1-25
BVW-55
DM-121 Board
Switches
n
Do not change settings of the factory-use switches.
Ref.No. Switch name Description Factory setting
S101 Y EQ TEST Test signal connection switch for Y RF LPF&EQ adjustment See illustration
In adjusting, input the test signal to TP104 (GND to E102) with
S101 set to TEST (see illustration) position
S301 C EQ TEST Test signal connection switch for C RF LPF&EQ adjustment See illustration
In adjusting, input the test signal to TP304 (GND to E302) with
S301 set to TEST (see illustration) position
S501 Factory use OFF
S901-1 ADJ Use for RF EQ adjustment. OFF
OFF: Normal mode
ON: Adjustment/Test mode
S901-2 Factory use OFF
S901-3 AGC OFF Turns on and off the AGC function during RF EQ adjustment OFF
OFF: Normal mode (AGC is turned on)
ON: AGC is turned off
S901-4 Factory use OFF
1-9. Settings for Internal Switches/Slit Lands
ABCDEFGHJKLMNP
1
2
3
4
5
6
7
S101
S501
S901
ON
1
2
3
4
S1701 S1801
S301
DM-121 Board (Side B)
E102
E302
TP104
TP304
ON
ON
1234
12345678
Factory-set
Factory-set
TEST
Factory-set
TEST
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