SERVICE MANUAL
DA
TA
CASSETTE RECORDER
TP-VS485
Y, YH, YHT,
YJ, YL
S/M Code No. 09-008-435-9R1
REVISION
· This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
(S/M Code No. 09-007-435-9T1).
BASIC TAPE MECHANISM : ZZM-6 R2NF
2
Track system
2 tracks 1 channel, monaural
Frequency response
250 8,000 Hz EIAJ
Microphone
Electret condenser microphone (monaural)
Maximum output
300 mW (EIAJ/DC)
Input jack
EXT MIC jack (monaural mini-jack) (1)
Output jack
EARPHONE jack (monaural mini-jack) (1)
Other jack
DC 3 V jack
Speaker
Diameter 50 mm, 8 ohms
Recording system
DC bias
Erasing system
Magnet erasure
Power sources
DC 3 V using two R6 (size AA) dry cell batteries
AC house current using the AC adaptor Aiwa ACD302
Battery life
Battery
EIAJ Recording
EIAJ 10 mW
Manganese (R6P) batteries
Approx. 5 hrs
Approx. 4 hrs
Alkaline (LR6) batteries
Approx. 19 hrs
Approx. 15 hrs
Maximum outside dimensions
111.7 (W) x 84.3 (H) x 33.6 (D) mm
(excluding projecting parts and controls)
Weight
Approx.152 g (excluding batteries)
SPECIFICATIONS
· Design and specifications are subject to change without notice.
ACCESSORIES / PACKAGE LIST
DESCRIPTION
REF. NO.
KANRI
NO.
PART NO.
1
8A-HTA-905-010
IB,Y(EGF)S<Y>
1
8A-HTA-907-010
IB,Y(PHNCZ)S<Y>
1
8A-HTA-906-010
IB,Y(SID)S<Y>
1
8A-HTA-902-010
IB,YHJ(ECC)S<YH,YHT>
1
8A-HTA-903-010
IB,YJ(ECA)S<YJ>
1
8A-HTA-904-010
IB,YL(3L)S<YL>
2
87-PD3-050-010
STRAP,HAND
3
ELECTRICAL MAIN PARTS LIST
DESCRIPTION
REF. NO.
KANRI
NO.
PART NO.
DESCRIPTION
REF. NO.
KANRI
NO.
PART NO.
IC
87-A21-657-080
C-IC,AN7086S
87-A21-224-040
C-IC,LB1877M
TRANSISTOR
87-026-411-080
C-TR,RN1304
89-341-165-080
C-TR,2SC4116GR
89-333-266-080
C-TR,2SC3326B
87-026-414-080
C-TR,RN1307
87-A30-184-070
C-FET,2SJ106Y
87-026-417-080
C-TR,RN1310
DIODE
87-A40-822-040
C-DIODE,CRS01
87-001-167-080
DIODE,1SS302
87-001-166-080
DIODE,1SS301
MAIN C.B
C101
87-010-501-040
CAP,E 47-4 GAS
C102
87-A10-504-080
C-CAP,U 0.047-16 K B
C103
87-010-505-080
C-CAP,TN 1-16
C104
87-010-787-080
C-CAP,U 0.022-25
C105
87-016-317-080
C-CAP,TN 2.2-6.3
C106
87-012-282-080
CAP,U 4700P-50
C107
87-012-278-080
C-CAP,U 2200P-50 K B
C108
87-016-317-080
C-CAP,TN 2.2-6.3
C109
87-A10-952-080
C-CAP,TN 22-4 M A MCM
C110
87-016-562-080
C-CAP,TN 4.7-10 SV A
C111
87-016-562-080
C-CAP,TN 4.7-10
C112
87-010-788-080
C-CAP,U 0.033-25
C113
87-A10-262-080
C-CAP,U 1-10 ZF
C115
87-012-267-080
C-CAP,U 270P-50 B
C119
87-012-267-080
C-CAP,U 270P-50 B
C120
87-A10-262-080
C-CAP,U 1-10 ZF
C121
87-012-282-080
CAP,U 4700P-50
C122
87-016-396-080
C-CAP,U 0.22-16F
C123
87-016-562-080
C-CAP,TN 4.7-10 SV A
C124
87-016-317-080
C-CAP,TN 2.2-6.3
C125
87-010-820-040
CAP,E 47-4 M MJ
C126
87-010-503-040
