Service manual
HT-DP2500W
– 12 –
A
B
C
D
E
F
G
H
1
23456
Figure 12 SCHEMATIC DIAGRAM (1/7)
NOTES ON SCHEMATIC DIAGRAM can be found on page 9.
C522
0.047
C521
0.047
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
1K
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
N
AUDIO PROC
E
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
49
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
C550
330/16
JK401
AUDIO
INPUT/
OUTPUT
TERMINALS
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
2SC2878 B
R406
1K
C405
330P
R420
2.2K
C406
330P
R405
1K
Q412
2SC2878 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
S-IN
VC
D
E
IR
E
GN
S-O
U
R-O
U
L-O
U
DC-O
U
DC-O
U
D
/
N
A
/
V
D
O
S
O
S
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
LF1C1
LTIN
RF4C2
RF4C1
RF3C3
RF3C2
RF3C1
RF2C3
RF2C2
RF2C1
RF1C3
RF1C2
RF1C1
RTIN
8
7
6
5
4 3 2 1
3940
4142
43444546
4748
3
8
9
10 11
8
7
6
5
4 3 2 1
10
11 12 13 14 15 1
6
3
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
2.4V
4.6V
4.1V
4.6V
2.6V
2.4V
4.6V
0V10V
0V
0V
–9.7V
0V
0V
0V
0V
0V
0V
(0.7V)
0V
(0.7V)
0V
VCR-1:( )
4.7V
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
23
22
21
20
19
18
17
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
POSISTOR
V_DATA
V_CK
SP_LEVEL
SW_MUTE
R_MUTE
C_MUTE
FUN_SW
V_LATCH
TUN_L
A+12V
D_GND
CNP201
CNS1B
CNS201
TO TUNER PWB
P18 5-A
FC1
TO DISPLAY PWB
P16 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
1
23
C524
0.15/50
AUDIO SIGNAL
IC411
NJM4565D
VCR 1 OUTPUT AMP.
MUTING
MUTING