Sony IT-ID20 Service manual

IT-ID20

SERVICE MANUAL

Ver 1.0 2000. 05

SPECIFICATIONS

Power source

Four alkaline size AA (LR6) batteries (not supplied)

Battery life

Approx. 1 year (using Sony alkaline (LR6) batteries under normal operation)

Dial signal

Tone, 10 PPS (pulse) selectable

Dimensions

Approx. 3 x 3 (approx. 74 x 79 x 240 mm)

Mass

Approx. 1 lb 2 oz, battery included (approx. 509 g)

Supplied accessories

Handset cord Telephone line cord

⁄8 x 9 1⁄2 inches (w/h/d)

Canadian Model

Design and specifications are subject to change without notice.

CALLER ID TELEPHONE

1. GENERAL

Identifying the Parts ........................................................ 3

Setting Up the Phone ...................................................... 3

Entering the Area Code................................................... 4

Making Calls ................................................................... 5

Receiving Calls ............................................................... 6

Telephone Features ......................................................... 6

Caller IC Features ........................................................... 9

2. DISASSEMBLY ......................................................... 12

3. TEST MODE.............................................................. 14

4. DIAGRAMS

4-1. Block Diagram ................................................................ 15

4-2. Note for Printed Wiring Boards and

Schematic Diagrams ....................................................... 17

4-3. Schematic Diagram ......................................................... 19

4-4. Printed Wiring Boards..................................................... 22

5. EXPLODED VIEWS................................................ 27

6. ELECTRICAL PARTS LIST ............................... 29

Notes on chip component replacement

• Never reuse a disconnected chip component.

• Notice that the minus side of a tantalum capacitor may be damaged by heat.

– 2 –

SECTION 1

GENERAL

This section is extracted from instruction manual.

Identifying the parts

Refer to the pages indicated in parentheses for details.

Handset

1 NEW CALL/MESSAGES lamp

(p. 32, 41)

Flashes when there is a “NEW” data in the Caller ID list or message.

2 Display window (p. 16, 20, 31) 3 ERASE/CLEAR button

(p. 13, 27, 33, 41)

Used to erase a stored Phone Directory memory or Caller ID data, go off the NEW CALL/ MESSAGES lamp manually, end the operation during the procedure.

4 CALL WAITING/FLASH button

(p. 19, 40)

Switches to a second call if you have “call waiting” service, or lets you make a new call.

1 2

3 4 5 6 7

8 9

5 HANDSET VOLUME switch

(p. 17)

Adjusts the handset volume.

6 ONE-TOUCH DIAL buttons

(1, 2, 3) (p. 20, 36)

Used to store numbers on the onetouch dial.

7 Dialing keys (p. 16) 8

Allows you to switch temporarily to tone dialing.

9 PGM button (p. 10, 20)

Used to access the menu.

0 RINGER LEVEL switch (p. 19)

Adjusts the ringer volume.

qf qg qh qj

TONE button (p. 17)

Phone

qa KEY LOCK switch (p. 16, 18)

Used to avoid the accidental pressing of the keys during conversation.

qs CALLER ID/DIRECTORY button

(p. 28)

Used to switch the memory display of the Caller ID data or Phone Directory.

qd V/v button (p. 10, 31) qf # button (p. 38)

Used to change the number of digits of the phone number in the Caller ID list.

qg MUTING button (p. 17, 19)

Mutes your voice during a conversation.

qh DIAL/ON HOOK button (p. 16)

Used to dial a phone number with the handset placed in the cradle.

qj DIAL MODE switch (p. 9)

Selects pulse or tone dialing.

qk REDIAL/PAUSE button

(p. 17, 21)

Redials the last number called, inserts a pause in the dialing sequence.

ql Battery compartment (p. 7) w; HANDSET jack (p. 8) wa LINE jack (p. 8, 42)

Getting Started

Step 2

Setting up the phone

Do the following steps:

• Insert the batteries

• Connect the phone

• Choose the dialing mode

Note on installation

Install the unit:

• on a level surface

• away from heat sources, such as radiators, airducts, and sunlight

• away from excessive moisture, extremely low temperatures, dust, mechanical vibration, or shock

Getting Started

Inserting the batteries

To activate the display, use the Caller ID function, back up the memory for one-touch dialing and Phone Directory or use visual message waiting service, insert four alkaline size AA (LR6) batteries (not supplied) into the phone.

