Harman Kardon AVR70 - IC Block Diagrams

38
IC BLOCK DIAGRAMS
QN04 : TA7317P
OVER LOAD PROTECTOR
POWER ON/OFF
DETECT CIRCUIT
OVER CURRENT
DETECT CIRCUIT
Q201 : LA1836
FM/ AM IF, MPX IC
6
1/0•1
(OP-IJ
QY10: TC9173 QY11 : TC9174
PORT EXPANDER
{OP•IO)
so 110-10
r----(l•f)--,---{1,1J----{1:1l----{1111 ► -------,
1/0•1
{OP·2)
1/0-3
(OM)
1/0-4
(OP-4)
110·5
(OM!
Q501 : LC7218 PLL FREQUENCY SYN"rHESIZER
OUTO Mi 6uH
PHASE DETECTOR
CHARGE PUMP
f---------t:21 POI
~--2)P02
!NO IN!
l/0.9
(OP·9)
1/0.&
(OP-8)
110•6
(OP.61
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