Integra DTR-7.8 Service Manual page 25

A
SCHEMATIC DIAGRAMS-6 (SD-6)
VIDEO SECTION
1
COMPONENT VIDEO
IN 3
IN 2
2
IN 1
OUT 1
OUT 2/ZONE 2
3
S VIDEO
AUX1
GAME/TV
CBL/SAT
4
OUT
VCR/DVR
IN
DVD
MONITOR
OUT
5
COMPOSITE VIDEO
ZONE 2 OUT
B
NAVD-9052
U08
VIDEO PC BOARD
R2201 C2201 1/50
CR/PR
75
C2202 104Z
75
C2203 1/50
CB/PB
R2202
C2204
104Z
C2205 1/50
Y
C2206 104Z
R2204 C2207 1/50
CR/PR
75
C2208 104Z
75
C2209 1/50
CB/PB
R2205
C2222
C2210
104Z
104Z
C2211 1/50
Y
C2212 104Z
C2223
104Z
WF26
C2224
104Z
1/50
C2214
R2207
CR/PR
R2223 1K
75 R2222 1K
C2215 104Z
75 C2216 1/50 R2216 10K
CB/PB
R2208
C2217
104Z
WF25
C2218 1/50
Y
C2219 104Z WF24
CR/PR
WF26
CB/PB
WF25
Y
WF24
CR/PR
CB/PB
Y
C2221
102K
104Z C2001
V4SC
C Y C2002
V4SY
1 4 10/50
2
5 C2003
V4CV
10/50
104Z
P2001
C2004 V3SC
C Y C2005
V3SY
8 11
10/50
9 12
C2006 V3CV
10/50
102K
C2008
V2SC
C2007
104Z
C Y C2009
V2SY
4
1
10/50
2 5
C2010
V2CV
10/50
75
P2002
R2010
C Y R2011
8 11 75
12
9 R2012
75
RN1444
102K
C2012
V1SC
C2011
104Z
C Y C2013
V1SY
1 4
10/50
2 5 C2014
V1CV
10/50
104Z
P2003
C2016
DVDSC
C Y C2017
DVDSY
8 11
10/50
9
12
WF22
DVDCV
C2018
10/50
102K
P2004 R2022 75
C2015
R2023
C Y
4 3 75
R2024
2 1
75
C2019 102K
C2020
RN1444
102K
Q2004
R2028
75
Q2005
RN1444
+9.0V
1 38
V+
Pb IN4
C2233
2 37
Pb IN2 V+
3
36 104Z
GND
Y IN4
C2234
4 35
Pr IN2 V+
5 34 104Z
GND Q2201 Y OUT1
6
33
Y IN1
GND
7 32
NJW1321
V+ Pb OUT1
8 31
Pb IN1 GND
9 30
V+ VIDEO SW
Pr OUT3
10 29
Pr IN1 AUX3
11 28
GND AUX2
12 27
PORT3
Y OUT2
13 26
PORT2 AUX1
14
25
ADR
AUX0
220/16
C2235
104Z
R2219
C2232
2.2
PYDET
SDET
CVDET
+9.0V
C2230
10/50 104Z
MAIN V
Q2006
74HC4051
+5.0V
R2029 100K
RN1444
Q2001
C2024 104Z
Q2002 C2025
-5.0V
470/6.3
RN1444
C2026
Q2003
470/6.3
LS1
WF23
MAIN C
Q2010
74HC4051
WF21
WF23
WF22
WF21
LS2
LS3
C
Q2204
R2227
2SK3019
10K
PYOUT1
PBOUT1
PROUT1
DACPY
DACPB
DACPR
3 ch Video Amp
NJM2586A
Q2206
R2230 1
CH1 IN1 CH1 OUT
10/50 1K 2
SW1
C2239 3
CH1 IN2 CH2 OUT
4
C2240
SW2
104Z 10K 5
C2241 10/50
CH1 IN3 CH3 OUT
6
R2271
GND
7
C2242 104Z
V+1
8
C2243 CH2 IN1 CH3 IN1
9
10/50
GND
C2244
10
104Z CH3 IN2
CH2 IN2
11
GND
12
CH2 IN3 CH3 IN3
+5.0V
Q2207 NJM2586A
PYOUT2 R2232
1
CH1 IN1 CH1 OUT
1K 2
SW1
3
CH1 IN2 CH2 OUT
R2272 4
SW2
10K 5
CH1 IN3
CH3 OUT
6
GND
7
V+1
PBOUT2 8
CH2 IN1 CH3 IN1
9
GND
DACPB 10
CH2 IN2
CH3 IN2
11
GND
12
CH2 IN3 CH3 IN3
3 ch Video Amp
C2248
220/6.3
100K
R2041
R2038 100K
R2042
R2039 100K
100K
R2040 100K
R2043
100K
+5.0V
Z2 V
Q2007
74HC4051
-5.0V
CV_M
Z2 Y
MAIN Y
Q2008 Q2009
74HC4051
74HC4051
SY_M
Z2 C
Q2011
74HC4051
DTR-7.8
D
Q2205
2SK3019
C2245
104Z 75
R2237
R2238
24
23 3.3
PS
R2241
R2239
22
21 75 3.3
V+2
R2240
20
19
R2242 3.3
GND
C2249
18
75
V-2
17 104Z
16
V-1
15
14
GND
R2247
13 RS
1K
-5.0V
24
23
PS
22
21 C2252
V+2
20
104Z
C2256
19
GND
18 104Z
V-2
17
PROUT2
16
V-1
15 DACPR
14
GND
13
Z2PROUT
Z2PBOUT
Z2PYOUT
R2259
1K
R2231 2.2
C2246
220/6.3 R2246 2.2
6 ch Video Amp
NJM2587
Q2012
1 32
SC IN
PS1
2 31
NC SC OUT
3 30
V IN GND out
4 29
GND in V OUT
5 28
104Z
SY IN V+4
C2043
6 27
V+1
SY OUT
C2044
7 26
V-1 V-4
8 25
104Z
Y IN Y OUT
C2045
9 24
V+2
V+3
104Z 10 23
GND in Y Cb OUT
11 22
Cb IN GND out Y
12 21
GND in Cb
Cr OUT
13 20
Cr IN GND out Cb
C2046
14 19
V-2
V-3
104Z 15 18
GND in Cr GND out Cr
16 17
PS2 NC
1 32
SC IN PS1
2 31
NC SC OUT
3 30
V IN GND out
4 29
GND in V OUT
104Z
5 28
V+4
SY IN
C2051 6 27
V+1 SY OUT
C2052 7 26
V-1 V-4
25
104Z 8
Y IN Y OUT
C2053
9 24
V+2 V+3
104Z 10 23
GND in Y Cb OUT
22
11
Cb IN GND out Y
12 21
GND in Cb Cr OUT
13 20
Cr IN GND out Cb
C2054 14 19
V-2 V-3
104Z 15 18
GND in Cr GND out Cr
16 17
PS2 NC
Q2013
NJM2587
6 ch Video Amp
Y/C Mix
C2067
220/6.3
C2068 104Z C2078 470/6.3
22/50
1/50
C2063 C2065
1 6
SAG YIN
2 5
OUT GND
C2066
3 4
VCC CIN
C2064
103Z
R2052
R2053
100/16
Q2014
150
150
MM1512