STR-DN1050
STR-DN1050
53
53
6-26. SCHEMATIC DIAGRAM – MAIN Board (3/4) –
• See page 66 for IC Block Diagrams.
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
MAIN BOARD (3/4)
30
29
36
35
3.3
3.3
3.3
3.3
12
5
5
-12
-5
7
5
7
0.2
1.4
0
5
5
0.3
-5
5
0
0
5
0
3.3
0
5
0
3.3
0
5
0
-5
-5
0
0
0
5
5
0
5
0
1.9
2.5
DAC-FL
DAC-SW
DAC-C
DAC-SL
DAC-SR
DAC-SBR
DAC-SBL
DAC-FR
DAC-SBL
DAC-SBR
DAC-SR
DAC-SL
DAC-SW
DAC-C
DAC-FR
DAC-FL
FR_FIL
FL-FIL
SW_FIL
C_FIL
SR_FIL
SL_FIL
SBR_FIL
C655
0.0027u
C605
0.0027u
C505
0.0027u
C555
0.0027u
C755
0.0027u
C705
0.0027u
C855
0.0027u
SBL_FIL
C805
0.0027u
C547
10u 50V
C546
10u 50V
C653
10u 50V
C603
10u 50V
C503
10u 50V
C553
10u 50V
C753
10u 50V
C703
10u 50V
C853
10u 50V
C803
10u 50V
CL418
CL419
CL400
CL401
CL402
CL403
CL404
CL405
CL406
CL408
CL407
CN1005
14P
1
DAC-FL
3
AGND
4
DAC-FR
5
AGND
6
DAC-C
7
AGND
8
DAC-SW
9
DAC-SL
10 AGND
11 DAC-SR
12 DAC-SBR
13 AGND
14 DAC-SBL
CN1002
19P
1
TUNER__IIC/RDS
2
TUNER_DA
3
TUNER_CE
4
TUNER_CK
5
+7V
6
R-IN
7
AGND
8
L-IN
9
-7V
10
+6V_USB
11
VCOM-SW2
12
V-SEL-SW2
13
V-SEL-SW1
14
VMUTE
15
COMP-DET
16
DCDC +3.3V
17
OPT-SAT
18
DGND
19
OPT-TV
7.5k
R685
7.5k
R635
7.5k
R535
7.5k
R585
7.5k
R785
7.5k
R735
7.5k
R885
7.5k
R835
35
34
33
32
31
CL259
CL260
CL261
CL262
C292
10u
C290
0.1u
C291
0.1u
R250
100
R259
100
FB201
0uH
JL262
JL260
JL261
JL263
CL242
CL241
CL240
CL239
1
VOUT
2
GND
3
VCC
IC231
JSR1124
1
VOUT
2
GND
3
VCC
DIGITAL OPTICAL
RECEIVER
IC231
IC230
JSR1124
DIGITAL OPTICAL
RECEIVER
IC230
C257
1u
C260
0.1u
C261
100p
C262
100p
C259
1u
1
TUNER_IISD
2
TUNER_VDD
3
TUNER_L/LRCK
4
TUNER_CE
5
TUNER_R/BCK
6
TUNER_GND
7
TUNER_DA
8
TUNER_IIC/RDSI
9
TUNER_CK
D202
CES521
+7V
TUNER_GND
FB202
0uH
FB203
0uH
FB204
0uH
FB205
0uH
FB206
0uH
FB207
0uH
FB209
0uH
FB208
0uH
CN273
9P
R296
1k
R295
1k
IC234
MM1839A50NRE
1
CONT
2
GND
3
NC
4
VOUT
VIN
5
TUNER_R/BCK
TUNER_L/LRCK
CL222
CL221
CL220
CL223
IN 1
(SAT/CATV ASSIGNABLE)
OPTICAL
IN 2
(TV ASSIGNABLE)
GRN
RED
BLU
GRN
RED
BLU
GRN
RED
BLU
YEL
YEL
YEL
C234
0.1u
C268
10u
C217
0.1u
C240
22p
C241
22p
C211
10u
C213
