MHC-V71/V71D
6
Protect Type Description:
X (Error Code)
Description
2
Defect of thermistor IC or charging circuit
used by SPM (Sound Pressure Management)
system.
3
Power supply over current.
or
DC appears in SP terminal by defect of AMP
IC.
or
Unusual heat up of AMP IC by improper as-
sembly of heat sink.
6
Defect of DC FAN and DC FAN driver circuit.
NOTE OF REPLACING THE IC2002 ON THE MOTH-
ERBOARD BOARD AND THE COMPLETE MOTHER-
BOARD BOARD
When IC2002 on the MOTHERBOARD board and the complete
MOTHERBOARD board are replaced, it is necessary to spread the
compound between parts and heat sink.
After that, execute “3. IC and MOTHERBOARD board after re
-
pair checking guide” (page 31).
Part No.
Description
7-300-009-67
THERMAL COMPOUND (TIG2000)
Spread the compound referring to the figure below.
– MOTHERBOARD Board (Component Side) –
IC2002
thermal compound (TIG2000)
NOTE OF REPLACEMENT OF THE SENSOR BOARD
When the SENSOR board is defective, exchange the SERVICE,
TOP PANEL ASSY.
NOTE OF REPLACEMENT OF THE MS-476 BOARD
When the MS-476 board is defective, exchange the entire
LOADING COMPLETE ASSY (T).
TEST DISCS
Use following TEST DISC when this unit confirms the operation
and checks it.
• For CD
Part No.
Description
3-702-101-01
DISC (YEDS-18), TEST
4-225-203-01
DISC (PATD-012), TEST
J-2501-307-A
DISC (HLX-A1), TEST
• For DVD SL (Single Layer)
Part No.
Description
J-6090-069-A
DISC (HLX-503), TEST (NTSC)
J-6090-088-A
DISC (HLX-504), TEST (NTSC)
J-2501-305-A
DISC (HLX-513), TEST (NTSC)
J-6090-077-A
DISC (HLX-506), TEST (PAL)
• For DVD DL (Double Layer)
Part No.
Description
J-6090-071-A
DISC (HLX-501), TEST (NTSC)
J-6090-089-A
DISC (HLX-505), TEST (NTSC)
J-2501-306-A
DISC (HLX-514), TEST (NTSC)
J-6090-078-A
DISC (HLX-507), TEST (PAL)
RELEASING THE DISC TRAY LOCK
The disc tray lock function for the antitheft of sample disc in the
shop is equipped.
It can release the lock function in the following procedure.
Releasing Procedure:
1. Press the [
1
] button to turn the power on.
2. Touch the [FUNCTION] touch key to turn the DVD/CD func-
tion.
3. Touch [MEGA BASS] and [VOCAL FADER] touch keys
simultaneously for three seconds.
4. The message “UNLOCKED” is displayed on the screen
display panel and the disc tray is unlocked.
Note:
When “LOCKED” is displayed on the screen display panel, the
disc tray lock is not released by turning the power on/off with the
[
1
] button.
IF “PROTECTX” (X IS A NUMBER)
AND “CHECK MANUAL” FLASHES
ON THE DISPLAY
Immediately unplug the AC
power cord (mains lead), and
check if anything is 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.
Ver. 1.1
SYS SET
2018/05/30 01:52:46 (GMT+09:00)
