Sony MDS-JE530 service manual 64

Page 52

Pin No.

Pin Name

I/O

 

Description

 

 

 

 

78

MNT0 (FOK)

I

Focus OK signal input from the CXD2656R (IC121)

“H” is input when focus is on (“L”: NG)

 

 

 

 

 

 

 

79

SCL

O

Clock signal output to the EEPROM (IC171)

 

 

 

 

 

 

 

Recording data output enable signal output to the CXD2656R (IC121) and overwrite head

80

SCTX

O

driver (IC181) Writing data transmission timing output (Also serves as the magnetic head on/off

 

 

 

output)

 

81

CLOCK SET0

I

Destination setting terminal (US, Canadian and Singapore models: fixed at “L”, AEP, UK and

North European models: fixed at “H”)

 

 

 

 

 

 

 

82

CLOCK SET1

I

Destination setting terminal (US, Canadian and Singapore models: fixed at “H”, AEP, UK and

North European models: fixed at “L”)

 

 

 

 

 

 

 

 

83

LED0

O

LED drive signal output terminal

Not used (open)

 

 

 

 

 

84

LED1

O

LED drive signal output terminal

Not used (open)

 

 

 

 

 

85, 86

NC

O

Not used (open)

 

 

 

 

 

87

MODEL SEL0

I

Setting terminal for the model (fixed at “L” in this set)

88

MODEL SEL1

I

Setting terminal for the model (fixed at “L” in this set)

89, 90

NC

O

Not used (open)

 

 

 

 

 

91

TIMER

I

TIMER switch (S751) input terminal (A/D input)

“L”: PLAY, “H”: REC (OFF: center voltage)

 

 

 

 

 

 

 

92

SOURCE

I

INPUT switch (S741) input terminal (A/D input)

 

 

 

 

 

93

KEY3

I

Key input terminal (A/D input)

S731 and S732 (TIME, FADER keys input)

 

 

 

 

 

94

KEY2

I

Key input terminal (A/D input)

S721 to S726 (¤ EJECT, PLAY MODE, REPEAT, SCROLL,

LEVEL/DISPLAY/CHAR, I/u keys input)

 

 

 

 

 

 

 

 

95

KEY1

I

Key input terminal (A/D input)

 

S711 to S714 (MENU/NO, YES, PUSH ENTER, CLEAR keys input)

 

 

 

 

 

 

 

 

96

AVSS

Ground terminal

 

 

 

 

 

 

97

KEY0

I

Key input terminal (A/D input)

S701 to S706 (REC r , p, ), 0, P, á keys input)

 

 

 

 

98

VREF

I

Reference voltage (+3.3V) input terminal (for A/D converter)

 

 

 

 

99

+3.3V

Power supply terminal (+3.3V) (for analog system )