Open the battery compartment

Battery compartment

Alkaline size AA (LR6) batteries

Battery ejection ribbon

CAUTION

Make sure that the telephone line cord is disconnected before opening the battery compartment lid.

Notes

• When the batteries become weak, “REPLACE BATTERY” will appear on the display. Replace all of the batteries, and this must be done within two minutes. If you take more than two minutes, the entire memory will be erased.

• If you do not replace the batteries when “REPLACE BATTERY” is displayed, the memory will be erased.

• If the batteries are not inserted into the phone, you cannot operate the phone other than for making or receiving calls, and (DIAL/ON HOOK) does not function. You should use the handset when making or receiving calls.

• “MESSAGES WAITING” on the display does not appear while “REPLACE BATTERY” is displayed even if you have messages.

• The battery will gradually discharge over a long period of time, even when not in use.

lid of the phone.

Insert four alkaline size AA (LR6) batteries (not supplied) into the phone.

Insert batteries after first laying down the battery ejection ribbon, and make sure the 3 and # on the batteries match the markings in the battery compartment.

Close the lid.

Getting Started

continued

Getting Started

– 3 –

Step 2: Setting up the phone (continued)

Connect the phone

If you want to hang the phone on the wall, see page 42.

To the telephone outlet

Telephone line

cord (supplied)

To LINE

To HANDSET

Handset cord (supplied)

Connect one end of the handset cord to the handset and the other end to the HANDSET jack on the phone.

Connect the telephone line cord to the LINE jack on the bottom of the phone, and to a telephone outlet.

Note

When the handset cord is detached from the handset or the phone, the power source from the batteries cannot be supplied. Reattach the handset cord within two minutes. If you take more than two minutes, the entire memory will be erased.

Tip

If your telephone outlet is not modular, contact your telephone service company for assistance.

Getting Started

Modular

Choose the dialing mode

For the telephone to work properly, select an appropriate dialing mode (tone or pulse) with a ball-point pen, etc.

DIAL MODE switch

Depending on your dialing system, set the DIAL MODE switch as follows:

If your dialing system is Set the switch to

Tone T Pulse P

If you aren't sure of your dialing system

Make a trial call with the DIAL MODE switch set to T. If the call connects, leave the switch as is; otherwise, set to P.

Getting Started

Step 3

Entering the area code

When you use this phone for the first time, or move to an area that has a different area code, you must enter your home area code. Otherwise, you cannot use some functions of this phone and the Caller ID functions.

This is also necessary because the phone must be able to select an area code to properly dial call from the Caller ID list.

Depending on your region, enter 3-digit area code as follows: Case 1.

If 7-digit dialing (no area code) is accepted for local calls in your area, see “To enter your home area code” below.

If you live in an area where calls from or to other local areas can also be made by 10-digit dialing (area code + number), you can register up to 5 local area codes with this telephone to take advantage of this system. See “To enter the local area code (For 10 digits phone number users)” on page 12.

Case 2. If 10-digit dialing (area code + number) is required for all local calls in your area, at first, enter “000” in your home area code. See “To enter your home area code” below. Then see “To enter the local area code (For 10 digits phone number users)” on page 12.

When you insert size AA (LR6) batteries (not supplied) into the phone for the first time, the following display appears for about 20 seconds.

To enter your home area code

Press (PGM).

Press V or v until “AREA CODE” appears on the display.

Press (PGM).

Press (PGM) again.

NO AREA CODE

HOME LOCAL

AREA CODE=???

Enter three digits of your home area code using the dialing keys.

Press (PGM). The display returns to “NEW OLD” of the initial mode.

Notes

• If the home area code is already entered, it appears on the display in step 4. To enter a different home area code, see “To change the home area code” below.

• Do not allow more than 20 seconds to elapse between each step of the procedure.

