Toshiba MV19L3C Service Manual Download

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PLAYBACK VIDEO SIGNAL

L1001
2.2uH

Q1004

KRC103RTK

FF/REW_SW

CAUTION: DIGITAL TRANSISTOR

R.SIGNAL

B.SIGNAL

DEFLECTION SIGNAL

G.SIGNAL

D1014

MTZJ5.6B

IC1001

OEC7059A

TIMER SYSCON MICON IC

100

IC1099

S-24C04BDP-LA

EEP ROM IC

D1003

SID1050CM

CP1005

IMSA-9604S-07Z14

Q1003

RPI-352Q01R

MS_SEN B

Q1009

RPI-352Q01R

MS_SEN A

SW1001

SPVF130100

TAB SW

CP1004
TMC-J08P-B1

CAPSTAN AFC SIGNAL

CYLINDER AFC SIGNAL
CYLINDER APC SIGNAL

Q1013

PNA2604M010R

EOT SENSOR

Q1005

RPI-301

REEL SENS

IC1004

LB11880

CYL/LOADING MOTOR DRIVER IC

IC1003

R3111N311A/C-TR

SYSTEM RESET IC

OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE

NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME

X1001
12MHz

X1002

32.768KHz

C1003_1

220

6.3V

C1020

16V

C1058

100

6.3V

C1021

25V

C1068

0.0022

C1082

0.01

C1028

0.1

C1019

0.001 CH

C1048 18P CH

C1040 18P CH

C1047 18P CH

C1046 20P CH

C1065

0.1

C1013 0.0039 B

C1034

0.1 F

C1017

0.1

C1026
0.01 F

C1037

390P

C1023

220P

C1010

220P

C1009

220P

C1067

100P

C1070

0.0022

C1069

0.022 B

C1080

0.1 B

C1073

0.0022

C1089

0.1

C1084

0.0033

C1090

0.0033 B

C1060

100P

C1061

100P

C1029_1

0.0068

C1035

220P CH

C1056

0.1

C1038

680P

C1050 20P CH

C1049 22P CH

C1064

1 F

C1022

0.1 F

C1027

0.0039 B

C1004

100P

C1071

100P

C1031

0.001 B

C1062

C1077

0.0047

C1083

0.0022

C1078

0.1 F

C1007

0.1 F

C1091
0.0033 B

R1073

1/4W

R1046

4.7K

R1040

33K

R1047

4.7K

R1019

47K

R1028

22K

R1052

390

R1012

10K

R1039

18K

R1032 10K

R1083

33K

R1087

33K

R1050

100

R1066

R1075

4.7K

R1009

560

R1013

560

R1008

1K 1/4W

R1018

4.7K

R1034

R1021

R1035

R1007

R1054

560K

R1005

2.7K

R1053

220

R1001

3.3K

R1048

10K

R1042

220

R1038

220

R1020

22K

R1017

39K

R1029

4.7K

R1031

R1051

18K

R1049

4.7K

R1082

1.5K

R1044

3.3K

R1045

3.3K

R1036

4.7K

R1033

R1079

1/4W

R1003

82K

R1011

2.2K

R1002

270

R1064

1K 1/4W

R1080

1/4W

R1085 1K 1/4W

C1015

10V

C1016

16V

C1018

4.7

50V

C1032

220

6.3V

Q1023

2SC2412K

X_RAY_SW

Q1002

2SC2412K

SENSOR SW

W901

W935

W825

W894

TP1001

SERVICE

W810

W849

W819

W882

TP1002

H.SW

W919

S811Y

S811X

S805Y

CP1006
IMSA-9604S-04Z14

DURING PLAYBACK

MEASURED WITH THE DIGITAL TESTER

NOTE:

