Integra DTR-7.4 Service Manual page 16

A
SCHEMATIC
1 DIAGRAM 2
DSP and Main
microprocessor
sections
L753
+3.3V
BV33 -15VCT
470K
2
DSP2HACN"
DSP2HDOUT"
DSP2HCS"
DSPCL"
DSPD A"
N.C2
72
N.C1 71
R778 56
A9
A9 70
R777 56
A10
A10 69
D17 68
D18 67
C756
VSS7 66
VDDI 4 65
104Z
BCKO 64
LRCKO 63
KFSI O 62
DACD
R775 47
A1
SDO2 61
R774 47 DACD
SDO1 60
3 R773 A2
56
A11
A11 59
D19 58
D20 57
D21 56
C755
VSS6 55
104Z
VDDE2 54
D22 53
D23 52
MENT
D24 51
R772
56
A12
A12 50
R771
SPDI F 49
330
DACBCK
BCKI3 48
R770
DALRCK
LRCKI3 47
1K
DACBCK
BCKI2 46
R769
VSS5 45
330
D25 44
D26 43
R768
56
A13
A1342
R767 56
A14
A14 41
330
MS40
R765 DSP12SD4
SDI439
R764
BCKI1 38
DACBCK
330
37
C754
VDDI 3
104Z
4
P
479
70
470K
5
Q160
TC92 46F
102J
C165
R163
C166
R164
X160
5.6K
100
474K
B
DSPDA
DSPC L
U7
NADG-7687
GND
FLAS HDO
FLAS HBY
VCCP UP
XPOR SUBP OFF/FCL
XDACS SUBRST/FDI
XDARST CVSS
DSPDA WRESET
10K
NPOWER
R7132
DSPCL
R7131
SCL
10K
SDA
1K R7031
31 P67/TXD1
SUBP OFF/FCL
R7032
1K
32 P66/RXD1
MAINREQ
1K R7033
33 P65/CLK1
SUBRST/FDI
2.2K R7034
34 P64/~CTS1/~R T S1/~C
NET
R7035
220
35 P63/TXD0
SUBS O
2.2K R7036
36 P62/RXD0
MAIN SO
220 R7037
37 P61/CLK0
MAIN CL
R7038
1K
38 P60/CTS0/RTS0
SUBREQ
39 P57/~RDY/CLK OUT
40 P56/ALE
41 P55/~HOLD
R7042
DIRCS 330
42 P54/~HLDA
R7043
DIRPD 470
43 P53/BCLK
R7044
470
DFS
44 P52/~RD
470 R7045
DAPD
45 P51/~WRH/~BH E
VCCP UP
46 P50/~WRL/~WR
R7047
2NDPLLLOCK 470
47 P47/~CS3
R7048
2NDPLLCL 470
48 P46/~CS2
R7049
2NDPLLCS 470
49 P45/~CS1
R7050
EX2 470
50 P44/~CS0
CODE CPD
UPSMPL
DSPC L
DSPD A
330 R712 6
DSPDA"
11 Y8 GND10
R712 8
330
DSPCL"
12 Y7 A8 9
R7153
DSP1RST"
13 Y6 A7 8
R715 4
DSPP M"
14 Y5 A6 7
R715 5
DSP1GP8"
15 Y4 A5 6
R715 6
DSP1BST"
16 Y3 A4 5
R715 7
DSP1HCS"
17 Y2 A3 4
R715 8
DSP2RST"
18 Y1 A2 3
R7153~R7158:
19 G2 A1 2
330
20 VCC G1 1
R7159
330
DSP2BST"
11 Y8 GND10
R716 0
DSP2HCS"
12 Y7 A8 9
330
13 Y6 A7 8
14 Y5 A6 7
15 Y4 A5 6
16 Y3 A4 5
17 Y2 A3 4
18 Y1 A2 3
19 G2 A1 2
20 VCC G1 1
C710 0 104Z
+3.3V
DSP1HDOUT"
DSP1HDOUT
DSP2HACN"
DSP1HACN
DSP1HACN"
DSP2HACN
+5VDSP
Q7102
TC74HCT7007
DSP2HDOUT
INT1" INT1
INT0" INT0
DSP2HDOUT"
MCK1
DALRCK
DACBCK
ADDA
DACDA1
Q103
AK4528VF
ADC/DAC
DFS
CODECPD
+5VD AC
DAPD
R801 1K
DACBCK
MCK1 C802 47 R802
330/ 6.3
47 R803
C803
104Z
12 DVSS
47 R805
DACDA2
13 SDTI 1
R806
47
DACDA3
14 SDTI 2
47 R807
DACDA4
15 SDTI 3
47 R808
DALR CK
16 LRCK
17 SMUT E
18 CCLK
19 CDTI
20 CSN
R804
1K
DFS
21 DFS0
22 CKS0 AVSS34
C
NAETC-7696 (SCH. 7)
P7701A
CSTC
V16.0MXJ
0C
X7000
P97/~ADTRG/S IN4
P100 /AN0 97
30:P70/TXD2/ S DA/TA0 O UT 7:P90/TB0IN/CLK3
29:P71/RXD2/ S CL/TA0 I N/TB5IN 6:P91/TB1IN/SIN3
P101 /AN1 95
28:P72/CLK2/TA1OUT/ V 5:P92/TB2IN/SOUT3
P102 /AN2 94
27:P73/~CTS2 / ~RTS2/ T A1IN/~V 4:P93/DA0/TB 3IN
