HCD-RG60, MHC-RG60 - Sony Audio Service Manual (repair manual). Page 14

14

[MC Test  Mode]
• This mode is used to check operations of the respective sections

of Amplifier, TUNER, CD and Tape.

Procedure:
1.

Press the  ?/1  button to turn on the set.

2.

Press the three buttons of x , ENTER and DISC 3
simultaneously.

3.

A message “TEST MODE” appears on the FL display tube.
• The messages VACS1 to VACS5 are displayed when the VACS

is changed in this mode.

• The number of repeats of TAPE and CD is set to the infinite

number as the default setting.

4

 When  v (CURSOR UP)  button is pressed, GEQ increases to
its maximum and a message “GEQ MAX” appears.

5.

When  V (CURSOR DOWN)  button is pressed, GEQ decreases
to its minimum and a message “GEQ MIN” appears.

6.

When  b (CURSOR LEFT)  or  B (CURSOR RIGHT)  button
is pressed, GEQ is set to flat and a message “GEQ FLAT”
appears.

7.

In the test mode, the default-preset channel is called even when
the TUNER is selected and an attempt is made to call the preset
channel that has been stored in memory, by operating the Shuttle
knob.  (It means that the memory is cleared.)

8.

When a tape is inserted in the Deck B and the TAPE B function
is selected, and when the  REC PAUSE/START  button is
pressed twice, recording starts.
The VIDEO function is selected automatically as the input
source.

9.

Select the desired loop by pressing the PLAY MODE button
in the TAPE B function. Insert a test tape AMS-110A or AMS-
RO to Deck A.

10. Press the  SPECTRUM  button to enter the AMS test mode.
11. After a tape is rewound first, the FF AMS is checked, and the

mechanism is shut off after detecting the AMS signal twice.

12. Then the REW AMS is checked and the mechanism is shut off

after detecting the AMS signal twice.

13. When the check is complete, a message of either OK or NG

appears.

14. When the two buttons of  SPECTRUM  and  DISC1  are pressed

at the same time in any function modes, either the “VACS ON”
display to enable the VACS function or the “VACS OFF” display
to disable the VACS function can be selected.

15. When you want to exit this mode, press the  ?/1  button twice.

The cold reset is enforced at the same time.

[Microprocessor version display]
• If the following operation is performed during the POWER OFF

in the modes other than the POWER SAVE mode (i.e., while the
Demo display shows the watch time),
1. When three buttons of  STOP ,  ENTER , V (CUSOR DOWN)

are pressed at the same time, the MC and the GC microprocessor
version numbers are displayed as “M1.00 G1.00”.

2. When three buttons of  STOP ,  ENTER , v (CUSOR UP) are

pressed at the same time, the model name and destination are
displayed as “BG1 AS1A3”.