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2-2. MD-111 Board Adjustment
2-3. TR-92 Board Adjustment
2-2-10. 67.5 MHz TRAP Adjustment
Notes :
• This adjustment is necessary only when replacing 1FL8
on the MD-111 board.
• Use a plastic core driver to adjust 1FL.
Equipment : Spectrum analyzer
Preparation :
• Setting of MSU-700 operation panel (Refer to section 2-1-4)
Test Point
: Pin 3 (GND:E101/MD-111)
/extension board : EX-108
Adjustment Point : 1FL8 (67.5 MHz TRAP)
/MD-111 (C-2)
Adjustment Procedure:
Adjust 1FL8 so that the signal level around 67.5 MHz is
minimum.
CENT FREQ
SPAN
RV303
RV203
FL4
E201
TP202
E101
S402
PAL
RV411
NTSC
FL8
TP403
RV401
TP401
TP402
MD-111 board (A side )
2-10(E)
minimum
67.5 MHz
2.0 MHz
OFF
S3
ON
OFF
S2
ON
OFF
S1
ON
RV101
TP101
TP702
TP701
RV102
TP703
E701
RV103
FL7
TP102
E401
2-3. TR-92 Board Adjustment
This adjustment requires longer warm-up periods (10 to 30
minutes).
2-3-1. MIC RF Adjustment
Note :
• Use a plastic core driver to adjust 1LV.
Equipment
: Frequency counter
Test Point
: TP600/TR-92 (C-1)
Adjustment Point : 1LV600 (6.2 MHz)/TR-92 (C-2)
: 6,200 ±5 kHz
Specification
E80
TP80
E50
TP50
TP100
TP200
TP20
FL20
LV600
TP600
E600
LV400
TP400
E400
E850
LV850
TP850
TR-92 board (A side )
LV80
TP703
LV50
E100
E701
E200
RV600
RV400
BKP-590
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