Aiwa TPVS-610 Schematic

TP-VS480

YHS YJS

TP-VS610

TP-VS610 TP-VS480

YHS YJS YLS

SERVICE MANUAL

CASSETTE RECORDER

This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
(S/M Code No. 09-992-326-70A).

BASIC TAPE MECHANISM : TN-9XR-107

S/M Code No. 09-993-327-50I

REVISION

DATA

SPECIFICATIONS

[TP-VS610]

Track system 2 tracks 1 channel, monaulal
Frequency response 250 - 8,000 Hz (4.8 cm/sec) EIAJ
Microphone Electret condenser microphone (monaural)
Maximum output 300 mW (EIAJ/DC)
Input jack EXT MIC jack (monaural mini-jack) (1)
Output jack EARPHONE jack (monaural mini-jack) (1)
Other jack DC 3 V jack
Speaker Diameter 50 mm, 4 ohms
Recording system DC bias
Erasing system Magnet erasure
Recording speed Approx. 4.8 cm/sec. with the REC MODE

switch set to NORMAL
Approx. 2.4 cm/sec. with the REC MODE
switch set to EXTENDED

Power sources DC 3 V using two R6 (size AA) dry cell bat-

teries
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 90 (W) x 113.5 (H) x 41 (D) mm

(33/8 x 41/2 x 15/8 in.)

Weight Approx. 170 g, 6 oz (excluding batteries)

[TP-VS480]

Track system 2 tracks 1 channel, monaulal
Frequency response 250 - 8,000 Hz EIAJ
Microphone Electret condenser microphone (monaural)
Maximum output 300 mW (EIAJ/DC)
Input jack EXT MIC jack (monaural mini-jack) (1)
Output jack EARPHONE jack (monaural mini-jack) (1)
Other jack DC 3 V jack
Speaker Diameter 50 mm, 4 ohms
Recording system DC bias
Erasing system Magnet erasure
Power sources DC 3 V using two R6 (size AA) dry cell bat-

teries
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. 166 g, 5.8 oz (excluding batteries)

• Design and specifications are subject to change without notice.

ACCESSORIES LIST (TP-VS610)

REF. NO PART NO. KANRI DESCRIPTION

1 8Z-HT6-904-010 IB,YHJ(ECC)C<YHS,YJS>
1 8Z-HT6-906-010 IB,YL(3L)C<YLS>
2 87-PD3-050-010 STRAP,HAND

NO.

ACCESSORIES LIST (TP-VS480)

REF. NO PART NO. KANRI DESCRIPTION

1 8Z-HTA-904-010 IB,YHJ(3L)C
2 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

87-017-643-080 IC,MM1206XF<6YHS,6YJS,6YLS>

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

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

87-020-027-080 CHIP-DIODE 1SS184
87-020-339-080 CHIP DIODE,1SS226

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)

C106 87-015-695-010 CAP,E 1-50 7L
C107 87-015-681-010 ELECTROLYTIC CAPACITOR, SRA16V
C108 87-015-677-010 ELECTROLYTIC CAPACITOR, 100U 6
C109 87-015-674-010 CAP 22U-6.3V
C110 87-010-186-080 CAP,CHIP 4700P

C111 87-015-698-010 ELECTROLYTIC SRA 50V-4.7U
C112 87-016-462-080 C-CAP,S 1-16 F<6YHS,6YJS,6YLS>
C113 87-016-462-080 C-CAP,S 1-16 F
C114 87-016-462-080 C-CAP,S 1-16 F
C115 87-015-675-010 ELECTROLYTIC CAPACITOR, 6.3V-3

C116 87-010-197-080 CAP, CHIP 0.01 DM
C118 87-016-462-080 C-CAP,S 1-16 F
C119 87-010-187-080 CAP CHIP S5600P
C151 87-A10-264-080 C-CAP,S 0.1-16ZF
C152 87-016-462-080 C-CAP,S 1-16 F

NO.

C153 87-015-908-010 CAP, 220-4V
C154 87-015-908-010 CAP, 220-4V
C155 87-015-676-010 CAP,E 47-6.3 7L
C162 87-010-193-080 CHIP CAPACITOR,0.033<6YHS,6YJS,6YLS>
C163 87-016-462-080 C-CAP,S 1-16 F<6YHS,6YJS,6YLS>

C181 87-015-695-010 CAP,E 1-50 7L
C182 87-015-676-010 CAP,E 47-6.3 7L
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
J101 84-TM1-630-010 JACK,3.5 HSJ1493-05
J102 87-A60-849-010 JACK,DC DIA 2.75 BLK
J103 84-TM1-630-010 JACK,3.5 HSJ1493-05

