Sharp CD-XP120 Service Manual page 23

D+
D–
C460
ATE
0.022
Q409
C1815 GR
R453
R454
38
7K
MDATA
MLD
R449
1K
21 TVR
R492 22
TVD
12K
23
PC
24
ECM
25
ECS
26
KICK
27
TRO
28
FOO
29
VREF
C425
30 FBAL
0.1
31
TBAL
R489B 1K
FE
32
R489A 1K
TE
33
RFENV
34
35 VDET
36
OFT
37
TRCRS
C427
38
/RFDET
0.1
39 BDO
40
LD
R493
7.5K
C451
120P(CH)
7
All manuals and user guides at all-guides.com
P25 12 - F P16 4 - A
TO DISPLAY PWB TO MAIN PWB
CNP701 CNP101
CNS701 6 5 4 3 2 1 7 6 5 4 3 2 1
6 5 4 3 2 1 7 6 5 4 3 2 1
BI701
L404
2.2 µH
L405
2.2 µH
R467
1K
+B
36 35 34 33 32 31 30 29 28 27 26 25
R475
1K
R452
24
37
1K
R476
38 UP_SW CE 23
1K
R477
39 22
DISC_SW CL
1K R478
40 LOAD_SW DO 21
R479
41 PICK_IN DI 20
R455 IC403
42 19
CD_STB XO
1K
IX0051SJ
43 NRST XI 18
SYSTEM
44 17
MMOD VSS
MICROCOMPUTER
45 16
OSC1
46 MCLK OSC2 15
R479A
47 14
1.8K
48 13
1 2 3 4 5 6 7 8 9 10 11 12
R491
1K
R445
47K
R499 R446 R444
47K 47K
1K
R495 1K
R496 1K
R497 1K
20 19 18 17 16 15 14 13 12 11 10 9 8 7
IC401
MN6627482W
CD SIGNAL CONTROL
41 42 43 44 45 46 47 48 49
50 51 52 53 54 55 56 57 58 59 60
R457
220K
R466
2.7K
R474
2.7K
C433
R458
C428
0.33
C436
100K
560P
0.33
C431
0.001
C432
0.68
C434
0.1
8 9
Figure 23 SCHEMATIC DIAGRAM (8/10)
CNS101
BI101
D401 D405
1N4148
1N4148
D404
1N4148 Q411
C426
KRC102 M
3.3/16
R481
2 3
10K
R435B
R435A
1K
1K 1
D406
1N4148
+B
C455
0.1
1K
1K
1K
1K
X402 L403
+B
2.2 µH
8 MHz
VDD
R480
1K
C452
100/10
C437
0.1
6 5 4 3 2 1
C444
SSEL 80
0.0027
C447
0.0027
MSEL 79
R483
R485
560
78
PSEL 560
C445
77
CSEL
0.001
R486
R484
RSEL 76
680
680
OUTR 75
74
AVSS1
73
OUTL
C446
AVDD1 72
470/6.3
R487
/TEST 71
100
IOSEL 70
69
RESY
DEMPH 68
CRC 67
CLVS 66
65
FLAG
64
IPFLAG
FCLK 63
CLOCK 62
BYTCK 61
L402
C441
0.82 µH
0.1
X403
16.93 MHz
C442
C438
15P(CH) 15P(CH)
C458
0.047
L401
0.82 µH
C457
0.047
10
– 23 –
CD-XP120
R482
1K
Q412
R471A
KSC1815 GR
10K
R471B
120
R442B
10K
R473
Q413
R442A
KSC1815 GR 1K
82
CNS105
FM_ST
1 1
SD
2 2
DO
3 3
CL
4 4
DI
5 5
CE
6 6
CD+B
7 7
BI105A
8
9
10
TAPE_DET
1
2
BI105B
C449
10/50
CD_R
3 3
A_GND
2 2
CD_L
1 1
C450
BI103 CNS103
10/50
11 12