Sony STR-DA1000ES Service Manual page 110

STR-DA1000ES/DB790
3-2. SCHEMATIC DIAGRAM – MAIN Board (1/3) –
(1/3)
CN402
20P
STOP
PW-RY
SUB.T
-15V
+15V
TUNER-R
TUNER-L
GND
F-R F-R
GND
F-L F-L
C C
SW SW
(Refer to page 31 SR SR
on original
service manual) SL SL
SBR SBR
SBL SBL
SOURCE-R
NC
R455
2.2k
SOURCE-L
R405
CN404 2.2k
20P
SOURSE-L
GND
SOURSE-R
GND
SL SL
GND
SR
SR
GND
SW SW
GND
C C
GND
(Refer to page 39
FRONT-L F-L
on original
service manual)
GND
FRONT-R F-R
GND
TUNER-L
GND
TUNER-R
GND
CN406
10P
VIDEO-L
GND
VIDEO-R
+15V
-15V
FUN-LAT F-LAT
CLK CL
(Refer to page 33
on original DATA DA
service manual)
TUNER-L
TUNER-R
CN403
20P
+5V(D)
GND
DATA
CLK
FUNC-LAT R827 1k
FUN LAT SW
S-MUTE
V-SW4
V-SW3
V-SW2
V-SW1
LIMITER
3
PROTECTOR
(Refer to page 30
C/SB-RY D818 1SS133
on original
service manual) SW-RY D820 1SS133
SUR-RY D816 1SS133
SP-B-RY D812 1SS133
FR-RY D819 1SS133
HP-RY
DETECT
SUB.T SUB.T
PW-RY PW-RY
STOP STOP
GND(RY)
+24V(RY)
(Refer to page 53
on original
CN414
service manual)
5P
STR-DA1000ES/DB790
STOP
PW-RY
SUB.T
Q810
BN1F4M
INVERTER
LEVEL SHIFT
CLK
IC804
TC74ACT08P
CLK FUNC-LAT FUN LAT SW
CL
F-LAT
DATA
DA
R815
10k
R651 R501 R551 R751
6.8k 6.8k 6.8k 6.8k
R701
6.8k
Q701 Q651 Q501 Q551 Q751
2SC3623A 2SC3623A 2SC3623A 2SC3623A 2SC3623A
MUTING MUTING MUTING MUTING MUTING
(DA1000ES)
Q813
BN1F4M
MUTING CONTROL
R833
1M
R826
1M
R782
100k
C753
RY807
*
D810
1SS133
R829
DATA
10
CLK
FUNC-LAT
FUN LAT SW
Q826
2SC2785TP
-FEK
SW4
RELAY
SW3
DRIVE
SW2
SW1
R839
10k
BUFFER
PRO
IC402
M5218AP
SUR
R838
2.2k
SP
FR
HP
R820
Q811
2.2k
2SC2785TP
-FEK
R821 RELAY
10k
DRIVE
(Page 7)
LEVEL SHIFT
IC805
TC74ACT08P
FUNC-LAT
AA1
R830
1k
DATA
AA2
AA3
BUFFER
IC502
M5218AP
R811 C816
10k 0.1
R601 R401 R451
6.8k 6.8k 6.8k
Q601 Q401 Q451
2SC3623A 2SC3623A 2SC3623A
MUTING MUTING MUTING
BUFFER
IC652
M5218AP
* C401, 456, 501, 551, 601, 701, 751, 753
100 16V (DB790: SP, TW, KR, CH/DA1000ES)
100 25V (DB790: AEP, UK, AUS)
C456
R457
*
1k
C468 FNT-R
220
C457
16V
220p
C813
R458 2200p
100k
BUFFER
IC602
R403 C821 M5218AP
100k 0.01
C402
220p C812
2200p
IC401
CXD9725M
ELECTRICAL
VOLUME
FNT-L
R404 1k
R402 C401
1k *
C418 C419
220 16V 100p
6 6
R841 Q824
33 2SC1815YGR R828
4.7k
+5V
C817
C819
47 REGULATOR
*
35V
C814 C815
D815
47 47
HZS6B2
16V 16V
R846
33
C568
R552 C551
220
1k *
16V
S-R
R553
100k
C552
220p
C502
220p
ELECTRICAL
VOLUME
R503
100k
IC501
CXD9725M
S-L
C518
R504
220
1k
16V
C501 *
C718 220 16V
R502
1k
R702 1k C701 *
R703
100
ELECTRICAL
C702 VOLUME
220p
IC651
CXD9725M
R653
100k
(DA1000ES)
C652
220p
C651
100 16V
R652 1k
C669 R654
100p 1k
C668 220 16V
C768 C751
220
*
R752 1k 16V SSW
R753
100k
C752
220p
ELECTRICAL
VOLUME
C602
220p IC601
CXD9725M
R603
100k
C618 CC
220
16V R604 1k
C619 100p
R602 1k C601 * JW813
JW814
* C818, 819
22 25V (DA1000ES)
22 50V (DB790)
C818 CN405
* 20P
+15V
-15V
JWH004 GND
F-LAT FUN-LAT
CL CLK
DA DATA
GND
FNT-L FRONT-L
GND
FNT-R FRONT-R
GND
CC C (Refer to page 39
on original
GND
service manual)
SSW SW
GND
S-L SL
GND
S-R SR
CN420
6P
+15V
GND
-15V
(Refer to page 45
on original
service manual)
B1
B2
B3
B4
(Page 8)
B5
B6
B7
B8