Preout Assy (1/2) - Pioneer SC-LX90 Service Manual

1

10.40 PREOUT ASSY (1/2)

PREOUT ASSY
U
A 1/2
(AWX8738)
V-15A
V-15A
V+15A
V+15A
GNDSEP
X2R
GNDSEP
B
X1R
GNDSEP
SW2
GNDSEP
SBR
GNDSEP
SR
GNDSEP
C2
GNDSEP
FR
GNDA
GNDA
GNDA
FL
C
GNDSEP
C1
GNDSEP
SL
GNDSEP
SBL
GNDSEP
SW1
GNDSEP
X1L
GNDSEP
X2L
D
AMP INPUT DT
AMP INPUT CLK
AMP STB
GNDU
GNDU
MUTE HP
HP RY
MUTE A
GNDD
GNDD
NC
E
HPR
GNDA
HPL
GNDA
GNDA
Z2 VOLOUT L
GNDSEP
Z2 VOLOUT R
GNDSEP
F
U
1/2
90
1
2
V-15A V+15A
FL
CN3511
CKS1761-A
17
16
15
14
13
X2R
12
11
X1R
10
9
SW2
STBY
8
7
SBR
6
5
SR
4
3
C2
2
C1
1
SL
CN3512
X1L
CKS1761-A
FR
17
SBL
16
Z2VOL
15
AIDT
14
FL AIST
13
AICK
12
C1
11
10
SL
9
8
SBL
7
6
SW1
5
4
X1L
3
2
X2L
1
GNDA
CN3513
XKP3076-A
AIDT
1
AICK Z2VOR
2
AIST
3
SBR
4
X1R
5
MUTEHP
6
SR
HPRY
7
MUTEA
C2
8
9
10
11
GNDU
STBY
GNDD
CN3515
XKP3075-A
HPR
1
2
HPL
3
4
FR
5
Z2VOL
6
7
Z2VOR
8
9
PREOUT
2
3
V+15A
C3557
IC3543 (1/2)
OPA2134UA
R3553
8
3
R3557
220
1
10k
4
2
AMP SELECTOR
(C1)
(LS)
(EXTL)
(SBL)
IC3541
TC9163CFG-TBB
(SBR)
(EXTR)
(RS)
(C2)
6
8
7
R3554
5 R3558
4
10k
220
IC3544
(2/2)
OPA2134UA
C3558
V-15A
U
2/2
SC-09TX
3
4
STBY
R3559 R3565
10k 0
IC3543
(2/2)
OPA2134UA
6
8
R3561
7
100
5
4
V-15A
GNDU
V+15A
IC3544
(1/2)
8
3 OPA2134UA
1
R3562
4
2
100
R3560 R3566
10k 0
STBY
NOTES
1.RESISTORS
Unit: k-k , M-M or unless otherwise noted.
Rated power: 1/16W unless otherwise noted.
Tolerance: ±5%(J) unless otherwise noted.
2.CAPACITORS
No marked Capacitors are CEAT or CKSRYB.
Unit: p-pF or F unless otherwise noted.
Rated Voltage: shown as
"Capacity( F)/Voltage(V)",
or 50V unless otherwise noted.
3.DIODES
No marked Diodes are 1SS352.
Parts or parts block marked by "STBY" are standby.
4
IC3542
TC9273CFG-012-TBB
GNDU