Pioneer VSX-94TXH Service Manual page 117

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XPREGAIN
B
TE
L 13942296513
VLCK
MRVLDT
www
NOTES
1.RESISTORS
Unit: k-kΩ, M-MΩ or Ω 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 μF unless otherwise noted.
Rated Voltage: shown as "Capacity(μF)/Voltage(V)",
or 50V unless otherwise noted.
3.DIODES
No marked Diodes are 1SS352.
* Parts or parts block marked by "STBY" are standby.
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V+7A
STBY
C
Q2634
STBY
E
C2591 STBY
0
R2502
R2513
TS
C2503 (F)
4.7/50
Q2503
STBY
R2511
STBY
R2512
STBY
Q2504
STBY
TS
R2514
C2504
4.7/50
R2537
6.8k
TS
(C)
C2527
4.7/50
Q2527
STBY
R2535
STBY
R2536
STBY
Q2528
STBY
TS
R2538
C2528
(SW)
4.7/50
R2563
(S)
TS
C2553
4.7/50
Q2553
STBY
R2561
STBY
R2562
STBY
Q2554
STBY
TS
R2564
C2554
4.7/50
R2587
TS
C2577
(SB)
4.7/50
Q2577
STBY
R2585
STBY
R2586
STBY
Q2578
STBY
TS
R2588
C2578
6.8k
4.7/50
V-12A
The > mark found on some component parts should be
replaced with same parts (safety regulation authorized)
x ao u163
y
of identical designation.
i
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8
PRE • AMP
(2/2) V+12A
IC2501
uPC4570G2
6.8k
4
+
C2515
5
R2521
FLOUT
L
7
0 (F)
47/25
-
8
6
R2519
18k
100p
C2511 CH
C2512 100p
CH
18k
R2520
2
4
-
R2522 C2516
1 FROUT
R
3 0 47/25
+
8
6.8k
IC2501 (1/2)
uPC4570G2
V-12A
IC2525 (1/2) V+12A
uPC4570G2
4
+
5
R2545 C2539
COUT
C
7
47/25
(C)
0
-
8
6
R2543
18k
100p
C2535 R2549
CH
C2536 100p STBY
CH
18k
R2544
2
4
-
R2546 C2540
1 SWOUT
SW
3 0 47/25
+
(SW)
8
Q Q
6.8k 3 6 7 1 3
IC2525 (2/2)
uPC4570G2
V-12A
IC2551 (1/2)
V+12A
uPC4570G2
6.8k
(S)
4
+
5
R2571 C2565
SLOUT
SL
7
0 47/25
-
8
6
R2569
18k
100p
C2561 CH R2575
C2562 100p STBY
CH
18k
R2570
2
4
-
R2572 C2566
1 SROUT
SR
3 0 47/25
+
8
6.8k
IC2551 (2/2)
uPC4570G2
V-12A
(2/2) V+12A
IC2575
uPC4570G2
6.8k
4
+ SBLOUT
5
R2595 C2589
SBL
7
0 47/25
(SB)
-
8
6
R2593
18k
100p
C2585 CH R2599
C2586 100p STBY
CH
18k
R2594
2
4
-
R2596 C2590
SBROUT
1
SBR
3 0 47/25
+
8
(1/2)
IC2575
V-12A
uPC4570G2
.
VSX-94TXH
7
9 4 2 8
COMPONENT & VOL ASSY
K
2/4
(VSX-94TXH:AWQ7041)
(VSX-92TXH:AWQ7046)
R2669
CONT
STBY
AMUTE
MUTE_MRSB
R2693
47k
R2695
47k
C2624
4700p
C2625
4700p
V-12A
NECK6
NECK8
CONT
CN2601
CKS3384-
19
18
17
16
15
(C)
COUT
14
13
SBROUT
12
11
FROUT
10
9
1 5 0 5 8 2 9 9 4
SROUT
8
7
(S)
SLOUT
6
5
FLOUT
4
(F)
3
SBLOUT
2
(SB) 1
V-12A
CN2602
CKS3389-
24
23
22
(C)
COUT
21
20
SBROUT
19
18
FROUT
17
16
SROUT
15
(S) 14
SLOUT
13
12
FLOUT
11
(F)
10
SBLOUT
9
(SB)
8
SWOUT
7
(SW)
6
VIPOD
5
GNDIP
4
3
2
1
m
R2701
0
co
IPDET
L2701
STBY
CONT
7
8
9 9
A
AMUTE
1-D4
MUTE_MRSB
1-D4
B
K 1/4
NECK6
1-D4
NECK8
1-D4
NECK8
NECK6
MUTE MR/SB
C
AMUTE
V-12A
COUT
GNDA
SBROUT
GNDA
FROUT
GNDA
2 8 9 9
SROUT
GNDA
SLOUT
GNDA
FLOUT
GNDA
SBLOUT
GNDA
D
MUTE MRSB
AMUTE
GNDA
COUT
GNDA
SBROUT
GNDA
FROUT
GNDA
SROUT
GNDA
SLOUT
GNDA
FLOUT
GNDA
E
SBLOUT
GNDA
SWOUT
GNDiP
GNDiP
V+iP
V+iP
iP DET
232C DET
232DET
K 1/4
1-C6
IPDET
1-D3
F
K
2/4
117
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