THOMSON VK231PS Скачать руководство пользователя страница 126

RLS4153

DW015

BAV20

DP056

BYV28-150

DP064

LL4148

DP024

100n

CS009

(PREP)

DP020

BAV20

DP053

RN1402

TZ001

RN1402

TS003

10R

RS035

(PREP)

RS036

JS024

910R

RZ030

(PREP)

CS008

10n

CS019

1n0

CZ021

(PREP)

CS012

4p7

CI004

RN1402

TS004

RP058

27R

DP054

MTZJ30B

470R

RS016

8m2

LS001

RN1402

TS001

12K

RS017

5n6

CS007

4K7

RS006

33K

RS008

16V

10u

CS013

DET ALC

FTR ALC

NFB EQ

PAMP

RIP FTR

ARB FTR

REC OUT

REC IN

LINE OUT

EQ OUT

EQ IN

LINE IN

PB IN

EQ SW1

GND

HEAD SW

ARB OUT

EQ SW2

ARB IN

VCC

EP/LP/SP

MUTE

EE/PB

REC/EE

GND

EP

LP-EP ON

EP ON        PB

REC

SP

LP

REC

REC

EE

REC

PB

REC

REC

EE

REC

PB

EE

FILTER

RIPPLE

ON

SP_LP

PB

+
-

-

+

REC

EQ

AUTO ADJ

AC BIAS

LINE -

+

MUTE

MUTE

DET

ALC

ALC

LA7286

IS001

2K7

RS011

2K2

RS009

JS021

2K7

RS010

BS030

1K

RZ005

16V

10u

CS002

JS020

BIAS_OSC

LS030

12n

CS018

16V

4u7

CS001

680R

RZ034

1K

RZ055

1K

RZ031

680R

RZ033

1k3

RZ036

680R

RZ037

10R

RZ060

16V

4u7

CS010

1K

RZ015

10K

RS019

16V

47u

CS020

50V

1u

CS011

56K

RZ019

TP023

2SA1020

220R

RS012

47n

CS033

10n

CS003

12n

CS017

CS032

10n

CS031

10n

1n

CI041

47u

CW004

JS023

16V

10u

CS006

16V

47u

CS030

100n

CS004

100n

CS005

1n2

CS015

1n2

CS014

RS034

180R

1n2

CS022

RS032

8K2

4R7

RS033

330K

RS003

2K

RS013

47R

RS031

5K6

RS005

1M2

RS007

27K

RS014

150R

RS001

P1

(PREP)

CS016

12K

RS004

BS031

BAV20

DP040

N10

FP051

180K

RP008

1N5822

DP066

1KV

1n

CP021

FR104

DP019

ZPD6.8

DP034

16V

100u

CZ030

BAV20

DP025

100V

4u7

CP025

4N25TV

IP050

LL4148

DP082

220K

RP006

LL4148

DP081

16V

100u

CZ033

0R

LZ074

50v

47u

CZ015

FR104

DP051

100V

1u

CP040

1K

RP094

LL4148

DP071

0R22

RP012

12K

RW004

10R

RP056

10k

RP057

BAV20

DP012

FR104

DP023

1K

RP085

400V

470p

CP056

275V

100n

CP001

47u/50V

CP057

10R

RP081

0R33

RP023

N10

FP044

2n7

CS024

3K3

RP037

47K

RP083

T1L

FP001

100R

RP038

25V

470u

CP064

470R

RP034

MTZ4V3C

DP073

RN2403

TW002

10V

100u

CP051

4.7u

CW002

JS026

16V

1000u

CP067

1K

RP033

400V

470p

CP053

33u/50V

CP054

150R

RP098

1K0

RP026

16V

1000u

CP066

BYW27-1000

DP004

P15

(PREP)

DP038

LL4148

DP037

6u8

LP066

220K

RP005

50V

82p

CP038

2K7

RI041

1n

CI001

P13

2K2

RW010

4K7

RW009

BC548/B

TW004

1K

RP077

1K2

RW002

4K7

RW003

TW005

BC369

220R

RP065

2SC1959Y

TS030

10u

LZ001

120u

LZ031

68u

LZ030

5K1

RW007

50V

1n5

CP022

100V

1u

CP082

TP022

BC337-40

35V

220u

CP061

FR104

DP061

(PREP)

RP061

180K

RP082

180K

RP009

220K

RP007

4R7

RP020

18K

RI010

25V

100u

CP065

(PREP)

RW008

FE-4210

TUNER

16V

100u

CW003

220R

RZ071

27p

CZ036

100p

CZ035

18p

CZ034

22n

CZ013

2k2

RW005

(PREP)

RW011

22K

RW081

0R

DZ003

LL4148

DZ002

LL4148

DZ005

LL4148

DZ004

1K

RP035

LL4148

DW007

BC848/B

TW001

4R7

RW001

BC858/B

TZ032

BC858/B

TZ057

2SC2236

TW003

ZMM5V1/2%

DW010

12V

DW006

BC848/B

TZ031

BAV20

DP031

0R

LZ075

270R

RW006

220R

RW084

220R

RW083

BC368

TW083

180R

RW030

22U

LP064

(PREP)

CZ005

JZ075

10u

LZ005

100R

330R

RP071

25V

100u

CP095

180K

RP011

100V

1u

CP081

1K

RP029

7K5

RP041

22R

RP028

100R

RP025

470K

RP084

10K

RP087

25V

100u

CP023

10K

RP086

1K

RP040

TP082

BC858B

3K

RP027

RP073

50V

2n2

CP041

BP001

BYW27-1000

DP001

BYW27-1000

DP003

4K7

RP022

22R

RP021

BUL312

TP020

180R

RP019

BYW27-1000

DP002

63V

3n3

CP024

TP086

BC848B

1K

RZ009

2K7

RZ011

RN1402

TZ010

27K

RI077

10u

LZ011

100uH

LS002

47u

CS023

22n

CI022

0R

CI032

100n

CI077

(PREP)

