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STR-DH700
54
• IC Block Diagrams
IC551 BD3471KS2 (MAIN BOARD (3/4))
MUTE
BIAS CIRCUIT
PROTECTOR
REG
DRIVE
DRIVE
PRE
DRIVE
PRE
DRIVE
+VOUT1
-VOUT1
COMP1
NF1
IN1
GND
IN2
NF2
COMP2
-VOUT2
+VOUT2
VCC
VCC
VEE
1
2
3
4
5
6
7
8 9 10 11 12 13 14 15
IC600 IC STK350-530T-E (MAIN BOARD (1/4))
IC601 IC STK350-530T-E (MAIN BOARD (1/4))
IC602 IC STK350-530T-E (MAIN BOARD (2/4))
IC603 IC STK350-530T-E (MAIN BOARD (2/4))