NAD T747 Service Manual page 33

PIN DESCRIPTION
PIN No.
Name
23,21,
FROUT,FLOUT,
17,15,
COUT,SWOUT,
11,9,
SROUT, SLOUT,
5,3
SBROUT,SBLOUT
24,20,
FRC,FLC,
18,14,
CC,SWC,
12,8,
SRC,SLC,
6,2
SBRC,SBLC
4,7,10,16,
AGND
19,22,56
TREL, TRER
28,34
26,27, BASSL1,BASSL2
32,33 BASSR1,BASSR2
30
AVCC
43,42, FRIN2, FLIN2,
41,40, SRN2,SLIN2,
39,38, SWIN2,CIN2,
37,36 SBRIN2,SBLIN2
93,94, FLIN1, FRIN1,
95,96, CIN1,SWIN1,
97,98, SLIN1,SRIN1,
99,100 SBLIN1,SBRIN1
48 DGND
49 DATA
50 CLOCK
52
AVEE
59,61,63, INL1,INL2, INL3,
65,67,69, INL4,INL5,INL6,
71,73,79 INL7,INL8,INL9
58,60,62, INR1,INR2, INR3,
64,66,68, INR4,INR5,INR6,
70,72,78 INR7,INR8,INR9
51
MUTE
44,45 SBRCIN,SBLCIN
46,47 SUBL,SUBR
54,55 ADCL, ADCR
90,91
RECR3,RECL3
75,76,
INRA/RECR1,INLA/RECL1,
81,82,
INRB/RECR2,INLB/RECL2,
83,84,
INR10/RECR4,INL10/RECL4,
85,86 INR11/RECR5,INL11/RECL5
1,13,25,29,31,
35,53,
N.C.
57,74,77,80,
87,88,89,92
Function
Output pin of FL/FR/C/SW/SL/SR/SBL/SBR channel
Connects capacitor for reducing click noise of
L/R/C/SW/SL/SR/SBL/SBR channel volume
Analog ground of internal circuit
Frequency characteristic setting pin of L/R channel tone control (Treble)
Frequency characteristic setting pin of L/R channel tone control (Bass)
Positive power supply to internal circuit
Input pin of L/R/C/SW/SL/SR/SBL/SBR channel (Multi IN 1/2)
Digital ground of internal circuit
Input pin of control data
Input pin of control clock
Negative power supply to internal circuit
Input pin of L/R channel (Input Selector)
Outside Mute Control PIN
Input pin for SBL/SBR channel Volume
Output pin for L/R channel SUB Output
Output pin for L/R channel ADC
Output pin for L/R channel REC Output
Input pin of L/R channel (Input Selector)/
Output pin for L/R channel REC Output
No Connected PIN
2-20