Sony MZ-E505 service manual VI2

Page 29

MZ-E505

6-6. SCHEMATIC DIAGRAM – MAIN Board (2/3) – • See page 25 for Waveform. See page 31 for IC Block Diagrams.

A1

(2/3)

(Page 28)

A2

A3

A4

A5

A6

A7

A8

A9

A10

A11

A12

C1

5C

6C

7C

-KR T

+KTR

C

C

C

 

 

M901

(SPINDLE)

U

W

U

FLEXIBLE

N

 

BOARD

CN551

 

8P

8

CC1

 

CLVN

V

CC2

 

CLVU

 

CC3

 

CLVV

 

CC4

 

CLVW

 

CC5

 

SLDW

 

CC6

 

SLDV

 

CC7

 

SLDU

N

CC8

VN OC

WN OC

DLS

DLS

 

R948

C922

 

22

 

150k

 

6.3V

 

 

R946

 

 

22k

 

 

C919

 

 

10

 

TP901

4V

 

(VC)

C901

MWP

MWP

47

CV

LV

6.3V

SLDN

TP902

W

M902

(SLED)

1

 

 

 

V

 

 

SLD CON U

 

 

 

 

 

 

SLD PWM

 

 

 

SLD MON U

 

RB554

 

SLD MON V

 

3.3k

 

 

X4

 

SLD MON W

 

 

 

CC5

 

DD1

XRST MTR DRV

CC6

 

DD2

 

CC7

 

DD3

 

CC8

 

 

CLV MON W

C563

0.033

CLV MON V

 

 

 

 

C564

0.033

CLV MON U

 

C565

0.033

 

CLV PWM

 

 

 

 

RB553

 

CLV CON U

 

10k

 

 

 

X4

 

 

CC4

 

DD4

 

CC3

 

DD5

 

CC2

 

DD6

 

CC1

C557

0.033

 

 

C558

0.033

 

 

C559

0.033

 

RECHARGEABLE

BATTERY

NH-14WM

1.2V 1350mAh

(BATTERY CASE)

 

TP951

 

 

DRY BATTERY

 

C952

 

SIZE"AA"

C996

C999

100

(IEC DESIGNATION)

100p

6.3V

0.1

1PC. 1.5V

TP952

 

 

 

 

 

C997

0.1

(CHASSIS)

C920

D901

VI2

I2W

2PGNDW

O2W

2VW VM

VO2

UV2PGND

UO2

VMU2

R2VM

RO2

PGND2

FO2

F2VM

UI2

 

 

 

 

 

 

 

 

 

 

 

 

 

PWM2

 

 

 

 

 

 

 

 

 

 

 

 

 

CPUO2

 

 

 

 

 

 

 

 

 

 

 

 

 

CPVO2

 

 

 

 

 

 

 

 

 

 

 

 

 

CPWO2

 

 

 

 

 

 

 

 

 

 

 

 

 

OE

 

 

 

 

 

 

 

 

 

 

 

 

 

F12

R12

COM2

CPUI2

CPVI2

CPWI2

TF1

TR1

CC8

DD3

DD2

DD1

0.1

(VCOUT)

MA2YD1500LS0

L901

68H

R909

R910

10k

10k

GND1

 

 

FOCUS/TRACKING COIL DRIVE,

 

 

 

VC

 

 

 

 

 

 

 

SPINDLE/SLED MOTOR DRIVE

 

 

 

 

 

 

 

 

 

VG

 

 

 

 

 

IC551

 

 

 

 

 

 

CPWO1

 

 

 

 

SC111258FCR2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CPV01

 

 

 

 

 

 

 

 

 

 

 

 

 

CPUO1

 

 

 

 

 

 

 

 

 

 

 

 

 

PWM1

 

 

 

 

 

PGNDUV1

 

 

 

 

 

 

 

UI1

 

1PGNDW

 

1VMVW

 

 

 

 

 

PGND1

 

 

VI1

I1W

O1W

VO1

1UO

U1VM

R1VM

RO1

FO1

F1VM

VN OC

WN OC

VLC

VLC

4

3

2

-SC F

+SC F

CC

CC

CC

 

 

NC

GND2

CPWI1

CPVI1

CPUI1

COM1

RI1

FI1

DD4

DD5

DD6

CC1

FR1

FF1

TP921

(GND)

 

 

C911

 

VIF

VA

VAFB

VDFB

VIFFB

GND

VC

VCO

VC

VCOUT

L1

CN

PGND1

PGND1

 

 

10

 

 

 

4V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R950

VC2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1k

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C917

0.1

XRST

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CRST

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R964

680k

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RSTREF

 

 

 

 

 

 

 

 

 

 

 

 

 

R912

R911

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1M

47k

 

 

VREF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C916

0.1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-2

VB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POWER CONTROL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-1

 

 

GND

 

 

 

 

 

IC901

 

 

 

 

 

 

 

Q901

 

 

CLKSEL

 

 

 

 

XPC18A32FCR2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UMZ8NTR

 

 

VAIFON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B+ SWITCH

FFCLR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FFCLR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SLEEP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SLEEP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R913

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1M

 

 

CLK

 

 

 

 

 

 

 

 

 

 

 

PGND2

PGND2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VLON

K1XW

K2XW

K3XW

K4XW

VSTB

VRMC

DGN

VL

VLO

VL

2L

 

R914

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100k

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VLON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C915

Q902,903

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R915

SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10k

 

 

 

 

 

 

VOLTAGE

100k

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DETECT

 

 

 

2SD2216J

 

 

 

 

 

 

R920

 

 

