Integra DTR-6.8 Service Manual page 10

A B
SCHEMATIC DIAGRAMS-5 (SD-5)
MICROPROCESSOR SECTION
NADG-9269-1(2/2)
1
U18
DAC AND
MICROPROCESSOR
PC BOARD
OPTF
VOLLED
~DIRINT
~DACRST
~DIRCS
~DACCS
SPDIFSW
DIGCLK
DIGSDO
DIGSDI
PCMSW
~DSP3RST
DSDRCSW
~DSP3INT
~DIRSW
~DSP2RST
~DSP2INT
DSP1DEC
~DSP1RST
DSP1NIC
~DSP1INT
MEQMUT
~DSP3CS
2
~DSP2CS
~DSP1CS
+5VDSP
+3.3VDSP1
+3.3VDSP
GND_DG1
-12V
+12V
VOLIN_FL
SELSTB_5V
3
GNDDG
SELCLK_5V
SELDAT_5V
VOLIN_FR
DACCL
DACSWL
DACSL
DACSR
DACSBL
DACSBR
ADLT
ADRT
4
GND_LPF
56K 47/25 470K
R1703 R1705 C1705 R1707
+
330 C1703
102J
C1704
5 R1704 102J
+
330 R1706 C1706 R1708
56K 470K
47/25
C1717
102J
<Note>
SD-x:XY is short for Shcematic Diagram-x and
each socket's location, X=A to H, Y=1 to 5.
C
TO NADIS-9163
TO TUNER UNIT
SD-12:G2
P701A P101A
+
D1801 D1802 D1803
R1801
10(12W) RL1N4003 x3
+5.0V
TA48033AF
Q1912
3 O 1
I
+3.3V
NJM4580M-D
+6.8V
Q1701:A
123J 392J
C1709 C1711 -6.8V
R1711 R1713
10/50
270K 22K
C1715
2 1 R1717
+
3 100
C1707
220/10
C1708 D1701
220/10
UDZS6.8B
5 7 R1718
+
6 100
C1716
270K 10/50
R1714
R1712
22K
C1710 C1712
123J
392J
Q1701:B
NJM4580M-D
P303 P302
TO NAAF-9142 TO NAAF-9142
SD-1:C1 SD-1:D1
D E
TO NAVD-9270
SD-10:E1
TO NAVD-9270 TO NAVD-9270 TO NAVD-9270
SD-10:D1 SD-10:E1 SD-10:F1
P2004A P2005A P2006A P2007A
C1801
100/25
S-812C56AUA-C3K
+12V
+12V
S-812C33AUA-C2N
+5.0V
R1941
+3.3V 100
R2701 +3.3V
27K
220
R2703
+3.3V
CECTRG
C2601 104Z
CECIN
0
R2704
CEC_IO
220
R2702 1 20 SRTXD
_G1 VCC
CECOUT 2 19 SRRST
A1 _G2
3 18 FANCTRL
A2 Y1
Q2701 4 17 CECIN
A3 Y2
RN1402
5 16 XMTXD
A4 Y3
6 15 XMRXD
A5 Y4
SRRXD_5V 7
14 XMRST
A6 Y5
8 13 KEYINT0
RDSCLK_5V A7 Y6
9 12 RDSCLK
RDSDAT_5V
A8 Y7
10
11 RDSSDI
GND Y8
STEREO
SD
Q2601,2602
C2602 104Z
VMUT
DD
+5.0V
Type Only
1 14
VCC
2 13 SRTXD CNVSS
3 12 XMANT
4 11 SRTXD_5V XMLINK
5 10 SRRST RESET
6 9
7 GND 8 SRRST_5V
Q2602
TC74VHCT08AFT SELSTB
C2603 104Z POFF
POFF2
1 14 KEYINT1
VCC
2 13 SELDAT CECTRG
3 12 CECOUT
4 11 SELDAT_5V Z2VOLCLK
5 10 SELCLK Z2VOLDAT
6 9
7 GND 8 SELCLK_5V VSPRDY
VSPRST
Q2603 SELSTB_5V VSPREQ
TC74VHCT08AFT Z2VOLDAT VSPSCL
Z2VOLCLK
C2604 104Z
1 14
VCC
2 13 VOLCLK
3 12
4 11 VOLCLK_5V
5 10 VOLDAT
6 9
7 GND 8 VOLDAT_5V
Q2604 Z2VOLCLK_5V
TC74VHCT08AFT Z2VOLDAT_5V
FLDCS
FLDRST
C2605 104Z
+5.0V
1 14
VCC
2 13 DIGSDO
3 12
4 11 FLDSDO_5V
5 10 DIGCLK
6 9
7 GND 8 FLDCLK_5V
Q2605 FLDRST_5V
TC74VHCT08AFT FLDCS_5V
P301 JL6402B P304
TO NAAF-9142 TO NAETC-9144 TO NAAF-9142
SD-1:F1 SD-2:B2 SD-1:B1
F G
TO NARF-9267
TO NAHDM-9265
SD-14:G1
SD-9:H4 FLASH WRITER
DD Type Only(XM) P802A
JL102B
RN2402 RN2402 RN2402
Q2406 Q2404 Q2402
RN1404 RN1404
RN1404
Q2405 Q2403
Q2401
R2405 R2403 R2401
2.2K 2.2K 2.2K
C2406 C2404 C2402
105K 105K 105K
