background image

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

D1002

1SS133

L1001
2.2uH

Q1004

DTC124EKA

FF/REW_SW

Q1014

DTC124EKA

X_RAY

R.SIGNAL

B.SIGNAL

G.SIGNAL

CD852
C301409A

IC1001

OEC7119A

TIMER SYSCON MICON IC

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

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8

80

81

82

83

84

85

86

87

88

89

9

90

91

92

93

94

95

96

97

98

99

IC1099_1

BR24L04F-WE2

EEP ROM IC

1

2

3

4

5

6

7

8

D1001

LTE-3271T-012A-O

CENTER LED

Q1009

RPI-352C40N

MS_SEN A

1

2

3

4

Q1003

RPI-352C40N

MS_SEN B

1

2

3

4

CAPSTAN AFC SIGNAL

CYLINDER APC SIGNAL

Q1011

ST-304L

BOT SENSOR

Q1013

ST-304L

EOT SENSOR

CP1001
TMC-J12P-B2

1

10

11

12

2

3

4

5

6

7

8

9

Q1005

RPI-303

REEL SENS

1

2

3

4

IC1003

XC61CN3102SR

SYSTEM RESET IC

1

2

3

4

5

SW1001

LSA-1144EAU

TAB SW

OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE

NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME

X1001

100CT01207
12MHz

X1002

100DA32R01

32.768KHz

C1020_1

10

25V

KA

C1021

33

25V

Y

K

C1003_1

1000

6.3V

Y

K

C1058_1

100

10V

Y

K

C1048

18P CH

C1029

0.0068

B

C1050

20P CH

C1049

22P

CH

C1040

18P CH

C1046

20P CH

C1039_1

0.1

F

C1008

0.001

CH

C1006

0.001

CH

C1068

0.0022

B

C1061

100P

CH

C1017

0.1

F

C1043

0.01 B

C1019

0.001

CH

C1047

18P CH

C1031

0.001 B

C1034

0.1 F

C1022

0.1 F

C1062

1 B

C1037

390P

CH

C1023

220P

CH

C1010

220P

CH

C1004

100P

CH

C1056

0.1 F

C1028

0.1

F

C1065

0.1

F

C1071

100P

CH

C1038

560P

CH

C1026
0.01 F

C1027

0.0039 B

C1035

220P CH

C1013

0.0039

B

C1060

100P

CH

C1009

220P

CH

C1025

0.0022 B

C1084

0.0047

B

C1042_1

1

F

C1083

0.0022

B

C1082

0.01

F

C1069

0.0033

B

C1070

0.1

B

R1016

270

1/4W

R1048

4.7K

R1028

22K

1/4W

R1018_1

47K

1/4W

R1046

4.7K

R1040

33K

R1019

47K

R1052

390

R1087

33K

R1050

100

1/4W

R1009

560

R1013

560

R1031

1K

R1078

470K

R1034

1M

R1036

4.7K

R1021

10

R1005

2.7K

R1029

4.7K

R1020

22K

R1017

39K

R1053

220

R1035

10

R1007

22

R1033

1K

R1064

1K 1/4W

R1010

3.3K

1/4W

R1012

6.8K

R1011

330K

R1070

100

R1054

1K

R1042

220

R1038

220

R1073

330K

R1063

4.7K

R1055

4.7K

R1022

4.7K

R1066

4.7K

R1008

1K 1/4W

R1001

3.3K

R1032

10K

R1044

3.3K

R1045

3.3K

R1047

4.7K

R1049

4.7K

R1051

18K

1/4W

R1083

33K

C1015_1

47

16V

KA

C1016

22

16V

KA

C1018

4.7

50V

KA

C1024

470

6.3V

YK

C1032_1

220

25V

YK

C1001

47

16V

YK

C1007

47

25V

YK

W810

W894

W914

W892

W805

TP1001

SERVICE

TP1002

H.SW

W825

W836

CAUTION: DIGITAL TRANSISTOR

TUNER VIDEO SIGNAL

DEFLECTION SIGNAL

D1014

MTZJ6.8B

DURING PLAYBACK.

