Ic Block Diagrams - Sony TL-HP90 Service Manual

• IC BLOCK DIAGRAMS

IC101 TEA1112AT/C1.518
VCC GAR QR
16 15 14
CURRENT
REFERENCE
LOW
VOLTAGE
CIRCUIT
LED
DRIVER
1 2
LN SLPE
IC102 NJM2149V-TE2
VEE MIC+ MIC- AGC
13 12 11 10
AGC
CIRCUIT
MICRO
MUTE
ATT
3 4 5 6
LED REG GAS MMUTE OTMF
IR
9
7 8
MUTE
IC201 DBL5002
OUT HFI
8 7
AMP
POWER
SUPPLY
1 2
VCC RSL
HFO GND
6 5
HIGH
OSC
LOW OSC
3 4
LFI LFO
TL-HP90
11