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PIN DESCRIPTION
PIN No.
Name
Function
49
DATA
Input pin of control data
50
CLOCK
Input pin of control clock
Output pin of FL/FR/C/SW/SL/SR/SBL/SBR channel
FRIN2, FLIN2,
SRN2,SLIN2,
SWIN2,CIN2,
SBRIN2,SBLIN2
43,42,
41,40,
39,38,
37,36
Input pin of L/R/C/SW/SL/SR/SBL/SBR channel (Multi IN 1/2)
Output pin for L/R channel REC Output
Frequency characteristic setting pin of L/R channel tone control (Treble)
28,34
TREL, TRER
26,27,
32,33
23,21,
17,15,
11,9,
5,3
FROUT,FLOUT,
COUT,SWOUT,
SROUT, SLOUT,
SBROUT,SBLOUT
BASSL1,BASSL2
BASSR1,BASSR2
FLIN1, FRIN1,
CIN1,SWIN1,
SLIN1,SRIN1,
SBLIN1,SBRIN1
93,94,
95,96,
97,98,
99,100
Frequency characteristic setting pin of L/R channel tone control (Bass)
24,20,
18,14,
12,8,
6,2
FRC,FLC,
CC,SWC,
SRC,SLC,
SBRC,SBLC
Connects capacitor for reducing click noise of
L/R/C/SW/SL/SR/SBL/SBR channel volume
INL1,INL2, INL3,
INL4,INL5,INL6,
INL7,INL8,INL9
Input pin of L/R channel (Input Selector)
59,61,63,
65,67,69,
71,73,79
INR1,INR2, INR3,
INR4,INR5,INR6,
INR7,INR8,INR9
58,60,62,
64,66,68,
70,72,78
54,55
ADCL, ADCR
Output pin for L/R channel ADC
90,91
4,7,10,16,
19,22,56
AGND
Analog ground of internal circuit
30
AVCC
Positive power supply to internal circuit
48
DGND
Digital ground of internal circuit
52
AVEE
Negative power supply to internal circuit
46,47
SUBL,SUBR
Output pin for L/R channel SUB Output
RECR3,RECL3
51
MUTE
Outside Mute Control PIN
75,76,
81,82,
83,84,
85,86
INRA/RECR1,INLA/RECL1,
INRB/RECR2,INLB/RECL2,
INR10/RECR4,INL10/RECL4,
INR11/RECR5,INL11/RECL5
Input pin of L/R channel (Input Selector)/
Output pin for L/R channel REC Output
N.C.
1,13,25,29,31,
35,53,
57,74,77,80,
87,88,89,92
No Connected PIN
44,45
SBRCIN,SBLCIN
Input pin for SBL/SBR channel Volume
2-5
Содержание T 748
Страница 1: ...L A U N A M E C I V R E S AV Surround Sound Receiver T748 AV Surround Sound Receiver T748 ...
Страница 6: ...DISASSEMBLY REMOVAL OF FRONT PANEL 1 6 ...
Страница 7: ...PRINCIPAL PART LOCATION 1 7 ...
Страница 18: ...IC 211 MX29LV32DTTI 70G FLASH OF DSP 2 6 ...
Страница 19: ...2 7 ...
Страница 29: ...2 17 BLOCK DIAGRAM ...
Страница 40: ...IC 913 IC 918 TC74VCX541FT OCTAL BUS BUFFER 2 28 ...
Страница 44: ...BLOCK DIAGRAM MCU DSP PART 2 32 2 33 ...
Страница 45: ...BLOCK DIAGRAM AUDIO PART 2 34 2 35 ...
Страница 46: ...BLOCK DIAGRAM HDMI PART 2 36 2 37 ...
Страница 62: ...2 68 2 69 PRINTED CIRCUIT BOARD FRONT TOP VIEW ...
Страница 63: ...2 70 2 71 FRONT BOTTOM VIEW ...
Страница 64: ...2 72 2 73 INPUT TOP VIEW ...
Страница 65: ...2 74 2 75 INPUT BOTTOM VIEW ...
Страница 66: ...2 76 2 77 MAIN TOP VIEW ...
Страница 67: ...2 78 2 79 MAIN BOTTOM VIEW ...
Страница 68: ...2 80 2 81 SUB TOP VIEW ...
Страница 69: ...2 82 2 83 SUB BOTTOM VIEW ...
Страница 70: ...2 85 HDMI BOTTOM VIEW 2 84 HDMI TOP VIEW ...