MEASURED WITH THE DIGITAL TESTER

NOTE:THE DC VOLTAGE EACH PART WAS

PLAYBACK VIDEO SIGNAL

AUDIO SIGNAL(REC)

POWER_FAIL2

P.CON+5V

GND

MOTOR+12V

SDA

SCL

Y/C_CS

OSD_R

OSD_G

OSD_B

REEL_T

CAP_CTL

Y/C_CLK

OSD_BLK

SD_SYNC

Y/C_DATA

CYL_DRIVE

V.REC_ST_H

GND

Y/C_CLK

Y/C_DATA

Y/C_CS
H.SW

SD_VIDEO

ENV_DET

VCR_A_MUTE

CTL+

CTL-

CAP_FG

DUMMY_V.SYNC

VCR_A_MUTE

TAB_SW

V.REC_ST_H

CAP_M/F/R

H.AMP_SW1

TV_A_MUTE

COMP

SD_SYNC

CAP_CTL

IIC_OFF

LDM_CTL

CAP_FG

CYL_DRIVE

H_CTL

X-RAY_TEST

HD

VD

AFT_M

SCL

EOT

BOT

SDA

CTL-

OSD_R

OSD_G

CTL+

OSD_B

OSD_BLK

RESET

AT+5V_BACKUP

AT+5V

VCR_POWER_H

PROTECT

TV_POWER_H

VCR_POWER_H

IIC_OFF

TAB_SW

H.SW

REC_LED
T-REC_LED

H.AMP_SW1

SCL
SDA

AT+5V

CAP_M/F/R

DUMMY_V.SYNC

REMOCON_IN

LDM_CTL

MS_SEN-A

MS_SEN-B

PROTECT

T-REC_LED

ENV_DET

H_CTL

REC_LED

AFT_M

KEY_A

KEY_B

COMP

EOT

BOT

X_RAY

RESET

REEL_T

MS_SEN-A

MS_SEN-B

AT+5V

KEY_B

KEY_A

REMOCON_IN

GND

TV_POWER_H

TV_A_MUTE

X_RAY

X-RAY_TEST

G-4

G-3

PCB010
DMD021

0

2.5

VSS

A2

A1

A0

0

0

0

SDA

SCL

TEST

VCC

2.6

5.2

0

8

0

4.5

FROM TV POWER

MICON SCHEMATIC DIAGRAM

(SYSCON PCB)

NC

NC

NC

NC

NC

NC

NC

NC

0

0

0

0

5.2

5.2

0

0

0

0

0

0

NC

0

0

0

0

0

0

1.5

1.3

2.1

2.6

0

5.2

2.5

2.6

5.2

5.2

2.1

1.6

2.3

0

0

0

0

2.6

2.5

2.5

1.8

0

5.1

5.9

2.5

2.0

0

0.6

2.5

2.5

0.2

0

2.5

2.6

2.5

5.1

5.2

0

0.9

0.9

0

0

82  TV_A_MUTE

81  VCR_A_MUTE

POWER_FAIL_L

98  AMP-VCC

99  ANALOG VCC

100 DEW

50  TAB SW

49  OSD-VSS

REEL-T

CAP-FG

AMP-VSS

AMP-VREFOUT

AMP-VREFIN

C

CTL-

CTL+

AMP C

CTL AMP-OUT

VSS

CLKSEL

OSC-IN2

OSC-OUT2

NUB

X-OUT(12MHz)

X-IN(12MHz)

VCC

XC_OUT(32KHz)

XC_IN(32KHz)

RESET-L

T-REC LED

VCR-POWER

EXT-MUTE

BOT

EOT

MSSEN-A

MSSEN-B

CAP-PWM

DRUM-PWM

SERVICE

32  RENT_H

31 ON-TIMER LED

0

0

5.1

X-RAY_TEST

4.9

0

0

0

IIC OFF

4.8

5.2

5.2

CAP FULL

REEL-S

9

6

7

NC

4.8

0

0

0

0

4.7

5.2

4.2

4.9

5.2 5.2

2.2

2.2

2.4

1.4

1.4

5.2 2.3 2.6 2.6

5.2 5.2

CAP_VCO

VCC

I_LIMIT

GND[M]

