Sony R500PC User Manual

19

1. Make sure that the power supply voltage is 3V.
2. Set the test mode (see page 12).
3. Press the

.

or 

[VOL--]

 key to activate the overall adjustment

mode.

4. Press the 

[END SEARCH]

 key. (the 

[END SEARCH]

 key causes

the item number to be switched to 762.)

1. Press the 

[ENTER]

 key and set the address & adjusted value

display (see page 14).

2. Connect a digital voltmeter to the TP902 (VC) on the MAIN

board, and adjust 

[VOL +]

 key (voltage up) or 

[VOL --]

 key

(voltage down) so that the voltage becomes 2.40 ± 0.01 V.

3. Press the

X

key to write the adjusted value.

(The item number changes to 763 when

X

key is pressed)

Adjustment and Connection Location: MAIN board

(see page 21)

1. Press the 

[ENTER]

 key and change the LCD display.

3) Press the

X

key to write the adjusted value.

4) Select the manual mode of the test mode, and set item number

862 (see page 13).

5) Adjust with the 

[VOL+]

 key (adjusted value up) or 

[VOL--]

key (adjusted value down) so that the adjusted value becomes
01.

6) Press the

X

key to write the adjusted value.

7) Select the manual mode of the test mode, and set item number

871 (see page 13).

8) Adjust with the 

[VOL+]

 key (adjusted value up) or 

[VOL--]

key (adjusted value down) so that the adjusted value becomes
20.

9) Press the

X

key to write the adjusted value.

10) Select the manual mode of the test mode, and set item number

872 (see page 13).

11) Adjust with the 

[VOL+]

 key (adjusted value up) or 

[VOL--]

key (adjusted value down) so that the adjusted value becomes
39.

12) Press the

X

key to write the adjusted value.

Adjustment must be done with the following steps.

   8 6 2

V1dat

2.    Vc PWM Duty (H) adjustment (item number 763)

3.    Vl PWM Duty adjustment (item number 764)

1.    Vc PWM Duty (L) adjustment (item number 762)

01

   8 6 2

S01

   8 7 1

V5num

20

   8 7 1

S20

   8 7 2

V5dat

39

   8 7 2

S39

   0 0 0

Assy11

   7 6 2

Vc1PWM

   7 6 2

 AD

   7 6 3

VchPWM

   7 6 3

 AD