Table of Contents
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2-1. Preparation
2-1-3. Initial Setting
2-1-4. Adjustment Items
2-1-3. Initial Setting
When switching the following switches from a customer-
set position, it is recomended to record the setting state of
the customer in the table below.
After adjustment is complete, be sure to return the switch-
es to their customer-set position.
Board
Switch
Setting during
adjustment
DA-117
S1
ON
S2
ON
MD-117
S1
ON
S2
ON
TR-101
S1
D (DYNAMIC)
S2-2
OFF
S2-3
OFF
S2-4
OFF
S3
NORMAL
S4-1
OFF
S4-2
OFF
S4-3
OFF
S4-4
OFF
S5
MIX
S6
OFF
IF-607
S1-2
OFF
S2
ON
2-2 (E)
2-1-4. Adjustment Items
2-2.
2-2-1. Y Gain Adjustment
2-2-2. R-Y Gain Adjustment
2-2-3. B-Y Gain Adjustment
2-2-4. MIC 2 Level Adjustment
2-2-5. MIC 1 Level Adjustment
Customer-set
position
2-3.
2-3-1. Sample Pulse Adjustment
2-3-2. Y Video Level Adjustment
2-3-3. Y/SKIN DC Balance Adjustment
2-3-4. R-Y Video Level Adjustment
2-3-5. B-Y Video Level Adjustment
2-3-6. R-Y/B-Y Carrier Balance Adjustment
2-3-7. R-Y/B-Y DC Balance Adjustment
2-3-8. 45 MHz VCO Adjustment
2-4.
2-4-1. Carrier Frequency Adjustment
2-4-2. PGM/INCOM Demodulation Circuit Adjustment
2-4-3. Data Demoduration Circuit Adjustment
2-4-4. H CONT Level Adjustment
2-4-5. MIC 1 Level Adjustment
2-4-6. MIC 2 Level Adjustment
2-4-7. DYNAMIC MIC Gain Adjustment
2-4-8. Side Tone Level Adjustment
2-4-9. CHU INCOM Level Adjustment
2-4-10. CCU INCOM Demoduration Level Adjustment
2-4-11. EARPHONE Level Adjustment
2-4-12. PGM Demoduration Level Adjustment
2-4-13. INCOM LEVEL Volume Low Level Adjustment
2-4-14. INCOM LEVEL Volume High Level Adjustment
2-4-15. PGM LEVEL Volume Low Level Adjustment
2-4-16. PGM LEVEL Volume High Level Adjustment
2-5.
2-5-1. PLL Free Run Frequency Adjustment
2-5-2. Return Video Level Adjustment
DA-117 Board Adjustment
MD-117 Board Adjustment
TR-101 Board Adjustment
RX-37 Board Adjustment
CA-755/755P
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