Electrical Alignment; General Information For Electrical Adjustment; Notes For Adjustment; Equipment/Fixtures - Sony Digital BETACAM CA-701 Maintenance Manual

2-1. General Information for Electrical
Adjustment

2-1-1. Notes for adjustment

• When a board is extracted, turn off the power of the CA-
701 and a video camera.
• Before adjustment, turn the power on and warm up the
unit for about 10 munites.

2-1-2. Equipment/Fixtures

Equipment/Fixtures
Digital betacam camcorder
AC adapter or Battery
Oscilloscope
Audio analyzer
Audio oscillator
Frequency counter
CA-701
Secton 2

Electrical Alignment

Model
DVW-700/700WS/700P/700WSP
Sony AC-550/550CE or equivalent
Tektronix 2465B or equivalent
Tektronix AA501A (OP.02) or
equivalent
Tektronix SG-5010 or equivalent
Advantest TR5821AK orequivalent

2-2. Video System Adjustment

2-2-1. VCO Free-run Frequency Adjustment

Preparation
• Connect TP1 (D-2) and E2 (E-2) on the DIF-41 board
using a shorting clip.
And warm up the unit for about 10 minutes.
Adjustment procedure
1. Equipment : Frequency counter
Test point : TP2 (E-3)/DIF-41 board
Adjustment point : 1 RV1 (D-3)/DIF-41 board
: 27.0 ±0.1 MHz
Specification
Setting after adjustment
• Disconnect the shout clip.
3
RV1
TP2
DIF-41 Board (A side)
2 1
A
B
C
D
TP1
E2
E
2-1(E)