SERVICE MANUAL
Table 18 Operating Voltage of TMPA8801PSBNG (N201)’s Pins
1
2 3 4 5 6
5V 5V 5.2V GND 5V 2.3V
7 8 9 10 11 12
2.3V GND 5V GND GND 1V
13 14 15 16 17 18
1.6V 6V 4.2V 4.8V 8.4V 2.0V
19 20 21 22 23 24
2.4V 2.4V 2.4V GND 0V 2.3V
25 26 27 28 29 30
3.4V
2.4V 4.8V 3.5V 9V 5V
31 32 33 34 35 36
1.8V
4.4V 2.8V 2.2V 2.5V 5V
37 38 39 40 41 42
2.2V 4.4V 4.2V GND 1.7V 1.7V
43 44 45 46 47 48
4.2V 5V 1.2V 1.8V 2.5V GND
49 50 51 52 53 54
9V 2.5V 2.5V 2.5V GND
GND
55 56 57 58 59 60
5V 0V 5V 5V 5V 4.9V
61 62 63 64
4.1V 5V 5V 0V
Table 19 Functions and Service Data of LA78040/78041 Pins
GDM8145 Multimeter
Ground Resistance (K
Ω
)
Pin No.
Function Description
Voltage of
Pin (V)
Measure with red probe
while grounding black
probe.
Measure with black probe
while grounding red
probe.
1
Ground
0 0
0
2
Vertical output terminal
9.73 0.58
0.58
3 Pump supply voltage input
24.88
∞
∞
4 In-phase input terminal
2.22 1.30
1.30
5 Inverting input terminal
2.22 4.58
4.55
6 Supply voltage
24.13 1.55
1.55
7
Pump supply voltage output/vertical
flyback pulse output
2.61 7.09
5.93
59
Summary of Contents for 21E88
Page 25: ...SERVICE MANUAL CONTROL BUTTONS 1 CONTROL BUTTONS Fig Fig 5 Front panel 23 Fig 6 Rear panel ...
Page 36: ...SERVICE MANUAL 3 Block Diagram for TMPA8801 Fig 13 34 ...
Page 37: ...SERVICE MANUAL 4 Block Diagram for TMPA8807 Fig 14 35 ...
Page 51: ...SERVICE MANUAL 3 Block Diagram Fig 22 Block Diagram 49 ...
Page 63: ...CIRCUIT DIAGRAM FOR 21E88 ...
Page 66: ...PRINTED CIRCUIT BOARD DIAGRAM 1 ...
Page 67: ...PRINTED CIRCUIT BOARD DIAGRAMS 2 ...
Page 68: ...PRINTED CIRCUIT BOARD DIAGRAMS 3 JUC7 820 820 ...