THE DC VOLTAGE AT EACH PART WAS

POWER_FAIL2

GND

P.CON+5V

AT+12V

MOTOR_GND

TV_POWER_H

SDA

SCL

Y/C_CS

OSD_R

OSD_G

OSD_B

H_GND

REEL_T

Y/C_CLK

OSD_BLK

SD_SYNC

CAP_CTL

Y/C_DATA

CYL_DRIVE

V.REC_ST_H

CYL_DRIVE

P.CON+5V

SD_VIDEO

PGIN+

Y/C_CLK

Y/C_DATA

PGIN-

Y/C_CS

X_RAY

H.SW

ENV_DET

CYL_PG

VCR_A_MUTE

TAB_SW

CTL+

CYL_FG

TV_A_MUTE

CTL-

DUMMY_V.SYNC

V.REC_ST_H

IIC_OFF

LDM_R

SD_SYNC

CAP_FG

LDM_F

CYL_FG

CYL_PG

X-RAY_TEST

AFT_M

EOT

BOT

SCL

SDA

CTL-

OSD_R

M-COM

W-OUT

V-OUT

U-OUT

OSD_G

CTL+

OSD_B

OSD_BLK

RESET

AT+5V_BACKUP

AT+5V

VCR_POWER_H

TV_POWER_H

SPOT_H

LM-

TV_POWER_H

TAB_SW

LM+

VCR_POWER_H

IIC_OFF

H.SW

TV_POWER_H
REC_LED
T-REC_LED
KEY_A

CAP_F/R

KEY_B
REMOCON_IN
SCL
SDA

DUMMY_V.SYNC

REMOCON_IN

T-REC_LED

MS_SEN-A

MS_SEN-B

ENV_DET

SEN_LED

SPOT_H

REC_LED

AFT_M

KEY_A

KEY_B

LDM_R

LDM_F

EOT

BOT

TV_POWER_H
TV_A_MUTE

RESET

REEL_T

SEN_LED

U-OUT

MS_SEN-B

MS_SEN-A

V-OUT

X_RAY

W-OUT

X-RAY_TEST

M-COM

TV_POWER_H

H_GND

PGIN-

PGIN+

CAP_CTL

CAP_FG

CAP_F/R

PCB800

FROM/TO POWER

0.9

1.2

FROM/TO MICRO MOTOR

VMA213

MICON SCHEMATIC DIAGRAM

(SYSCON PCB)

FROM/TO IN/OUT

FROM/TO DEFLECTION

TO SOUND AMP

FROM/TO CHROMA/IF

FROM/TO Y/C/AUDIO/HEAD AMP

MOTOR_GND

FROM/TO CAPSTAN DD UNIT

VCC(5V)

CAP/M/F/R

VCO

I LIMIT

CTL

GND

(CD2001)

(CP101)

FROM/TO DECK

NC
5.1

5.2

1.5

1.3

2.1

2.6

5.2

2.5

2.6

5.2

5.1

5.9

2.5

2.0

0.6

2.5

0.2

2.5

2.6

2.5

5.1

5.2

1.4

0.8

1.4

5.2

0.8

0.5

5.1

1.3

1.2

5.2

0.2

5.9

6 VIDEO-ENV

5 HI-FI-ENV

10 KEY B

9 KEY A

19 HI-FI-H.SW

18 VIDEO-H.SW

82 TV_A_MUTE

81 VCR_A_MUTE

POWER_FAIL_L

17 ENV-CMP-IN

98 AMP-VCC

99 ANALOG VCC

100 DEW

50 TAB SW

49 OSD-VSS

REEL-T

CAP-FG

AMP-VSS

DRUM-FG

DRUM-PG

AMP-VREFOUT

AMP-VREFIN

CTL-

CTL+

AMP C

CTL AMP-OUT

62 B

58 H/C-SYNC

59 V-SYNC

57 NUA

55 VHOLD

53 OSD-VCC

52 SD-IN(MONI)

VSS

CLKSEL

OSC-IN2

OSC-OUT2

NUB

X-OUT(12MHz)

X-IN(12MHz)

VCC

XC_OUT(32KHz)

XC_IN(32KHz)

RESET-L

REC LED

T-REC LED

TV-POWER

VCR-POWER

EXT-MUTE

21 LDM-FWD

20 LDM-RVS

16 HEAD.AMP.SW

15 COLOR ROTARY

13 DUMMY-V.SYNC

12 CAP-LIMIT

11 CAP-FWD

7 AFT(MONI)

8 AFT(REC)

BOT

EOT

MSSEN-A

MSSEN-B

23 SENS LED

72 IIC-DATA1

71 IIC-CLK1

64 R

63 G

CAP-PWM

DRUM-PWM

74 JUST CLOCK

60 OSD OUT1

56 CVIN

54 HLF

SERVICE

14 REMOCON-IN

22 DEGAUSS_H

32 RENT_H

31 ON-TIMER LED

73 FF/REW-L

83 SP/LP/EP-H

TUNER_CONTROL

48 CM_ADV_AUDIO/AV2

CM_ADV_VIDEO/AV1

84 CA/MA_SEL

5.1

X-RAY_TEST

4.9

BOT

LDM-

LDM+

VCC

5.0

0.1

LVCC

X IN

Y IN

VCC

U IN

V IN

W IN

VCO IN

X OUT

LGND

Y OUT

VREF

BFGO

PG OUT2

PG OUT1

PG IN(-)

PG IN(+)

VREG

GND

PC OUT

M COM

V OUT

W OUT

U OUT

VSS

SDA

SCL

TEST

VCC

GND

OUT

24 SP-H

61 CENTER LED

65 NC

67 NC

68 SDATA

69 CS

70 SCLK

75 VOLUME

IIC OFF

4.8

5.2

33 E/V_MASK/PLAY LED

CAP FULL

25 SPOT H

66 V REC START H

REEL-S

3.7

1.9

2.3

11.5

12.2

1.0

2.5

5.0

2.6

11.5

10.1

7.5

4.7

4.8

2.4

1.4

2.2

5.2 5.2

2.2

5.2 2.3 2.6 2.6

5.2

5.2 5.2

5.2

2.1

2.3 1.6

4.2

4.9

2.6

2.5

1.8

0.9

5.2

2.6

2.5

5.1

5.2

U-OUT

V-OUT

W-OUT

M-COM

GND

PG OUT

PG GND

Summary of Contents for MV19L3C

Page 1: ...SERVICE MANUAL COLOR TELEVISION VIDEO CASSETTE RECORDER FILE NO 140 200110 MV19L3C ...