SW101 87-A90-305-010 SW,SL 2-2-2 (NC)
SW102 87-031-816-010 SLIDE SWITCH
SW161 87-031-816-010 SLIDE SWITCH
SW181 87-031-816-010 SLIDE SWITCH
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
VR202 87-A90-527-010 SFR,5K H VZ066L3
VR402 87-A90-528-010 SFR,50K H VZ066L3<6YHS,6YJS,6YLS>

LED C.B<6YHS,6YJS,6YLS>
C301 87-016-462-080 C-CAP,S 1-16 F<6YHS,6YJS,6YLS>

C302 87-016-462-080 C-CAP,S 1-16 F<6YHS,6YJS,6YLS>
C303 87-016-462-080 C-CAP,S 1-16 F<6YHS,6YJS,6YLS>
C304 87-016-462-080 C-CAP,S 1-16 F<6YHS,6YJS,6YLS>
D301 87-017-828-070 C-LED,SEL 1401C GRN<6YHS,6YJS,6YLS>

D302 87-017-829-070 C-LED,SEC 1901C ORN<6YHS,6YJS,6YLS>
D303 87-017-827-070 C-LED,SEC 1201C RED<6YHS,6YJS,6YLS>
D305 87-017-827-070 C-LED,SEC 1201C RED<6YHS,6YJS,6YLS>
SW103 87-036-123-080 CHIP SLIDE SWITCH,1-1-2

SW104 87-036-159-080 SWITCH SLIDE 2-2-2<6YHS,6YJS,6YLS>

LED C.B<4YHS,4YJS>
LED304 88-HC6-612-080 C-DIODE,RB411D<4YHS,4YJS>

REF. NO PART NO. KANRI DESCRIPTION

NO.

<6YHS,6YJS,6YLS>

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

SCHEMATIC DIAGRAM

F

56

R306

KA

C303

330

560

15

R153

D101

1GWJ42

3.3k

6

R406

18k

0.22
C403

56k

VR202

TAPE

SPEED

VR402 TAPE SPEED ADJ. (2.4)

C108

ADJ.

(4.8)

R108

C181 1/50

C115 33/6.3

C114

R109

560k

C118

3.3M

Q164

R106

12k

AZIMUTH

ADJ.

4

WIRING-1 (MAIN C.B)

1

A

B

C

D

234567

8

9

10

11 12 13

14

E

F

G

H

[TP-VS610 ONLY]

I

[BOTTOM VIEW]

J

A MAIN C.B [TOP VIEW]

65

WIRING-2 (LED C.B) WIRING-3 (CONNECTION)

1

A

B

C

D

234567

R

8

9

10

11 12 13

14

E

F

G

H

I

J

87

ELECTRICAL ADJUSTMENT

A MAIN C.B

VR402

VR202

J103

EARPHONE

VR201

PLAYBACK
SPEED

PRACTICAL SERVICE FIGURE

Tape speed: 3000 Hz ± 60 Hz
Wow & flutter: Less than 0.55% (4.8 cm/s)

Less than 0.8% (2.4 cm/s)
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-160

TTA-150

TTA-330

IC BLOCK DIAGRAM

1

R/P HEAD

1. Azimuth Adjustment
Settings: • T est 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 (4.8 cm/s)
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

IC, MM1206XF

23

3. Tape Speed Adjustment (2.4cm/s) (TP-VS610 only)
Settings: • Test tape: TTA-150 or TTA-160 (TAPE CENTER)

• Test point: EARPHONE JACK (J103)

• Adjustment location: VR402

• PAUSE: OFF

• VOLUME: Maximum

• PLAYBACK SPEED: Normal
(Speed volume center)

• REC MODE: Extended

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

±10Hz

TRANSISTOR ILLUSTRATION

C

B

E

2SC2712
2SC3326
2SC4081
2SC4116
2SC4213
DTC114

109

MECHANICAL EXPLODED VIEW (TP-VS610)

MECHNICAL MAIN PARTS LIST (TP-VS610)

1

PLATE, SHIELD
MOTOR

21

3

4

2

5

6

7

8

9

10

LED C.B

A

A

13

12

REF. NO PART NO. KANRI DESCRIPTION

1 8Z-HT6-015-010 KNOB,SL MIC SENS
2 8Z-HT6-029-010 GRILLE,MIC Y
3 8Z-HT6-006-010 WINDOW,CASS
4 8Z-HT6-016-010 KNOB,RTRY REC MODE
5 8Z-HT6-005-010 PANEL,LID

6 8Z-HT6-201-010 HLDR,MIC
7 82-TP3-609-010 ECM
8 8Z-HT6-023-010 LID,CASS Y
9 8Z-HT6-008-010 LENS,LED BATT
10 8Z-HT6-009-010 LENS,LED REC

11 8Z-HT6-024-010 FRAME,CENTER Y
12 87-HT8-208-010 SPR-T,LID CASS
13 87-HT8-203-010 SPR-P,CASS
14 87-HT8-205-010 LEVER,REC SAFETY
15 87-HT8-209-010 SPR-E,REC SAFETY

16 87-040-196-010 COUNTER
17 87-HT8-202-010 HLDR,COUNTER
18 87-HT8-210-010 BELT,COUNTER
19 87-HT8-204-010 LEVER,REC ACTUATOR
20 8Z-HT6-202-010 LEVER,PAUSE

21 8Z-HT6-010-010 BTN,PLAY
22 8Z-HT6-012-010 BTN,FF
23 8Z-HT6-013-010 BTN,REW
24 8Z-HT6-011-010 BTN,REC
25 8Z-HT6-014-010 BTN,STOP

NO.

