DOWNLOAD Sony HCD-M700 Service Manual ↓ Size: 11.59 MB | Pages: 127 in PDF or view online for FREE

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3-1. Case (R), Case (L), Top Cover Section ······························ 17
3-2. Front Panel Section, Back Panel Section ··························· 17
3-3. VIDEO Board, OPTICAL Board ······································ 18
3-4. SWITCH Board, JACK Board ··········································· 18
3-5. TC Board, Mechanism Deck (CMAL1Z228) ···················· 19
3-6. MAIN Board ······································································ 19
3-7. CONTROL Board ······························································ 20
3-8. POWER Board ··································································· 20
3-9. DIGITAL Board ································································· 21
3-10. MD Mechanism Deck (MDM-7B4M) ······························ 21
3-11. DVD Board ········································································ 22
3-12. DVD Mechanism Deck (CDM55A-DVBU8) ··················· 22
3-13. Holder Assy ······································································· 23
3-14. BD Board ··········································································· 23
3-15. Over Light Head (HR901) ················································· 24
3-16. OP-SUB Assy ···································································· 24
3-17. Loading Motor Assy (M703), Spindle Motor Assy (M701),

Sled Motor Assy (M702) ······················································ 25

3-18. LOADING Board, Motor (LD) Assy (M901) ··················· 25
3-19. RF-240 Board ···································································· 26
3-20. Tray ···················································································· 26
3-21. Optical Pick Up (KHM-240AAA(TYPE A))

(KHM-270AAA(TYPE B)) ···················· 27

··································································· 28

······························ 33

······································································ 54

6-1. CIRCUIT BOARDS LOCATION ····································· 54
6-2. Block Diagrams ································································· 55
6-3. Schematic Diagram  – RF-240 Board – ····························· 60
6-4. Printed Wiring Board  – RF-240 Board – ·························· 61
6-5. Schematic Diagram  – BD Board (1/2) – ·························· 62
6-6. Schematic Diagram  – BD Board (2/2) – ·························· 63
6-7. Printed Wiring Board  – BD (SIDE A) Board – ················ 64
6-8. Printed Wiring Board  – BD (SIDE B) Board – ················ 65
6-9. Schematic Diagram  – DVD Board (1/8) – ························ 66

6-10. Schematic Diagram  – DVD Board (2/8) – ························ 67
6-11. Schematic Diagram  – DVD Board (3/8) – ························ 68
6-12. Schematic Diagram  – DVD Board (4/8) – ························ 69
6-13. Schematic Diagram  – DVD Board (5/8) – ························ 70
6-14. Schematic Diagram  – DVD Board (6/8) – ························ 71
6-15. Schematic Diagram  – DVD Board (7/8) – ························ 72
6-16. Schematic Diagram  – DVD Board (8/8) – ························ 73
6-17. Printed Wiring Board  – DVD (SIDE A) Board – ············· 74
6-18. Printed Wiring Board  – DVD (SIDE B) Board – ············· 75
6-19. Schematic Diagram  – DIGITAL Board (1/2) – ················ 76
6-20. Schematic Diagram  – DIGITAL Board (2/2) – ················ 77
6-21. Printed Wiring Board  – DIGITAL (SIDE A) Board – ······ 78
6-22. Printed Wiring Board  – DIGITAL (SIDE B) Board – ······ 79
6-23. Schematic Diagram  – TC Board – ···································· 80
6-24. Printed Wiring Board  – TC Board – ································· 81
6-25. Schematic Diagram  – MAIN Board (1/2) – ····················· 82
6-26. Schematic Diagram  – MAIN Board (2/2) – ····················· 83
6-27. Printed Wiring Board  – MAIN Board – ··························· 84
6-28. IC Block Diagrams ···························································· 85
6-29. Schematic Diagram  – CONTROL Board (1/2) – ············· 88
6-30. Schematic Diagram  – CONTROL Board (2/2) – ············· 89
6-31. Printed Wiring Board  – CONTROL (SIDE A) Board – ··· 90
6-32. Printed Wiring Board  – CONTROL (SIDE B) Board – ··· 91
6-33. Schematic Diagram  – PANEL Section – ·························· 92
6-34. Printed Wiring Board  – PANEL Section – ······················· 93
6-35. Schematic Diagram  – OPTICAL Board – ························ 94
6-36. Printed Wiring Board  – OPTICAL Board – ····················· 95
6-37. Schematic Diagram  – POWER Section – ························· 96
6-38. Printed Wiring Board  – POWER Board – ························ 97
6-39. IC Pin Function Description ·············································· 98

··················································· 106

7-1. Case Section ···································································· 106
7-2. Front Panel Section ·························································· 107
7-3. Top Cover Section ··························································· 108
7-4. Chassis Section-1 ····························································· 109
7-5. Chassis Section-2 ····························································· 110
7-6. DVD Mechanism Deck Section (CDM55A-DVBU8) ···· 111
7-7. MD Mechanism Deck Section-1 (MDM-7B4M) ············ 112
7-8. MD Mechanism Deck Section-2 (MDM-7B4M) ············ 113

··································· 114

SILVER: KHM-240AAA (TYPE A)
BLACK: KHM-270AAA (TYPE B)

optical device

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The sound source is a copy of a commercially
available music software or CD-R.

cThe Serial Copy Management System prevents

making a digital copy. In addition, you cannot 
copy from a CD-R.