Page 2: ... whether 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 terminal...

Page 3: ...casting System US Sysytem M System Tuner and System 1Tuner Receive CH Destination USA CATV Tuning System F Synth Input Impedance VHF UHF 75 ohm CH Coverage 2 69 4A A 5 A 1 A I J W W 1 W 84 Intermediate Picture FP 45 75MHz Frequency Sound FS 41 25MHz FP FS 4 5MHz Preset CH No Stereo Dual TV Sound No G 4 Signal Video Signal Input Level 1 V p p 75 ohm Output Level S N Ratio Weighted 50 dB Horizontal ...

Page 4: ... Yes Tape Counter Linear Counter Yes Tape Speed Yes Sleep Time Yes Stereo Audio Output No Bilingal No SAP No Control Volume Yes Level Bright Contrast Sharpness Color Yes Tint Yes 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 Caption Text Yes Index No Muting Yes Hi Fi SAP No Repeat Yes Zero Return No D...

Page 5: ...Set Tracking Yes Set Tracking Yes Menu Yes Enter Yes Cancel Yes Call Yes TV Caption Text Yes Sleep Timer Yes Muting Yes Zero Return Yes CM Skip Yes 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 VIDEO PLUS SHOWVIEW G CODE No Auto Clock Yes Forward Reverse Picture Search Yes One Touch Playbac...

Page 6: ... Antenna Adapter Yes G 15 Interface Switch 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 No Volume Up Yes Volume Down Yes Rew Rev Yes Rec OTR Yes Input Select Yes Indicator Power Red Rec OTR Red T Rec Red On Timer No CS No Key Light up Rec OTR No One Touch Playback No Play No Terminals Front Video...

Page 7: ...aterial Double White Dimensions W x D x H mm 559 x 538 x 555 Design As per Buyer s Description of Origin Yes Drop Test Natural Dropping At 1 Corner 3 Edges 6 Surfaces Height cm 46 Container Stuffing 40 container 352 Sets G 19 Cabinet Material Cabinet Front PS 94V0 DECABROM Cabinet Rear PS 94V0 DECABROM Jack Panel PS 94V0 DECABROM ...

Page 8: ...rs CP352 CP353 CP354 CP401 CP502 and CP503 Unlock the support 2 Remove the TV VCR Block in the direction of arrow Remove the Anode Cap Refer to REMOVAL OF ANODE CAP Disconnect the following connectors CP801 and CP851B Remove the CRT PCB in the direction of arrow 1 1 2 UP TO RELEASE TV VCR Block 1 4 DECK CHASSIS AND SYSCON PCB Refer to Fig 1 4 1 2 3 4 5 6 7 8 Remove the 3 screws 1 Remove the 2 scre...

Page 9: ... R 1 1 1 Locker R 1 Fig 2 5 2 REMOVAL OF DECK PARTS 2 1 TOP BRACKET Refer to Fig 2 1 Remove the 2 screws 1 Slide the 2 supports 2 and remove the Top Bracket 1 2 NOTE When you install the Top Bracket install the screw 1 first then install the screw 2 1 2 Top Bracket Top Bracket Main Chassis Main Chassis 2 1 1 2 Fig 2 1 Screw Torque 5 0 5kgf cm 2 2 FLAP LEVER TAPE GUIDE R Refer to Fig 2 2 Move the C...

Page 10: ...ts 2 and remove the Tension Band Ass y Unlock the support 3 and remove the Tension Holder Remove the SS Brake Spring Remove the SS Arm Brake 1 2 3 4 5 6 7 8 3 1 2 2 Tension Adjust Tension Band Ass y Tension Spring Tension Arm Ass y Tension Holder Inclined S Ass y Fig 2 9 A SS Brake Spring SS Arm Brake NOTE When you install the Tension Adjust install as shown in Fig 2 9 B Refer to Fig 2 9 B Fig 2 9...

Page 11: ...s 2 Remove the A C Head and A C Head Spring 1 2 3 4 NOTE Do not touch the A C Head Use gloves When you install the A C Head Spring install as shown in Fig 2 13 B Refer to Fig 2 13 B When you install the A C Head tighten the screw 1 first then tighten the screw 2 finally tighten the screw 3 1 2 3 A C Head 2 2 A C Head Spring 1 3 1 2 2 A C Head Base Spring Position Fig 2 13 B 2 14 FE HEAD RECORDER O...

