Sharp CD-XP120 Service Manual page 13

E
CNP701
CNS701
6 5 4 3 2 1
7 6
36 35 34 33 32 31 30 29 28 27 26 25
37
38 UP_SW
39 DISC_SW
40
LOAD_SW
41
PICK_IN
IC403
42
CD_STB
IX0051SJ
43
NRST
SYSTEM
44
MMOD
MICROCOMPUTER
45
46
MCLK
MDATA
47
MLD
48
1 2 3 4 5 6 7 8 9 10 11 12
20 19 18 17 16 15 14 13 12 11 10 9
21 TVR
22
TVD
23
PC
24
ECM
25
ECS
26
KICK
27
TRO
28
FOO
29
VREF
IC401
30
FBAL
MN6627482W
31
TBAL
CD SIGNAL CONTROL
FE
32
TE
33
RFENV
34
35
VDET
36
OFT
37
TRCRS
38 /RFDET
39 BDO
40
LD
41 42 43 44 45 46 47 48 49
50 51 52 53 54 55 56 57 58 59 60
Figure 13 BLOCK DIAGRAM (2/4)
+B2 +B6
5 4 3 2 1 CNS101
D405
D401
D404
24
23
CE
CL 22
21
DO
20
DI
19
XO
X402
8 MHz
18
XI
VSS 17
16
OSC1
15
OSC2
VDD
14
13
8 7 6 5 4 3 2 1
80
SSEL
79
MSEL
78
PSEL
77
CSEL
RSEL 76
OUTR 75
AVSS1 74
73
OUTL
72
AVDD1
/TEST 71
IOSEL 70
RESY 69
DEMPH 68
CRC 67
66
CLVS
65
FLAG
IPFLAG 64
FCLK 63
CLOCK 62
BYTCK 61
– 13 –
Q412
Q411 Q413
CONSTANT
VOLTAGE
TAPE_DET
CD-XP120
CNS105
FM_ST
1
SD
2
DO
3
CL
4
DI
5
TO MAIN
CE
SECTION
6
CNP105
CD+B
7
+B5
8
9
10
1
2
CNS103
CD_R
3
TO MAIN
A_GND
2 SECTION
CD_L
CNP103
1