REF. NO PART NO. KANRI DESCRIPTION

26 8Z-HT6-007-010 LID,BATT
27 8Z-HT6-203-010 BAT-CONTACT,(+)
28 8Z-HT6-204-010 BAT-CONTACT,(-)
29 84-HJ9-210-010 SHAFT,BAT
30 8Z-HT6-032-010 FOOT,RUBBER

31 87-A91-158-010 SPKR,DIA 50
32 8Z-HT6-020-010 GRILLE,SPEAKER
33 8Z-HT6-019-010 KNOB,SL VZRS
34 8Z-HT6-018-010 KNOB,SL SLSS
35 8Z-HT6-017-010 KNOB,SL PAUSE

36 8Z-HT6-025-010 CABI,REAR Y
A 87-351-508-310 VT2+1.4-3.5 BLK
B 87-067-271-010 SCREW VFT2+1.7-4
C 87-264-521-310 V+1.7-1.6 CR
D 87-067-769-010 VT2+1.7-8(3) BLK

E 87-354-529-310 VT2+1.7-4

NO.

11

18

28

25

B

19

B

C

20

29

24

27

23

26

22

MECHNICAL MAIN PARTS LIST (TP-VS480)

14

15

REF. NO PART NO. KANRI DESCRIPTION

21 8Z-HT7-203-010 LEVER,PAUSE
22 87-HT8-204-010 LEVER,REC ACTUATOR
23 8Z-HT7-206-010 BAT-CONTACT,(-)
24 8Z-HT7-205-010 BAT-CONTACT,(+)
25 8Z-HT7-007-010 LID,BATT

26 8Z-HT9-003-010 CABI,REAR
27 8Z-HT7-009-010 KNOB,SL SLSS
28 8Z-HT7-008-010 KNOB,SL PAUSE
A 87-B10-234-010 QT2+1.4-3 BLK
B 87-268-527-310 V HEAD SCREW D1.7-3

C 87-264-521-310 V+1.7-1.6 CR
D 87-067-271-010 SCREW VFT2+1.7-4
E 87-HT8-211-010 VT2+2-18 S-SCREW BLK
F 87-067-769-010 VT2+1.7-8(3) BLK

NO.

D

30

30

16

MAIN C.B

17

36

E

33

34

30

D

35

31

REF. NO PART NO. KANRI DESCRIPTION

1 8Z-HT9-007-010 WINDOW,CASS
2 8Z-HTA-008-010 LID,CASS YJ
3 8Z-HT7-004-010 GRILLE,MIC
4 8Z-HT7-005-010 PANEL,MIC
5 87-HT8-203-010 SPR-P,CASS

6 82-TP3-609-010 ECM
7 8Z-HT7-201-010 HLDR,MIC
8 8Z-HT7-204-010 COVER, MIC
9 8Z-HT7-010-010 GRILLE,SPEAKER
10 87-A91-158-010 SPKR,DIA 50 4OHM 1.0W

11 8Z-HT7-012-010 FOOT,RUBBER
12 87-HT8-208-010 SPR-T,LID CASS
13 8Z-HTA-003-010 FRAME,CENTER
14 87-HT8-205-010 LEVER,REC SAFETY
15 87-HT8-209-010 SPR-E,REC SAFETY

16 8Z-HT6-010-010 BTN,PLAY
17 8Z-HT6-012-010 BTN,FF
18 8Z-HT6-013-010 BTN,REW
19 8Z-HT6-014-010 BTN,STOP
20 8Z-HT6-011-010 BTN,REC

NO.

32

1211

MECHANICAL EXPLODED VIEW (TP-VS480)

3
4

6

7

8

14

26

11

28

27

16

13

12

10

SH, COVER
SPEAKER

9

15

PLATE, SHIELD
MOTOR

17

18

19

20

11

25

24

MAIN C.B

22

2

5

LED C.B

23

21

1

F

F

A

B

D

D

C

E

13

TAPE MECHANISM EXPLODED VIEW 1/1

14

TAPE MECHANISM PARTS LIST 1/1

REF. NO PART NO. KANRI DESCRIPTION

1 S1-909-013-050 CHASSIS ASSY
2 S1-909-020-190 FR PLATE
3 S1-909-020-090 LOCK PLATE
4 S1-909-020-140 STOP SPRING
5 S1-909-120-080 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 S1-909-040-060 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 COLLER

16 S1-944-030-020 HEAD SPRING PLATE
17 S6-205-020-130 PR HEAD RM-7521-A
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 S1-909-083-060 MOTOR ASSY
27 S1-909-050-130 BRAKE BELT
28 S1-909-043-010 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 S1-909-070-020 RWD GEAR
42 S1-909-020-130 FR SPRING
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

NO.

