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29

Pin No.

Pin Name

I/O

Description

37

KEY1

I

Key input terminal (A/D input) (S921, 922, 924, 926 (TC-KE240)    x, PAUSE X, m AMS 
M, REC MUTING W (TC-KE240) keys input,  (S921 to S923, S925 to S927)    x, PAUSE X, 
AMS M H, m AMS h, REC MUTING W (TC-RE340) keys input

38

RESET

I

System reset signal input from the reset signal generator (IC802)    “L”: reset                                   
“L” is input for several 100 msec after power on, then it changes to “H”

39

EXTAL

I

Main system clock input terminal (10 MHz)

40

XTAL

O

Main system clock output terminal (10 MHz)

41

VSS

—

Ground terminal

42

TX

O

Sub system clock output terminal (32.768 kHz)    Not used (pull down)

43

TEX

I

Sub system clock input terminal (32.768 kHz)    Not used (fixed at “L”)

44

VOL IN

I

REC LEVEL volume (RV901) input terminal (A/D input)

45

DOLBY SW

I

DOLBY NR switch (S917) input terminal (A/D input)

46

AVREF

—

Reference voltage (+5V) input terminal (for A/D converter)

47

AVSS

—

Ground terminal (for A/D converter)

48

ARL LED

O

LED drive signal output of the AUTO REC LEVEL indicator (D901)    “L”: LED on

49

CD SYNC LED

O

LED drive signal output of the SYNCHRO indicator (D902)    “L”: LED on

50

CAP M2

O

51

CAP M4

O

52

CAP M3

O

53

CAP M1

O

54 to 57

BIAS CAL0 to 

BIAS CAL3

O

Calibration control signal output terminal

58 to 68

—

—

Not used (open)

69

OSC ON/OFF

O

Calibration OSC on/off control signal output terminal

70

OSC H/L

O

Calibration tone frequency high/low control signal output terminal    “L”: frequency low

71

LINE MUTE

O

Line muting on/off control signal output terminal    “L”: muting on

72 to 87

—

—

Not used (open)

88

VF

—

Power supply terminal (for FDP)    Not used (fixed at “L”)

89

VDD

—

Power supply terminal (+5V)

90

NC

—

Not used (fixed at “L”)

91

VSS

—

Ground terminal

92

BIAS A

O

Recording bias on/off control signal output terminal    “L”: bias on    Not used (open)

93

BIAS

O

Recording bias on/off control signal output terminal    “L”: bias on

94

VERSION

I

Setting terminal for the model type

95

AMS IN

I

Auto music sensor signal input terminal    “L”: AMS detect

96

TRG B

O

Plunger (PM1001) drive signal output terminal

97

TRG A

O

Plunger drive signal output terminal    Not used (open)

98

—

—

99

PLAYSW A

I

Mechanism playback detect signal input terminal    “H”: playback    Not used (open)

100

70U A

I

CrO

2

 detect signal input terminal    “H”: CrO

2

    Not used (fixed at “L”)

Capstan motor (M1002) drive signal output terminal

30

The components identified by
mark 0 or dotted line with mark

0 are critical for safety.
Replace only with part number
specified.

• 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

• Abbreviation

AUS : Australian model
SP

: Singapore model

Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

* 1

3-935-634-01 CASE (410726) (BLACK)

1

3-935-634-11 CASE (410726) (RE340: SILVER)

1

3-935-634-21 CASE (410726) (KE240: SILVER)

2

3-363-099-01 SCREW (CASE 3 TP2) (BLACK)

2

4-210-291-11 SCREW (CASE 3 TP2) (SILVER)

3

A-2007-842-A MAIN BOARD, COMPLETE

(RE340: AEP (BLACK), AUS)

3

A-2007-843-A MAIN BOARD, COMPLETE (RE340: SP)

3

A-2007-844-A MAIN BOARD, COMPLETE (KE240)

3

A-2007-847-A MAIN BOARD, COMPLETE

(RE340: AEP (SILVER))

* 4

1-535-688-11 TERMINAL

0 5

1-751-535-11 CORD, POWER (UK)

0 5

1-777-107-11 CORD, POWER (AEP, SP)

0 5

1-777-218-11 CORD, POWER (AUS)

6

4-966-267-12 BUSHING (FBS001), CORD

7

3-042-490-01 PANEL, BACK (RE340: AEP)

7

3-042-490-11 PANEL, BACK (RE340: AUS)

7

3-042-490-21 PANEL, BACK (RE340: SP)

7

3-042-502-01 PANEL, BACK (KE240: AEP)

7

3-042-502-11 PANEL, BACK (KE240: UK)

* 8

3-346-265-31 HOLDER, PC BOARD

9

4-977-591-11 FOOT (F50150S) (BLACK)

9

4-977-591-71 FOOT (F50150S) (SILVER)

* 10

4-978-398-21 CUSHION

0 S701

1-570-046-21 SWITCH, VOLTAGE CHANGE

(VOLTAGE SELECTOR) (RE340: SP)

0 T701

1-426-651-21 TRANSFORMER, POWER (AEP, UK, AUS)

0 T701

1-426-652-21 TRANSFORMER, POWER (SP)

(including zA-zE)

zA

31

31

Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

51

X-3378-305-2 LID (CASSETTE) ASSY (RE340: BLACK)

51

X-3378-307-2 LID (CASSETTE) ASSY (KE240: BLACK)

51

X-4952-829-2 LID (CASSETTE) ASSY (RE340: SILVER)

51

X-4953-655-1 LID (CASSETTE) ASSY (KE240: SILVER)

52

3-042-497-01 WINDOW (METER)

53

4-996-698-41 EMBLEM, SONY

54

3-931-429-21 BUTTON (POWER) (BLACK)

