Aiwa TPVS-64, TPVS-640 Service manual

TP-VS640

YH1

SERVICE MANUAL

CASSETTE RECORDER

This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
(S/M Code No. 09-995-331-8T1).

BASIC TAPE MECHANISM : TN-9XR-112

S/M Code No. 09-998-334-6R1

REVISION

DATA

SPECIFICATIONS

Track system 2 tracks 1 channel, monaulal (Recording)

4 tracks 2 channels, stereo (Playback)

Frequency response 250 - 8,000 Hz (EIAJ Recording)
Microphone Electret condenser microphone (monaural)
Maximum output 300 mW (EIAJ 16 ohms/DC)

10 mW+10 mW (EIAJ/6 ohms)

Input jack EXT MIC jack (monaural mini-jack) (1)
Output jack PHONES jack (stereo mini-jack) (1)
Other jack DC 3 V jack
Speaker Diameter 50 mm, 4 ohms (monaural)
Recording system AC 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 AC-D302

Battery life

Battry EIAJ Recording EIAJ 10 mW
Manganese (R6P) Batteries Approx. 5 hrs Approx. 3.5 hrs
Alkaline (LR) batteries Approx. 18.5 hrs Approx. 13.5hrs
Dimensions 113.5 (W) x 90 (H) x 38.4 (D) mm

(41/2 x 35/8 x 19/16 in.)

Weight Approx. 171 g, 5.9 oz (excluding batteries)

• Design and specifications are subject to change without notice.

ACCESSORIES LIST

REF. NO PART NO. KANRI DESCRIPTION

1 8Z-HT4-905-010 IB,YH(ECK)C
2 87-B30-240-010 HEADPHONE,HP-M035
3 87-PD3-050-010 STRAP,HAND

NO.

2

ELECTRICAL MAIN PARTS LIST

REF. NO PART NO. KANRI DESCRIPTION

IC
87-A20-399-010 IC,LA4168M

87-A20-461-040 IC,MM1336DF

TRANSISTOR
89-333-266-080 CHIP TR,2SC3326B

89-327-125-080 CHIP TR,2SC2712GR
87-A30-288-040 C-TR,DTC114YKA
89-341-165-080 CHIP TRANSISTOR 2SC4116GR
89-342-132-080 TR,2SC4213

87-A30-144-080 C-TR,2SC4081
89-508-804-080 CHIP FET 2SK880Y
89-332-654-080 C-TR,2SC3265Y

DIODE
87-A40-529-010 DIODE,1GWJ42

87-020-027-080 CHIP-DIODE 1SS184
87-020-339-080 CHIP DIODE,1SS226
88-HC6-612-080 C-DIODE,RB411D

MAIN C.B
C101 87-015-676-010 CAP,E 47-6.3 7L

C102 87-016-462-080 C-CAP,S 1-16 F
C103 87-016-462-080 C-CAP,S 1-16 F
C104 87-010-186-080 CAP,CHIP 4700P
C105 87-010-184-080 CHIP CAPACITOR 3300P(K)

C107 87-015-677-010 ELECTROLYTIC CAPACITOR, 100U 6
C108 87-015-677-010 ELECTROLYTIC CAPACITOR, 100U 6
C109 87-015-774-010 CAP,E 22-6.3
C111 87-015-698-010 ELECTROLYTIC SRA 50V-4.7U
C113 87-016-462-080 C-CAP,S 1-16 F

C115 87-015-675-010 ELECTROLYTIC CAPACITOR, 6.3V-3
C119 87-010-187-080 CAP CHIP S5600P
C121 87-016-462-080 C-CAP,S 1-16 F
C122 87-016-462-080 C-CAP,S 1-16 F
C123 87-016-462-080 C-CAP,S 1-16 F

C151 87-016-462-080 C-CAP,S 1-16 F
C152 87-A10-264-080 C-CAP,S 0.1-16ZF
C153 87-016-088-040 CAP, 220-6.3V
C181 87-015-695-010 CAP,E 1-50 7L
C182 87-015-676-010 CAP,E 47-6.3 7L

NO.

