Sharp MD-MT15S Service Manual page 16

MD-MT15/15C/15H/15W/161E/18H
P14 P15 P16
EC
A
TOP
AY R455 R456 R457
5.6K 8.2K 18K
Y2
Y1
R451 R452 R453
5.6K 8.2K 18K
C481
1
C482
1
+B
DSPDAT
DSPSCK
DSPSTB
DSPRST
B
CN701 CN702
33 33
1 33
TP761
2
32
3
31
TP763
4 30
TP764
5 29
TP765
6 28
7
27
TP767
8 26
TP768
9
25
TP769
10 24
TP770
11 23
+B TP771
12 22
13 21
14 20
TP774
15 19
C TP775
16 18
TP077
17 17
TP777 TP076
18 16
TP779
EMPH0
19 15
TP780
RESET
14
20
PBMUTE
21 13
TP782
BEEP
22
12
RCAULT TP783
23 11
TP070
AUSCLK
24 10
TP785
AUDATA
25 9
TP786
PBAULT
26 8
TP787
INPGCK
27 7
TP788
INPGIN
6
28
TP789
MCPGIN
29 5
TP790
RKEY 4
30
TP791
TP064
RPLAY 31 3
TP792
2
32
TP793
ELON 1
33
1 1 TP061
D
AUDIO
PWB-A2
E
Q461
2SC4738 GR
R465
100K
F
L862
100 H
C863
1
D861
EP10LA03
VCC2.7X
IC808
R279
G
1 6 100
2 5
4
3
IC808 CHARGING CIRCUIT
HN1C01FU
PCNT1
R810
180K
+B
VCC2.7
VCCVG
1 5
IC702
2
3 4
C832
C866
0.1
1
H
IC702
4.5V REGULATOR
62GR4522
1
TP451
EDIT
1
1
TP452 DISPLY
2
2
TP453 SKIP DOWN
3
3
TP454
SKIP UP
4
4
TP455 REC
5
5
TP456
P-MODE
6
6
TP457
STOP
7 7
TP458
VOL DOWN
8
8
TP459
PLAY
9
9
TP460
R458 BASS
11
11
56K
TP461
VOL UP
12
12
TP462
ENTER
13 13
TP463 GND
14
14
CN451
TP481
1
1
TP482
2 2
TP483
3
3
4 4
5 5
TP486
6 6
TP487
7 7
TP488
8 8
TP489
9 9
CN482
6 7 8
TP093
TP092
TP091
TP090
TP089
TP088
TP088B
TP087
TP087B
TP086 TP086B
TP085
TP084
TP083
TP082
12 11 10 9 8 7 6 5 4 3 2 1
TP080
TP079
IC501
TP078
TP075
EMPH0
15
13 14 15 16 17 18 19 20 21 22 23 24
TP074 RESET
TP073
PBMUTE
TP072
BEEP
TP071
RCAULT
TP070B
AUSCLK
TP069
AUDATA
TP068 PBAULT
TP067
INPGCK
TP066
INPGIN
TP065
MCPGIN
TP064B RKEY
RPLAY
+B
TP063
RDATA
TP062
ELON +B
+B
IC802: IC802
OVER VOLTAGE REVERSE
CONNECTION PROTECTION
CIRCUIT
IC851
2.35V
REGULATOR
C851 TC7S14FU
150P
R851
(CH) 1
VCC 5
10K
2
3 4
GND
R852
47K
C823
390P
OSCIN
1
IC821 12
VREF
OSCOUT
DB
2
11
R826
3
10
10K
EAIN+ ROSC
STATE
EAIN-
4 9
C822
R823
56P(CH)
100K EAOUT VCC VCC13
5 8
R828
220K
OUT
6
7
GND
L821
C826
D821
TP811
4.7 H
EC30LA02 1
C834
0.1 D
G
S
R833
IC822
47
CPH3403
C831
0.1
2
3
Q874
1
RN1113
2
Figure 16 SCHEMATIC DIAGRAM (3/3)
• NOTES ON SCHEMATIC DIAGRAM can be found on page 11.
