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TP5A
TP5B
PCB-MAIN (Component side)
REAR
ELECTRICAL ADJUSTMENTS
Perform only the alignments required. If proper equipment is not available, do not attempt an alignment.
PRE-ADJUSTMENT SETTINGS
• Set the PerfecTape
to “MANUAL” mode.
TEST EQUIPMENT
• Miscellaneous electrical tools
• Oscilloscope (10:1 probe unless 1:1 specified.)
ALIGNMENT TAPES
• NS1...................Part No.859C339O00
Stair step, Color Bars, RF, 1kHz audio (SP)
• NM6KE2...........Part No.859C339O90
Monoscope, 6kHz audio (SP)
• NC1KS
⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅
Part No.859C339O80
Color Bars, 1kHz audio (SP)
LOCATIONS
• NM3KE6...........Part No.859C339O50
Monoscope, 3kHz audio (EP)
• NMX.................Part No.859C568O60
Monoscope, 3kHz audio (SP)
A replacement E
2
PROM is not initialized before shipping, so the E
2
PROM must be initialized when replaced.
Initialize the E
2
PROM by following the steps below.
1. Press and hold the POWER button on the set for 8 seconds.
2. E
2
PROM initial setting is completed.
HOW TO INITIALIZE THE E
2
PROM
WHEN REPLACING IC5A0
When replacing IC5A0, be sure to press the RESET button after turning on the power.
Содержание HS-U748
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