Self Diagnosis Function - Sony KV-J29MN1 Service Manual

If no acknowledgement is returned from a device which is turned "ON", the device has a problem.
In this case, one of the LED's responding to the problem device will flicker a defined number of times.
Flickering is operated by lighting the LED's for 60ss each time.
The flickering frequency responding to each failed device is shown below.
NONVOLA-
TILE
Device
MEMORY
Flickering
1
Frequency
All the devices are checked one after another from the left of the table.
If an error is found, the responding LED will start flickering.
So, if more than 1 device have failed, only the one on the left side will flicker.
SECTION 4

SELF DIAGNOSIS FUNCTION

— Y/C JUNGLE
— 3
— —
— —
KV-J25MN1AK
RM-883
TONE
CONTROL
(IC 201)
6