Sharp HT-DP3000 Service Manual page 9

FL DISPLAY
FL1
P13 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61
76
P14
77
78
P15
79
P16
80
NC
81
NC
82
NC
83
NC
84 DAPD
85 ADPD
IC1
86 AC3-RES
87
AC3-SS
IX0001SJ
88 AC3-SI
89 SYSTEM
D-SEL
90 AC3-SCK
MICROCOMPUTER
91 SW-ON
92 PRO-ENA
93 PRO-DI
94 PRO-CK
95 V-SW1
V-SW2
96
Q5
V-MUTE
97
98
99
-VPP
100
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
XL1
XL2
32.768KHzHz
8MHz
µ-COM+5V
2V
OUT
L
1
7
R
J581
HEADPHONES
1
58D
AMP.
A+12V
REAR
OUT
7
1
CENTER
VR1
SUB WOOFER
IC431
VOLUME
NJM4558D
BUFFER AMP.
OUT
SUB WOOFER
2
D630
VOLTAGE
REGURATER
A-12V
A+12V(ANALOG)
Q621
Q622
VF1
VF2
(AC) -VPP (AC)
FAN
PROTECT VF1 VF2
SW1
(AC) (AC)
POWER
60 59 58 57 56 55 54 53 52 51
SPSWB 50
SPSWA 49
SW-RLAY 48
C-RLAY 47
R-RLAY 46
45
Q11
44
POW-SW
Q12
FA-RLAY 43
Q4
SW-MUTE 42
C-MUTE Q3
41
R-MUTE 40 Q2
F-MUTE 39 Q1
JOG DOWN 38
37
JOG UP
36
REMOCON
AC3-SO 35
SYS-STOP 34
POWER 33
V-DATA
32
V-CK
31
30
V-LACH
FS-CK
29
FS-DATA 28
FS-STB 27
RESET
26
F611
D621-D624
800mA/125V
Q611
VOLTAGE
REGULATOR
T602
POWER
TRANSFORMER
Figure 9 BLOCK DIAGRAM (2/2)
Q10
LED1
STAND-BY LED
SW23
LED2
JOG
TIMER LED
RX1
REMOCON
1 REMOTE
SENSOR
RESET
Q6
2
L-CH IN
10
IC701
LM2876
POWER AMP.
1 –B1
+B1
5
4
7
F-MUTE Q701
Q702
R-CH IN
10
IC702
LM2876
POWER AMP.
1
–B1
+B1
5
7 4
S/W IN
10
IC703
LM2876
POWER AMP.
1 +B1
–B1
5
4
7
S-MUTE
Q751
Q752
CENTER IN
10
IC704
LM2876
POWER AMP.
1
–B1
+B1
5
4
7
C-MUTE
Q771
Q772
REAR-IN
10
IC705
LM2876
POWER AMP.
1
–B1
+B1
5
4
7
Q781
Q782
R-MUTE
RLY601
T.F
SWITCHING
Q603
Q602
POWER SW
D601–D604
VOLTAGE
REGULATOR
µ-COM5V
Q601
– 9 –
HT-DP3000
SW2-SW8
SW9-SW15
KEY MATRIX
Q7
µ-COM+5V
Q8
ZD1
3
Q707
SWITCHING
Q708
SO701
FRONT/CENTER SPEAKER
SUB WOOFER
OVER CURRENT
Q705
TERMINAL
DETECTOR
FRONT
L-CH OUT
+
3
L-CH
– GND
8
SWITCHING
OVER CURRENT
DETECTOR Q706
8
FRONT
R-CH OUT
+ R-CH
3
GND
–
OVER CURRENT
Q754
DETECTOR
SUB WOOFER OUT
+ SUB WOOFER
3
GND
–
8
SWITCHING
OVER CURRENT
Q774
DETECTOR
CENTER OUT
+ CENTER
3
8 – GND
SWITCHING
S0702
SURROUND
OVER CURRENT
Q784 SPEAKER
DETECTOR
SOCKET
REAR-OUT
+ L-CH
3
GND
–
8
– GND
+ R-CH
F601
3A/125V
LF601
LINE FILTER
T.F
T601
POWER
TRANSFORMER
AC POWER
SUPPLY CORD
AC 120V 60Hz