Schematic Diagram - Main Board (3/4) - Sony STR-DN1050 Service Manual

6-26. SCHEMATIC DIAGRAM – MAIN Board (3/4) –
1 2 3
A
B
MAIN BOARD (3/4)
CN273
FB208
9P
0uH
TUNER_IISD 1
TUNER_VDD 2
FB202 0uH
>055S
C TUNER_L/LRCK 3
FB203 0uH
TUNER_CE 4
TUNER1 BOARD
FB204 0uH
TUNER_R/BCK 5
CN101
TUNER_GND 6
FB205 0uH
(Page 63)
TUNER_DA 7
FB206 0uH
TUNER_IIC/RDSI 8
FB207 0uH
TUNER_CK 9
>056S
D
TUNER_R/BCK
MAIN BOARD (4/4)
TUNER_L/LRCK
(Page 54)
>057S
31
32
MAIN BOARD (4/4)
33
E
34
(Page 54)
35
CN1002
19P
CL261
1
TUNER__IIC/RDS
CL260
TUNER_DA 2
CL259
TUNER_CE 3
CL262
TUNER_CK 4
C547
+7V 5
10u 50V
F
CL418
6
R-IN
AGND 7
>005S
CL419
L-IN 8
C546
DIGITAL BOARD
9
-7V
CL221
(1/12) +6V_USB 10
CL223
11
VCOM-SW2
CN2007
CL220
V-SEL-SW2 12
(Page 37) CL219
V-SEL-SW1 13
G
CL222
14
VMUTE
CL217
COMP-DET 15
DCDC +3.3V 16
OPT-SAT 17
DGND 18
19
OPT-TV
MAIN BOARD (2/4)
30
>053S
H
(Page 52) 29
IC230
IC230
DIGITAL OPTICAL
JSR1124
RECEIVER
1 3.3 JL263
VOUT
IN 2 2
GND
(TV ASSIGNABLE)
3 3.3
VCC
OPTICAL
I
1 3.3 JL261
VOUT
IN 1 2
JL260
GND
(SAT/CATV ASSIGNABLE)
3 3.3 JL262
VCC
IC231
IC231
JSR1124 DIGITAL OPTICAL
RECEIVER
J
K
STR-DN1050
• See page 66 for IC Block Diagrams.
4 5 6
>054S
MAIN BOARD (4/4)
(Page 54)
7
1 2 3
C260 0.1u
R295 1k C261 100p
MM1839A50NRE
IC234
R296 1k C262 100p
+5V REG.
5 4
7 5
D202
C259
CES521
1u
FB209
C257
0uH 1u
C266
10u
C234
C268 C232
0.1u
10u 0.1u
CH1 = Y
CH2 = Pb
CH3 = Pr
0 0 -5 -5 0
10u 50V
11 12 13 14 15 16 17
IC220
NJM2586AVC3
IC220
VIDEO
AMPLIFIER
10 9 8 7 6 5
0 0 5 0
C224 C225 C226 C227
10u 10u 10u
C292 10u R224 R225 R226 R227
75 75 75 75
R250 100 CL242
R257 R256 R255
0 0 0
C290 0.1u
CL241
R259 100 CL240
C291 0.1u
C238
22p
CL239 C237
22p
C236
FB201 22p
0uH
J201
9P 1 2
P
R
IN 1
P
(SAT/CATV ASSIGNABLE) B
Y
(GAME ASSIGNABLE)
7 8 9 10
Q285
2PC4081R-115
LINEAR AUDIO
PROCESSING
IC234
R230 Q284
C269 R235 R238
5
1k 2PC4081R-115
1u
1k 1k
R233
C270 LINEAR AUDIO
22k
1u PROCESSING
0
5
5
C273
0
1u
2.5
C271
1u 1.9
R232
R231 R236 R237 R239
R234 C272
47
2.7k 1k 10k 470k
22k 1u
R218
R217
R216
5 0 3.3 0
18 19 20
R220
10k
5 0.3 5 5
4 3 2 1
8 9 11 12
10 13
3.3 0 5
7 6 5 4 3 2
0.2
C228 C229
10u 10u 10u
R228 R229
C211 C213
75 75
10u 10u
R254 R253 R258
0 0 0
C241
22p
C240
22p
C239
22p
3 4 5 6 7 8 9 10 11 12 13 1 2 3 4
P
R
YEL
RED RED RED
MONITOR
J202
P
B
BLU BLU BLU OUT YEL
3P
Y
GRN GRN GRN YEL
P
R
IN 2
P
B
Y
COMPONENT VIDEO
53 53
11 12 13
IC201
KIA7805AF-RTF/PW
IC201
+5V REG.
CL257
12
5
O I
G
C203
47u
5 Q286
35V
2PA1576R-115
LINEAR AUDIO
C204
PROCESSING
0 47u
35V
G -12
-5
O I
CL258
IC202
C274
R240
KIA7905F-RTF/PW
20k 0.47u
IC202
-5V REG.
75 R244 0
75
75
R243 0
R242 0
R245 0
C216
C217
47u
0.1u
6.3V
-5
14
FR_FIL
IC232
C653
C655
NJM2279M-TE2 R685
0.0027u 10u 50V
7.5k
IC232
FL-FIL
VIDEO SWITCH
C605 C603
R635
1
0.0027u 10u 50V
7.5k
1.4 0
SW_FIL
C505 C503
R535
0.0027u 10u 50V
7.5k
C_FIL
C555 C553
R585
0.0027u 10u 50V
7.5k
SR_FIL
C755 C753
R785
0.0027u 10u 50V
7.5k
SL_FIL
C705 C703
R735
0.0027u 10u 50V
7.5k
SBR_FIL
C853
C855
R885
10u 50V
0.0027u
7.5k
SBL_FIL
C805 C803
R835
0.0027u 10u 50V
7.5k
VIDEO
MONITOR OUT
VIDEO
VIDEO 1 IN
36
35
VIDEO
SAT/CATV IN
>058S
MAIN BOARD (4/4)
(Page 54)
STR-DN1050
14 15 16 17
>059S
CN272
12P DCDC BOARD
CL215
12 -12V
CN901
CL216
11 +12V
(Page 58)
10 +12V
C244
9 GND
68p CL238
8 CR IN
>029S
CL237
C243 7 GND
68p CL236
6 CB IN
DIGITAL BOARD
C242
5 GND
68p
(6/12)
CL235
4 CY IN
CN3202
C245 3 GND
100p
(Page 42)
CL234
1 CVBS IN
DAC-FR
DAC-FL
DAC-SW
CN1005
14P
CL400
DAC-SBL
DAC-C 14 DAC-SBL
13 AGND
CL401
DAC-SBR
12 DAC-SBR
DAC-SR CL402
DAC-SR
DAC-SR 11
>002S
10 AGND
CL403
DAC-SL
9 DAC-SL
DIGITAL BOARD
DAC-SW
CL404
DAC-SL 8 DAC-SW
(1/12)
7 AGND
DAC-C CL405
6 DAC-C CN2006
DAC-SBR 5 AGND
(Page 37)
CL406
DAC-FR
4 DAC-FR
AGND
3
DAC-FL CL407
DAC-SBL
1 DAC-FL
CL408