Electrical Adjustment Procedures; Test Equipment; How To Read The Adjustment Procedures - Panasonic Quasar Omnivision PV-M1326 Service Manual

C. ELECTRICAL ADJUSTMENT PROCEDURES

1. TEST EQUIPMENT

To do all of these electrical adjustments, the following equipment
is required.
1. Dual-Trace Oscilloscope
Voltage Range : 0.001~50V/Div.
Frequency Range : DC~50MHz
Probes : 10:1, 1:1
2. NTSC Video Pattern Generator
3. DVM(Digital Volt Meter)
Voltage Range : 0.01~50V
4. Plastic Tip Driver and Non-Metal Driver
5. Isolation Transformer (Variable)
6. VHS Alignment Tape (VFMS0001H6)
7. White Pattern Generator
8. White Balance Meter
9. MTS/SAP Signal Generator
(TV Multi-Channel Sound Modulator (U.S.A.))
Video Blank Monoscope
Audio Blank 6kHz(MONO)
Fig. E1
Color Bars Multi-Burst
3kHz(STEREO) 1kHz(MONO)
2-30
2. HOW TO READ THE ADJUSTMENT
PROCEDURES
Connecting Point
example using:SP SELF-RECORDING
(Test Point) of
Measuring Equipment
Record the VIDEO Signal and play back
the portion just recorded
Adjustment
component
TP ADJ. MODE
SP SELF-
TP2003
R2019
RECORDING
TP3010
AND PLAYBACK
TAPE M. EQ.
ALIGNMENT
OSCILLOSCOPE
TAPE
(VFMS0001H6)
Tape needed
for adjustment
Measuring
Example:VFMS0001H6
Equipment
Use alignment tape
VFMS0001H6
Fig. E2
CH1: TP2005
5V 5V
2
1 3
1. Connecting Point
3. Volts/DIV
5. Time/DIV
Fig. E3
VCR mode
AND PLAYBACK
Supply a Video
Signal to the VIDEO INPUT
on the rear panel or tune
in a local on-air TV program
INPUT
(VIDEO IN)
VIDEO SIGNAL
SPEC.
T=6±1H
Specification
for Adjustment
CH1
CH2
CH2: TP2006
5ms 1
6
4 5
2. Volts/DIV
4. Connecting Point
6. Trigger Channel of
the Scope
1 : CH1
2 : CH2