Aiwa HS-TA176 YZ User manual
SERVICE MANUAL
DATA
STEREORADIO
CASSETTE PLAYER BASIC TAPE MECHANISM : 4ZM-2 P19NC
HS-TA176
HS-TA21
HS-TA22
HS-TA23
HS-TA24
YJ,YHT
YU
YU
YU
YU
S/M Code No. 09-00C-438-6R2
REVISION
• This Service Manual is the “Revision Publishing” and replaces “Simple Manual”,
(S/M Code No. 09-00B-438-6T2).
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– 2 –
SPECIFICATIONS
Frequency range: FM: 87.5 - 108 MHz
YU: AM: 530 - 1710 kHz
EXCEPT YU: AM: 530 - 1605 kHz
Maximum output: 15 mW + 15 mW (EIAJ/32 ohms)
Power source: DC 3V using two R6 (size AA) batteries
Maximum outside: 91.5 (W) x 116.5 (H) x 34.0 (D) mm
dimensions (3 5/8x 4 5/8x 1 3/4in.)
(excluding projecting parts and control)
Weight: Approx.124 g (4.3 oz) (excluding batteries)
• Design and specifications are subject to change without notice.
ACCESSORIES / PACKAGE LIST
DESCRIPTIONREF.NO. KANRI
NO.
PARTNO.
1 8B-HRM-907-010 IB,YJ(ECCA)-C<EXCEPT YU>
1 8B-HRM-908-010 IB,YU(ESF)-C<YU ONLY>
2 8A-HKA-079-010 CLIP,BELT TRANS
3 87-B30-430-010 HEADPHONE,HP-M029(R)<[P]176YJ,[P]176YHT>
3 87-B30-431-010 HEADPHONE,HP-M029(BL)<[L]176YJ,[L]176YHT>
3 87-B30-432-010 HEADPHONE,HP-M029(G)<[G]176YJ,[GL]176YJ,[G]176YHT,[GL]176YHT>
3 87-B30-433-010 HEADPHONE,HP-M029(D)<[D]176YJ,[D]176YHT>
3 87-B30-434-010 HEADPHONE,HP-M029(DG)<[LD]176YJ,[LD]176YHT>
3 87-B30-435-010 HEADPHONE,HP-M028(V)<[V]24YU>
3 87-B30-436-010 HEADPHONE,HP-M028(BL)<[LA]21YU>
3 87-B30-437-010 HEADPHONE,HP-M028(G)<[GL]22YU>
3 87-B30-438-010 HEADPHONE,HP-M028(D)<[D]23YU>
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– 3 –
ELECTRICAL MAIN PARTS LIST
DESCRIPTIONREF. NO. KANRI
NO.
PART NO.
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
Lt
W
IC
87-A21-684-040 C-IC,TA2145AF
87-A20-851-040 C-IC,TA2111F
TRANSISTOR
87-A30-159-080 C-TR,KTA1298Y
87-A30-062-080 C-TR,KRC104S
87-A30-490-080 C-TR,KRC107S
DIODE
87-A40-965-040 C-DIODE,MMBD-2838LT1
MAIN C.B
87-A91-577-010 FLTR,KIT SN
BPF101 87-A91-680-010 FLTR,GFMB5-C3
C1 87-012-277-080 C-CAP, U 1800P-50 B
C2 87-012-277-080 C-CAP, U 1800P-50 B
C3 87-012-274-080 CHIP CAP,U 1000P-50B
C4 87-012-274-080 CHIP CAP,U 1000P-50B
C5 87-010-499-040 CAP,E 22-6.3 GAS
