Integra DTR-7.6 Service Manual page 35

A B
SCHEMATIC DIAGRAM 3
MICROPROCESSOR
SECTION
1
TO DSP/CODEC
P601B NADG-8660
12 RXMUTE_3.3V
11 TXMUTE_3.3V
10 VDMRST_3.3V
9 VDM_SCK_3.3V
U032
8 VDM_SI_3.3V
7 VDM_SO_3.3V
6 VDM_STB_3.3V
5 GNDDSP
4 GNDDSP
3 GNDHD
NAAR-8661
2 +9VA
R791
1 +9VA
0.47(1/2W)
20 ADCRST_3.3V
19 SYSIN
18
DIRRST_3.3V
17 DIRINT_3.3V
2
16 DIRCS_3.3V
15 OPTF
14 DIGSDI_3.3V
13 DIGCLK_3.3V
12 DSPCS_3.3V
11
DSPBUSY_3.3V
10 DSPRST_3.3V
9 DSPINT_3.3V
8 +5VDAC
7 DSPFCS_3.3V
6 MLTSEL_3.3V
5 DIGSDO_3.3V
4 DSPFINT_3.3V
3 +5VDSP
2 GNDA
1 GNDA
P602B
TO DSP/CODEC
NADG-8660
L602
022K
C716
100/16
11 Y8
12 Y7
R784
13 Y6
VDM_SI_3.3V 47
3 14 Y5
VDM_SCK_3.3V 15 Y4
VDMRST_3.3V 16 Y3
TXMUTE_3.3V 17 Y2
MLTSEL_3.3V 18 Y1
19 _G2
R783
20 VCC
47
C718 104Z
R782 330
R781 330
10 GND
VDM_STB_3.3V 9
DIGSDI_3.3V 8 A7
DSPBUSY_3.3V 7 A6
DSPINT_3.3V 6 A5
DSPFINT_3.3V 5 A4
RXMUTE_3.3V 4 A3
VDM_SO_3.3V 3 A2
DIRINT_3.3V 2 A1
1 _G1
R780 330
C717 104Z
R786 47
DIGSDO_3.3V 11 Y8
4 DSPFCS_3.3V 12 Y7
DSPRST_3.3V 13 Y6
DSPCS_3.3V 14 Y5
DIGCLK_3.3V 15 Y4
DIRCS_3.3V 16 Y3
DIRRST_3.3V 17 Y2
ADCRST_3.3V 18 Y1
R785 47 19 _G2
20 VCC
C719
5
C
P7534A
TO DISPLAY
(NADIS-8688)
R735 2.7K
R734 2.7K
R733 2.7K
R732 2.7K
R605,R606
MODEL
R608,R609
MDD-TYPE YES
other NO
Q710
C601 104Z
1
XC6213B332MR C602 104Z
CNVSS 2
C715
R611 10K 3
+3.3V 5 474K
1 OSDSDO R602 220 4
VOUT VIN
2 R603 220
OSDCLK 5
VSS
4 3 OSDCS R604 220 6
NC CE
R605 220 7
*
R749 * R606 220 8 P92/TB2IN/SOUT3
10K R607 220 9 P91/TB1IN/SIN3
* R608 220 10 P90/TB0IN/CLK3
10 R609 220 11 P141
GND R751 *
10K R610 220
A8 9 12 P140
A7 8 13 BYTE
A6 7 14 CNVSS
A5 6 VDM_SO 15 P87/XCIN
+
5 VDM_SCK R612 220 16 P86/XCOUT
A4 C617
A3 4 VDMRST RESET 4.7/50 R613 220 17 RESET
3 TXMUTE 18 XOUT
A2 Q702
RN1404
A1 2 MLTSEL X701: 19 VSS
X701
_G1 1 20 XIN
CSTCR +5VM
C604 104Z
6M00 21 VCC1
C621 104Z R614 10K
55-R0 22 P85/NMI
R615 220 23 P84/INT2
R616 220 24 P83/INT1
25 P82/INT0
ADCRST D602 R618 220 26 P81/TA4IN/U
DIRINT 1SS355 R619 220 27 P80/TA4OUT/U
DIRCS R620 220 28 P77/TA3IN
DIRRST R621 220 29 P76/TA3OUT
R622 220
DSPFCS 30 P75/TA2IN/W
11 VDM_STB
Y8
DSPCS R623 220 31 P74/TA2OUT/W
Y7 12 DIGSDI
32 P73/CTS2/RTS2/TA1IN/V
Y6 13 DSPBUSY
VDM_SCK R627 220 33 P72/CLK2/TA1OUT/V
Y5 14 DSPINT
VDM_SI R628 220 34 P71/RXD2/SCL2/TA0IN/TB5IN
Y4 15 DSPFINT
R630 220
VDM_SO R632 35 P70/TXD2/SDA2/TA0OUT
16 RXMUTE
Y3
220 36 P67/TXD1/SDA1
Y2 17 VDM_SI
C606 37 VCC1
18 DIRINT
Y1
104Z 38 P66/RXD1/SCL1
19
_G2
20
VCC
R633
220
L603
022K
10 +5VDIS R637 2.2K
GND
A8 9 DIGSDO R639 2.2K
10K
R736 R738
8 DSPFCS R641 27K
A7
7 DSPRST
A6 R643 27K
10K
A5 6 DSPCS R661 10K
R737 10K
5 DIGCLK
A4
C626 101J
A3 4 DIRCS
