AIWA HS TA204 Service Manual

HS-TA204

YH,YJ,YL,YZ

SERVICE MANUAL

STEREORADIO

CASSETTE PLAYER

 This Service Manual is the Revision Publishing and replaces Simple Manual,

(S/M Code No. 09-002-428-9T1).

BASIC TAPE MECHANISM :4ZM-2 P13NF

4ZM-2 P13NC

S/M Code No. 09-003-428-9R1

REVISION

DA T A

SPECIFICATIONS

Frequency range: FM: 87.5 - 108 MHz

Maximum output: YL,YH,YJ: 15 mW + 15 mW (EIAJ/32 ohms)

Power source: DC 3V using two R6 (size AA) batteries.

Maximum dimensions: 92.0 (W) x 116.4 (H) x 39.0 (D) mm

Weight: Approx.131 g (4.6 oz) (excluding batteries)

 Design and specifications are subject to change without notice.

YJ,YH,YZ: AM: 530 - 1605 KHz
YL: AM: 530 - 1710 KHz

YZ: 4 mW + 4 mW (EIAJ/16 ohms)

YH: AC house current using the optional AC
adaptor AIWA AC-D302

5

/8 x 4 5/8 x 1 9/

(3

in.)

16

ACCESSORIES / PACKAGE LIST

PART NO.

NO.

1 8A-HRM-902-010 IB,YJ (ECC)-IN<YJ>
1 8A-HRM-901-010 IB,YL (ESP)-IN<YL;YL1>
1 8A-HRM-904-010 IB,YZ (EDPOHCZ)-IN<YZ>
1 8A-HRM-903-010 IB,YZ (EGFSI)-IN<YZ>
1 8A-HRM-905-010 IB,YH (ECC)-IN<YH>

2 84-447-019-310 CLIP,BELT
3 87-B30-145-210 HEADPHONE,HP-M029(T)<EXCEPT YL>
3 87-B30-081-110 HEADPHONE,HP-M009(S)<YL>

DESCRIPTIONREF. NO. KANRI

- 2 -

ELECTRICAL MAIN PARTS LIST

PART NO. KANRI

NO.

IC

87-A21-387-040 C-IC,TA2145F
87-A20-851-040 C-IC,TA2111F

TRANSISTOR

87-A30-159-080 C-TR,KTA1298Y
87-026-261-080 CHIP-TR,RN1404
87-026-262-080 C-TR,RN1407

DIODE

87-020-027-080 CHIP-DIODE 1SS184
87-A40-630-040 C-DIODE RB411D<YH>

MAIN C.B

87-A90-988-010 FLTR,KMFC5153 T6-Z
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 CAPE 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 Z F

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,S3P-50CH<EXCEPT YL>
C101 87-010-146-080 CHIP CAP 2PF<YL>
C102 87-012-150-080 C-CAP,S 20P-50 CH
C103 87-012-159-080 C-CAP,S24P-50CH<EXCEPT YZ>

C103 87-010-315-080 C-CAP,S 27P-50 CH<YZ>
C104 87-010-145-080 C-CAP,S 1P-50 CH<YL>
C104 87-010-147-080 C-CAP,S3P-50CH<EXCEPT 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

DESCRIPTIONREF. NO. KANRI

REF. NO. DESCRIPTIONPART NO.

NO.

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 87-016-462-080 C-CAP,S 1-16 F
C110 87-010-196-080 CHIP CAPACITOR,0.1-25
C111 87-010-196-080 CHIP CAPACITOR,0.1-25

C112 87-A11-569-080 C-CAP,S 0.012-50 K B
C113 87-A11-569-080 C-CAP,S 0.012-50 K B
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 CAP 470P
C130 87-012-140-080 CAP 470P

C131 87-012-153-080 C-CAP,S 120P-50 CH
C132 87-010-150-080 C-CAP,S 6P-50 CH
C136 87-010-315-080 C-CAP,S 27P-50 CH<YH>
C401 87-016-460-080 C-CAP,S0.22-16B<EXCEPT YL>
C401 87-012-393-080 C-CAP,S 0.22-16K<YL>