15

REFERENCE NAME LIST
ELECTRICAL SECTION

DESCRIPTION REFERENCE NAME
ANT ANTENNAS

C- CHIP
C-CAP CAP, CHIP
C-CAP TN CAP, CHIP TANTALUM
C-COIL COIL, CHIP

C-DI DIODE, CHIP
C-DIODE DIODE, CHIP
C-FET FET, CHIP
C-FOTR FILTER, CHIP
C-JACK JACK, CHIP

C-LED LED, CHIP
C-RES RES, CHIP
C-SFR SFR, CHIP
C-SLIDE SW SLIDE SWITCH, CHIP
C-SW SWITCH, CHIP

C-TR TRANSISTOR, CHIP
C-VR VOLUME, CHIP
C-ZENER ZENER, CHIP
CAP, CER CAP, CERA-SOL
CAP, E CAP, ELECT

CAP, M/F CAP, FILM
CAP, TC CAP, CERA-SOL
CAP, TC-U CAP, CERA-SOL SS
CAP, TN CAP, TANTALUM
CERA FIL FILTER, CERAMIC

CF FILTER, CERAMIC
DL DELAY LINE
E/CAP CAP, ELECT
FILT FILTER
FLTR FILTER

FUSE RES RES, FUSE
MOT MOTOR
P-DIODE PHOTO DIODE
P-SNSR PHOTO SENSER
P-TR PHOTO TRANSISTOR

POLY VARI VARIABLE CAPACITOR
PPCAP CAP, PP
PT POWER TRANSFORMER
PTR, RES PTR, MELF
RC REMOTE CONTROLLER

RES NF RES, NON-FLAMMABLE
RESO RESONATOR
SHLD SHIELD
SOL SOLENOID
SPKR SPEAKER

SW, LVR SWITCH, LEVER
SW, RTRY SWITCH, ROTARY
SW, SL SWITCH, SLIDE
TC CAP CAP, CERA-SOL
THMS THERMISTOR

TR TRANSISTOR
TRIMMER CAP, TRIMMER
TUN-CAP VARIABLE CAPACITOR
VIB, CER RESONATOR, CERAMIC
VIB, XTAL RESONATOR, CRYSTAL

VR VOLUME
ZENER DIODE, ZENER

MECHANICAL SECTION

DESCRIPTION REFERENCE NAME
ADHESHIVE SHEET ADHESHIVE

AZ AZIMUTH
BAR-ANT BAR-ANTENNA
BAT BATTERY
BATT BATTERY

BRG BEARING
BTN BUTTON
CAB CABINET
CASS CASSETTE
CHAS CHASSIS

CLR COLLAR
CONT CONTROL
CRSR CURSOR
CU CUSHION
CUSH CUSHION

DIR DIRECTION
DUBB DUBBING
FL FRONT LOADING
FLY-WHL FLYWHEEL
FR FRONT

FUN FUNCTION
G-CU G-CUSHION
HDL HANDOL
HIMERON CLOTH
HINGE, BAT HINGE, BATTERY

HLDR HOLDER
HT-SINK HEAT SINK
IB INSTRUCTION BOOKLET
IDLE IDLER
IND, L-R INDICATOR, L-R

KEY, CONT KEY, CONTROL
KEY, PRGM KEY, PROGRAM
KNOB, SL KNOB, SLIDE
LBL LABEL
LID, BATT LID, BATTERY

LID, CASS LID, CASSETTE
LVR LEVER
P-SP P-SPRING
PANEL, CONT PANEL, CONTROL
PANEL, FR PANEL, FRONT

PRGM PROGRAM
PULLY, LOAD MO PULLY, LOAD MOTOR
RBN RIBBON
S- SPECIAL
SEG SEGMENT

SH SHEET
SHLD-SH SHIELD-SHEET
SL SLIDE
SP SPRING
SP-SCREW SPECIAL-SCREW

SPACER, BAT SPACER, BATTERY
SPR SPRING
SPR-P P-SPRING
SPR-PC-PUSH P-SPRING, C-PUSH
T-SP T-SPRING

TERM TERMINAL
TRIG TRIGGER
TUN TUNING
VOL VOLUME
W WASHER

WHL WHEEL
WORM-WHL WORM-WHEEL

737004

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