C6 87-015-674-040 CAP E 22-6.3M SRA
C7 87-012-285-080 C-CAP,U 8200P-50 B
C8 87-012-285-080 C-CAP,U 8200P-50 B
C11 87-A11-056-080 C-CAP,U 1-10 Z F
C12 87-A11-056-080 C-CAP,U 1-10 Z F
C13 87-012-277-080 C-CAP, U 1800P-50 B
C14 87-012-277-080 C-CAP, U 1800P-50 B
C15 87-015-676-040 E/CAP 47/6.3
C16 87-010-831-080 C-CAP,U,0.1-16F
C17 87-010-831-080 C-CAP,U,0.1-16F
C21 87-A10-489-040 CAP,E 220-4 7L SR
C22 87-A10-489-040 CAP,E 220-4 7L SR
C23 87-A10-489-040 CAP,E 220-4 7L SR
C24 87-A10-706-080 C-CAP,U 0.33-16 Z F
C25 87-A10-706-080 C-CAP,U 0.33-16 Z F
C51 87-A11-056-080 C-CAP,U 1-10 Z F
C101 87-012-162-080 C-CAP,U 1P-50 CH<YU ONLY>
C101 87-012-165-080 C-CAP,U 3P-50 CH<EXCEPT YU>
C102 87-012-178-080 C-CAP,U 18P-50 CH
C103 87-012-182-080 C-CAP,U 27P-50 CH
C104 87-012-164-080 C-CAP,U 2P-50 CH<YU ONLY>
C104 87-012-165-080 C-CAP,U 3P-50 CH<EXCEPT YU>
C105 87-012-286-080 CAP, U 0.01-25
C106 87-A10-463-080 C-CAP,U 0.47-10 Z F
C107 87-A11-056-080 C-CAP,U 1-10 Z F
C108 87-012-274-080 CHIP CAP,U 1000P-50B
C109 87-A11-056-080 C-CAP,U 1-10 Z F
C110 87-010-831-080 C-CAP,U 0.1-16 Z F
C111 87-012-286-080 CAP, U 0.01-25
C112 87-012-286-080 CAP, U 0.01-25
C113 87-012-286-080 CAP, U 0.01-25
C114 87-A11-070-080 C-CAP,U 0.033-16 K B
C115 87-A11-070-080 C-CAP,U 0.033-16 K B
C116 87-015-688-040 E/CAP 4.7-35 M 7L SRA
C117 87-010-831-080 C-CAP,U,0.1-16F
C118 87-012-274-080 CHIP CAP,U 1000P-50B
C119 87-010-503-040 CAP,E 220-4 GAS
C120 87-012-178-080 C-CAP,U 18P-50 CH
C201 87-012-274-080 C-CAP,U 1000P-50 K B
C211 87-A11-551-080 C-CAP,S 1000P-50 K B
CF101 87-A91-087-010 FLTR,PFS 450A6 B
J1 85-HRL-623-010 JACK,3.5 ST BLK
L1 87-A50-538-010 COIL,1UH RF CHOKE
L2 87-005-849-080 COIL,10UH(CECS)
L101 8B-HRL-607-010 BAR-ANT,MW(KTR)
L102 8B-HRL-606-010 COIL,FM RF
L103 8B-HRL-605-010 COIL,FM OSC
L104 87-A50-534-010 COIL,270UH AMOSC
L105 87-A90-663-010 IFT,MW 5L H6.4
R51 87-A00-530-080 C-RES,S 180-1/10W F
SFR51 87-024-197-010 SEMI-FIXED RESISTOR,1K
SW1 87-A90-133-110 SW,LEAF LSA1120JAU
SW2 87-A90-216-010 SW SL 2-2-3 SK23D
PVC101 87-A91-707-010 TUN-CAP,20P-160P 16X16 BLK A45
VR1 87-A90-981-010 VR,RTRY 20KBX1
DESCRIPTIONREF. NO. KANRI
NO.
PART NO.