C402 87-016-460-080 C-CAP,S0.22-16B<EXCEPT YL>
C402 87-012-393-080 C-CAP,S 0.22-16 K<YL>
C403 87-A11-718-080 C-CAP,S 0.1-25 Z F
CF101 87-A91-087-010 FLTR,PFS 450A6 B
J1 85-HRL-623-010 JACK,3.5 ST BLK

J2 87-A61-124-010 JACK,DC DIA2.75 BLKTC<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 5L H6.4
PVC101 87-A91-707-010 TUN-CAP,20P-160P16X16
R51 87-022-335-080 C-RES,S180-1/10W F<EXCEPT YH>

R51 87-A00-530-080 C-RES,S180-1/10W F<YH>
SFR51 87-024-197-010 SEMI-FIXEDRESISTOR, 1K
SW 1 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

FRONT C.B

SW401 87-A90-330-080 C-SW,SL 1-1-2 SSSS81

CHIP RESISTOR PART CODE

Chip Resistor Part Coding

88

A

Resistor Code

Chip resistor

Wattage Type Tolerance
1/16W 1005 5% CJ

1/16W
1/10W

1/8W

1608
2125

3216

5%
5%

5%

Symbol

CJ
CJ

CJ

Figure

Value of resistor

- 3 -

Form

L

W

Dimensions (mm)

LW t

1.0 0.5 0.35 104

t

1.6 0.8 0.45
2 1.25 0.45

1.6

0.55

3.2

Resistor Code

108
118

128

: A
: A

TRANSISTOR ILLUSTRATION

C

B

E

RN1404
RN1407
KTA1298

- 4 -

WIRING

101112131415161718192021222324

1234567892526272829303132

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

- 5 -

R

S

T

U

SCHEMATIC DIAGRAM

- 6 -

ADJUSTMENT

A

MAIN C.B

VR1

VOLUME

L104

IC1

P HEAD

FWD

7

<TUNER SECTION>

1. AM IF Adjustment

L105 ....................................................................... 455kHz

2. AM Frequency range Adjustment

L104 ................................................ 517kHz ± 5kHz<YL>

L104 ................................ 515kHz ± 5kHz<EXCEPT YL>

TC104 ......................................... 1775kHz ± 10kHz<YL>

TC104 ......................... 1670kHz ± 10kHz<EXCEPT YL>

3. AM Tracking Adjustment

L101 ....................................................................... 600kHz

TC101 .................................................................. 1400kHz

4. FM Frequency range Adjustment

L103 ...................................... 87.4MHz ± 0.05MHz<YZ>

L103 ....................... 87.0MHz ± 0.1MHz<EXCEPT YZ>

TC103 .................. 109.0MHz ± 0.1MHz<EXCEPT YZ>

TC103 ................................. 108.3MHz ± 0.05MHz<YZ>

5. FM Tracking Adjustment

L102 .................................................................... 88.0MHz

TC102 ............................................................... 108.0MHz

SFR51

6

SFR 1

L101

(BAR-ANT)

BAR ANT

PVC101

PVC1

L102

L103

L105

1

5

4

TC101

TC102

PHONES

TC104

TC103

6

J1

7

3

<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 3000Hz ± 10Hz(FWD).
Then confirm WOW is less than 0.50%.

7. Head Azimuth Adjustment
Settings :  Test tape : TTA330/TTA420

 Test point : PHONES JACK (J1)
 Volume : MAX
 Function : TAPE
 Adjustment location : Head azimuth

adjustment screw

Method : Play back the 8kHz signal of the test tape and

adjust the screw so that the output becomes
maximum.

2

3
2

- 7 -

MECHANICAL EXPLODED VIEW 1 / 1

- 8 -

MECHANICAL PARTS LIST 1 / 1

PART NO. KANRI

NO.

