Integra DTR-7.8 Service Manual page 25

A
QQ
3 7 63 1515 0
SCHEMATIC DIAGRAMS-6 (SD-6)
VIDEO SECTION
1
COMPONENT VIDEO
IN 3
IN 2
2
IN 1
OUT 1
TE
L 13942296513
OUT 2/ZONE 2
3
S VIDEO
AUX1
GAME/TV
CBL/SAT
4
VCR/DVR
DVD
MONITOR
OUT
www
5
COMPOSITE VIDEO
.
ZONE 2 OUT
http://www.xiaoyu163.com
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
C2210
104Z
C2211 1/50
Y
C2212 104Z
WF26
1/50
C2214
R2207
CR/PR
75
C2215 104Z
75 C2216 1/50
CB/PB
R2208
C2217
104Z
C2218 1/50
Y
C2219 104Z WF24
CR/PR
WF26
CB/PB
WF25
Y
WF24
CR/PR
CB/PB
Y
C2221
102K
104Z C2001
C Y C2002
1 4 10/50
2
5 C2003
10/50
104Z
P2001
C2004
C Y C2005
8 11
10/50
9 12
C2006
10/50
102K
C2008
C2007
104Z
C Y C2009
4
1
10/50
2 5
C2010
10/50
75
P2002
R2010
C Y R2011
8 11 75
12
9 R2012
OUT
75
102K
C2012
C2011
104Z
C Y C2013
IN
1 4
10/50
2 5 C2014
10/50
104Z
P2003
C2016
C Y C2017
8 11
10/50
9
12
DVDCV
C2018
10/50
102K
P2004 R2022 75
C2015
R2023
C Y
4 3 75
R2024
2 1
75
C2019 102K
x ao
y
C2020
i
102K
R2028
75
http://www.xiaoyu163.com
8
+9.0V
C2222 1 38
V+
Pb IN4
104Z 2 37
Pb IN2 V+
3
36
GND
Y IN4
4 35
Pr IN2 V+
5 34
GND Q2201 Y OUT1
6
33
Y IN1
GND
C2223 7 32
NJW1321
V+ Pb OUT1
104Z 8 31
Pb IN1 GND
C2224 9 30
V+ VIDEO SW
Pr OUT3
10 29
104Z
Pr IN1 AUX3
11 28
GND AUX2
R2223 1K 12 27
PORT3
Y OUT2
R2222 1K 13 26
PORT2 AUX1
14
25
ADR
AUX0
R2216 10K
220/16
WF25
C2235
104Z
R2219
C2232
2.2
PYDET
SDET
CVDET
+9.0V
C2230
10/50 104Z
Q Q
3 6 7 1 3
MAIN V
Q2006
V4SC
74HC4051
V4SY
V4CV
V3SC
V3SY
V3CV
+5.0V
V2SC
V2SY
V2CV
R2029 100K
RN1444
Q2001
C2024 104Z
Q2002 C2025
-5.0V
RN1444
470/6.3
RN1444
C2026
Q2003
V1SC
470/6.3
V1SY LS1
V1CV
WF23
MAIN C
DVDSC
Q2010
DVDSY
74HC4051
WF22
WF21
WF23
WF22
WF21
u163
LS2
.
RN1444
Q2004
Q2005
LS3
RN1444
C
2 9 9 4 2 8
R2227
10K
PYOUT1
PBOUT1
PROUT1
DACPY
DACPB
DACPR
C2233
R2230
104Z
10/50 1K
C2234
C2239
104Z
C2240
104Z 10K
C2241 10/50
R2271
C2242 104Z
C2243
10/50
C2244
10
104Z
11
12
+5.0V
PYOUT2 R2232
1K
R2272
10K
PBOUT2
DACPB 10
11
12
1 5 0 5 8 2 9 9 4
100K
R2041
R2038 100K
R2042
R2039 100K
100K
R2040 100K
R2043
100K
+5.0V
Z2 V
Q2007
74HC4051
-5.0V
Z2 Y
MAIN Y
Q2008 Q2009
74HC4051
74HC4051
Z2 C
Q2011
74HC4051
m
co
DTR-7.8
D
9 9
Q2204 Q2205
2SK3019 2SK3019
3 ch Video Amp
NJM2586A C2245
Q2206 104Z 75
R2237
R2238
1 24
CH1 IN1 CH1 OUT
2 23 3.3
PS
SW1
R2241
R2239
3 22
CH1 IN2 CH2 OUT
4 21 75 3.3
SW2 V+2
R2240
5 20
CH1 IN3 CH3 OUT
6 19
R2242 3.3
GND GND
C2249
7 18
75
V-2
V+1
8 17 104Z
CH2 IN1 CH3 IN1
9 16
GND V-1
15
CH3 IN2
CH2 IN2
14
GND GND
R2247
13 RS
CH2 IN3 CH3 IN3
1K
Q2207 NJM2586A
-5.0V
1 24
CH1 IN1 CH1 OUT
2 23
SW1
PS
3 22
CH1 IN2 CH2 OUT
4 21 C2252
SW2 V+2
5 20
104Z
CH1 IN3
CH3 OUT
C2256
6 19
GND GND
7 18 104Z
V+1 V-2
8 17
CH2 IN1 CH3 IN1
PROUT2
9 16
GND V-1
15 DACPR
CH2 IN2
CH3 IN2
14
GND GND
13
CH2 IN3 CH3 IN3
3 ch Video Amp Z2PROUT
Z2PBOUT
Z2PYOUT
R2259
C2248
1K
R2231 2.2
220/6.3
C2246
220/6.3 R2246 2.2
2 8 9 9
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
CV_M 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
SY_M 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