akira CT-21XF9, Service Manual

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42
Model No: CT-21XF9A
Version 1.0
Digital multimeter (GDM8145)
Resistance for GND
(R x 200KÙ)
Pin Symbol Quiescent
state (V) Dynamic
state (V)
Red pen
measure
Black
pen
measure
41 XTAL 0.39 0.66 37.24 13.93
42 XTAL 0.01 0.37 41.81 13.93
43 RESET 0.01 0.01 14.47
44 VDDS 0.01 0.01 18.63 10.02
45 POWER-UP 0.02 0.01 24.86 13.03
46 DSR 0.01 0.03 24.79 13.13
47 0/30 0.02 0.01 25.97 12.96
48 LCB 0.01 0.03 24.42 12.65
49 SCL2 0.01 1.08 21.07 11.80
50 SDA2 0.01 1.08 20.58 11.70
51 TIME 0.02 0.01 24.00 12.68
52 RESERVED 0.02 0.02 25.01 12.78
10. Voltage data of pin for main audion
Position
Pin
V00 V10 V20 V20 V20 V20 V30 V30 V30 V30 V50 V50
Ub(v) 0.4 1.8 1.2 4.4 1.9 3.2 4.9 0 2.5 -2.5 0.3 2.1
Uc(v) 3.5 11.5 0 6.6 0 6.6 11.5 11.5 11.5 8.4 15.2 125
Ue(v) 0 1.1 1.9 3.6 2.5 2.9 4.2 4.2 1.8 0 0 2.15
Position
Pin
V5.03 V602 VS01 V802 V803 V804 V805 V806 V901 V902 V903 V904 V905
Ub(v) 15.2 0.6 5.6 11.5 -0.5 -0.4 0 6.3 1.4 1.4 0 0 0.4
Uc(v) 4.5 0 15 -0.5 -0.4 290 36.5 36.5 110 110 120 4.3 0
Ue(v) 15 0 5 11.5 0 0 0 6.1 1.1 1.1 1.1 0.1 0.7