Sanyo DC-C70 - Amplifier)

IC BLOCK DIAGRAM& DESCRIPTION
IC362 TC4011 BF (NAND Gate)
VDD A4 04 X4 X3 B3 A3
~
Al B1 Xl X2 B2
M
Vss
IC371 TA8189N (Pre-Amplifier for Tape Deck)
Mdal % TaPA/
Ru
W OUT WTTaPDB
*C
CG WT
NF
%’
1
K
ch2/B 23
/ l_>lvl~ 1 -
ch2/A 2A
!~
;-J
chl /A 1
.
Ch’
chl/B 2
.k
I .1.--1. --1-- I
11.1
~“; WE “’
I%@
14 R@cIN
13 ALC
. ---—————
1
ALC
h
12 GNo
T r’ Q
11 Rcc IN
MIN hl
IC602 NJM4558M (Operation Amplifier)
IC363 BA7755A (Head Switch)
Vcc S\~& GND CTRL2 CTRL1
IC425 NJM7805FA (3-Terminal Voltage Regulator)
IC604, IC605 BU2090F (12bit Serial Parallel Converter)
Vss VDD
A OUTPUT
A -INPUT
A +INPUT
VEE(-)
I?21
1
8
A
-+
2
7
B
+-
3 6
4 5
Vcc(+)
B OUTPUT
B -INPUT
B +INPUT
I
No<
1
2
3
4
5
6
7
8
9
10
11
12
13
14
DATA
CLOCK
PinName Por2Name
Function
Vss
Vss Ground
DATA
D-OUT Datainput
CLOCK EX2-CLK Clockinput
Qo
VF-KB output
forVocalfadercontrol
Q1
VF-KC
Output for Vocal fader control
02
SOUND-2 Output for Surround LS1 control
Cx3
SOUND-1
Output for Surround LS2 control
Q4
LED-O POPS LED (L=ON)
C5
LED-1 ROCK LED (L-ON)
Q6
LED-2 CLASSIC LED (L-ON)
Q7
LED-3 JAZZ LED (L=ON)
C8
LED-4 CD Function LED (L=ON)
Q9
LED5 Tap Function LED (L-ON)
Q1O
LED-6 Tuner Function LED (L-ON)
15 I
Qll ‘1 LED-7 Ivideo Function LED (L-ON)
16 I
VDD VDD lPower supply
I
-22-