Service manual

HT-X1
7 – 4
• Picture do not operate normally.
Set the disc on the disc tray.
Yes
Are the video signal shown above input into the pins of J3 ?
J3 pin 4 PR
J3 pin 3 PB
J3 pin 6 C
J3 pin 7 Y/G
No Check the line between the pins of DVD servo unit IC10 and the
pins CP5.
U9 pin 113 → J3 1pin G/Y
U9 pin 114 → J3 4pin PR
U9 pin 115 → J3 13pin PB
Yes
Check or replace DSP PWB.
• Sound is not given properly from speaker.
Set disc to DISC tray and play.
Yes
Digital sound signal output at pin 124 of U9. No Check or replace U9.
Yes
If U1 pin21, 23 Sound signal No Check or replace U1.
Yes
Check or replace Amp unit.