Harman Kardon DVD 27 Service Manual ▷ View online
34
TROUBLESHOOTING GUIDE
TROUBLESHOOTING GUIDE
TROUBLESHOOTING GUIDE
SYMPTOM
POSSIBLE CAUSE
SOLUTION
Unit does not turn on
• No AC power
• Check AC power plug and make certain any switched
outlet is turned on.
Disc does not play
• Disc loaded improperly
• Load disc label-side up; align the disc with the guides and
place it in its proper position.
• Incorrect disc type
• Check to see that disc is CD, CD-R, CD-RW, VCD, MP3, WMA, JPEG,
DVD-R, DVD-RW, DVD+R, DVD+RW (standard conforming) or
DVD-Video; other types will not play.
DVD-Video; other types will not play.
• Invalid Region Code
• Use Region 1 or Open Region (0) disc only.
• Rating is above parental preset
• Enter password to override or change rating settings (see page 18).
No picture
• Intermittent connections
• Check all video connections.
• Wrong input
• Check input selection of TV or receiver.
• Progressive Scan output selected
• Use Progressive Scan mode only with compatible TV. If needed, press the
Progressive Scan/Interlaced Button
H to toggle to the correct mode.
• Video Off feature active
• Press Video Off Button
F to reactivate video circuitry
(see page 20).
No sound
• Intermittent connections
• Check all audio connections.
• Incorrect digital audio selection
• Check digital audio settings.
• DVD disc is in fast or slow mode
• There is no audio playback on DVD discs during fast or slow modes.
• Surround receiver not compatible
• Use analog audio outputs.
with 96kHz PCM audio
Picture is distorted or jumps during
• MPEG-2 decoding
• It is a normal artifact of DVD playback for pictures to jump
fast forward or reverse play
or show some distortion during rapid play.
Some remote buttons do not operate
• Function not permitted at this time
• With most discs, some functions are not permitted at certain
during DVD play; prohibited symbol
times (e.g., Track Skip) or at all (e.g., direct audio track selection).
appears (see below)
The OSD menu is in a foreign language
• Incorrect OSD language
• Change the display language selection (see page 18).
The
symbol appears
• Requested function not available at
• Certain functions may be disabled by the DVD itself during
this time
passages of a disc.
Picture is displayed in the
• Incorrect match of aspect ratio settings
• Change aspect ratio settings (see page 19).
wrong aspect ratio
to disc
Remote control inoperative
• Weak batteries
• Change both batteries.
• Sensor is blocked
• Clear path to sensor or use optional outboard remote sensor.
Disc will not copy to VCR
• Copy protection
• Many DVDs are encoded with copy protection to prevent
copying to VCR.
Password not accepted.
• Incorrect password being used or
• Stop play of disc. Press and hold the Clear Button
3 until the display
password has been forgotten.
blinks. This resets the password and all settings to their defaults.
IC PIN OUT
IC47
TC74HCT7007
IC 23
AM5888S
AM5888S
IC 15
AT2408A
AT2408A
IC 42
BA7660FS
BA7660FS
IC 41
BH7862FS
BH7862FS
IC22
ML12L64164A-7T
ML12L64164A-7T
IC 21
M29W160ET
IC 45
ST72F324KR
ST72F324KR
Harman Consumer Group International
DISASSEMBLY
Remove the Screws
5. Removing the Main Pcb& Smps Pcb
~
1
~
1
Remove the Screws
5
3
2
1
4. Removing the Rear Panel
DVD27/230
1
2
1. Removing the Top Cabinet
Remove the Screws
4
~
3
2
1
Remove the Screws
3. Removing the Front Panel
1 ~
4
1
2
1
1
2. Removing the Bottom Chassis
Remove the Screws
~
4
1
2
2
6
5
6
2
3
4
5
Harman Consumer Group International
Harman Consumer Group International
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