Sharp HT-DP3000, Service Manual

Page: 10 / 36

HT-DP3000
– 10 –
A
B
C
D
E
F
G
H
1
2 3 4 5 6
Figure 10 SCHEMATIC DIAGRAM (1/7)
NOTES ON SCHEMATIC DIAGRAM can be found on page 24.
C522 0.047
C521 0.047
C524
0.15/50
R480
1K
R479
1K
C526
0.039
C525 0.039
C518 1/50
C516
1/50
C515
1/50
C414
2.2/50
C413
2.2/50
D502
1N4148
D501
1N4148
R475
R476
1K
R474
1K
C437
47/16
C438
47/16
R449
220
R448
220
R417
8.2K
C415
0.022
R415
4.7K
IC501
LC75396
AUDIO PROCE
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
49
51
50
49 3
3
3
1
1
1
R401
33K
R504
27K
C514
100P
C512
47/16
C502 1/50
C509 1/50
C513
100P R503
27K
C511
47/16
C425
0.022
D422
1N4148
C453
0.1
C493
0.15/50
C485
4.7/50
C462
220/16
C487
4.7/50
C454
0.1
C491
0.15/50
C488
0.15/50
C489
3.3/50
C494
4.7/50
C486
0.47/50
C490
0.15/50
C464
10/50
C484
0.47/50
C492
3.3/50
C465
220/16
C496
4.7/50
IC452
LV1035M
DOLBY PRO LOGIC
DECORDER
C497
0.47/50
C495
0.47/50
R522
1K
R521
1K
R518 1K
C523
0.15/50
C519
0.47/50
C549 0.022
C517
1/50
R516 1K
R512 1K
R519 1K
R517 1K
R513 1K
R515 1K
R520 1K
R514 1K
R511 1K
C507 1/50
C505 1/50
C503 1/50
C501 1/50
C504 1/50
C506 1/50
C508 1/50
C510 1/50
R501
3.9K
R502
3.9K
C520
0.47/50
0
C550 330/16
JK401
AUDIO
INPUT/OUTPUT
R402
33K
C424
390P
R428
4.7K
R423
4.7K
R422
33K
C421
390P
R421
33K
R425
33K
R426
33K
C422
390P
R424
4.7K
C423
390P
R427
4.7K
Q411
C2878 B
R406
1K
C405
330P
R420
2.2K
C406
330P
R405
1K
Q412
C2878 B
R419
2.2K
C410
47P
C411
47P
R412
18K
R410
5.6K
R413 5.6K
R408
22K
R409
5.6K
C408
2.2/50
R416
4.7K
C416
0.022
C409
47P
R407
22K
R418
8.2K
R411
18K
C407
2.2/50
R414 5.6K
C412
47P
IC411
NJM4565D
V_MUTE
(VCR1)
(VCR1)
(VCR2)
(VCR2)
(TUN)
(AUX)
(AUX)
(TUN)
S-DC-OUT
C-DC-OUT R-DC-OUT L-DC-OUT VREF VCC C-OUT S-OUT R-OUT L-OUT AC-GND L-IN R-IN SI
N
VC
D
IR
GN
S-O
R-O
L-OU
DC-O
DC-O
D
N
A
VD
OS
OS
CLK
DATA
ENABLE
DATA
CLK
OSC
NS-BPF2 NS-BPF1
GND
C-MODE
DC-OUT
LT-IN
RT-IN
L-BPF3
DC-OUT3
R-RECT
L-RECT
DC-OUT4
DC-OUT2
DC-OUT1
VLR-TH
VLR-1
VLR-2
VCR-2
VCR-1
VCR-TH
L+R-RECT
L-R-RECT
R-BPF3
RSELO
RINVIN1
R5
R4
R3
R2
R1
VDD
L1
L2
L3
L4
L5
LINVIN1
LSELO
LF4C1 LF3C3 LF3C2 LF3C1 LF2C3 LF2C2 LF2C1 LF1C3 LF1C2
LF1C
LTIN
RF4C2 RF4C1 RF3C3 RF3C2 RF3C1 RF2C3 RF2C2 RF2C1 RF1C3 RF1C2 RF1C1
RTIN
8 7 6 5
4 3 2 1
39 40 41 42 43 44 45 46 47 48 3
9 10 1 8 7 6 5 4 3 2 1
10 11 12 13 14 15 1
3 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
9 8 7 6 5 4 3 2 1
D421
1N4148
4.7V
4.6V
4.7V 4.7V
4.7V 4.7V 4.7V 9.5V 4.8V
C461
220/16
C457
10/50
C458 10/50
C459 10/50
C460 10/50
C456
0.1
C463
10/50
R462
1K
4.8V 4.8V
4.8V
4.7V 4.6V
4.7V
R-BPF2
R-BPF1
4.7V
4.7V
5.4V
4.8V
5.4V
4.7V
4.7V
4.7V
4.7V
4.7V
4.7V
4.7V
5.4V
4.7V
4.7V
5.4V
L-BPF2
L-BPF1
C455
0.1
4.6V 4.5V 4.5V 4.8V 4.8V 4.3V
C483 47/50 C480 0.47/50 C479 0.022 C478 0.047 C477 680P
4.7V 4.8V
0V
4.7V 0V 0V 4.3V
0V
4.3V 0V
4.6V 2.4V 4.5V 4.6V 4.6V 2.4V 4.6V 4.1V 2.4V 4.6V 4.6V
4.5V
4.6V
4.6V
4.6V
4.6V
4.6V
4.6V
4.6V
9.3V
4.6V
4.6V
4.6V
4.6V
4.6V
4.6V
4.6V
4.5V
4.6V
4.6V
4.4V 24
V
4.6V 4.1V 4.6V 2.6V 2.4V 4.6V
0V
10V
0V
0V
–9.7V
0V
0V
0V
0V
0V
0V
(0.7V)
0V
(0.7V)
0V
VCR-1'( )
4.7V
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
23
1 1
2
3
4
5
6
7
11
10
9
8
7
6
5
4
3
2
1
12
TUN–ST
TUN–SD
TUN–MUTE
TUN–CE
TUN–CK
TUN–DI
TUN–DO
TUN–MUTE
TUN–ST
TUN–SD
TUN–DI
TUN–CE
TUN–DO
TUN–CK
TUN–R
A–GND
V–MUTE
PRO–DI
PRO–ENA
PRO–CK
PROTECT
F–MUTE
H/P–SW
H.P MUTE
V–DATA
V–CK
SP–LEVEL
SW–MUTE
R–MUTE
C–MUTE
FAN–SW
V–LATCH
TUN–L
A+12V
D–GND
CNP201
CNP1B
CNS201
TO TUNER PWB
P16 5-A
FC1
TO DISPLAY PWB
P14 1-F
CNP1A
+B
+B
+B
FM SIGNAL
MAIN PWB-A1(1/2)
+B
L-CH
R-CH
L-CH
R-CH
L-CH
R-CH
L-CH
R-CH
VCR-1
IN
VCR-1
OUT
VCR-2
IN
AUX
IN
R403
4.7K
R404
4.7K
C401
390P
C402
390P
PRO–CK
PRO–DI PRO–ENA
AUDIO SIGNAL