GND

LD/CY_VCO

CAP_CTL

LDM_CTL

CYL_FG/PG

CYL_CTL

CAP_FG

GND

IN

NC

OUT

5.2

5.1

0

11

5.0

33 PLAY LED

NC

NC

NC

NC

(AV1)

48  (AV2)

83  (EXT MUTE)

NC

DRUM FG/PG

13

FF/REW-L

REC LED

TV-POWER

5.1

0

5.1

0

(CP101)

FROM/TO DECK

CAP/M/F/R

FROM/TO DECK

NC

(MOTER GND)

NC

NC

NC

NC

FROM/TO Y/C/AUDIO/HEAD AMP

FROM/TO CHROMA/IF

FROM/TO IN/OUT

FROM AV

TO SOUND AMP

FROM/TO DEFLECTION

0

5.1

5.2

4.5

0

5.2

VOLUME

JUST CLOCK

IIC-DATA1

IIC-CLK1

CS

SCLK

CENTER LED

SDATA

NC

V REC START H

NC

R

G

B

NC

 OSD OUT1

V-SYNC

 H/C-SYNC

 NUA

CVIN

 VHOLD

 HLF

OSD-VCC

 SD-IN(MONI)

HI-FI-ENV

VIDEO-ENV

AFT(MONI)

 AFT(REC)

 KEY 1

KEY 2

HEAD.AMP.SW

 REMOCON-IN

 COLOR ROTARY

 DUMMY-V.SYNC

 CAP-LIMIT

ENV-CMP-IN

VIDEO-H.SW

HI-FI-H.SW

LDM CTL

X-RAY

PROTECT

DEGAUSS_H

NC

H_CONTROL

CAP-FWD

0

1.2

0

0.9

NC

0

NC

0

NC

0

0

0

0

5.2

5.2

0.8

1.4

0.5

0.8

5.2

1.4

10

DANS LA NOMENCLATURE DES PIECES

N’UTILISER QUE CELLS DECRITES

DANGEREUSES AN POINT DE VUE SECURITE

:LES PIECES REPAREES PAR UN

ETANT

ATTENTION

:SINCE THESE PARTS MARKED BY

CAUTION

DESCRIBED IN PARTS LIST ONLY

CRITICAL FOR SAFETY,USE ONES

ARE

Содержание MV20Q41

Страница 1: ...SERVICE MANUAL Jan 2005 O COLOR TELEVISION VIDEO CASSETTE RECORDER MV20Q41 FILE NO 140 200502 ...

Страница 2: ...606 Q604 Q605 F501 14 13 UNREG 8V 1 2 TH501 POWER_FAIL 2 51 1 E180V 24 TV_POWER H FB401 L503 DEGAUSS COIL REG REG 53 19 AT 12V UNREG 8V AT 12V 2 1 MICON IN OUT AV PUMP UP 6 SW Q403 Q404 X RAY_TEST SW X RAY 3 Q601 BUFFER B ADJ PROTECTION FEED BACK Q510 SWITCHING 5V REG IC IC501 KIA78R05API Q607 H CONTROL H_CTL MICON IN OUT AV X TAL INV FBP OUT FBP IN H OUT AFT OUT VIF IN 2 VIF IN 1 RF AGC OUT AUDIO...

Страница 3: ...NC TU_VIDEO Y C AUDIO 2 3 1 5 Q4005 BIAS CTL 11 4 P CON 5V 1 C ROT 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 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 REC APC REC APC R P Main CONV 3 58M BPF2 B UP AMP AGC ACC DET 3 58M BPF1 NYR COMB OUT CCD CLAMP ...