54

4-227-979-01 BUTTON (POWER) (RE340: SILVER)

54

4-227-979-11 BUTTON (POWER) (KE240: SILVER)

55

3-042-493-01 BUTTON (MEMORY) (BLACK)

55

3-042-493-11 BUTTON (MEMORY) (RE340: SILVER)

55

3-042-493-21 BUTTON (MEMORY) (KE240: SILVER)

56

3-042-494-01 BUTTON (EJECT) (BLACK)

56

3-042-494-11 BUTTON (EJECT) (RE340: SILVER)

56

3-042-494-21 BUTTON (EJECT) (KE240: SILVER)

57

3-042-501-01 SPRING, TENSION

58

3-042-492-01 BUTTON (FWD) (KE240: BLACK)

58

3-042-492-11 BUTTON (FWD) (KE240: SILVER)

58

3-042-500-01 BUTTON (REV) (RE340: BLACK)

58

3-042-500-11 BUTTON (REV) (RE340: SILVER)

59

3-042-500-21 BUTTON (REV) (RE340: BLACK)

59

3-042-500-31 BUTTON (REV) (RE340: SILVER)

60

1-769-948-11 WIRE (FLAT TYPE) (11 CORE)

61

3-019-456-01 SCREW, STEP

62

3-019-452-01 LEVER (LOCK L)

63

3-019-454-01 SPRING (L), LOADING

64

1-769-976-11 WIRE (FLAT TYPE) (13 CORE)

65

3-022-410-01 DAMPER

66

3-019-450-01 PLATE (L), FULCRUM

67

X-3375-107-1 HOLDER (L) ASSY, CASSETTE (BLACK)

67

X-4952-717-1 HOLDER (L) ASSY, CASSETTE (SILVER)

68

X-3378-304-2 PANEL ASSY, FRONT (RE340: BLACK)

68

X-3378-306-2 PANEL ASSY, FRONT (KE240: BLACK)

68

X-4952-828-2 PANEL ASSY, FRONT (RE340: SILVER)

68

X-4953-656-1 PANEL ASSY, FRONT (KE240: SILVER)

* 69

4-978-398-21 CUSHION

70

4-977-593-01 RING (DIA. 50), ORNAMENTAL

71

3-042-495-01 KNOB (REC) (BLACK)

71

3-042-495-11 KNOB (REC) (RE340: SILVER)

71

3-042-495-21 KNOB (REC) (KE240: SILVER)

72

3-354-981-01 SPRING (SUS), RING

73

3-042-496-01 KNOB (BALANCE) (BLACK)

73

3-042-496-11 KNOB (BALANCE) (RE340: SILVER)

73

3-042-496-21 KNOB (BALANCE) (KE240: SILVER)

74

4-951-620-01 SCREW (2.6X8), +BVTP

75

3-019-451-01 PLATE (R), FULCRUM

zB

zD

zE

zC

32

32

Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

101

3-016-574-11 SPRING (HEAD), TENSION

104

3-016-576-01 SPRING, TORSION

105

3-016-572-01 LEVER (EJECT PREVENTION L)

106

3-016-565-01 BASE (PINCH LEVER REV)

107

3-016-567-02 SPRING (CASSETTE), LEAF

110

X-3374-155-4 PINCH LEVER (FWD) ASSY

111

3-016-564-01 BASE (PINCH LEVER FWD)

112

3-019-208-01 WASHER, STOPPER

114

A-2004-699-A MECHANICAL BLOCK ASSY (AMS)

116

3-016-575-11 SPRING, TORSION

118

3-024-405-01 BELT (FR2)

119

X-3376-932-2 FLYWHEEL (FWD) ASSY

120

3-016-570-01 BELT (CAPSTAN)

* 121

1-668-635-11 HEAD RELAY (REC/PB) BOARD

122

3-911-116-42 RIVET, PUSH

* 123

1-668-628-11 LEAF SW (REC/PB) BOARD

124

3-030-823-01 SCREW (+BVTT) (2X3.5)

HRPE1

A-2004-774-A BASE ASSY, HEAD

(RECORD/PLAYBACK/ERASE)

M1002

A-2004-644-A MOTOR ASSY, CAPSTAN

Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

151

3-016-574-11 SPRING (HEAD), TENSION

152

X-3374-156-4 PINCH LEVER (REV) ASSY

154

3-032-809-02 SPRING (L), TORSION

155

3-016-572-01 LEVER (EJECT PREVENTION L)

156

3-016-565-01 BASE (PINCH LEVER REV)

157

3-016-567-02 SPRING (CASSETTE), LEAF

160

X-3374-155-4 PINCH LEVER (FWD) ASSY

161

3-016-564-01 BASE (PINCH LEVER FWD)

162

3-019-208-01 WASHER, STOPPER

* 163

X-3374-828-3 CHASSIS ASSY, MECHANICAL

164

A-2004-699-A MECHANICAL BLOCK ASSY (AMS)

165

3-016-566-01 SLIDER, REVERSE

166

3-016-575-11 SPRING, TORSION

167

X-3376-933-1 FLYWHEEL (REV) ASSY

168

3-024-405-01 BELT (FR2)

169

X-3376-932-2 FLYWHEEL (FWD) ASSY

170

3-016-570-01 BELT (CAPSTAN)

* 171

1-668-635-11 HEAD RELAY (REC/PB) BOARD

172

3-911-116-42 RIVET, PUSH

* 173

1-668-628-11 LEAF SW (REC/PB) BOARD

174

3-030-823-01 SCREW (+BVTT) (2X3.5)

HRPE1

A-2004-646-D DECK ASSY, HEAD

(RECORD/PLAYBACK/ERASE)

M1002

A-2004-644-A MOTOR ASSY, CAPSTAN