Sony HCD-DZ555K, HCD-DZ556KB, HCD-DZ750K Service Manual

HCD-DZ555K/DZ556KB/

SERVICE MANUAL

Ver. 1.1 2007.05

SUPPLEMENT-1

Subject: DMPORT board changed to suffix-12 from suffix-11

Part number of DMPORT board changed to suffix-12 from suffix-11.
It has any difference between suffix-11 and suffix-12.
This supplement-1 describes the difference in the two boards.
Refer to original service manual (9-887-602-0[]) for other information.

DZ750K

E Model

HCD-DZ555K/DZ556KB/DZ750K

Australian Model

HCD-DZ555K/DZ750K

•How to distinguish

Location of part number on changed DMPORT board

DMPORT BOARD

IC202

CN201

(SP,AUS,E3,E12,KR)

DMPORT

CN204

(SIDE A)

CN203

IC201

9-887-602-81

Before change: 1-872-120-11
After change:

1-872-120-12

HCD-DZ555K/DZ556KB/DZ750K

DIAGRAMS

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

For Schematic Diagrams.
Note:

• All capacitors are in µF unless otherwise noted. (p: pF)
50 WV or less are not indicated except f or electrolytics and
tantalums.

• All resistors are in Ω and
specified.

• f : internal component.

• C : panel designation.

• A : B+ Line.

•Voltages are dc with respect to ground under no-signal
(detuned) conditions.

•Voltages are dc with respect to ground in service mode.
Voltage variations may be noted due to normal production
tolerances.
no mark : DVD STOP

•Voltages are taken with VOM (Input impedance 10 MΩ).

• Signal path.

L : VIDEO
f : AUDIO IN

•Abbreviation
AUS: Australian model
E3 : 220 – 240V AC area in E model
E12 : 220 – 240V AC area in E model
KR : Korean model
SP : Singapore model

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4

/

W or less unless otherwise

For Printed Wiring Boards.
Note:

• X : parts extracted from the component side.

• a : Through hole.

•
(The other layers' patterns are not indicated.)

• Indication of transistor.

: Pattern from the side which enables seeing.

Caution:
Parts face side: Parts on the parts face side seen from
(SIDE A) the parts face are indicated.
Pattern face side: Parts on the pattern face side seen from
(SIDE B) the pattern face are indicated.

C
Q

CEB

These are omitted

B

E

These are omitted.

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