Read Sony STR-DA3100ES Service Manual online
19
19
STR-DA3100ES
STR-DA3100ES
6-5. BLOCK DIAGRAM – VIDEO SECTION –
• SIGNAL PATH
:VIDEO
Q
VIDEO
MONITOR
OUT
J3401 (2/2)
J3402 (2/2)
VSEL1
VSEL2
VSEL3
VSEL4
6dB AMP
Q3671, 3672
VSEL5
VSEL1
VSEL2
VSEL3
VSEL4
VSEL5
22 VIN5
C
Y
C
Y
1 VIN4
16 VIN2
14 VIN1
19 VIN3
23 SDCIN5
2 SDCIN4
17 SCDIN2
13 SDCIN1
20 SCDIN3
15
SW1
9
SW2
24
SW3
3
SW4
21
SW5
J202
J203 (1/2)
J204 (1/2)
J1003
C
Y
C
Y
11
SDCOUT1
10
VOUT1
5
VOUT3
8
VOUT2
VSEL1
VSEL2
VSEL3
VSEL4
VSEL5
14
SW1
10
SW2
4
SW3
6
SW4
2
SW5
11
V2.OUT
15
V1.OUT
1
M.OUT
3 TV
5 DVD
9 V2.IN
13 V1.IN
7 V3
C
Y
TV/SAT
S2 VIDEO
IN
DVD
S2 VIDEO
IN
VIDEO 2
S2 VIDEO
IN
VIDEO 1
VIDEO 2
VIDEO 1
S2 VIDEO
IN
VIDEO 3
INPUT
S2 VIDEO
Y
J201
J203 (2/2)
J204 (2/2)
C
S2 VIDEO
OUT
MONITOR
OUT
S2 VIDEO
Y
C
S2 VIDEO
OUT
Y
C
14
XCOM
12
0X
13
1X
11
A
15
YCOM
2
0Y
1Y
10
B
C
4
ZCOM
5
0Z
3
1Z
9
VIDEO1
VIDEO
OUT
VIDEO2
VIDEO
OUT
C OUT
CIN
YIN
SYNC DET
V595 OE
OSD_ON
V OUT
Y OUT
+B SWITCH
Q3531, 3532
+5V
+VCC
(OSD)
23
SIN
COUT
22
SCLK
YOUT
24
CS
VOUT
OSD DATA
OSD CLK
OSD LAT
M_MUTE
UPMUTE
8
EXS
R
S
OSD DRIVER
IC3501
7
VIN3
11 VOUT3
1
VIN1
15 VOUT1
4
VIN2
13
10
VOUT2
MUTE2
3
MUTE1
6
INH
VIDEO AMP
IC3671
INPUT SELECT
IC201
OSD/VIDEO SWITCH
IC3651
INPUT SELECT
IC202
4
SCDOUT3
7
SCDOUT2
1
V-CON
CT3502
OSD
X3501
14.31MHz
26
27
25
6dB AMP
Q3675, 3676
6dB AMP
Q3673, 3674
VIDEO BUFFER
Q3521
VIDEO BUFFER
Q3523
VIDEO BUFFER
Q3522
MUTING
Q3677, 3678
1
M. OUT
3 TV
TV/SAT
IN
J3401 (1/2)
J3402 (1/2)
J3403 (1/2)
VIDEO
5 LD
9 V2. IN
13 V1. IN
7 V3
DVD
IN
VIDEO
VIDEO 2
VIDEO
IN
VIDEO 1
VIDEO
IN
J3403 (2/2)
2ND ZONE
VIDEO
OUT
14
SW1
10
SW2
VSEL2-1
VSEL2-2
4
SW3
VSEL2-3
6
SW4
VSEL2-4
2
SW5
D3421
D3422
D3432
D3431
D3672
11
V2. OUT
15
V1. OUT
3 TV
5 LD
9 V2. IN
13 V1. IN
7 V3
14
SW1
10
SW2
4
SW3
6
SW4
2
SW5
1
M. OUT
J1002 (2/2)
VIDEO 3
INPUT
VIDEO
INPUT SELECT
IC3431
INPUT SELECT
IC3421
OSD_ON
J3301 (1/2)
TV/SAT IN
Y
B-Y
R-Y
P
B
/C
B
/B-Y
P
R
/C
R
/R-Y
Y
COMPONENT
VIDEO
ASSIGNABLE
P
B
/C
B
/B-Y
P
R
/C
R
/R-Y
Y
DVD IN
P
B
/C
B
/B-Y
P
R
/C
R
/R-Y
Y
2
HSYNC
1 IN
D3253
D3254
Q3252
RELAY DRIVE
Q3301, 3304
RELAY DRIVE
Q3302
COMP
SEL1
COMP
SEL2
RY3301 RY3302
RY3304 RY3303
MONITOR
OUT
J3301 (2/2)
SYNC DETECT
IC3253
COMPONENT
VIDEO
ASSIGNABLE
(Page 20)
(Page 20)
(Page 20)
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