Schematic Diagram - Main Board (2/4) - Sony STR-DN1050 Service Manual

STR-DN1050
6-25. SCHEMATIC DIAGRAM – MAIN Board (2/4) –
1 2 3
MAIN BOARD (2/4)
A
5
6
7
4
1
2
B 3
11
>046S
MAIN BOARD
9
(1/4)
(Page 51)
C
12
10
13
8
D
24
>048S
MAIN BOARD (1/4)
(Page 51)
23
22
>049S
25
E
26
MAIN BOARD (4/4)
27
(Page 54)
28
CL393 DCAC-IN
DCAC-IN 22
CL392
HP-CLK 21
CL391 R449 220 CLK
EVOL-CLK 20
CL390 DATA
R450 220
EVOL-DATA 19
F
CL389
PROTECT 18
CL388
C-SL-SR-RY 17
CL387
FRONT-SPK-RY
16
CL386 SW
>006S
ZONE2-PREOUT-SW-RY 15
CL385
SBL-SBR-RY 14
DIGITAL CL384
BRIDGEABLE-RY 13
CL383
BOARD
HP-RY 12
CL382
TEMP-SENSOR1 11
(1/12)
G CL381
TEMP-SENSOR2 10
CN2008 CL380
LIMITER 9
BTL-N
(Page 37)
BTL-N
8
BTL-P
BTL-P 7
BTR-P
BTR-P 6
BTR-N
BTR-N 5
NWL-N
NW_LCH N/AGND 4
NWL-P
NW_LCH_P/NW_Z2_L
3
H NWR-P
NW_RCH_P/AGND 2
NWR-N
NW_RCH_N/NW_Z2_R 1
CN1003
22P
B,FL,V,RY 1
PROTECTOR
2
ACLASS 3
I
SBL/SBR 4
FOR REFER SR/SL 5
INDICATION
C 6
FL/FR 7
CHASIS 8 W001
PHASE 9
DIG
10
GP801
J
10P
K
STR-DN1050
4 5 6 7
-59
3.3
Q320
Q321
0
2SA1514KT146S
2PD601ART
C320
0 R320
PROTECTOR PROTECTOR
220u
22k
10V
C323
R323
0
220u
22k
Q323
10V
2SA1514KT146S D327
0
PROTECTOR BAV70
-59 Q324 3.3
2PD601ART
PROTECTOR
R327 R325
10k 6.8k
Q325
2SC2713-G
3.3
PROTECTOR
D326 -59
BAV70
C325
R326
10u -59
39k
50V
R328
1k
R363
47k
TH251 TH252
10k 10k
Q360
2PD601ART
RELAY
C250 R251 R252 DRIVER
0.1u 2.2k 2.2k 0.2
SBR_OUT
SBL_OUT
CC17
0.01u
RR17
10
TB503
29 30
4P
>053S
SURROUND BACK/ BI-AMP/
MAIN BOARD (3/4)
FRONT HIGH/ FRONT B/ ZONE 2
(Page 53)
8 9 10 11
R360 R355 R367
R358 R366
2.2k 1k 1k
47k 47k
R361 Q355 R356 Q365 R365
33 2PD601ART 33 2PD601ART 33
RELAY RELAY
0.8 0.8 0.8
DRIVER DRIVER
D360 0.2 D355 0.2 D365
DA2J10100L DA2J10100L DA2J10100L
RY360 RY355 RY365
12V 12V 12V
6 1 6 1 6 1
2 3 SR_OUT 2 3 C_OUT 2 3
5 4 SL_OUT 5 4 5 4
CC15
CC18 CC14
0.01u
0.01u 0.01u
RR18 RR15 RR14
10 10 10
TB502 TB501
4P
R L R L
SURROUND
SPEAKERS IMPEDANCE USE 6-16
52 52
12 13 14
RY921
R394 R395
12V
330 330
R392 R393
330 330
C322
0.01u
D375
DA2J10100L
Q375
14
2PD601ART
0 R377
RELAY
33
DRIVER
D910 ~ D913
R378
R375
1SR154-400TE-25
2.2k 47k
D910
D911 D912 F910
C986
2.5A 250V
2200u
25V
C911 C910
D913
0.47u 0.47u
C985
1000u
25V
F911
2.5A 250V
D921
D5SBA60-F
C914
0.22u
C936
8200u 71V
C937
C915
8200u 71V
0.22u
R920
RY920
33
D920
DA2J10100L
R921
0.1
2.2k
0.8
R925
47k
R350
R353
2.2k
47k
Q350 R351
2PD601ART 33
RELAY
0.8
DRIVER
0.2 D350
DA2J10100L
RY350
12V
6 1
FR_OUT 2 3
FL_OUT 5 4
CC13 CC12 CC11
0.01u
0.01u 0.01u
RR12 RR11
RR13
10 10
10
6P
R L
CENTER
FRONT A
15 16 17
R398 27
CN391 >050S
R397 27
4P
CL364
1 HP-Detect
HEADPHONE
CL362
2 R-CH
BOARD
3 GND
CL363
CN107
4 L-CH
(Page 65)
ET301
CL354
(CHASSIS)
>051S
CNP930
5P
CL366
1 R2 AC POWER
2
TRANSFORMER
CL367
3 CENTER TAP
(MAIN)
4 NC
CL368
5 R2 AC T901
(Page 60)
CNP920
5P
F912 CL369
5 R1 (UPPER TAP)
6.3A 250V >052S
CL370
4 R1 (LOWER TAP)
CL371
POWER
3 R1 GND
CL373
2 R1 (LOWER TAP)
TRANSFORMER
CL372
1 R1 (UPPER TAP)
F913 (MAIN)
6.3A 250V
T901
(Page 60)
Q920
2PD601ART
RELAY
DRIVER