Sharp SD-AT50H, Руководство по обслуживанию

Страница: 31 / 76

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SD-AT50H
Figure 31 SCHEMATIC DIAGRAM (2/11)
7
8 9 10 11 12
–12V
+5V(D)
–12V(A)
+12V(A)
–12V
+12V
–15V(A)
+7.5V(SWD)
+5V(D)
+3.3V(D)
+12V
+12V
+15V(A)
FM_STB
4 2
3 1
80
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
65
40
39
8 7 6 5
4 3 2 1
24
23
22
0 19 18 17 16 15 14 13 12 11 10 1 2 3 4 5 6 7 8 9
51 52 53 54 55 6 5 5 7 5 8 59 6 0 1 6 6 2 6 3 6 4 46 47 48 49 50
1 3 5
2
TUN_R
TUN_L
AGND
OUTC
AGND
OUTSW
AGND
BS_RCH BS_LCH TV_LCH TV_RCH DVDA_LCH DVDA_RCH
TUN_L
TUN_R
DGND
OUT_R OUT_L
A_+7V
PROTECT
VOL
_
DA
VOL_CL
A_+7V
A_-7V
VTR_RCH VTR_LCH
OUTC
OUTSR_RCH
OUTSR_LCH
CCB_DI
CCB_DO
CCB_CL
CCB_CE
FMVSM
TUNER_SM
AMP_SOUT
AMP_STB
AMP_CLK
AMP_SIN
AMP_INT
AGND
AGND
OUTSW
OUTSR_L-CH
OUTSR_R-CH
OUTF_R-CH
OUTF_L-CH
A_–7V
A_-7V
+–15V_AGND
HP_R
HP_L
S_MUTE
GND_D
REG_ON
A.GND
GND
AUX VTR TV DVD/CD R-CH L-CH L-CH R-CH R-CH L-CH L-CH R-CH
GND_UCON
GND_A
+3.7V_(UCON)
D+7.5V
AMP_SIN
AMP_SOUT
GND_D
A+15V
AMP_INT
AMP_STB
AMP_CLK
A-15V
CENTER
SURROUND L-CH
SURROUND R-CH
FRONT R-CH
FRONT L-CH
GND
GND
SUB WOOFER
GND(U-COM)
VINSL
IN2DSP
OUT1(+)
IN DVDSR
VCC DA
IN1MIX
OUT2(–)
CL MUTE
OUT2(+)
INDVD SW
AGND5 AGND6 VEE
()
INDVDC
IN DVDSL
IN82
AGND8 OUT1
IN81 IN72 IN71 IN62
BBNF1 OUT2 BNF22 BBNF2
IN61 IN52 IN51
BNF12 BNF21 BNF11
IN41 IN42
TNF1
IN32
IN21
GOUT1
AGND9
IN12
IN11
VIN2
GOUT2
ROUT32
ROUT31
AGND10
ROUT11
ROUT22
ROUT21
ROUT12
GOUTSL
AGND7 TNF2
VIN1
IN22
IN2MIX
IN31
GND(D) GND(D)
CE
DO
FM VSM
GND
L OUT
FM DET
VCC +9V
DI
CL
R OUT
+
–
VDD
–
+
VSS
MAIN PWB-A1
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
9
10
11
1
2
3
4
5
6
7
8
9
10
11
12
13
1
2
3 1
2
3
CNP507
P33 7 - A
TO DSP PWB
G
S
D
G
S
D
+3.7V(UN-SWD)
TUNER UNIT
1
11
+B
+B
+B
+B
+B
+B
+B
+B
+B
-B
-B
-B
-B
-B
+B
+B
+B
+B
+B
+B +B
+B
+B
+B
+B
+B
+B
+B
-B
-B
-B
-B
-B
+B +B
+B +B
-B
-B -B
VDDA VREF MPXIN VSSA FLOUT CIN T5 XOUT
SYR
CE
T1 T2 T3 T4
T7 DI
CL
DO
RDS-ID
SYNC VDDD
XIN
T6
VSSD
24 23 22 21 20 19 15 16 17 18 13 14
1 2 3 4 5
12 11 10
9 8 7 6
Q516
KTA1266 GR
R595
100K
R596
10K
R647
82
C639 100/16
R593
100K
R591
82
Q517
KTC2874 B
C571
0.001
C572
0.001
R597 2.2K
IC505
NJM4565D
C665 220/16
R713A 15K
C641 0.022
R585
10K
R587
82K
C637
33P(CH)
R583 100K
R584 100K
C633
10/16
C634
10/16
R586
10K
C642
0.022
