Emerson EWC1303 Manuel de service télécharger pdf (Page 27)

1-7-1

BLOCK DIAGRAMS

Servo/System Control Block Diagram

T5553BLS

CONTROL

HEAD

CL402

AC HEAD ASSEMBLY

MAIN CBA

KEY 1

ST-SENS.

T-REEL

KEY 0

DV-SYNC

C-SYNC

C-SYNC

V-ENV

REMOTE

CTL(+)

RESET

ROTA

D-REC-H

D-REC-H

REC-SAFETY

A-MUTE

SCL

SDA

A-MUTE

CTL(-)

DV-SYNC

V-ENV

ROTA

END-SENS.

IC201

(SERVO/SYSTEM CONTROL)

14

94

95

9

7

80

34

15

10

13

74

33

44

65

72

6

5

RS201

REMOTE

SENSOR

CTL AMP OUT

97

AL+5V

D203

S-LED

CTL

TP201

(DECK ASSEMBLY)

END-SENS.

T-REELST-SENS.

Q202 Q206

Q201

Q205

RESET

TIMER+5V

SP-MUTE

SP-MUTE

12

SW211

REC

SAFETY

TO

VIDEO BLOCK

TO

AUDIO BLOCK

KEY

SWITCH

KEY

SWITCH

SW201 SW204,SW206

SCL

(MEMORY)

SDA

6

5

REC LED

22

REC LED

23

P-DOWN

84

P-ON-H

P-DOWN

P-ON-H

31

D204 REC

AL+5V

LD-SW

1

I

2

C-OPEN

45

71

SW212

LD-SW

CS

7

TO

POWER SUPPLY

BLOCK

SW205,SW207 SW210

SDA

SCL

TO

CHROMA /TUNER

BLOCK

SDA

SCL

IC202

WF3

22CTL(+)

11CTL(-)

M

M

LOADING

MOTOR

CYLINDER ASSEMBLY

CAPSTAN MOTOR

SENSOR CBA

(ST-SENSOR)

SENSOR CBA

(END-SENSOR)

DRUM

MOTOR

PG

SENSOR

CL201

C-FG

C-CONT

D-PFG

90

76

87

LD-CONT

82

D-CONT

77

P-ON+12V

P-ON+5V

M

CAPSTAN

MOTOR

C-F/R

66

D/L+12V

DEF+B

AFT-IN

AFT-IN

8

IF-MUTE

IF-MUTE

21

1P-ON+12V

2P-ON+5V(2)

3C-FG

4C-F/R

5

C-CONT

6FG-GND

7LD-CONT

8

D-CONT

9D-PFG

10M-GND

11D/L+12V

12D/L+15V

26

FM/TV-SW

FM/TV-SW

YCA-SOUT

YCA-SCLK

YCA-CS

68

69

70

YCA-SCLK

YCA-CS

YCA-SOUT

RF-SW

18

RF-SW

1 2 ... 22 23 24 25 26 27 28 29 30 31 32 ... 66 67

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