Sanyo DC-D5 - Page 35

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IC BLOCK DIAGRAM (TAPE DECK & MAIN
IC301 TA8189N (Dual Pre-Amplifier System
For Tape Deck)
Metal
Pre
TapeAl
Rec
NF OUT OUT law B vcc CG CW
NF
ch21B
Rec IN
ch2/A
ALC
chl 1A
GND
chl /8
Rec IN
w
I
NF Metal Pm
MIX GND1 MIN Rec
OUT our OUT
OUT
NF
-.
IC401 TA8229K (Power Amplifier)
AMPLIFIER SECTION)
IC402 TC9153AP (Electronic Volume)
,,
....
..,
IN- I
NF 1
RIPPLE [
TERMINAL
IN-2 (
NF2 (
VCC2
Vcc I
a
a
A
6 8.S.1
Ch-1
5 C4_IT-1
+
~
BIAS CIRCUIT
THERMAL CUT -OFF
PROTECTIGf4
‘i
~ POWER
GNO
I
I
PRE
GM I ~W2
IC403 LBI 433N (LED Level Meter Driver)
u! (
0s(
L- CUT
L- [N
A-W
L-IN
L-CUT
%0
%
I NH
CK
7 BIT
c=
LATCH
cm
CR
6011
+-
LATCH
L
)050
)R-OUT 1
)R-IN7
) A-GNO
)R-IN2
)R-WT 2
IC404” 405 L780SI 2 (5-Terminal Voltage Regulator)
IC409 LA3161 (2-Channel Pre-Amplifier)
Vcc
T~&
~ OUTPUT
~ OUTPUT
Giil
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