Ic Block Diagram - Onkyo T-405TX Service Manual

30 29 28
REGULATOR
AM
ALC
MIX
AM RF AMP
OSC
BUFFER
SD
COMP
FM AM/FM
S-CURVE
S-METER IF-BUFF
FM
FM IF
DET
1 2 3

IC BLOCK DIAGRAM

Q103:LA1837
27 26 25 24
AM
AGC
AMIF
DET
AM
S-METER
STEREO
TUNING
DRIVER
DRIVER
GND
4 5 6 7
23 22 21 20
3rd
6th
DECODER
ANTI-BIRDIE
STEREO
PHASE
SWITCH
DET
VCO
F.F
304kHz
VCC
8 9 10 11
T-405TX
19 18 17 16
MUTE
PILOT
F.F
F.F
DET
12 13 14 15