Alpine PKG-1000 - Adjustment Procedures

Adjustment Procedures
Equipment
1 Scope Tektronix TDS3032B
2 Pattern Generator
3 DVD Player
4 Wireless Headphone , Adjustment Tool
5 Multi-meter Agilent 34401
6 Counter Topward - 1220
7 Testing Fixture
8 Personal Computer
9 Power Supply ( TOPWARD 3303D )
A . IR Board Adjust : ( IR transmitter adjust ) :
Step Measure Adjust Rating Unit Description Apparatus
1.
U4
PIN8
VR1
2.30 M
HZ
1. SELECT A_CH
2. Touch U4 PIN 8, Adjust VR1
COUNTER
2.
U4
PIN12
VR3
2.80 M
HZ
1. SELECT A_CH
2. Touch U4 PIN 12, Adjust VR3
COUNTER
3.
U4
PIN8
VR2
3.20 M
HZ
1. SELECT B_CH
2. Touch U4 PIN 8, Adjust VR2
COUNTER
4
U4
PIN12
VR4
3.80 M
HZ
1. SELECT B_CH
2. Touch U4 PIN 12, Adjust VR4
COUNTER