Sony MZ-300 Clvwcon, SLED1RCON, SLED1FCON, SLED2RCON, SLED2FCON, Beep, Nvxcs, SIO2CLK, SIO3DI

Page 17

MZ-E300

Pin No.

Pin name

I/O

Description

 

 

 

 

46

CLV_W_CON

O

Spindle servo (W) drive signal output to SC111257FCR2 (IC551)

 

 

 

 

47

SLED_1R_CON

O

Sled motor control signal output to SC111257FCR2 (IC551)

 

 

 

 

48

SLED_1F_CON

O

Sled motor control signal output to SC111257FCR2 (IC551)

 

 

 

 

49

SLED_2R_CON

O

Sled motor control signal output to SC111257FCR2 (IC551)

 

 

 

 

50

SLED_2F_CON

O

Sled motor control signal output to SC111257FCR2 (IC551)

 

 

 

 

51

BEEP

O

Beep sound drive signal output to phones amplifier (IC301)

 

 

 

 

52

NV_XCS

O

Chip select signal output to EEPROM (IC802)

 

 

 

 

53

RMC_DTCK

I/O

TSB serial communication data input/output to/from remote commander with phones

 

 

 

 

54

SIO2_CLK

O

Serial clock signal output to LC89642-8B-E (IC601) and EEPROM (IC802)

 

 

 

 

55

SIO3_DI

I

Read data input from LC89642-8B-E (IC601) and EEPROM (IC802)

 

 

 

 

56

SIO3_DO

O

Write data output to LC89642-8B-E (IC601) and EEPROM (IC802)

 

 

 

 

57

DSP_VP

I

CLV servo lock decision signal input from LC89642-8B-E (IC601)

 

 

 

 

58

VL_VCON

O

PWM signal for VL voltage control signal to XPC18A32FCR2 (IC901) output

 

 

 

 

59

PWR_CLK

O

External sync. clock (176.4kHz) signal to XPC18A32FCR2 (IC901) output

 

 

 

 

60

SEG0

O

LCD segment output

 

 

 

 

61

VSS

Ground (Digital system)

 

 

 

 

62-72

SEG1-11

O

LCD segment output

 

 

 

 

73-76

COM0-3

O

LCD common output

 

 

 

 

77-79

VL1, 2, LVDD

I

LCD drive level power supply input

 

 

 

 

80

VSS

Ground (Digital system)

 

 

 

 

1717

Image 17
Contents 873-064-13 SpecificationsSection Servicing Note General Section DisassemblyLID ASSY, UPPER, Holder Assy Mechanism DeckOptical PICK-UP Assy Main BoardHow to set the Test Mode Section Test ModeSetting the Test Mode Operations when the Test Mode is set Manual ModeHow to release the Test Mode How to set the Manual modeTest Mode Overall Adjustment ModeNV Reset Display segment check mode Electrical offset adjustment methodOverall adjustment mode structure Ver 1.1 Overall CD and MO adjustment methodMZ-E300 Overall offset adjustment Overall CD and MO adjustment itemsExplanation of IC Terminals Section DiagramsIC601 LC89642-8B-E Pin No Pin name DescriptionXIN AvssLrco FseqVcvss PCKRmckey XresetSetkey OpenclsswSLED1RCON ClvwconSLED1FCON SLED2RCONMain Board Block DiagramsRefer to page 24 for Notes Printed Wiring Boards Main /2Location Semiconductor2121 IC B/D Schematic Diagram Main /32323 Digital MZ-E300 IC Block Diagrams IC551 SC111257FCR2 IC901 XPC18A32FCR2 Main Section Section Exploded ViewsM902 Mechanism Deck Section MT-MZE300-176Main Section Electrical Parts ListElect Chip Short Date Description of Revision Revision History