KX-HDV100 - Panasonic PBX Service Manual Supplement (repair manual). Page 10

10

2. Speaker Ringer

Output from IC302-pin 

29, 27

 

 output to speaker.

The key data is under the matrix control by IC302.
The key information output from KEY_OUT is input into KEY_IN, when the key is pressed.

The HOOK key is independent from Key Scan Matrix and taken into the port singularly.

From Pin 29(PAOUTP) of IC302

From Pin 27(PAOUTN) of IC302

D305

C378

C376

DGND

C375

DGND

DGND

SPP

C377

C379

DGND

D306

L301

L302

SPM

DGND

CL_SPM

C380  

CL_SPP

L303

NC

L304

DGND

L312

L313

NC

NC

NC

NC

NC

NC

NC

KEY_IN[0]

KEY_IN[1]

KEY_IN[2]

KEY_IN[3]

KEY_OUT[5]

KEY_IN[4]

KEY_OUT[4]
KEY_OUT[3]

KEY_OUT[0]

KEY_OUT[1]

KEY_OUT[2]

KEY_IN[5]

3

1          2

1

1          2

TRANSFER

1          2

LINE1

1          2

HEADSET

1          2

8

1          2

9

1          2

SP-PHONE

1          2

LINE2

1          2

MESSAGE

1          2

6

1          2

7

1          2

*

1          2

MUTE

1          2

4

1          2

#

1          2

0

1          2

CANCEL

1          2

2

1          2

5

1          2

REDIAL

1          2

CONF

1          2

ENTER

1          2

SOFT1

1          2

SOFT2

1          2

SOFT3

1          2

RIGHT

1          2

VOL-

1          2

LEFT

1          2

UP

1          2

DOWN

1          2

VOL+

1          2

SW101

HOOK SW

1

2

3

4

5

6

DGND

To IC302-Pin 35

From IC302-Pin137(KEY_COL5)
From IC302-Pin56(KEY_COL4)
From IC302-Pin136(KEY_COL3)
From IC302-Pin49(KEY_COL2)
From IC302-Pin130(KEY_COL1)
From IC302-Pin50(KEY_COL0)

To IC302-Pin55(KEY_ROW0)

To IC302-Pin135(KEY_ROW1)

To IC302-Pin54(KEY_ROW2)

To IC302-Pin132(KEY_ROW3)

To IC302-Pin51(KEY_ROW4)

To IC302-Pin131(KEY_ROW5)