HCD-FL7D (serv.man2) - Sony Audio Service Manual (repair manual)

(ECN-SMA00750/SMA00827)

US Model

Canadian Model

AEP Model

UK Model

E Model

New/Former Type Description .................................................

2

1-1. Note for Printed Wiring Boards and

Schematic Diagrams .......................................................

4

1-2. Schematic Diagram  – MB Board (1/7) – .......................

5

1-3. Schematic Diagram  – MB Board (2/7) – .......................

6

1-4. Schematic Diagram  – MB Board (3/7) – .......................

7

1-5. Schematic Diagram  – MB Board (4/7) – .......................

8

1-6. Schematic Diagram  – MB Board (5/7) – .......................

9

1-7. Schematic Diagram  – MB Board (6/7) – ....................... 10
1-8. Schematic Diagram  – MB Board (7/7) – ....................... 11
1-9. Printed Wiring Board

– MB Board (Component Side) – ................................... 12

1-10. Printed Wiring Board

– MB Board (Conductor Side) – ..................................... 13

1-11. Printed Wiring Boards  – CD DOOR Section – ............. 14
1-12. Schematic Diagram  – CD DOOR Section – ................. 15
1-13. Printed Wiring Boards  – TC DOOR Section – ............. 16
1-14. Schematic Diagram  – TC DOOR Section – .................. 17
1-15. Printed Wiring Board  – GC Board – ............................. 18
1-16. Schematic Diagram  – GC Board – ................................ 19
1-17. Printed Wiring Boards  – PANEL Section – .................. 20
1-18. Schematic Diagram  – PANEL Section – ....................... 21
1-19. Printed Wiring Board  – MIC Board –

(EA, MX, SP, KR models) .............................................. 22

1-20. Schematic Diagram  – MIC Board –

(EA, MX, SP, KR models) .............................................. 23

.............................. 24

2

New/former type of the MB board is discriminated by difference of the pattern.

IC509

20

21

C928

IC509

20

21

Former type

New type

%

%

3

New/former type of the CD DOOR/CD MOTOR/CD DOOR SW1/CD DOOR SW2/TC DOOR SW/TC SW (A)/TC DOOR/GC/PANEL
(L)/BLUE LED/PANEL (R)/MIC boards are discriminated by difference of the pattern of the PANEL (L) board.

D301, S301

CD

D302, S303

1

11

D301, S301

CD

D302, S303

1

11

Former type

New type

$

$

4

Note on Printed Wiring Boards:
•

X

: parts extracted from the component side.

•

Y

: parts extracted from the conductor side.

•

f

: internal component.

•

: Pattern from the side which enables seeing.

(The other layers' patterns are not indicated.)

• Indication of transistor.

C

B

These are omitted.

E

Q

B

These are omitted.

C

E

Q

B

These are omitted.

C

E

Q

Note on Schematic Diagram:
• All capacitors are in 

µ

F unless otherwise noted.  pF: 

µµ

F

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.

•

C

: panel designation.

•

A

: B+ Line.

•

B

: 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.

• Circled numbers refer to waveforms.

• Signal path.

F

: AUDIO

L

: VIDEO

E

: Y

a

: CHROMA

r

: COMPONENT VIDEO

J

: CD PLAY

c

: DVD PLAY

I

: SACD PLAY

N

: MIC

• Abbreviation

CND : Canadian model
EA

: Saudi Arabia model

KR

: Korean model

MX

: Mexican model

SP

: Singapore model

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.

D

G

These are omitted.

S

Q