Samsung STR-DE1075 Service Manual page 46

STR-DE1075
IC403, 503, 603 µPC2581V (MAIN Board)
PROTECTOR
PRE
REG DRIVE
DRIVE
5
1 2 3 4
IC1101 PCM1800E/2K (DIGITAL Board)
24 23 22 21 20 19
SINGLE-END
DEFERENTIAL REFERENCE
CONVERTER
1 2 3 4
46
BIAS CIRCUIT
PRE
DRIVE
DRIVE
6 7 8 9 10 11 12
18 17
DIGITAL ∑
MODULATOR 1/64
DECIMATION
FILTER
&
LOW-CUT
DIGITAL ∑
FILTER
MODULATOR
SINGLE-END CLOCK/
DEFERENTIAL TIMING CONTROL RESET/
CONVERTER POWER CONTROL
5 6
IC751 NJM2145D (S-VIDEO Board)
VCC 1
OUT1 2
IN4 3
IN3 4
IN2 5
14 15
13
OUT3-1 6
OUT3-2 7
OUT3-3 8
16 15 14 13
SERIAL I/O
INTERFACE
&
MODE/FORMAT
CONTROL
7 8 9 10 11 12
16 GND
15 INH1
INH
14 INH2
INPUT
13 IN1
CIRCUIT
INH
12 NC
11 OUT2-1
OUTPUT
CIRCUIT
10 OUT2-2
OUTPUT
CIRCUIT
9 OUT2-3
OUTPUT
CIRCUIT