Power/Control System Adjustment; Board Voltage Adjustment; Servo System Adjustment; Eeprom Data Initialize - Sony DVW-250 Maintenance Manual

9-2. Power/Control System Adjustment

9-3. Servo System Adjustment

9-2. Power/Control System Adjustment
9-2-1. SST-3 Board Voltage Adjustment
Preparation
Adjustment procedure
1. +5 V Adjustment
: Digital volt meter
Equipment
: TP5 (B-8) /SST-3
Test point
: E6 (H-5) /SST-3
GND
Adjustment point : 1RV1 (C-7) /SST-3
: +5.00
Specification
2. -8.5 V Adjustment
: Digital volt meter
Equipment
: TP6 (B-8) /SST-3
Test point
: E6 (H-5) /SST-3
GND
Adjustment point : 1RV2 (B-7) /SST-3
: -8.5 ±0.1 V dc
Specification
9-4
+0.01
V dc
-0.00
9-3. Servo System Adjustment
Preparation
Eject a tape.

9-3-1. EEPROM Data Initialize

1. On the DIAG menu, set PAGE as follows.
PAGE : <TEST><TTP><ADJUST/NVRAM>
<NVRAM>
ITEM : NVRAM INITIAL
2. Press the SET button.
The "INITIALIZING....." message is displayed on the
audio meter LCD.
3. When this initialize is completed, the "INITIALIZED"
message is displayed on the audio meter LCD.
DVW-250/250P