background image

49

CRTL 2

O

NC

50

RF-MUTE

O

RF Mute is signal output pin
(Active High)

51

A1

O

Test mode for CD

52

A2

O

Digital output pin for CD MECH

53

AD1

I

Key switch detection terminal for
A/D converter

54

AD2

I

Key switch detection terminal for
A/D converter

55

GND2

-

GND

56

VDD2

-

VDD

57

TR-A

I

Mechanical photo sensor input
terminal. Terminal to detect the disc.
Position in loading status, chucking
status and other machine status. With
disc, ‘H’ is input, without disc ‘L’ is
input.

58

E-VOL CE

O

E-VOL use

59

E-VOL DO

O

E-VOL use

60

E-VOL CLK

O

E-VOL use

61

AREA A

I

Area setting input.Ref. Table 1

62

AREA B

I

Area setting input.Ref. Table 1

63

CW

I

Use for rotary volume

64

CCW

I

Use for rotary volume

65

MUTE

O

Output mute.While it is ‘LO’,mute i
s ‘ON’

66

TEST

I

NC

67

HOLD

I

HOLD=ACC detect terminal

68

SBSY

I

Connected to CD MECH

69

B/U DET

I

B/U detecting terminal

70

AM-IF IN

I

AM IF INPUT

71

FM-IF IN

I

FM IF INPUT

72

GND3

-

GND

73

FM-OSC

I

FM VCO input terminal

74

AM-OSC

I

AM VCO input terminal

75

VPLL

O

NC

76

VDD3

-

VDD

77

DO1

O

PLL detector output 1

78

DO2

O

PLL detector output 2

79

TEST2

I

NC

80

TR-B

I

Mechanical photo sensor input
terminal. Terminal to detect the disc.
Position in loading status, chucking
status and other machine status. With
disc, ‘H’ is input, without disc ‘L’ is

input.

81

CHU SW

I

Mechanical photo sensor input
terminal. Terminal to detect the disc.
Position in loading status, chucking
status and other machine status. With
disc, ‘L’ is input, without disc ‘H’ is
input.

82

S-STOP

I

Mechanical photo sensor input
terminal. Terminal to detect the disc.
Position in loading status, chucking
status and other machine status. With
disc, ‘H’ is input, without disc ‘L’ is
input.

83

Z-MUTE

O

Zero Mute for CD MECH (Active High)

- 6 -

- 5 -

DB135

DB135

EXPLANATION OF IC

TC9324F-006

052-1932-00

Master Micro computer

1

COM1

O

COMMON signal 1 output for LCD

2

COM2

O

COMMON signal 2 output for LCD

3

COM3

O

COMMON signal 3 output for LCD

4

COM4

O

COMMON signal 4 output for LCD

5

S1

O

S1 output for LCD

6

S2

O

S2 output for LCD

7

S3

O

S3 output for LCD

8

S4

O

S4 output for LCD

9

S5

O

S5 output for LCD

10

S6

O

S6 output for LCD

11

S7

O

S7 output for LCD

12

S8

O

S8 output for LCD

13

S9

O

NC

14

S10

O

S10 output for LCD

15

S11

O

S11 output for LCD

16

S12

O

NC

17

S13

O

S13 output for LCD

18

S14

O

S14 output for LCD

19

S15

O

NC

20

S16

O

S16 output for LCD

21

S17

O

S17 output for LCD

22

S18

O

S18 output for LCD

23

S19

O

S19 output for LCD

24

S20

O

S20 output for LCD

25

S21

O

NC

26

S22

O

S22 output for LCD

27

S23

O

S23 output for LCD

28

S24

O

NC

29

S25

O

S25 output for LCD

30

S26

O

S26 output for LCD

31

S27

O

S27 output for LCD

32

S28

O

S28 output for LCD

33

S29

O

S29 output for LCD

34

S30

O

S30 output for LCD

35

CD-RESET

O

CD MECH connect to RESET

36

CD5V ON

O

CD5V ON signal output pin (Active
High)

37

LD-CONT

O

Laser Diode Control pin

38

LD-MUTE

O

Mechanical photo sensor input
terminal. Terminal to detect the disc.
Position in loading status, chucking
status and other machine status. With
disc, ‘H’ is input, without disc ‘L’ is
input.

39

VDD1

-

VDD

40

RESET

I

Reset Port

41

GND1

-

GND

42

AM-ON

O

While ‘HI’=AM and ‘LO’=FM
(Active High)

43

FM-ON

O

While ‘LO’=AM and ‘HI’=FM
(Active High)

44

ST/SD

I

While AM/FM SD in, SD is ‘LO’

(Active High)

45

STBY

O

Power Amplifier IC control terminal

46

VREF

-

VDD

47

ANT-CONT

O

Antenna Control output pin. ‘HI’ is
ON, ‘LO’ is OFF

48

CTRL1

O

Power Supply IC control terminal
(Active High)

Pin No Symbol

I/O Function

Pin No Symbol

I/O Function

Pin No Symbol

I/O Function

Pin No Symbol

I/O Function

US

          L

     L

K

          H

     L

J

          L

     H

AREA AREA A (Pin 61)  AREA B (Pin 62)