3 DIRRST C625 101J
A2
A1 2 ADCRST
1 C723 101J
_G1
104Z
P2004A P2005A
TO VIDEO TO VIDEO
NAVD-8657
NAVD-8657
D E
P702 JL703B
TO FLASH WRITER TO THERMAL SENSOR
NAETC-8680
DD PA
R712 33K 10K
R713 56K 33K
R714 NC 10K
R715 0 NC
+5VDIS
C615
+5VM
C616
+5VMUT
C614
C613
C612
C611
C610 R741 10K
C609 BAND R740 10K
INT1 R715 Val
C609 R713 Val
INT2
-C616:
INT3 R711 33K
102J R709 33K
R702
P11/D9 102
101 220
P12/D10
R701
P13/D11 100
P14/D12 99 220 SYSOUT
98
P15/D13/INT3
P16/D14/INT4 97 R699 220 IRIN
96 100 470 *
P17/D15/INT5 R753
P20/AN20/A0(/D0/-) 95 1K R696 RDSSIG
94 1K R694 RDSDAT
P21/AN21/A1(/D1/D0)
P22/AN22/A2(/D2/D1) 93 R693 220 FSWSDO
P23/AN23/A3(/D3/D2) 92 220 FSWCLK
R692
220
P24/AN24/A4(/D4/D3) 91 R691 FSWSTB
P25/AN25/A5(/D5/D4) 90 R689 220 PROTECT
220
P26/AN26/A6(/D6/D5) 89 R687 THERMAL
1: VREF
P27/AN27/A7(/D7/D6) 88 R685 220 VOLH
2: AVCC
87
3: P97/_ADTRG/SIN4 VSS
4: P96/ANEX1/SOUT4 P30/A8(/-/D7) 86 R684 220 SEC1H
5: 85 R776 22K
P95/ANEX0/CLK4 C607
P120 R683
6: P94/DA1/TB4IN 84 104Z 220 TRGZ2
7: P93/DA0/TB3IN P121 83 220 R682 TRGB
R681
P122 82 220 TRGA
P123 81 220 R680 FANCTRL
P124 80 220 R679 FANH
P31/A09 79 220 R678 APOWER
P32/A10 78 220 R677
P33/A11
77
P34/A12 76
P35/A13
75 220 R674
68: P44/CS0 P36/A14 74 220 R673
67: P45/CS1 220 R672
P37/A15 73 AMUT
66: P46/CS2 72 220 R671
65: P47/CS3 71 220 R670 SPRLZ2
P41/A17
P42/A18 70 220 R669 SPRLSB
P43/A19 69 220 R668 SPRLCS
68 220 R667 SPRLF
67 AMUTM
66 SBZ2MUTM
65 Z2MUTM
R688 10K
R651 10K
R690 10K
R768 10K
10K
R743 10K
R742 10K
P3103B P3104B TO VOLUME/AMP P3105B
NAAF-8678
F G
JL7452A
P710A
TO HEAD PHONE
TO XM RADIO
NARF-8688
NARF-8688
DD model only
Q714
1SS355 022K
+5VCPU 3 2 +10S
O I
D605 L601 S-812C56AUA-C3K
D606 1
R763 1K 1SS355
D607
GNDD
R769 R766 D612
+10S
270 270 1SS355
R765 D613
+12VA
47 1SS355
+5VMUT
Q704 R754 Q706 Q708
R758
RN2402 RN2402 R756
10K RN2402
10K
Q707 10K
Q705 Q709
RN1404
RN1404 RN1404
R755
R757 R759
C710 C714
2.2K
2.2K 2.2K
1/50 1/50
GNDD C713
C709
C711 C712
474K
474K
474K 1/50
AMUTM
SBZ2MUTM
Z2MUTM
Z2MUT
SBZ2MUT
R793 8.2(2W)
R792 1.5(1/2W) 0.22 (1/2W )
DTR-7.6
H
P959A
TO POWER SUPPLY
NAPS-8665
FANCTRL 18
FANH 17
-22V 16
GNDS3 15
GNDS3 14
+22V 13
FTXD 12
FRXD 11
Z2SWPO 10
Z2POR 9
Z2GND 8
Z2POL 7
+12VA 6
IRIN 5
TRGA 4
TRGB 3
TRGZ2 2
+5.6S 1
POFF2 15
+9V 14
+9V 13
GND 12
GND 11
-9V 10
+5VDIS +5VDSP 9
L604 022K +5VDSP 8
GNDD 7
GNDD 6
+5.3VXM 5
GNDD 4
+10S 3
POFF 2
APOWER 1
TO POWER SUPPLY
NAPS-8665
P954A
P701A
TO TUNER PACK
RL1N4003
GP104003E
R760
10(1/2W)
D609 D610 D614
+
C720 PLLSCL 1
100/16 (VR) PLLSDA 2
STEREO 3
TUNED 4
+9V_TU 5
GNDTU 6
TUL 7
GNDTU 8
TUR 9
VSM 10
GNDTU 11
RDSDAT 12
RDSSIG 13