Страница 4: ...L CP1001 1 3 4 2 REEL SENS Q1005 POWER FAIL2 MICON IN OUT AV BLOCK DIAGRAM SDA SCL OSD_R CTL SD_VIDEO CTL V REC_ST_H VD OSD_G AFT_M OSD_B OSD_BLK HD Y C AUDIO HEAD AMP TV CAPSTAN DD UNIT FF REW L 97 84 CTL AMP OUT Q1004 FF REW_SW J4202 FRONT_AUDIO VCR_POWER_H TV 30 TV_POWER TV_POWER_H 2 1 MSSEN B MSSEN A 1 4 3 2 1 4 3 2 MS_SEN A Q1009 MS_SEN B Q1003 AT 5V P CON 5V 20 REC T REC 73 CS 6 VIDEO ENV 81...

Страница 5: ...02 W087 W069 TP1002 W174 W175 W176 W181 C1018 W190 W194 W193 W188 W141 Q1011 CP1001 W136 W068 W139 W179 W137 W157 W127 R1010 W108 W132 W071 W162 W169 W243 W183 W245 W238 W138 W192 W210 W094 W212 W209 W207 W208 W825 W090 W170 W259 W256 W177 W262 W261 R1056 C4045 W191 W213 W233 W048 W133 W201 W095 CP352 W187 W182 C659 W228 W231 W235 W232 W234 W814 R1051 C432_1 C4009 R623 W103 D1002 W220 W119 W128 W1...

Страница 6: ...1010 C1023 C1004 R1036 C1027 Q1004 C1022 C1025 R1012 C1019 R1013 R1009 C1013 C1071 R1034 R1033 C1038 C1035 C1034 C1031 R1031 R1032 C1046 C1047 C1040 C1048 R1040 C1049 C1050 R1070 R1083 R1087 IC 1 0 0 1 R1052 Q1007 Q4202 R4015 R4068 R4062 R4033 R4060 R4054 C4074 R4055 R4057 Q4011 C4075 R4058 R4052 R4053 R4020 R359 R4017 R4037 C4014 R4025 C4038 R4011 C4005 R4010 Q4003 R4023 R4024 R4003 R4002 C4006 R...

Страница 7: ...K VIDEO SIGNAL AUDIO SIGNAL REC AUDIO SIGNAL PB RECORD LUMINANCE SIGNAL T4001 1626009 COIL BIAS OSC 1 2 3 4 5 6 IC4001 LA71206M MPB E Y C AUDIO 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 PLAYBACK COLO...

Страница 8: ...WAS PLAYBACK VIDEO SIGNAL AUDIO SIGNAL REC POWER_FAIL2 P CON 5V GND MOTOR 12V SDA SCL Y C_CS OSD_R OSD_G OSD_B REEL_T CAP_CTL Y C_CLK OSD_BLK SD_SYNC Y C_DATA CYL_DRIVE V REC_ST_H GND Y C_CLK Y C_DATA Y C_CS H SW SD_VIDEO ENV_DET VCR_A_MUTE CTL CTL CAP_FG DUMMY_V SYNC VCR_A_MUTE TAB_SW V REC_ST_H CAP_M F R H AMP_SW1 TV_A_MUTE COMP SD_SYNC CAP_CTL IIC_OFF LDM_CTL CAP_FG CYL_DRIVE H_CTL X RAY_TEST H...

Страница 9: ...AL CP351_1 A2001WR2 6P 1 2 3 4 5 6 CP1003 173979 4 1 2 3 4 DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE EACH PART WAS PLAYBACK LUMINANCE SIGNAL AUDIO SIGNAL REC AUDIO SIGNAL PB RECORD LUMINANCE SIGNAL PLAYBACK COLOR SIGNAL AT 5V INT MONI B OUT IIC_OFF SDA SCL REC_LED AT 5V GND GND T REC_LED Y C_AUDIO Y C_VIDEO G 6 G 5 PCB010 DMD021 FROM TO TV POWER FROM AV FROM CHROMA IF FR...

Страница 10: ... 2 H E J4202 AV1 09AD 4 FRONT AUDIO L 1 2 CD853 CH012101 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C4205 470P CH R1056 100 1 4W R2201 820 R2202 1K R2203 1 5K R2204 2 7K R2205 5 6K R2206 820 R2207 1K R2208 1 5K R381 39 1 2W R380 39 1 2W R4203_1 75 C382 100 16V YK C381 4 7 50V KA C380 4 7 50V KA C1053 220 6 3V YK W822 TUNER VIDEO SIGNAL D2...

