L604 100uH L610 100uH L611 100uH L602_1 100uH 9A06B L613 100...

Page 49: ... C355 0 47 50V KANP OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME CP302 TID X02P M1 1 2 C361 0 0039 B C362 0 001 B C359 0 01 B C360 1 F R361 5 6K R359 4 7K R353 82K R355 15K R308 1K R352 3 3K C357 1000 25V YK C352_1 47 50V YK C351 22 16V KA Q351 2SC2412K A_MUTE SW W855 W893 W832 W870 DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE ...

Page 50: ...206 47 6 3V KA Q1104 KTC3875S_Y_RTK BUFFER Q1101 KTD863_Y BUFFER Q1253 KTC3875S_Y_RTK SYNC BUFFER Q1262 KTC3875S_Y_RTK BLK BUFFER W812 W854 W882 W881 W884 W806 W863 W802 W801 W897 W894 W896 W831 W891 L1202 10uH 0305 L1204 100uH 0305 L1203 10uH 0305 DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE EACH PART WAS D1201 AK04 D1252 1SS133 D1261 1SS133 D1202 11E1 EIC Y C_V P CON 9V A...

Page 51: ...ISTOR OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME W874 W879 W875 DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE EACH PART WAS S811X VV_H VV_H GND G 16 G 15 PCB010 VMB290 FROM MICON SYSCON PCB 5 13 0 0 SECAM CHROMA SCHEMATIC DIAGRAM ...

Page 52: ...V MHE C418 22 50V MHE C405 2200 25V MHE C404_2 0 01 100V MMTS C416_1 22P CH C413 0 1 F C412 0 047 MMTV C450_1 220P 2KV RR C424 0 0074 1 25KV MPP C429 470P 2KV B C423 0 47 250V PMS C403 0 47 100V MKT C406 0 001 500V B R405 1 5 1 2W R420 8 2K R407 1 5 1 2W R421 680 1 2W R490 68K 1 4W R404 330K 1 4W R406 2 7K 1 4W R403 390K R409 680 1 2W R411 680 1 2W R453 180K 1 4W R460 100 1 4W R416 2 2 1 2W R456 4...

Page 53: ... ONLY CRITICAL FOR SAFETY USE ONES ARE CP853B B2013H02 5P 1 2 3 4 5 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME CP852B B2013H02 6P 1 2 3 4 5 6 CP801 A2361WV2 2P 1 2 C801_1 100P CH C802 0 0022 2KV B C809 560P B C811 470P B C810 470P B R815 270 R816 270 R808 4 7K R809 4 7K R804 2 7K 1 4W R813 270 R801 4 7K R802_1 2 7K 1 4W R806_1 2 7K 1 4W Q...

Page 54: ...TE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C523 2200 25V MHE C520 1000 16V MHE C521 220 200V YXF C531 2200 16V MHE C537_1 10 160V MHE C507 220 400V USR C524 1000 25V MHE C532 0 0015 2KV R C506_2 0 1 275V ECQUL C516 470P 500V B C554 0 001 B C515 0 0015 B C530 0 001 250V KX C504 560P 500V B C502 0 0022 2KV B C503 0 0022 2KV B C529 0 0022 250V KX C519 470P 500V B C512 0 001 B C509 0 027 M C5...

Page 55: ... Vout TM101 FROM OS2201 REMOCON SENSOR B GND TO CHASSIS YELLOW WHITE UN4001 CYLINDER UNIT ASS Y M2001 CAPSTAN DD UNIT ASS Y NC FB401_1 OS2201 TO FULL ERASE HEAD ASS Y H5002 2 1 FE HEAD HOT FE HEAD GND B OUT R OUT G OUT G OUT R OUT B OUT AUDIO_PB AUDIO_REC NC SP CH1 R SP COM SP CH2 L TEBB08 TCB419 SPOT_L SPOT_L SP_OUT SOUND_GND POWER FAIL SOUND_GND MOTOR_GND MOTOR_GND SOUND_GND VPA150 POWER SW PCB ...

Page 56: ...C 20V 5µs div The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE H 1 8 REC 2V 20µs div 7 1V 5µs div 9 PB 0 5V 10ms div 10 PB 2V 10ms div 11 REC 1V 10µs div MICON 12 REC 2V 1ms div 13 PB 2V 0 5µs div 14 PB 2V 0 5µs div 15 REC 2V 1ms div 6 1V 5µs div ...

Page 57: ...am NOTE H 2 17 REC 2V 5ms div 18 REC 2V 20µs div 19 AV OUT 200mV 20µs div 21PIN IN OUT 20 AV OUT 0 5V 500µs div 21 REC 2V 20µs div CHROMA IF 22 REC 0 5V 0 5ms div SOUND AMP 24 5V 20µs div 23 20V 5ms div DEFLECTION 26 50V 20µs div 25 50V 20µs div CRT 27 50V 20µs div 50 5V 10ms div TV POWER 51 5V 10ms div 16 PB 2V 5ms div ...

