Page 1
FILE NO.
Service Manual
Compact Cassette Recorder
TRC-860C
(XE)
Contents
Tape adjustments ............................................................ 1
Exploded view .................................................................. 2
Parts list ........................................................................... 3
Schematic diagram .......................................................... 4
Wiring diagram ................................................................. 5
PRODUCT CODE No.
164 100 03
REFERENCE No.
SM5810648
Page 2
TAPE ADJUSTMENTS
a. Adjusting Azimuth
• Be sure to clean the heads before attempting to make any adjustment.
• After completion of the adjustment, apply the threadlock (TB-1401B) to the azimuth adjustment screws to fix them securely.
(1) Load an azimuth adjustment test tape (VTT-703 etc., 10 kHz)
in tape deck.
(2) Press the PLAY button.
(3) Use a cross-tip screwdriver to turn the screw for azimuth
adjustment so that the left and right outputs are maximized.
(4) Press the STOP button.
b. Replacing the Head
• After replacing the head, demagnetize the head by using a
degausser.
• All wiring should be returned to the original position after work is
completed.
HEAD AZIMUTH ADJUSTMENT
PLAY
R / P HEAD
WHITE
EARTH
c. Adjusting Tape Speed
• Use a plastic screwdriver for adjustment.
(1) Inset the test tape (TCC-119 etc., 3000 Hz).
(2) Press the PLAY button.
(3) Use a flat-tip screwdriver to turn the VR403 to adjust so that
the frequency counter becomes 3000 Hz.
d. Checking the Mechanism Torques
• Clean the head, capstan and pinch roller before making any measurement.
Measurement Take-up torque Back tension Tape tension
Cassette for PLAY : TW-2111A
measurement F.FWD / REW : TW-2231 TW-2412
PLAY 23~50 gr.cm 1.0~5.0 gr.cm 30 gr or more
F.FWD 55 gr.cm more -- - -- -
REW 55 gr.cm more -- - -- -
PLAY : TW-2111A
MOTOR SPEED
ADJUSTMENT
Drive-power cassette
2.4 4.8
SPEED
- 1 -
Page 3
EXPLODED VIEW
1
6
2
7
3
4
9
8
10
11
Y01
122513
5
Y03
18
Y02
Y02
14
15
16
17
19
24
71
21
20
Y04
22
23
Y05
Y05
- 2 -
This is a basic exploded view.
Page 4
PARTS LIST
PRODUCT SAFETY NOTICE
EACH PRECAUTION IN THIS MANUAL SHOULD BE FOLLOWED DURING SERVICING. COMPONENTS IDENTIFIED WITH THE
!!
IEC SYMBOL
PERFORMANCE CAN BE OF SPECIAL SIGNIFICANCE. WHEN REPLACING A COMPONENT IDENTIFIED BY
REPLACEMENT PARTS DESIGNATED, OR PARTS WITH THE SAME RATINGS OF RESISTANCE, WATTAGE OR VOLTAGE THAT
ARE DESIGNATED IN THE PARTS LIST IN THIS MANUAL. LEAKAGE-CURRENT OR RESISTANCE MEASUREMENTS MUST BE
MADE TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE
RETURNING THE PRODUCT TO THE CUSTOMER.
CAUTION : Regular type resistors and capacitors are not listed. To know those values, refer to the schematic diagram.
N.S.P : Not available as service parts.
!
IN THE PARTS LIST AND THE SCHEMATIC DIAGRAM DESIGNATED COMPONENTS IN WHICH SAFETY AND
!!
!
, USE ONLY THE
Regular type resistors are less than 1/4 W carbon type and 0 ohm chip resistors.
Regular type capacitors are less than 50 V and less than 1000 µF type of Ceramic type and Electrical type.