To change the home area code

Display the home area code by doing steps from 1 to 4 on page 10. The current home area code appears on the display.

Enter a new home area code by pressing the dialing keys.

Press (PGM). The display returns to “NEW OLD” of the initial mode.

Tip

You can also correct a digit in step 2. Press V or v until the digit to be corrected flashes and enter a digit by pressing the dialing keys.

Getting Started

– 4 –

continued

Getting Started

Step 3: Entering the area code (continued)

To enter the local area code (For 10 digits phone numbers users)

If a call matches one of the local area codes you entered, the phone number will be registered with 10 digits in the Caller ID list (area code + number). If a call does not match one of the local area codes you entered, the phone number will be registered with 11 digits in the Caller ID list (1 + area code + number). Some regions of the country allow you to have more than one local area code. (Up to five local area codes can be entered in this phone.)

Enter three digits of the local area code using the dialing keys.

Press (PGM).

The number next to the selected number will flash.

Repeat steps 5 to 7 to enter a local area code into another number, if necessary.

To end the setting, press (ERASE/CLEAR).

#1 #2 #3 #4 #5

Getting Started

(ERASE/CLEAR)

Press (PGM).

Press V or v until “AREA CODE” appears on the display.

Press (PGM).

Press V or v to make “LOCAL” flash, and then press (PGM).

Select the number (“#1” to “#5”) to enter the local area code by pressing V or v, and then press (PGM).

#1 #2 #3 #4 #5

Getting Started

Basics

Making calls

Pick up the handset (or press (DIAL/ON HOOK)).

“=== TALK ===” appears on the display, and then the operation duration in hours,

HANDSET VOLUME switch

(* TONE) (REDIAL/PAUSE)

KEY LOCK switch

Note

When (DIAL/ON HOOK) is pressed in step 1, you can dial the phone number as described in step 2. However, you cannot talk to the other party without picking up the handset. Also, there are times when you may not be able to hear a dial tone even when (DIAL/ON HOOK) is pressed.

To lock the handset keys during conversation

Accidental pressing of the keys (dialing keys, one-touch dial buttons, (DIAL/ON HOOK), (REDIAL/PAUSE), (MUTING) and (PGM)) can be avoided by setting the KEY LOCK switch in the direction of the arrow. When the switch is set to the direction of the arrow, the base of the switch will appear orange.

If the keys are pressed while the key lock is on, “KEY LOCK” flashes on the display for five seconds.

To cancel the key lock, set the KEY LOCK switch in the direction of the left side. “KEY UNLOCK” flashes on the display for five seconds.

Tip

The “call waiting” service is also available while the keys are locked.

Basics

(MUTING)

(DIAL/ON HOOK)

minutes and seconds is displayed.

You will then hear a dial tone.

Dial the phone number.

The phone number dialed appears on the display.

If you pressed (DIAL/ON HOOK) in step 1, pick up the handset after dialing.

When you’re done talking, replace the handset in the cradle.

Note

Do not allow more than 20 seconds to elapse between each step of the procedure.

To change the local area code

Display the local area code you want to change by steps from 1 to 5 on page 12.

The current local area code appears on the display.

Enter a new local area code by pressing the dialing keys.

Press (PGM).

The display returns to “NEW OLD” of the initial mode.

Tip

You can also correct a digit in step 2. Press V or v until the digit to be corrected flashes and enter a digit by pressing the dialing keys.

When you do not use the entered local area code

Enter “000” by pressing the dialing keys in step 2 above.

Additional tasks

To Do this

Adjust the handset volume Set the HANDSET VOLUME switch to H

Mute your voice Press (MUTING) to disable the microphone.

Switch to tone dialing Press (* TONE) after you’re connected. temporarily The line will remain in tone dialing until

(high), M (middle) or L (low).

“MUTING” appears on the display. Press (MUTING) again to cancel.

disconnected.

Redialing

Pick up the handset (or press (DIAL/ON HOOK)). “=== TALK ===” appears on the display.

Press (REDIAL/PAUSE) to redial the last number dialed. The last number dialed appears on the display and is

automatically redialed.