RI064

TP071

BC858B

330R

RI065

27p

CI029

12R

RI022

0R

RI055

5.5MHz

FI090

270p

CI079

10n

CI063

RN1404

TI050

5K6

RI054

6K8

RI059

TDA9818

II050

330R

RI053

BA592

DI041

BA592

DI040

BA592

DI010

RN1404

TI040

10K

RI060

1K

RI061

220n

CI026

680R

RI062

BA592

DI020

BA592

DI001

RN1404

TI060

GND

O2

O1

I2

I1

OFWK9453M

FI020

0R

RI051

1K

RI063

RN1404

TI045

E

B

C

MMBTH10LT1

TI020

15u

LI030

56p

CI031

22p

CI030

10n

CI070

56p

CI010

JS007

27p

CI007

22n

CI043

1n

CI021

180R

RI004

0R

RI052

3K3

RI020

15K

RI007

6p8

CI005

6p8

CI003

2u2

CI025

15p

CI009

1n

CI040

100n

CI008

100R

RI024

10K

RI071

2K7

RI043

15K

RI006

4K7

RI042

15K

RI070

22n

CI020

47R

RI025

22u

CI028

330R

RI056

10n

CI045

4K7

RI040

22n

CI011

1K

RI021

2u2

CI024

22R

RI023

5p6

CI002

15K

RI005

10R

RI001

4K7

RI003

SFS5.5MHz

QI070

6.5MHz

FI091

3K3

RI067

RI068

91R

u33

LI020

GND

O2

O1

I2

I1

FI010

K3953M

15K

RI008

22K

PI050

3K3

RI069

47u

CI069

560R

RI066

27K

RI078

40.4MHz

FI001

BA592

DI002

100K

RI057

10n

CI027

100n

CI050

BC337-40

TP096

82K

RI058

2K2

RZ020

3u3

LI040

RN1402

TZ020

RN1402

TZ019

1N4001

DW086

1N4001

DW087

220K

RP004

RP052

1R

(PREP)

RP096

(PREP)

RZ006

0R

DS001

(PREP)

CS021

P14

10444940

LP050

BW001

TI010

BC857B

2*33mH

LP001

100n

CZ072

(PREP)

RZ073

100K

RZ072

220R

RZ070

47K

RP024

(PREP)

CP020

22R

RP030

25V

100u

CP068

39R

RP067

OR

DP041

1.5R/1W

RW085

0.25W

1R

RP095

2SA1020

TP095

(PREP)

RP060

(PREP)

RP062

LL4148

DP097

LL4148

DP096

0.25W

2K2

RP031

100U

CW020

AC1

JW017

JP002

JP008

JP005

JP006

JP001

JP016

JP003

JZ074

0R

RW012

JP015

JP017

JP018

JP019

JP009

JW001

JP014

JW005

JW015

JW003

JW031

JP041

JW004

JW013

JP010

JW030

JP013

JZ206

JZ224

JZ001

JS001 JS005

JS010

JS006

JS004

JS009

JS003

JS002

TZ033

BC858/B

JI040

JI017

JI025

JI032

JI001

JI009

JS012

10n

CZ010

JS011

WP001

ZMM3V9

DP044

JI030

P2

220n

CZ055

337-40

TW006

JI033

5K6

RZ010

JZ225

JI035

JW016

JI011

JZ222

JP024

(PREP)

RP001

JP030

JW002

JW007

JI041

JS025

JI002

JI003

JZ002

JI036

JI043

JZ216

JZ228

JZ223

JZ203

JZ202

77.8MHz

FI030

JW032

31.9MHz

FI002

JZ227

JS022

JP020

4K7

RI080

JZ205

JW034

JZ221

JZ215

JZ214

2u2

LZ032

JI044

JZ003

470R

RZ076

270p

CZ076

JZ208

JZ204

JZ207

JS008

JW006

JZ213

10R

RP053

JZ210

JI037

JP011

JI042

JZ226

47n

CS026

ZMM33

DP005

RZ039

1K

RZ038

560R

JW008

JZ005

JZ009

JZ220

JZ008

P11

AC2

P16

P12

P9

P10

100P

CS025

1n0

250Vac

CP050

15K

RP092

ZPD22

DP033

385V

47u

CP010

P7

P19

P8

P5

P17

P3

P6

P20

P18

P4

2n2

CZ011

(PREP)

DW005

Safety Part

When repairing, use original part only

Piece de securite

N'utilisez que les pieces d'origine

Bei Ersatz nur Originalteil verwenden

Sicherheitsbauteil

MA2062-A

DP067

3.3u

LZ006

180p

CZ006

100V

100n

CP071

JS027

0R

RP045

0R

RP046

(PREP)

DZ001

63V

22n

CP031

BC848B

TI055

63V

22n

CP032

PB_ON

PGND

PGND

PGND

PGND

PGND

PGND

PGND

PGND

PGND

PGND

PGND

PGND

PGND

PGND

PGND

PGND

PGND

PGND

PGND

PGND

PGND

STDI

AGC

AGC

AE/FE_HEAD

AE/FE_HEAD

TUAGC

A_LIN_PB

A_LIN_REC

+12VSD

CTL_BIAS

CTL_BIAS

IF

LZ005P2

+5_IF

+5_IF

+5_IF

+5_IF

+5_IF

+5_IF

+5_IF

REC_ON

IIC_CLK_EV

+5.1VE

+5.1VE

+5.1VE

+5.1VE

+5.1VE

+5.1VE

+13.3VE_DM

V_EE_PB_MD

-UH

+12VS

+12VS

+12VS

+12VS

+12VS

+12VS

+12VS

AUD_MUTE2

GND

GND

GND

GND

GND

GND

GND

GND

GND

IIC_DA_TU

IIC_CLK_TU

A_EE_PB_MD

A_EE_PB_MD

REC_INPUT

PG

31.9_TRAP

SPD1

P_R_CTL1

P_R_CTL1

SPD2

SPD2

-32VE

AUTOPROG

+UH

+14VE

+14VE

POWER_ON

DVCC

32V

+12.6VE_CM

DFF

A_IF

IIC_DA_EV

V_IF

CTL_OUT

AFT

PB_YC1

+5V

-5VE

A_EE_PB

A_EE_REC

+5VS

+5VS

+5VS

+5VS

+5VS

+5VS

+5VS

+5VS

+33VE

+33VE

+33VE

ANT_SW

ANT_SW

ECO_ON_OFF

+12.6VE_LM

B_1(L')

AUD_MUTE

NORM

MOD_V_IN

VM_+20VE

FPLL

AGC

SIF

DEMODULATOR

FM-PLL

REFERENCE

VOLTAGE

AMP.