1 8A-HKA-003-010 KNOB,SL SBASS
2 8A-HRM-005-010 PANEL,CASS YJ<[S]YJ,[LM]YJ,YH>
2 8A-HRM-002-010 PANEL,CASS YU<YL,[S]YL>
2 8A-HRM-004-010 PANEL,CASS YZ<[S]YZ,[LM]YZ>
2 8A-HRM-011-010 PANEL,CASS YZS<[GM]YZ,[DM]YZ>

3 8A-HRM-003-010 PLATE,INDICATOR
4 8A-HRM-006-010 LID,CASS MBLU<[LM]YJ,[LM]YZ>
4 8A-HRM-007-010 LID,CASS MGRE<[GM]YZ>
4 8A-HRM-008-010 LID,CASS MORN<[DM]YZ>
4 8A-HRM-001-010 LID,CASS SIL<YL,[S]YZ,[S]YJ,[S]YL>

4 8Z-HRM-084-010 LID,CASS YH165 SIL<YH>
5 87-HRR-206-010 PLATE,HEAD J034<YL,[S]YZ,[S]YJ,[DM]YZ,[S]YL,YH>
5 88-HKB-205-010 PLATE,HEAD J240B<[LM]YJ,[LM]YZ>
5 88-HKB-204-010 PLATE,HEAD J266G<[GM]YZ>
6 8A-HRL-202-010 SPR-P,CASS<EXCEPT YH>

6 81-HK9-208-210 SPR-P,CASS A<YH>
7 86-HRM-205-010 SPR-T,CLICK
8 88-HRJ-038-010 FRAME,CENTER J034<YL,[S]YZ,[S]YJ,[DM]YZ,[S]YL,YH>
8 88-HKA-027-010 FRAME,CENTER VIO<[LM]YJ,[LM]YZ>
8 88-HKA-029-010 FRAME,CENTRE GRE<[GM]YZ>

9 86-HRM-009-210 POINTER,TUN
10 86-HRM-202-010 BAT-CONTACT,(+)
11 86-HRM-006-010 KNOB,RTRY TUN
12 8Z-HRM-205-010 BAT,CONTACT(-)
13 8Z-HRM-061-010 CABI,REAR ASSY MBLU<[LM]YJ>

13 8A-HRL-065-010 CABI,REAR ASSY MBLU YZ<[LM]YZ>
13 8A-HRL-066-010 CABI,REAR ASSY MGRE YZ<[GM]YZ>
13 8A-HRL-067-010 CABI,REAR ASSY MORN YZ<[DM]YZ>
13 8Z-HRM-058-010 CABI,REAR ASSY SIL<YL,[S]YJ,[S]YL>
13 8A-HRL-064-010 CABI,REAR ASSY SIL YZ<[S]YZ>

13 8Z-HRM-007-010 CABI,REAR YH<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

REF. NO. DESCRIPTIONPART NO.

NO.

COLOR NAME TABLE

Basic color Color Basic color Color Basic color Color

symbol symbol symbol

B Black C Cream D Orange
G Green H Gray L Blue

LT Transparent Blue N Gold P Pink

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 Dark Blue DT Transparent Orange GM Metallic Green

YMMetallic Yellow DM Metallic Orange

- 9 -

TAPE MECHANISIM EXPLODED VIEW 1 / 1

A

REEL TABLE,L

FRAME,CENTER

2

5

23

25

10

1

22

24

SHAFT,REEL

3

4

LEVER,REW G

CAPSTAN,

1.8-23.3
7

17

11

19

16

FELT,CLUTCH

21

20

18

6

15

14

9

13

12

8

- 10 -

TAPE MECHANISM PARTS LIST 1 / 1

PART NO. KANRI

NO.

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 84-ZM2-221-110 FLY-WHL,P2

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

A 84-ZM2-252-010 S-SCREW,AZI-2-6.4 C<P13NC>
A 84-ZM2-242-010 S-SCREW,AZ1-2-6.4<P13NF>

DESCRIPTIONREF. NO. KANRI

REF. NO. DESCRIPTIONPART NO.

NO.

- 11 -

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