C183 87-016-462-080 C-CAP,S 1-16 F
C201 87-016-462-080 C-CAP,S 1-16 F
C401 87-A10-264-080 C-CAP,S 0.1-16ZF
C402 87-A10-264-080 C-CAP,S 0.1-16ZF
C403 87-016-491-080 C-CAP,S 0.22-16 FZ

C503 87-015-676-010 CAP,E 47-6.3 7L
C506 87-015-678-080 CAP,E 22-10
C508 87-015-676-010 CAP,E 47-6.3 7L
C511 87-010-067-080 CAP,E 0.1-50
C512 87-016-462-080 C-CAP,S 1-16 F

C517 87-A10-264-080 C-CAP,S 0.1-16ZF
C518 87-016-491-080 C-CAP,S 0.22-16 FZ
C519 87-016-491-080 C-CAP,S 0.22-16 FZ
C520 87-015-678-080 CAP,E 22-10
C522 87-016-462-080 C-CAP,S 1-16 F

C534 87-010-184-080 CHIP CAPACITOR 3300P(K)
C535 87-015-676-010 CAP,E 47-6.3 7L
J101 84-TM1-630-010 JACK,3.5 HSJ1493-05
J102 87-A60-849-010 JACK,DC DIA 2.75 BLK
J103 87-A61-032-010 JACK,3.5 BLK ST W/SW HSJ1494

SW101 87-A90-520-010 SW,SL 2-4-2SHORTING
VR202 87-A90-527-010 SFR,5K H VZ066L3
SW151 87-031-816-010 SLIDE SWITCH
SW181 87-031-816-010 SLIDE SWITCH
T501 87-007-189-010 AC BIAS COIL,5TAN-0179UH

TH201 87-A90-855-080 C-THMS,SC20-3K102K
TH202 87-A90-307-080 C-THMS,K39G220
VR101 87-A90-314-010 VR,RTRY 10K H
VR201 87-A90-308-010 VR,RTRY 3KB XV81

LED C.B
D305 87-017-827-070 C-LED,SEC 1201C RED

REF. NO PART NO. KANRI DESCRIPTION

NO.

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

Form

L

3

Dimensions (mm)

t

W

0.55

Resistor Code

108
118

128

LW t

1.0 0.5 0.35 104

1.6 0.8 0.45
2 1.25 0.45

3.2

1.6

: A
: A

SCHEMATIC DIAGRAM

4

WIRING-1 (MAIN C.B)

1

234567

8

9

10

11 12 13

14

A

B LED C.B

LED305

LED 305

R305

REC

B

C

DD

REC LED

D

E

BATTERY

+

1.5V

–

R

M.GND

R/P HEAD

L

+

SW101

(R<–––> P)

MOTOR

–

A MAIN C.B

BATTERY

+

1.5V

–

BATTERY

+

1.5V

–

R535

C522

C181

3579111315

C109

Q203

Q505

DS

R534

1

R112

C108

R151

G

R108

C152

C105

C107

Q506

G

C113

C103 C122

Q102

C104

R206

Q201

D
S

R111

C119

C123

C125

R120

TH201

R519

R109

R116

R119

R104

R532

R530

C515

–

C115

C111

C101

Q103

R103
R205

VR101

+

J103

J101

PAUSE SW

Q504

C182

IC101

16 18 20 22 24 26 28 30

R107

T501

R202

R204

V R202

D151

(1/4)

(3/4)

C536

R520

C151

Q404

C403

R409

D401

R402

R407

R408

+–

Q502

C518

R2

C510

LED

C520

C511

C504
R504

C517

C503

R502

3579111314

C506

1

C501

C507
C512

RL

C502

C508

sw101

HEAD

MOTOR

TH202

R201

C201

(2/4)

(4/4)

