Schematic Diagram - Main Board (5/5) - Sony STR-DN850 Service Manual

6-34. SCHEMATIC DIAGRAM – MAIN Board (5/5) –
1 2 3
A
>068S
MAIN BOARD (4/5)
(Page 68)
B
C
>064S
MAIN BOARD (3/5)
D
(Page 67)
E
F
G
>065S
H
MAIN BOARD (3/5)
(Page 67)
I
J
K
STR-DN860/DN1060
• See page 79 for IC Block Diagrams.
4 5 6
MAIN BOARD (5/5)
+7V
TUNER_GND
TUNER_CE
TUNER_L/LRCK
TUNER_R/BCK
TUNER_DA
TUNER_CK
TUNER_IIC/RDS
V_SEL_SW2
V_SEL_MUTE
V_COM_MUTE
+6.2V
C1283
1u
5
IC1280
MM3411A50NRE
IC1280
+5V REG.
+3.3V
OPT_SAT
DGND
OPT_TV
5 5
C1280
FB1201
1u
0uH
IC1230 IC1231
JSR1124 JSR1124
IC1230 IC1231
DIGITAL OPTICAL DIGITAL OPTICAL
3.3 3.3 3.3 3.3
RECEIVER RECEIVER
TV SAT / CATV
IN 2 IN 1
(TV ASSIGNABLE) (SAT/CATV ASSIGNABLE)
OPTICAL
7 8 9 10
7 3.3
C1202
1u
C1206
10u
IC1237
MM1839A33NRE
IC1237 C1204
1u
+3.3V REG.
X1200
12MHz
0.1 0.2 3.3
3.2
R1204
10k
R1208
0
15 IC1236
CP1
RN5B701-0001
14
(US, CND)
JL1200 IISD
13 RN5B701-0002
R1200 1k C1243 10u
LRCK/LOUT (EXCEPT US, CND)
R1201 1k C1244 10u 1.6 12
BCLK/ROUT IC1236
11
R1205 22 1.5
DA
FM RECEIVER
0
3.3 3.3
C1209
0.0022u
R1206 22
R1207 100
C1217
R1215
47u 35V
75
8 7
0
VOUT NC_7
C1240 9
C1213 6 0 C1214
GND MUTE
47u 35V
0.1u 0.1u
IC1232
5 10 5 0
VCC VIN3
NJM41050V (TE2)
11 4
0.1 0
SREFV IC1232 SW2
C1211 0.1 12 3 0
R1211
VSAG VIN2
1u VIDEO SWITCH
68k
0.2 13 2 5
C1212
SSIGV SW1
14 1 0.1u
NC_14 VIN1
R1210
C1210
68k
0.1u
R1213 10k
DN1060
R1278 75 CL1232
R1277 75
CL1231
R1276 75 CL1230
C1235
47u
35V
0 8 7 0
VSAG
POWER SAVE
0 9 6
VOUT3 GND
IC1240
C1226
C1234 5 10 5 0 CL1249
V+3 NJM2580V (TE1)
VIN3
0.1u
0 11 4 C1233
IC1240
VOUT2 GND
5 12 3 0 CL1250
C1232 C1225
V+2 VIN2
VIDEO
0.1u
0 13 2 C1229
AMPLIFIER
VOUT1 GND
5 14 1 0 C1224
V+1 VIN1
C1227
C1228
0.1u
69 69
11 12 13
L1200
22nH
3.3
C1221
10p
21
C1230
L1203
68p
CL1200
1 0 47nH
FRF1
2
C1223 L1202
FRF2 R1216 CL1201
3 47p 47nH
100
GNDRF_3
R1217
4 0
C1222
CP2 0
D1200
0.047u
5
BAV99-215
GNDRF_5
3.3
L1201
22nH
R1209
10k
C1218 47p CL1247
C1216 47p
CL1246
R1214 75
C1215 47p
CL1245
R1212 75
R1226 C1238 C1237 C1236
10u
75 22p 22p 22p
0.01u CL1226
R1225
10u
75
0.01u CL1225
R1224
10u
75
0.01u
CL1224
Note: IC1236 on the MAIN board cannot exchange with single.
STR-DN860/DN1060
14 15 16 17
CN1200
2P
2 RF
FM ANTENNA
1 RF GND
R1218
0
CL1248
DN860
J1202
3P
P P Y
R B
MONITOR
OUT
COMPONENT VIDEO
J1201
9P
P P Y
R B
SAT/CATV
(ASSIGNABLE) IN
When this part on the MAIN board is damaged, exchange
the entire mounted board.