Sony HCD-EC599 Service Manual page 11

3. Press three buttons of [u], [
4. It enters the CD factory mode and the message "FACTORY" is
displayed. When the [OPTIONS] button is pressed, the follow-
ing message (initial display) is displayed.
– ON
S character mode setting
Tracking servo setting
RF gain setting
Key Operation:
[OPTIONS]:
The display changes in the following order when-
ever the button is pressed.
(Initial display)
FCSAG**(**: Focus AGC value)
TRKAG**(**: Track AGC value)
RF_AG**(**: RF AGC value)
[DSGX]:
RF gain setting changes whenever the button is
pressed.
"–": No gain fi xation.
"AL": Fix to the gain for AL disc.
"RW": Fix to the gain for RW disc.
[FUNCTION]:
S character mode setting changes whenever the but-
ton is pressed.
" ": S character mode OFF.
"S": S character mode ON.
5. To release from this mode, Press three buttons of [u], [
and [ ] simultaneously.
?/1
] and [ ] simultaneously.
-
?/1
]
-
PROTECT KIND CHECK TEST MODE
This mode is used to check types of protect occurred during
protector on.
Procedure:
During protection on, LCD will toggle between "PROTECT"
message & type of protection mode.
Indication of LCD Type of defect
PROTECT E01 Defect of AMP
circuit
PROTECT E02 Defect of power
supply circuit
to CD
PROTECT E03 Defect of
USB+5V power
supply
PROTECT E04 Defect of 9V
power supply
PROTECT E05 AC supply
mismatch
HCD-EC599
Possible cause(s)
Defect of IC701, '+'
and '-' speaker cord are
shorted, fan is blocked
from turning
Defect of optical unit,
transformer or 9V
Regulator supply
Defect of IC400 and
related circuitry
Unusual heat up of
IC702 (9V regulator)
by improper assembly
of heatsink, destruction
of IC702 etc..
Incorrect voltage
selector setting
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