Pll Adjustment - Sony DSR-570WS Service Manual

10-3-2. PLL Adjustment

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Be sure to perform this adjustment when the RP-91 board
is repaired and PLL (IC773) or EEPROM (IC770) on the
RP-91 board is replaced.
Be sure not to perform this adjustment when replacing the
RP-91 board.
1. Set the unit in the maintenance menu, and select Menu
No. 701.
(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 to blink
"oFF."
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.
10-6
(5) Press the ADVANCE button several times and display
Menu No. 701.
The following message is displayed on the LCD screen.
2. Press the RESET (MENU SET) button.
3. Load a blank tape, and wait for a while (8 minutes or
less).
4. Eject the blank tape.
5. Check that the following message is displayed on the
LCD screen:
If the following message is displayed on the LCD
screen, exit from Menu No. 701 and perform from step
1 again.
If the following message is still shown on the LCD
screen, check the replaced IC and/or adjacent circuitry.
X X: 42→ Could not record time required for
adjustment or check
43→ Could not find starting point of recording
45→ CLOCK DELAY cannot be adjusted
50→ PLL F0 (CH1) cannot be adjusted
51→ PLL F0 (CH2) cannot be adjusted
52→ PLL capture range cannot be adjusted
E0→ Cannot save data
Fb→ Operation mode changed during adjustment
or check. Or could not record
Fc→ Error occurred during adjustment or check
Fd→ Not supported menu
FE→ Prohibits adjustments (Ex.: Tape is inserted)
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Because the recording in the special mode is performed
during adjustments, the tape used in this adjustment cannot
be played back properly.
6. Press the MENU button, and exit from the maintenance
menu.
The state before the maintenance menu indication will
be displayed on the LCD screen.
DSR-570WS/570WSP V1