Rf System Adjustment - Sony DSR-300 Service Manual

8-3. RF SYSTEM ADJUSTMENT

8-3-1. REC Current Adjustment
Note: Be sure to perform this adjustment when the
RP-91 board is repaired and recording
amplifier (IC777) or EEPROM (IC770) on the
board is replaced.
Be sure not to perform this adjustment when
replacing the RP-91 board.
1. Set the unit in maintenance menu, and select Menu No.
700.
(1) While pressing the SHIFT button, press the MENU
button, then release the SHIFT button, and press the
MENU button for more than one second.
The following message is displayed on the LCD screen.
(In the following description, an underlined part
indicates a portion of the display which is blinking.)
(2) Press the RESET (MENU SET) button once so that
"oFF" blinks.
The following message is displayed on the LCD screen.
Each time the RESET (MENU SET) button is pressed,
"600" and "oFF" will blink alternately.
(3) Press the ADVANCE button once, and select "on."
The following message is displayed on the LCD screen.
Each time the ADVANCE button is pressed, "on" and
"oFF" will blink alternately.
(4) Press the RESET (MENU SET) button once.
The following message is displayed on the LCD screen.
Each time the RESET (MENU SET) button is pressed,
"600" and "on" will blink alternately.
DSR-300/P(E)/V1
(5) Press the ADVANCE button several times and display
Menu No. 700.
The following message is displayed on the LCD screen.
2. Press the RESET (MENU SET) button.
3. Check that the following message is displayed on the
LCD screen:
4. Press the RESET (MENU SET) button.
5. Check that the following message is displayed on the
LCD screen:
6. Press the RESET (MENU SET) button.
7. Check that the following message is displayed on the
LCD screen:
If the following message is displayed on the LCD
screen, exit Menu No. 700, and perform from step 1
again.
If the following message is still shown on the LCD
screen, check the unit whether normal or not.
X X:E0→ Cannot save data
8. Press the MENU button, and exit the maintenance
menu.
The state before the maintenance menu indication will
be displayed on the LCD screen.
8-5