Pro-720Hd Pro-620Hd Pro-520Hd; Adjustment - Pioneer PRO-720HD Service Manual

PRO-720HD, PRO-620HD, PRO-520HD

6. ADJUSTMENT

6.1 INTRODUCTION
• IMPORTANT
When replacement of the following assemblies are required during repairs, be sure to replace the EEPROMs with the mounted ones in order to
retain the adjustment data of the unit and to facilitate adjustment after the replacement of the assemblies.
Name of Assy
SIGNAL Assy IC2454 [24LC32(I)P]
DIGITAL CONV. Assy IC1410 [24LC128P]
IC1656 [24LC08B(I)P]
Notes:
• Even if the EEPROMs are replaced, adjustment may be necessary, depending on the part or assembly to be replaced.
For details, see page 186.
• Even if the EEPROMs are replaced, if the EEPROMs are damaged or if their data have been changed from the adjustment data, the status
before the failure will not be restored. Check the status of the unit after replacement of the EEPROMs, and readjust if necessary.
6.2 JIGS AND MEASURING INSTRUMENTS
TV CBL VCR DVD
TV /SAT /LD
/DTV
TV
INPUT
1 2 3 4
SPLIT SEARCH SELECT
SCREEN SUB CH
MODE ANT FREEZE
DISPLAY
1 2 3
4 5 6
7 8 9
0 CH
ENTER
¢
CH
RETURN
CH VOL
MUTING
4
EDIT/ TV/SAT/DVD DTV/DVD TOP
LEARN MENU MENU
SOURCE DTV/SAT
5
POWER GUIDE
2 SET/ 3
ENTER
DTV/(SAT)
8
∞ INFO
FAVORITE CH VCR REC
1 7 3 ¡
RECEIVER
INPUT VOL VOL
Î
HDTV PROJECTION MONITOR
Remote control unit
AXD1458
D. DC Voltmeter
Frequency counter
184
EEPROM
Adjustment data, such as W/B and color data, in FACTORY mode
User data set on the MENU
Convergence adjustment data
Convergence offset data
Screwdriver
LD Player
For HD Signal generator
Main Contents of Memory
Adjustment screwdriver
Monoscope
Color bar generator
Dual-trace oscilloscope