HCD-DX60AV, HCD-RG70AV, MHC-DX60AV, MHC-RG70AV - Sony Audio Service Manual (repair manual). Page 15

15

• This mode is used to check operations of the respective sections
of Amplifier, Tuner, CD and Tape.

Procedure:
1.

Press the

I/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 fluorescent indicator
tube. In this mode, it is set as a default setting that VACS 1 to 5
is displayed when VACS is changed and that number of
repeating times for a tape and a CD is set as endless.

4.

When

f (CURSOR UP)

button is pressed, GEQ increases to

its maximum and a message “GEQ MAX” appears.

5.

When

F (CURSOR DOWN)

button is pressed, GEQ decreases

to its minimum and a message “GEQ MIN” appears.

6.

When

g (CURSOR LEFT)

or

G (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 Deck B and Tape B function is
activated, and when

REC PAUSE/START

button is pressed

twice, recording is started. In this case, VIDEO function is
selected automatically as the input source.

9.

Select the desired loop by pressing the

PLAY MODE

button in

the condition that Tape B function is selected as the input source.
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. With pressing  

SPECTRUM

  and  

DISC 1

  buttons simultaneously,

you can select that VACS is functioned (“VACS ON” is
displayed) or not (“VACS OFF” is displayed) under any
function.

15. When you want to exit this mode, press the

I/1

button twice.

The cold reset is enforced at the same time.

When power is off and the set is not in power save mode, (the status
that a demo or a clock is displayed)

Procedure:
1.

Press  

x

    ,   

ENTER

  and  

F (CURSOR DOWN)

  buttons

simultaneously. Version of MC and GC microprocessor are
displayed, for example, “M1.00 G1.00”.

2.

Press  

x

    ,   

ENTER

  and  

f  (CURSOR UP)

  buttons

simultaneously. Model and destination are displayed, for
example, “BG1AV NA G5”.