Page 1
-.
Service Manual
L
Specifications
Recording system . . . . . . . . . .
Erasing system . . . . . . . . . . . .
Tape speed (at tape start begin)
Fast forward time . . . . . . . . . . .
Rewind time . . . . . . . . . . . . . . .
Wow&flutter . . . . . . . . . . . . . .
Cue Tone Signal . . . . . . . . . . . .
Warning Tone Signal . . . . . . . .
FILE NO.
I
Mini Cassette Recorder
TRC-3640 (XE)
DC bias, 1/2 track
Frequency response . . . .
Magnet
S/N ratio . . . . . . . . . . . . .
3.09 cmlsec . f 5
“Io
Output power . . . . . . . . .
620 sec. (with MC-40N) Power source . . . . . . . . .
135 sec. (with MC-40N ) Terminals . . . . . . . . . . . .
1.5
“/o RMS
150 Hz
Dimensions . . . . . . . . . .
1.2 -3.2 kHz
Weight . . . . . . . . . . . . . .
PRODUCT CODE
No.
14260200
. . . .
400-4,000 Hz
. . . .
28 dB
200 mW (Max. music power)
DC :3 V, ( 2 size “AA “ batteries )
Earphone jack :8 ohm
Ext. DC jack
66 (W)x 135 (H)x 29 (D) mm
Approx. 185 g (without batteries)
Specifications subject to change without notice.
REFERENCE
No. SM580442
Page 2
REMOVAL AND lNSTALLATION—
GENERAL REMARKS
-.
. Allwiring should bereturned totheoriginal position after work is completed.
. Before adjusting the mechanism of this unit, wipe the tape contacting surfaces clean as well as
the contacting surfaces of the driving parts with a cotton swab or a soft cloth soaked in alcohol.
Trouble may occur because of oil and grease stains.
. Handle the belt carefully because grease easily attaches to it.
Then check the used rubber parts.
If the rubber has deteriorated or is scratched, replace the parts with new one.
a. REAR
CABINET
9
c. TOP LID
d. WIRING LAYOUT
● Arrange the wiring as shown in the figure.
(
WHITE-
BLUE-
b. AMP. P. W. BOARD & MECHANISM
d)
— RED
-BLACK
)
ANGE MIC LEAD
@&E
t
.
GRAY
HEAD
1
LEAD
I
—Gf
– GF
. .
H
L
-J
-1-
.
iJEHEAD‘EAD
Page 3
ADJUSTMENTS
Measuring instructions, tools
(6) TEST TAPE, HEAD AZIMUTH
(7) TEST TAPE, MOTOR SPEED
(1)
(2)
(3)
(4)
(5)
a.
(a)
AF VTVM
● Using tape : Mini-cassette tape of
● Using tape : Mini-cassette tape of
FREQUENCY COUNTER 18 pthick( A-BEX SSC-1584, etc.) 18 ,Uthick( A-BEX SSC-1 582, etc.)
OSCILLOSCOPE
● Recording signal :4 kHz
● Frequency of Recorded Linear Sweep
DC POWER SUPPLY ; 3.0 V
● Recording Lebel :-10 dB
Singal :4,575-3,925 Hz
DUMMY LOAD, 4 ohms
● Recording Tape speed :4.75 cm fsec.
● Recording Lebel :-10 dB
● Recording Time :84.5 sec
● Recording Tape speed :4.75 cm/sec.
HEAD REPLACEMENT AND AZIMUTH ADJUSTMENT
Head replacement
● After replacement, demagnetize the heads by using a
head eraser.
● Be sure to clean the heads before attempting to make any
adjustments.
(b)
(1)
(2)
(3)
(4)
b.
(1)
(2)
(3)
c.
Head azimuth adjustment
Load the test tape (A-BEX SSC-1 584,, etc. )
for azimuth adjustment.
Playback the test tape..
Use a cross-tip ( + ) screwdriver to turn the screw for azimuth
adjustment so that the outputs maximized.
After completion of the adjustment, use thread lock (TB-1 401 B)
to secure the azimuth adjustment screw.
MOTOR SPEED ADJUSTMENT
Load the test tape (A-BEX SSC-I 582,, etc.).
