Sharp XL-3000V IC701 RH-iX0038SJZZ System Microcomputer/FL driver IX0038SJ, SEG25-SEG0

Page 51

XL-3000V

IC701 RH-iX0038SJZZ: System Microcomputer/FL driver (IX0038SJ) (2/2)

Pin No.	Terminal Name	Input/Output	Function

54	SEG46 P63/A3	Output	LED dimmer signal.

55	SEG45 P64/A4	Output	Fan control signal.

56	SEG44 P65/A5	Output	Electric CD lid OPEN.

57	SEG43 P66/A6	Output	Electric CD lid CLOSE.

58*	SEG42 P67/A7	Input

59*	SEG41 P70/A8	Output

60	SEG40 P71/A9	Output	ON/OFF output terminal of CD servo control IC. "H" = Servo ON "L" = Servo stand-by

61-64	SEG39 P72/A10-	Input/Output	Data input/output terminal control.
	SEG36 P75/A13

65*	SEG35 P76/A14	Output	Data synchronous clock output.

66*	SEG34 P77/A15	Output	Chip enable terminal. "L" = BUS terminal active

67	SEG33 P87/D7	Output	LCD segment output.

68	SEG32 P86/D6	Output	LCD segment output.

69-74	SEG31 P85/D5-	Output	LCD segment output.
	SEG26 P80/D0

75-100	SEG25-SEG0	Output	LCD segment output.

IC701 RH-iX0038SJZZ: System Microcomputer/FL driver (IX0038SJ)

