Aiwa CX-BK7 Service Manual page 96

CX-BK7
IC603 NJM2156M (TE2)
20 19 18 17 16 15
+
BBE
+
+
BBE
1 2 3 4 5 6
– FRONT AMP Board –
IC001 SI-8050S-LF1101
OVER
REGULATOR CURRENT
PROTECTOR
RESET
OSC
+
–
COMPARATOR
+
–
ERROR AMP
1
IC004 SI-8033S
OVER
CURRENT
REGULATOR
PROTECTOR
RESET
ON/OFF
OSC
SOFT
COMPARATOR
START
+
–
+
–
ERROR AMP
1
96
14 13 12 11
BIAS
MACH3
7 8 9 10
LATCH
&
DRIVER
OVER HEAT
PROTECTOR
VREF
2 3 4 5
LATCH
&
DRIVER
OVER HEAT
PROTECTOR
VREF
2 3 4 5
IC905 MM1614A
5
BIAS
REFERENCE
–
+
THERMAL
SHUTDOWN
1 2 3
IC003 PQ12RF21
ASO
PROTECTION
CIRCUIT
REFERENCE
VOLTAGE
GENERATION
CIRCUIT
1 2
4
CURRENT
LIMITTER
DRIVER
OVERHEAT
PROTECTION
CIRCUIT
OUTPUT
ON/OFF
CONTROL
CIRCUIT
3 4