Sharp UX-258TH, FO-475TH manual Operation panel PWB circuit, IC101 74HC147

6

A B C D E F G H I

[4] Operation panel PWB circuit

6

5

4

6 – 13

3

2

1

CNLCD-11

LD4

D1

SEN0

1SS270

CNPN-15

FUNC

RESOLUTION

REMINDER

2

3

SPEED

03

04

LD5

CNLCD-12

D3

SEN1

1SS270

CNPN-14

LD6

DOWN

UP

STOP

5

6

REDIAL

05

06

CNLCD-13

D4

SEN2

1SS270

CNPN-13

RECEPTION

COPY

8

9

HOLD

07

08

LD7

CNLCD-14

D5

SEN3

1SS270

CNPN-12

02

START

RS

01

0

#

SPEAKER

09

10

CNLCD-4

D2

SEN4

1SS270

CNPN-11

PLAY

DELETE

REPEAT

REC

+5V

16

R6

R12

R11

R4

R2

R3

R9

R10

R5

100K

100K

100K

100K

100K

100K

100K

100K

100K

CNPN-4

KEN 1A

9

A0 VCC D1

11

CNPN-3

KEN 2A

7

A1

D2

12

CNPN-2

KEN 3A

6

A2

D3

13

CNPN-1

KEN 4A

14

A3

D4

1

15

N.C.

D5

2

D6

3

D7

4

D8

5

IC101

D9

10

74HC147

GND

8

CNPN

1

KEN 4A

+5V

2

KEN 3A

CNPN-10

E

CNLCD-6

3

KEN 2A

4

KEN 1A

CNLCD-5

VO

R7

5

GND

CNLCD-3

+5V

220

6

GND

CNPN-7

CNLCD-2

ORGSNS

CNPN-8

GND

7

+5V

CNPN-6

CNLCD-1

A

C

GND

8

ORGSNS

CNPN-5

R1

SG266

9

FRSNS

C1

C2

6.2K

ORGSNS K

E

FRSNS

22/50

0.022

R8

FRSNS

CNPN-9

10

E

11

SEN4

1K

12

SEN3

13

SEN2

14

SEN1

Note: Since the parts of this PWB can not be supplied, change it as a unit.

15

SEN0

1

4

7

CNLCD

1GND

2+5V

3VO

4RS

5GND

6E

7N.C.

8N.C.

9N.C.

10N.C.

11LD4

12LD5

13LD6

14LD7

5

4

3

2

1

A B C D E F G H I

UX-258TH FO-475TH