Sharp HT-DP2500W Service Manual page 15

FL1
FL DISPLAY
10 11 12 13 14 15 16 17 18 20 25
8 9 19 26 27
75 74 73 72 71 70 69 68 67 66 65 64 63 62 61
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
91 SW-ON
92 PRO-ENA
93 PRO-DI
94 PRO-CK
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)
29 31 32 33 34 21 22 23 24 35 36 37
28 30
Q10
PROTECT
60 59 58 57 56 55 54 52 51
53
VF1 VF2
SPSWB 50
(AC) (AC)
SPSWA 49
SW-RLAY 48
C-RLAY 47
R-RLAY 46
NC 45
44
POW-SW
FA-RLAY 43
Q4
SW-MUTE 42
C-MUTE 41
R-MUTE 40
F-MUTE 39
38
JOG DOWN
37
JOG UP
36
REMOCON
AC3-SO 35
SYS-STOP 34
POWER 33
V-DATA
32
V-CK
31
V-LACH 30
FS-CK 29
FS-DATA
28
FS-STB 27
RESET
26
F611
D621-D624
T800mA L 250V
VOLTAGE Q611
REGULATOR
TRANSFORMER
Figure 11 BLOCK DIAGRAM (2/2)
38
FAN
LED1
SW23
SW1
STAND-BY LED
JOG
ON
LED2
STAND-BY DIAL
TIMER LED
Q11
Q12
Q3
Q2
Q1
Q13
REMOCON
RESET
Q6
L-CH IN
F-MUTE
R-CH IN
S/W IN
S-MUTE
CENTER IN
C-MUTE
REAR-IN
230-240V/
220V
R-MUTE
F602
T1.25A L 250V
127V
110V
RLY601
T.F
T602
SWITCHING
POWER
Q603
Q602
POWER SW
VOLTAGE
REGULATOR
-COM5V
Q601
– 11 –
M671
Q632 M
FAN MOTOR
Q633
SW2-SW8
SW9-SW15
KEY MATRIX
Q7
-COM+5V
Q8
ZD1
RX1
1 3
REMOTE
SENSOR
2
Q707
SWITCHING
Q708
OVER CURRENT
Q705
10 DETECTOR
IC701
LM2876
L-CH OUT
3
POWER AMP.
1 –B1
+B1
8
5
4
7
Q701
Q702
OVER CURRENT
Q706
DETECTOR
10 8
IC702
LM2876 R-CH OUT
3
POWER AMP.
1
–B1
+B1
5
7 4
Q755
SWITCHING
Q756
OVER CURRENT
Q754
DETECTOR
10
IC703
LM2876
SUB WOOFER OUT
3
POWER AMP.
1 +B1
–B1
8
5
4
Q775
7
SWITCHING
Q776
Q751
Q752
OVER CURRENT
Q774
DETECTOR
10
IC704
LM2876 CENTER OUT
3
POWER AMP.
1
–B1
+B1
8
5
4
7
Q785
SWITCHING
Q786
Q771
Q772
OVER CURRENT
Q784
DETECTOR
10
IC705
LM2876
REAR-OUT
3
POWER AMP.
1
–B1
+B1
8
5
4
7
Q781
Q782
VOLTAGE
SELECTOR
T601
POWER
TRANSFORMER
D601–D604
T.F
T100mA L 250V
HT-DP2500W
SO701
SPEAKER
TERMINALS
FRONT
+
L-CH
–
GND
FRONT
+
R-CH
– GND
SUB WOOFER
+
– GND
+
CENTER OUT
– GND
S0702
REAR
SPEAKER
TERMINALS
+
L-CH
GND
–
– GND
+ R-CH
SW601
AC POWER
SUPPLY CORD
AC110/127/
220/230-240V
50/60Hz
LF601
F603 LINE FILTER