background image
SERVICE MANUAL
YU,Y1,YH
HS-PS191
STEREO CASSETTE PLAYER
BASIC TAPE MECHANISM :4ZM-2 P3NC2
S/M Code No. 09-991-401-5O1
SPECIFICATIONS
· Design and specifications are subject to change without notice.
Maximum output:
15 mW + 15 mW (EIAJ/32
)
4 mW + 4 mW (EIAJ/16
)<Y1>
Power source:
DC 3V using two R6 (size AA) dry cell batteries,
AC house current using the optional AC adaptor
Aiwa AC-D302<YH>
Maximum dimensions:
116.4 (W) X 92.0 (H) X 35.0 (D) mm (45/
8 x 3
5/
8x 1
7/
16 in.)
Weight
Approx.110g (3.9 oz) (excluding batteries)


background image
DESCRIPTION
REF. NO.
KANRI
NO.
PART NO.
KANRI
NO.
REF. NO.
DESCRIPTION
PART NO.
IC
87-A21-144-040
IC,TA2069AF
DIODE
87-020-339-080
CHIP
DIODE,1SS226
MAIN
C.B
C1
87-010-181-080
CAP,CHIP
S
1800P
C2
87-010-181-080
CAP,CHIP
S
1800P
C3
87-010-189-080
C-CAP,S
8200-50
B
C4
87-010-189-080
C-CAP,S
8200-50
B
C5
87-015-676-040
E/CAP
47/6.3
C6
87-015-676-040
E/CAP
47/6.3
C7
87-010-180-080
C-CER
1500P
C8
87-010-180-080
C-CER
1500P
C9
87-010-178-080
CHIP
CAP
1000P
C10
87-010-178-080
CHIP
CAP
1000P
C11
87-A10-489-040
CAP,E
220-4
C12
87-A10-489-040
CAP,E
220-4
C13
87-015-695-040
E/CAP
1UF
50V
C14
87-015-681-040
E/CAP
10-16
C15
87-010-196-080
CHIP
CAPACITOR,0.1-25
C1 6
87-010-805-080
CAP,
S
1-16
C17
87-010-805-080
CAP,
S
1-16
C18
87-010-805-080
CAP,
S
1-16
C401
87-012-141-080
CHIP
CAPACITOR,0.22-16F
C402
87-012-141-080
CHIP
CAPACITOR,0.22-16F
C403
87-010-196-080
CHIP
CAPACITOR,0.1-25
J1
85-HRL-623-010
JACK,3.5
ST
BLK
J2
87-A60-849-010
JACK,DC
DIA
2.75
BLK
<YH>
R12
87-A00-530-080
C-RES,S
180-1/10W
SFR1
87-024-197-010
SEMI-FIXED
RESISTOR,1K
SW1
87-A90-133-01 0
SW
LEAF
LSA1120JAU
VR1
87-A90-981-010
VR,RTRY
20KBX1
FRONT
C.B
SW401
87-A90-330-080
C-SW,SL
1-1-2
SSSS81
ELECTRICAL MAIN PARTS LIST
2


background image
ADJUSTMENT <DECK>
1.
Tape Speed Adjustment
Settings :
· Test tape :
TTA­100(TAPE CENTER)
· Test point :
PHONES JACK (J1)
· Adjustment location :
SFR1
Method :
Play back the test tape and adjust SFR1 so that
the frequency is 3000Hz±10Hz.
2.
Head Azimuth Adjustment
Settings :
· Test tape :
TTA­300
· Test point :
PHONES JACK (J1)
· Adjustment location :
Head azimuth
adjustment screw
Method :
Play back the test tape and adjust the screw
so that the output becomes maximum and
same phase
PRACTICAL SERVICE FIGURE
Tape speed :
3000Hz ± 50Hz
Wow & flutter :
Less than 0.5% (RMS)
Take-up torque :
40g-cm (FWD/RVS)
F.F/REW torque :
More than 60g-cm
Back tension :
1.5 ~ 4.5g-cm (FWD/RVS)
S/N ratio :
More than 43dB (PB, DC)
Distortion :
Less than 3.0% (PB, DC)
Noise level :
Less than 7.0mV
(Vol MAX, PB, DC)
Less than 0.5mV
(Vol MIN, PB, DC)
Frequency response :
63Hz + 2/­ 4dB ~ 8kHz + 3/­ 4dB
Test tape :
TTA­210
TTA­320/TTA-310
TTA­ 100
3
MAIN C.B
A
PHONES
VOLUME
SFR 1
1
2
1


background image
WIRING (MAIN/FRONT)
4


background image
5
6
SCHEMATIC DIAGRAM (MAIN/FRONT)