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Summary of Contents for Trio FC-756
- Page 1 T R I O Frequency Counter FC-754A FC-756 SERVICE MANUAL...
- Page 2 Fig. 1 Block Diagram...
- Page 3 Parts List of FC-754A, FC-756 Description Ref No. Parts No. A01-0198-13 Case 1 A01-0199-13 Case 2 Chassis A10-0477-21 Panel A20-0997-03 — Escutcheon B01-0064-23 Bush escutcheon B07-0105-04 — Filter B19-0187-04 BNC cord E30-1824-05 B40-0765-04 Name plate B41-0094-14 Caution plate (Power supply 2 2 0 V — 240V)
- Page 4 Line cord bushing — J61-0049-05 Cable wrapping band — K01-0061-03 Grip K21-0807-04 Knob K23-0147-04 Knob Power transformer L02-0077-05 Toggle switch S44-1006-05 2SD188 Transistor Q001 X76-1040-22 Counter amplifier unit Indicator unit X76-1050-00 Switch unit X77-1010-00 Pre-scaler unit (FC-754A) X78-1010-00 Pre-scaler unit (FC-756) X78-1020-00...
- Page 5 Parts List of X 7 8 - 1 0 1 0 - 0 0 (FC-754A) Ref. No. Parts No. Description RESISTOR Carbon R401 RD14BY2H560J 56S2 ±5% 1/2W R402 RD14BY2H220J Carbon 22S2 ±5% 1/2W Carbon 15kfi ±5% R403 1/4W RD14BB2E153J R404...
- Page 6 Ref. No. Parts No. Description M I S C E - L A N E O U S VR401 R12-0004-05 Semi-fixed resistor R92-01 50-05 Jumper resistor TH401.402 Thermister. SDT-20 Parts List of X 7 8 - 1 0 2 0 - 0 0 (FC-756) Description Ref.
- Page 7 Description Parts No. Ref. No. C A P A C I T O R CC45SL2H030D ±0.5pF C401 Ceramic C402 CC45SL2H101K lOOpF ±10% Ceramic C403 CC45SL2H220J Ceramic 22pF ±5% C404 CK45D1H332M 3300pF Ceramic ±20% C405 ~ 4 0 7 100pF CC45SL1H101K Ceramic ±10% C408...
- Page 8 Parts List of X 7 7 - 1 0 1 0 - 0 0 Description Parts No. Ref. No. Carbon resistor, 56fi ±5% 1/4W R201 PD14BB2E560J Mylar capacitor 0.1/tF 600V C90-0021-05 C201 Lead wire w/10P connector E30-0559-15 Printed circuit board J25-1328-13 S36-2026-15 Lever switch...
- Page 9 Parts List of X76-1040-22 Description Parts No. Ref. No RESISTOR RN14BK2H994F Metal film 990kfi ± 1 % 1/2W R101 1/2W RN14BK2H1012F Metal film 10.1kfi ± 1 % R102 Carbon 10fl ±5% 1/4W RD14BY2E100J R103 1/2W ± 1 % RN14BK2H904F Metal film 900k(2 R104 Metal film 111kfi 1/2W...
- Page 10 Description Ref. No. Parts No. Carbon R132 RD14BB2E182J ±5% 1/4W 1.8kl2 R133 RD14BB2E512J Carbon 5.1ki2 ±5% 1/4W R134 Carbon 10012 1/4W ±5% RD14BB2E101J R135 Carbon ±5% 1/4W RD14BB2E330J 3312 R136 RD14BB2E102J Carbon 1ki2 ±5% 1/4W Carbon R137 RD14BB2E103J 1 0kS2 + 5% 1/4W RD14BB2E102J...
- Page 11 Ref No. Parts No. Description C1 1 1 CK45D1H103M ±20% Ceramic 0 . 0 1 50WV C1 12 Electrolytic CE04W1H3R3 3.3MF CK45D1H103M Ceramic ±20% C1 13 10WV C114 CE04W1A470 Electrolytic CK45D1H103M Ceramic ±20% C1 15 0.01 10WV CE04W1A470 Electrolytic 47/xF C116 CK45D1H103M Ceramic...
- Page 12 Ref. No. Parts No. Description C143.144 CK45D1H331M Ceramic 330pF ±20% C145 CE04W1A101 Electrolytic 100MF 10WV SEMICONDUCTOR Q101 FET2SK19GR Q 1 0 2 ~ 1 0 6 Transistor 2SC387A Q107 Transistor 2SA755 Q108 Transistor 2SA733(Q) Q109 Transistor 2SD235(Y) Q110 Transistor 2SC458(C) D 1 0 1 ~ 1 0 3 Diode 1S1555 D104.105...
- Page 13 Parts No. Description Ref. No. IC124 Integrated circuit SN7474N IC125 Integrated circuit RC723T MISCELLANEOUS E02-2401-05 IC socket P101 E40-1011-05 10P connector E40-0803-05 8P connector P102 E40-0703-05 7P connector P103 E40-1211-05 12P connector P104 E40-11 1 1-05 1 1 P connector P105 E40-1216-05 12P socket...
- Page 14 PC BOARD (X78-1010-00) (FC-754A)
- Page 15 PC BOARD (X78-1020-00) (FC-756)
- Page 16 PC B O A R D (X76-1040-21)
- Page 17 PC B O A R D (X76-1050-00)
- Page 18 S C H E M A T I C D I A G R A M (FC-754A) The above schematic diagram are subject to change without notice for further improvement.
- Page 19 S C H E M A T I C D I A G R A M (FC-756) * The above schematic diagram are subject to change without notice for further improvement.
- Page 20 A p r o d u c t o f T R I O - K E N W O O D C O R P O R A T I O N 6-17 3-chome Aobadai Meguro-ku. Tokyo 153. Japan PRINTED IN J A P A N...
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