Schematic Diagram - Main Board (1/3) - Sony STR-DA1ES Service Manual

5-18. SCHEMATIC DIAGRAM – MAIN Board (1/3) – •
CN807
21P
T.L TUNL
GND
T.R TUNR
GND
L.O FNTL
GND
R.O FNTR
GND
LS SL
GND
RS SR
GND
C C
GND
W W
(Page 21)
GND
SB 9SB
GND
R SORR
GND
L SORL
C120
0.01
J111
6P
R111 1k Z7
L
FRONT
R112 1k Z8
R
R113 1k Z9
L
SURROUND
R114 1k Z10
R
MULTI CH IN
R115 1k Z11
CENTER
R116 1k Z12
SUB WOOFER
JW100
Z13
C119
2200p
(CHASSIS)
See page 45 for IC Block Diagram.
(1/3)
Q813
BN1F4M
MUTING
CONTROL
SWITCH
R551 R601 R501 R701 R451
6.8k 6.8k 6.8k 6.8k 6.8k
Q551 Q601 Q501 Q701 Q451
2SC3623A 2SC3623A 2SC3623A 2SC3623A 2SC3623A
MUTING MUTING MUTING MUTING MUTING
C121
2200p
AUDIO
SELECTOR
IC111
TC9274N-016
C122
2200p
SORR
INVERTER
CLK FUNC
SMUTE 2NDVOL
DATA
IC804
TC74ACT08P
R401
6.8k
LEVEL SHIFT
Q401
2SC3623A
MUTING
R826
1M
R833
1M
R119 1k
R571
100k
R521
100k
JW102
LINE AMP
IC621
R621 R421 M5218AP
100k 100k
JW101
C621 22 50V
(Page 33)
31 31
R836
10k
Q810
BN1F4M
CLK FUNC
FUNLAT
IC805
TC74ACT08P
LEVEL SHIFT
R815
10k
VRIN1
C571
22
50V
LINE AMP
IC521
M5218AP
VRIN2
C521
C721
22
22
50V
50V
VRIN3
JW402 JW404 RIN
C471
22
50V
LINE AMP
IC421
M5218AP
C421
22
50V
LIN
JW401 JW403
VRIN4
STR-DA1ES/DB780
CN806
21P
+15V
-15V
NC
NC
SMUTE S-MUTE
FUNLAT FUN LAT SW
2NDVOL 2ND VOL LAT
PROTECTOR
CD-RY
HPCONT HP-CONT
FRRY SP-FR-RY
HPRY HP-RY
SP-B-RY
REARRY REAR-RY
(Page 22)
SBRY D803 1SS133 C-RY
2ND-RY
PRERY PRE-RY
SB-RY
FUNC R827 1k FUNC-LAT
CLK CLK
DATA DATA
PRO
A1
A2
A3
A4
(Page 32)
A5