Aiwa HS-TA166 User manual

SERVICE MANUAL
DATA
STEREO RADIO
CASSETTE PLAYER BASIC TAPE MECHANISM : 4ZM-2 P13NC2, P15NC, P16NC
HS-TA166 YH, YL
S/M Code No. 09-009-406-0S2
SUPPLEMENT
• This Service Manual contains information about the difference between
HS-TA166 (YH1BC, YH1LMC) and HS-TA165 (YH) / HS-TA166 (YL1LTC,
YL1BLTC, YL1BGTC, YL1BYTC) and HS-TA166 (YL). If requiring the other
information, see Service Manual of HS-TA165 / HS-TA166 (YH, YZ, YJ),
(S/M Code No. 09-001-406-0N1) and HS-TA166 (YL)
(S/M Code No. 09-99B-406-0R3).
• This Service Manual is for HS-TA166 (YH1BC, YH1LMC) Black color and
Metallic Blue color / HS-TA166 (YL1LTC, YL1BLTC, YL1BGTC, YL1BYTC)
Transparent Blue, Transparent Blue, Transparent Green and Transparent Yellow
color.

– 2 –
SPECIFICATIONS
Frequency range FM: 87.5 - 108 MHz
AM: 530 - 1605 kHz
Maximum output YH: 15 mW + 15 mW (EIAJ/32 ohms)
YL: 4 mW + 4 mW (EIAJ/16 ohms)
Power source DC 3 V using two R6 (size AA) batteries
Maximum dimensions 91.5 (W) x 116.5 (H) x 34.0 (D) mm
(35/8x 45/8x 13/4in.)
Weight Approx. 109 g (3.8 oz) (excluding batteries)
• Design and specifications are subject to change without notice.
ACCESSORIES / PACKAGE LIST
DESCRIPTIONREF. NO. KANRI
NO.
PART NO.
1 8Z-HRM-926-010 IB,YH(ECC)TA166-ALCO<YH>
1 8Z-HRM-921-010 IB,YL(ESP)TA166-ALCO<YL>
2 84-447-019-310 CLIP,BELT
3 87-B30-145-210 HEADPHONE,HP-M029(T)

– 3 –
ELECTRICAL MAIN PARTS LIST
DESCRIPTIONREF. NO. KANRI
NO.
PART NO. DESCRIPTION
REF. NO. KANRI
NO.
PART NO.
IC
87-A21-387-040 C-IC,TA2145F <YH>
87-A21-684-040 C-IC,TA2145AF <YL>
87-A20-851-040 C-IC,TA2111F
TRANSISTOR
87-A30-159-080 C-TR,KTA1298
87-026-261-080 CHIP-TR,RN1404
87-026-262-080 C-TR,RN1407
DIODE
87-020-027-080 C-DIODE,1SS184
87-A40-630-040 C-DIODE,RB411D <YH>
MAIN C.B
BPF101 87-A91-680-010 FLTR,GFMB5-C3
C1 87-A11-553-080 C-CAP,S 1500P-50 K B
C2 87-A11-553-080 C-CAP,S 1500P-50 K B
C5 87-010-500-040 CAP,E 33-4
C6 87-015-675-040 CAP,E 33-6.3 M SRA
C7 87-A11-565-080 C-CAP,S 8200P-50 K B
C8 87-A11-565-080 C-CAP,S 8200P-50 K B
C11 87-A11-733-080 C-CAP,S 1-16 Z F
C12 87-A11-733-080 C-CAP,S 1-16 Z F
C13 87-A11-554-080 C-CAP,S 1800P-50 K B
C14 87-A11-554-080 C-CAP,S 1800P-50 K B
C15 87-015-676-040 E/CAP 47/6.3
C16 87-A11-718-080 C-CAP,S 0.1-25 Z F
C17 87-A11-733-080 C-CAP,S 1-16 ZF
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-A11-726-080 C-CAP,S 0.33-16 Z F
C25 87-A11-726-080 C-CAP,S 0.33-16 Z F
C51 87-A11-733-080 C-CAP,S 1-16 Z F
C101 87-010-147-080 C-CAP,S 3P-50 C CH <YH>
C101 87-010-146-080 C-CAP,S 2P-50 C CH <YL>
C102 87-012-150-080 C-CAP,S 20P-50 J CH
C103 87-012-159-080 C-CAP,S 24P-50 J CH
C104 87-010-147-080 C-CAP,S 3P-50 C CH <YH>
C104 87-010-145-080 C-CAP,S 1P-50 C CH <YL>
C105 87-A11-566-080 C-CAP,S 0.01-25 K B
C106 87-A11-729-080 C-CAP,S 0.47-25 Z F
C107 87-A11-733-080 C-CAP,S 1-16 Z F
C108 87-A11-551-080 C-CAP,S 1000P-50 K B
C109 87-010-805-080 C-CAP,S 1-16 Z F
C110 87-010-196-080 C-CAP,S 0.1-25 Z F
C111 87-010-196-080 C-CAP,S 0.1-25 Z F
C112 87-A11-569-080 C-CAP,S 0.012-50 K B <YH>
C112 87-010-213-080 C-CAP,S 0.015-25 K B <YL>
C113 87-A11-569-080 C-CAP,S 0.012-50 K B <YH>
C113 87-010-213-080 C-CAP,S 0.015-25 K B <YL>
C114 87-A11-584-080 C-CAP,S 0.033-16 K B
C115 87-A11-584-080 C-CAP,S 0.033-16 K B
C116 87-015-688-040 E/CAP 4.7UF 35V TAPG
C117 87-010-452-080 CAPACITOR,1-16
C118 87-A11-551-080 C-CAP,S 1000P-50 K B
C119 87-010-503-040 CAP,E 220-4 GAS
C128 87-012-140-080 C-CAP,S 470P-50 J CH
C130 87-012-140-080 C-CAP,S 470P-50 J
C131 87-012-153-080 C-CAP,S 120P-50 J
C132 87-010-150-080 C-CAP,S 6P-50 CH
C136 87-010-315-080 C-CAP,S 27P-50 J CH
CF101 87-A91-087-010 FLTR,PFS 450A6 B
CF102 87-A90-988-010 FLTR,KMFC5153 T6-Z
J1 85-HRL-623-010 JACK,3.5 ST BLK
J2 87-A61-124-010 JACK,DC DIA2.75BLK TC <YH>
L1 87-A50-538-010 COIL,1UH RF CHOKE
L2 87-005-849-080 COIL,10UH(CECS)
L101 8A-HRJ-607-010 BAR-ANT,MW (KTR)
L102 8A-HRJ-606-010 COIL,FM RF
L103 8A-HRJ-605-010 COIL,FM OSC
L104 87-A50-534-010 COIL,270UH AMOSC
L105 87-A90-663-010 IFT,MW 15L H6.4
PVC101 87-A91-707-010 TUN-CAP,20P-160P
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 SK230
VR1 87-A90-981-010 VR,RTRY 20KBX1
TRANSISTOR ILLUSTRATION
E
B
C
RN1404
RN1407
KTA1298