Playback the test tape..
Use a cross-tip ( - ) screwdriver to turn the P501 to adjust
so that the frequency counter becomes 3,000 Hz.
CHUCKING THE MECHANISM TORQUE
(1) Playback mode . . . . more than 40 g-cm
(2) Fast Forward mode . more than 45 g-cm
(3) Rewind mode . . . . . . more than 40 g-cm
PARTS LIST
E. HEAD R/P HEAD
HEAD AZIMUTH ADJ
CAUTION: Regular type resistors and capacitors are not listed. To know those values, refer to the schematic diagram.
PACKING & ACCESSORIES
~
620 208 0512
620 219 3335
620 210 1453
620 148 6216
614 268 2098
Description
CARTONCASE
PAO,STYROFOAM
PAD,PLAIN, UNIT
POLY COVER.
POLY COVER
INSTRUCTION MANUAL
-2-
Page 4
EXPLODED VIEW ( CABINET & CHASSIS
6@J
62— o
8—4<!—y06 /
LYO1
-3-
w
Page 5
PARTS LIST
b
CABINET & CHASSIS
Ref. No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
FIXING
Ref. No.
Yol
Y02
Y03
Y04
Y05
Y06
Y07
Y08
Y09
Ylo
Part No.
614 268 1466
411 160 6304
620 219 1744
620 139 0469
614 272 4668
620 219 1751
620 122 3880
620 124 9903
620 124 4847
614 206 7048
620 108 4825
411 086 1803
620 139 3798
614 268 1435
614 268 1701
\RTS
Part No.
620 122 9295
412 044 3105
620 122 6041
620 122 6652
620 122 9004
620 123 0857
620 123 0857
620 122 9295
620 122 9295
411 099 8400
ELECTRICAL PARTS
Description
ASSY,LID,CASSETTE
PIN SPRING 1,6X18MM
STOPPER,LID CASSETTE
SPRING LID CASSETTE
CABINET,ASSY,WITH SPEAKER
BRACKET-M,SPRING
HOLDER,MICROPHONE
SHEET
CUSHION
CUSHION
KNOB VOLUME
WASHER SPRING 2MM
SPRING EARTH
ASSY,CABINET,BOTTOM
LID,BATTERY
Description
SCREW1.7X5MM
SPECIAL SCREW
SCREW,2X4MM
SCREW 1.7X3MM
SCREW
TP SCREW M1.7X3.5MM
TP SCREW M1.7X3.5MM
SCREW 1.7X5MM
SCREW 1.7X5MM
SCR PAN PCS 1.4X1.6MM
Ref. No. Part No.
Description
51
620 003 3244 ] MICROPHONE
AMP P.W.BOARD ASSY
Ref. No.
61
Clol
C102
IC101
J2
J3
P501
Q101
SI
S3
S5
VR101
Part No.
620 219 3014
403 067 7201
403 067 7201
409 149 3307
620 019 2026
620 020 8512
620 218 5392
405 000 0904
620 206 3508
620 138 5991
620 206 5342
620 006 0233
Description
ASSY,PWB,AMP
MT-COMPO
0.033U J
50V
MT-COMPO
0.033U J
50V
IC LA4165M
lP,JACK,EARPHONE
EXT POWERSOCKET
VR,SEMI 3K N
TR DTA114YS
SWITCH,SLIDE,2K-4P-2T,
RECORD/PLAY
CONTACTSWITCH,FF/REW
SPRING,PLATE
ROTARYVOLUMEC 20K
LED P.W.BOARD
Ref. No. Part No.
Description
62 620 219 2949
PCB,LED
D201 407 065 3906
LED SLP-135B-51
620 124 9903
SHEET
IECHANISM (TM-T3640-sH}
....-. ..
. .... .. . .._ . ..
Ref. No. Part No.
