HTC-WX5, MHC-WX5, MHC-WX7AV - Sony Audio Service Manual (repair manual). Page 6

6

Precedure:
1.

After turning ON the power of the conduction jig (PFJ-1), press the  s (TAPE A)  button,  s (TAPE B)  button, and  H (TAPE B)
button together in this order.

2.

Press the  s (TAPE B)  button while pressing the  x (CD)  button to set the aging mode and start aging.

3.

To end aging, press the three buttons in step 1.

NOTE: This is the mode for operating the unit by itself. Take note that the operating method differs when connected to the STR-WX5/

WX7. This method is described in the manuals of the STR-WX5 and STR-WX7. Refer to these manuals for details.

Precedure:
1.

After turning ON the power of the conduction jig (PFJ-1), press the  s (TAPE A)  button,  s (TAPE B)  button, and  H (TAPE B)
button together in this order.

2.

Press the  X (TAPE)  button while pressing the  x (CD)  button.

NOTE: This is the mode for operating the unit by itself. Take note that the operating method differs when connected to the STR-WX5/

WX7. This method is described in the manuals of the STR-WX5 and STR-WX7. Refer to these manuals for details.
This mode moves the pickup to areas where the anti-vibration is stronger. Perform this mode when returning the repaired product
to the customer.

Precedure:
1.

After turning ON the power of the conduction jig (PFJ-1), press the  s (TAPE A)  button,  s (TAPE B)  button, and  H (TAPE B)
button together in this order.

2.

Press the  CD SYNCHRO  button while pressing the  x (CD)  button.

3.

Wait untill  z (TAPE B)  indicator is on befor disconnect from the conduction jig (PFJ-1).

NOTE: Always perform this mode when operating the unit by itself.

This mode is used for lighting up the whole LED.

Precedure:
1.

After turning ON the power of the conduction jig (PFJ-1), press the  s (TAPE A)  button,  s (TAPE B)  button, and  H (TAPE B)
button together in this order.

2.

The whole LED can be turned on and off each time the  s (TAPE A)  button is pressed while pressing the  x (CD)  button.

3.

Press the three buttons in step 1 at the end.

NOTE: Always perform this mode when operating the unit by itself.

This mode is used for checking the key inputs of the buttons of the unit.

Precedure:
1.

After turning ON the power of the conduction jig (PFJ-1), press the  s (TAPE A)  button,  s (TAPE B)  button, and  H (TAPE B)
button together in this order.

2.

Press the   DOLBY NR  button while pressing the  x (CD)  button to set the key check mode, and the indicator displays “ 3 HX”.

3.

The number of buttons pressed are indicated in binary digits by the indicator LED. Buttons pressed once are not counted when pressed
again.

4.

Press the two buttons in step 2 at the end.

Display: 1< 2< 3

Aging Mode
NOTE: Perform the following procedure only when operating the unit by itself.

This mode is used for checking the operations of the CD player and tape deck.
The operations are the same as the aging mode described in the service manual for the STR-WX5/WX7. However as this unit does
not have a fluorescent indicator tube, operating states and error statuses cannot be checked.
If the STR-WX5/WX7 is available, set the aging mode according to those service manuals.

Aging continues in the following sequence as long as no errors occur.

MSB 

↑

↑

 LSB

Aging of CD player (12 minutes)

Aging of deck A

Aging of deck B

Aging of deck A (half)

10 minutes