Schematic Diagram - Main Board (1/3) - Sony STR-DE1075 Service Manual

5-20. SCHEMATIC DIAGRAM – MAIN Board (1/3) – •
CN807
21P
TUNER-L G2
GND
TUNER-R
G1
GND
FRONT-L D7
GND
FRONT-R D6
GND
SL D5
GND
SR D4
GND
C D3
(Page 22) GND
DB9-SB/DB8-W D2
GND
DB9-W/DB8-NC D1
GND
SOURCE-R
B2
GND
SOURCE-L
B1
C107
(CHASSIS) 2200p
J305
6P
R101
1k
E1
L
FRONT
E2
R
R102 1k
R103 1k
E3
L
MULTI CH IN 2 SURROUND
E4
R
R104 1k
R105 1k
E5
CENTER
E6
SUB WOOFER
R106 1k
C177
(CHASSIS) 2200p
J304 6P
R151 1k
E7
L
FRONT
E8
R
R152 1k
R153 1k
E9
L
SURROUND
E10
MULTI CH IN 1 R
R154 1k
R155 1k
E11
CENTER
E12
SURROUND BACK
R156 1k
R157 1k
E13
SUB WOOFER
J307
1P
See page 42 for IC Block Diagrams.
R651 R551 R601 R501 R451
6.8k 6.8k 6.8k 6.8k 6.8k
R701
6.8k
Q701
Q651 Q551 Q601 Q501 2SC3623A Q451
2SC3623A 2SC3623A 2SC3623A 2SC3623A 2SC3623A
MUTING
MUTING MUTING MUTING MUTING MUTING
F2
AUDIO SELECT
IC101
TC9274-014
F1
C138
0.01
VCC
VSS
IC702
M5218AP-22
BUFFER
C702
220p
R833
1M
R401
6.8k
R826
1M
Q401
2SC3623A
MUTING
VCC
BUFFER
IC502
M5218AP-22
C818
22
25V
VCC
C819 BUFFER
22
IC402
25V
M5218AP-22
JW802
JW801
C718
47 C704
16V 100p
VCC
BUFFER
IC602
M5218AP-22
N3
R704
1k
R702 C701
1k 22
N1
50V
ELECTRICAL
VOLUME
IC701
TC94A07P
R703 N2
100k
(Page 33)
31 31
C518
C519
47
100p
16V
J1
N3
R502 1k C501 22 50V
R504
1k
N1
ELECTRICAL
VOLUME
VSS
IC501
TC94A07P
C551
22
R552
50V
1k N2
J2
C821 C567
0.01 47
16V
C812 C467
C420
0.1 47
100p
16V N3
R404
1k
J4
N1
R452 C451
1k 22
50V
ELECTRICAL
VOLUME
VSS
IC401
TC94A07P
R402 C401
1k 22 50V
N2
J3
C419
C813
47
0.1
16V
C618 C619
47 100p
16V N3
R604 1k J5
N1
C601
R602
22
1k
50V
C703
22
50V
ELECTRICAL
VOLUME
VSS
IC601
TC94A07P
I2
R652 1k C651 22 50V
N2 R852
4.7k
J6
C667
47
16V
I3
R859
2.2k
I1
R813
4.7k
The components identified by mark 0 or dotted Les composants identifiés par une marque 0 sont
line with mark 0 are critical for safety.
critiques pour la sécurité. Ne les remplacer que
Replace only with part number specified. par une pièce portant le numéro spécifié.
STR-DE1075
1A
(Page
32)
2A
CN805
4P
SW
GND
RY+
FSP,RY-
(Page 39)
RY807
-1
-2
D816 R854
1SS133T-72 10
Q825
2SC2785TP-
RELAY DRIVE
R853
10k
Q826
2SC2785TP-
RELAY DRIVE
R860
10k
Q808
2SC2785TP-
RELAY DRIVE
R817
10k