Test Mode - Sony CDP-LSA1 Service Manual

Note that in order to enter test mode, it is first necessary to turn off test mode disabling.
4-1. How to release from test mode prohibition
1. While pressing the DISPLAY button, press the A button.
2. First release the A button, press and then release the DISPLAY button.
Note : Note that entering STANDBY mode or turning off the power causes test mode to be disabled once again.
4-2. FL display & key switch test mode
Either of the following two methods may be used to enter FL DISPLAY or KEY SWITCH test mode.
Method 1:
Connect the TP753 node of the main board to a GND and turn on the power. All FL DISPLAY indicators will then light up. Note that
there is no need to turn off test mode disabling at this time.
Method 2:
1. While pressing the DISPLAY button, press the 7 button.
2. First release the 7 button, press and then release the DISPLAY button.
3. All FL DISPLAY indicators will then light up.
Procedure :
1. The display mode will change every time the 7 button is pressed.
FL DISPLAY bridge CHECK1 lights up
STANDBY, 7 (Green) lights up
FL DISPLAY bridge CHECK2 lights up
STANDBY indicator goes out and the 7 indicator (Red) lights up
Key check mode "CD key 0"
"CD KEY 1" : x button
"CD KEY 2" : 7 button
"CD KEY 3" : A button
"CD KEY 4" : > button
"CD KEY 5" : . button
"CD KEY 6" : DISPLAY button
"CD KEY 7" : ?/1 button
2. While pressing the DISPLAY button, press the 7 button.
3. First release the 7 button and then release the DISPLAY button to exit the test mode.
SECTION 4

TEST MODE

r
r
FL DISPLAY bridge CHECK1 lights up
CHECK 1
PROGRAM
–B
FL DISPLAY bridge CHECK2 lights up
CHECK 2
MULT
15