Page 12: ...ws 1 Remove the Capstan DD Unit 1 2 3 Screw Torque 5 0 5kgf cm Fig 2 16 2 17 MIDDLE GEAR MAIN CAM Refer to Fig 2 17 A Remove the Polyslider Washer 1 then remove the Middle Gear Remove the E Ring then remove the Main Cam P5 Cam Pinch Roller Cam and Joint Gear 1 2 Capstan DD Unit Capstan Belt 1 1 1 Fig 2 18 1 Clutch Ass y Ring Spring Coupling Gear Clutch Lever 2 2 2 15 AHC ASS Y CYLINDER UNIT ASS Y ...

Page 13: ...S T ASS Y Refer to Fig 2 20 Remove the Cap P4 Remove the screw 1 Unlock the support 2 and remove the Loading Gear Holder Remove the Inclined S Unit Remove the Inclined T Unit 1 2 3 4 5 1 2 Main Rod Main Loading Gear Tension Lever Loading Gear T Loading Gear Spring Loading Arm T Ass y Loading Gear Spring LED Reflecter Idler Arm Ass y Clutch Actuator Screw Torque 5 0 5kgf cm Fig 2 19 A NOTES Loading...

Page 14: ... Flip 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 1 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 ...

Page 15: ...pflop 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 S...

Page 16: ...arator 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 ...

Page 17: ... the center position NOTE Also can be adjusted by pressing the ATR button for more than 2 seconds during PLAY VOL MIN 5 POWER ON total hours and PLAY REC total hours are displayed on the screen Refer to the PREVENTIVE CHECKS AND SERVICE INTERVALS CONFIRMATION OF USING HOURS Can be checked of the INITIAL DATA of MEMORY IC Refer to the NOTE FOR THE REPLACING OF MEMORY IC VOL MIN 6 VOL MIN 1 Initiali...

Page 18: ...h the tape Clean the rubber and parts which the rubber touches Replace when rolling becomes abnormal Clean the Head CONFIRMATION OF USING HOURS 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 The confirmation of using hours will not be possible if clock has been set To reset clock either unplug AC cord and allow at ...

Page 19: ...pyl 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 cylinder head Do not move the chamois upward or downward on the head Use the chamois one by one Cylinder Head Clean the Audio ...

Page 20: ...71 74 79 7C 7E 7F 50 5A 61 62 63 64 65 66 60 3 4 5 6 7 8 The unit will now have the correct DATA for the new MEMORY IC Table 1 1 2 Fig 1 ADDRESS is now selected and should blink Using the SET or keys on the remote step through the ADDRESS until required ADDRESS to be changed is reached Press ENTER to select DATA When DATA is selected it will blink Again step through the DATA using SET or until req...

Page 21: ...orque S Reel JG154 APJG154000 Cable Used to connect the test point of SERVICE and GROUND APJG022000 JG022 Master Plane Reel Disk Height Adjustment JG024A APJG024A00 Reel Disk Height Adjustment Jig Reel Disk Height Adjustment JG153 APJG153000 X Value Adjustment Screwdriver X Value Adjustment Tentelometer PREPARATION FOR SERVICING How to use the Servicing Fixture 1 2 3 4 Unplug the connector CP353 a...

Page 22: ...0gf cm during playback in SP mode Tentelometer Video Tape Guide Roller P1 Post Fig 1 3 1 2 CONFIRMATION AND ADJUSTMENT OF TENSION POST POSITION 1 2 3 Set to the PLAY mode Adjust the Tension Adjust until the edge of the Tension Arm is positioning within 0 5mm range from the standard line center of Main Chassis After this adjustment confirm that the cut position is located in A area as shown in Fig ...

Page 23: ...apter JG002E JG002B Fig 1 4 B NOTE If the torque is out of the range replace the following parts Check item 1 4 1 5 Replacement Part Idler Ass y Clutch Ass y S Reel side T Reel side S Reel Tension Band Ass y Tension Arm Ass y T Reel T Brake Spring T Brake Ass y 2 CONFIRMATION AND ADJUSTMENT OF TAPE RUNNING MECHANISM Tape Running Mechanism is adjusted precisely at the factory Adjustment is not nece...

Page 24: ...scilloscope to TP4001 CH 2 to TP1002 and CH 3 to HOT side of Audio Out Jack Playback the VHS Alignment Tape Press and hold the Tracking Auto button on the remote control more than 2 seconds to set tracking to center Set the X Value adjustment driver JG153 to the 4 of Fig 2 2 B Adjust X value so that the envelope waveform output becomes maximum Check if the relation between Audio and Envelope wavef...