– 4 –
WIRING 101112131415161718192021222324
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
1234567892526272829303132

– 5 –
SCHEMATIC DIAGRAM

– 6 –
ADJUSTMENT
<TUNER SECTION>
1. AM IF Adjustment
L105 ....................................................................... 600kH
2. AM Frequency range Adjustment
L104 .......................................................... 515kH ± 5kH
TC104 .................................................... 1670kH ± 10kH
3. AM Tracking Adjustment
L101 ....................................................................... 600kH
TC101 ................................................................... 1400kH
4. FM Frequency range Adjustment
L103 ......................................... 87.2MH ± 0.1MH <YH>
TC103 ............................................... 108.5MH ± 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 center)
• Test point : PHONES JACK (J1)
• Volume : NON-CLIP (MAX-10dB)
• Function : TAPE
• Adjustment location : SFR51
Method : Play back the test tape and adjust SFR51 so that
the frequency becomes 3000H ± 10H (FWD).
Then confirm WOW is less than 0.50%.
7. Head A imuth Adjustment
Settings : • Test tape : TTA–330/TTA–420
• Test point : PHONES JACK (J1)
• Volume : MAX
• 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.
SFR 1
AMAIN C.B
PHONES J1
L104
L102 PVC1
TC101
TC103
TC104
TC102
BAR ANT
L105
L103
14
2
2
3
3
L101
VR1
67
6
VOLUME
5
IC1
SFR51
P HEAD
FWD
7
(BAR-ANT)
PVC101