PACKING & ACCESSORIES
REF.NO. PART NO. DESCRIPTION
614 325 9428 CARTON CASE,INNER,INNER
614 326 2763 CASE,CARRYING
614 325 9442 INSTRUCTION MANUAL
CABINET & CHASSIS
REF.NO. PART NO. DESCRIPTION
1 614 325 8360 DEC,ESCUTCHEON
2 614 325 8377 DEC,WINDOW
3 614 325 6984 SPRING,OPEN
4 614 325 9343 ASSY,LID,CASSETTE
5 614 325 8353 COVER,LID
6 614 294 5346 LEVER,REC
7 614 295 9763 SPRING,WIRE,REC LEVER
8 614 326 8819 ASSY,CABINET
9 614 246 5776 COUNTER
10 614 325 6953 SPACER,MECHA,COUNTER
11 614 268 8298 STRAP,SET
12 614 326 8437 BUTTON,REC
13 614 326 8444 BUTTON,PLAY
14 614 326 8451 BUTTON,STOP
15 614 326 8468 BUTTON,REW
16 614 326 8475 BUTTON,FWD
17 614 295 9251 BELT,SQUARE,COUNTER
18 614 294 5353 LEVER,RP
19 614 325 6991 TERMINAL,BATTERY(-)
20 614 295 9770 TERMINAL,(+)
21 614 325 6892 KNOB,SLIDE,VAS
22 614 325 6946 LID,BATTERY
23 614 325 8704 CABINET,BOTTOM
24 614 325 6908 KNOB,SLIDE,PAUSE
25 614 325 8902 ASSY,MECHA,TM-860CTN-SH
(For details as described later)
FIXING PARTS
REF.NO. PART NO. DESCRIPTION
Y01 411 178 7102 SCR TPG PAN PCS 1.7X4,
CASSETTE/ESCUTCHEON
Y02 411 178 7102 SCR TPG PAN PCS 1.7X4,
CASSETTE/COVER
Y03 411 022 7708 SCR S-TPG PAN 2X5,MECHA/CABI
Y04 411 022 7807 SCR S-TPG PAN 2X6,PWB/CABI
Y05 411 022 8606 SCR S-TPG PAN 2X8,
CABI-CABI REAR
AMPLIFIER P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
71 614 325 7677 ASSY,PWB,AMP(Only initial)
CN401 645 008 8698 JACK,PHONE D3.6
CN402 645 008 8698 JACK,PHONE D3.6
CN403 645 027 2998 SOCKET,DC
D4901 408 049 4001 LED SLZ-1G81B-22-AB-T2
D4902 407 206 5608 ZENER DIODE UDZS10B
D4904 407 206 5608 ZENER DIODE UDZS10B
D4905 407 149 0807 DIODE 1SS355
D4906 407 149 0807 DIODE 1SS355
D4907 407 225 0301 DIODE RB161M-20
IC401 409 245 5106 IC LA4167M
S4901 645 059 8012 SWITCH,PUSH
or 620 199 9839 SWITCH,PUSH,4-2
S4902 645 026 2623 SWITCH,SLIDE 1P-2T
S4903 645 057 2470 SWITCH,SLIDE
S4908 645 026 3668 SWITCH,SLIDE 2P-2T
VR401 645 026 4139 VR,ROTARY 10KBX1
or 645 063 5748 VR,ROTARY 10KBX1
VR403 645 026 5495 VR,SEMI,1K S
TAPE MECHANISM
REF.NO. PART NO. DESCRIPTION
25 614 325 8902 ASSY,MECHA,TM-860CTN-SH
645 027 2318 HEAD,ERASE
645 027 5098 HEAD,R/P AUDIO
645 059 7305 ASSY,MOTOR
645 027 2561 ASSY,PINCH ROLLER
645 027 2745 MAIN BELT
- 3 -
Page 5
IC401
C4925
C4927
R4916
CN403
R4602
R4606
C4917
C4921
C4922
C4923
C4903
R4903
R4902
C4904
C4905R4920
R4905
C4907
C4908
R4908
R4906
R4909C4915
C4913
R4910
C4906
R4901
R4918
R4919
D4901
C4928
D4904
C4929
S4901
C4932
L
D4906
D4905
R4923
R4924
D4902
C4931
R4930
R4922
VR403
R4929
C4935
C4916
C4936
R4928
R4927
S4903
S4902
C4930
C4909
R4611
R4612
R4613
S4908
R4621
R4622
C4937
R4981
VR401
CN401
CN402
R4635
D4907
LA4167M
6800P
4700P3.3K
560
470
220/4
22/6.3
220/4
47/4
47/4
10K
56
0.01
0.1/505.6K
470K
4.7/16
2.2/50
0
0
10220/4
0.015
4.7K
1/50
6.8K
1K
6.8K
+
SLZ-181B
220/4
UDZS10B
0.039
*
*
22/6.3
1SS355
1SS355
27K
27K
UDZS10B
1/50
100K
150
1.0K
*
3.9K
2200P
0.1
0.1
2.2K
12K
1/50
22/6.3
10K
3.3K
1K
10K
390
0.01
0
10KB
8.2K
RB161M
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
123456789101112131415
MIC
51.5dB
EQ
RX
300K
20K
RX RX
2K
RX
REC
ALC VOX
VOX
CUE-TONE
VREF
MIC
VCC
12
POWER
R.F
R/P
PAUSE
GVN
PLAY
PLAY
REC
REC
ON
OFF
S4901 : RECORD/PLAY SWITCH
S4902 : VAS SWITCH
S4903 : PAUSE SWITCH
S4906 : POWER SWITCH
S4908 : 4.8/2.4 SWITCH
EXT-MIC
EXTDC
EARPHONE
-1
SPEAKER
8 OHM
S4901-2
R/P-HEAD
S4901-3
SP401
MIC41
PLAY REC
ON OFF
S4906
BATT/3V
S4901-4
PLAY
REC
-1
4.8 2.4
4.8
2.4
S4908-2
0 2.7 1.61.6
1.6
1.6
1.6
2.7
1.2
0.7
0.2 1.3 2.8 0 1.7
3.01.201.21.61.6
1.6
001.61.61.51.6 0
1.4
0
0.2
PLAY (V)
VAS
ON
OFF
(V)
SCHEMATIC DIAGRAM
This is a basic schematic diagram.
