STR-DA3300ES, STR-DG1100 - Sony Audio Service Manual (repair manual). Page 6

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6
STR-DA3300ES/DG1100
UPDATE  OF  SOFTWARE  OF  IC2003  ON  THE  CONTROL  BOARD  AND  IC3610  ON  THE  D_VIDEO  BOARD
Perform operation of the following when the update of software of the IC2003 on the CONTROL board and IC3610 on the D_VIDEO board
is necessary.
 DA3300ES: US and Canadian models
Connect:
for PC
J881
Procedure:
1. Connect J881 on the CIS board and PC by using the RS-232C cable.
2. Turn on the main power.
3. The update is executed by using PC.
4. When the update ends, turn off the main power.
5. Remove the RS-232C cable from the J881 on the CIS board and PC.
 DA3300ES: AEP, Russian, Ukrainian and UK models/DG1100
Connect:
Procedure:
1. Remove the KNOB (VOL) ASSY and connect CN717 on the MAIN VOL board and PC by using the jig.
2. Turn on the main power.
3. The update is executed by using PC.
4. When the update ends, turn off the main power.
5. Remove the jig from the CN717 on the MAIN VOL board and PC.
JIG 
(Part No. : J-2501-300-A)
for PC
CN717
MAIN VOL board
ERROR  MESSAGES
If there is a malfunction, the display shows a code of two numbers and a message. You can check the condition of the system by the
message. Refer to the following table to solve the problem.
messages
cause and response
PROTECTOR
Irregular current is output to the speakers, or the upper panel of the receiver is covered with something.
The receiver will automatically turn off after a few seconds. Cheack the speakers connection and turn
on the power again.
Ver. 1.2
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