Remarks:
1. The Power Circuit contains a circuit area which uses a separate power supply to isolate the
earth connection.
The circuit is defined by HOT and COLD indications in the schematic diagram. Take the
follwing precautions.
All circuits, except the Power Circuit, are cold.
Precautions
a. Do not touch the hot part or the hot and cold parts at the same time or you may
be shocked.
b. Do not short- circuit the hot and cold circuits or a fuse may blow and parts may
break.
c. Do not connect an instrument, such as an oscilloscope, to the hot and cold
circuits simultaneously or a fuse may blow.
Connect the earth of instruments to the earth connection of the circuit being
measured.
d. Make sure to disconnect the power plug before removing the chassis.
2. Following diodes are interchangeable.
MA150- MA162 (Replacement part)
TH-42PA20B/E
Schematic Diagram Notes
Summary of Contents for TH-37PA20AA
Page 20: ...4 TH 37PA20AA TH 37PA20FA TH 37PA20HA TH 37PA20MA TH 37PA20RA ...
Page 30: ...6 Mechanical Replacement Parts List 10 ...
Page 68: ...R483 ERG2FJS104D M 100KOHM J 2W 1 48 ...
Page 71: ...R1061 ERJ3GEYJ223 M 22KOHM J 1 16W 1 51 ...
Page 107: ...6 Mechanical Replacement Parts List 9 ...
Page 110: ...7 2 Electrical Replacement Parts List 12 ...
Page 144: ...R408 ERJ6GEYJ6R8 M 6 8 OHM J 1 10W 1 46 ...
Page 148: ...R1075 ERJ3GEYJ102 M 1KOHM J 1 16W 1 50 ...
Page 172: ...S300 K0F162B00002 SWITCH 1 74 ...
Page 287: ...2 Service Hint 7 TH 42PA20A TH 42PA20F TH 42PA20H TH 42PA20M TH 42PA20R ...
Page 288: ...8 TH 42PA20A TH 42PA20F TH 42PA20H TH 42PA20M TH 42PA20R ...
Page 308: ...7 3 Lead of wiring 3 ...
Page 309: ...7 4 Lead of wiring 4 ...
Page 315: ...9 3 Option Description ...
Page 316: ......
Page 317: ...10 CAT computer Aided Test mode ...
Page 330: ...17 Mechanical Replacement Parts List ...
Page 568: ...1 Applicable signals 4 TH 42PA20E TH 42PA20B ...
Page 572: ...5 Service Hint 8 TH 42PA20E TH 42PA20B ...
Page 578: ...7 Location of Lead Wiring 7 1 Lead of Wiring 1 7 2 Lead of wiring 2 14 TH 42PA20E TH 42PA20B ...
Page 579: ...7 3 Lead of wiring 3 15 TH 42PA20E TH 42PA20B ...
Page 580: ...7 4 Lead of wiring 4 7 5 Lead of wiring 5 16 TH 42PA20E TH 42PA20B ...
Page 586: ...22 TH 42PA20E TH 42PA20B ...
Page 587: ...9 3 Option Description 23 TH 42PA20E TH 42PA20B ...
Page 588: ...24 TH 42PA20E TH 42PA20B ...
Page 591: ...10 4 IIC mode structure following items value is sample data 27 TH 42PA20E TH 42PA20B ...