Schematic Diagram - Main Board (3/4) - Sony STR-DN840 Service Manual

STR-DN840
5-21. SCHEMATIC DIAGRAM – MAIN Board (3/4) –
1 2 3
A
MAIN BOARD (3/4)
IC2352
DIGITAL OPTICAL
IC2352
RECEIVE
JSR1124
JL2870
VCC
B
JL2869
IN 2
OUT
(TV ASSIGNABLE)
JL2868
GND
OPTICAL
VCC
IN 1 JL2871
OUT
(SAT/CATV ASSIGNABLE)
GND
IC2351
IC2351
JSR1124
C
DIGITAL OPTICAL
RECEIVE
CL242
OPTICAL_SAT 25
CL241
DGND 24
CL240
OPTICAL_TV 23
CL239
+3.3V 22
CL217
COMP_DET 21
CL222
V_MUTE 20
D
CL221
V_SEL_SW1/+6V_DCDC 19
CL220
V_SEL_SW2 18
CL223
V_COMP_SW2 17
CL219
V2_VIDEO 16
DIGITAL
CL218
V_GND 15
CL419
BOARD
L_IN 14
A
(1/8) A_GND 13
CL418
R_IN 12
E CN2000
A_GND 11
CL417
(Page 28)
LCH_N 10
CL416
LCH_P 9
CL415
RCH_P 8
CL414
RCH_N 7
CL413
+7V 6
CL412
-7V 5
CL411
NC 4
F
CL410
NW_L_VOLIC_IN 3
A_GND 2
CL409
NW_R_VOLIC_IN 1
CN2014
25P
31
MAIN BOARD 32
G
33
7
(4/4)
34
35
(Page 41)
36
37
H
I
J
K
STR-DN840
• See page 51 for IC Block Diagrams.
4 5 6 7
FB2890
0uH
C2354 0.1
R2354 100
C2351 0.1
R2351 100
C2370 10
6 6 6
4 5 6
S D D
L_IN
C546 10 50V
PROTECTION
G D D
R_IN
C547 10 50V
C281
3 2 1
0.1
6 6
R281
C282
10k
0.01
R282
Q282 4.7k
DRC5114E0L 0
MUTE
0
PROTECTION
NW_L_VOLIC_IN
NW_R_VOLIC_IN
DRC5114E0L
PROTECTION
CL245
VIDEO
SAT/CATV IN
8 9 10
TH252
SW
DATA
CLK
Q281
PMG85XP
DCAC_IN
MUTE
TUNER_L
TUNER_GND
TUNER_R
NW_R_VOLIC_OUT
NW_L_VOLIC_OUT
C203
C284
47
0.1
35V
0
C2374
0.1
Q283
FR_FIL
6 1.5
MUTE C655 2700p
IC2354 3 2 1
R682 100k
NJM41010F1
IC B/D
C2373
1000 FL-FIL
IC2354 6.3V
C605 2700p
VIDEO DRIVER
R632 100k
4 5 6
2 2 0
SW_FIL
C505 2700p
R532 100k
C_FIL
C555 2700p
R582 100k
SR_FIL
C2371 C2372
0.1 0.1
C755 2700p
R782 100k
SL_FIL
C705 2700p
R732 100k
SBR_FIL
C855 2700p
R882 100k
SBL_FIL
C805 2700p
R832 100k
J218
CL246 CL247
3P
VIDEO VIDEO
VIDEO IN MONITOR OUT
40 40
11 12 13 14
MAIN BOARD
3
(1/4)
16
(Page 38)
CN2015
25P
TH251
CL350
R332
1 NC
0
CL351
R252 R251
C250 2 Destination
2.2k 2.2k
0.1 CL379
3 +3.3V Stby
CL380
4 LIMITER
CL378 CL381
5 TEMP_SENSOR_2
CL382
6 TEMP_SENSOR_1
HP CL383
7 HP_RY
BRIDGE CL384
8 BRIDGEABLE_RY
SBL_R CL385
9 SBL_SBR_RY
CL386
10 ZONE2_PREOUT_SW_RY
LR CL387
11 FRONT_SPK_RY
C_SUR
CL388
12 C/SL_SR_RY
PROTECT CL389 C
13 PROTECT
R450 220 CL390
14 EVOL_DATA
R449 220 CL391
15 EVOL_CLK
HP_DET
CL392
16 HP_DET
CL393
17 DCAC_IN
18 A_GND
CL395
19 TUNER_L
CL396
20 TUNER_GND
CL397
21 TUNER_R
22 A_GND
CL398
23 NW_R_VOLIC_OUT
24
A_GND
CL399
25 NW_L_VOLIC_OUT
MAIN BOARD
6
30
(2/4)
(Page 39)
C653 CN304
14P
10 50V
FR-IN SBL-IN
CL400
14 SBL
R685
13 A_GND
7.5k
SBR-IN
CL401
12 SBR
SR-IN CL402
C603
11 SR
10 50V
FL-IN
10 A_GND
SL-IN
R635 CL403
9 SL
B
7.5k
SW-IN CL404
8 SW
C503
7 A_GND
10 50V
SW-IN C-IN CL405
6 C
(Page 28)
R535
5 A_GND
7.5k
FR-IN CL406
4 DAC_FR
C553
3 A_GND
10 50V
FL-IN CL407
C-IN
1 DAC_FL
R585
7.5k
C753
10 50V CL408
SR-IN
R785
7.5k
C703
10 50V
SL-IN
R735
7.5k
C853
10 50V
SBR-IN
R885
7.5k
C803
10 50V
SBL-IN MAIN
R835
BOARD
38
7.5k
8
39 (4/4)
40
(Page 41)
15 16 17
DIGITAL
BOARD
(1/8)
CN2002
(Page 28)
DIGITAL
BOARD
(1/8)
CN2003