Sharp IM-MT899H Service Manual page 31

DADATA
ADDATA
DFCK
BCLK
LRCK
DIN
IC303
TC7SH08FU
GATE IC
1 VCC 5
DFCKC
2 4
C309
3 4
GND 1
5
IC302
TP302
6204B31M
3.1V REGULATOR
3
+B
C303
1
2
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
1 OSCVSS 48
XTAL
2 47
3 PLLSW EXTAL 46
1 VDEA0
49 VDEC0
TEST0 OSCVDD
4 45
2 VSEA0
50 VSEC0
5 DSP_CLK PLLVSS 44
CPU_CK
6 VDC0 51 PLLVDD 43
DSPIF0 PLLVDD
IC301
7 DSP_IF0 USB_SW 42
DSPIF1 USBVDD
8 DSP_IF1 CXD1873A USBVDD 41
9 VDEA1 DM 40
DSPIF2 SECURITY CHIP IC
10 DSP_IF2 DP 39
DSPIF3
11 DSP_IF3 USBVSS 38
14 EXT_IF0 30 VSC2
12 VDC1 VSC3 37
EXT_IF1 31 DNK_RS
15
VSC0
13 VDC4 36
16 CXD1873A 32 TEST1
USB_EN
14 35
15 PLLTHRU 34
16 33
VDEA4
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
5 4
6 3
7 2
8 1
R314
100K
VCC_SERVO_ON
+B
+B
IC404
+B
T7SZ00FU
VCC
1 5
RMDAT
GATE IC
2
3 4
GND
RDATA
ELON
EMPH0
EMPH1
PCNT2
DCON
BATON
PCNT3
HKEY1
PLVBAT
PLVDCI
RKEY
P/R
R425
22K
+B
D432
1SS302
+B
FP1
7
R444
470
R446
6 1
820
5 2
4 3
LED301
CL321CD
+B
R311
10K
R315 PCNT2
3
Q301
10K
2
2SC4617 R
1 D302
RB520S30
+B
VBUS
D+
D–
GND
+B
C314
15P(CH)
TP500 R501
470
4
C500
C502
1
1 0.0022
C306 8 7 6 5 4 3 2 1
1
OSCVDD
C305
1
R342
1.5K
R340 27
9 10 11 12 13 14 15 16
R339 27
C307
33P
(CH)
5
7 8 6
R443
2SC4617 R
+B SW.3_1V
+B
Q843
C870
SSM6J08 FU
0.01
1 6
2 5
3 4
R870
C871
0.1
680K
R841 100K
VCC_PB–
D772 VCC_PB+
F10J2E
2 D771
1
F10J2E
Q842
RT1N441 U 3
TC7S86FU
D862
F10J2E
1
2
3
C863 GND
1
D852 L851
F10J2E IC851
10µH
+B
C858
1
MCH3409
D
R856
G
1.5M N-CH MOS FET
S
R855
R854
220K
10K
ERRAMP GND
5
C856 EO
C857
150P
56P EIN
6
(CH)
R831 (CH)
R832 OUT
180K 150K
VCC
7
IC852 R853 EIP STAND
BY
270K
IR3M14N 8
ROSC CTRL
DC/DC CONVERTER
C827
150P(CH)
+B
GND
ERRAMP
5
EO
R824
R825
10K
270K EIN
6
OUT
C826
VCC
120P 7
R836 EIP
STAND
(CH)
180K BY
R823
8
ROSC CTRL
270K
IC822
C831
0.33
IR3M14N
DC/DC CONVERTER
D821
D
L821
FS1J2EA
G 10µH
C823
47/4
S
EZ1715
IC821
C822
22/6.3
MCH3409
N-CH MOS FET
R451
1K
Q451
XP04501
Q452
R456
4 3
2SB1462 J 1K
5 2
6 1
R453
100K
R458
1M
8 9
Figure 31 SCHEMATIC DIAGRAM (2/2)
CNA01
VSS
1
VDD
2
VLCD
3
LCD ASS'Y
DN
4
(238) SCL
5
CE
6
INH
7
6 5 4
1 2 3
CN451
FPC01
DSPINH
TP451
1
+B
TP452
2
DSPSTB TP453
3
DSPSCK TP454
4
DSPDAT TP455
5
HREC TP456
6
HPLAY TP457
7
TP458
8
HKEY1 TP459
9
STOP
TP460
10
11
TP462
12
13
14
F301
B301
630mA
TP369 100MHz
TP370
D301
15AZ6.2Y +B TP365
B303 TP367
150mA
B304 TP366
150mA TP368
NC
C509
1
R502
470
C510
1 IC701 11 10
12
IR3R54N
AUDIO AMP.
C704
R704
13 14 15 16 17 18 19 20 21 22 23 24
470P
22K
8 1
7 2
6 3
5 4
+B VCCADDA
OPTCNT
INPGCK
INPGIN
MCPGIN
R754
180K
C758
1
C754
1
R442
470 R758
100
10K
12 11 10 9 8 7 6 5
RHPVEE
Q442
BIAS AMPuGAIN SEL.
