Overall Characteristics Check - Sony WRR-801A Service Manual
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Also See for WRR-801A:
- Operating instructions manual (44 pages) ,
- Operating instructions manual (16 pages) ,
- Operating instructions manual (52 pages)
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3-2-2. Overall Characteristics Check
Perform the overall characteristics check according to the
following procedure.
Procedure
1. Output level check
↓
2. S/N check
↓
3. Frequency characteristic check
↓
4. Distortion check
↓
5. RF Level indicator/RF indicator check
↓
6. AF Level indicator/AF indicator check
↓
7. Muting level check
↓
8. BATT indicator check
↓
9. Tone squelch check
↓
10. DC + 9 V OUT voltage check
Equipment and Tools
. Signal generator
. Audio analyzer
. Mic amp (Noise mete) with A-weighted filter
. Function generator
. Oscilloscope
. DC current meter
. DC cut fixture (See "How to make DC cut fixture" on
page 3-1.)
3-8
Connection
Signal
TUNER
generator
OUTPUT 1
DC cut fixture
ANTENNA
A IN
Function
generator
1
2
Tuner
Audio
MIC amp
analyzer
600 Z
balance
input
Oscilloscope
DC cut fixture
ANTENNA B IN
WRR-801A
3
4
5
6
WRU-801A
WRR-801A
WRU-801A
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