Note

If the last number dialed exceeds 32 digits or if it is erased, the number cannot be redialed.

Tip

When the redialed number exceeds 16 digits, the first 16 digits are displayed, and then the remaining digits are displayed one by one while the displayed numbers move from right to left across the display.

To check the last phone number dialed

When not making a call, press (REDIAL/PAUSE).

The number appears on the display for 20 seconds.

To dial the number, pick up the handset (or press (DIAL/ON HOOK)) while the number is displayed.

Note

“NO DATA” will appear on the display if the last dialed number exceeds 32 digits or if it is erased.

To erase the last phone number dialed

While the phone is not in use, press (REDIAL/PAUSE) twice within 20 seconds.

The number will be erased from the memory.

You can also erase the last phone number redialed while displaying the number. When not making a call, press (REDIAL/PAUSE), confirm the displayed number and then press (REDIAL/PAUSE).

Getting Started

Basics

– 5 –

Receiving calls

(CALL WAITING/FLASH)

HANDSET VOLUME switch

KEY LOCK switch

RINGER LEVEL switch

Note

You cannot receive a call by pressing (DIAL/ON HOOK) when ringing.

(MUTING)

To lock the handset keys during conversation

If the keys are pressed while the key lock is on, “KEY LOCK” flashes on the display for five seconds.

To cancel the key lock, set the KEY LOCK switch in the direction of the left side. “KEY UNLOCK” flashes on the display for five seconds.

Tip

The “call waiting” service is also available while the keys are locked.

When you hear the phone ring, pick up the handset from the phone.

“=== TALK ===” appears on the display and the display also shows the operation duration in hours, minutes and seconds.

When you’re done talking, replace the handset in the cradle.

Additional tasks

To Do this

Adjust the handset volume Set the HANDSET VOLUME switch to

Adjust the ringer volume Set the RINGER LEVEL switch to H (high),

Mute your voice Press (MUTING) to disable the microphone.

Switch to another call on Press (CALL WAITING/FLASH). (“call waiting” service*) Press (CALL WAITING/FLASH) again to return to

* You need to subscribe to the service from your telephone company.

Tip

To inform you of an incoming call, the display shows “** RINGING **” when ringing. If you have subscribed to the Caller ID service, “** RINGING **” display changes to the Caller ID display.

If you have subscribed to the Caller ID service including the caller name service;

- the caller’s number and/or name appears on the display, and the date and time are automatically set when you receive a call (see page 30).

- the ringer sound changes into a different tone if the call matches the number stored on ONE-TOUCH DIAL button or in the Phone Directory (memory match function; see page 30).

H (high), M (middle) or L (low).

L (low) or OFF.

“MUTING” appears on the display. Press (MUTING) again to cancel.

the first caller.

Basics

Telephone Features

One-touch dialing

You can dial with a one-touch dial button by storing a phone number to that button.

Storing phone numbers and names

Example: to store “SONY” “123-4567”.

(ERASE/CLEAR)

V/v

Character table

Key Character

(1) 1 (2) A t B t C t 2 (3) D t E t F t 3 (4) G t H t I t 4 (5) J t K t L t 5 (6) M t N t O t 6 (7) P t Q t R t S t 7 (8) T t U t V t 8 (9) W t X t Y t Z t 9 (0) 0

(*) * (#) & t ’ t , t - t . t #

t (space)

Telephone Features

(REDIAL/PAUSE)

(DIAL/ON HOOK)

Press (PGM). “DIRECTORY” appears on the

display.

Press one of the three ONE-TOUCH DIAL buttons ((1) to (3)).

“ENTER NAME” appears on the display.

Enter the name by pressing dialing keys. You can enter up to 16 characters.

Press a dialing key until the desired character appears. (See the character table for details.)

Enter successive characters in the same way.

To enter two characters assigned to the same key, or to enter a “space”, press v to move the cursor to the right.

Example: to enter “SONY”, press (7) four times (S), press (6) three times (O), press v to move the cursor, press (6) twice (N), and press (9) three times (Y).

SONY

Press (PGM). “ENTER NUMBER” appears on the display.

