Sony TL-DR0140 Service Manual
TL-HA80
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SERVICE MANUAL
Ver 1.0 2001.05
TEL 13942296513 QQ 376315150 892498299
Photo : TL-HA80
SPECIFICATIONS
TEL
Power source DC 9V from AC power adaptor
Dimensions Approx. 3
Mass Approx. 10.58 oz
Supplied accessories AC power adaptor (AC-T127)
13942296513
(92 x 96 x 165.5 mm)
(300 g)
Telephone cord: approx. 1 ft. (30cm)
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Stereo audio cable (stereo mini-plug):
approx. 3.5 ft. (1m)
Headset TL-DR0140
Headset hanger
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⁄8 x 3 7⁄8 x 6 5⁄8 inches (w/h/d)
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Photo : TL-DR0140
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US Model
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TEL 13942296513 QQ 376315150 892498299
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Headset (TL-DR0140)
Dimension (Cord) Approx. 7 ft. (2m)
Dimension (Plug) 3.5 mm dia.
Mass Approx. 0.88 oz (25 g) (without cord)
<Receiver>
Type Open air dynamic
Driver units 30 mm dia. (CCAW Voice coil)
Sensitivity 104 dB/mW
Impedance 24
Maximum input power 1000 mW (IEC)
<Microphone>
Type Close-talking pipe microphone
Unit Back electret condenser
Output impedance Under 2.2 k
Closed circuit voltage level -47 dB (0 dB = 1 V/Pa)
Design and specifications are subject to change without notice.
HANDS FREE ADAPTOR
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9-873-108-11
2001E0200-1
© 2001.5
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Sony Corporation
Personal Audio Company
Shinagawa Tec Service Manual Production Group
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TL-HA80
TABLE OF CONTENTS
Specifications ........................................................................... 1
7
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1. GENERAL ...................................................................... 2
2. DISASSEMBLY
2-1. Cabinet (Upper) ASSY ............................................... 4
2-2. Main noard, Volume board, Jack Bords...................... 4
3. DIAGRAMS
3-1. Block Diagram ............................................................ 5
3-2. Schematic Diagram ..................................................... 6
3-3. Printed Wiring Boards ................................................ 7
4. EXPLODED VIEWS .................................................... 8
5. ELECTRICAL PARTS LIST ..................................... 9
TEL 13942296513 QQ 376315150 892498299
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.
The components identified by mark 0 or
dotted line with mark 0 are critical for safety.
Replace only with part number specified.
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Setting up the unit
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Connect the unit
1
Connect the AC power adaptor to the DC IN jack and to an AC
outlet.
2
Disconnect the handset cord from the handset jack on the phone
and connect the handset cord to the HANDSET jack of the unit.
3
Open the cover on the bottom of this unit and remove the
switch securing cover.
4
Turn ON the TEST switch and make sure that you can hear a
long confirmation beep from the speaker side on the handset.
If no long confirmation beep is heard from the speaker side on
the handset, see "If no long confirmation beep is heard" to select
the setting of the A and B switches.
5
Turn OFF the TEST switch and put a switch securing cover.
6
Close the cover on the bottom.
7
Connect the telephone cord (supplied) to the phone and to the
TEL jack of the unit.
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TEL 13942296513 QQ 376315150 892498299
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SECTION 1
GENERAL
13942296513
This section is extracted from
instruction manual.
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Notes
• Use only the supplied AC-T127 AC power adaptor. Do not
use any other AC power adaptor.
• Use only the supplied telephone cord. Do not use any other
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telephone cord.
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• Do not close the AC power adaptor. It may cause noises.
• During a power interruption, you cannot use this unit.
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Switching handset/headset
conversation
The handset/headset conversation can be switched by placing the handset
on the TALK lever.
When the handset is placed on the TALK lever: Headset conversation mode
When the handset is not placed on the TALK lever: Handset conversation
mode
1
Attach the headset hanger to the headset from the slit as
illustration
.
Be sure to insert the protrusion of the headset hanger to the
projection of the headset.
2
Hang the headset hanger on the hook.
Note
Do not hang the headset on as illustration
.
TL-HA80
If no long confirmation beep is heard
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1 Turn ON the TEST switch.
2 Set the A switch to the position (1 to 4) where a long
confirmation beep is heard.
If this doesn't work and no long confirmation beep is heard yet,
turn the B switch to 2 and then set the A switch to the position
where a long confirmation beep is heard.
Notes
• Depending on the handset, a long confirmation beep is heard from the microphone
side. Be sure to set the A and B switches to the position where a long confirmation
beep is heard from the speaker side.
• If you have connected this unit to another phone, follow the instructions described
in “Connect the unit”.
Listening to music, etc. from an external equipment
If you want to listen to music, etc. from the external equipment, you can do
it using the headset during handset on-hook status.
