Integra DTR-7.8 Service Manual page 34

A
QQ
3 7 63 1515 0
SCHEMATIC DIAGRAMS-9 (SD-9)
DAC SECTION
1
RS232
IN 1
COAXIAL IN 2
IN 3
2
OPTICAL
TE
L 13942296513
3
4
www
5
<Note>
SD-x:XY is short for Shcematic Diagram-x and
each socket's location, X=A to H, Y=1 to 5.
.
<Note>
1. Refer to SCHEMATIC DIAGRAM-18 (SD-18)
for digital audio signal flow wave forms.
2.
WF01 is short for WaveForm01 .
http://www.xiaoyu163.com
NADG-9074
U27
5
R3031 10K
330
9
C3031 1/50
R3032
4
C3032 1/50
8
R3036
3
C3033 1/50
7
330
2
C3034 1/50
6
1
C3037
104Z
R3025 RS232 TRANCEIVER
220
RI
P3002
LBC2518T2R2M
10
R3011 L3011 C3012
C3011 104K
R3012
75
101J
C3014
75
R3016
101J C3015
COAX2
R3015 L3012 10 104K
LBC2518T2R2M
LBC2518T2R2M
R3019 L3013
10 C3018
C3017 104K R3021
R3020
75
101J
220K
GP1FAV51RKF5
U3001
C3001 WF01
3
VCC
2 OPT1
IN 1 GND
104Z OPT2
1 47
IN
R3001
U3002
C3002
3
VCC
2
IN 2
GND
104Z
R3002
1
IN
47
GP1FAV51RKF5
R3004
3
IN
220
LBC2518T470M
C3004 C3006
2
OUT
VCC
104Z
1
GND
100/16
U3004
GP1FAV51TKBF
C3052
102K
C3053
223K
C3054
104Z
C3059
470/10
C3073 104Z
TC7WU04FU Q3071
8
1
VD
2 7
3 6
4 5
GND
R3071 1M
X3071
24.576MHz
C3082
R3087
ADL-
R3085 10K
56 47/25
R3086 C3081
ADL+
56 47/25
Q3081:B
NE5532APSR
R3097 C3092
ADR-
R3095 10K
56 47/25
Q3082:B
R3096 C3091
ADR+
56 47/25
NE5532APSR
x ao
y
i
http://www.xiaoyu163.com
B
8
DAC PC BOARD
10K
R3037
1 16 LBC2518T470M
EN FORCEOFF +3.3V
L3031
2 15
C1+ VCC
3 14
V+ GND
4 13
C1- T1OUT
R3035
5 12
C2+
FORCEON
6 11 10K
C2- T1IN
7 10 330 R3034
V- INVALID
8 9
R1IN R1OUT
330 R3033
Q3031
ICL3221E
COAX1
COAX3
TC74HCU04AF
R3022 10K 14 1
VCC
C3019 080D
13 2
Q3021
IN6
12 3
OUT6
R3014 10K
R3018 11 4
IN5
10K
10 5
OUT5
9 6 C3013 080D
IN4
8 7
C3016
OUT4 GND
080D
WF02
C3021 104Z
100/16
C3022
L3021
LBC2518T470M
L3002
1 16
SELECT VCC
2 15 LBC2518T470M
1A ST
3 14 COAX_1
1B 4A
4 13
1Y 4B
5 12 COAX1/COAX2
2A 4Y
6 11
2B 3A
7 10 HDMISPF
2Y 3B
8 9 COAX3/HDMISPF
GND 3Y
Q3001
TC74VHC157FT
L3001
Q Q
+5.0V
L3043
3 6 7 1 3
LBC2518T4R7M
33 16
AOUTA2- AINL-
34 C3045
15
AOUTB1- AINL+
35 14
AOUTB1+ AINR+
36 13 222J
AOUTA1+ Q3041 AINR-
37 R3047 220
12
AOUTA1- _RST
38 CS42516-CQ 11 R3046 47
MUTEC INT1
1.5K
39 10 R3045 1K
DIR & CODEC
LPFLT CS/AD0
40 9 R3043 1K
R3050
AGND2 CDIN/AD1
41 8 R3042 47
VARX
CDOUT/SAD
42 7 R3041 1K
RXP7/GP7 CCLK/SCL
43 6
RXP6/GP6 VLC
C3044 104Z
44 5
RXP5/GP5
DGND1
45
4
RXP4/GP4 VD1
46 3
RXP3/GP3
CX_LRCK
47 2
RXP2/GP2
CX_SCLK
48
1
RXP1/GP1
CX_SDIN1
+3.3V
+5.0V
+3.3V
BCK_DIR
L3072
R3061 47 LRCK_DIR
LM182 MCK_DIR
SDOUT_DIR
SPFOUT
L3071
LBC2518T470M
WF03
WF04 WF05
R3082 10K
R3083 10K
R3084
6 2 R3081
7 10K
1
10K
5 3
Q3081:A
NE5532APSR
R3092 10K
R3093 10K
R3098
+OP6
R3094
R3091
6 2
390
7 1
10K 10K
5 3
Q3082:A
R3099
NE5532APSR
-OP6
390
u163
.
