IC, LC867132V-5P07

Pin No.

Pin Name

I/O

Description

 

 

 

 

1

O-RMC/CE

O

CD read/write control output and TU CE.

 

 

 

 

2

O-DATA

O

Data output to M62495FP.

 

 

 

 

3

O-CLK

O

Output CLK to tuner PLL.(Not connected)

 

 

 

 

4

Not Connected.

 

 

 

 

5

O-CLK SFT

O

Clock shift output of the microcomputer.

 

 

 

 

6

I-HOLD

I

Hold status detection.

 

 

 

 

7

RST

I

Microcomputer reset.

 

 

 

 

8

XT1 (IN)

I

Connected to 32.768KHZ crystal oscillator.

 

 

 

9

XT2 (OUT)

O

 

 

 

 

 

10

VSS1

GND.

 

 

 

 

11

CF1 (IN)

I

Connected to 6MHZ Ceramic Filter.

 

 

 

12

CF2 (OUT)

O

 

 

 

 

 

13

VDD1

Power supply for microcomputer (+5V).

 

 

 

 

14

I-ST IND

I

FM STEREO status input.

 

 

 

 

15

I-KEYO

I

KEY AD input.

 

 

 

 

16

I-CD SW

I

CD DOOR SW status detection input.

 

 

 

 

17

I-KEY1

I

KEY AD input.

 

 

 

 

18

I-MOTOR

I

DECK MECHA MOTOR status input.

 

 

 

 

19

I-REC

I

REC status input.

 

 

 

 

20

I-FM/AM

I

FM, AM status input. (Not connected)

 

 

 

 

21

I-TU DO

I

Data input from tuner PLL.(Not connected)

 

 

 

 

22

O-BASS LED

O

BASS LED ON/OFF control output.

 

 

 

 

23

O-QS LED

O

Q-Sound LED ON/OFF control output.

 

 

 

 

24

O-DUBB LED

O

LED control output used for high-speed dubbing.

 

 

 

 

25

O-INT

O

INT DIODE MATRIX detection output.(Not connected)

 

 

 

 

26

I-DRF

I

CD RF level detection input.

 

 

 

 

27

I-WRQ

I

CD sub-code Q standby input.

 

 

 

 

28

I-REMO

I

Remote control input.

 

 

 

 

29

S0/PA0

O

LCD segment output.

 

 

 

 

30

S1/PA1

O

LCD segment output.

 

 

 

 

31

S2/PA2

O

LCD segment output.

 

 

 

 

32

S3/PA3

O

LCD segment output.

 

 

 

 

33

S4/PA4

O

LCD segment output.

 

 

 

 

34

S5/PA5

O

LCD segment output.

 

 

 

 

35

S6/PA6

O

LCD segment output.

 

 

 

 

36

S7/PA7

O

LCD segment output.

 

 

 

37-40

S8~S11

O

 

 

 

 

 

41

VDD3

Power supply for microcomputer (+5V).

 

 

 

 

42

VSS3

GND.

 

 

 

 

43, 44

S12, S13

O

LCD segment output.

 

 

 

 

45-50

S14- S19

O

LCD segment output.

 

 

 

 

Pin No.

Pin Name

I/O

Description

 

 

 

 

51-54

S20- S23

Not connected.

 

 

 

 

55

O-CD LED

O

LED ON/OFF control output for CD functions.

 

 

 

 

56

O-TU LED

O

LED ON/OFF control output for TU functions.

 

 

 

 

57

O-TA LED

O

LED ON/OFF control output for TAPE functions. (Not Connected)

 

 

 

 

58

O-ROCK LED

O

LED ON/OFF control output for ROCK.

 

 

 

 

59

O-POP LED

O

LED ON/OFF control output for POP.

 

 

 

 

60

O-JAZZ LED

O

LED ON/OFF control output for JAZZ.

 

 

 

 

61

Not connected.

 

 

 

 

62

I-CD TEST

Not connected.

 

 

 

 

63

I-TU TEST

Not connected.

 

 

 

 

64-66

COM0-COM2

O

LCD common output.

 

 

 

 

67

Not connected.

 

 

 

 

68

VSS2

GND.

 

 

 

 

69

VDD2

Power supply for microcomputer (+5V).

 

 

 

 

70

O-CD ON

O

CD PWR control output.

 

 

 

 

71

O-TU ON

O

TU PWR control output.

 

 

 

 

72

O-P.CONT

O

Power supply control output.

 

 

 

 

 

___________________

 

 

73

O-H.DUBB

O

Dubbing speed control output.

 

 

 

 

74

O-MUTE

O

Main mute output.

 

 

 

 

75

O-MO/ST

O

FM mono/stereo output.

 

 

 

 

76

O-BEAT CONT

O

BEAT switch over output.

 

 

 

 

77

O-QSOUND

O

Q-Sound ON/OFF output.

 

 

 

 

78

O-COIN

O

CD command output.

 

 

 

 

79

I-SQOUT

I

CD sub-code Q input.

 

 

 

 

80

O-CQCK

O

CLK for CD commands/sub-codes.

 

 

 

 

33

34

Page 23
Image 23
Aiwa CSD-TD52, CSD-TD51, CSD-TD53 service manual Rst, VSS1 GND, Keyo, Cd Sw, KEY1, Rec, Bass LED, Qs Led, VSS3 GND, VSS2 GND

CSD-TD52, CSD-TD53, CSD-TD51 specifications

The Aiwa CSD-TD51, CSD-TD53, and CSD-TD52 are a triumvirate of compact stereo cassette players that evoke nostalgia while integrating modern technology for an enhanced audio experience. These models, crafted with precision by Aiwa, a brand renowned for its dedication to quality audio equipment, cater to both audiophiles and casual listeners alike.

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