SEG0

SEG1

SEG2

SEG3

SEG4

SEG5

SEG6

SEG7

SEG8

SEG9

SEG10

SEG11

SEG12

SEG13

SEG14

SEG15

SEG16

SEG17

SEG18

SEG19

SEG20

SEG21

SEG22

SEG23

SEG24

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

100

99

98

97

96

95

94

93

92

91

90

89

88

87

86

85

84

83

82

81

80

79

78

77

76

COM3

O

1

75

S

SEG25

COM2

O

2

74

S

SEG26

COM1

O

3

73

S

SEG27

COM0

O

4

72

S

SEG28

VLC3

5

71

S

SEG29

VLC2

6

70

S

SEG30

VLC1

7

69

S

SEG31

VDD

8

68

S

SEG32

OSC2

O

9

67

S

SEG33

OSC1

I

10

66

O

NC

VSS

11

65

O

NC

XI

I

12

64

I/O

NC

XO

O

13

63

I/O

NC

MMOD

I

14

62

I/O

NC

VREF–

15

61

I/O

NC

CLID_SW

I

16

60

O

CD_STB

KEY1

I

17

59

O

CD_RES

KEY2

I

18

58

I

PU-IN

MODEL

I

19

57

O

CLID_DW

CLID_PRO

I

20

56

O

CLID_UP

MOT_DEC

I

21

55

O

FAN

NC

I

22

54

O

DIMMER

NC

I

23

53

O

LIGHT

VREF+

24

52

AMP_DEC

DI

O

25

51

O

B-LIGHT

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

I

O

O

O

O

O

I

I

I

O

O

I

I

I

I

I

I

O

O

O

O

O

O

O

I

DO

CL

VD DO

VD DI

ACK

BUSY

RESET

NC

CE

CLID OUT

NC

POWER

SYS STOP

REMOCON

STB

NC

NC

SURR

P-STB

P-MUTE

CD+B

P-CONT

NC

STEREO

SD

Figure 51 BLOCK DIAGRAM OF IC

– 51 –

Image 51

Contents Model XL-3000V ContentsVoltage Selection AC Power Cord and Plug AdaptorSpecifications Rear panel Names of PartsFront panel DisplayRemote control Setting the Clock System Connections Setting the AC voltage selector Connecting the AC power lead Listening to a CD LED PWB DisassemblyPWB CD Mechanism Section See Fig Removing and Reinstalling the Main PartsHow to remove the CD lid See Fig Perform steps 1,2 and 7 of the disassembly method to removeFM Mute Level AdjustmentSetting the Test Mode FM DetectionVideo PWB-D IC15VBEX Test Video CDVideo OUT Disc Checking SettingChecking of vector scope waveform Checking the black-and-white levelTurning on the test mode Tuner Test Mode Test Outline of tuner radio test modeDetails of tuner test mode Electronic volume Test Mode Test Timer test Mode TestLCD Test Mode Test Key input diagnosis Test Mode Test Volume Down ON-OFF FF/PRESET UP ON-OFFCD PLAY/PAUSE/TUNING UP ON-OFF Volume UP ON-OFFSPIN/SLED Driver Switch PWBCD Motor PWB FOCUS/TRACKINGPWB Power PWB-BRminal Main PWBLamp PWB Display PWBTuner PWB IC16V IC10VIC15V Video CD DecoderIC11V Buffer AMPVideo CD Encoder Tuner PWB-A2 CNS7 From Terminal PWB-A4From Video PWB-DVolume Video SignalCD Signal FM SignalSERVO/SIGNAL Control CD LID Motor Driver CD Motor PWB-CSchematic Diagram 5/10 CNP307 AM Signal FM SignalTuner PWB-A2 Main PWB-A11/2Display PWB-A3 Lamp PWB-A7System Schematic Diagram 8/10 Video CD Decoder Video PWB-DIC10V ROM 256Kx16Buffer AMP Video SignalCD Signal XL-3000VTo 15 are waveform numbers shown PWB-A3 Spindle MERAssis From DisplayAntenna OhmsTo Main PWB-A1 To Main To VideoPink IC16V Video PWB-D TOP ViewVideo PWB-D Bottom View IC14VWaveforms of CD Circuit Troubleshooting When the CD does not functionParts Code UDSKA0004AFZZ Operating Failure HF ErrorFailure Sled MotorFocus failure Laser failureFocus servo sawtooth wave failure Spindle motor clv servo failureDMO RFI HF errorNo sound TEI TeziTrack search failure Sled motor operation failureSled servo failure IC401 VHiLC75342M-1 Function/Volume Equalizer LC75342M Function Table of ICPin No Port Name Function Test VSS Pin No Terminal Name Input/Output Function SEG25-SEG0 IC701 RH-iX0038SJZZ System Microcomputer/FL driver IX0038SJIC801 VHiTA2109F/-1Servo Pre Amp. TA2109F IC802 VHiTC9462F/-1 Servo/Signal Control TC9462F 1/3 Uhso HSOPin No Port Name Input/Output Function IC802 VHiTC9462F/-1 Servo/Signal Control TC9462F 2/3 IC802 VHiTC9462F/-1 Servo/Signal Control TC9462F IC802 VHiTC9462F/-1 Servo/Signal Control TC9462F 3/3CH1-IN-B CH1-OUT-ACH1-OUT-B CH1-IN-AIC14V VHiES3883F/-1 Video CD Encoder ES3883F 1/2 IC14V VHiES3883F/-1 Video CD Encoder ES3883F 2/2 IC16V RH-iX0025SJZZ D-RAM 256Kx16 IX0025SJ ICV14 VHiES3883F/-1 Video CD Encoder ES3883FIC15V VHiES3880F/-1 Video CD Decoder ES3880F Aclk AOUT/SELPLL0 Atclk ES3880FMemory LCD701 RV-LX0012SJZZ LCD DisplayFor U.S.A. only IC15V IC10V RH-IX0041SJZZIC11V VHINJM4565M-1 IC14VRC-GZW228AF1V VCKYPA1HB102KVCKYPA1HF223Z RC-GZA227AF1CVCKYCY1EB563K RC-EZD107AF1AVCKYCY1EB104K RC-GZA227AF1AR621VRS-CY1JB223J R358VRS-CY1JB822J R359VRS-CY1JB182J R360VRS-CY1JB472JR393VRS-CY1JB102J R395VRD-ST2CD473J R607VRS-CY1JB682JQCNCW007RSJZZ QCNCM998DAFZZQCNCM037ESJZZ CNP801V QCNCW010MSJZZHSY042SPK07 LX-WZ9006SJZZCPNLS1006SJ01 TSPC-0221SJZZ302 PWB-A8 PWB-A6PWB-A5 PWB-A7 PWB-A3Copyright 2001 by Sharp Corporation