Q503
2SK246 GR
C666
220/16 R626
150
R714A
15K
R588
82K
C638
33P
(CH)
C640 100/16
D518
DS1SS133
R599
1K
Q525
KTC3205 Y
Q526
KTA1273 Y
C587
0.022
C588 0.022
ZD503
DZ7.5BSB
C586 22/16
C584 22/16 C582 0.022
R602
47K
R603
5.6K
C578 0.022
C585 100/16
C583 22/16
R601
47K
ZD502
DZ7.5BSB
R600
5.6K
R606
470K
Q527
KTC3199 GR
R605 47K
D517
DS1SS133
R604 47K
R690
47(1/2W)
R689
120(1/2W)
R611
120(1/2W)
C598
100/16
C601
100/16
R614
47K
R613
47K
R612
47(1/2W)
D516
DS1SS133
R616
1K
Q514
KTC3199 GR
R615
470K
D514
DS1SS133
IC507
BA05ST
SWITCH REGULATOR
C604
1/50
C605
0.022
C606
0.047
C696
22/16
R652 220
ZD504
DZ3.3BSB
R651
82
R621
1K
D507
DS1SS133
R619
1K
D509
DS1SS133
R620
1K
D508
DS1SS133
C697
0.001
C698
0.001
R607 220K
IC513
KIA7809AP
VOLTAGE
REGULATOR
C629
0.022
C630
1
R608
68K
CNP504
100P
C664
100P
C507 0.022
C506
47/16
C505
47/16
C508 0.022
1K
R501
1K
R504 4.7K R505 4.7K
C521 0.0047 (ML)
C522 0.0047 (ML)
C517 C518
C519
C520
C523
10/16
C524
10/16
IC501
BD3811K1
VOLUME IC
CNP506
SYSTEM
CONTROL
TERMINAL
COR501
C589 0.001 C701 0.01
D519
DS1SS133
D520
DS1SS133
COR502
BI507
CNS507
CNP505
SYSTEM
CONTROL
TERMINAL
D525
DS1SS133
D526
DS1SS133
C590 0.001
C591 0.001
D527
DS1SS133
D528
DS1SS133
C594 100/16
D511
DS1SS133
D510
DS1SS133
C592 0.001
C632 0.001 C692 0.001
D521
DS1SS133
D522
DS1SS133
JT502
VTR/AUX
INPUT
TERMINAL
C652
1/50
C651 1/50
R637
47K
R638
47K
C653
47P(CH)
R635 18K
C654
47P(CH)
R636
18K
R634
47K
R633
47K
C647
47P(CH)
C648 47P(CH)
C646 1/50 C645
1/50
R632 18K
R631
18K
D524
DS1SS133
D523
DS1SS133
C649 0.001 C691 0.001
01
D/TV
UT
NAL
R643 18K
R644
18K
C660
1/50
C659 1/50
R646
47K
R645
47K
C662
47P(CH)
C661
47P(CH)
R640 18K
C658 47P(CH)
R639
18K
C657
47P(CH)
R642
47K
R641
47K
C655
1/50
C656 1/50
R627
150
Q504
2SK246 GR
R594
100K
R590
82
R592
82
R598
2.2K
Q518
KTC2874 B
C517~C520: 0.068
C596
47/16
C595
47/16
IC505: OPE AMP.
FFC504
ICT01
LC72720Y
RDS DECORDER
CT02 0.022
RT08
56K
CT06 0.022
LT21
2.2
µ
H
RT10
10K
CT05
10/16
RT17 100K
CT07
0.022
RT09
56K
QT01
KTC3199 GR CT01 47/16
CT08
0.022
CT04
15P(CH)
RT11
220K
DT01
DS1SS133
CT11 560P
LT22
2.2
µ
H
CT10
0.022
XT01
4.332 MHz
CT03
15P(CH)
RT05 220K RT06 220K RT02 1K RT03 1K RT01 1K RT04 1K RT07 220K
CT14 100P(CH)
CT13 100P(CH)
CT15 100P(CH)
CT12 100P(CH)
CT09 47/16
R688 10K
FM SIGNAL
DVD/CD SIGNAL
AUX SIGNAL
TV SIGNAL
VTR SIGNAL