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HT-DP2500W
– 10 –
Figure 10 BLOCK DIAGRAM (1/2)
1
6
3
4
5
7
2
3
7
6
AM RF
OSC
AM IF
FMOSC
FM IN
AM IN
IC202
LC72131
PLL CONTROLLER
STEREO
OSC
X202
4.5MHz
FM IF
FM IF IN
AM MIX
OUT
AM
OSC
OUT
IN
AFC
AM RF IN
SD
IF IN
MPX
IN
L-CH
R-CH
MPX
VCO
CUT
DI
CL
CE
DO
+5V
VOLTAGE
REGURATER
A+12V
SD
+B3
1
AM
FM
AM ANTENNA
2
3
4
9
8
5
6
7
VT
FM IF
L202
FM OSC
FM IF
AMP
VT
FM +B
FM
AM OSC.
1
4
5
8 9
17 18
19 16
15
14 13
12
11
10
21
22
23
24
+B3
IC201
FM FRONT END
TA7358AP
L201
FM RF
T202
FM IF
T201
T203
Q201
SOC201
ANTENNA
TERMINAL
CF201
Q281
IF AMP
T204
IC203 LA1833
FM IF DET./FM MPX./AM IF
CF203
CF202
FM IF
FM
OUT
AM
OUT
Q202
MUTING
TUNER
MUTE
VR201
FM MUTE LEVEL
REQ
VCC
GND
AM IF
FM
DET
PHASE
9
10
21
17
12
11
16
15
22
20
AM/FM
Q203
A+12V
+B3
+B3
AUX
IN
L-CH
R-CH
L-CH
R-CH
L-CH
R-CH
L-CH
R-CH
JK401
AUDIO
INPUT/OUTPUT
TERMINALS
MUTING
Q411
Q412
L-CH
R-CH
L-CH
R-CH
AMP
IC411
NJM4565D
VCR1 OUTPUT AMP.
5
6
2
3
4
8
A–12V A+12V
GRAPHIC EQUALIZER
L
L
L
R
R
R
VOLUME
VOLUME
IC501 LC75396N
AUDIO PROCESSOR
LT IN
RT IN
CENTER
REAR IN
FRONT
IN
L-CH
R
R
L-CH
L-CH
R-CH
R-CH
L-CH
DI
CE
CL
VSS
VDD
C-OUT
L-MIX OUT
R-MIX OUT
S-OUT
L-IN
R-IN
S-IN
C-IN
L-CHOUT
R-CHOUT
VCR1
VCR2
TUNER
AUX
VCR1
IN
VCR1
OUT
VCR2
IN
4
5
44
43 42
16
33
34
17
31
20
28
1845
46
47
26
6349
64
48
59
53
60
52
58
54
57
55
23
24
25
56
3
2
1
30
A+12V
VCC
A+12V
GND
34
38
35
37
36
18
21
31
32
10 11
12
14
15
16
22
23
24
46 45
CLK
DATA
ENABLE
8
OSC
9
7
VREF
IC452
LV1035M
DOLBY
PRO LOGIC
DECORDER
L-IN
R-IN
S-IN
L-OUT
R-OUT
S-OUT
8
4
CENTER
OUT
L-CH
R-CH
REAR
OUT
A–12V
A+12V
3
IC561
NJM4558D
BUFFER
5
REAR
OUT
CENTER
7
1
L-CH
R-CH
L-CH
R-CH
IN
3
5
8
4
OUT
1
7
A–12V
IC581
NJM4558D
HEADPHONE AMP.
J581
HEADPHONES
A+12V
H-MUTE
4
OUT
A–12V
REAR
IN
CENTER
Q531
Q532
6
IN
SUB WOOFER
2
1 2 3
73 74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
TUN-DO
TUN-DI
TUN-CK
P10
P11
P12
P15
P16
NC
NC
NC
NC
DAPD
ADPD
AC3-RES
AC3-SS
AC3-SI
D-SEL
AC3-SCK
SW-ON
PRO-EN
PRO-DI
PRO-CK
V-SW1
V-SW2
V-MUTE
STEREO
MUTE
VPP
X-BASS
HEAVY
SOFT
GND
BF201
1
2
3
BAND PASS
FILTER
X451
8MHz
7
6
5 4
2
1
11 10
9
VP
(AC)
Q5
IC431
NJM4558D
LOW PASS FILTER
AMP.
AM IF
P10
P11
P12
F1
F1
P14
P15
P16
NC(NP)
8
P13
P13
P14
3
NC(NP)
NC
NC
A OUT
X IN X OUT
BO 1
IO1
VDD
BO4
FM
VSS
FM IF
IN
L CH
R CH
AM
OSC
IF OUT
R-OUT
L-OUT
S-OUT
C-OUT
LT-IN
RT-IN
LF2C1
LF2C2
RF2C1
RF2C2
LFOUT
LF2C3
RFCOM
LFIN
LF1C1
RF1C1
LF1C2
RF1C2
LF1C3
RF1C3
RRIN LRIN
LROUT
RROUT
RFOUT
LFOUT
LSELO
RSELO
L1
R1
L2
R2
L4
R4
L3
R3
1
IC411
J581