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– 31 –

– 32 –

– 34 –

– 33 –

Note:
• All capacitors are in 

µ

F unless otherwise noted.  pF: 

µµ

F

50 WV or less are not indicated except for electrolytics
and tantalums.

• All resistors are in 

Ω

 and 

1

/

4

 

W or less unless otherwise

specified.

•

U

: B+ Line.

• Power voltage is dc 9 V and fed with regulated dc power

supply from external power voltage jack (J103).

• Voltages and waveforms are dc with respect to ground

under no-signal conditions.
no mark

: STOP

LIS

: LISTEN

FE

: FAST-ERASE

REC

: DICT/TEL-REC

F

:  FF

R

: REW

FWD

: LISTN, DICT, TEL, LTR

M-OFF

: MOTOR OFF

M-ON

: MOTOR ON

NO-CAS

: NO CASSETTE

HU-LIS

: LISTN mode (HU-80)

FOOT-LIS : LISTN mode (FS-75)

• Voltages are taken with a VOM (Input impedance 10 M

Ω

).

Voltage variations may be noted due to normal produc-
tion tolerances.

• Waveforms are taken with a oscilloscope.

Voltage variations may be noted due to normal produc-
tion tolerances.

• Circled numbers refer to waveforms.
• Signal path.

E

: PB

a

: REC

z

1

2

IC109   

tl

 X2

T101

VOLT/DIV : 0.5 V AC
TIME/DIV : 50 nsec

VOLT/DIV : 2 V AC
(X10ATT : ON)
TIME/DIV : 5 

µ

sec

3 Vp-p

4.19 MHz

50 Vp-p

12.5 

µ

sec

– 35 –

NOTE :

• -XX,  -X mean standardized parts, so they

may have some difference from the original
one.
Items marked “ * ”are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.

• The mechanical parts with no reference

number in the exploded views are not
supplied.

• Hardware (# mark) list and accessories and

packing materials are given in the last of this
parts list.

Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

1

X-3378-708-1 CABINET (FRONT) ASSY

2

X-3323-532-1 LID ASSY, CASSETTE

* 3

A-3062-116-A MAIN BOARD, COMPLETE

4

3-845-110-00 RETAINER, SPEAKER

5

3-701-822-01 HOLDER, WIRE

* 6

1-677-762-11 LED BOARD

* 7

1-677-761-11 12P CONNECTOR BOARD

* 8

3-323-679-01 BUSHING

* 9

3-323-680-01 COVER, JACK

10

3-382-000-01 PLATE, MD BUTTON

11

X-3378-709-1 CABINET (REAR) ASSY

12

X-3323-535-1 KNOB (VOL) ASSY

13

X-3323-536-1 KNOB (TONE) ASSY

14

3-323-693-01 BUTTON (EJECT)

15

3-323-695-01 BUTTON

16

3-323-698-01 BUTTON (MD) (REW)

17

3-323-697-01 BUTTON (STOP)

18

3-323-698-11 BUTTON (MD) (LISTEN)

19

3-323-698-21 BUTTON (MD) (FF)

20

3-323-696-01 SPRING, COMPRESSION

21

3-323-694-01 SPRING, COMPRESSION

22

3-323-692-01 SPRING, COMPRESSION

23

3-359-104-01 GUIDE, KNOB

24

3-343-250-01 CUSHION

25

3-329-013-01 FOOT, RUBBER

IC111

8-759-008-67 IC   MC14066BF

SP901

1-544-282-11 SPEAKER

#6

SP901

IC111

not supplied

not supplied

not supplied

#4

#4

#4

#3

#2

#1

#1

#1

Mechanism deck

#5

– 36 –

Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

51

X-3323-552-1 HOLDER ASSY, CASSETTE

52

3-359-163-01 SPRING, TENSION

53

3-359-159-01 PANEL (REEL)

* 54

3-359-144-01 HOLDER (HEAD)

55

4-920-347-01 SCREW, HEAD

56

3-578-138-01 SHIM (t=0.1)

56

3-578-138-11 SHIM (t=0.2)

57

3-831-441-99 CUSHION

* 58

3-359-140-01 CHASSIS, HEAD

59

3-583-501-00 SPRING, TENSION

* 60

3-359-126-01 SPRING (CASSETTE HOLDER)

