Sony STR-DB2000 Service Manual

STR-DA2000ES/DB2000
3737
6-22. SCHEMATIC DIAGRAM – MULTI-VIDEO Board (4/4) – • See page 68 for Waveforms. • See page 69 for IC Block Diagrams.
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque 0 sont
critiques pour la sécurité. Ne les remplacer que
par une pièce portant le numéro spécifié.
CN1201
C1255
R1249 R1250R1251
C1257C1258C1259
C1252
C1249
C1248
C1251
C1250
L1241
C1254
C1253
R1248
IC1241
R1246
R1243
R1244
R1247 C1245 C1246
CN1241
IC1281 IC1282
C1282
R1282
C1286
C1284
R1284
C1283
C1285
R1281
C1281
R1283
R1272
IC1271
R1275
R1271
X1271X1272
R1274
R1273
C1274
C1273
C1272
C1271
R1277
R1276
FB1272
C1275
C1276
C1277
C1278
R1261
C1262
FB1271
X1261
Q1241
R1241
C1244
D1241
R1242
Q1242
JW1242 JW1241
R1300
Q1294
R1296
R1294
R1293
C1294 Q1292
R1295
R1291R1290
C1292
C1291
R1292
C1293
Q1291
Q1293
R1297
R1285
C1295
R1299
R1298
JW1201
D1290
RY1290
CN1290
C1241
C1243
C1242
FB1281
IC1242
C1261
CT1271CT1272
CT1261
CT1241
C1247
Q1295
IC1272
4P
0.1
1k 1k1k
1,000
6.3V
1,000
6.3V
1
50V
100p
0.1
10p
0.1
47 16V
10 50V
10 50V
4.7k
MB90089F-G-238
47k
3.9k
47k
47k 0.1 0.1
4P
LA7213 LA7213
1
50V
330
0.1
1000
6.3V
150k
1000
6.3V
0.1
330
1
50V
150k
1M
TC7WU04F
100
270
14.31MHz17.734MHz
1M
270
22p
8p
8p
22p
100
100
0.1
47
16V
0.1
0.01
270
8p
14.31MHz
2SC2712-YG
47k
10
50V
1SS355
1.2k
2SC2712-YG
00
10
2SC2712
1.5k
10k
1k
10
50V
2SA1162
1.5k
2201k
0.1
0.1
1.5k
10
50V
2SC2712
2SC2712
2.2k
1k
22
50V
2.2k
10k
0
1SS355
7P
10 50V
10 50V
10 50V
BA7622F-E2-A
22p
33p
2SA1162
TC74HC00AF
QQ1
QQ2
QQ3
QQ4
QQ5
QQ6
QQ7
QQ8
QQ9
QQ10
QQ11
QQ12
QQ13
QQ14
VSS
AVSS
+5V
GND
V
+7V
Y
C
+5V
GND
-5V
+7V
VC
C
VOUT COUT YOUTGND
CIN VIN
YIN
EXVSYN
EXHSYN
VSYNC
HSYNC
XS
EXS
VCC
VBLK
FSCO
VIN
CIN
YIN
AVCC
YOUT
COUT
VOUT
CS
SIN
SCLK
TEST
VOC0
VOC1
VOC2
VOB
XD
EXD
IN HSYNC GND VSYNC VCC IN HSYNC GND VSYNC VCC
(4/4)
SYNC SEPARATOR SYNC SEPARATOR
NTSC/PAL
SELECT
V SYNC BUFFER
Y SYNC BUFFER
VIDEO BUFFER
OSD DRIVER
V
G
-2
-1
Q1291-1295
RELAY DRIVE
(FOR ADJUSTMENT)
(STR-DA2000ES)
(STR-DB2000)
(STR-DA2000ES)
(STR-DB2000)
(Page 36)
(Page 39)
(Page 67)

Sony STR-DB2000 Specifications

General

Brand	Sony
Model	STR-DB2000
Category	Stereo Receiver
Language	English