VIF

AM DEMODULATOR

INTERCARRIER MIXER

QSS MIXER

MODE SWITCH

INTERCARRIER

AMP.

SIF

VCO

TWD

AFC

DETECTOR

VIF

AGC

TUNER

AGC

VIDEO DEMODULATOR

AND AMP.

3

2

1

3

2

1

8

6

5
4                 1

2

3

7

2

1

2

3

1

2

3

1

1

2

3

4

5

4

3

2

1

1       2      3

4      5       6       7      8       9    10

11    12

13

14

15

16

17

18

19

20

21

22

23

24

20

24

23

22

21

19

18

17

16

15

14

13

12

11     10      9        8        7        6        5       4        3        2        1

7

6

5

4

3

2

1

2

1

6

5

4

3
2
1

8

7

3

3

2

2

2

1

1

1

4

4

4

5

5

5

6

6

7

7

8

8

13

12

11

10

9

8

7

6

5

4

3

2

1

3

4

1

2

6

5
4

3

2

1

12

5

13

6

15

11

18

4

8

3                                       14

10

17

16

7

1

2

9

(PCB REFERENCE: 20663160.SA

(LAST UPDATE: 14/01/97)

4T

95T

95T

3T

23T

22T

4T

3T

7T

10T

12T

4T

FOR ECO STANDBY ONLY

 

 

 

 

16V

(PREP)

 

 

 

 

(MAXI)

250V

230-264VAC

* POSITION PREPARED WITHOUT VALUE ARE NOT USED.

(18)

(NTSC ONLY)

REC

 

 

 

 

 

 

20719610 (MAIN POWER/AUDIO/TU/IF PS/PSR)

SFS6.5MHz

 % QI075

2

3

1

% : Delete for PS/PSR models only

MAIN

POWER SUPPLY INTERFACE / TUNER / IF SECTION - INTERFACE ALIMENTATION / TUNER / FI - NETZEIL INTERFACE / TUNER / ZF - ALIMENTAZONE / TUNER / IF - INTERFAZ ALIMENTACIÒN / TUNER / IF
SCHEMATIC DIAGRAM - SCHEMA DE PRINCIPE - SCHALTBILD - SCHEMA - ESQUEMA

Содержание VK231PS

Страница 1: ...on Les descriptions et caract ristiques figurant sur ce document sont donn es titre d information et d ex cution r serv s pour tous les pays et non d engagement En effet soucieux de la qualit de nos p...

Страница 2: ...n Les descriptions et caract ristiques figurant sur ce document sont donn es titre d information et d ex cution r serv s pour tous les pays et non d engagement En effet soucieux de la qualit de nos pr...

Страница 3: ...R6000 CAT 1 CHASSIS VIDEO RECORDERS...

Страница 4: ......

Страница 5: ...1 CONTENTS INTRODUCTION 3 SETUP MORE 11 POWER SUPPLY 17 MECANISM 31 SERVO CONTROL 37 PROGRAMMIG OSD 51 SERVO CONTROL 61 SWITCHING 79 VIDEO PROCESSING 85...

Страница 6: ...2...

Страница 7: ...3 INTRODUCTION...

Страница 8: ...4...

Страница 9: ...27 VR8047 VK231PS VK431PS THOMSON SABA BRANDT EXPLANATION OF CHASSIS MODEL NUMBERS R Video recorder First digit Series to which device belongs in this case 6 6000 Series Second digit Brand of device 0...

Страница 10: ...MOTION OPEN ENDED RECORD PLAY AUTOMATIC AV RECORDING COLLISION MESSAGE PICTURE PEAK ADJUSTMENT SATELLITE RECEIVER CONTROL PLAY NTSC ON PAL TV Automatic channel name memory VP2750 VR8027 VK231 VP4750...

Страница 11: ...UR STANDARD PAL SECAM MESECAM PAL SECAM MESECAM PAL SECAM MESECAM AUTO CHANNEL MEMORY YES YES YES CHANNEL CLASSIFICATION NO YES YES OSD ON TV YES YES YES AUTO TIME SET NO YES YES PROGRAMMING 8 progs o...

Страница 12: ...8...

Страница 13: ...appears on the video recorder display Use the AV key to select the system SYS 1 France L standard SYS 2 Western Europe BG standard SYS 3 Eastern Europe DK standard Press A to continue After a few seco...

Страница 14: ...10...

Страница 15: ...11 SETUP MODE AND SELF DIAGNOSIS...

Страница 16: ...0 4 0 0 0 0 0 0 0 5 8 8 8 8 8 8 8 6 4 E E 4 E 4 E 7 4 4 4 0 0 0 0 8 4 4 5 4 4 4 4 9 B B B B B 4 4 10 0 0 0 0 0 0 0 11 9 9 B 9 9 1 1 12 1 1 3 1 1 1 1 13 0 8 A 0 8 0 8 14 3 3 3 3 3 B B Model R6015CE R60...

Страница 17: ...entered according to the characteristics of the device see summary table DATA ENTRY The digit to be confirmed flashes on screen Use the number keys on the remote control to make entries or changes Pr...

Страница 18: ...04 Play 11 Reverse play 12 Search Play 44 Record 84 Image pause C4 Record pause 40 Record Record pause 10 Search 5 6 7 and 8 Function in progress before error bit 0 Normal 0 0 0 0 Record 0 0 0 1 FRAM...

Страница 19: ...RROR MESSAGE DISPLAY There are two ways to do this Via Setup mode when the Service Setup page is displayed on screen press the Fast Forward key on the remote control In Stop or Standby Mode when nothi...

Страница 20: ...16...

Страница 21: ...17 POWER SUPPLY...

