Schematic Diagram - Main Board (2/4) - Sony STR-DA4400ES Service Manual

6-16. SCHEMATIC DIAGRAM - MAIN Board (2/4) -

1 2
MAIN BOARD (2/4)
A
TX232
42
RX232
STB+5V
MAIN
BOARD
(4/4)
(Page 45) STBGND
B
CN1003
9P
C
9
RY GND
8
RY+12V
K
7
+15V
6
GND
ANALOG
BOARD
5
-15V
(1/3)
ADFL 4
CN610
(Page 60)
GND 3
1
ADFR
D
SR
SR
SL
SL
SBR
SBR
SBL
SBL
SW
SW
COM2-CLK
E
COM2-CLK
COM2-DATA
COM2-DATA
41
FUNC-LAT
FUNC-LAT
GND
MAIN
BOARD
-15V
(1/4)
+15V
(Page 42)
A
F
C
C
AGND
FL
FL
FR
FR
A'
G
CN1409
5P
G
RCH 5
GND 4
ANALOG
LCH 3
H BOARD
1
(1/3) GND
CN727
(Page 60)
I
GND
+12V
-15V
+5V
RY
J
RYGND
43
+3.3V_GND
FLGND
MAIN
STB+5V
BOARD
(3/4) DSP+2.5V
(Page 44)
DSP+3.3V
+15V
COAX+4V
K
A
STR-DA4400ES
• See page 118 for IC Block Diagrams.
3 4 5 6
C2393
22
50V
R2398
10k
8
1
R2394
10k
C2390
2200p
C2392
R2217 0.01
220
R2210
C2391
22
2200p
-2 -1
RY1105
C2330
C2331 22 50V 22
50V
R2391
33
D1105
MA111-TX
C2214
0.1
7 8 9
R2399 R2392 R2397
10k 10k 10k
IC2392
7 6 5 8 7 6 5
MIX
IC2392
NJM4565M(TE2)
2 3 4 1 2 3 4
R2393
10k
R2390
33
R2395
10k
R2400
R2402 R2404
15k
4.7k 15k
IC B/D
IC2390
1 2 3 4 5 6 7 8 9 10 11 12 13
ELECTRICAL VOLUME
IC2390
TC9273CFG-012(EL)
28 27 26 25 24 23 22 21 20 19 18 17 16
R2401
15k R2403 R2405
4.7k 15k
R2396
10k
43 43
10 11 12 13
IC2391
MIX
IC2391
NJM4565M(TE2)
FUNC-LAT
COM2-CLK
COM2-DATA
CCD-RY
PREOUT_RY
D1001
SP-A-RY
SP-B-RY D1002
C-RY D1003
SB-RY D1004
REAR-RY D1005
C2394
C2395
22 HP-RY
100p
50V
V-POW
P-ON-RY
STOP
14
SR
SL
FR
15
FL
SW
C
R2500
0
SBR
SBL
TEMP(4/8)
STR-DA4400ES
14 15 16
CN1004
14P
1 ADFL
3 GND
4 GND
5 ADFR
6 +15V
E
7 -15V
8 +5V
DIGITAL
9 GND+3.3V
BOARD
10 GND+3.3V (3/4)
CN2204
11 DSP2.5V
(Page 50)
12 DSP2.5V
13 DSP3.3V
14 COAX4V
CN1005
20P
20
232C_TX
19 232C_RX
18 4/8_RY
17 FUNC_LAT
R2406 1k
16 D.MIX_LAT
15
VOL_LAT
14
COM2_CLK
13
COM2_DATA
12
CD-DIRECT_RY
AJ
11 PREOUT_RY
MA111-TX
R5108 2.2k
10 SP.A_RY
CONTROL
MA111-TX R5107 2.2k
9 SP.B_RY BOARD
MA111-TX R5106 2.2k (1/2)
8 C_RY
CN2006
MA111-TX R5105 2.2k
7
SB_RY (Page 106)
MA111-TX R5104 2.2k
6
REAR_RY
5
HP_RY
4
PROTECTOR
3 D_POWER
2 POW_RY
1 STOP
CN1203
15P
15
VDATA
14
VCLK
13 VLAT
12 AGND
11 SR
10
AGND
AL
9
SL
8
AGND
E-VOL
7
R BOARD
(1/2)
6 AGND
CN1203
(Page 64)
5 L
4 AGND
3 SW
2
AGND
1
C
CN1006
10P
10 TRG_GND
9 TRG_GND
8 TRG12V
AK
7
TRG12V
6
FL_GND
CONTROL
5
FL12V
BOARD
4
STB5V (2/2)
CN2008
3 STB5V
(Page 107)
2 STB_GND
1 STB_GND
CN1204
10P
10
SBR
9
AGND
8 SBL
AP
7 AGND
6 +15V
E-VOL
5 -15V
BOARD
4 GND
(2/2)
CN1204
3
TEMP 4/8
(Page 65)
2
4/8
1
PROTECT