ZS-PE40CP (serv.man2) - Sony Audio Service Manual (repair manual). Page 19

Note 1:  Do not enter the this mode while any other test mode is in prog-

ress.

Note 2:  Do not enter any other test mode while the this mode is in prog-

ress.

Procedure:
1.  Press the [

?/1

] button to turn the power on.

2.  Press the [FUNCTION] button to select CD function
3.  Press three buttons of the [CD], [TUNE/

 +] and [DISPLAY/

ENTER] simultaneously.

4.  It enters the CD factory mode and the message “FACTORY” is 

displayed.

Key Operation:
[MODE]:
The display changes in the following order whenever the button 
is pressed.

FACTORY

FCAG ** (**: Focus AGC value)

TRAG ** (**: Track AGC value)

RFAG ** (**: RF AGC value)

[DISPLAY/ENTER]:
RF gain setting changes whenever the button is pressed.
“FACTORY” : No gain fi xation.
“AL” 

: Fix to the gain for AL disc.

“RW” 

: Fix to the gain for RW disc.

[VOLUME –]:

Tracking servo setting changes whenever the button is pressed 

(This function is executable only while CD is playing).

“ON”  : Tracking servo ON.
“OFF” : Tracking servo OFF.

[VOLUME +]:
S character mode setting changes whenever the button is pressed.
“FACTORY” : S character mode OFF.
“S-CUR” 

: S character mode ON.

Releasing method:
Press three buttons of the [CD], [TUNE/

 +] and [DISPLAY/EN-

TER] simultaneously.

CD  SERVICE  MODE
This mode can move the SLED of the optical pick-up, and also can 
turn the optical pick-up laser power on and off.
C1 error, C2 error, frame jump error, focus drive low-pass value 
and SubQ displayed.
The disturbance level of FE and TE can be set up.

Procedure:
1.  Press the [POWER] button to turn the power on.
2.  Press three buttons of the [CD], [VOLUME +] and [MODE] 

simultaneously.

3.  The message “SE MODE” appears on the liquid crystal dis-

play.

Key Operation:
[– PRESET 

.

], [PRESET + 

>

] (CD stop states):

Use these keys to move the SLED. When [PRESET + 

>

] is 

pressed in this mode, the SLED moves to outer circumference and 
the message “SL OUT” is displayed.
When [– PRESET 

.

] is pressed in this mode, the SLED moves 

to inner circumference and the message “SL IN” is displayed.

[MODE]:
Use this key to turn the optical pick-up laser power on and off. 
When the laser power is turned on, the message “LD ON” is dis-
played. When the laser power is turned off, the message “LD OFF” 
is displayed.

[MANUAL PRESET 

u

]:

Use this key to CD play. On the liquid crystal display, C1 error 
is displayed. Each time [DISPLAY/ENTER] button pressed, the 
display changes C2 error, SubQ frame jump error, focus drive low-
pass value this order, and returns to the C1 error display.
Each time [DISPLAY/ENTER] button is press and hold for 2 sec-
onds, source change to “CD” or “AUDIO IN”.
(Displayed characters/values in the following fi gure are example)

XXXX00:00

CD

FXXX00:00

CD