Страница 22: ...5 DP025 RP037 DP037 038 RP038 CP038 DP023 RP023 RP004 005 006 007 008 009 FP44 CP010 DP002 DP003 DP001 DP004 300V 4 6 5 8 3 9 1 RP028 7 RP012 DP012 DP041 DP040 RP041 RP040 CP040 SECONDARY REGULATION I...

Страница 23: ...LP050 via DP23 and RP23 LOCKING OF SWITCHING DEVICE TP20 When the voltage at the terminals of RP20 is sufficiently high TP22 conducts followed by TP23 CP23 is then connected between the base and emitt...

Страница 24: ...5 DP025 RP037 DP037 038 RP038 CP038 DP023 RP023 RP004 005 006 007 008 009 FP44 CP010 DP002 DP003 DP001 DP004 300V 4 6 5 8 3 9 1 RP028 7 RP012 DP012 DP041 DP040 RP041 RP040 CP040 SECONDARY REGULATION I...

Страница 25: ...ndaries require little energy in Stand by Mode the saturation time of TP20 tends to fall to 0 2 s frequency on the order of 200 kHz This value is too low and would affect power supply efficiency in th...

Страница 26: ...300V 4 6 5 11 8 14 7 10 9 1 RP028 3 RP012 DP012 DP041 DP040 RP041 RP040 CP040 DP033 CPO31 032 DP034 DP031 RP033 RP034 RP073 RP035 RP073 RP067 RP065 RP011 DP005 DP044 DP020 16 17 UH UH RP056 33 VE 18...

Страница 27: ...se two voltages polarise the base of TP022 CP068 allows IP050 to handle abrupt variations of 14VE motor start up SECURITY To avoid security problems a new component called Protector Module e g FP044 h...

Страница 28: ...17 UH UH RP056 33 VE 18 CP054 DP053 RP053 32 VE DP081 082 CP081 082 36 VE VM 20VE 15 14 VE 13 5VE DP067 CP064 CP066 CP067 CP065 CP064 DP064 DP066 LP066 12 DP054 DW010 CW004 RW005 5 VE ON OFF FROM PIN...

Страница 29: ...ion is enabled by Line 7 of the main menu which supplies a Level 1 to Pin 24 of the control microprocessor during the changeover to Standby Mode This saturates the two transistors The saturation of th...

Страница 30: ...E 18 CP054 DP053 RP053 30 VE DP081 082 CP081 082 36 VE VM 20VE 15 14VE 13 5VE DP067 CP064 CP066 CP067 CP065 LP064 DP064 DP066 LP066 12 13 6 VEDM 13 VECM 13 VELM RW 085 DW086 DP054 DW010 CW004 RW005 5...

Страница 31: ...age used to over supply the capstan motor for the REWIND function Pin 15 via DP064 CP064 LP064 CP065 a 14 VE voltage This voltage is used to obtain three voltages to supply power to the motors 13 6 VE...

Страница 32: ...28 140 V 120 V 0 0 9V 6 V 0 17 V 0 25 V 1 V 0 2 V 0 0 0 10 s 46 s 63 s TP20 COLLECTOR TP20 BASE TP20 EMITTER TP22 BASE 6 V 1 3 V...

Страница 33: ...nt Resistors RP004 through RP011 using a 10k resistor Power the video recorder with 12 V dc via the mains connector In this configuration the following measurements are obtained on the secondaries DP0...

Страница 34: ...30...

Страница 35: ...31 MECHANISM...

Страница 36: ...to the chassis Capstan motor Function control motor Functions of the Capstan Motor Sets the tape winding speed Drives the reel stands via a belt and a free wheel Functions of the Function Control Moto...

Страница 37: ...pe is not loaded and the cassette is ejected The tape start and tape end phototransistors and the mechanism position switch indicated whether or not a cassette is present in the device Tape start phot...

Страница 38: ...the drive axle 14 by pressing A Remove the drive axle 14 by pulling upwards Remove slide 40 as follows Remove the spring 39 Release the levers on each side of the take up reel stand from the slide tak...

Страница 39: ...rol tappet in the first cam groove from the axle Reinstall the lever 25 by inserting its tappet in the second cam groove from the axle Reinstall the slide 40 Pay attention to the tape tensioning arm r...

Страница 40: ...36...

Страница 41: ...37 SERVO CONTROL...

Страница 42: ...38...

Страница 43: ...y the static and dynamic status data These data allow the microcontroller to decide whether to execute or reject an order The servo control microcontroller controls the following via interfaces Capsta...

Страница 44: ...03 16MHz 12 VS 5 VS ON 5 V RESET AVCC2 1 2 3 1 5Vcc LT001 RT073 AVCC1 5 VD TW005 RW009 RW010 TW004 CW002 RW012 RW030 RW006 RT017 RT018 RW002 RW007 RT067 CT049 CW003 33 VE CT053 DT013 RT081 0 1F CT032...

Страница 45: ...1 Pin 14 DVCC2 Pin 64 AVCC1 Pin 45 Pin 80 of IT001 also receives a switched 5 V voltage AVCC2 This voltage is present in ON Mode only If one of the power supply tensions of IT001 is missing Diode DW00...

Страница 46: ...TIONS IR RECEPT 71 72 73 67 70 21 19 95 97 48 KEYBOARD CTL BUS CK K DATAS REMOTE CONTROL CODE IK01 C TIMER IT001 C SERVO CONTROL KEYBOARD FUNCTIONS IR RECEPT 18 19 9 12 25 26 95 97 48 KEYBOARD CTL BUS...

Страница 47: ...s present at 19 or 26 of IK01 This clock consists of 8 bit bursts The clock period is 16 s REMOTE CONTROL The remote control function code is a 12 bit serial word It arrives at 48 of IT001 It has the...

Страница 48: ...SETTE DETECT LED CASSETTE 5VE RT012 ST001 5Vpp 5Vpp 11 1 2 16 15 3 1 4 2 RT001 5VE IT003 GT001 GT002 H 0 5Vpp H 0 5Vpp CAM B CAM A 41 33 32 REG SAVE CTL HEAD CAPSTAN MOTOR MR MR CTL PULSES CAPSTAN FG...

