Sharp MD-MT270HS/BK - Page 27

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MD-MT270H
7
8 9 10 11 12
Figure 27 SCHEMATIC DIAGRAM (4/8)
+2.5V
+2.5V
+2.5V
+2.5V
0.01
2872F23
5
4 3
2 1
0.22
1
0.1
0.1
470P
100
6
5
4 3
2 1
6
5
4 3
2 1
NC7SZ157P6X MULTIPLEXER
SHIFT REGISTER
6
5
4 3
2 1
8
9
10 11 12 13 14 15 16
7 6 5 4 3 2 1 8
9
10 11 12 13 14 15 16
7 6 5 4 3 2 1
4.7K 12K 6.8K 22K 68K
3.3/10V
3.3/10V
100P(CH)
100P(CH)
100mA
100mA
100mA
1K
0.001
0.1
0.01
33K
18K
18K
TP771
0.1 2.2K
100
9
8
7
5
4 3 2 1
10K
0.1
100K
100K
DTC123 TKA
1
1
10K
0.1
1K
1K
680P
5.6K
100mA
100mA
150mA
12K
12K
680P
5.6K
1
330K
IR3R59N
1
150K
150K
1
1
5.6K 5.6K
12K
680P
12K
680P
4 3 2 1
15
10
MA8075-M
1
MA8075-M
10
0.22
0.22
15
1
12K
12K
12K
12K
2.2
2.2
3LN01S
MA111
330K
XP04313
6
5
4 3
2 1
0.1
1
330
330
330
0.1
62FP1602
0.1
8
7
2 1
100K
15K
8
7
6
5
4 3 2 1
MA132WK
330K
0.47
4 3 2
1
IX2960AF
9
10 11 12
13 14 15 16 17 18 19
21 20 22 23 24
8
7
6
5
4 3 2 1
8 9 10111213141516
7
6
5
4 3 2 1
2 1
3
9 101112
151413 181716 19 22 23 242120
8
7
6
5
4 3 2 1
7 6 5 4 3 2 1
HKEY1 STOP HPLAY HREC
VCCADDA
DSPSTB DSPSCK DSPDAT
INPGIN
MCPGIN
INPGCK
RPLAY
RKEY
RCAULT
AUDATA
PBAULT
PBMUTE
BEEP
AURESET
AUSCLK
RDATA
–2.5
A4 A5 A6 A7 A8 A9
CAS
D2 D3
RAS
WE D1 D0
VCC2.5V
A10 A0 A1 A2 A3
EFMOX
EFMO
DCEXT
AURESET
DADATA
ADDATA(LSI)
ADDATA(ADC)
BCLK
LRCK
RSTX(LSI)
S/L- E F G H QH- CK
B
C
GND
SI
A
SI
H
D
CK INH
VCC
A
E
QH
G CK GND
B
S/L- VCC
CK INH
D CF
QH-
VG
–B –B
–B
–B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
B
+B
+B
+B
+B
+B
+B
+B
+B
VG
REC PLAY STOP MENU/ENTER SKIP DOWN SKIP UP VOL – VOL + BASS
A0 A1 A2
VSS
SDA
SCL WP VCC
AC
L+ L–
R+ R–
PDN
CSN
CCLK
CDTI
BCLK
VD
VA
RIN2
LIN2
RIN1
LIN1
R-CH
L-CH
OUT VDD
VSS
I/O1 I/O2 WE RAS
A9
A0 A1 A2 A3 VCC
A4 A5 A6 A7 A8
OE
CAS
I/O3 I/O4
GND
A10
GND
VCC
VCOM
VSSMCLK
SDTO
LRCK
L
R
GND
VCC GND Vout
R-CH L-CH
L-CH R-CH
LCD UNIT(218)
LCD
DRIVER
LCD
1
0
S
G
Z
Z
S
V
S
0
G
1
V
V
Z
0
G
1
ATT
LIN
LLPFO
L–
L+
R+
R–
RLPFO
RIN
LHPVEE
LHPVCC
DAT
CLK
LAT
RHPVEE
RHPVCC
HP
BEEP
LPF
ATT
AMPuGAIN SEL. AMPuGAIN SEL.
LOGIC
BIAS
QH
LPF
AK5354
7MH165FK
S-80820CLN
RESET
24WC05UI2
1K
47/6.3V
IC402
OPTICAL/LINE IN
IC243,244,245
IC241,242
HEADPHONES
16M BIT D-RAM
EEPROM
AD CONVERTER/
REC AMP.
AUDIO AMP.
2.3V
REGULATOR
POWER SELECT CHARGE DRIVER
IC204
REGULATOR
IC501
IC241
IC242
IC431
IC402
R413
C869
J703A
L452
L453
R767
D496
C492
D495
R768
C766
C765
R766
C761
R773 R771
R779
C781
R781
C783
R765
IC703
C753
C760 R757
R758
R761
R762
R754
C758
C782
R772
R780
R782
C784
R774
C762
C754
R511
C511
C202
IC202
R211
R214
R215
IC203
C718
C208
IC243
IC245
IC244
C243
R243
SW451
SW452
SW457
SW458 SW456
SW453
SW454
SW459 SW455
R451 R453R452 R454
R455
R218
IC204
Q201
C504
C503
C241
C242
C481
C482
R481
R482
R483
R717
R718
Q711
CN482
J701
L704
L702
R713
C711
C712
C715
R716
C714
C713
R714
C716
R503
R502
R501
R715
R504
C509
C510
R411
R412
D431
R431
C431
C774
C775
IC771
C773
C206
L703
D202
L454
TP460 TP459 TP458 TP457 TP456 TP455 TP454 TP451 TP452 TP453
TP484 TP483 TP487 TP482 TP481 TP485
CK429
CK431
CK430
TP703
TP707
TP705
TP701
TP708
TP706
TP704 TP702
TP412
TP729
TP722
TP724
TP723
TP6
TP5
CP5
CP6
CP7
TP7
TP413
TP772
CK222
0
9
TP408 TP409 TP407
TP410
CK209
CK208 CK210
CK200
TP500
PLAYBACK SIGNAL RECORD SIGNAL
7
8
1
10
5
6