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34

Pin No.

Pin Name

I/O

Description

84

REL

I

Rotation detection signal input from supply reel sensor and take-up reel sensor on the mechanism 
deck

85

POS3

I

86

POS2

I

87

POS0

I

88

POS1

I

89

LMLOD

O

Motor drive signal output to the loading motor drive (IC351)    “H” active
(For the loading direction and forward side operation)    *1

90

LMEJ

O

Motor drive signal output to the loading motor drive (IC351)    “H” active
(For the eject direction and reverse side operation)    *1

91

TAPEON

O

Power on/off control signal output of the loading motor drive (IC351) and capstan/reel motor 
(M901)    “H”: motor on

92

CMON

O

Capstan/reel motor (M901) drive signal output terminal    “H”: motor on

93

NOSESW

I

Front panel block remove/attach detection signal input
“L”: front panel is attached, “H”: front panel is removed

94

NCO

O

Not used (open)

95

DAVSS

—

Ground terminal (for D/A converter)

96 to 99

NCO

O

Not used (open)

100

DAVDD

—

Power supply terminal (+5V) (for D/A converter)

Tape position (EJECT/FF/REW/REV/
FWD mode) detect input from the tape 
operation switch on the deck mechanism

POS3: “L”: REV and EJECT mode, “H”: others mode
POS2: “L”: REW mode, “H”: others mode
POS0: “L”: EJECT mode, “H”: others mode
POS1: “L”: PLAY and FF in FWD mode, and REW

           in REV mode, “H”: others mode 

*1  Loading motor control

STOP

LOADING/

FORWARD

EJECT/

REVERSE

BRAKE

LMLOD (pin il )

“L”

“H”

“L”

“H”

LMEJ (pin o; )

“L”

“L”

“H”

“H”

Terminal

Mode

35

• 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 num-

ber in the exploded views are not supplied.

• Hardware (# mark) list and accessories and

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

NOTE:

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

may have some difference from the original
one.

• Color Indication of Appearance Parts

Example:
KNOB, BALANCE (WHITE) . . . (RED)

↑

↑

Parts Color Cabinet's Color

Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

1

X-3378-397-1 PANEL ASSY, SUB

* 2

1-676-603-21 SUB BOARD

3

1-792-195-11 CABLE, FLEXIBLE FLAT (14 CORE)

4

X-3377-621-1 LOCK ASSY

5

3-040-990-01 BUTTON (EJECT) (Z)

6

3-935-003-01 SPRING, TORSION

7

3-027-437-11 DOOR, CASSETTE

8

X-3376-699-1 GEAR ASSY

9

3-713-786-51 SCREW +P 2X3

10

3-030-909-01 DAMPER, OIL

* 11

3-040-994-01 CHASSIS

* 12

3-040-995-01 COVER

13

3-376-464-11 SCREW (+PTT 2.6X6), GROUND POINT

14

1-792-194-21 CORD (WITH CONNECTOR) (POWER)

* 15

3-045-828-01 INSULATED PLATE

16

3-012-859-01 CAP (25), RUBBER

* 17

3-045-878-01 PLATE (TU), GROUND

* 18

3-045-877-01 CUSHION (TU)

* 19

A-3326-826-A MAIN BOARD, COMPLETE

* 20

3-040-998-01 BRACKET (IC)

* 21

3-041-262-01 HEAT SINK (REG/XR)

* 22

3-040-996-21 HEAT SINK (2P)

* 23

3-046-991-01 SPACER (COVER R)

* 24

3-046-990-01 SPACER (COVER L)

F781

1-532-877-11 FUSE (BLADE TYPE) (AUTO FUSE) (10A)

TU1

A-3282-061-A TUNER UNIT (TUX-020)

36

Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

51

X-3380-015-1 PANEL SUB ASSY

52

3-224-293-11 BUTTON (CROSS) (DISC/PRESET+.

>

 SEEK + M. DISC/PRESET-.

.

 SEEK - m)

53

3-224-298-01 BUTTON (OFF)

54

3-224-296-01 BUTTON (EQ) (POS. EQ7)

55

3-224-297-01 BUTTON (MANU) (MENU. LIST. ENTER. SOUND)

56

3-224-299-01 BUTTON (1-6) (MODE. DSPL. 1. 2. 3. 4. 5. 6)

57

3-038-318-01 SPRING (RELEASE)

58

3-224-300-11 BUTTON (OPEN)

59

3-224-292-11 KNOB (VOL)

60

3-224-295-01 BUTTON (SOURCE)

* 61

3-224-306-01 PLATE (LCD), GROUND

* 62

3-224-307-01 SHEET (DIFFUSION)

63

1-694-787-11 CONDUCTIVE BOARD, CONNECTION

* 64

X-3379-981-1 HOLDER (LCD) ASSY

65

X-3379-982-1 PANEL ASSY, FRONT BACK

LCD500 1-804-294-11 DISPLAY PANEL, LIQUID CRYSTAL

37

Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

161

3-933-346-01 CATCHER

162

3-933-344-01 GUIDE (C)

163

3-014-798-01 SCREW (HEAD), SPECIAL

164

3-364-151-01 WASHER

165

A-3220-610-A MECHANISM DECK ASSY

166

3-017-302-01 BELT (25)

167

3-026-636-01 FLYWHEEL (F)

168

3-701-437-21 WASHER

HP901

1-500-157-21 HEAD, MAGNETIC (PLAYBACK)

M901

A-3291-665-A MOTOR ASSY, MAIN (CAPSTAN/REEL)

151

A-3291-667-A CLUTCH (FR) ASSY

* 152

3-019-130-01 LEVER (LDG-A)

* 153

3-019-131-01 LEVER (LDG-B)

154

3-020-539-01 SPRING (LD-1), TENSION

155

3-020-540-01 SPRING (LD-2), TENSION

156

3-020-542-01 GEAR (LOADING FT)

157

3-341-753-11 WASHER, POLYETHYLENE

158

3-020-533-01 HOUSING

* 159

3-020-532-01 ARM (SUCTION)

160

3-020-534-01 HANGER

A

A