Страница 49: ...REEL STAND POSITION SENSOR CAPSTAN SPEED SENSOR SUPPLY REEL STAND POSITION SENSOR CAPSTAN SPEED SENSOR CAPSTAN SPEED SENSOR CONTROL PULSES IT001 PINS 47 82 82 81 41 81 41 41 33 COMMENTS Monitors drum...

Страница 50: ...TART 30 TT 003 ON 5V 7 CASSETTE DETECT LED CASSETTE 5VE RT012 ST001 11 GT002 CAM B CAM A REC SAVE 12 6VE IT002 MOTOR INTERFACE 26 25 1 9 3 7 6 8 2 5 5VE M 7 0 14V 0 3 0 0 14V 9 5V 0 5V 1 5V 5V 0 STOP...

Страница 51: ...0 Function control motor rotates forwards Pins 52 and or 50 of IT001 indicate when cassette loading is complete TAPE LOADING AND POSITIONING OF MECHANISM PARTS Signals CAM A B and C tell IT001 the po...

Страница 52: ...1 9 7 5 3 20 18 16 14 12 10 8 6 4 2 1 TX352 12 6 VE LM TX351 RX353 1 Kohm RX358 1 Kohm TX350 51 23 SCART ACT 5 V 16 9 5 V CTL PULSE 33 IT001 24 ms 16 ms 2 5 2 5 NORMAL CTL PULSE 16 9 CTL PULSE N 16 9...

Страница 53: ...the duty ratio of the recording and control pulses must be altered The falling edge of the control pulses is shifted by 2 5 in alternation In Play Mode the servo control control circuit IT001 detects...

Страница 54: ...50...

Страница 55: ...51 PROGRAMMING OSD...

Страница 56: ...87 6 5 8 10 83 84 64 63 11 TUNER MODULATOR according to the version IT 004 IV001 EEPROM IR Z 39 64 71 72 33 67 70 9 10 15 32 Display Keyboard CK CK Data S K Data K S Reset Strobe SDA SDA VIDEO PROCESS...

Страница 57: ...26 of IK001 Bus I2C carries signals output from Pins 86 and 87 to the EEPROM IT004 the tuner and the modulator IT001 RESETS IK001 from Pin 55 An enable command at IT001 Pin 54 is sent to Pin 3 or 22...

Страница 58: ...K001 MCU DISPLAY CTL 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 a b c d e f g h i j k l m n o 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 49 48 47 46 45 44 43 42 41 40 39 38 37 36 UH UH 1 2 46 47 38 41...

Страница 59: ...el control keyboard d Camera video audio input socket circuit AV3 on the front panel on certain models e Satellite receiver control circuit on certain models DISPLAY The control MCU IK001 issues the d...

Страница 60: ...ower ON 14 D Vcc 1 64 D Vcc 2 57 58 60 61 30 IT 001 CP081 082 12 DP081 13 18 14 RP085 5 VE LP081 CP082 1000uF CP081 1000uF CT053 0 1F Halt 49 LP20 TW004 TW005 TW006 RT061 DT013 DP082 081 36 VE RP084 R...

Страница 61: ...ed and impose a low level on the collector of TP086 This signal is transmitted to Pin 49 of servo control microcontroller IT001 POWER GOOD or microcontroller halt 0 1 F Battery CT053 powers VCC1 Pin 1...

Страница 62: ...17 73Mhz H V from 3 IV500 AV1 AV2 FI FCB SEL 1 SEL 2 h l l l h 67 75 70 69 5V FULL SCREEN 5Vcc MIX SCREEN OSD VIDEO SYNCHRO BLUE BACKDROP 1Vcc Full Screen CHARACTERS SYNCHRO CHARACTERS 1Vcc Mix Screen...

Страница 63: ...controller IT001 supplies a signal of amplitude 1 Vpp from its Output 75 This signal consists of a blue backdrop on the 4 43 MHz PAL carrier white characters and the L T synchronisation signal This si...

Страница 64: ...60...

Страница 65: ...61 SERVO CONTROL...

Страница 66: ...ER DRUM FG PG SIGNALS GENERAT CTL DRUM START OSC IT001 SERVO QT003 SYNCHRO VM VM CAPSTAN ROT FWD REV 600Hz 7Hz 16MHz 60 61 47 100 70 53 99 41 NORMAL SPEED 758Hz SEARCH 9 6 8KHz FAST FORWARD REWIND 1 5...

Страница 67: ...ntrol track to indicate the position of Video Track 1 PLAY 1500 rpm rotation FUNCTION OF CAPSTAN SERVO CONTROL RECORDING The capstan must simply wind the tape at an exact stable speed of 2 339 cm s SP...

Страница 68: ...64...

Страница 69: ...Y SPEED SENSOR GT001 OSC 25 Hz CONTROL PULSES OSCILLATOR RESET BY SYNCHRO V POSITION SENSOR GT001 SPEED SENSOR OSCILLATOR SPEED SENSOR PAUSE CAPSTAN MOTOR STOP SEARCH F FWD F REW SPEED SENSOR OSCILLAT...

Страница 70: ...drum FG PG IV500 IT001 FLIP FLOP 25Hz RT014 015 CT014 015 VM DRUM QT003 16MHz HEAD 1 1 5Vc c SYNC H V 4V 0 2 16 15 1 2 4 3 1 RT001 5VD GT001 IT003 H H 25Hz 600Hz 25Hz 200Hz 0 4Vcc 0 5V pin15 same sig...

Страница 71: ...7 of IT001 Recording frame synch Pin 70 of IT001 GENERATION OF DRUM VM A PWM 5 Vpp signal is present on Output 100 of IT001 Its period is 24 s This signal is integrated by network RT014 CT014 and RT01...

Страница 72: ...11 14 6 10 7 8 9 600Hz 7Hz OUTPUT AMPLIFIER OUTPUT AMPLIFIER OUTPUT AMPLIFIER START OSC COUNTER DECODER CK VM SIGNAL GENERATOR CTL MOTOR DRUM MOTOR START STOP CT016 RT008 RT009 IT003 4 Vcc 10 Hz 0 1V...