10u
C224
10u
C225
10u
C226
10u
C227
10u
C228
10u
C229
10u
C239
22p
C237
22p
C238
22p
C236
22p
C215
0.1u
C232
0.1u
C266
10u
C216
47u
6.3V
C214
47u 6.3V
CL233
CL217
CL230
CL229
CL228
CL224
CL226
CL227
CL232
CL219
CL231
CL245
CL246
CL247
G
O
I
G
O
I
C203
35V
47u
C204
35V
47u
CL258
CL257
IC202
KIA7905F-RTF/PW
IC201
KIA7805AF-RTF/PW
IC232
NJM2279M-TE2
1
VIN3
2
SW1
3
VIN2
4
MUTE2
5
VOUT2
6
GND2
7
GND1
8
V+
9
NC
10
VOUT1
11
MUTE1
12
VIN1
13
SW2
14
V-
IC220
NJM2586AVC3
CH1 IN1
SW1
CH1 IN2
SW2
CH1 IN3
6
V+1
7
CH2 IN1
8
GND
9
CH2 IN2
10
CH2 IN3
11
CH3 IN3
12
CH3 IN2
13
V-
1
14
CH3 IN1
15
V-
2
16
CH3 OUT
17
V+2
18
CH2 OUT
19
PS
20
5
4
3
2
1
CH1 OUT
J201
9P 1
2
3
4
5
6
7
8
9 10 11 12 13
J202
3P
1
2
3
4
10k
R220
0
R257
0
R256
0
R255
0
R254
0
R253
0
R258
75
R216
75
R217
75
R218
75
R21
1
75
R276
75
R277
75
R278
75
R213
75
R215
47p
C208
47p
C210
47p
C221
75
R224
75
R225
75
R226
75
R227
75
R228
75
R229
220
R212
C245
100p
C244
68p
C242
68p
C243
68p
CL237
CL238
CL236
CL216
CL215
CL235
CL234
CN272
12P
1 CVBS IN
3 GND
4 CY IN
5 GND
6 CB IN
7 GND
8 CR IN
9 GND
10 +12V
11 +12V
12 -12V
0
R244
0
R243
0
R242
0
R245
VIDEO
AMPLIFIER
IC220
+5V REG.
IC234
VIDEO SWITCH
IC232
+5V REG.
IC201
-5V REG.
IC202
2PA1576R-115
Q286
2PC4081R-115
Q284
2PC4081R-115
Q285
LINEAR AUDIO
PROCESSING
LINEAR AUDIO
PROCESSING
LINEAR AUDIO
PROCESSING
R230
1k
R238
1k
R235
1k
R236
1k
R231
2.7k
R232
47
R237
10k
R239
470k
R240
20k
R234
22k
C271
1u
C272
1u
C270
1u
R233
22k
C274
0.47u
C273
1u
C269
1u
CH1 = Y
CH2 = Pb
CH3 = Pr
P
R
P
B
Y
P
R
P
B
Y
P
R
P
B
Y
IN 1
(SAT/CATV ASSIGNABLE)
IN 2
(GAME ASSIGNABLE)
MONITOR
OUT
COMPONENT VIDEO
VIDEO
SAT/CATV IN
VIDEO
MONITOR OUT
VIDEO
VIDEO 1 IN
>053S
MAIN BOARD (2/4)
(Page 52)
>054S
MAIN BOARD (4/4)
(Page 54)
>056S
MAIN BOARD (4/4)
(Page 54)
>057S
MAIN BOARD (4/4)
(Page 54)
>005S
DIGITAL BOARD
(1/12)
CN2007
(Page 37)
>002S
DIGITAL BOARD
(1/12)
CN2006
(Page 37)
>029S
DIGITAL BOARD
(6/12)
CN3202
(Page 42)
>059S
DCDC BOARD
CN901
(Page 58)
>055S
TUNER1 BOARD
CN101
(Page 63)
>058S
MAIN BOARD (4/4)
(Page 54)