Enter the phone number by pressing the dialing keys.

You can enter up to 20 digits, including a tone and a pause, each of which is counted as one digit.

Press (PGM). The number is stored. The display returns to

“NEW OLD” of the initial mode.

Note

Do not allow more than 20 seconds to elapse between each step of the procedure.

Tip

If you have entered a wrong number in step 5, press (PGM), then start from the beginning.

To store a number to be dialed via Private Branch Exchange (PBX)

Before entering a phone number in step 5, do as follows:

Enter the outside line access digit (e.g., 9).

Press (REDIAL/PAUSE).

1234567

Changing a stored name and/or phone number

Display the name you want to change by doing steps 1 and 2 on page 20.

Press (PGM).

The cursor flashes at the first character of the name.

Press V or v until the character to be changed flashes.

SONY

Telephone Features

Basics

continued

Telephone Features

– 6 –

One-touch dialing (continued)

Enter the new name by pressing the dialing keys.

Repeat steps 3 and 4 to change the name. If you want to change only the number, skip these steps.

Press (PGM).

The phone number appears. The new phone number will be entered on the first line in step 6. The current phone number is displayed on the second line.

As shown below, the display of the entered phone number will change after registration.

Key First line Second line

(*) *

(#) # (REDIAL/PAUSE) P

(pause) (CALL WAITING/FLASH) F

(flash) (* TONE) (tone) T

Enter the new phone number as described previously by pressing the dialing keys.

If you don’t want to change the number, skip this step.

Press (PGM).

The name and/or the number is changed.

Tip

When the phone number of 17 digits or more has been entered, “–” is displayed next to 15th digit and then the remaining digits are displayed after about two seconds.

(Entered number) (Current number)

1234567

7654321

Erasing a stored name and phone number

Display the name and phone number you want to erase by pressing the ONE-TOUCH DIAL button ((1) to (3)).

Press (ERASE/CLEAR).

Press V or v to choose “YES”, and then press (PGM).

The name and phone number are erased.

ERASE ? YES NO

Making calls with one-touch dialing

Pick up the handset, or press (DIAL/ON HOOK).

Press the desired ONE-TOUCH DIAL button ((1) to (3)).

The phone number stored in the one-touch dial button will be dialed.

To check the phone number before one-touch dialing

When not making a call, press the desired ONE-TOUCH DIAL button ((1) to (3)). Each time the button is pressed, the display shows the name and the phone number successively.

The number stored in the button appears on the display for 20 seconds.

To dial the number, pick up the handset or press (DIAL/ON HOOK) while the number is displayed.

Note

When there is no name stored to the a one-touch dial button, “NO NAME” appears on the display. The display shows “NO DATA” when there is neither a phone number nor a name stored.

Tip

When the phone number of 17 digits or more has been entered, “–” is displayed next to 15th digit and then the remaining digits are displayed after about two seconds.

Telephone Features

Phone Directory

You can dial a number by scrolling through the Phone Directory, in which up to 50 phone numbers can be stored.

Storing phone numbers and names

(CALLER ID/DIRECTORY)

(ERASE/CLEAR)

V/v

Character table

Key Character

(1) 1 (2) A t B t C t 2 (3) D t E t F t 3 (4) G t H t I t 4 (5) J t K t L t 5 (6) M t N t O t 6 (7) P t Q t R t S t 7 (8) T t U t V t 8 (9) W t X t Y t Z t 9 (0) 0

(*) * (#) & t ’ t , t - t . t #

t (space)

Telephone Features

(DIAL/ON HOOK)

Example: to store “SONY” “123-4567”.

Press (PGM). “DIRECTORY” appears on the

display.

Press (PGM) again. “ENTER NAME” appears on

the display.

Enter the name by pressing dialing keys. You can enter up to 16 characters.

Press a dialing key until the desired character appears. (See the character table for details.)

Enter successive characters in the same way.

To enter two characters assigned to the same key, or to enter a “space”, press v to move the cursor to the right.

Example: to enter “SONY”, press (7) four times (S), press (6) three times (O), press v to move the cursor, press (6) twice (N), and press (9) three times (Y).

