Sharp HT-DD5000W Service Manual page 22

P25 7 - H
TO DOLBY PWB
CNS802A
FC802
1 9
CNS802B
1 2 3 4 5 6 7 8 9
R574
10K
4.95V
C479 4.95V
22/16
+B 7.18V
GR
R506
C486
10K 10/16
R504 C484
10K 10/16
R503 C483
10/16
10K
R505
C485
10K
10/16
R502 C482
10/16
39K
C481
10/16
R501
39K
C527
1/50
C528
1/50
C529
0.0082
C530
0.015
C531
0.33
K
R483
K
100
K
K
K
K
K –B
9 1K
1 1K
C469
10/16
8 7 6 5 4 3 2 1
C402
C9273F
21 22 23 24 25 26 27 28
12.5V
C470
10/16
+B
7
CNS501
1
FM SIGNAL
AUDIO SIGNAL
DVDD R515
OUT4(NC)
1 42
5V
1K
CLK
2 OUT3(NC) 41
0V
R514
DATA
3 OUT2(NC) 40
0V 1K
R513
C493
LA–TCH
4 OUT1(NC) 39
0V 0.022
1K
D–GND
5 AVDD 38
0V
D405
0V
A–GND
6 SWIN 37
0V
0V SW–OUT C490
7 GNDS 36
0V
0V RR–OUT C492
SRIN
8 35
0V
0V RL–OUT C491
SLIN
9 34
0V
0V C489
C–OUT
10 GNDC
33
0V
0V R–OUT C488
11 C–IN
32
0V
0V
C487
L–OUT
12 GNDR
31
0V
C487~C492 :10/16
0V
AVSS
R–IN
13
30
–7.2V
0V
GND CL1(NC)
14
29
0V
0V CL2(NC)
L–IN
15
28
0V C532 1/50
0V
CR1(NC)
16 BYPASSR(NC) 27
0V
0V
CR2(NC)
BYPASSL(NC)
17 26
0V
C534
0V RTRE(NC)
LTRE(NC)
18 25
0V
0.0082
0V RBASS3(NC)
LBASS3(NC)
19 24
0V
0V RBASS2(NC)
LBASS2(NC)
23
20
0V
0V RBASS1(NC)
LBASS1(NC)
22
21
0V
C536
0.33
+B
R484
100
–B
R493
10K
–B
R489
1K
+B
5 6 7 8
IC405 +B
–B
NJM4580M
OPE AMP.
4 3 2 1
–6.74V 0V 0V
R494
10K
R490
1K
R583
100K
+B
R584
100K
8
Figure 21 SCHEMATIC DIAGRAM (6/12)
P17 9 - A
TO MAIN PWB
CNP501
CNS502
2 3 4 5 6 7 8 1 2
+B
+B
R551
R516
18K
10
+B
R549
R545
1K
2.2K
V–CK
–14.2V
V–DATA
V–LATCH 4 3 2 1
IC408
C494
NJM4565M
0.001
BUFFER AMP.
D406
R510
5 6
R512
R550
R546
R511
1K
2.2K
R509
R552
R508
18K
R537 15K
R507
R535
–B
1K
–10.2V
4 3 2 1
IC407
NJM4565M
BUFFER AMP.
5 6
R536
1K
R538
8.2K
C499
R523
47P
12K
R521
R517
1K
–B 2.2K
–10.2V
4 3 2 1
IC406
NJM4565M
BUFFER AMP.
5 6
R518
C500
2.2K
47P
R526
R524
12K 56K
R560
100
+B
SWITCHING
Q413
KTC3199 GR
R589
R587
56K
680
C587
R585
100/10
1K
–10.2V
4 3 2 1
IC581
NJM4565D
HEADPHONE AMP.
5 6 7 8
R586
1K
C586
0.022
C584
C588
47P
100/10
R588
680
9 10
– 21 –
P17 8 - A
TO MAIN PWB
CNP502
3 4 5 6 8 9 10 11
7
–B –B +B
V–CK
V–DATA
V–LATCH
TUN–R
TUN–L
FS–STB
FS–DATA
FS–CK
SWITCHING
R553
Q411
56K R555
KTC3199 GR
1K
REAR–L
R–MUTE
–1.4V
C523
R557
10/16
2.2K
R593
100K
SWITCHING
Q412
7 8
KTC3199 GR
R556
10.5V
REAR–R
1K
–1.4V
R558
C524
2.2K
10/16
C521
C526
0.022
0.001
SWITCHING
Q409
R539
R541 KTC3199 GR
56K
1K CENTER
0V
R543
2.2K
C–MUTE
C515
0.001
C–GND
SWITCHING
Q410
7 8
KTC3199 GR
R542
1K S–WOOFER
0V
SW–MUTE
R544
R540
C511
2.2K
56K 0.022
C516
R596
0.001
100K SW–GND
FRONT–L
R525
R527
56K Q407
1K
KTC3199 GR
SWITCHING
C503
10/16
C505
R597
0.001
100K
FRONT–R
7 8
C504 R528
10/16 F–MUTE
1K
R530
2.2K
C501
C506
0.022 0.001
SWITCHING
R559
A–5V
Q408
100
KTC3199 GR
D–GND
A–12V
A+12V
A–GND
+7V
–7V
P23 12 - C
CNP6
TO DISPLAY PWB
2
CNS6
R578
1
2.2K
D409
1SS133
3 3
3
2 2
2
R575
1 1 1
2.2K
3 3
2 2
1 1
R576
2.2K
1
2
R577
3
220K
CNS5
P22 1 - G
TO DISPLAY PWB
11
HT-DD5000W
5
4
P18 1 - F
3 CNS702
TO MAIN PWB
2
1
1 1
2 2
P18 1 - C
CNP701
3 3
TO MAIN PWB
4 4
5
5
HEADPHONES
PWB-D6
J581
R591B
HEADPHONES
100
R592B
100
D659
D657
1N4148
1N4148
SW651
D658
SPEAKERS
1N4148
12