Notes
• When you are listening to music, etc. with the external equipment connected to
AUDIO IN jack, HEADSET VOLUME (TEL) is not available. Volume control is
available with the connected equipment.
Also, turning off the sound from the connected equipment can be done either by
shutting down the power for the external equipment or by pulling out the stereo
audio cable from AUDIO IN jack on this unit.
• The sound of this unit is a monaural type.
Connect the headset
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Using the headset hunger
The headset can be hung on the hook (supplied) by mounting the headset
hanger (supplied) on the headset.
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TEL 13942296513 QQ 376315150 892498299
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13942296513
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Connect the headset plug to the HEADSET jack.
2
Place the earpiece support unit behind the top of your ear.
3
Adjust the length of the headband so that the headset fits on
your ear.
4
The earpiece can be rotated so it fits comfortably over either ear.
5
Position the headset microphone so that it is placed near the
mouth.
Notes
• Listening with headset at high volume may affect your hearing.
• The earpad may deteriorate due to long-term storage or use. If you need to
replacing the earpad, it can be purchase separately (EP-Q1).
Tip
You can use the headset on either your right or left ear.
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Tip
When an external equipment is connected to the AUDIO IN jack and the handset is not
placed on the TALK lever, the sound from the external equipment is connected to the
headset in either case that the handset is in the on-hook or off-hook status on the main
body of the phone.
Additional tasks
To
Adjust the receiver volume
Adjust the microphone
volume
Mute your voice
Notes
• If your phone's handset does not stay on the TALK lever
and easily drops from it, pull up the holder and place the
handset as shown in the figure.
• Howling noise might occur depending on the connected
phone. In this case, lower the receiver HEADSET
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VOLUME (TEL) control to a suitable position before use.
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Do this
Turn the HEADSET VOLUME (TEL) up to
increase the receiver volume or down to decrease it.
Put a coin, etc. in the slot of the MIC VOLUME
control, and turn right or left to adjust.
Adjust the microphone volume control to the
suitable position by asking another party on the
line to check.
Press
Press
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to disable the microphone. The
button lights up.
again to cancel.
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TL-HA80
SECTION 2
DISASSEMBLY
Note : Follow the disassembly procedure in the numerical order given.
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Set
2-1. CASE (UPPER)
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Case (upper)
Case (upper)
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Main board, Volume board, Jack board
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TEL 13942296513 QQ 376315150 892498299
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Case (lower)
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Screw (+BVTP3X10)
TEL
2-2. MAIN BOARD, VOLUME BOARD, JACK BOARD
Main board
13942296513
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Screws (+BVTP2.6X8)
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Screws (+BVTP2.6X8)
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Screws (+BVTP3X10)
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qa
MJ101
Spred
put
the case (lower)
0
claws and
qa
MJ101 off from
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Screw (+BTP2.6X8)
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MJ102
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Audio board
Case (lower)
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Knob (MIC)
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Knob (VOL)
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Screws (+BTP2.6X8)
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Volume board
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Case (upper)
3-1. BLOCK DIAGRAMS
SECTION 3
DIAGRAMS
TL-HA80
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HANDSET
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MJ102
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500mA
F101
250V
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RY101-1
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S104-A
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S103
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A
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TEL 13942296513 QQ 376315150 892498299
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MJ101
TEL
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F102
250V
500mA
F103
250V
500mA
JW103
1
RY101-2
VDD
VDD
VDD
3
RY101
RY102-1
RY102
RY103-1
RY103
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S104-C
JW203
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S102
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B
S104
TEST MODE
OFF
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ON
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S104-D
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S103-A
S103-B
S103-C
S103-D
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CDS1
D104
T102
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+5V
T101
0
TEST
GENERATOR
Q104,105
+
SIGNAL
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RV201
HANDSET VOLUME
(TEL)
MIC AMP
Q101,102
Q103
+5V
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S105
TEST MODE
OFF
ON
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+5V
DELAY
D108
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+5V
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ANALOG
SWITCH
IC102
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ANALOG
SWITCH
IC105
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MUTE
Q112
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HEADPHONE
IC103
LEVEL DETECT
Q110,111
RV202
MIC VOLUME
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AMP
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AUDIO IN
HEADSET
J105
J301
TEL 13942296513 QQ 376315150 892498299
RELAY
DRIVER
Q109
LED DRIVER
/BUFFER
Q108
+5V
S101
TALK
(HANDSET)
(HEADSET)
RELAY
DRIVER
Q106
DELAY
D109
DELAY
D107
MUTING
HOLD
IC101
+5V
D
CK
CLR
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PR
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+5V
S201
MUTING
D202
MUTING
D201
(LINE)
VDD
LED
DRIVER
Q107
+5V
+5V REG
IC104
D106
J103
DC IN 9V
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• Signal path.
H : RX
O : TX
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