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Aiwa HD-S1 Service Manual page 10

Digital audio tape recorder
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BLOCK
DIAGRAM — 1 (iC COMPOSITION)
ICcl
HAI2133MP
HA!I2062AMP
REC:Pre
EQ
DATA
STROBE
[C5
IC6
TC74HCI63A
TC74HC40534
FREQUENCY
aeaven
SWITCHING
Ic3
SN74LS624NS
vco
Ic 4
TC74HCU04
BUFFER
DIGITAL
IN/OUT
I1c2
NJM2Q02M
e
FG-PG AMP
HD4q9212
HD49211BFS
HM65256 BFP
—I5T
SERVO
IC
SIGNAL
PROCESSOR
IC
P-SRAM
a,
TA7745F
GARSTON
MOTOR DRIVER
I1c9
MI
NJM2902M
ADDER
1C
14
HLPD75IO8GF - J96
SAA7320GP
Icis
LBI63 IM
MOTOR
DRIVER
SYSTEM
CONTROL
IC
M2
ICI7
LC7582A
LCD
DRIVER
Ic]
MN 86081
A/D.
CONVERTER
(L-CH)
NJM2100M
LINE
AMP
MN8608I
A/C
CONVERTER
Ics
1c2
(R-CH)
NJM2904M
'
Vref
ac
D/A
CONVERTER
TC74HC74A
FLIP-FLOP
FOR CLOCK
NJIM3414M
HP AMP
HP OUT
ste
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