Page 25: ...S 3 MECHANISM ADJUSTMENT PARTS LOCATION GUIDE 5 6 7 8 9 10 1 2 3 4 1 Tension Adjust 2 Tension Arm 3 Guide Roller 4 P1 Post 5 Audio Control Head 6 7 8 9 10 X value adjustment driver hole P4 Post T Brake Spring T Reel S Reel ...

Page 26: ...ENTS 2 2 VCO FREERUN 1 2 3 4 5 6 7 8 9 Place the set with Aging Test for more than 10 minutes Receive the VHF HIGH Disconnect the Antenna while receiving the VHF HIGH and set to the Noise screen Once turn off the Power and turn on the Power again Approxi 3 seconds later input the Antenna again Connect the digital voltmeter between the pin 5 of CP351 and the pin 1 GND of CP351 Activate the adjustme...

Page 27: ...g the VOL UP DOWN button on the remote control adjust the R DRIVE B DRIVE G BIAS or B BIAS Perform the above adjustments 6 and 7 until the white color is looked like a white 2 7 FOCUS 1 2 3 4 Receive the monoscope pattern Using the remote control set the brightness and contrast to normal position Turn the Focus Volume fully counterclockwise once Adjust the Focus Volume until picture is distinct 2 ...

Page 28: ... remote control until the difference of A and B becomes minimum Refer to Fig 2 4 B A TV 00 OSD 15 Fig 2 4 Fig 2 2 2 14 SUB COLOR 1 2 3 4 5 6 7 8 Receive the color bar pattern RF Input Connect the oscilloscope to TP803 Using the remote control set the brightness contrast color and tint to normal position Activate the adjustment mode display of Fig 1 1 and press the channel button 15 on the remote c...

Page 29: ...ELECTRICAL ADJUSTMENTS 3 ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE SYSCON TU601 FOCUS VOLUME SCREEN VOLUME FB401 CP351 VR502 TP1001 CP1003 TP4001 TP1002 J801 CRT TP801 TP803 TP601 ...

Page 30: ...rforming 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 colors Adjust the ...

Page 31: ... VIDEO DET AFT VIDEO MUTE DEFEAT AFT OUT CLAMP VIDEO TONE DELAY 55 5 7Vreg 41 RESET 42 33 39 46 13 POWER ON CONTROL RGB MATRIX CONTRAST HPF ACC KILLER DET ACC DET CHROMA APC DET DEMODULATOR VCXO VCO ADJ 32 HV BLK VERTICAL COUNT DOWN V RAMP 29 17 HORIZONTAL COUNT DOWN H VCO AFC 2 AFC 1 7 6 R G B CUT OFF BUS I F TU601 11 5 4 1 SAW FILTER CF601 1 5 4 SD_VIDEO Y C_AUDIO TU_AUDIO TU_VIDEO SDA SCL Y C A...

Page 32: ...T RF SW IN AUDIO MUTE HA SW ENV DET Q4006 BIAS OSC Q4003 SW Q4001 Q4002 AUDIO PB SW Q4012 BUFFER COIL BIAS OSC R HA GND P P R P L H L C LPF REC AMP AUTO BIAS EQ AMP PB EE MUTE LINE AMP LPF ALC 1 2 3 R P 1 2 3 28 QV QH 60B SYNC SEP VIDEO AGC VX01 PLL REC APC REC APC R P Main CONV 3 58M BPF2 B UP AMP AGC ACC DET 3 58M BPF1 NYR COMB UOT CCD CLAMP AUTO BIAS VCA V REC_ST H TO_AUDIO NC SD_VIDEO MICON PO...

Page 33: ...AD AMP TV CAPSTAN DD UNIT TV_POWER_H FF REW L 97 73 CTL AMP OUT Q1004 FF REW_SW 18 VIDEO H SW H SW J701 AUDIO L VIDEO 4 2 1 3 FRONT_VIDEO FRONT_AUDIO VCR_POWER_H TV Q4201 TV POWER SW 82 TV_A_MUTE TV_A_MUTE 23 2 1 SENS LED MSSEN B MSSEN A 1 4 3 2 1 4 3 2 Q1002 SENSER SW MS_SEN A Q1009 MS_SEN B Q1003 AT 5 6V P CON 5V D1003 P CON 5V EOT SENSOR Q1013 EOT P CON 5V 3 21 20 BOT 4 P CON 5V LDM LDM BOT 3 4...

Page 34: ...C352 CD352 D791 D792 D793 J351 J701_1 R351 R350 R754 R761 W811 W001 R793 W002 W805 CD351_1 C701 S102 S101 S105 S106 S103 S104 CP101 Q101 PRINTED CIRCUIT BOARDS OPERATION SOLDER SIDE DECK SOLDER SIDE ...

