2-8
4. TUNER ERROR CORRECTION FLOW CHART
Not available to Tuner?
Something wrong with the Tuner system?
OK
YES
IC101(6, 22)
NO
Checked the
Tuner VDD?
YES
IC801(4, 5), IC401(95), D817
NO
Checked the Tuner
VDD control?
YES
IC101(5, 10, 17, 23)
NO
Checked the
Tuner GND?
YES
IC601(15), IC401(98)
NO
Checked the E-VR
Mute control?
YES
IC101(18, 19), IC401(1, 2)
NO
Checked the
I2C data?
YES
IC101(8, 9)
NO
Checked the
Audio signal?
YES
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 ...