Страница 11: ...666 47 16V KA C632 1 50V KA C620_1 10 25V KA Q602 KTC3203_Y REG Q604 KTD863_Y REG Q605 KTD863_Y REG Q603 KTC3203_Y REG Q606 KTC3203_Y REG Q607 2SC3052 T1 H_CONT W861 W871 W852 W827 W828 W895 W843 W842 W801 W865 W915 W878 W874 W850 W849 Q601 2SA1530A T1 BUFFER L603 47uH 0305 CAUTION DIGITAL TRANSISTOR TUNER VIDEO SIGNAL DEFLECTION SIGNAL D610 MTZJ6 8B D609 MTZJ6 8B D611 MTZJ6 8B D602 MTZJ8 2B Q611 ...

Страница 12: ...TING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C351 2 2 50V KA C354_1 2200 10V YK C301 0 012 B R353 68K R359 47K R357 5 6K R352 4 7K C356_1 10 50V KA C355_1 0 47 50V KA W814 W809 CP352 CU123201 1 2 CP354 CH121701 1 2 DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE EACH PART WAS AUDIO SIGNAL REC SOUND SP_OUT GND TV_A_MUTE TV_POWE...

Страница 13: ...2A CP505 003P 2100 CP504 003P 2100 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C523_1 2200 25V YK C524_1 2200 16V YK C511 470 25V YK C521 220 200V YXF C517 470P 2KV RR C527 1 F C532 270P B C541 0 0018 2KV RR C519 470P 500V B C515_1 0 01 100V MMTS C510 0 0047 B C535 0 001 2KV RR C518 470P 500V B C505 470P 500V B C536 0 022 B C516 470P 500V ...

Страница 14: ...TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C402 1000 35V YK C419_1 22 100V YK C418 22 50V YK C424_1 0 0072 1 5KV MPP C417_1 0 01 100V MMTS C438 0 001 500V B C423 0 47 250V PMS C451 0 22 100V MKT C420 100P 500V B C416 22P CH R453 150K 1 4W R423 10K 1 4W R409_1 8 2K 1 4W R444 22K 1 R456 470 1 2W R460 100 1 4W R414 10K R408_1 680 1 2W R419 560 1 2W R417 560 1 2W R4...

Страница 15: ...DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES ARE L801 100uH R SIGNAL B SIGNAL G SIGNAL S801 S802 S804 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C811 470P B C810 470P B C809 560P B C805 330P B C801_2 0 001 2KV RR R820_1 2 7K 1 4W R813 330 R816_1 4 7K 1 4W R812 330 R815 4 7K R811 330 R814 4 7K R808_1 2 7K 1 4W R807 2 7K 1 4W Q...

Страница 16: ...GRAM NC NC NC NC 10 11 9 8 7 6 5 Vout 3 2 1 CCD005 SP_OUT SOUND_GND DMD021 GND AE_HEAD GND AE_HEAD S804 S802 J801 SP_OUT SOUND_GND B B B A AUDIO PB AUDIO REC AUDIO REC AUDIO PB FE FE HEAD FE HEAD FE HEAD FE HEAD TM101 FROM OS2201 TO OS2201 REMOCON SENSOR COMMAND TRANSMITTER TM101 B GND DEGAUSS COIL DEGAUSS COIL M2001 CAPSTAN DD UNIT ASS Y TUNER PACK NC NC NC NC NC NC M101 LOADING MOTOR H5002 FULL ...

Страница 17: ...B 1 0V 5ms 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 MICON 5 REC 10 0V 5µs div 3 PB 10mV 20µs div 4 PB 0 5V 1ms div 18 POWER ON 10 0V 5ms div DEFLECTION 17 POWER ON 0 5V 5ms div SOUND AMP 14 POWER ON 200mV 2ms div ...

Страница 18: ...0µs div The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE CRT 22 POWER ON 50 0V 20µs div 21 POWER ON 50 0V 20µs div 20 POWER ON 200mV 20µs div 19 POWER ON 2 0V 20µs div ...

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