DOWNLOAD Sony HCD-DX80 Service Manual ↓ Size: 8.48 MB | Pages: 72 in PDF or view online for FREE

50

•

Pin No.

Pin Name

I/O

Description

1 to 5

G5 to G1

O

FL grid drive signal output

6 to 10

P1 to P5

O

FL segment drive signal output

11

VSS IO

—

Ground terminal (VSS for I/O)

12 to 22

P6 to P16

O

FL segment drive signal output

23

XDD-FIP

—

Power supply terminal (+3.3V) (VDD for FL Tube)

24 to 41

P17 to P34

O

FL segment drive signal output

42

VSS IO

—

Ground terminal (VSS for I/O)

43 to 47

P35 to P39

O

FL segment drive signal output

48

VKK

—

–32V driving power for FL

49

MD0

I

Micom operating mode terminal (fixed at “H”)

50

MD1/VDD-VFT

I

Micom operating mode terminal (fixed at “H”)

51

MD2

—

Micom operating mode terminal (fixed at “L”)

52

REC/PAUSE LED

O

REC PAUSE/START LED on/off control signal output terminal     “H”: LED on, “L”: LED off 

53

ENTER LED

O

ENTER LED on/off control signal output terminal     “H”: LED on, “L”: LED off 

54

TAPE A/B LED

O

TAPE A/B LED on/off control signal output terminal     “H”: LED on, “L”: LED off

55

TUNER LED

O

TUNER/BAND LED on/off control signal output terminal     “H”: LED on, “L”: LED off

56

MD/VIDEO LED

O

MD (VIDEO) LED on/off control signal output terminal     “H”: LED on, “L”: LED off

57

CD/VCD LED

O

CD LED on/off control signal output terminal     “H”: LED on, “L”: LED off

58

GAME IN LED

O

GAME LED on/off control signal output terminal     “H”: LED on, “L”: LED off

59

DISC 1 LED

O

DISC 1 LED on/off control signal output terminal     “H”: LED on, “L”: LED off

60

IIC DATA

I/O

Data input/output terminal for the IIC bus

61

IIC CLOCK

I/O

Shift clock signal input/output terminal for the IIC bus

62

AVCC

—

Power supply terminal (+3.3V) (for A/D)

63

AVSS

—

Ground terminal (for A/D)

64

KEY0

I

Key input terminal (A/D input)
S768 to S781 (PLAY MODE, REPEAT, EDIT, MUSIC EQ, MOVIE EQ, v, ENTER, V,
P FILE, GROOVE, SURROUND, g G, X, M keys input)

65

KEY1

I

Key input terminal (A/D input)    S752 to S758, S760 to S765
(DISPLAY, B, b, SPECTRUM, EFECT on/off, GAME EQ, KARAOKE PON, m–, ., x, 
CD SYNC HI-DUB, REC PAUSE/START, M+ keys input)

66

KEY2

I

KEY input terminal (A/D input)    S791 to S796
(Z OPEN/CLOSE (CD), DISC SKIP/EX-CHANGE, DISC3, DISC2, DISC1, I/1 keys input)

67 to 70

BPF4 to 1

I

Band-pass filter input from the BA3830F (IC602)

71

SUPER LOW 

FREQUENCY

(BPF0)

I

Band-pass filter input from the BA3830F (IC602)

72

BPF5

I

Band-pass filter input from the BA3830F (IC602)

73

ALL BAND

I

All band (L+R) Band-pass filter input from the BA3830F (IC602)

74

DISC 2 LED

O

DISC 2 LED on/off control signal output terminal    “H”: LED on, “L”: LED off 

75

DISC 3 LED

O

DISC 3 LED on/off control signal output terminal    “H”: LED on, “L”: LED off 

76

VIDEO SWITCH

O

VIDEO/GAME selection signal output terminal    Not used (open)    “H”: VIDEO

77

RESET

I

Reset signal input from the system control (IC501)

78

HEADPHONE

I

Headphone detect signal input terminal    “H”: Headphone Yes, “L”: Headphone No 

79

VOL 1B

I

Jog dial pulse input from the rotary encoder (IC751 VOLUME)    B phase input

80

VOL 1A

I

Jog dial pulse input from the rotary encoder (IC751 VOLUME)    A phase input

81

VSS-CPU

—

Ground terminal (+3.3V) (VSS for CPU)

51

Pin No.

Pin Name

I/O

Description

82

XOUT

O

System clock output terminal (4MHz)

83

XIN

I

System clock input terminal (4MHz)

84

VCC-CPU

—

Power supply terminal (+3.3V) (VCC for CPU)

85 to 91

NO USE

I

Not used (open)

92

SOFT TEST

O

Soft test terminal    Not used (open)

93 to 100

G13 to G6

O

FL grid drive signal output

52

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.

• Accessories and packing materials are given

in the last of the electrical parts list.

• 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

AR

: Argentina model

BR

: Brazilian model

E2

: 120 V AC Area in Emodel

E51 : Chiliean and Peruvian model
MX : Mexican model
SP

: Singapore model

1

4-225-252-01 CUSHION (FOOT)

2

3-363-099-41 SCREW (CASE 3 TP2)

3

4-225-038-21 SIDE PANEL (L) (EXCEPT BR)

3

4-225-038-41 SIDE PANEL (L) (BR)

4

4-231-563-21 LOADING PANEL

5

4-225-039-42 SIDE PANEL (R) (BR)

5

4-225-039-72 SIDE PANEL (R) (EXCEPT BR)

6

4-224-550-41 CASE (TOP) (EXCEPT BR)

6

4-224-550-61 CASE (TOP) (BR)

8

4-231-580-41 BACK PANEL (EXCEPT MX)

8

4-231-580-51 BACK PANEL (MX)

9

1-681-143-11 SENSOR BOARD

10

1-680-692-11 VIDEO SWITCH BOARD

11

4-233-148-01 GROUND PLATE

12

A-2007-964-A SUB TRANS BOARD, COMPLETE (MX)

12

A-4476-114-A SUB TRANS BOARD, COMPLETE

 (E2, E51, SP, AR)

12

A-4726-060-A SUB TRANS BOARD, COMPLETE (BR)

M961

1-763-072-11 FAN, D.C.

Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

53

Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

51

A-2004-868-A HOLDER (L) ASSY, TC (BR)

51

X-4953-360-1 CASSETTE HOLDER (L) ASSY (EXCEPT BR)

52

A-2004-886-A TC HOLDER (R) ASSY (BR)

52

X-4953-412-1 CASSETTE HOLDER (R) ASSY (EXCEPT BR)

53

4-231-571-01 KNOB (VOLUME)

54

A-4475-778-A PAD SWITCH BOARD, COMPLETE

(EXCEPT BR)

54

A-4476-896-A PAD SWITCH BOARD, COMPLETE (BR)

57

A-2004-885-A PANEL ASSY, FRONT (BR)

57

X-4953-362-1 FRONT PANEL ASSY (EXCEPT BR)

60

4-224-104-11 DAMPER

61

4-231-836-01 SPRING (HEART CAM-A)

62

4-231-841-01 SPRING (HEART CAM-B)

64

4-231-587-01 SPRING R

66

A-4476-112-A PANEL BOARD, COMPLETE (EXCEPT BR)

66

A-4726-068-A PANEL BOARD, COMPLETE (BR)

67

4-951-620-01 SCREW (2.6X8), +BVTP

68

4-231-805-01 KNOB (MIC)

69

4-231-586-01 SPRING L

70

4-225-252-01 CUSHION (FOOT)

71

1-680-263-11 CD-SW BOARD

72

4-225-531-01 BRACKET (RING)