Table 1. Area Setting Table

84

BUCK

O

CD MECH data bus clock

85

CCE

O

CD MECH chip enable

86

BUS0

I/O CD MECH data bus

87

BUS1

I/O CD MECH data bus

88

BUS2

I/O CD MECH data bus

89

BUS3

I/O CD MECH data bus

90

B/U DET

I

B/U detecting terminal

91

CD-EJ

I

CD EJECT (Active Low)

92

VCPU

-

10uF to GND

93

GND4

-

GND

94

X-OUT2

-

NC

95

X-IN2

-

GND

96

VDD4

-

VDD

97

X-OUT1

-

X-TAL 4.5MHz

98

X-IN1

-

X-TAL 4.5MHz

99

GND5

-

GND

100

VEE

-

NC

Outward Form

100 pins, plastic QFP

Terminal Description

Summary of Contents for DB135

Page 1: ...ttery terminal after turning the ignition key off If wrong wiring connections are made with the battery connected a short circuit and or fire may occur If extensive damage is caused due to negligence of re pair the legal responsibility shall be with the repairing company 5 Cautions regarding chips Do not reuse removed chips even when no abnormality is observed in their appearance Always replace th...

Page 2: ...UBLESHOOTING ERROR DISPLAYS To protect the system this unit has been equipped with self diagnostic functions If a fault arises a warning is issued by various error displays Follow the corrective measures and remove the fault This error display indicates that a fault has arisen in the mechanism of the source unit for example the disc cannot be ejected Check the source unit This error display indica...

Page 3: ... for LCD 4 COM4 O COMMON signal 4 output for LCD 5 S1 O S1 output for LCD 6 S2 O S2 output for LCD 7 S3 O S3 output for LCD 8 S4 O S4 output for LCD 9 S5 O S5 output for LCD 10 S6 O S6 output for LCD 11 S7 O S7 output for LCD 12 S8 O S8 output for LCD 13 S9 O NC 14 S10 O S10 output for LCD 15 S11 O S11 output for LCD 16 S12 O NC 17 S13 O S13 output for LCD 18 S14 O S14 output for LCD 19 S15 O NC 2...

Page 4: ...WITHOUT COMPONENT 1 8 EXPLODED VIEW PART LIST Main Section 7 DB135 DB135 01 286 9995 00 SET PLATE 1 02 311 1848 00 LOWER CASE 1 03 310 1751 02 UPPER CASE 1 04 731 3004 80 TAPTIGHT M3 x 4 3 05 331 3366 00 MECHA BRACKET 3 06 714 2604 81 MACHINE SCREW M2 6 x 4 4 07 929 0220 82 CD MECHANISM 1 08 714 3006 81 MACHINE SCREW M3 x 4 2 09 731 3008 80 TAPTIGHT M3 x 8 4 10 731 3012 80 TAPTIGHT M3 x 12 3 11 77...

Page 5: ... 25 DRIVE PLATE ASSY 1 2 969 0060 30 PICK UP UNIT 1 3 039 1944 21 LED PWB WITHOUT COMPONENT 1 4 039 1945 20 CD PWB WITHOUT COMPONENT 1 5 SMA 182 100 MOTOR ASSY SPINDLE 1 6 SMA 183 100 MOTOR ASSY SLED 1 7 620 1022 25 CLAMPER LINK 1 8 803 4906 60 VINYL COAT WIRE ORG 1 9 816 2591 00 LEAD WIRE YEL 1 10 620 1025 22 ID LOCK PLATE 1 11 620 1026 21 SPRING PLATE 1 12 620 1027 26 LOWER CHASSIS 1 13 620 1028...

Page 6: ...50V 3 3uF C 210 168 1045 06 25V 0 1uF C 211 178 2255 09 16V 2 2uF C 212 184 4773 12 6 3V 470uF C 213 182 2273 12 6 3V 220uF C 214 166 2211 00 16V 220pF C 215 166 2211 00 16V 220pF C 216 166 2211 00 16V 220pF C 217 166 2211 00 16V 220pF C 218 166 2211 00 16V 220pF C 219 166 2211 00 16V 220pF C 220 166 2211 00 16V 220pF C 221 166 2211 00 16V 220pF C 222 168 1022 05 16V 1000pF C 223 168 1045 06 25V 0...

Page 7: ... 1uF C 115 046 4712 58 470pF C 116 046 4712 58 470pF C 117 043 0533 50 0 047uF C 118 043 0533 50 0 047uF C 119 045 2701 50 27pF C 120 045 1801 50 18pF C 121 163 1063 35 16V10uF C 122 178 1052 78 1uF C 123 046 1032 78 0 01uF C 124 163 1073 05 4V100uF C 125 168 1042 78 0 1uF C 126 168 1042 78 0 1uF C 129 178 1052 78 1uF C 201 163 3363 05 4V33uF C 202 168 1042 78 0 1uF C 203 178 1052 78 1uF C 204 163...

Page 8: ... 15 DB135 ...

Page 9: ...CIRCUIT DIAGRAM 1 2 Main PWB B1 Section 1 2 16 DB135 ...

Page 10: ...PRINTED WIRING BOARD Section B1 B2 B3 17 DB135 ...

Page 11: ...CIRCUIT DIAGRAM 2 2 Main PWB Section B2 B3 Section 2 2 DB135 18 B2 B3 ...

Page 12: ...CIRCUIT DIAGRAM DB135 19 CD PWB B4 B5 B6 B5 B6 B6 B5 B4 PRINTED WIRING BOARD CD Mechanism B4 B5 B6 Section ...

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