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– 4 –
KRC104S
KRC107S
KTA1298Y
TRANSISTOR ILLUSTRATION
BE
C
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WIRING
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
– 5 –
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
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SCHEMATIC DIAGRAM
6
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– 7 –
ADJUSTMENT
<TUNER SECTION>
1. AM IF Adjustment
L105 ....................................................................... 600kH
2. AM Frequency range Adjustment
L104 .................................... 517kH ± 5kH <YU ONLY>
L104 ................................ 515kH ± 5kH <EXCEPT YU>
TC104 .............................. 1770kH ± 10kH <YU ONLY>
TC104 .......................... 1670kH ± 10kH <EXCEPT YU>
3. AM Tracking Adjustment
L101 ....................................................................... 600kH
TC101 .................................................................. 1400kH
4. FM Frequency range Adjustment
L103 ................................................... 87.0MH ± 0.2MH
TC103 ............................................... 109.0MH ± 0.1MH
5. FM Tracking Adjustment
L102 .................................................................... 88.0MH
TC102 ............................................................... 108.0MH
<TAPE PLAYER SECTION>
6. Tape Speed Adjustment
Settings : • Test tape : TTA–100 (Tape centre)
• Test point : PHONES JACK (J1)
• Volume : NON-CLIP (MAX-10dB DOWN)
• Function : TAPE
• Adjustment location : SFR51
Method : Play back the test tape and adjust SFR51 so that
the frequency becomes 3000H ± 10H . Then confirm
WOW is less than 0.50%.
7. Head A imuth Adjustment
Settings : • Test tape : TTA–330/TTA–420 (Tape centre)
• Test point : PHONES JACK (J1)
• Volume : NON-CLIP (MAX-10dB DOWN)
• Function : TAPE
• Adjustment location : Head a imuth
adjustment screw
Method : Play back the 8kH signal of the test tape and
adjust the screw so that the output becomes
maximum.
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DESCRIPTIONREF. NO. KANRI
NO.
PART NO. KANRI
NO.
REF.
NO. DESCRIPTIONPART NO. DESCRIPTIONREF. NO. KANRI
NO.
PART NO. KANRI
NO.
REF.
NO. DESCRIPTIONPART NO.
MECHANICAL EXPLODED VIEW 1 / 1 MECHANICAL PARTS LIST 1 / 1
– 8 –
COLOR NAME TABLE
Basic color symbol Color Basic color symbol Color Basic color symbol Color
B Blac C Cream D Orange
G Green H Gray L Blue
LT Transparent Blue N Gold P Pin
R Red S Silver ST Titan Silver
T Brown V Violet W White
WT Transparent White Y Yellow YT Transparent Yellow
LM Metallic Blue LL Light Blue GT Transparent Green
LD Dar Blue DT Transparent Orange GM Metallic Green
YM Metallic Yellow DM Metallic Orange PT Transparent Pin
LA Aqua Blue GL Light Green
1 8B-HRM-010-010 COVER, LIDCASS BLU
2 8B-HRM-064-010 LID,CASS ABLU TA21<[LA]21 YU>
2 8B-HRM-009-010 LID,CASS BLU YJ<[L]176 YJ,[L]176YHT>
2 8B-HRM-040-010 LID,CASS DBLU YH<[LD]176YJ,[LD]176YHT>
2 8B-HRM-041-010 LID,CASS GRE YH<[G]176 YJ,[G]176YHT>
