Sony MHC-V83D Service Manual page 7

MHC-V83D
IF ERROR CODE AND "CHECK MANUAL" FLASHES ON
THE DISPLAY
See the following table for the corrective action.
Error code Corrective action
"PROTECT2" Contact your nearest Sony dealer.
"PROTECT3"/ Immediately unplug the AC power cord
"PROTECT4"/ (mains lead), and check if anything is
"PROTECT6" blocking the ventilation openings of the unit.
After you have checked and found no
problems, reconnect the AC power cord
(mains lead), and turn on the system.
If the issue persists, contact your nearest Sony
dealer.
Protect Type Description:
X (Error Code) Description
2 Defect of thermistor IC or charging circuit
used by SPM (Sound Pressure Management)
system.
3 • There is possibility of over current happen
at speaker output or speaker damage (short-
ed).
• Unusual heat up of AMP IC by improper
assembly of heatsink or lack of thermal
compound.
• Under voltage Protection (no supply to
AMP IC when power ON).
4 • DC appears in SP terminal by defect of
AMP IC.
6 • There is possibility of DC FAN is blocked
or damaged.
• Defect of DC FAN driver circuit.
SELF-DIAGNOSIS FUNCTION
When the self-diagnosis function is activated, a service number ap-
pears on the TV screen or the display.
The service number consists of an alphabet and numerals (e.g. C
13 50). See the following table for the cause and corrective action.
First 3 characters Cause and corrective action
of the service
number
C 13 This disc is dirty.
• Clean the disc with a soft cloth.
C 31 The disc is not inserted correctly.
• Turn off the system, then turn it back
on again.
Then re-insert the disc correctly.
E XX To prevent a malfunction, the system has
(XX is a number) performed the self-diagnosis function.
• Contact your nearest Sony dealer or
local authorized Sony service facility
and give the 5-character service number.
Example: E 61 10
7
Sony CONFIDENTIAL
For Authorized Servicer
SYS SET