100

MONO/ST

I

REC MODE switch (S746) input terminal “L”: MONO, “H”: STEREO

– 64 –

Image 52
Contents SPECIFICATIONS SERVICE MANUALSupplied accessories MDS-JE530SELF-DIAGNOSISFUNCTION – 2 –Items of Error History Mode Items and Contents Table of Error Codes– 3 – Selecting the Test ModeTABLE OF CONTENTS 6.DIAGRAMSDISASSEMBLY ELECTRICAL ADJUSTMENTSFlexible Circuit Board Repairing Notes on chip component replacement– 5 – ADVARSEL– 6 – JIG FOR CHECKING BD BOARD WAVEFORMRecord Precedure – 7 –Display Precedure CHECKS PRIOR TO PARTS REPLACEMENT AND ADJUSTMENTS – 8 –– 9 – RETRY CAUSE DISPLAY MODEPrecedure Fig. 1 Reading the Test Mode DisplayHexadecimal nBinary Conversion Table – 10 –Reading the Display SECTION GENERAL – 11 –LOCATION OF CONTROLS This section is extracted from instruction manualPage SECTION DISASSEMBLY – 13 –CASE FRONT PANEL SECTIONMAIN BOARD – 14 –MECHANISM DECK SECTTION MDM-5D SLIDER CAM – 15 –BASE UNIT MBU-5D,BD BOARD – 16 – SW BOARD, LOADING MOTOR M1031. PRECAUTIONS FOR USE OF TEST MODE 2. SETTING THE TEST MODESECTION TEST MODE – 17 –– 18 – 5. SELECTING THE TEST MODE5-1.Operating the Continuous Playback Mode – 19 –5-3. Non-VolatileMemory Mode EEP MODE 6. FUNCTIONS OF OTHER BUTTONS – 20 –7. TEST MODE DISPLAYS – 21 – MEANINGS OF OTHER DISPLAYS1.PARTS REPLACEMENT AND ADJUSTMENT SECTION ELECTRICAL ADJUSTMENTS– 22 – 2. PRECAUTIONS FOR CHECKING LASER DIODE EMISSION 4. PRECAUTIONS FOR ADJUSTMENTSLaser power meter – 23 –Checking Procedure 6-2.Laser Power CheckSpecification – 24 –6-5.C PLAY Checking MO Error Rate Check CD Error Rate Check– 25 – 6-4.Focus Bias Check7. INITIAL SETTING OF ADJUSTMENT VALUE 9. TEMPERATURE COMPENSATION OFFSET ADJUSTMENT10. LASER POWER ADJUSTMENT Setting Procedure11. TRAVERSE ADJUSTMENT – 27 –Specification Adjusting Procedure– 28 – 12.FOCUS BIAS ADJUSTMENTAdjusting Procedure 13.ERROR RATE CHECK 15.AUTO GAIN CONTROL OUTPUT LEVEL ADJUSTMENT13-1.CD Error Rate Check 13-2.MO Error Rate CheckAdjustment Location – 30 –– BD BOARDSide A – – BD BOARDSide B –MDS-JE530 SECTION DIAGRAMS 6-1.BLOCK DIAGRAM – MD SERVO Section –– 31 – – 32 –6-2.BLOCK DIAGRAM – MAIN Section – MDS-JE530– 33 – – 34 –Note on Printed Wiring Board – 35 –Note on Schematic Diagram – 36 – • Circuit Boards Location6-4.PRINTED WIRING BOARD – BD Board – – 38 –•See page 36 for Circuit Boards Location •Semiconductor Location– 40 – – 39 –MDS-JE530 6-6.SCHEMATIC DIAGRAM – BD Board 2/2 – See• – 41 –– 42 – MDS-JE5306-7.SCHEMATIC DIAGRAM – SW Board – 6-8.PRINTED WIRING BOARD – SW Board –– 43 – – 44 –6-9.PRINTED WIRING BOARD – MAIN Board – See• – 45 –– 46 – page 36 for Circuit Boards Location– 47 – – 48 –MDS-JE530 Page Page 41 Page– 50 – – 49 –MDS-JE530 – 51 – – 52 –MDS-JE530 • Semiconductor Location– 53 – – 54 –MDS-JE530 Page 47 Page•IC Block Diagrams – BD Board – – 55 –– 56 – IC101– 57 – IC310M5293L IC431– 58 – 6-14.IC PIN FUNCTION DESCRIPTION– 59 – •BD BOARD IC121 CXD2656R– 60 – – 61 – – 62 – •MAIN BOARD IC501 M30624MG-207FPSYSTEM CONTROLLER– 63 – – 64 – – 65 – SECTION EXPLODED VIEWS1CHASSIS SECTION 2FRONT PANEL SECTION 61 64 61 63 61 66 61 6151 53 59 54 52– 67 – 3MECHANISM SECTION MDM-5D 213 207202 201 223 207– 68 – 4BASE UNIT SECTION MBU-5D 252263 270 254 253SECTION ELECTRICAL PARTS LIST – 69 –DISPLAY – 70 –– 71 – KEY SWDISPLAY – 72 – MAINKEY SW – 73 – MAIN– 74 – MAIN– 75 – POWER SWMAIN MDS-JE530 – 76 –Sony Corporation 9-928-824-11
Related manuals
Manual 160 pages 14.46 Kb