DOWNLOAD Sony MDS-JA555ES Service Manual ↓ Size: 8.01 MB | Pages: 88 in PDF or view online for FREE

37

37

AC board

BD board

MOTOR board

PSW board

HP board

FL board

OUT SWITCH board

REC board

POSITION SWITCH board

BT board

DA board

AD board

PJ board

PW board

DIGITAL board

• X

: parts extracted from the component side.

• Y

: parts extracted from the conductor side.

• b

: Pattern from the side which enables seeing.

(The other layers' patterns are not indicated.)

Caution:
Pattern face side:

Parts on the pattern face side seen from

(Conductor Side)

the pattern face are indicated.

Parts face side:

Parts on the parts face side seen from

(Component Side)

the parts face are indicated.

THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)

• Indication of transistor.

C

B

These are omitted.

E

Q

B

These are omitted.

C

E

Q

Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted.  pF: µµF

50 WV or less are not indicated except for electrolytics
and tantalums.

• All resistors are in 

Ω

 and 

1

/

4

 

W or less unless otherwise

specified.

•

f

: internal component.

•

2

: nonflammable resistor.

•

5

: fusible resistor.

•

C

: panel designation.

•

U

: B+ Line.

•

V

: B– Line.

• Voltages are taken with a VOM (Input impedance 10 M

Ω

).

Voltage variations may be noted due to normal produc-
tion tolerances.

• Waveforms are taken with a oscilloscope.

Voltage variations may be noted due to normal produc-
tion tolerances.

• Signal path.

E

: PB

j

: REC

p

: PB (DIGITAL)

l

: REC (DIGITAL)

Note:
The components identi-
fied by mark 

!

 or dotted

line with mark 

!

 are criti-

cal for safety.
Replace only with part
number specified.

Note:
Les composants identifiés par
une marque 

!

 sont critiques

pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.

38

38

• Refer to page 37 for Note on Printed Wiring Boards.   • Refer to page 37 for Circuit Board Location.

FOR ADJUSTMENT

D101

G-6

D181

A-1

D183

A-1

IC103

E-6

IC123

B-3

IC171

A-6

Q102

E-5

Q103

C-6

Q104

E-6

IC101

G-5

IC121

C-5

IC124

C-6

IC152

E-2

IC181

C-2

IC192

B-1

Q101

E-6

Q162

E-6

Q163

E-5

Q181

B-2

Q182

B-3

39

39

• Refer to page 37 for Note on Schematic Diagrams.   • Refer to page 56 for Waveforms.
• Refer to page 58 for IC Block Diagram.   • Refer to page 63 for IC Pin Function.

(Page 43)

(Page 45)

(Page 40)

40

40

• Refer to page 37 for Note on Schematic Diagrams.   • Refer to page 56 for Waveforms.
• Refer to page 57 for IC Block Diagram.    • Refer to page 62 for IC Pin Function.

(Page 39)

The components identified by
mark 

!

 or dotted line with mark

!

 are critical for safety.

Replace only with part number
specified.

Les composants identifiés par
une marque 

!

 sont critiques

pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro spécifié.