Sharp XL-MP333H Service Manual page 37

+B
L413
0.82µH
C432
0.047
R426
6.8K
+B
C466
3
100P
12
4 73 72 71 70 69 68 67 66 65 64 63 62 61
11
DATA 60
DATACK 59
LRSY 58
62 61
ASDFIN 57
8 7
ASDACK 56
ASRACK 55
16MOUT 54
10
EFLG 53
IC401
C2F 52
LC78646E
XVSS 51
CD SERVO
FSX/16MIN 50
XIN 49
XOUT 48
XVDD 47
RVDD 46
RCHO 45
38 39 40
RVSS 44
LVSS 43
LCHO 42
LVDD 41
7 28 29 30 31 32 33 34 35 36 37 38 39 40
9
Q404
2SC3052F+
+B
C440
425 470 10/16
+B
C499
47/16
C404A
220/16
C411
0.1
C404B
220/16
C431
0.1
R463
+B 100
+B
80 79 78
R468 100
LRSY
1
R467 100
2 ADDATA
R469 100
ADBCK
3
R466 100
4 ADLRCK
R474 100
C2FIN
5
C453 0.1
6 VSS
R473
CKIN
7
100 L407 C481
VSS
8
0.1
CKOUT
9
L402 R470
10 VSS
100
DVDD1
11
R448 82
12 PW
SBSY
+B 13
C480 0.1
SFSY
14
R477 C456 0.1
SBCK
15
3.3K
AVDD
16
VPRFR
17
VCOC
18
R455
APDD
19
22K
C460 10/16
20 AVSS
R454
21 22 23 24 25 26 27 28 29
150
+B R478 R456
3.3K 10K
Q403
2SC3052F+
+B
7
C462 0.1
+B
C496
0.1
24 23 22 21 20 19 18 17 16 15 14
25 P04/AN4
P05/AN5 P12
26
27 P06/AN6 P11
12 P13
P07/AN7 P10
28
24 23
29 P20 VDD1
IC405
P21 CF2
30
31 P22 CF1
P23 VSS1
32
33 P24 XT2/AN11
R479
P25 XT1/AN10
34
100 47 48
35 P26 RESET
P27
36 P73
37 38 39 40 41 42 43 45 45 46 47
R489
1.5K
+B
C444 0.1
C439
10P(CH)
L401 R487 100
X401
16.9344MHz
R434 220
C441
+B 10P
R421 47
(CH)
R422 47
R423 100K
C438 0.1
R424
47
C436 100/16
C434
0.1
C426
0.1
+B
+B
R453
10K
C451
0.1
77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61
R465A
MADRS0 60
220
MADRS1 59
R465C
MADRS2 58
220
MADRS3 57
R465E
80 79 78 63 62 61
MADRS4 56
220
MADRS5 55
R465G
MADRS6 54
IC403 220
MADRS7 53
C446
LC78684E
VSS 52
0.1
DVDD4 51
MP3 DECODER R465I
MADRS8 50
220
MADRS9 49
R465K
44 UCAS
MADRS10 48
43
LCAS 220
47
MADRS11
42 WE
MADRS12 46
21 22 41 R462
RAS
45
OE
220
44
R461
43
220
42
R452
41
220
30 31 32 33 34 35 36 37 38 39 40
+B
R471Q
220
R471N
220
R471L
220
R471J
220
+B
8
Figure 6-15 SCHEMATIC DIAGRAM (14/15)
C428
470P
IC405
IXA020SJ
MICROCOMPUTER
+B
13
C429
470P
12
11
0
9
8
X402
7
8MHz
L412
6
2
5
0.82µH
4
+B
3
R472 1K
2
C472
1
0.001
48
R471
C474
22P
6.8K
C468
0.1
C473
R498
22P
6.8K
R449
0
R491
C463
R450
0 2.2/16
0
C464
0.1
R494
C465
0
33/16
C494
0.1
+B
Q406
R438
2SC3052F+
68
+B
R440
100
C449
0.1
+B
R465B
C459
470/10
220
R465D
26 VDD 25
VSS
220
27
A4 A3 24
R465F
28 A2 23
A5
220
29 A6 A1 22
R465H
30 A0 21
A7
220
31 A8 A10 20
32 A11 19
A9
33 NC CS 18
R465J
34 17
CKE RAS
220
35 CLK CAS 16
R465L
36 15
UDQM WE
220
37 NC LDQM 14
+B
38 13
VDDQ VDDQ
R475
39 DO8DO7 12
220
40
DO9 DO6 11
R476
41 VSSQ VSSQ 10
220
42 9
DO10 DO5
43 DO11 DO4 8
44 VDDQ 7
VDDQ
45 DO12 DO3 6
46 DO13
DO2 5
47 VSSQ VSSQ 4
R471P
48 DO14
DO1 3
220
49 DO15 DO0 2
R471M
50 VSS
VDD 1
220
R471K
220
R471I
+B
220
9 10
6 – 15
XL-MP333H/XL-MP444H
R497D 2.2K
USB_CE
1 1
2
R497B 100
USB_RES
2
3
R497C 100
USB_ON
4 3
R497A 1K
USB_REQ
4
5
R497F 1K
USB_DI
6 5
R497E 2.2K
USB_DO
7 6
R497G 2.2K
USB_CL
8 7
CNS405
CNW405
MR401
CORE
R458
L409
22
D-
1 1
2
3 2
L406
D+
4 3
R457 L410
CNS407
22 CNW407
C427
0.1
C484 C437
0.001 0.001
L404
L-CH
1 1
C435 R433A
1/16 2.2K 2
L411
AGND
3 2
C443
R436 0.82µH
R-CH
4 3
L408
1/16 2.2K
CNW406
CNS406
C442
C485
0.001
0.001
P_GND
1 1
2
V_CD
+B
3 2
L405
D_GND
4 3
C497
CNW403 CNS403
0.047
IC404
K4S16E60
DRAM
+B
11 12