ORDER NO. AVS0002227C3
Master Tape Recorder
WE-LM30CH
SPECIFICATIONS
Head Configuration: Rec / Playback x 1, Erase x 1
Input Level: –22 dB, 47 kΩ or more
Output Level: –10 dB, 22 kΩ
Frequency Response: 63 Hz - 10 kHz
S/N Ratio: More than 50 dB
Distortion: Less than 2% (315 Hz playback)
Wow and Flutter: Less than 0.1% WRMS
Recording: AC bias (145 kHz)
Power Supply: DC +12V
Dimensions: 170 (W) x 120 (H) x 170 (D) mm
Weight: Approx. 1.8 kg
Specifications are subject to change without notice.
ACCESSORY
Remote Control Cable .............. 1 pc.
C 2000 Matsushita Communication Industrial Co., Ltd.
All rights reserved. Unauthorized copying and
distribution is a violation of law.
WE-LM30CH
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION:
TO REDUCE THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE COVER (OR BACK). NO USER
SERVICEABLE PARTS INSIDE.
REFER SERVICEING TO QUALIFIED SERVICE
PERSONNEL.
This symbol warns the user that uninsuland voltage
within the unit may have sufficient magnitude to cause
electric shock. Therefore, it is dangerous to make any kind of
contact with any inside part of this unit.
This symbol alerts the user that impotant literature concerning
the operation and maintenance of this has been included.
Therefore, it should be read carefully in order to avoid
any problems.
There are special components used in this equipment which are important for safety. These parts are indicated
by the mark on the schematic diagram and the replacement parts list. It is essential that these critical
parts should be replaced with manufacturer's specified parts to prevent X-radiation, shock, fire, or other hazards.
Do not modify the original design without permission of manufacture.
IMPORTANT SAFETY NOTICE
!
WARNING
This service information is designed for experienced repair technicians only and is not designed for use by the
general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to
service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any
attempt to service or repair the product or products dealt with in this service information by anyone else could
result in serious injury or death.
CONTENTS
MAJOR OPERATING CONTROLS AND THEIR FUNCTIONS..............................................................1
ADJUSTMENT PROCEDURE................................................................................................................2
LOCATION OF TEST POINTS AND ADJUSTING CONTROLS............................................................3
WIRING DIAGRAM.................................................................................................................................4
OVERALL BLOCK DIAGRAM................................................................................................................5
SCHEMATIC DIAGRAM
AMP BOARD / RELAY BOARD / SWITCH BOARD / DECK BOARD ...............................................6
MOTOR BOARD ...............................................................................................................................8
CONDUCTOR VIEW
AMP BOARD / RELAY BOARD / SWITCH BOARD / DECK BOARD ...............................................7
MOTOR BOARD ...............................................................................................................................9
EXPLODED VIEW.................................................................................................................................10
REPLACEMENT PARTS LIST ............................................................................................................12
WE-LM30CH
•¶
v
§
w
x
y
z
{
|}~åç†
u
¢
£
MAJOR OPERATING CONTROLS AND THEIR FUNCTIONS
| Pause Button
Pauses the caseette tape recorder.
u OPERATE Button (OPERATE)
Turning on the power of the teacher console also automatically turns on the power of the master tape recorder.
v Cassette Cover
w COUNTER / Volume Indicator
Indicates the cassette tape position.
} Fast Forward Button(
~ Playback Button(
å Stop Button(
ç Rewnd Button(
† Record Button (REC / TRACK 2)
When this Button is pressed, simultaneously with the
Playback Button (~), recording on both tracks are
selected.
)
)
)
/ )
Notes:
1. Refer to the section of Program Editing.
2. The recording can function in the MTR2 only.
¢ Paragraph Repeat Listen Button (PRL)
With this button, the desired paragraph on the tape
(maximum time is 20 minutes) is repeated five times.
Pressing this Button once in the playback mode, "c" for
informing the start point of the desired paragraph is displayed on the COUNTER / Volume Indicator (w).
Pressing this Button again, "c" for informing the end
point of the desired paragraph is displayed on the
COUNTER / Volume Indicator (w).
Then "c" for informing the working of the Repeat Listen
Function is displayed automatically on the COUNTER /
Volume Indicator (w).
x Reset Button (RESET)
y Eject Button ( )
Ejects the cassette tape.
z VOLUME Controls
The volume change of 8 steps is available.
This level is displayed on the COUNTER / Volume
Indicator (w).
{ Skip Back Listen Button (SBL)
Press this Button during a sentence or right after a sentence has been heard, and the tape will automatically
rewind itself to the beginning of the sentence and play it
again. If this button is pressed again or the Skip Back
Listen function is repeated 10 times in a now, then the
original mode will automatically be resumed.
£ Memory Button (MEMORY)
Pressing this Button once will cause the Memory
Indicator Lamp to light up, and the counter setting will be
memorized. Pressing this Button again will erase the
counter setting from the memory.
Press the Rewind Button (ç) when the Memory
Indicator Lamp is lit, and the tape will stop at the position
of the counter setting that was memorized.
§ TEACHER CONSOLE Connector
Connects with the Teacher Console WE-LL300CH.
• DC IN
Connects with the Power Supply Unit WU-PS30CH.
¶ Address Setting Buttons
These Buttons are used to set the address.
– 1 –
WE-LM30CH
ADJUSTMENT PROCEDURE
These procedures are required when replacing magnetic head.
– 2 –
WE-LM30CH
– 3 –
WE-LM30CH
41
CN101
CN100
E1(YWLB20EL15)
E102(YWLB20EL09)
E103(YWE6610LG0A)
1
121213
CN3 CN5 CN4
7
ERASE
HEAD
REC/PLAYBACK
HEAD
3
TS
FG
BOARD
ASS'Y
E
21
CN11
21
CN2
PBA1
H101H102
TO
BRAKE
PLUNGE
(P102)
REEL
MOTOR
MO101
TO
PLAY
PLUNGER
(P101)
E101
(YWLB20EL03)
13
17
CN1
17 1
18 2
CN102
15 1
14 2
CN6
SWITCH BOARD
AMP BOARD
RELAY
BOARD
MOTOR BOARD
DECK BOARD
CASSETTE DECK UNIT
17 1
18 2
CN300
E2
(YWLB20EL18)
876431
ETS
CN1
E3(YWELM51EK07)
E4
(YWELM30L01A)
CN2
15 1
3
2
1
JP1
D500
Q409
CN400
WIRING DIAGRAM
– 4 –
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