CAP,E 220-4 GAS
C128
87-A10-262-080
C-CAP,U 1-10 ZF
C131
87-010-824-040
CAP,E 220-2(MJ)
C132
87-016-396-080
C-CAP,U 0.22-16F
C133
87-010-501-040
CAP,E 47-4
C134
87-010-502-040
CAP,E GAS 100-4
C141
87-010-821-040
CAP,E 100-4(MJ)
C142
87-A12-317-080
C-CAP,U 0.1-50 Z F
C301
87-010-822-040
CAP,E 220-4(MJ)
C302
87-010-822-040
CAP,E 220-4(MJ)
C303
87-010-822-040
CAP,E 220-4(MJ)
C305
87-A10-260-080
C-CAP,U 0.1-16 K B
C306
87-A10-260-080
C-CAP,U 0.1-16 K B
C307
87-A10-260-080
C-CAP,U 0.1-16 K B
C308
87-A10-828-080
C-CAP,U 0.33-6.3 K B
C310
87-A10-260-080
C-CAP,U 0.1-16 K B
C311
87-A12-317-080
C-CAP,U 0.1-50 Z F
C312
87-A10-827-080
C-CAP,U 0.47-6.3 K B
C313
87-A10-504-080
C-CAP,U 0.047-16 K B
C314
87-A12-317-080
C-CAP,U 0.1-50 Z F
C451
87-A12-317-080
C-CAP,U 0.1-50 Z F
C452
87-A12-317-080
C-CAP,U 0.1-50 Z F
C453
87-016-396-080
C-CAP,U 0.22-16F
J101
87-A61-294-010
JACK,3.5 MONO W/SW
J102
87-A61-294-010
JACK,3.5 MONO W/SW
J103
87-A61-124-010
JACK,DC DIA2.75 BLK TC
MIC101
84-TM1-639-010
ECM,KUC3523
S101
87-036-082-010
SW,SL 2-2-2 MCS-2210
S103
87-A90-423-010
SW,LEAF
S141
87-036-379-180
C-SW,SL1-1-2 SS-350-A12B-C-T
S182
87-036-379-180
C-SW,SL1-1-2 SS-350-A12B-C-T
S301
87-A90-423-010
SW,LEAF
SFR301
87-A91-653-040
C-SFR,K 33K H RH03AEC
SP101
87-A91-881-010
SPKR,50 8OHM 0.6W GENTOSPM2000
TH301
87-A90-542-080
C-THMS,NTH5G2M35A472K04TE
VR101
87-024-654-010
VR,RTRY 20KAX2 1H XV 0102G
VR301
87-A91-822-010
VR,RTRY 10KB H XV081PH1NCC-305
LED C.B
LED401
87-A91-355-040
C-LED,BR1112H-TR-RED
88
A
Resistor Code
Chip Resistor Part Coding
Figure
Value of resistor
Chip resistor
Wattage
Type
Tolerance
1/16W
1/10W
1/8W
1608
2125
3216
5%
5%
5%
CJ
CJ
CJ
Form
LW
t
1.6
0.8
0.45
2
1.25
0.45
3.2
1.6
108
118
128
: A
: A
CHIP RESISTOR PART CODE
0.55
Resistor Code
Dimensions (mm)
Symbol
1/16W
1005
5%
CJ
1.0
0.5
0.35
104
L
t
W
4
TRANSISTOR ILLUSTRATION
B
C
E
2SC3326
2SC4116
RN1304
RN1307
RN1310
S
G
D
2SJ106
1. Tape Speed Adjustment
Settings:
· Test tape:
TTA100 (Tape center)
· Test point:
Phones Jack (J102)
· Adjustment location: SFR301
· PAUSE:
OFF
· VOLUME:
Maximum
· TAPE SPEED:
Normal (Speed volume center)
Method:
Play back the test tape and adjust SFR301 for
3000Hz
± 10Hz.
2. Azimuth Adjustment
Settings:
· Test tape:
TTA330
· Test point:
Phones Jack (J102)
· Adjustment location: Head azimuth
adjustment screw
· PAUSE:
OFF
· VOLUME:
Maximum
· TAPE SPEED:
Center
Method:
Play back the test tape and adjust screw so that the
output become maximum.
ADJUSTMENT
5
WIRING 1 (MAIN)
8
7
6
5
4
3
2
1
1
3
4
5
6
7
8
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
2
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
9
10
11
12
13
14
15
16
9
10
11
12
13
14
15
16