Sony hcd-dz230 Service Manual page 26

HCD-DZ230/DZ231/HDZ235
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11. PROTECTION FACTOR (SD DETECTION/
DC DETECTION) IDENTIFICATION TEST MODE
When an error is detected, the FL tube alternately displays
"PROTECTOR h PUSH POWER".
Press the button.
?/1
r
* Buttons other than the
?/1
"STANDBY" blinks three times on the FL tube.
r
The protection release state (POWER OFF) is established.
(No FL tube display)
r
Press the ?/1 button.
The power to the system turns on, and the normal operation is
established. (Restore)
During the protection state:
1. If the AC plug is connected or disconnected during the
protection state, the protection state is released, and the normal
operation is established. (The protection state is not
maintained.)
2. The protection factor is displayed by pressing the
FUNCTION , A and > buttons at the same time during
the protection state
(during the "PROTECTOR h PUSH POWER" display).
k When SD is detected: Repeats
"SD DETECT h PUSH POWER".
k When DC is detected: Repeats
"DC DETECT h PUSH POWER".
PL: SD detection
When the "L" output from the SD (shutdown) port on the S-
TE
L 13942296513
MASTER POWER Driver is detected, the power system other
than that of the FL tube is turned off, and the protection state
is established.
DC detection
When the "L" output from the power/speaker error detection
circuit (DC detection port) is detected for two seconds
continually, the power system other than that of the FL tube is
turned off, and the protection state is established.
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