Страница 73: ...Hz at 70 of IT001 It is available on Output 33 of IT001 INDEX MARKING IS The duty cycle of these control pulses is modified at the start of each recording STOP to RECORD and when the INDEX key is pre...

Страница 74: ...70 NOTES...

Страница 75: ...y IT001 Note Two magnetoresistive elements are used They react in a similar way to Hall elements These two elements are located in the same box and are mechanically positioned to supply two signals FG...

Страница 76: ...3 IT001 CTL HEAD RT043 16ms 24ms 24ms 16ms 3Vc c PB 5V 0 QT003 16 MHz TRIGGER 32 34 37 36 38 39 46 RT042 RT041 CT026 CT025 BW006 60 61 35 PEAK DETECT U REF FF REWIND E L PEAK DETECT 4V PB 1V PB 2 4V C...

Страница 77: ...signal deformation through amplifier saturation or blockage which would lead to errors in INDEX searching The voltages at the terminals of Capacitors CT025 and CT026 indicate the minimum and maximum...

Страница 78: ...es a 2 5 Vpp PWM signal with a period of 48 s After integration by RT004 CT002 this signal limits the current in the capstan motor The voltage obtained after integration is in the region of 2 4 V Duri...

Страница 79: ...every 40 ms During Track 1 and in LP Mode the level of the MF envelope is increased by the disconnection of RV187 This tracking adjustment comes into operation when A new cassette is loaded The FM env...

Страница 80: ...motor 150 ms later the capstan motor is placed in forward rotation mode for 20 ms At the end of this cycle Microcontroller IT001 seeks a control signal rising edge reference Track 1 A few milliseconds...

Страница 81: ...Play Mode tape speed is halved This function is incorporated in RECORD mode by a Standard Play Long Play switch This function is automatically incorporated in PLAY mode by counting the capstan speed...

Страница 82: ...78...

Страница 83: ...79 SWITCHING...

Страница 84: ...6 IT 001 6 9 10 3 1 2 4 5 TX 350 TX351 COMMUT 94 22 21 INSEL 1 INSEL 2 PB ON PB ON INSEL 2 INSEL 1 IN frontal AU IV001 IX 004 IX 003 28 38 V EE REC VIDEO OUT V IF 3 1 3 1 V EE PB AV1 AV2 TV020 IV401 T...

Страница 85: ...om front panel connector AV3 This circuit is controlled by servo control Microcontroller IT001 INSEL 1 21 and INSEL 2 22 An integrated circuit IX003 MM1226 handles decoder switching It is controlled b...

Страница 86: ...20 18 16 14 12 11 9 10 8 7 5 3 1 6 4 2 Audio EE REC 6 10 IX 001 IX 002 IX 002 4 3 H H L L 5 9 12 14 13 11 Audio IF Audio Front AV AV3 Audio EE PB ES TX204 TX214 AV1 AV2 ES DECODER from 27 IT001 MONIT...

Страница 87: ...witches IX001 and IX002 are created using Integrated Circuits MC14052 and MC14053 controlled via IT001 The audio switching table is identical to the video switching table The microprocessor controls I...

Страница 88: ...84...

Страница 89: ...85 VIDEO PROCESSING...

Страница 90: ...LAMP vers 4 de BV001 DETECT CHROMA TV013 EF 1 2 4 5 3 28 34 38 CV037 37 42 40 5 7 10 39 59 25 26 62 CV023 IV001 IX001 COMMUT IV100 KIL DET AV1 AV2 FI FCB 1Vcc 1 5V 4Vcc 0 35Vcc 0 3Vcc 0 5Vcc Vid o out...

Страница 91: ...38 of IV001 and impedance adapter TV020 This output is used for the control channel A 3 MHz cutoff frequency low pass filter The purpose of this filter is to eliminate the chroma component of the comp...

Страница 92: ...MF MODULAT COL ROT IT001 C 26 64 63 CV008 66 18 LV014 134 CV134 140 RV134 2 5 RV038 RV039 4 SYNC from 37 from IV001 BV001 93 89 92 to REC AMPLI DFF HASEL 5Vcc 0 3cc 0 1 6V 3 2V 5V LD VN 100mVcc CHROM...

Страница 93: ...arrives at the non linear pre emphasis circuit Pre emphasis also increases high frequency low level signals Signal Y then arrives at the main pre emphasis stage This pre emphasis amplifies high freque...

Страница 94: ...MF MODULAT COL ROT IT001 C 26 64 63 CV008 66 18 LV014 134 CV134 140 RV134 2 5 RV038 RV039 4 SYNC from 37 from IV001 BV001 93 89 92 to REC AMPLI DFF HASEL 5Vcc 0 3cc 0 1 6V 3 2V 5V LD VN 100mVcc CHROM...

Страница 95: ...ilable on IV001 Pin 18 It then goes through a high pass filter with a cutoff frequency of 1 5 MHz This filter eliminates part of the lower side band of the luminance signal to avoid any overlap with t...

Страница 96: ...om 3 IX001 LC001 CC005 MUTE ENR 11 TC009 EF E L DET CONTR logi mode CTL DET contr logi mode CTL Adj Filtres CAF 16 4 43 MHz from TV044 TC014 EF TC001 INV COL OFF 11 BC100 KIL DET 13 BC100 IC101 14 13...

Страница 97: ...cuit clips the signal thus transforming the input sinusoidal signal into a square signal This creates good conditions for entering the four way divider At the divider output the SECAM chroma signal is...

Страница 98: ...PREACC BURST CONVERT 1 5 06 BALANCE E L PAL CHROMA DETECT VCO COMPAR 8 CONVERT 2 VXO MESECAM 90 PULSE GENE BURST GATE 2 FH FH SHIFT 90 MESECAM RV015 CV032 CV 031 RV 016 CV 033 CV 061 36 76 5VS 2 27 57...

Страница 99: ...AGC stage and a band pass filter with central frequency 4 3 MHz This filter selects the PAL chrominance component The signal is then sent to the ACC stage ACC STAGE The ACC Automatic Color Control is...