• The numbers
LCD ASS'Y
KEY SWITCH
FLEXIBLE
PWB ASS'Y
LCD
LCD
DRIVER
R501 C509
470 2.2
C510
2.2
R502
470
12 11
IC501
13 14 15 16 17 18 19 20 21 22 23 24
AD/DA
CONVERTER
AK4519VF
C500
10/6.3
C508
1
1
5
2 C774
1
3 4
IC771
2.5V REGULATOR
62 GR2522
L771
100 H
R815
56K
TP800
R816
24K
VCC2
6 5 4
IC802
FDC634P
1 2 3
C806
3.3
D
Q253
R853
RN1113
G
100
3 2
1
C852
R259
1 Q252
82K
2SC4738GR
R257
100K
R261
270K
R262
24K
8 7 6 5
IC821
DC/DC
C824 CONVERTER
1
560P
IR3M09N
R824
FET IC
15K
R268
Q873
2.2K
NDS332P
R267
D
75K
S
R265
22K
G
R275
56K
R831
100K
IC841
D822 2.35V REGULATOR
1SS389 D871
XC62HS02
EP10LA03
4 3
2
MICOM2.35V
1
5
C841
10/6.3
VCCPOWER
VCC12
3 4
– 16 –
1 to 18 are waveform numbers shown in page 22.
R720
R712
8.2K
5.6K R711
R719 5.6K
R710
C734
8.2K
56
0.1
C733
0.1
10 9 8 7 6 5 4 3 2 1
Q711
RI LI
RN1444 A
L-ch
R-ch
INPGCK
IC701
DGND
VCC
AUDIO
R715
100K
AMP.
IR3R54N
INPGIN
R701
+B
100
R762
MCPGIN
4.3K
R754 R761
R729
270K
4.3K
2.7K
R730
2.7K
12 11 10 9 8 7 6 5 4 3 2 1
R765:R766
RI LI
MD-MT15H/
15W/161E/18H
18
MD-MT15/15C
8.2
DGND
VCC
13 14 15 16 17 18 19 20 21 22 23 24
C755
L751
0.01
22uH
L-ch
C766 R-ch
0.22
L752
C719
22uH
10/10
R763
68
L719
0.47uH
L888
D802
TIP IMPEDER
VCC1
TP805
015Z5.1Y
1
C800
TP801
2
1
TP802
R808
3
5.6K
IC801
D800
1 6 1SS360
2 5
3 4
1 4
R802
2 3
1K
D803 1SS382
D812 REVERSE
S
SB10015C
CONNECTION
IC803
R804
FDT439N 1.0A
VCC3 VCC4
CHARGING
TP803
CIRCUIT
TP808
Q254 TP804
RN1113
3
2
1
R254
C258
2.2K
0.0047
1 D S 6
2 D D 5
G S
3 4
IC806
NDC631N
R263
C255
2 3 4
100K
0.1
Q251
R271
RN1113
2
R274 1K
IC805,IC806,IC807
75K
CHARGING CIRCUIT
R276
1
3.3K
3
R269 Q255
1
6
RN1113
100
R264
2 5
2
3
18K
3 4
IC807
1
RN4904
!
F871
L871
47 H T0.5A L 63V
VCC11
1 4
OUT VSS
1 5
2 3
2 VDD
C871
IC872
3 4
0.47
IC871 S80813LN
S8324A28
2.8V UP CONVERTER
2.8V UP CONVERTER
5
SW403
DISC LID
SW401
OPEN
EJECT 1 1
2 2
3
3
4 4 J701
R717
OPTICAL/
1K
C715
LINE IN
0.1 TP707
7
TP709 VCC
9
3 2 C713 TP708 Vout
8
1
GND
R713 L702
6
10K
1 100mA TP701
1
C712 TP702
L
2
100P TP703
L703
R
3
(CH)
100mA
TP704
GND
4
C711
L704
TP705 5
100P
100mA
R714
(CH)
Q721
10K
R716
2SC4213 B
100K
R726 R725
RIPPLE
39K 100
FILTER
R728
R727
R723
1K
8.2K
6.8K
J702
L714
R724
C731
MICIN
TP714
100mA
6.8K
0.22
4
TP713
C721 L-ch L713
2
3.3/10
100mA
R-ch TP712
3
C722
L712
C720
3.3/10
100mA 1
1000P
C724
1000P
C735 L711
100mA
1000P
C452 C776
1000P
1000P
D494 L456
15AZ7.5Y 100mA
TP726
6
C491 L452 TP725
5
0.1 100mA
TP729 TP722
2
L453 TP724
4
100mA
L454
3
100mA
TP723
1
TP721B TP721
L451
7
150mA TP727
8
TP728
C723
1000P
DC JACK
J801
DC IN
SW801
Ni-MH
SW801
BATTERY
DETECTION
BATTERY
TERMINAL
6