Sanyo VM-EX400P User Manual

2-11. VIEWFINDER CIRCUIT (For VM-EX550P/560P)
L-
lFl BOARDI
VR981
IVR$1751V6972 \
VR985 VR974
CN973 @ and CN973 @
are located on the reverse
side of the VF1 board.
VR973 VR980
1. LCD Common Voltage Adjustment
Measuring Point
Measuring Equipment
Condition
CN973 @ (+),
Digital voltmeter
CAMERA EE
@)(GND)
Input Signal / Alignment Tape
—
ADJ. Location I
ADJ. /
Check Value
Preparation:
● POWER switch: “ON”
● Power mode button: “CAMERA
Adjustment:
1. Adjust with VR985 to 5.6 f 0.05 VDC.
2.
PLL Lock Adjustment
Meaauring Point
Meaauring Equipment Condition
viewfinder
stop
Input Signal / Alignment Tape
Monoscope signal (Connect to the
VIDEO IN terminal)
I
ADJ. Location ADJ. / Check Value
I/R971
—
Horizontal size scale
3. Black Level Limit Adjustment
Measuring Point
Meaauring Equipment Condition
CN973 @ ,
Oscilloscope
stop
@(GND)
Input Signal / Alignment Tape
ADJ. Location ADJ. / Check Value
VR972 2.0 i 0.1 v
Preparation:
● POWER switch: “ON”
● Power mode button: “PIAYER”
Adjustment:
1. Adjust with VR972 so that the SYNC tip level becomes
2.0 * 0.1 v.
t’--’’+ t’--
4
+
2.0 t 0.1 v
4.
Brightness Adjustment
Measuring Point I Meaauring Equipment I
Condition
CN973@, IOscilloscope
I STOP
3 (GND)
I
Subject
ADJ. Location I ADJ. / Check Value
VR980 12.2 k 0.1 v
Preparation:
● POWER switch: “ON”
● Power mode button: “PIAYER”
● AV lN/OUT switch: “IN”
Adjustment:
1. Turn VR971 to center the picture
scale of the monoscope signal.
Preparation:
● POWER switch: “ON”
● Power mode button: “PLAYER”
Adjustment:
1.
Adjust with VR980 so that the pedestal level becomes 2.2
f 0.1 v,
on the horizontal size
–23–

Sanyo VM-EX400P Specifications

General

Brand	Sanyo
Model	VM-EX400P
Category	Camcorder
Language	English