SONY

Press (PGM). “ENTER NUMBER” appears on the display.

Enter the phone number by pressing the dialing keys.

You can enter up to 20 digits, including a tone and a pause, each of which is counted as one digit.

Press (PGM). The name and the number are stored. The

display returns to “NEW OLD” of the initial mode.

Notes

• If you intend to store a 51st phone number, “MEMORY FULL” will be displayed. You cannot store the phone number. To store another phone number, erase one of the stored phone numbers (see page 27).

• Do not allow more than 20 seconds to elapse between each step of the procedure.

Tips

• If you have entered a wrong number in step 5, press (PGM), then start from the beginning.

• To store a number to be dialed via PBX, follow the steps on page 21 when entering a phone number.

1234567

Telephone Features

continued

Telephone Features

– 7 –

Phone Directory

(continued)

Changing a stored name and/or phone number

Display the name you want to change by doing steps 1 and 2 on page 28.

Press (PGM).

The cursor flashes at the first character of the name.

Press V or v until the character to be changed flashes.

Enter the new name by pressing the dialing keys.

Repeat steps 3 and 4 to change the name. If you want to change only the number, skip these steps.

Press (PGM).

The phone number appears. The new phone number will be entered on the first line in step 6. The current phone number is displayed on the second line.

As shown below, the display of the entered phone number will change after registration.

Key First line Second line

(*) *

(#) # (REDIAL/PAUSE) P

(pause) (CALL WAITING/FLASH) F

(flash) (* TONE) (tone) T

(Entered number) (Current number)

SONY

1234567

Enter the new phone number as described previously by pressing the dialing keys.

If you don’t want to change the number, skip this step.

Press (PGM).

The name and/or the number is changed.

Tip

When the phone number of 17 digits or more has been entered, “–” is displayed next to 15th digit and then the remaining digits are displayed after about two seconds.

7654321

Erasing the memory location

To erase phone numbers one by one

Display the name and phone number you want to erase by doing steps 1 and 2 on page 28.

Press (ERASE/CLEAR).

Press V or v to choose “YES”, and then press (PGM).

The memory location is erased.

To erase the entire memory at once

Make sure that “END OF LIST” is displayed.

Press (ERASE/CLEAR). “ERASE ALL?” is displayed, and “YES NO”

appears after about two seconds.

Press V or v to choose “YES”, and then press (PGM).

The entire memory is erased.

ERASE ? YES NO

END OF LIST

ERASE ALL ?

Telephone Features

Phone Directory

(continued)

Making calls from the Phone Directory

Press (CALLER ID/DIRECTORY).

“DIRECTORY” appears on the display.

Display the name and phone number you want to call.

To search in alphabetical order: Press V or v. To search by entering the initial character: Press the

dialing key of the desired character, then press V or v.

Pick up the handset or press (DIAL/ON HOOK).

The phone number will be dialed.

Notes

• After displaying the phone number in step 2, perform step 3 within 20 seconds.

• When you have checked all memory by pressing V or v, “END OF LIST” appears. “END OF LIST” appears only when searching in alphabetical order by pressing V or v.

About the search order

The names appear in the following order when you press V or v.

• Alphabetical order: ABC...XYZ y symbols y * y # y 0 - 9

• Initial character: To search for “SONY” for example, press (7) and then press V or v to search through the names starting with P, Q, R, S or 7.

continued

Telephone Features

Contrast control of the display

The contrast of the display can be controlled in three degrees.

The default setting is “2”.

Press (PGM).

Press V or v until “LCD CONTRAST” appears on the display.

Press (PGM).

The current contrast value flashes.

CONTRAST 1 2 3

Press V or v to change the display contrast, and then press (PGM).

The contrast of the display gets stronger as the larger value is set.

The display returns to “NEW OLD” of the initial mode.

Telephone Features

Note

Do not allow more than 20 seconds to elapse between each step of the procedure.

– 8 –

Telephone Features

+ 18 hidden pages

Sony IT-ID20 Service manual

TABLE OF CONTENTS

GENERAL