C153

+

–

F

BATT –

Q402

Q403

R405

G

R403
R401

D402

R404

C402

Q401

C121

C401

H

POWER SW

POWER

IC501

D101

I

J102

R1

C519

J102

DC 3V

J

SW181

SLSS SW

OFF

15 17 19 21 23 25 2728

C509

R508

R510

R182

Q181

R181

ON

C183

R506

R118

R117

C534

R515

C532

Q503

C533

R511

C535

R517

R516

R512

+

R101
C102

SW151

BATT +

R514
R513

R533
R531
C514

MIC

–

VR201

ONOFF

VR101

VOLUME

MIC

+
–

J103

EARPHONE

J101

EXT MIC

SPEAKER

–

+

VR201

PLAYBACK

SPEED

SW151
PAUSE

SW181

V-SENSOR

65

IC BLOCK DIAGRAM ELECTRICAL ADJUSTMENT

R/P HEAD

VR202

A MAIN C.B

J103

EARPHONE

VR201

PLAYBACK
SPEED

2

1

IC101

IC501

IC, LA4168M

IC, MM1336DF

1. Azimuth Adjustment
Settings: • Test tape: TTA-330

• Test point: EARPHONE JACK (J103)

• Adjustment location: Azimuth adjustment screw

• PAUSE: OFF

• VOLUME: Maximum.

Method: Play back the test tape, and adjust so that the

output (8 kHz) becomes maximum.

2. Tape Speed Adjustment
Settings: • Test tape: TTA-100 (TAPE CENTER)

• Test point: EARPHONE JACK (J103)

• Adjustment location: VR202

• PAUSE: OFF

• VOLUME: Maximum

• PLAYBACK SPEED: Normal
(Speed volume center)

Method: Play back the test tape, and adjust for 3000 Hz

±10Hz

87

PRACTICAL SERVICE FIGURE

Tape speed: 3000 Hz ± 60 Hz
Wow & flutter: Less than 0.55%
Take-up torque: 20 ~ 50 g-cm (FWD)
F.F torque: More than 55 g-cm
REW torque: More than 55 g-cm
S/N ratio: More than 56 dB (DC, PB)

More than 26 dB (DC, R/PB)

Distortion: Less than 3.0% (DC, PB)

Less than 7.0% (DC, R/PB)

Noise level: Less than 2.0 mV (PB, Vol Max., DC)

Less than 16 mV (R/PB, Vol Max., DC)

Less than 0.3 mV (PB, Vol Min, DC)
Erasing ratio: More than 44 dB (1kHz)
Test tape TTA-100

TTA-330

TRANSISTOR ILLUSTRATION

C

B

E

2SC2712
2SC3265
2SC3326
2SC4081
2SC4116
2SC4213
DTC114YKA

G

S

D

2SK880

9

MECHANICAL EXPLODED VIEW

28

26

25

27

1

2

3

4

30

5

6

29

31

A

LED C.B

19

12

7

8

9

11

10

MAIN C.B

E

24

G

G

22

21

23

D TN-9XR-112

C

20

B

13
14

B

E

17

10

15

16

F

18

E

17

17

MECHNICAL MAIN PARTS LIST

REF. NO PART NO. KANRI DESCRIPTION

1 8Z-HT4-003-010 WINDOW,CASS
2 8Z-HT7-010-010 GRILLE,SPEAKER
3 87-A91-158-110 SPKR,DIA 50 4OHM 1.0W K050NA50
4 87-HT8-208-010 SPR-T,LID CASS
5 8Z-HT4-004-010 FRAME,CENTER YH

6 87-040-196-010 COUNTER
7 87-HT8-202-010 HLDR,COUNTER
8 8Z-HT6-010-010 BTN,PLAY
9 8Z-HT6-012-010 BTN,FF
10 8Z-HT6-013-010 BTN,REW

11 8Z-HT6-014-010 BTN,STOP
12 8Z-HT6-011-010 BTN,REC
13 8Z-HT7-203-010 LEVER,PAUSE
14 8Z-HT7-206-010 BAT-CONTACT,(-)
15 8Z-HT9-003-010 CABI,REAR

16 8Z-HT7-009-010 KNOB,SL SLSS
17 8Z-HT7-012-010 FOOT,RUBBER
18 8Z-HT7-008-010 KNOB,SL PAUSE
19 8Z-HT7-007-010 LID,BATT
20 8Z-HT7-205-010 BAT-CONTACT,(+)

NO.