10

H

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC903

 

 

 

Q903

 

 

 

 

 

 

 

 

 

L904

 

 

XC61AN0802MR

R916

 

 

-R(TX).SO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VSS OUT

1M

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IN

 

 

 

C918

 

 

 

 

 

 

 

 

 

C904

 

 

 

 

Q902

0.1

 

 

 

 

 

 

 

 

 

22

 

 

2SD2216J

6.3V

-R(TX).SO

 

C914

 

0.1

 

L1

R903 C905

 

2.2k

0.1

 

 

 

RF1

 

 

 

INM1

 

 

(Page 30)

DTC1

C908

3300p

C921

0.1

 

DTC2

C2

 

 

RF2

C909

0.01

 

INM2

C910

 

 

 

1000p

PWM1

 

PWM2

 

VG

D903

1SS367-T3SONY

 

LG

 

PGND2

 

L2

C907

1

 

NC

 

 

L905

 

100H

 

L902

 

47H

D902

 

MA2YD1500LS0

TP904

 

(VL)

C903

 

47

 

6.3V

 

 

C3

 

C4

 

C5

 

C6

29 29

Image 29
Contents LCX-4E SpecificationsNEW Disassembly Table of ContentsDiagrams Exploded ViewsSilver Blue Pink Violet Flexible Circuit Board RepairingSection Servicing Notes General SectionDisassembly Flow Section DisassemblyCase Rear Battery Case LIDUpper Panel Section Main BoardHolder Assy Z Switch BoardMechanism Deck MT-MZE505-176 Bracket R Assy Bracket L AssyDC SSM18B Motor Spindle M901 Optical PICK-UP LCX-4EDC Motor Sled M902 General Section Test ModeSetting the Test Mode XXXS5E ManualOFEJ5E 011 063B5ESELF-DIAGNOSTIC Display Mode Overall Adjustment ModeSelf-diagnostic mode 001 1 AdrsClearing the error display code 000 P**R00 000 EIB Stat Adrs BEmp 000 ###### 000 P**P##000 0F 000 FF 0FVclPWM ResetRes NV CC Res OK?VbAD VlPWMAssy11 OfstNoClock MO OK041 Res ResClr071 Red35H LED Voltage Adjustments075 GRN35H LED voltage checkVred High luminosity RED voltage value item No LED voltage adjustment Block Diagram Section DiagramsIC501 ed RF OUT WaveformsComponent Side Printed Wiring Board Main board Component SideSemiconductor Location IC551 Printed Wiring Board Main board Conductor Side1RT 1FT 1FF 1RF VI2 RMC Dtck IC301 TA2131FL EL IC Block DiagramsIC551 SC111258FCR2 XPC18A32FCR2 IC PIN Function Description SI1 SCS1SO1 SCK1AVD2 AdioAVS2 AdrbDSPVDD2 SpdwDSPVSS1 SpcuEVA TEST1, TEST0SSB Data SSB CLKLCD STB XCS LCDOPR LED G H REC OPR LEDUpper PANEL, Case Rear Section Section Exploded ViewsOrnamental Belt Section 60 X-3381-109-1 Terminal Board ASSY, Battery314 313 312 311 Mechanism Deck Section MT-MZE505-176310 306 308 307 305 304 303 302 301Main Section Electrical Parts ListMain BOARD, Complete Capacitor Ceramic ChipDiode ConnectorDiode 1SS367-T3SONY Ferrite Bead FerriteSwitch Revision History

MZ-E505 specifications

The Sony MZ-E505 is a portable mini-disc player that emerged in the early 2000s as part of Sony's innovative move towards digital audio solutions. This compact device combines functionality, versatility, and cutting-edge technology, making it a popular choice among music enthusiasts. The MZ-E505 stands out due to its sleek design and impressive features, setting the standard for portable audio players of its time.

One of the main characteristics of the MZ-E505 is its lightweight design, weighing approximately 160 grams. Its portability is complemented by an elegant, user-friendly interface, which includes a simple set of buttons for easy navigation through tracks and folders. The device features a bright LCD display that shows essential information such as track number, time elapsed, and battery life, ensuring users remain informed while on the go.

The MZ-E505's standout feature is its mini-disc technology, allowing users to record and playback high-quality audio. Mini-discs, introduced by Sony in the 1990s, offer an advanced storage solution that can hold up to 74 minutes of high-fidelity stereo sound on the standard format. The player also supports LP2 and LP4 modes, enabling users to double or quadruple the recording capacity, which is perfect for those who require more space for their music collections.

In terms of sound quality, the MZ-E505 utilizes Sony’s ATRAC (Adaptive Transform Acoustic Coding) compression technology, which ensures that audio playback is clear and precise. The device is equipped with a 20-second shock protection mechanism to prevent interruptions during playback, giving users peace of mind while enjoying their favorite tracks during activities like jogging or commuting.

Battery life is another crucial aspect, and the MZ-E505 doesn’t disappoint. It features a rechargeable battery that can provide up to 10 hours of continuous playback on a full charge. Additionally, users have the option to utilize standard AA batteries as an alternative power source.

The MZ-E505 also incorporates a variety of connectivity options, including an analog line-in for direct recording from external sources. This feature was particularly appealing for audiophiles who wanted to create their mix compilations.

Overall, the Sony MZ-E505 is a remarkable blend of portability, sound quality, and innovative technology, representing the quintessential qualities of early digital audio devices. Although the mini-disc format has since been largely superseded by other digital technologies, the MZ-E505 remains a cherished piece of audio history, celebrated for its unique capabilities and breathtaking design.