26:P74/TA2OU T /W 3:P94/DA1/TB 4IN P103 /AN3 93
25:P75/TA2IN /~W 2:P95/ANEX0/ C LK4
P104 /AN4/~KI0 92
24:P76/TA3OU T 1:P96/ANEX1/ S OUT4
P105 /AN5/~KI1 91
P106 /AN6/~KI2 90
M30624FGAFP
P107 /AN7/~KI3 89
Q7000
53:P41/A17 80:P10/D8
52:P42/A18 79:P11/D9
51:P43/A19 78:P12/D10
D102~D109:1SS352 OR 1SS355
+5VDAC
22 4.7K
R106
R110 4.7K
R112
101J 101J
4.7K
R108
C106 C104
22 6
Q102 Q101
7 7
R113
NJM4580M-D
5
NJM4580M-D
8 8
NJM4580M-D 4 4
3 NJM4580M-D
R114
1 1
Q102 Q101
22
2
101J 101J
4.7K
C107 R109 C105
R115 R111 4.7K
4.7K
22 R107
R811 R827 180
3.3K 1.2K R859
180
R860
3.3K 1.2K
R812 R828
R813 R829
C114
152J R861 180
3.3K 1.2K
R862
180
3.3K 1.2K
R814 R830
R815 R831 180
2.2K R863
0
R864 180
2.2K
0
R816 R832
R817 R833
180
2.2K R865
0
R866
180
2.2 K
0
R818 R834
R819 R835
3.3K 1.2K R867 180
L+ R868
180
L-
3.3K 1.2K
R820 R836
R+
R1+44
R821 R837
R-
R1- 43
180
3.3K 1.2K R869
SL+
L2+42
R870
SL-
L2- 41
180
SR+
R2+40
3.3K 1.2K
SR-
R2- 39
CENTER+
R822 R838
L3+38
L3- 37
CENTER-
R823 R839 180
SW+
R3+36
2.2K
R871
SW- 0
R3- 35
R872 180
0 2.2 K
022M
R824 R840
L802
R825 R841
3.3K 1.2K R873
4.7K
R874
3.3K 1.2K
R826 R842
DTR-7.4
D
KRC1 04S Q7001
RN14 04
C7004 1/50
UDZ6 .2B
D700 5
D7004 +13V
C700 5
100/6.3
D7002 GND
C7002 D700 1
GNDDAC
100/6.3
L700 0
+5VD SP
220K
D700 0
+5VD AC
104F C7000
R7000
-15V
100
C700 1 +15V
RDSDET
DSP1
104Z
R709 7 HDOUT
AMUT
100
1K
Z2MU T
AVCC99
HPMUT
VREF98
R7096 1K
VOLH Z2LM UT
C701 0 104Z
TNCL
AVSS96 DSP1
R709 5 1K
GP10" TNDA TA
R709 4 1K
DSP1GP9" TNCS1
R709 3 1K
CDTO" TNCS 2
R709 2 330
VLSTB
R709 1 330
VPDA
R709 0 330
VPCL
R708 9 330
AFCL
R708 8 330
AFDA
P00/D0 88
R708 7 330
AFST B
P01/D1 87
R708 6 1K
STREO
P02/D2 86
R708 5 1K
R7186
SD
P03/D3 85
R708 4 1K R7185
TUMUT
P04/D4 84
R708 3 1K
R7184
PLLC E
P05/D5 83
R708 2 1K 22K
APOW ER
P06/D6 82
R708 1 1K
22K
SPRL F
P07/D7 81
22K
SPRL Z2
12VT RGZ
12VT RGB
12VT RGA
VPOW ER
SPRL Z2 5.6S
12VT RGZ
+13V
12VT RGB
12VT RGA
VPOW ER
GNDDAC
180K C102
R102 47/6.3
10K
6
Q100
6 R104
7
NJM4580M-D
5
8
5
+15V
-15V
3
NJM4580M-D 4
3
1
10K Q100
2
R105
2
C103
180K
47/6.3
R103
R875
8
3
22
1
Q801
2
NJM2114M-D
OR BA15532F
OR NJM5532M-D
GND
R876
4
5 ADIN
C848 22
7 RT
Q801
47/16
GNDADIN
6
NJM2114M-D
LT
C855
OR BA15532F
OR NJM5532M-D 103K
DOSBR
R877
8
3 DOSB L
22
1
Q802
2 DOL
NJM2114M-D
OR BA15532F
OR NJM5532M-D DOR
DOSL
R878
4
5
DOSR
C850 22
7
Q802
47/16
6
DOC
NJM2114M-D
OR BA15532F
OR NJM5532M-D
DOSW
R879
8
3
22
1
Q803
2
NJM2114M-D
OR BA15532F
OR NJM5532M-D
R880
4
5
C852 22
7
Q803
47/16
6
NJM2114M-D
OR BA15532F
OR NJM5532M-D
R881
8
3
22
1
Q804
2
NJM2114M-D
OR BA15532F
OR NJM5532M-D
R882
4
5
C854 22
7
Q804
47/16
6
NJM2114M-D
OR BA15532F
OR NJM5532M-D