NAD C 730 Service Manual page 19

U202: 24C08
8
VCC
4
GND
7
WP
6
SCL
5
SDA
3
A 2
2
A 1
1
A 0
U401: TC9273N
START
STOP
LOGIC
LOAD
DEVICE
ADDRESS
COMPARATOR
R/W
ADDR/COUNTER
D
IN
D
OUT
V
SS
1
S1 2
S2 3
S3 4
S4 5
S5 6
S6 7
S7 8
S8 9
S9 10
S10 11
S11 12
LEVEL SHIFT + SHIFT RESISTER
13 14
GND CK
SERIAL
EN
CONTROL
LOGIC
COMP
LOAD INC
DATA WORD
Y DEC
V
DD
26
(L-ch) (R-ch)
10bit 10bit
Latch Latch
Circuit Circuit
(Same
as L-ch
Circuit)
CIRCUIT
15 16
DATA STB
21
H.V. PUMP/TIMING
DATA RECOVERY
EEPROM
SERIAL MUX
D /ACK
OUT
LOGIC
27 S1
26 S2
25 S3
24 S4
23 S5
22 S6
21 S7
20 S8
19 S9
18 S10
17 S11