HT-DP3000
– 9 –
Figure 9 BLOCK DIAGRAM (2/2)
2
1
3
REMOCON
RX1
REMOTE
SENSOR
A+12V
1
58D
AMP.
IC431
NJM4558D
BUFFER AMP.
REAR
OUT
CENTER
7
1
L
R
OUT
1
7
J581
HEADPHONES
2V
OUT
SUB WOOFER
VR1
SUB WOOFER
VOLUME
2
5
1
+B1
3
–B1
5
1
10
+B1
3
IC701
LM2876
POWER AMP.
IC702
LM2876
POWER AMP.
IC703
LM2876
POWER AMP.
IC704
LM2876
POWER AMP.
IC705
LM2876
POWER AMP.
–B1
8
5
1 +B1
3
–B1
8
T.F
F611
800mA/125V
L-CH IN
5
1
10
+B1
3
–B1
8
REAR-OUT
5
1
+B1
3
–B1
8
+
L-CH OUT
R-CH OUT
+
+
+
– GND
– GND
– GND
– GND
FRONT
L-CH
SO701
FRONT/CENTER SPEAKER
SUB WOOFER
TERMINAL
FRONT
R-CH
CENTER
CENTER OUT
SUB WOOFER
R-CH IN
S/W IN
CENTER IN
REAR-IN
D630
7
4
7
4
Q701
Q702
8
10
10
10
F-MUTE
Q751
Q752
7
4
S-MUTE
Q771
Q772
7
4
C-MUTE
Q781
Q782
7
4
R-MUTE
D621-D624
VOLTAGE
REGULATOR
Q621
Q622
VOLTAGE
REGURATER
A-12V
Q611
T.F
AC POWER
SUPPLY CORD
AC 120V 60Hz
D601–D604
Q603
Q602
VOLTAGE
REGULATOR
Q601
µ
-COM5V
A+12V(ANALOG)
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
26
27
28
29
30
31
32
33
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
65
66
67
68
69
70
71
72
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
TUN-CE
TUN-MUTE
TUN-SD
TUN-ST
VDD
OSC2
OSC1
VSS
XI
XO
MMOD
VREF-
KEY1
KEY2
KEY3
AREA
SP-LEVEL
MODEL
POSISTER
RESET
V-DATA
POW-SW
R-RLAY
C-RLAY
PROTECT
FAN
LED1
1G
2G
3G
4G
5G
6G
7G
8G
9G
10G
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P14
P15
P16
NC
NC
NC
NC
DAPD
ADPD
AC3-RES
AC3-SS
AC3-SI
D-SEL
AC3-SCK
SW-ON
PRO-ENA
PRO-DI
PRO-CK
V-SW1
V-SW2
V-MUTE
SW-RLAY
FA-RLAY
SW-MUTE
C-MUTE
R-MUTE
F-MUTE
JOG DOWN
JOG UP
REMOCON
AC3-SO
SYS-STOP
POWER
V-CK
V-LACH
FS-CK
FS-DATA
FS-STB
VREF+
ALC
SW2-SW8
SW9-SW15
KEY MATRIX
LED1
STAND-BY LED
LED2
TIMER LED
SW23
JOG
SW1
POWER
Q6
Q10
Q4
Q3
Q11
Q12
RESET
µ
-COM+5V
Q7
Q8
ZD1
P13
-VPP
XL2
8MHz
XL1
32.768KHzHz
VF1
(AC)
VF2
(AC)
VF1
(AC)
-VPP
VF2
(AC)
+
–
–
+
L-CH
GND
GND
R-CH
S0702
SURROUND
SPEAKER
SOCKET
IC1
IX0001SJ
SYSTEM
MICROCOMPUTER
FL DISPLAY
FL1
OVER CURRENT
DETECTOR
OVER CURRENT
DETECTOR
SWITCHING
Q784
SUB WOOFER OUT
Q705
Q707
Q708
OVER CURRENT
DETECTOR
SWITCHING
OVER CURRENT
DETECTOR
SWITCHING
OVER CURRENT
DETECTOR
SWITCHING
Q706
Q754
Q774
SPSWA
SPSWB
POW-1
POW-2
RLY601
POWER SW
T602
POWER
TRANSFORMER
T601
POWER
TRANSFORMER
SWITCHING
F601
3A/125V
Q2
Q1
Q5
µ
-COM+5V
LF601
LINE FILTER