21 87-HT8-204-010 LEVER,REC ACTUATOR
22 87-HT8-210-010 BELT,COUNTER
23 87-HT8-209-010 SPR-E,REC SAFETY
24 87-HT8-205-010 LEVER,REC SAFETY
25 8Z-HT7-204-010 COVER, MIC

26 8Z-HT7-201-010 HLDR,MIC
27 8Z-HT4-001-010 LID,CASS YH
28 8Z-HT7-005-010 PANEL,MIC
29 8Z-HT7-004-010 GRILLE,MIC
30 87-HT8-203-010 SPR-P,CASS

31 82-TP3-609-010 ECM
A 87-B10-234-010 QT2+1.4-3 BLK
B 87-067-271-010 SCREW VFT2+1.7-4
C 87-264-521-310 V+1.7-1.6 CR
D 87-354-529-310 VT2+1.7-4

E 87-067-769-010 VT2+1.7-8(3) BLK
F 87-HT8-211-010 VT2+2-18 S-SCREW BLK
G 87-268-527-310 W HEAD SCREW D1.7-3

REF. NO PART NO. KANRI DESCRIPTION

NO.

11

TAPE MECHANISM EXPLODED VIEW 1/1

12

TAPE MECHANISM PARTS LIST 1/1

REF. NO PART NO. KANRI DESCRIPTION

1 S1-909-013-040 CHASSIS ASSY
2 S1-909-020-190 FR PLATE
3 S1-909-020-090 LOCK PLATE
4 S1-909-020-140 STOP SPRING
5 S1-909-120-030 REC LEVER SPRING

6 S1-909-120-070 REC LEVER
7 S1-909-120-020 MG GUIDE
8 S6-207-100-020 HEAD E TC-230AN(SL)
9 S1-852-140-020 M LUBBER
10 S1-909-030-050 HEAD PANEL

11 S1-909-040-020 P/R SPRING
12 S1-909-030-080 R/C SPRING
13 S1-909-030-070 R/C PLATE
14 S1-909-030-060 TAPE GUIDE
15 S1-852-140-030 M COLLOR

16 S1-944-030-020 HEAD SPRING PLATE
17 S6-202-030-410 RP HEAD MS15R-BA2N1
18 S1-909-020-100 STOP LEVER
19 S1-909-110-040 AUTO LEVER
20 S1-909-110-020 A PUSH ARM

21 S1-909-110-050 M CONTROL SPRING
22 S1-909-060-150 SENSOR SPRING C
23 S1-909-063-030 T REEL ASSY
24 S1-909-060-130 TAKE UP GEAR
25 S1-909-030-090 HP SPRING

26 S1-909-083-050 MOTOR ASSY
27 S1-909-050-130 BRAKE BELT
28 S1-909-043-020 PINCH ROLLER ASSY
29 S1-909-020-200 FR PLATE SPRING
30 S1-909-020-120 FF LEVER

NO.

REF. NO PART NO. KANRI DESCRIPTION

31 S1-909-053-040 FLYWHEEL ASSY
32 S1-909-080-100 MAIN BELT
33 S1-909-050-100 FL BRACKET
34 S1-909-020-150 R/C LEVER(R)
35 S1-909-020-160 R/C LEVER(F)

36 S1-909-060-120 CAM GEAR
37 S1-909-020-170 R/C BRACKET
38 S1-909-020-110 RWD LEVER
39 S1-909-020-180 FF STOPPER
40 S6-401-011-630 LEAF SW MSW-1541TA

41 S1-909-077-010 RWD GEAR
42 S1-909-020-130 FR SPRING
43 S1-909-120-090 REC SPRING PLATE
44 S1-909-120-100 REC SW LEVER
A S9-C01-174-030 CAMERA 1.7-4

B S9-C01-173-530 CAMERA 1.7-3.5
C S9-P14-203-310 +/- SCREW M2-3.3
D S9-C18-300-100 CAMERA 1.7-3
E S9-P08-173-410 PST 1.7-3.4
F S9-P14-206-320 +/- SCREW M2-3.6

G S9-W02-300-100 P WASHER CUT 1.2-3.8-0.3
H S9-W08-350-200 LUMILER WASHER CUT 0.98-3-0.3
I S9-W05-200-600 HL WASHER 1.16-3-0.2
J S9-W05-200-100 HL WASHER 1.55-3-0.13
K S9-C16-171-410 CAMERA 1.7-1.4

NO.

13

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737004

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