– 7 –
MECHANICAL EXPLODED VIEW 1 / 1 MECHANICAL PARTS LIST 1 / 1
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
1 8Z-HRM-103-110 WINDOW,CASS SIL 166YL<[GT]YL,[YT]YL>
1 8Z-HRM-164-010 WINDOW,CASS 166YL TBLU<[LT]YL>
1 8Z-HRM-105-110 WINDOW,CASS SIL 166YJ<[B]YH>
1 8Z-HRM-114-010 WINDOW,CASS MBLU 166YJ<[LM]YH>
2 8Z-HRM-115-010 LID,CASS MBLU 166YJ<[LM]YH>
2 8Z-HRM-102-010 LID,CASS BLK 166YL<[B]YH>
2 8Z-HRM-156-010 LID,CASS TBLU 166YH<[LT]YL>
2 8Z-HRM-157-010 LID,CASS TGRE 166YH<[GT]YL>
2 8Z-HRM-155-010 LID,CASS TYEL 166YH<[YT]YL>
3 86-HRM-205-010 SPR-T,CLICK
4 81-HK9-208-210 SPR-P,CASS A
5 87-HRR-206-010 PLATE,HEAD J034<[B]YH>
5 88-HKB-205-010 PLATE,HEAD YIO<[LM]YH>
5 8Z-HRM-209-010 PLATE,HEAD TBLU 166(SB708)<[LT]YL>
5 8Z-HRM-210-010 PLATE,HEAD TGRE 166(SG601)<[GT]YL>
5 8Z-HRM-211-010 PLATE,HEAD TYEL 166(SR503)<[YT]YL>
6 88-HRJ-038-010 FRAME,CENTRE J034<[B]YH>
6 88-HKA-027-010 FRAME,CENTRE V10<[LM]YH>
6 8Z-HRM-138-010 FRAME,CENTRE TBLU 166(SB708)<[LT]YL>
6 8Z-HRM-139-010 FRAME,CENTRE TGRE 166(SG601)<[GT]YL>
6 8Z-HRM-140-010 FRAME,CENTRE TYEL 166(SR503)<[YT]YL>
7 86-HRM-009-110 POINTER,TUN
8 86-HRM-006-010 KNOB,RTRY TUN
9 8Z-HRM-205-010 BAT-CONTACT,(-)
10 86-HRM-202-010 BAT-CONTACT,(+)
11 8Z-HRM-119-010 CABI,REAR MBLU 166YH<[LM]YH>
11 8Z-HRM-118-010 CABI,REAR 166 YH BLK<[B]YH>
11 8Z-HRM-127-010 CABI,REAR TBLU 166YU(SB708)<[LT]YL>
11 8Z-HRM-128-010 CABI,REAR TGRE 166YU(SG601)<[GT]YL>
11 8Z-HRM-129-010 CABI,REAR TYEL 166YU(SR503)<[YT]YL>
12 8Z-HRM-134-010 LID,BATT BLK 166(003N)<[B]YH>
12 8Z-HRM-135-010 LID,BATT TBLU 166(SB708)<[LT]YL>
12 8Z-HRM-136-010 LID,BATT TGRE 166(SG601)<[GT]YL>
12 8Z-HRM-137-010 LID,BATT TYEL 166(SR503)<[YT]YL>
12 8Z-HRM-154-010 LID,BATT MBLU<[LM]YH>
A 87-067-732-010 TAPPING SCREW, VT1.4-3
B 87-B10-044-010 V+1.7-6.5
C 87-067-691-010 SCREW VT+1.7-6
DESCRIPTIONREF.
NO. KANRI NO.
PART NO.

– 8 –
TAPE MECHANISM EXPLODED VIEW 1 / 1
4ZM-2 P15NC <[B]YH>
4ZM-2 P16NC <[LT]YL, [GT]YL, [YT]YL>
1
27
18
17
15
12
13
14
FRAME,CENTER
2
3
4
5
6
7
8
9
26
24
10
22
20
21
23
25
11 16
19
CAPSTAN,
1.8-23.3
28
29

–9 –
DESCRIPTIONREF. NO. KANRI
NO.
PART NO.
1 84-ZM2-002-310 LEVER,PLAY <P15NC>
1 84-ZM2-032-010 LEVER,PLAY W <P16NC>
2 84-ZM2-211-110 GEAR,CONNECT
3 84-ZM2-222-110 SPR-T,PLAY
4 84-ZM2-005-110 LEVER,STOP <P15NC>
4 84-ZM2-035-010 LEVER,STOP W <P16NC>
5 84-ZM2-216-210 REEL TABLE,R
6 84-ZM2-003-210 LEVER,FF <P15NC>
6 84-ZM2-033-010 LEVER,FF W <P16NC>
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-ZM2-233-110 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-ZM2-004-310 LEVER,REW<P15NC>
26 84-ZM2-034-010 LEVER,REW W<P16NC>
27 84-ZM2-215-110 REEL TABLE,L
TAPE MECHANISM PARTS LIST 1 / 1
4ZM-2 P15NC <[B]YH>
4ZM-2 P16NC <[LT]YL, [GT]YL, [YT]YL>

– 10 –
TAPE MECHANISM EXPLODED VIEW 1 / 1
4ZM-2 P13NC2 <[LM]YH>
25
23
1
22
26
24
27
28
21
20
19
18
16
17
29
CAPSTAN,
1.8-23.3
15
12
13
14
FRAME,CENTER
A
10
11
6
7
8
9
2
3
4
5

–11 –
DESCRIPTIONREF. NO. KANRI
NO.
PART NO.
TAPE MECHANISM PARTS LIST 1 / 1
4ZM-2 P13NC2 <[LM]YH>
1 84-ZM2-012-110 LEVER,PLAY G
2 84-ZM2-211-110 GEAR,CONNECT
3 84-ZM2-222-110 SPR-T,PLAY
4 84-ZM2-015-110 LEVER,STOP G
5 84-ZM2-216-210 REEL TABLE,R
6 84-ZM2-013-110 LEVER,FF G
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-ZM2-233-110 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-ZM2-215-110 REEL TABLE,L

2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:[phone]
Printed in Singapore2000075 9630472 0251431