DOWNLOAD Sony HCD-MD1DX / HCD-MD1EX Service Manual ↓ Size: 6.35 MB | Pages: 92 in PDF or view online for FREE

– 95 –

Pin No.

Pin Name

I/O

Function

87

CE

O

PLL serial chip enable signal output to the FM/AM tuner unit

88

ST-MUTE

O

Tuner muting on/off control signal output to the FM/AM tuner unit    “L”: muting on

89

FM/AM SELECT

O

FM/AM selection signal output terminal    Not used (open)

90

SIRCS

I

Sircs signal input from the remote control receiver (IC902)

91

—

O

Not used (open)

92

—

I

Not used (fixed at “L”)

93

FAN SPEED

O

Fan motor speed control signal output terminal    Not used (open)

94

FAN STOP

O

Fan motor on/off control signal output terminal    Not used (open)

95

—

O

Not used (open)

96

MD1

I

Setting terminal for the CPU operational mode (fixed at “H” in this set)

97 to 99

—

I

Not used (fixed at “L”)

100

BACKUP

I

System reset signal input from the reset signal generator (IC708)    “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”

– 96 –

Les composants identifiés par une
marque 

! sont critiquens pour la

sécurité.
Ne les remplacer que par une pièce
portant le numéro spécifié.

The components identified by
mark 

! or dotted line with mark

! 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 is 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

CND : Canadian
HK : Hong Kong
SP

: Singapore

Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

1

4-212-516-01 COVER (BOTTOM) (AEP, UK)

1

4-212-516-11 COVER (BOTTOM) (SP, HK)

1

4-212-516-31 COVER (BOTTOM) (US, CND)

2

3-363-099-01 SCREW (CASE 3 TP2)

3

4-212-514-01 PANEL (L), SIDE

4

4-212-517-01 COVER (REAR)

5

4-212-515-01 PANEL (R), SIDE

6

4-212-957-01 SCREW, SP FITTING ORNAMENTAL

7

3-704-515-11 SCREW (BV/RING)

FRONT PANEL 
SECTION

CHASSIS 
SECTION

#4

#4

not supplied

#1

not supplied

CD SECTION

#1

#1

– 97 –

Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

51

4-212-503-01 PLATE (BUTTON), ORNAMENTAL

52

4-212-531-01 SCREW

53

4-212-103-01 PLATE (GLASS), ORNAMENTAL

54

4-212-502-01 PLATE (INDICATION WINDOW)

55

4-212-532-01 BUTTON (POWER) (+, –, 

§)

56

4-212-507-01 BUTTON (EJECT) (

§)

* 57

A-4417-231-A PANEL BOARD, COMPLETE

* 58

1-671-424-11 HP BOARD

59

4-212-533-01 BUTTON (VOL)

60

X-4950-365-1 PANEL ASSY, FRONT

61

4-212-528-01 WINDOW, INDICATION

62

4-951-620-41 SCREW (2.6), +BVTP

– 98 –

Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

* 101

1-671-426-11 EJECT BOARD

102

4-212-497-01 TABLE, DISC

103

4-951-620-41 SCREW (2.6), +BVTP

* 104

1-671-428-11 MOTOR BOARD

105

X-4950-366-1 BRACKET (GEAR) ASSY

106

4-212-529-01 BELT

107

4-212-492-01 GEAR (A)

108

3-325-697-01 WASHER

109

X-4950-379-1 GEAR ASSY, WORM

110

4-212-493-01 GEAR (B)

111

4-212-494-01 GEAR (C)

112

4-212-708-01 GEAR (D)

113

4-212-525-01 WINDOW (CD)

114

4-212-504-01 PLATE (LID), ORNAMENTAL

115

4-212-495-01 ARM, CHUCKING

116

4-212-500-01 PLATE (BU), ORNAMENTAL

117

4-985-672-01 SCREW (+PTPWHM2.6), FLOATING

118

4-959-996-01 SPRING (932), COMPRESSION

119

4-212-499-01 HOLDER (BU)

120

4-993-142-11 PULLEY (L), PRESS

* 121

1-671-427-11 SENSOR BOARD

122

4-212-709-01 BRACKET (WORM)

M103

A-4411-278-A MOTOR ASSY (CD LID OPEN/CLOSE)

not supplied

not supplied

not supplied

not supplied

M103

#3

#10

not supplied

#2

#2

BU-22BD19

not supplied