Sharp HT-DP2500W Service Manual page 15

FL1
FL DISPLAY
9 10 11 12 13 14 15 16 17 18 19 20 25 26 27 28 29
8
75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59
76
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
D-SEL SYSTEM
90 AC3-SCK
MICROCOMPUTER
SW-ON
91
92 PRO-ENA
93 PRO-DI
PRO-CK
94
95 V-SW1
V-SW2
96
V-MUTE
97
98
99
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
XL2
XL1
8MHz 32.768kHz
J581
HONES
R
VR1
SUB-WOOFER
VOLUME
WOOFER
D630
VOLTAGE
REGURATER
A-12V
A+12V(ANALOG)
Q621
Q622
VF1
VF2
VP (AC)
(AC)
REGULATOR
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30 31 32 33 34 21 22 23 24 35 36 37 38
FAN
Q10
SW1
PROTECT
58 57 56 55 54 52 51 ON
53
STAND-BY
50 VF1 VF2
SPSWB
(AC) (AC)
SPSWA 49
SW-RLAY
48
Q11
47
C-RLAY
Q12
R-RLAY 46
NC 45
44
POW-SW
FA-RLAY 43
Q4
SW-MUTE 42
Q3
C-MUTE 41
R-MUTE Q2
40
F-MUTE 39
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
T800mA L 250V
VOLTAGE Q611
T602
POWER
TRANSFORMER
Figure 11 BLOCK DIAGRAM (2/2)
Q632
Q633
LED1
SW23
STAND-BY LED
JOG
LED2
DIAL
TIMER LED
Q1
Q13
RX1
REMOCON
1 REMOTE
SENSOR
RESET
Q6
L-CH IN
10
IC701
LM2876
POWER AMP.
1 –B1
+B1
5
4
7
F-MUTE
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
CENTER IN
10
IC704
LM2876
POWER AMP.
1
–B1
+B1
5
4
7
C-MUTE
REAR-IN
10
IC705
LM2876
POWER AMP.
230-240V/
1
–B1
+B1
220V 5
4
7
R-MUTE
F602
T1.25A L 250V
127V
110V
RLY601
T.F
SWITCHING
Q603
Q602
POWER SW
D601–D604
VOLTAGE
REGULATOR
µ-COM5V
Q601
– 11 –
HT-DP2500W
M671
M
FAN MOTOR
SW2-SW8
SW9-SW15
KEY MATRIX
Q7
µ-COM+5V
Q8
ZD1
3
2
Q707
SWITCHING
Q708
OVER CURRENT SPEAKER
Q705
DETECTOR TERMINALS
L-CH OUT
3
8
Q701
Q702
OVER CURRENT
DETECTOR Q706
8
R-CH OUT
3
Q755
SWITCHING
Q756
OVER CURRENT
Q754
DETECTOR
SUB WOOFER OUT
3
8
Q775
SWITCHING
Q776
Q751
Q752
OVER CURRENT
DETECTOR Q774
CENTER OUT
3
8
Q785
SWITCHING
Q786
Q771
Q772
S0702
REAR
OVER CURRENT
Q784 SPEAKER
DETECTOR
TERMINALS
REAR-OUT
3
8
Q781
Q782
SW601
VOLTAGE
SELECTOR
T601
POWER
TRANSFORMER
T.F
LF601
F603 LINE FILTER
T100mA L 250V
SO701
FRONT
+
L-CH
–
GND
FRONT
+
R-CH
– GND
+ SUB WOOFER
– GND
+
CENTER OUT
– GND
+
L-CH
GND
–
– GND
+ R-CH
AC POWER
SUPPLY CORD
AC110/127/
220/230-240V
50/60Hz