Sony BVP-550, Maintenance Manual

Page: 74 / 924

4-22 (E)
BVP-550
BVP-550P
4-3-2. Horizontal Hold Adjustment
Equipment : Frequency counter
Preparations:
Extend the IF-510 board of BVP-550/550P with EX-464
extension board.
Disconnect the RET IN connector on CCU-700/700P.
Short between 45-pin and 92-pin on the EX-464 board
using a shorting clip.
Set
1
RV6 (V SIZE)/VF-60 board to the mechanical center
position.
(When
1
RV6 is marked, it should not be turned.)
Adjustment procedures
Test point
: TP1/VF-60
GND : E1/VF-60
Adjustment point :
1
RV3 (H HOLD)/VF-60
Specifications
: 15.73
±
0.05 kHz (for NTSC)
15.63
±
0.05 kHz (for PAL)
After adjustment is completed, disconnect the shorting clip
on the EX-464.
Connect the IF-510 board to the camera.
4-3-3. Bright Set Adjustment
Preparations:
OUTPUT/DCC switch (on the side panel of BVP-550/
550P)
→
BARS/OFF
BRIGHT control (on the viewfinder)
→
Fully turn counter-
clockwise
CONTRAST control (on the viewfinder)
→
Fully turn
clockwise
Measurement point
: viewfinder
Adjustment point :
1
RV9 (SUB BRIGHT)/VF-60
Specifications
For NTSC model
Spec.:
Adjust
1
RV9/VF-60 so that portions A and
B on the viewfinder screen can be barely
discriminated.
For PAL model
Spec.:
Adjust
1
RV9/VF-60 so that portions A and
B on the viewfinder screen can be barely
discriminated, and portions B and C cannot
be discriminated.
4-3. Viewfinder System Adjustment
5
1
RV3
RV4
RV5
RV9 RV8
TP5
CN2
TP4
CN5
RV1
RV2
TP1
CN1
TP2
RV6 RV10 RV7
TP3
CN4
E1
VF-60 BOARD (A SIDE)