D1923 R1921
1SS352 270
Q1921
D1924 +5.0V
2 I 3 +5VST
O
1SS352
2 I 3 +3.3ST
O
C2109 104Z
R2309 10K
R2319 10K
R2320 10K
R2323 10K
R2324 10K
Q1931
R2327 10K
10K
R2328
+3.3V
C2133 101J
R2333 2.7K
C2134 101J
R2334 2.7K
C2135 101J
R2335 2.7K
C2136 101J
R2336 2.7K
R2337 10K
C2139 101J
R2339 2.2K
C2141 101J
R2341 2.2K
SRRXD
+3.3V
C2219
4.7/50
104Z C2019
47K R2219
R2001 47 1
P96
R2002 47 2
R2003 47 3
R2004 220 4
R2005 47 5
P92
R2006 220 6
P91
R2007 47
7
P90/TB0IN/CLK3
R2008 220 8
P146/INT8 144:P97/ADTRG/RXD4/SCL4/STXD4
R2009 1K 9
2:P95/ANEX0/CLK4/CAN1IN/CAN1WU
P145/INT7
R2010 1K
10
P144/INT6 3:P94/DA1/TB4IN/CTS4/RTS4/SS4
R2011 1K 11
4:P93/DA0/TB3IN/CTS3/RTS3/SS3
P143/INPC17/OUTC17
R2012 1K 12
P142/INPC16/OUTC16
R2013 220
13
P141/INPC15/OUTC15
R2014 4.7K 14
Q2001
P140/INPC14/OUTC14
15
BYTE
16 M3087BFKBGP
CNVSS
R2017 220 17
P87/XCIN
R2018 220 18
Main Microprocessor
P86/XCOUT
19
RESET
X2001 20
XOUT
21
VSS
22 26:P83/INT1/CAN1IN/CAN0IN
XIN
8.00MHz C2023 R2024 23
27:P82/INT0/CAN1OUT/CAN0OUT
VCC1
1SS352 24
104Z 29:P80/TA4OUT/U/ISRXD0/RXD5
P85/NMI
D2026
10K 25 35:P72/TA1OUT/V/CLK2
P84/INT2
26
4.7K R2027
27
D2027 220 R2028 28
P81
1SS352 47 R2029 29
R2030
47 30
P77
47 R2031 31
P76
220 R2032 32
P75
R2033
220 33
P74
47 R2034 34
P73
47 R2035 35
47 R2036 36
P71
+3.3V
R2237 2.2K
C2037 101J
DTR-6.8
H
TO NALAN-9268
SD-16:F4
JL7801A
P751A
+5.0V
DTA114YKA
Q2414
DTC114YKA
Q2411
RI
Q2413
DTC114YKA
R2113, R2313 Q2412
DTA114YKA
TX-SR705 Only
+3.3V
R2110
MA Type Only
10K R2310
0 R2311
R2313
DD:0
MA:10K
220
R2107
108 R2108 FLDCS
P11/D9
107 MICDET
P12/D10 47
106 47 R2106 MICMUT
P13/D11
105 47 R2105 SYSOUT
P14/D12
104 220 R2104 SYSIN
P15/D13/INT3
103 220 R2103 IRIN
P16/D14/INT4
220 R2102
102 REMIN
P17/D15/INT5
101 220 R2101 THERMAL1
P20/A0(/D0)/AN20
100 R2100 220 THERMAL2
P21/A1(/D1)/AN21
R2099 220
99 VOLH
P22/A2(/D2)/AN22
98 R2098 220
P23/A3(/D3)/AN23
97 47 R2097 VPOWER
P24/A4(/D4)/AN24
R2096
96 47 MEQMUT
P25/A5(/D5)/AN25
95 47 R2095 APOWER
P26/A6(/D6)/AN26
94 47 R2094 MULTIN_MUT
P27/A7(/D7)/AN27
93
VSS
92 R2092 220 PROTECT
P30/A8/(D8)
91 C2091 104Z
VCC2
90 47 R2090 DIGSDO
P120/TXD6
89 47 R2089 DIGCLK
P121/CLK6
88 R2088 220 DIGSDI
P122/RXD6
87 47 R2087 DSP1NIC
P123/CTS6/RTS6
86 R2086 220 DIRINT
P124
85 47 R2085
DACRST
P31/A9/(/D9)
84 R2084 220 DSP1RST
P32/A10/(/D10)
83 R2083 220 DSP1INT
P33/A11/(/D11)
R2082 220
82 DSP2RST
P34/A12/(/D12)
81 R2081 220 DSP2INT
P35/A13/(/D13)
80 R2080 220 DSP3RST
P36/A14/(/D14)
R2079 220
79 DSP3INT
P37/A15/(/D15)
78 47 R2078 VOLCLK
P40/A16
77 47 R2077 VOLDAT
P41/A17
76
VSS
75 220 R2075 TRGA
P42/A18
74 C2074
VCC2
73 104Z DIRCS
P43/A19
R2073
47
+3.3V
+3.3V
R2240 10K
R2248 10K
R2249 10K
R2250 10K
R2251 10K