Page 35: ...ND H_GND REEL_T Y C_CLK OSD_BLK SD_SYNC CAP_CTL Y C_DATA CYL_DRIVE V REC_ST_H CYL_DRIVE P CON 5V SD_VIDEO PGIN Y C_CLK Y C_DATA PGIN Y C_CS X_RAY H SW ENV_DET CYL_PG VCR_A_MUTE VCR_A_MUTE TAB_SW CTL CYL_FG TV_A_MUTE CTL DUMMY_V SYNC V REC_ST_H IIC_OFF LDM_R SD_SYNC CAP_FG LDM_F CYL_FG HD CYL_PG X RAY_TEST VD AFT_M EOT BOT SCL SDA CTL OSD_R M COM W OUT V OUT U OUT OSD_G CTL OSD_B OSD_BLK RESET AT 5...

Page 36: ...58 1 5K R1059 1K R1060 820 R1057 33K R4201 75 C1053 220 6 3V YK W918 W916 T0 W913 TO W822 W900 TO W806 W870 W942 S810X RECORD COLOR SIGNAL CP351_1 173979 6 1 2 3 4 5 6 CP1003 173979 4 1 2 3 4 DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS PLAYBACK LUMINANCE SIGNAL AUDIO SIGNAL REC AUDIO SIGNAL PB RECORD LUMINANCE SIGNAL PLAYBACK COLOR SIGNAL SOUND_GND SOUND S...

Page 37: ...R647 2 2K R646 18K R642 10K R643 47K C666 470 10V YK C643 22 50V YK C645 1 50V KA C612 470 6 3V YK C627 1 50V KA C652 47 16V YK C678 100 35V YK C610 4 7 50V KA C624 47 16V KA C632 2 2 50V KA C641 1000 10V YK C644 22 50V YK C648 0 22 50V KA C655 47 16V KA C659 100 6 3V KA C649 1 50V KA Q604 2SD400E REG Q603 KTC3203_Y REG Q606 KTC3203_Y REG Q605 2SD400E REG Q602 KTC3203_Y REG W827 W871 W874 W801 W88...

Page 38: ... 3 4 5 6 7 8 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C354 2200 16V YK C351 2 2 50V KA C301 0 022 B R353 68K R352 4 7K R359 47K R357 5 6K C356 10 50V YK C355 10 16V KA W814 CP352 B2B EH A 1 2 DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS AUDIO SIGNAL REC SP_OUT SOUND SOUND_GND TV_A_MUTE TV_POWER_H...

Page 39: ...E NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C524 2200 16V MHE C522 1 160V YK C521_1 100 160V YXF C507 470 200V UP C511_1 470 25V MHE C523 470 35V YK C515_1 560P CH C505 470P 500V B C514 0 0027 2KV YR C506 0 22 275V PHE840 C554 0 001 B C512 0 0022 B C509 0 01 F C530 0 0047 125V MX C535 680P 2KV YR C502_1 0 001 500V B C503_1 0 001 500V B C519 470P 500V B C518 470P 500V B C517_1 0 0022 2K...

Page 40: ...0V TF C417 0 0022 500V B C424 0 0068 1 25KV MPP C423 0 39 250V PMS C425 0 0012 2KV YR R404 120K 1 2W R408_1 1K 1 2W R456 4 7K 1 2W R421 1K 1 2W R423 10K 1 4W R490 68K 1 4W R444 27K 1 R420 6 8K 1 R460 100 1 4W R402 47K R410 2 7K 1 4W R416 82K R417 560 1 2W R419 560 1 2W R415 2 2 1 2W R414 15K R413 3 3K R401 470 R411 33K 1 R442 15K 1 R440 51K R424 2 2K 1 2W R441 56K R439 22K 1 C431 10 250V YK C422 1...

Page 41: ... 12K 2W R805_1 12K 2W R810_1 12K 2W R SIGNAL B SIGNAL G SIGNAL D802 1SS133 D801 1SS133 D803 1SS133 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C809 820P B C819_1 0 0022 2KV B C805 100P CH C801 0 0022 2KV B C810 470P B C811 470P B R807 2 7K 1 4W R801 1M 1 4W R815 4 7K R811 330 R814 4 7K R808 2 7K 1 4W R820 2 7K 1 4W R812 330 R813 330 R816 4...

Page 42: ... THESE PARTS MARKED BY CAUTION THE DC VOLTAGE AT EACH PART WAS MEASURED WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL NOTE CD352 CH25093A 1 2 3 4 5 TUNER VIDEO SIGNAL CD351_1 CH27091A 1 2 3 4 5 6 7 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C701 0 001 B R793 270 1 4W R350 33 1 2W R76...

Page 43: ...ESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION Q101 RPT 38PB113 BOT SENSOR OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME CP101 52044 0445 1 2 3 4 DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS DECK PCB DECK SCHEMATIC DIAGRAM FROM TO MICON VE8851 PCB550 M...

