Njm5532; Njm4558D; Tc9273; Lc4966 - NAD T 752 Service Manual

NJM5532

DSP BOARD: U1010~U1013, U1023 & U1025
MULTI-CHANNEL: U605~U608
PRE-OUT BOARD: U609~U612

NJM4558D

SURROUND AMP BOARD: U801

TC9273

AUDIO BOARD: U301
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11

LC4966

AUDIO BOARD: U302 & U303
COMPOSITE VIDEO: U4201
S-VIDEO BOARD: U4104
MULTI-CHANNEL: U604
1
A
- +
2
3
4
VSS
1
2
3
4
5
6
7
8
9
10
11
12
LEVEL SHIFT + SHIFT REGISTER
CIRCUIT
13 14
GND CK
CONT CONT
VDD A D IN/OUT
14 13 12
SW SW
A D
1
2 3
IN/OUT OUT/IN OUT/IN IN/OUT
SW A SW B
39
8
7
B
+ -
6
5
VDD
28
27
26
25
(R-ch)
24
10bit
(L-ch)
Latch
23
10bit
Circuit
Latch 22
(Same
Circuit
21
as L-ch
Circuit)
20
19
18
17
15 16
DATA STB
SW D SW C
OUT/IN OUT/IN IN/OUT
11 10 9 8
SW SW
B C
4 5 6 7
CONT CONT VSS
B C
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11