C
2 9 9 4 2 8
FTXD
FRXD
HDPCMSW 30
DSP3RST 29
DSDRCSW 28
RI
DSP3INT 27
DIRSW 26
DSP2RST 25
DSDDISW 24
DSP2INT 23
DEC 22
DSP1RST 21
NIC 20
DSP1INT 19
MEQMUT 18
DSP3CS 17
16
DSP2CS 15
14
DSP1CS 13
12
+5VSW 11
10
HDMISPF 9
SPDIFSW 8
GNDDAC 7
SPFOUT 6
GNDDAC 5
GNDDSP2 4
+3.3VSPA 3
C3069
GNDDSP2 2
1
104Z
OPTF
NETSPDIF
SPFOUT
MCK_DIR 30
BCK_DIR 29
1 5 0 5 8 2 9 9 4
SDOUT_DIR 28
LRCK_DIR 27
GNDDSP 26
ADL- DIGCLK 25
24
DATA_SUR/DSDSL
ADL+ DIGSDO 23
ADR+ LRCK4/DSDSR 22
R3048 GNDDSP 21
3.9K
ADR- DATA_CSW/DSDC 20
DIRRST DIGSDI 19
DIRINT LRCK4/DSDSW 18
DIRCS +3.3VDG 17
DIGSDO MCK/DSDCLK 16
DIGSDI GNDDSP 15
DIGCLK BCK4/GND 14
GNDDSP 13
DATA_F/DSDFL 12
+2.5VDSP1 11
C3043 LRCK4/DSDFR 10
104Z +2.5VDSP1 9
DATA_SB/DSDSBL 8
+3.3VDSP 7
+5.0V
LRCK4/DSDSBR 6
+3.3VDSP 5
DATA_CR/GND 4
+2.5VDSP23 3
LRCK4/GND 2
+2.5VDSP23 1
C3065
104Z
WF06
WF08
+14.4V
-14.4V
m
co
DTR-7.8
D
9 9
R3782-3788
220/10
:330
C3781
1 ZEROL
VC
10K
2 ZEROR
AG
R3781
3 MSEL
O
LRCK4/GND 4 LRCK
R3782
O
DATA_CR/GND R3783 5 DATA
AG
BCK4/GND R3784 6 BCK
V
MCK/DSDCLK R3785 7 SCK
VC
8 DGND
VC
9 VDD
DAC1CS R3786 10 MS
AG
DIGSDO R3787 11 MDI
O
DIGCLK R3788 12 MC
OU
DIGSDI R3789 13 MDO
AGN
DACRST 47 14 RST
VC
R3790
330
2 CH DA
+3.3V
R3762-3768: 330
C3761
1 ZEROL
220/10
VC
2 ZEROR
10K
AGN
R3761 3 MSEL
O
LRCK4/DSDSBR R3762 4 LRCK
O
DATA_SB/DSDSBL R3763 5 DATA
AG
BCK4/GND R3764 6 BCK
V
MCK/DSDCLK R3765 7 SCK
VC
8 DGND
VC
9 VDD
DAC2CS R3766 10 MS
AG
DIGSDO R3767 11 MDI
O
DIGCLK R3768 12 MC
OU
DIGSDI R3769 13 MDO
AGN
47 14 RST
DACRST
VC
R3770 330
2 CH DA
+3.3V
R3742-3748: 330
1 ZEROL
VC
10K 2 ZEROR
AGN
R3741
3 MSEL
O
LRCK4/DSDSR R3742 4 LRCK
O
DATA_SUR/DSDSL R3743 5 DATA
AG
BCK4/GND R3744 6 BCK
V
MCK/DSDCLK 7 SCK
R3745
VC
8 DGND
VC
9 VDD
DAC1CS 10 MS
R3746
AG
DIGSDO R3747 11 MDI
O
DIGCLK R3748 12 MC
OU
DIGSDI R3749 13 MDO
AGN
DACRST 47 14 RST
VC
R3750 330
2 CH DA
2 8 9 9
+3.3V
R3722-3728: 330
C3721
1 ZEROL
220/10
VC
2 ZEROR
10K
AGN
R3721
3 MSEL
O
LRCK4/DSDSW R3722 4 LRCK
O
DATA_CSW/DSDC R3723 5 DATA
AG
6 BCK
BCK4/GND R3724
V
MCK/DSDCLK R3725 7 SCK
VC
8 DGND
VC
9 VDD
DAC1CS R3726 10 MS
AG
DIGSDO R3727 11 MDI
OU
DIGCLK R3728 12 MC
OU
DIGSDI R3729 13 MDO
AGN
47
DACRST 14 RST
VC
R3730 330
2 CH DA
+3.3V
R3702-3708
:330
WF07
1 ZEROL
VC
2 ZEROR
10K
AGN
R3701 3 MSEL
O
LRCK4/DSDFR R3702 4 LRCK
O
DATA_F/DSDFL R3703 5 DATA
AG
BCK4/GND R3704 6 BCK
V
MCK/DSDCLK 7 SCK
VC
R3705 8 DGND
VC
9 VDD
DAC1CS R3706 10 MS
AG
DIGSDO R3707 11 MDI
O
DIGCLK R3708 12 MC
OU
DIGSDI
R3709 13 MDO
AGN
DACRST 47 14 RST
VC
R3710
330
2 CH DA
+3.3VDG
+3.3V
P3101A
TO NAETC-9056
SD-7:C5