SONY HCD - V800 _ SELF DIAGNOSIS _ SERVICE NOTES

SERVICE NOTES - SELF DIAGNOSIS

This model has self diagnosis function for video and audio decoder sections.

Immediately after Power ON, the self diagnosis function searches each operation of ICs around the mechanism control microcomputer IC [IC701].    The LED on the video board indicates their results.

LED [D701] INDICATION	SYMPTOM
Light	No error
1 time blinking [repeatedly]	External RAM error [IC751]
2 times blinking [repeatedly]	Video decoder error [IC201]
3 times blinking [repeatedly]	Video RAM error [IC251]
4 times blinking [repeatedly]	Audio decoder error [IC203]

ALL RESET

• Press [Tuner / Band], Display / Demo] and [Menu-3] simultaneously.
• The contents of the preset are restored to those at shipping.