2 8B-HRM-065-010 LID,CASS LGRE TA22<[GL]22 YU>
2 8B-HRM-042-010 LID,CASS LGRE YH<[GL]17 6YHT,[GL]176YJ>
2 8B-HRM-066-010 LID,CASS ORG TA23<[D]23YU>
2 8B-HRM-043-010 LID,CASS ORG YH<[D]17 6 YHT,[D]176YJ>
2 8B-HRM-044-010 LID,CASS PINK YH<[P]176YJ,[P]176 YHT>
2 8B-HRM-067-010 LID,CASS VIO TA24<[V]24YU>
3 86-HRM-205-010 SPR-T,CLICK
4 8B-HRL-208-010 SPR-P,CASS
5 8B-HRM-201-010 PLATE,HEAD BLU
6 8B-HRM-016-010 BTN,PLAY BLU
7 8B-HRM-202-010 PLATE,BTN BLU
8 8B-HRM-011-010 FRAME,CENTER BLU
9 86-HRM-009-210 POINTER,TUN
10 8B-HRM-203-010 BAT-CONTACT,(+)
11 86-HRM-006-010 KNOB,RTRY TUN
12 8Z-HRM-205-010 BAT,CONTACT(-)
13 8B-HRM-056-010 LID,BATT ABLU<[LA]21YU>
13 8B-HRM-015-010 LID,BATT BLU<[L]176YJ,[L]176 YHT >
13 8B-HRM-019-010 LID,BATT DBLU<[LD]176 YJ,[LD]176YHT >
13 8B-HRM-026-010 LID,BATT GRE<[G]176YJ,[G]176 YHT >
13 8B-HRM-039-010 LID,BATT LGRE<[GL]22 YU,[GL]176YHT,[GL]176YJ>
13 8B-HRM-038-010 LID,BATT ORG<[D]23YU,[D]176YHT,[D]176YJ>
13 8B-HRM-037-010 LID,BATT PINK<[P]17 6 YJ,[P]176YHT >
13 8B-HRM-053-010 LID,BATT VIO<[V]24YU>
14 8B-HRM-055-010 CABI,REAR ABLU<[LA]21YU>
14 8B-HRM-013-010 CABI,REAR BLU<[L]17 6 YJ,[L]176YHT >
14 8B-HRM-036-010 CABI,REAR DBLU<[LD]176 YJ,[LD]176YHT >
14 8B-HRM-032-010 CABI,REAR GRE<[G]17 6 YJ,[G]176YHT >
14 8B-HRM-035-010 CABI,REAR LGRE<[GL]22YU,[GL]176YHT,[GL]176YJ>
14 8B-HRM-034-010 CABI,REAR ORG<[D]23 YU,[D]176YHT,[D]176YJ>
14 8B-HRM-033-010 CABI,REAR PINK<[P]176 YJ,[P]176YHT >
14 8B-HRM-052-010 CABI,REAR VIO<[V]24 YU>
15 8B-HRM-209-010 CUSH, 8-8-4
A 87-067-732-010 TAPPING SCREW, VT1.4-3
B 87-B10-044-010 V+1.7-6.5
C 87-067-815-110 VT+1.4-3(HL)
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TAPE MECHANISM EXPLODED VIEW 1 / 1
A
23
25
1
22
27
10
5
24
28
29
21
20
19
18
16
2
3
4
17
26
6
15
11
7
9
8
12
13
14
FRAME,CENTER
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–10 –
TAPE MECHANISM PARTS LIST 1 / 1
DESCRIPTIONREF. NO. KANRI
NO.
PART NO.
1 84-ZM2-072-010 LEVER,PLAY DENT
2 84-ZM2-211-110 GEAR,CONNECT
3 84-ZM2-222-110 SPR-T,PLAY
4 84-ZM2-075-010 LEVER,STOP DENT
5 84-ZM2-216-210 REEL TABLE,R
6 84-ZM2-073-010 LEVER,FF DENT
7 84-ZM2-223-110 SPR-T,REW STOP
8 84-ZM2-232-310 BELT,MAIN
9 09-001-421-010 FLY-WHL,P ASSY
10 84-ZM2-228-310 SPR-C,BT
11 84-ZM2-220-110 BRG,P
12 84-ZM2-210-210 GEAR,AUTO
13 84-ZM2-218-110 CAP,GEAR AUTO
14 84-ZM2-208-510 LEVER,SHIFT
15 84-ZM2-224-110 SPR-T,FF LOCK
16 84-ZM2-207-310 LEVER,AUTO
17 84-ZM2-206-410 LEVER,LOCK
18 84-ZM2-219-010 PULLEY,MOTOR
19 87-A91-379-010 MOT,BCY3B-13
20 84-ZM2-226-510 SPR-C,CLUTCH
21 84-ZM2-212-010 GEAR,CLUTCH
22 84-ZM2-233-210 ROLLER ASSY,PINCH
23 84-ZM2-227-310 SPR-C,AZIMUTH
24 84-ZM2-225-010 SPR-T,AUTO FIND
25 87-A91-529-010 HEAD,TC-950
26 84-ZM2-074-010 LEVER,REW DENT
27 84-ZM2-215-110 REEL TABLE,L
28 84-ZM2-217-210 SHAFT,REEL
29 84-ZM2-231-110 FELT,CLUTCH
A 84-ZM2-252-010 S-SCREW,AZI-2-6.4 C
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2–11,IKENOHATA1–CHOME,TAITO-KU,TOKYO110,JAPAN TEL:03(3827)3111
Printedin Singapore2000075 9630472 0251431
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