2-2
Not available to Remocon?
OK
YES
RC902, R961
YES
NO
Checked the
Remocon Sense VDD?
YES
R962, IC401(7), CN402(11)
NO
Checked the
Remocon Sense line?
1A
Not available to Volume control?
OK
YES
EV901, IC401(6, 68), CN402(14, 15)
YES
NO
Checked the
Encoder volume?
YES
IC401(31, 32), IC601(25, 26)
NO
Checked the
Volume IC control?
1B
Not available to Key control?
OK
YES
SW901 ~ SW907, SW909 ~ SW912
YES
NO
Checked the
Tact switch?
YES
IC401(15, 16), CN402(7, 8)
NO
Checked the
Key line?
1C
[OPTIONAL]
Summary of Contents for MAX220UB
Page 27: ...2 18 ...
Page 35: ...PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD 2 33 2 34 TOP VIEW BOTTOM VIEW ...
Page 36: ...2 FRONT P C BOARD 2 35 2 36 TOP VIEW BOTTOM VIEW ...
Page 37: ...2 37 2 38 ...
Page 39: ...3 3 3 4 ...