Page 44: ...ON_L T REC_LED REC_LED AT 5V B B B A OS1001 TO OS1001 10 11 9 8 7 6 5 CUT_OFF H_GND CP851B CP851A S102A S101A UN4001 CYLINDER UNIT ASS Y CP4001_1 SP_COM SP CH1 R SP CH2 L NC HEAD 4 3 2 1 CH1 CH2 FRONT_VIDEO_IN FRONT_A _IN_L SOUND_GND SOUND_OUT_L SP_OUT_L GND GND POWER_ON_L T REC_LED REC_LED AT 5V TE9A16 PCB030 OPERATION PCB NC NC NC NC NC MOTOR_GND VE8851 PCB550 DECK PCB M101 LOADING MOTOR LM 2 1 ...

Page 45: ...7 W154 W153 W152 W088 W023 C4053 C4050 C4049 C4062 C4046 C4047_1 C4052 C4057 X4001 W084 W097 R4004 C4063 W099 L4006 C4065 W106 L4005 C4012 C4023 L4001 W105 C4027 W169 W170 C4051 C4048 C4058 C4067 C4031 C4010 Q4005 L4003 T4001 Q4006 C4002 Q4001 C4035 Q4002 C4004 C4030 W837 C4034 L4004 W086 W089 W161 W151 W085 W140 R4006 R4007 TP1002 TP4001 W814 W103 W166 R612 W203 W199 W200 W201 W185 W188 W186 W184...

Page 46: ...1 C688 R683 R1060 R1058 R1059 R1057 R1062 R1065 R1067 R1069 R1068 W900 Q502 W918 C4043 R4026 C1056 R669 Q508 R516 IC1003 R1005 R1053 R1054 C1070 C1069 C1080 R1048 C1077 C1073 C1078 C509 C512 C515_1 R665 R609 R811 R812 C810 C809 R814 R815 C805 R813 C811 R816 C1067 IC4001 C4016 C4015 C4019 C4069 C4054 R4012_1 C4055_1 C4021 C4020 R4039 C4064 R4042 C4066 C4060 C4059 C4044 C4028 R4018 R4019 C4029 Q4012...

Page 47: ...AYBACK LUMINANCE SIGNAL AUDIO SIGNAL REC AUDIO SIGNAL PB RECORD LUMINANCE SIGNAL T4001 1626009 COIL BIAS OSC 1 2 3 4 5 6 IC4001 LA71201M MPB Y C AUDIO CCD HEAD AMP IC 1 10 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 9 PL...

Page 48: ...O CCD HEAD AMP POWER 10 PB 1 0V 5ms div 15 5 0V 20ms div 13 PB 1 0V 5ms div 11 PB 0 5V 0 5ms div 8 POWER ON 1 0V 10µs div 9 PB 1 0V 10ms div 6 POWER ON 1 0V 20µs div 2 POWER ON 100mV 0 1µs div 1 PB 0 5V 20µs div 7 POWER ON 0 5V 10ms div 12 PB 1 0V 0 5ms div MICON 5 REC 10 0V 5us div 3 PB 10mV 20us div 4 PB 0 5V 1ms div 16 500mV 5µs div ...

Page 49: ... waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE WAVEFORMS CRT 22 50 0V 20µs div 21 50 0V 20µs div 20 200mV 20µs div 19 2 0V 20µs div 18 10 0V 5ms div DEFLECTION 17 0 5V 5ms div ...

Page 50: ...MECHANICAL EXPLODED VIEW 205 205 205 205 L503 V801 115 J801 PCB110 CRT PCB PCB030 OPERATION PCB 116 113 120 122 206 101 121 206 SP351 207 ...

Page 51: ...MECHANICAL EXPLODED VIEW 201 201 203 201 123 201 201 201 204 204 124 202 210 204 207 207 107 105 106 112 211 213 211 209 FB401 PCB800 SYSCON PCB 201 201 103 126 212 208 102 110 111 ...

Page 52: ... 328 512 314 502 H5002 511 509 329 330 502 PCB550 DECK PCB ASS Y 303 AA AA AA AA AA AA AA AA AA AA AA AA BA AA 501 356 317 361 309 355 300 502 334 AA UN4001 M2003 510 M101 508 503 503 352 365 CLASS MARK GREASE AA BA Applying positions AA and BA for the grease or oil are displayed for this section Check if the correct grease or oil is applied for each position NOTE OIL ...

Page 53: ...11 333 346 312 331 505 344 AA AA AA AA AA AA AA AA AA AA AA AA 307 354 326 327 322 513 350 308 337 AA 325 AA AA AA 300 NOTE Applying positions AA and BA for the grease or oil are displayed for this section Check if the correct grease or oil is applied for each position CLASS MARK GREASE AA BA OIL ...