Description
101
411 015 6800
RING E 1.2MM
102
620 125 1081
WASHER, 1.6X3.5X0.2MM
103 620 126 4722
REEL SUPPLY
104 620 125 1371
WASHER, 1.6X4X0.13MM
105
620 082 7935
REEL TAKE UP ASSY
106 620 125 1548
WASHER, 1.7X4X0.25MM
107
620 137 1345
SPRING BRAKE
108 620 129 7737
PLATE BRAKE
109
620 220 3676
SPRING,TENS
110
620 139 0605
SPRING
111
411 015 7609
RING E 1.5MM
112
620 130 0529
PLATE SLIDE
113
620 209 7428
ASSY,MOTOR,3V,0.3W
114 620 124 0498
CUSHION MOTOR
L15
620 219 2529
ASSY,CHASSIS
116
620 119 3541
SPACER
L17
620 122 6911
SCREW, 1,7X4MM
[18
620 083 3400
ARM COMPL
119
411 015 6800
RING E 1.2MM
120 620 128 6243
8ELT DRIVE
[31 411 015 7609
RING E 1.5MM
~32
620 130 1106
PLATE LOCK RECORD
133 620 139 0452
SPRING
134 411 015 7609
RING E 1.5MM
135
620 219 2536
LEVER RECORD ASSY
136 411 000 9304
RING E 2MM
137 411 015 7609
RING E 1.5MM
[38 411 016 0203
RING E 2.5MM
139
620 083 9211
PLATE LOCK ASSY
140 620 139 0551
SPRING
141
620 122 6133
SCREW,2X2MM
~42 620 125 7922
LUG
L43 411 019 4505
SCR PAN PCS 1.4X3MM
L44 620 016 4962
LEAF SWITCH,POWER,S1
L45
620 137 1086
SPRING SLIDE
~46
411 015 7609
RING E 1.5MM
[51 620 137 2861
SPRING
[52
620 023 3514
ERASE HEAD,HD-2
L53
411 015 6800
RING E 1.2MM
L54
411 015 7609
RING E 1.5MM
L55 620 130 0543
LEVER ERASE HEAD
~56 620 125 1371
WASHER, 1.6X4X0.13MM
L57
620 127 3113
GEAR IDLER
58
620 125 3399
WASHER
,59
620 137 1017
SPRING AZIMUTH
.60
411 088 6509
WASHER F 2X4.3X0.4MM,
R/P HEAD
.61
620 023 3989
HEAD,R/P,2T,HD-l
62
620 122 6102
SCREW,2X3MM
.63
614 226 9510
ORDERSCREW
620 123 7658
SHEET,MOTOR MTG.
620 124 4847
CUSHION,MECHANISMCHASSIS
MTG.
620 219 3052
SHEET,INSULATOR,
CHASSIS MTG.
–4-
Page 6
EXPLODED VIEW ( MECHANISM )
—
e
lol–@
102–4
W—101
c!!!)
A–102
1o3-
1044
c!b-
105
107-Q$% &-106
108- =(
~
1
y
\
-109
153
,,,~ N-110
152- -
,51i!:$ /~63 */”’%:~”2
9
-Q
-113
5
-114
‘w
5
138+ &-137 “\
--./
_.
-5-
Page 7
u
m:1
%$s
.
I I I
I
LA4165
O. 2.7 0. /5 /. /9 Z. 67
/.5 /.5 ,.5
—— _.__<
/.5 /.5 /.5 ,
PUY (v)
.QEc (VJ
D%Ol’l 4YS
---------- .
.3.0
z
T
47K
z i
-,
00 .?.0 /.8 o
Q--L
/.
o 0. /, 7
z 3.0 /. 8
-7
ALC
~
Slool
I POWER
I
m
I
-4
%
~.
HOI-1
RIP HEAD
R/PP
51-2 .
----------
—
I
~Ed2JAcK
“-’pTL!fqj3ti
RI 5
7. ‘!%(
+$V&---
lCK
T T
SWITCHES
1s1
I REVPLAYSW
I PLAY I
HO’-!
ERASE HEAO
X-J
r%
1.4% END SNSCR
*
- (w%
I
1 1
1
Page 8
WIRING DIAGRAM
.. .
,--
EARPHONE JACK
-1%
J2
VOLUME
HD2-1
E. HEAD
‘c ‘v ‘U’
s* o
Feb.1’9511900KMl
Printed
in Japan.
-7-
SANYO Electric Co., Ltd.
d
Osaka, Japan
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