61

3-323-520-01 SPRING

62

3-307-948-21 WASHER, NYLON

* 63

X-3323-551-1 LEVER (EJECT) ASSY

64

3-325-698-01 RING, RETAINING

65

3-359-152-01 BEARING, CAPSTAN

66

3-363-246-01 CUSHION (CH)

67

3-305-902-00 SPRING, TENSION

68

3-359-125-01 SPRING (CASSETTE RETAINER)

69

3-343-248-01 DAMPER (P), SMALL

70

X-3323-550-1 PINCH LEVER ASSY

71

3-359-164-01 SPRING, TENSION

72

3-831-441-11 CUSHION (B)

* 73

A-3021-329-A SERVO BOARD, COMPLETE

74

1-251-057-11 COUNTER, TAPE

75

3-701-439-11 WASHER

* 76

2-387-601-01 CUSHION, RUBBER

77

3-318-201-01 SCREW (B) (1.4X3), TAPPING

78

3-701-437-01 WASHER

HRP901 1-543-564-11 HEAD, MAGNETIC (REC/PB/ERASE)
M902

X-3362-206-1 MOTOR (F/R) ASSY

#7

#9

#9

#10

#14

#11

#12

#13

#16

#16

#8

M902

HRP901

 (See page 37)

not supplied

not supplied

not supplied

not supplied

– 37 –

Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

101

3-359-161-01 SPRING, TENSION

102

3-307-948-01 WASHER, NYLON

103

3-362-606-01 GEAR (FWD IDLER)

* 104

X-3323-544-1 PLATE ASSY, FUNCTION, FWD

105

3-359-162-01 SPRING, TENSION

106

X-3323-501-1 LEVER ASSY, F.I

107

3-509-127-00 SPRING, TENSION

* 108

3-359-153-01 LEVER (FWD)

109

3-359-160-01 SPRING, COMPRESSION

110

3-555-212-00 SPRING, TENSION

* 111

3-362-433-01 CUSHION (M)

112

3-359-158-01 BELT (FWD)

113

X-3362-056-1 FLYWHEEL ASSY

* 114

X-3323-545-1 ARM (FWD DRIVING) ASSY

115

3-307-948-21 WASHER, NYLON

116

3-359-154-01 GEAR (CAM)

117

3-701-437-01 WASHER

118

3-359-155-01 REFLECTOR

119

3-307-313-00 PLATE, YOKE

120

3-922-022-01 MAGNET, REEL TABLE

121

3-307-493-01 SPACER (t=0.1)

121

3-307-493-11 SPACER (t=0.15)

121

3-307-493-21 SPACER (t=0.2)

122

3-561-827-00 PLATE (A), HYSTERESIS

123

3-384-239-01 PULLEY (REFLECTOR)

125

3-309-031-00 SPRING, TENSION

126

X-3323-547-1 GEAR (F/R) ASSY

* 127

3-362-434-01 CUSHION (M2)

128

3-379-468-01 BELT (F/R)

129

3-359-156-01 IDLER (F/R)

130

3-362-473-01 CUSHION (M3)

131

3-533-223-00 SPRING, TENSION

* 132

X-3323-543-1 PLATE ASSY, FUNCTION, STOP

133

3-542-649-00 SPRING, TENSION

134

3-642-490-00 SPRING, TENSION

* 135

A-3035-282-A CHASSIS ASSY

136

3-727-902-01 SCREW (M1.4), SPECIAL

137

3-323-519-01 SPRING, COMPRESSION

138

3-356-713-01 WASHER

M901

X-3369-458-1 MOTOR (FWD) ASSY

PM901

X-3362-935-1 SOLENOID ASSY (STOP)

PM902

1-454-459-21 SOLENOID, PLUNGER (FWD)

PM903

1-454-509-11 SOLENOID, PLUNGER (BRAKE)

not supplied

not

supplied

#15

#12

#17

#15

PM901

PM902

M901

Supplied
with PM901

Supplied
with PM902

(including 60, 68, 69, 78, #11) (See page 36)

PM903

not

supplied

not supplied