Страница 100: ...REACC BURST CONVERT 1 5 06 BALANCE E L PAL CHROMA DETECT VCO COMPAR 8 CONVERT 2 VXO MESECAM 90 PULSE GENE BURST GATE 2 FH FH SHIFT 90 MESECAM RV015 CV032 CV 031 RV 016 CV 033 CV 061 36 76 5VS 2 27 57...

Страница 101: ...d the line sync time signals to increment the phase shifter The 626 953 Hz signal is applied to the first input of Converter 2 PRODUCTION OF 4 43 MHz This signal is generated by a VCO controlled by a...

Страница 102: ...PREACC BURST CONVERT 1 5 06 BALANCE E L PAL CHROMA DETECT VCO COMPAR 8 CONVERT 2 VXO MESECAM 90 PULSE GENE BURST GATE 2 FH FH SHIFT 90 MESECAM RV015 CV032 CV 031 RV 016 CV 033 CV 061 36 76 5VS 2 27 57...

Страница 103: ...is selected by a low pass filter with a cutoff frequency of 1 4 MHz The PAL chroma signal available on IV001 Pin 14 is sent to the SECAM module Resistors RC031 and RC033 set its amplitude The PAL chr...

Страница 104: ...V039 RV099 RV098 TV019 TV018 RV 032 CAG DET CAG CV037 DROP OUT DETECTOR DOUBLE LIMITOR DEMOD MAIN DESEMPHASIS L E 84 20 22 IV001 IT001 C DFFHASEL COMPAR VID ENV from PREAMP DFF HASEL VN LD BV001 0 4Vc...

Страница 105: ...issues the following signals BV001 Pin 8 Y FM and chroma signal BV001 Pin 7 comparator signal used for standard speed search and giving the level of the signal read by head pair SP1 LP2 or SP2 LP1 BV0...

Страница 106: ...V039 RV099 RV098 TV019 TV018 RV 032 CAG DET CAG CV037 DROP OUT DETECTOR DOUBLE LIMITOR DEMOD MAIN DESEMPHASIS L E 84 20 22 IV001 IT001 C DFFHASEL COMPAR VID ENV from PREAMP DFF HASEL VN LD BV001 0 4Vc...

Страница 107: ...reconstitutes the high frequencies of the luminance signal These high frequencies generated mainly by the pre emphasis peaks were strongly attenuated during the head to tape transfer To do this the l...

Страница 108: ...7 10 59 60 QV001 4 43MHz CV023 IV100 AMPLI D R YNR 39 0 35Vcc 0 3Vcc DROP OUT DETECTOR from TC005 PV 76 IT001 IV001 CLAMP 26 NL DESEMPHASIS SHARPNESS NOISE REDUCT MIX L E MUTE AMPLI to TV020 CHROMA PB...

Страница 109: ...input of the switch and to the second input of the noise reducer When a dropout is detected on the input FM signal the detection stage forces the delayed channel to be taken into account which compens...

Страница 110: ...e t tes LC001 CC005 MUTE LECT 17 E L DET CONTR logi mode CTL Adj Filtres CAF 16 4 43 MHz de TV044 TC014 EF TC001 INV COL OFF 11 BC100 KIL DET 13 BC100 IC101 14 13 12 9 10 11 15 1 2 C SYN 12 BC100 E L...

Страница 111: ...es good conditions for entering the first times two multiplier After being output from the multiplier the SECAM chroma signal is transposed to 2 14 MHz The band pass filter with central frequency 2 2...

Страница 112: ...1 36 76 5VS 2 27 57 66 COL ROT from 92 IT001 51 IV001 TV003 ES VN LD from 93 IT001 8 TV004 5VS RV223 RV007 RV005 TV002 BV001 CV030 49 CCD DELAY 1 H CCD DELAY 1 H 4 3 52 46 NAP 3 1 13 12 50 48 10 PAL N...

Страница 113: ...s filter with cutoff frequency 1 4 MHz selects the PAL chroma component ACC STAGE The ACC used for playback is the same as that used for recording A PAL chroma signal with bursts of constant amplitude...

Страница 114: ...1 36 76 5VS 2 27 57 66 COL ROT from 92 IT001 51 IV001 TV003 ES VN LD from 93 IT001 8 TV004 5VS RV223 RV007 RV005 TV002 BV001 CV030 49 CCD DELAY 1 H CCD DELAY 1 H 4 3 52 46 NAP 3 1 13 12 50 48 10 PAL N...

Страница 115: ...gnal to 40 Fh 1 8 Fh 626 953 kHz It is then sent to the phase shift circuit This stage is necessary to correct crosstalk and shifts the signal by P 2 at each line when a Track 2 is played back To do t...

Страница 116: ...1 36 76 5VS 2 27 57 66 COL ROT from 92 IT001 51 IV001 TV003 ES VN LD from 93 IT001 8 TV004 5VS RV223 RV007 RV005 TV002 BV001 CV030 49 CCD DELAY 1 H CCD DELAY 1 H 4 3 52 46 NAP 3 1 13 12 50 48 10 PAL N...

Страница 117: ...a is delayed by two lines and added to the direct channel The PAL chroma signal is available after filtering on IV001 Output 46 ME SECAM PLAYBACK ME SECAM playback is performed in a similar way to PAL...

Страница 118: ...ou have decided to store the new settings it takes some seconds to initialise the EEPROM During this time the display remains dark F SERVICE SETUP Y Type in the set dependent number 001 I 1 STOP 1 EXI...

Страница 119: ...unction is disabled 2 6 RCA Cinch 2 in 1 out Si 3 4 RCA Cinch 1 in 1 out 4 2 Start connectors Front AV 5 1 Start connector Front AV 6 6 RCA Front AV Si 7 4 RCA vfront AV 11 and 12 Special functions bi...

Страница 120: ...e der Daten erforderlich ist geben Sie bitte die folgende Ziffernfolge ein I I 1 150416 1 Diese Ziffernfolge stellt die Daten f r einen optimalen Abgleich dar und gilt f r alle Ger te 2 2 Installation...

