Technics SL-HD301 Service Manual page 22

SL-HD301 / SL-HD501
SCHEMATIC DIAGRAM-5
MAIN CIRCUIT ——pe—— :POSITIVE VOLTAGE LINE [>:CD SIGNAL LINE
F=75Hz
IC409
TC74HCT7007A
3.3V TO 5V
CONVERTER
AIC400
UPC29M33T
REGULATOR
E
F
G
H
St
83
\
AQ405
2SD2137PQTA
REGULATOR
ov __7.8V
AIC401
3 aa fh IC402
98 TOTX178
35 TRANSMISSION
a MODULE
eV (3) INPUT
= aes
ve OPTICAL
ese
28
Over
Tour
sof ash (1) GND
<$
Araat
L402 1/6WO.22 ?
aT ee, E401
JK401
NG
A (2) CD REQ
p CE lee
(5) +B(10V)
(6) D.GND
: cee peor)
B (8) DATA
oo (9) NC ToTLUNER
$3 SINC MANE CIRCUIT
Ras OFT SNC CSSSETTE DECK
- = = E 3) NC MANE CIRCUIT
xo ex G3) TA.GND
set 28 g)NC
(5) NC
=> (16) Reh OUT
A = => => (18) Leh OUT
om ay [| as CLK SPD
33 28
oe za
22