Sharp DX-SX1H Service Manual page 27

P26 P27 P28
+B
+B
21 R542
7 47
+B
R527
C523 C529
47
47/10 47/10
L501
C527
10µH
0.01
D505
R529
DAP202K
R545
470
470
1
R530
2.0V
4FN
39K
e_IN 0V
GND
1 24
MIX_OUT
0V 2.0V
C525
522
2 GND 23
MIX
0.1
.6K 0V
MIX_IN
S/DUAL
3 22
(+10dB)
C526 3.3V
2.0V a_IN RF_N
0.1
4
21
2.1 V
36
2.0V b_IN
5 20 2.1 V
9K
RF_P
2.0 V C_IN 48 V
6 19
VCC2
2.0V
d_IN a_OUT 2.0 V
7 18
R533
2.0V b_OUT
VREF 2.0 V
39K
8 17
IN
R534
c_OUT
1.0 V f_IN 2.0 V
39K
9
16
1.0 V
C519 d_OUT
GAIN 2.0 V
C524
10 15
0.1 0.1 SEL_1
R523
e_OUT
4.8 V 2.0 V
11 VCC1 14
5.6K
f_OUT
C520 3.8 V 2.0 V
GAIN
12 13
0.1
524 SEL_2
.6K
C528
47/6.3
C501 :I/V CONVERTER AMP.
IC504
IX2842AF
SPINDLE MOTOR DRIVER
1 C570
0.1
C535
C517
R550
0.1
0.1
1.5
R551
1.5
R537
1.5
27 26 25 24 23 22 30 21 20 19 18 17 16
2 3 4 5 6 7 29 8 9 10 11 12 13 14
C530
0.0022
+B
TP502
TP503
B
14 13 12 11 10 9 8 30 7
15 16 17 18 19 20 21 29 22 23 24 25 26 27 28
R535
100
C521
0.01
R525
100
+B
+B
7
C538
0.1
R563
10K
+B
+B
15
NJM324V
4-CIRCUIT
OPE AMP.
R540
4.7K
R544
10K
6 5 4 3 2 1
IC506
BA6796FP
LOADING/FOCUS/TRACKING/
SPIN/SLED DRIVER
8 7 6 5
NJM2904M
OPE AMP.
1 2 3 4
C534
0.0033
R598
10K
+B
C569
10/16
8
Figure 27 SCHEMATIC DIAGRAM (10/11)
R590
8.2K
R589
12K
R580 C548
0.01
3.3M
2.0V
2.0V
48 47 46 45 44 43 42 41 40 39 38
2.0V
49
2.0V
P1FP
50 49
P1FN
4.8V
LDP1
51
2.0V
P1DI
52
2.0V
P1CI
53
IC502
2.0V
P1BI
54
2.0V
P1AI
55 IX1517GE
0V
GNDR
56
RF SIGNAL
4.8V
LDP2
57
2.0V
P2AI
PROCESSOR
58
2.0V
P2BI
59
2.0V
P2CI
60
2.0V
P2DI
61
0V
GNDS
62
64 P2FN
2.0V
P2FP
63
2.0V
64
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
C544
R581
47/6.3
3.3M
C541
C547
2.2/50
0.1
C546
22/6.3
C543
0.001
DTC144 EK
C556
0.0022
R584 10K
R585 10K
C574
0.1
R591
10K
R574
5.6K
14 13 12 11 10 9 8
IC505
IC505
1 2 3 4 5 6 7
R575
47K
+B
C542
R587
0.01
4.7K
R577
5.6K
(B_VREF)
R571
R546
100
GND
IC508
(DVD__L)
+B
(FMOIN)
R539
2.2K
+B
9 10
– 27 –
+B
+B
C561
47/6.3
C559
47/6.3
2.4V
37 36 35 34 33
2.1V
C562
32
0.1
4.8V
VccR
31
32
DPDB
0V
NC
30
0V
NC
29
2.1V
C563
RFO
28
2.2V 0.0047
RPP +B
27
1.6V
(RFCD)
RPB
26
1.1V
C564 (RFRP)
RPO
25
0.0047
(RFCT)
1.1V
RPZ
24
4.8V
C565
VccS
23
0.1
0V
DFTN
22
(FE)
2.1V
FEO
21
2.1V
TEO
20
1.1V
LVL
19
4.8V
C566
VCKF 17 VccP
18
0.1
17
1.6V
C567
0.1
2.3V
C560
1
C555
Q505
0.0022
DTC144 EK
2 3
Q506
1
3
2
1
+B
R594
22K
R595
10K
Q507
DTC144 EK
2
3
1
2.2K
8 7 6 5 4 3 2 1
GND INH 0Z Z 1Z 0Y 1Y
0X X Y
C
1X
B A
9 10 11 12 13 14 15 16
C545
0.01
R582
47K
1
2
R583
4.7K 2
1
11
DX-SX1H
C672
R605
10P(CH)
10
C626
0.01
R612
680
4 .9V
8 7 6 5
2.2V
1 2 3 4
0V
R614
R610
33
33
TP506
RF
TP507
A_GND
TP508
FE
TP509
TE
TP510
VREF 26
0 V
TP511
0.6ms D_GND 0 V 27
TP512
PLCK 28
1.7 0 V
DATA 0 V 29
0
TP513 0 V
30
31
5.0 V
4.3 V
32
0V
R615
33
R608 220K
R607 15K 470 1.7V
34
R604 10K R616
1.7V
35
470
R601 10K
C610 R619 1.5V
36
330P 270K
1.65V
(CH) 37
C607
C615
3.4V
38
330P(CH) 0.033
0.93V C616
39
0.01
C605 1.3V
C617
40
SLC
0.1
22P(CH)
0V
C601
41
AVS
C618
470P 1.7V
42
AVR
1
C619 1.7V
0.6ms 43
VRC
C606
0.01
C620
1.7V
100/6.3 44
1.7 PVR
1
3.4V
1.5 45
AVD
C621
0.85V
46
0 RVR
0.01
3.4V
47
RVD
C623 1.7V
RFIN
48
470P
0V
49
RVS
C622
3.4V
50
RVR
0.01
(D3.3V_L601)
L601
C612
47µH
0.01
C603 R611
100/6.3 10K
R
5
R622
150
R
+B
C
0
+B (FOO)
(TRO)
R620
10K
R613
C625
10K
0.01
C614
R609
0.047
10K
50 49 48
C604
0.0033
2VREF
4.2V
51
0V
SEL
52
5.0V
/FOON
53
5.0V
/DFCT
54
5.0V /SRCH
+B 55
5.0V
/SHC
56
C613
5.0V
VDD
57
R603
0.01
VSS
0V
58
10K
5.0V IO0
59
0V
IO1
60
(LD_CTL)
0V
IO2
61
(/MUTE)
0V
62 IO3
5.0V
DMOUT
63
0V
CKSE
64
5.0V DACT
65
0V
66 TESIN
5.0V
TESIO1
67
0V
VSS
68
0V
PXI
69
5.0V PXO
70
5.0V
VDD
71
0V
XVSS
72
1.9V XI
73
XO
2.1V 74
5.0V XVDD
75
C611
0.01
767778
+B
C609
100P
(CH)
3
Q602
3
DTC144 EK
12