Страница 121: ...ignal Point 2 3 1 E E level E E Oscilloscope BX008 Colour Start None bar connection l vPP board or pin 19 of SCART E E Pegel BX008 der Oszilloskop Start Check for 2 0 Vpp O l Vpp E E Anschlu Kein 2 0...

Страница 122: ...pin 617 pin 12 14 pin 15116 None keine Einstellung m glich Voltmeter Oscilloscope LP20 pin 17 2 4 2 Switching period stand by Periodendauer None Mains voltage operating range Arbeitsbereich der Betrie...

Страница 123: ...V 51 V 0 2 V berpr fen 2 6 3 Drum FF RECI Confirm 25 Hz Signal PB Oscilloscope TP BT 002 None Kopftrommel Drum FF 25 Hz Signal berpr fen Flip Flop 2 6 4 CTL Signal CTL Signal PB REC PB REC Oscillosco...

Страница 124: ...ntrol DIF EQ AMP Amplifier DIG APC Automatic Phase Control DLY AP CONT Aperture Control DOC AV Audio Video E E B EMPH Burst Emphasis EMPH B DEEMPH Burst Deemphasis ENV BG Burst Gate EP BID Burst Ident...

Страница 125: ...IF Phase Locked Loop Phase Switch Pseudo Vertical Synch Pulse Width Modulation Record Record Chroma Rewind Reverse SCL SDA SEC SU REEL SMPS SP SS SW TU REEL TMB VCA v c o VCR VD VE V_ENV V_IF VS VM VM...

Страница 126: ...071 2K7 RI043 15K RI006 4K7 RI042 15K RI070 22n CI020 47R RI025 22u CI028 330R RI056 10n CI045 4K7 RI040 22n CI011 1K RI021 2u2 CI024 22R RI023 5p6 CI002 15K RI005 10R RI001 4K7 RI003 SFS5 5MHz QI070...

Страница 127: ...0 0 TI020 E 0 3 0 3 0 3 B 1 1 1 1 1 1 C 4 9 4 9 4 9 TI040 E 0 0 0 B 2 3 2 3 2 3 C 0 0 0 TI045 E 0 0 0 B 0 2 0 1 0 C 2 3 2 3 2 3 TI050 E 0 0 0 B 0 1 0 1 0 1 C 3 5 3 5 3 5 TI055 E 0 1 3 0 B 0 2 0 C 4 9...

Страница 128: ...V125 JV066 270u LV014 JV074 2k2 RV136 JV119 JV049 JV123 22u LV070 0R RV951 JV164 JV150 JV149 JV132 RV943 4k7 RV506 JV001 JV107 JV108 JV166 JV009 68k RV098 JV115 JV113 JV135 JV068 JV004 JV170 JV056 JV0...

Страница 129: ...5 5 3 2 5 2 5 2 5 4 NC NC NC 5 2 3 2 3 2 3 6 NC NC NC 7 1 5 1 5 1 5 8 8 9 8 9 8 9 9 2 2 2 2 2 2 10 0 9 0 9 0 9 11 0 0 0 12 0 4 0 4 0 4 13 1 9 1 9 1 9 14 0 0 0 IV401 1 0 0 0 2 0 4 0 4 0 4 3 2 5 2 5 2...

Страница 130: ...7 JT222 JT022 JT256 JT087 JT021 JT236 JT026 JT032 JT058 JT091 0R RT095 0R RT094 10k RT096 BC858 B TT013 470R RT067 2k2 RT069 100R RT068 3u3 LT001 390R RT167 ZDP5 1 2 DT067 JT265 JT208 JT300 JT009 JT01...

Страница 131: ...2 80 0 5 2 5 2 81 5 3 82 5 3 83 0 5 4 8 4 8 84 0 5 4 8 4 8 85 0 0 0 86 4 6 5 2 5 2 87 4 8 5 2 5 2 88 0 1 0 1 0 1 89 0 2 9 2 9 90 0 0 0 91 0 0 0 92 0 93 0 0 1 0 1 94 0 4 9 0 95 0 0 0 96 4 1 4 97 5 3 5...

Страница 132: ...3 2 1 A B C D E F G H J K L 8 7 6 5 4 3 2 1 I Main P C B components side Circuit imprim de la platine principale c t composants Hauptleiterplatte Best ckungsseite Piastra principale lato componenti P...

Страница 133: ...8 7 6 5 4 3 2 1 L K J I H G F E C B A 8 7 6 5 4 3 2 1 D Main P C B Solder side Circuit imprim de la platine principale c t cuivre Hauptleiterplatte L tseite Piastra principale lato saldature Platina p...

Страница 134: ...Z030 B7 LZ031 B7 LZ032 B2 LZ074 A1 LZ075 A1 WF001 A1 WF001 A1 WF002 J3 WF003 B2 WF004 A1 WF004 A1 WF203 B2 WP001 J6 WP001 K6 WV011 C3 WV011 C3 WV012 D7 WV012 D7 COMPONENTS LOCATION LOCALISATION DES EL...

Страница 135: ...Zeichnungen stehen uns zu Nachdrucke Vervielf ltigungen auchauszugsweise nurmitunserervorherigenZustimmungzul ssig AlleRechtevorbehalten Idirittidiriproduzione ditraduzione eesecuzionesonoriservatipe...

Страница 136: ...0 20187760 K370 20187580 K320 20186220 K140 20187920 K410 20187930 K420 20187320 B450 20187440 B470 20186930 K290 20187660 K440 20186510 G420 20188090 K490 20186630 G450 20188550 K570 20187170 2018724...

Страница 137: ...LEVIER HEBEL HOOK LEVA PALANCA K290 LEVER 20186930 LEVIER HEBEL TENSION DRIVE LEVA LEVIER K320 LEVER 20187580 LEVIER HEBEL REC INCH LEVA PALANCA K330 MAIN BRAKE SUPPLY 20187710 FREIN SECONDAIRE DEBIT...

Страница 138: ...114...

Страница 139: ...Documentation technique exclusivement destin e aux professionnels de la maintenance...

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