Sony STR-DB2000 Service Manual

STR-DA2000ES/DB2000
2323
6-8. BLOCK DIAGRAM – VIDEO Section –
P R /C R /R-Y
DVD
S-VIDEO
IN
VIDEO 3
INPUT
VIDEO
7V3
J1201
J1202 (1/2)
J1203 (1/3)
5LD
13 V1. IN
9 V2. IN
14SW1
10SW2
V-SW1
V-SW2
4SW3
V-SW3
6SW4
V-SW4
2SW5
D1201 D1206
15V1. OUT
11V2. OUT
1M. OUT
J1091 (2/2)
3TV
INPUT SELECT
IC1201
VIDEO 1
VIDEO
IN
VIDEO 2
VIDEO
IN
DVD
VIDEO
IN
TV/SAT
VIDEO
IN
J1202 (2/2)
J1203 (2/3)
VIDEO 1
VIDEO
OUT
VIDEO 2
VIDEO
OUT
Y
C
Y
C
J701
J1092
Y
C
VIDEO 3
INPUT
S-VIDEO
7V3
13 V1.IN
5 DVD
3TV
15V1.OUT
1M.OUT
Y INPUT SELECT
IC701
7V3
13 V1.IN
5 DVD
3TV
15V1.OUT
1M.OUT
C INPUT SELECT
IC702
VIDEO
VIDEO
J705 (1/2)
Y
C
VIDEO 1
S-VIDEO
IN
TV/SAT
S-VIDEO
IN
J705 (2/2)
Y
C
VIDEO
VIDEO 1
S-VIDEO
OUT
14SW1
10SW2
V-SW1
V-SW2
4SW3
V-SW3
6SW4
V-SW4
2SW5
D701
14SW1
10SW2
V-SW1
V-SW2
4SW3
V-SW3
6SW4
V-SW4
2SW5
V SYNC BUFFER
Q1241
Y SYNC BUFFER
Q1242
27
YOUT
26
COUT
25
VOUT
2
CIN
3
VIN
1
YIN
OSD DRIVER
IC1241
23
SIN
22
SCLK
24
CS
8
YOUT
6
COUT
7
VOUT
4
CIN
3
VIN
2
YIN
VIDEO BUFFER
IC1242
CT1271
8
16
XD
EXS
NTSC/PAL
SELECT
IC1271, 1272
X1271
14.31MHz
X1272
17.734MHz
OSD
CT1272
OSD
CT1261
OSD
CT1241
OSD
X1261
14.31MHz
15
EXD
(STR-DA2000ES)
(STR-DB2000)
J1203 (3/3)
MONITOR
VIDEO OUT
RY1290
VIDEO BUFFER
Q3100 – 3102
10
13
4
15
VIDEO SYNC
SEPARATOR
IC3100
Y SYNC BUFFER
Q3103 – 3107
4
1
7
16
CLOCK
GENERATOR
IC3101
X3100
7.5795MHz
+5V, – 5V
C SYNC BUFFER
Q3108 – 3112
RELAY DRIVE
Q1291 – 1295
J709
Y
C
MONITOR
S-VIDEO OUT
(STR-DB2000)
(STR-DA2000ES)
LEVEL SHIFT
IC1243
SYNC SEPARATOR
IC1281
SYNC SEPARATOR
IC1282
(Page 24)
X
OSD-VSYNC
OSD-CLK
OSD-DATA
OSD-LAT
XSEL
P B /C B /B-Y
P R /C R /R-Y
P B /C B /B-Y
P R /C R /R-Y
J751 (1/2)
Y
Y
J751(2/2)
Y
COMPONENT
VIDEO
TV-SAT IN
COMPONENT
VIDEO
DVD IN
P B /C B /B-Y
COMPONENT
VIDEO
MONITOR OUT
RY761
RY762
RELAY
DRIVE
Q761
RY766
RY767
RELAY
DRIVE
Q766
(Page 24)
Y
V-SW1
V-SW2
V-SW1
V-SW2
V-SW3
V-SW3
V-SW4
V-SW4
VIDEO
V-SW3
V-SW4
(STR-DB2000)
• SIGNAL PATH
:VIDEO

Sony STR-DB2000 Specifications

General

Brand	Sony
Model	STR-DB2000
Category	Stereo Receiver
Language	English