Schematic Diagram - Main Board (4/4) - Sony STR-DA5300ES Service Manual

6-18. SCHEMATIC DIAGRAM – MAIN Board (4/4) –
1 2
MAIN BOARD (4/4)
A
B
J1101
FRONT L
FRONT R
SURROUND L
C
SURROUND R
PRE OUT
D
J1102
SUR BACK L
SUR BACK R
CENTER
E
SUB WOOFER
(CHASSIS)
42
STB+5V
STBGND
MAIN
TX232
F BOARD
(2/4)
RX232
(Page 49)
J1499
9P
G
(CHASSIS)
RS-232C
45
C1498
CN1491 100p
H
MAIN
BOARD
(3/4)
CN1401
(Page 50)
STR-DA5300ES
• See page 127 for IC Block Diagrams.
3 4 5
R2190
C2192
1k
100p
D2190 MA111-TX
R2191
C2193
1k
D2191 MA111-TX 100p
C2189 1000p
C2195 R2192
1k
100p
D2192 MA111-TX R2193
C2196
1k
D2193 MA111-TX 100p
C2190 1000p
R2194
C2197
1k
100p
D2194 MA111-TX
R2195
C2198
1k
D2195 MA111-TX 100p
C2191 1000p
C2200 R2196
1k
100p
D2196 MA111-TX
C2201 R2197
100p 1k
D2197 MA111-TX
C2194 1000p
IC1499
IC B/D
RS-232C DRIVER
IC1499
MAX232DR
R2OUT
9 8
R2IN
T2IN
10 7
T2OUT
4.9 -8.6
T1IN
11 6
VS-
4.8 -4.4
R1OUT
12 5
C2-
R1499
100 0 4.5
R1IN
13 4
C2+
R1498
100 -8.6 2.4
T1OUT
14 3
C1-
9
GND
15 2
VS+
C1496
0.1 4.9 6.9
VCC
16 1
C1+
C1495
C1491
2.2
1
6 7 8
RY1101
-1
-2
R2206
10
C2203
0.1
R2198
R2202
D1101
4.7k
10k
MA111-TX
RY1102
-1
-2
R2207
10
C2202
0.1
R2199
4.7k
D1102
R2203
MA111-TX
10k
RY1103
-1
-2
R2208
10
C2204
0.1
R2200
R2204
4.7k
D1103
10k
MA111-TX
RY1104
-1
-2
R2209
10
R2201
C2205
4.7k
0.1
R2205
D1104
10k
MA111-TX
C1492
1
C1493
1
C1494
1
FB1499
51 51
9 10
0 R2220
R2227
100 100k
0.7
Q1101
R2219 R2226
2SC2712-YG-TE85L
100 100k
RELAY DRIVE
R2224
R2229
100 100k
R2223 R2228
100 100k
R2212 R2231
100 100k
0
0.7
Q1102
2SC2712-YG-TE85L
RELAY DRIVE
0
0.7
Q1103
R2230
R2211
2SC2712-YG-TE85L
100k
100
RELAY DRIVE
R2216 R2233
100 100k
R2215 R2232
100 100k
0
0.7
Q1104
2SC2712-YG-TE85L
RELAY DRIVE
STR-DA5300ES
11 12 13
CN1206
11P
C2209
22 11
GND
50V
10 R PREOUT
C2208
22 9
GND
50V
8
L PREOUT
AQ
C2207
22 7
GND
50V
E-VOL
6
SR PREOUT
C2206
BOARD
22 5 (1/2)
GND
50V
CN1208
4
SL PREOUT
C2211
(Page 70)
22 3
GND
50V
1
SBR PREOUT
CN1205
7P
C2210
22
7 GND
50V
AR
6 SBL PREOUT
C2213
22 5
GND
E-VOL
50V
4 W PREOUT BOARD
C2212
(1/2)
22 3
GND
CN1209
50V
1 C PREOUT
(Page 70)
44
RY_GND
MAIN
PREOUT_RY
BOARD
+12V
(3/4)
(Page 50)