Service Manual
Page 61
A B C D E F G H I J K L M N FUNCTION 2/3 1 A-S2000 12.5 12.5 0 0 0 0 0 0 0 0 0 2 3 4 IN L 5 CB401 Page 60 K6 to FUNCTION (1)_W3002 CB402 Page 60 K4 6 to FUNCTION (1)_W3001 7 8 9 10 -12.5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 IC410 ...to MAIN (1)_W102 FUNCTION (2) IC401-406: OP275GSR Dual bipolar/JFET, audio operational amplifier OUT A 1 -IN A 2 +IN A 3 V- 4 8 V+ 7 OUT B 6 -IN B 5 +IN B IC413: NJM2068MD-TE2 Dual operational amplifier OUT1 1 -IN1 2 +IN1 3 -VCC 4 +- +- 8... 41 L-SW-IN1 42 TEST 43 VDD 45 Zero crossing detection Latch Latch circuit Latch LLaattcchh ...
A B C D E F G H I J K L M N FUNCTION 2/3 1 A-S2000 12.5 12.5 0 0 0 0 0 0 0 0 0 2 3 4 IN L 5 CB401 Page 60 K6 to FUNCTION (1)_W3002 CB402 Page 60 K4 6 to FUNCTION (1)_W3001 7 8 9 10 -12.5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 IC410 ...to MAIN (1)_W102 FUNCTION (2) IC401-406: OP275GSR Dual bipolar/JFET, audio operational amplifier OUT A 1 -IN A 2 +IN A 3 V- 4 8 V+ 7 OUT B 6 -IN B 5 +IN B IC413: NJM2068MD-TE2 Dual operational amplifier OUT1 1 -IN1 2 +IN1 3 -VCC 4 +- +- 8... 41 L-SW-IN1 42 TEST 43 VDD 45 Zero crossing detection Latch Latch circuit Latch LLaattcchh ...