BBK BKT-39P/TD RU User manual

Telephone Equipment
MODEL: BKT-39P/TD RU
Basic Phone
MAINFEATURES
1. Advanced electronic circuit design
2. Durable engineering material
3. Clear voice quality system
4. Crystal ringing with volume adjustable
5. Pulse/Tone selectable.
6. Handsfree with bi-directional speakerphone and speaker volume control
7. Pause/Flash/Redial/Mute/R Button
8. Two indicators
9. Several optional color
10. International high-quality certification guarantee (ISO9001)
Service Manual

Main Features--------------------------------------------------------------------------------------------------------------------------------1
Installation-------------------------------------------------------------------------------------------------------------------------------------1
Setting the Tone/Pulse Switch -----------------------------------------------------------------------------------------------------------2
Setting the Ringer LO-HI Switch---------------------------------------------------------------------------------------------------------2
Answering a Call-----------------------------------------------------------------------------------------------------------------------------2
Making a Call---------------------------------------------------------------------------------------------------------------------------------2
Redial Button ---------------------------------------------------------------------------------------------------------------------------------2
P*T Button -----------------------------------------------------------------------------------------------------------------------------------3
PAUSE Button--------------------------------------------------------------------------------------------------------------------------------3
FLASH Button--------------------------------------------------------------------------------------------------------------------------------3
Notepaper Case -----------------------------------------------------------------------------------------------------------------------------3
Location of Controls-------------------------------------------------------------------------------------------------------------------------4
Block Diagram--------------------------------------------------------------------------------------------------------------------------------5
Explosion Diagram--------------------------------------------------------------------------------------------------------------------------6
IC Data-----------------------------------------------------------------------------------------------------------------------------------------7-10
Elements Diagram---------------------------------------------------------------------------------------------------------------------------11
PCB Diagram---------------------------------------------------------------------------------------------------------------------------------12
Replacement Parts List --------------------------------------------------------------------------------------------------------------------13-14
Troubleshooting------------------------------------------------------------------------------------------------------------------------------15
Contents

1
MAINFEATURES
1. Advanced electronic circuit design
2. Durable engineering material
3. Clear voice quality system
4. Crystal ringing with volume adjustable
5. Pulse/Tone selectable.
6. Handsfree with bi-directional speakerphone and speaker volume control
7. Pause/Flash/Redial/Mute/R Button
8. Two indicators
9. Several optional color
10. International high-quality certification guarantee (ISO9001)
Installation
a. The telephone set shall be installed in a safe place where is shady and cool, dry, ventilate and erosive-gas-free.
b. Connect one end of the coiled line to the jack of the handset, connect the other end of the coiled line to the left
jack of the telephone base set. And then plug one end of the telephone cable to the telephone line jack and plug
the other end to the wall jack or connection box provided by Telecom Company.

2
SetthePulse/ToneSwitch
If the local telecom company provides the Touch-tone dialing system, please set the switch to the Tone position;
If the local telecom company provides the Pulse dialing system, please set the switch to the Pulse position.
SettheRingerVolume
Please Set the High/Low switch to the High position for normal ringer volume and to LO for lowering the ringer
volume.
AnsweringCalls
1. When the telephone rings, lift the handset or press the SPEAKER button;
2. The HANDSET INDICATOR or SPEAKER INDICATOR will light up during talking.
3. After talking, place the handset back on the cradle or press the SPEAKER button again.
MakingCalls
1. Lift the handset or press the SPEAKER button, the handset indicator or SPEAKER INDICATOR light up.
2. Dial the telephone number after hearing a dial tone.
3. Hang up the handset or press the SPEAKER button again upon completing the conversation.
If the volume is too high or too low, sliding the volume control to adjust speakerphone.
Note: 1) Switch from handset to SPEAKER: press the SPEAKER button then place the handset back on the cradle.
2) Switch from SPEAKER to handset: pick up the handset.
FLASHButton
Normally, the FLASH button can be used as the telephone hook to make a signal break when you hold the handset.
REDIALButton
1. If the dialed number is busy or you want to dial the last call again, press the hook or the FLASH button and release
it for a new dial tone.
2. Press the REDIAL button and release it.
3. The last call will be redialed out automatically.

3
PAUSEButton
Press PAUSE button lets you insert a pause in the automatic dialing sequence where pause required. This feature is
particularly useful if the telephone set is installed as a part of a PABX system, where you must dial an access code
(such as 0) to make an outgoing call.
TONEButton
If the Pulse / Tone switch on the telephone is set to Pulse position but you want to make a tone dialing, lift the
handset and press the TONE button once, then the dialing mode will switch to Tone Dialing automatically.
The telephone will turn back to Pulse Dialing mode after you hanging up the handset.
MUTEButton
Pressing and holding the MUTE button prevent the other party on the telephone line to hear your voice (In the
condition that you are going to speak to the third party around you but not willing to let the other party of the
telephone line hear your conversation). After release it, the conversation turn back normal.
RButton
Press R button allows you use special features of your PBX such as transferring an extension call. (This function is
valid only when you have applied for this function by your local telecom company.

4
LocationofControls
HANDSET Indicator
123
4 5 6
789
0
ABC DEF
GHI JKL MNO
PQRS TUV WXYZ
OPER
FLASH
HANDSET
INDICATOR
MUTE
REDIAL
SPEAKER
INDICATOR
SPEAKER
PAUSE
R
BKT 39P/TD RU
-
TONE
SPEAKER Indicator
TONE Button
MUTE Button
R Button
REDIAL Button
FLASH Button
PAUSE Button
Dial Buttons
Handset
TONE Button
Hook Switch
Handset
Coiled Line
Built-in Speaker
SPEAKER
HANDSET Indicator
SPEAKER Indicator
MUTE Button
R Button
REDIAL Button
FLASH Button
PAUSE Button
SPEAKER

5
BlockDiagram

6
ExplosionDiagram

7
ICData-Ringer

8
ICData-Ringer
Vcc
Tr
Csf
Rsf