Page 58: ...1 101B 101C PCB340 POWER SW PCB ASS Y SW501 101G 101F 104 101E 101D 101A 101 205 J801 PCB110 CRT PCB ASS Y 212 212 212 212 L503 V801 105 116 202 202 202 202 102A 102 202 103 202 102C 102C 102B 202 116 116 116 206 206 SP352 205 205 ...

Page 59: ... VIEW I1 2 106 204 204 204 107 108 112 115 115 110 211 209 209 208 TU601 J4201 FB401 PCB010 SYSCON PCB ASS Y 201 201 203 209 210 PCB020 POWER PCB ASS Y 109 111 114 207 206 206 113 A 209 204 204 117 118 203 203 119 120 213 ...

Page 60: ... 320 AB 316 318 347 AB AB AA AA AA AA AB AB AB AB AE AE AE AC CD1501 M101 304 CD1502 510 348 349 AB AC Applying positions AA AB AC AD and AE for the grease are displayed for this section Check if the correct grease is applied for each position NOTE PART NO CLASS MARK GREASE G 555G AA MG 33 AB FG 84M AC FL 721 AD G 313Y AE Y315061000 PART NAME Y315071000 Y31D011000 Y315041000 Y315141000 309 325 AD ...

Page 61: ...AA AA AD AA AA AA AA AA CD1501 CD1502 AA 339 AA AA Applying positions AA AB AC AD and AE for the grease are displayed for this section Check if the correct grease is applied for each position NOTE PART NO CLASS MARK GREASE G 555G AA MG 33 AB FG 84M AC FL 721 AD G 313Y AE Y315061000 PART NAME Y315071000 Y31D011000 Y315041000 Y315141000 ...

Page 62: ...D AMP 114 761WPA0224 HOLDER DECK 115 85OP700038 HOLDER END SENSOR 116 769WSA0011 WASHER CRT T 0 5 117 752WSA0149 SHIELD COVER 118 755WNA0010 SHEET PVC 119 752WSA0303 SHIELD AV JACK 120 899HV3T000 HOLDER ANODE WIRE 201 8117540B04 SCREW TAPPING B0 TRUSS 4x20 202 8117540A64 SCREW TAPPING B0 TRUSS 4x16 203 8117540A04 SCREW TAPPING B0 TRUSS 4x10 204 8110630A24 SCREW TAP TITE P BRAZIER 3x12 205 8110630A...

Page 63: ...2 P5 ARM ASS Y 2 H5002 1543Q02014 HEAD FULL ERASE VTR 1X2ERS11 154 314 85OA400235 TENSION ARM ASS Y 2 M101 1596S98001 MOTOR LOADING MDB2B66 315 85OA400231 INCLINED BASE S UNIT M2001 1510S98040 CAPSTAN DD UNIT F2QVB33B or 316 85OP800367 SPRING LOCKER 1510S98038 CAPSTAN DD UNIT F2QVB33 317 85OP900736 CASS HOLDER M2003 1589S11014 MICRO MOTOR I2OAL03 318 85OP900748 CASS SIDE L UN4001 A4F310B500 CYLIND...

Page 64: ...ILICON 11E1 EIC Q351 T8YJ2412K0 TRANSISTOR SILICON 2SC2412KT146 R S D404 D2WT011E10 DIODE SILICON 11E1 EIC Q353 TNAAJ05003 COMPOUND TRANSISTOR KRC111SRTK D405 D2WT011E10 DIODE SILICON 11E1 EIC Q403 T8YJ2412K0 TRANSISTOR SILICON 2SC2412KT146 R S D406 D2WT011E10 DIODE SILICON 11E1 EIC Q405 TC5T01627Y TRANSISTOR SILICON 2SC1627_Y TPE2 D407 D2WT011E10 DIODE SILICON 11E1 EIC Q406 TD3U021400 TRANSISTOR ...

Page 65: ...7F100J COIL 10 UH CP501 069S320419 CONNECTOR PCB SIDE A3963WV2 3PD L1204 02167F101J COIL 100 UH CP502 069S420110 CONNECTOR PCB SIDE A1561WV2 2P L4003 031616003R COIL BIAS OSC 1616003 CP603 069X160379 CONNECTOR PCB SIDE 06JQ ST L4005 02167F101J COIL 100 UH CP801 069S320010 CONNECTOR PCB SIDE A2361WV2 2P L4006 02167F101J COIL 100 UH CD4005 122S061401 CORD JUMPER 1 25X6X138XC L4007 0216A6820K COIL 82...

Page 66: ...RBON RESISTOR CAPACITORS CC CERAMIC CAPACITOR CE ALUMI ELECTROLYTIC CAPACITOR CP POLYESTER CAPACITOR CPP POLYPROPYLENE CAPACITOR CPL PLASTIC CAPACITOR CMP METAL POLYESTER CAPACITOR CMPL METAL PLASTIC CAPACITOR CMPP METAL POLYPROPYLENE CAPACITOR J3 3 ...

Page 67: ...M5E5 28C SPEC NO O R NO W455526 ...

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