Page 54: ...BACK 124 BZ710316 752WSA0223 PLATE DECK SHIELD ASS Y 126 BZ710331 753WUAA006 SPRING EARTH HEAD AMP 201 BZ710036 8117540B04 SCREW TAPPING B0 TRUSS 4x20 202 BZ710322 8117D30804 SCREW TAPPING B0 WH8 3x8 203 BZ710320 8117540804 SCREW TAPPING B0 TRUSS 4x8 204 BZ710034 8117140A24 SCREW TAPPING B0 PAN 4x12 205 BZ710321 8121F50B84 SCREW TAPPING B0 GW20 FLAT 5x28 206 BZ710032 8110630A24 SCREW TAP TITE P BR...

Page 55: ...0207 85OP200291 REEL S S 329 BZ710362 85OP600566 WORM SV 330 BZ710363 85OP600567 BRACKET MOTOR SV 331 BZ710364 85OP300193 GEAR MAIN LOADING 332 BZ710087 85OP300179 GEAR LOADING S 333 BZ710088 85OP300180 GEAR LOADING T 334 BZ710365 85OP300189 HOLDER LOADING GEAR S ZV 335 BZ710090 85OP400472 ADJUST TENSION 336 BZ710093 85OP400492 HOLDER TENSION 337 BZ710092 85OP400490 LEVER TENSION 338 BZ710366 85OP...

Page 56: ... A M3x5 510 BZ710051 810A123504 SEMS A M2 3x5 0 511 BZ710055 82P266005N POLYSLIDER WASHER CUT 2 6x6 0xT0 5 512 BZ710218 82Q2647C5N POLYSLIDER WASHER 2 6x4 7xT0 25 513 BZ710054 82P184505N POLYSLIDER WASHER CUT 1 8x4 5xT0 5 CP101 BZ614040 069R740018 CONNECTOR PCB SIDE 52044 0445 H5001 BZ710040 1523D91034 HEAD AUDIO CONTROL HVMXA1072A H5002 BZ710041 1543D02013 HEAD FULL ERASE HVFHP0032A M101 BZ710044...

Page 57: ... E5EZT4101M CE 100 UF 35V C511 BZ110029 E5EZT3471M CE 470 UF 25V C514 BZ110113 C0JLYR7K3K CC 0 0027UF 2KV YR C517 BZ110115 C0JLYR7H3K CC 0 0022UF 2KV YR C521 BZ110139 E62NFB101M CE 100 UF 160V C524 BZ110100 E5EZ02222M CE 2200 UF 16V C525 BZ110154 E02L00102M CE 1000 UF 6 3V C530 BZ110140 C034F0JQ3M CC 0 0047UF 125V MX C535 BZ110122 C0JLYR7U2K CC 680 PF 2KV YR C550 BZ110159 E50HT5100M CE 10 UF 50 V ...

Page 58: ...10067 TNAAC05002 COMPOUND TRANSISTOR KRC103RTK Q402 BZ510057 TAAT01281Y TRANSISTOR SILICON KTA1281_Y Q403 BZ510068 TNAAJ05003 COMPOUND TRANSISTOR KRC111RTK Q404 BZ510049 TPYJD05001 COMPOUND TRANSISTOR DTA144EKAT146 Q405 BZ510075 TC3T02271E TRANSISTOR SILICON 2SC2271E AE Q406 BZ510036 TD30026270 TRANSISTOR SILICON 2SD2627LS CBC11 Q501 BZ410055 0002500450 PHOTO COUPLER TLP621 GR Q502 BZ510045 TNYJD0...

Page 59: ...12010 0504101T34 SWITCH TACT EVQ21505R SW1005 BZ612010 0504101T34 SWITCH TACT EVQ21505R SW1006 BZ612010 0504101T34 SWITCH TACT EVQ21505R SW1007 BZ612010 0504101T34 SWITCH TACT EVQ21505R SW1008 BZ612010 0504101T34 SWITCH TACT EVQ21505R SW1009 BZ612010 0504101T34 SWITCH TACT EVQ21505R SW1010 BZ612010 0504101T34 SWITCH TACT EVQ21505R SW1011 BZ612010 0504101T34 SWITCH TACT EVQ21505R SW1012 BZ612010 05...

Page 60: ...116281A EYE LET XRY16X28BD EL002 BZ614044 124120301A EYE LET XRY20X30BD F501 BZ614177 081PC05004 FUSE 51MS050LCC FB401 BZ310097 043219011F TRANSFORMER FLYBACK FQI 20B001 FH501 BZ614005 06710T0006 HOLDER FUSE EYF 52BC FH502 BZ614005 06710T0006 HOLDER FUSE EYF 52BC OS1001 BZ614199 077Q004017 REMOTE RECEIVER PIC 37243SR SP351 BZ614128 070W133014 SPEAKER P 300S 2 TH501 BZ410079 DF5EL3R0A0 DEGAUSS ELEM...

Page 61: ...TOSHIBA VIDEO PRODUCTS PTE LTD 438B ALEXANDRA ROAD BLOCK B 06 01 ALEXANDRA TECHNOPARK SINGAPORE 119968 ...

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