No component is connected to the DIGITAL
OPTICAL IN jack, or you tried to record from the
digital component which is not connected
correctly.

cConnect the optional digital component correctly

to the DIGITAL OPTICAL IN jack using the
digital optical cable (not supplied).

The power of the connected component is not
turned on.

cCheck if the power of the connected digital

component is on. Refer to the operating
instructions supplied with the component.

The digital optical cable is disconnected, or the
power of the connected component is turned off
while recording the digital audio from the
component connected to the DIGITAL OPTICAL
IN jack.
cConnect the digital optical cable, or turn on the

power of the connected component.

The component has internal problem.

cConsult your nearest Sony dealer.

There is a problem with the laser pickup.

cThe laser pickup may be damaged. Consult your

nearest Sony dealer.

This system has a Self-diagnosis display
function to let you know if there is a system
malfunction. The display shows a code made
up of three or five letters and a message
alternately to show you the problem. To solve
the problem refer to the following list. If any
problem persists, consult your nearest Sony
dealer.

The MD is protected against erasure.
cRemove the MD and slide the tab to close the

slot. 

You tried to record a CD with a format that the
system does not support, such as a CD-ROM.

cRemove the disc and turn off the system once,

then turn it on again.

Recording could not be performed properly.

cMove the system to a stable place, and start

recording over from the beginning.

The MD is dirty or scratched, or the MD does not
meet the standards.

cReplace the MD and start recording over from

the beginning.

The MD deck cannot read the disc information
properly.

cRemove the MD once, then insert it again.

The MD deck cannot read the disc information
properly.
cReplace the MD.
cErase all the recorded contents of the MD using

the All Erase Function.

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C:13:00

When the self-diagnosis function for DVD is
activated, a five-character service number (e.g.,
C 13 00) with a combination of a letter and
digits appears on the screen and the front panel
display. In this case, check the following table.

The disc is dirty

cClean the disc with a soft cloth.

The disc is not inserted correctly.

cRe-insert the disc correctly.

To prevent a malfunction, the system has
performed the self-diagnosis function.

cContact your nearest Sony dealer or local

authorized Sony service facility and give the 5-
character service number.
Example: E 61 10

One of the following messages may appear or
flash in the display during operation.

All the tracks on an MD are registered into groups.

The MD deck is pausing the recording because
silence continued for 30 seconds or more during
digital recording.

The inserted recordable MD is new, or all tracks on
the MD have been erased.

• A pre-mastered MD is in the deck.

• You tried to edit in Program or Shuffle Play

mode.

• The track is recorded in MDLP mode.

• A pre-mastered MD is in the deck.

• The function is switched to MD.

• There is no disc in the MD deck, or the MD is

protected against erasure.

• There is no time remaining on the MD.

The editing operation of the MD is completed.

There is no time remaining on the MD.

The MD deck is ejecting the MD.

An attempt was made to create a new group in
excess of the maximum number of groups, or there
are insufficient characters for updating the group
management information.

• You tried to make an impossible editing

operation.

• You cannot combine or erase the tracks due to

the system limitations of MDs.

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The signal was input again after silence continued
for 3 or more but less than 30 seconds during
digital recording, and the silence was cut to 3
seconds.

You tried to program 26 or more tracks (steps).

The MD deck is reading the TOC information of
the MD.

The MD deck is writing the information of

recorded or edited contents.

You have reached the end of the track while
adjusting the dividing point during the Divide
Function.

You attempted to erase a protected track.

There is no DVD in the player.

You pressed PLAY MODE (or PLAY MODE/
TUNING MODE on the remote) during play.

You pressed an invalid button.

There is no CD in the player.

You have reached the end of the CD while
pressing M during play or pause.

You tried to program 26 or more tracks (steps).

Adjustment of the recording level after recording
or Fade-in and Fade-out procedures have failed
since the system was either subject to vibration or
there is a damaged or dirty disc in the tray.

The power was off for a long time, so the system is
initializing itself.

There is no more space to store track, disc or group
titles.

While attempting to change the recording level
after recording, you pressed ENTER/YES on the
remote without actually changing the recording
level, so no change was made.

There is no disc in the MD deck.

You have reached the end of the MD while
pressing M during playing pause.

You pressed PLAY MODE (or PLAY MODE/
TUNING MODE on the remote) during play.

The MD is playing the specified point for
confirmation during the A-B Erase Function and
the Divide Function.

You attempted to perform another operation while
in S.F Edit (changing the recording level after
recording, Fade-in, Fade-out) mode.

You pressed ?/1 while in S.F Edit (changing the
recording level after recording, Fade-in, Fade-out)
mode.

There is no tape in the tape deck, or the tab has
been removed from the cassette.

You cannot record the tape because the tab has
been removed from the cassette.

There is no tape in the tape deck.

The function is switching to the tuner.