Sanyo DC-C30 Service Manual page 22

IC BLOCK DIAGRAM& DESCRIPTION
IC363 BA7755A (Head Switch)
IC371 TA8189N (Pre-Amplifier for Tape Deck)
md
'cc s~'& GND CTRL' CTRL1
IC425 NJM7805FA (3-Terminal Voltage Regulator)
INUJ
ml
)
WWJT
IC604 BU2090F (12bit Serial Parallel Converter)
Vss VDD
DATA
CLOCK
8688888688::
Metal % Tape A/ RQC
NF OUT OUT Tape B
VCC
CG OUT NF
I
@
I
Ku
ch21A i%
id
;.:
chl 1A 1
L A rk-------l 5 'L
:"1
chllB 2
~ "
3456789 &+
I
NF Metal pm MIX GNDI M/N Rec NF
OUT OUT OUT OUT
'C#
.C
1 ~rh-!Jl .
/
12 GNo
Q
MIN
11 Roc IN
chl
,,
IC602 NJM4558M (Operation Amplifier)
A OUTPUT
A -INPUT
A +INPUT
VEE(-)
M
1
8
A
-+
2 7
B
+-
3
6
4 5
Vcc(+)
B OUTPUT
B -INPUT
B +INPUT
No. Pin
Name
Port
Name Function
I
1
vss Vss Ground
2 DATA D-OUT Data input
3 CLOCK EX2-CLK Clock input
I
41 m
I
VF-KB 10utput for Vocal fader control
I
5 Q1 VF-KC
Output for Vocal fader control
6 CT? SOUND-2 Output for Surround LS1 control
7 03 SOUND-1 Output for Surround LS2 control
81 Q4
I
LED-O IPOPS LED (L=ON)
91 @ LED-I IROCK LED (L=ON)
10 I m
I
LED-2 lr2LAssIr3 LED (L=ON)
11 I Q7
LED-3 IJAZZ LED (L= ON)
121 GE!
I
LED-4 ICD Function LED (L=ON)
131 @
LED-5 lTape Function LED (L=ON)
14 Q1O LED-6 Tuner Function LED (L=ON)
15
Q11
LED-7 Video Function LED (L=ON)
16 VDD VDD
Power supply
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