JRC JCY-1950 - 6 Schematic Diagrams (Circuit Diagrams); Recording Control Unit: NDV-1900;1950

6. SCHEMATIC DIAGRAMS (CIRCUIT DIAGRAMS)
JCY-1900
/
1950
V
DR Service Manual
75
DOC No. 7ZPNA4409
6. SCHEMATIC DIAGRAMS (CIRCUIT DIAGRAMS)
6.1. Recording Control Unit: NDV-1900/1950
RX17_A RX17_B RX18_A RX18_B
SERGE
RX1_A RX1_B TX1_A TX1_B GND1_C RX2_A RX2_B TX2_A TX2_B GND2_C RX3_A RX3_B RX4_A RX4_B RX5_A RX5_B RX6_A RX6_B
IEC 61162
-
2 C H 1/2
IEC 61162
-
1CH3
-
6
RX7_A RX7_B RX8_A RX8_B RX9_A RX9_B RX10_A RX10_B RX11_A RX11_B
IEC 61162
-
1CH7
-
11
RX12_A RX12_B RX13_A RX13_B RX14_A RX14_B RX15_A RX15_B RX16_A RX16_B
IEC 61162
-
1CH12
-
16
RX19_A RX19_B TX19_A TX19_B GND19_C RX20_A RX20_B TX20_A TX20_B GND20_C RX21_A RX21_B RX22_A RX22_B RX23_A RX23_B TX23_A TX23_B GND23_C RX24_A RX24_B TX24_A TX24_B GND24_C
IEC 61162
-
1 C H19/20
OPTION PORT CH21
-
24
1A 1C 1B 2A 2C 2B 3A 3C 3B 1+ 1- 2+ 2- 3+ 3-
DRY CONTACT OUT
DRY CONTACT IN