- 4 -
Page 6
D4901
C4923
C4921
R4909
R4928
R4906
CANC4912
R4910
R4905
R4922
R4927
R4902
R4918
R5007
R5001
CN403
J4213
CAND4601
CANQ4606
CANQ4605
CANR4630
CANQ4602
CANR4623
R5013
J4109
R4602
R4606
R4613
CANR4629
CANQ4601
R5012
R5014
R5019
R5020
R5021
R5022
R5023
CANR4907
C4904
C4925
R4929
D4902
CANQ4603
CANR4627
R4621
R4622
R5002
R5016
R5017
R4635
CANR4632
CANR4631
CANR4626
R5009
R5018
WIRING DIAGRAM
CN401 CN402
(EAR) (MIC)
BATT-
C4916C4936
R5011
CANR4627
CANR4627
CANR4623
CANR4623
CANQ4602
CANQ4602
CANQ4601
CANQ4601
This is a basic wiring diagram.
Aug. / '04 BB Printed in Japan
CANR4625
R4919
J4003
C4931
CANR4628
CANR4624
CANQ4604
CANQ4603
CANQ4603
CANR4629
CANR4629
CANR4626
CANR4632
CANR4631
CANR4626
CANR4632
CANR4631
CANQ4605
CANQ4605
CANR4633
BATT+
R4928
R4928
J4101
R4909
R4909
J4102
C4915
R5006
C4913
CANC4912
CANC4912
CANR4907
CANR4907
R4908
CANR4931
J4106
R5005
S4901
CAND4602
R4923
R4924
C4930
R4635
R4635
R5017 R5018
R5017
R4621
R4621
R5018
R5008
R5024
R4622
R4622
R5022
R5022
R5023
R5023
R5019
R5019
CANQ4606
CANQ4606
CANR4630
CANR4630
R5020
R5020
R5021
R5021
CANR4634
J4005
R5009
R5009
J4001
R4910
R4910
R4906
R4906
J4203
J4204
D4906
J4004
J4006
CAND4601
CAND4601
J4213
J4213
- 5 -
J4104
J4105
C4906
J4207
J4108
D4905
J4211
J4212
VR401
C4922
C4908
R4981
IC401
R4611
R4602
R4602
C4928
R4905
R4905
C4907
R4901
C4935
D4902
D4902
R4930
R4606
R4606
(SLOW)(NORM)(FAST)
(VAS)
J4201
C4932
R4902
R4902
R4920
R5016
R5016
J4107
J4205
R5014
R5014
C4917
S4902
D4901
D4901
R4922
R4922
C4909
R5001
R5001
R4918
R4918
C4923
C4923
C4903
J4206
VR403
J4103
R5007
R5007
R5010
C4927
C4921
C4921
R4916
C4929
R5002
R5002
R4927
R4927
C4905
C4925
C4925
J4002
R4929
R4929
R4612
J4209
J4210
C4904
C4904
R4903
R5015
R5025
R5012
R5012R5013
R5004
R4613
R4613
R5003
D4904
D4907
J4109
J4109
CN403
CN403
R5013
SANYO Electric Co., Ltd.
Osaka, Japan
(PAUSE)
S4903
S003 94HB
1AD4B10D1790A
J4208
C4937
(4.8)
S4908
(2.4)
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