LOGIC AMPuGAIN SEL.
LHPVEE
13 14 15 16 17 18 19 20 21 22 23 24
+B
8 7 6 5
1 2 3 4
R731
47K
–B
C753
1
4 3
C774
1
2
5 1
C773
IC771
+B 0.22
6204B28M
2.8 V REGULATOR
–B
+B
+B
+B
IC871
VCC4_5
1
5
VCC C840 2
5
0.47 3 4
C876
1
4
D800
IC842
1SS388
EXCLUSIVE
6204B45M
OR GATE
4.5 V REGULATOR
+B
C846 D843
0.1 1SS372
VCC_RC-
C844
1
R842
10
4
D841 C843
3
FS1J2EA 1
+B +B
+B
2
D L841
G
22µH
Q806
1
5
1 XP04501
2
1
3 4
S
2
IC841
3
4 S8328B31
DCON R810
R807
3.1V UP CONVERTER
3
100K
+B 22K
2
4
5
1
6
PCNT2
Q253
R850
XP04313
100K
R251
C251
22
0.1
+B
1 OUT 4
VSS
VDD
2 3
XP04501
IC251
S80808LN
1
RESET 2
R822
3
100K
PCNT4
PLVBAT
BATON
CHGCNT
+B
10
– 31 –
IM-MT899H/IM-MT899W
LCD/KEY PWB-B
REC SWA01
RECORD
PLAY SWA02
PLAY
STOP SWA03
STOP
SKIP UP SWA04 SKIP UP
RA02
RA01
2.2K SKIP DOWN SWA05 SKIP DOWN
1.5K
RA03
3.3K VOL+ SWA06 VOLUME +
RA04
6.8K VOL– SWA07 VOLUME –
RA05
12K MODE
SWA08 MODE
RA06
SYNC
33K SWA09
SYNCHRONISED
RECORDING
R720
8.2K
R712 5.6K
R719
R711 5.6K
8.2K
C734 R721
C715
0.1 +B 33
0.1
Q711
9 8 7 6 5 4 3 2 1
2SC4617 R
RI LI C713
1
R713
10K
L–ch L702
R–ch 100mA
L703
R715 100mA
100K
L704
150mA
C701
R714
R716
10/6.3
10K
100K
C702
R702 C714
10/6.3
1
100
2SD2351 W
+B
R728
1K R724
6.8K
C731
+B
0.1
R729 C721
2.2K
3.3/10
L–ch L713
100mA
R–ch
R–ch
R730
C722
2.2K
3.3/10 100mA
4 3 2 1
C724
0.001
L456
L491
100mA
33
C763
1
R765 L452 TP729
C491
15
L–ch 0.1 150mA L453
L454 150mA
150mA
R766
15 C765
L457 100mA
0.22
???mA
C766
0.22
L458
100mA
ELON
Q493
2SB1462 J
R495
2.2K
C493
1
L805
+4.5V +B JACKIN
Q825
100MHz
RT1N441U
R889 C894
PCNT3
2 1K 0.001
3
L807
1 R819 100MHz
4.7K
R813
10K
R881 R882
18K 10K
R816
100K
R884
6 5 4
10K
R814
Q809
27K
2SB1462 J
1 2 3
Q801
FTD2017 D803
1SS389
R815
5 G2 G1 4 470K
6 S2 S1 3
D805 +2V
7 S2 S1 2
1SS388 R803 IC801
8 D D 1 100
D806 S80811LN
1SS388
Q804
Q803 1 OUT 4
XP04501 VSS
R801
2SA17457
47K
1 6
R805 VDD
2 3
R828
2 5
1M
2.2K
R804
3 4
330K
D801
1SS388 Q261
R806
100K XP04501
1 6
6
2 5
5
3 4
4
Q252 R262
330K
R809 FTD2017
5 G2 G1 4
BATTERY
47K
S2 S1
6 3
R253
7 S2 S1 2
3
D D
33K 8 1
2
1
C252
0.1
R821
2.2K
Q254
R254
2SB1462 J
1M
Q821
R255
R275 C272
15K 0.1
560K
R259
R274
6
2.2K
R258
68K
5
330K
C253
4
R276
0.01
150K
C274
R277
0.1 2.2K
4 3
-
2
R278 +
5 1
22
IC271
C273
S89110AC
0.1
OP AMP.
R256
100K
R281
1K
11
1
3
JK301
USB
2
4
J701
OPTICAL/
LINE IN
TP706
7
TP708 VCC
9
TP707
Vout
8
GND
6
TP701
1
TP702
L
2
TP703
R
3
TP704
GND
4
TP705
5
R725
100
Q721
L714
100mA TP714
4
TP713
2
TP712
3
TP711
L712
1
J702
L711
MIC IN
150mA
(PLUG IN
POWER)
TP726
6
TP725
5
TP722
2
TP724
4
TP723
3
L451 TP721
1
TP727
7
8
TP728
J703
HEADPHONES/
REMOTE
1
TP805
TP806
2
TP807
3
J801
DC-IN
2V
DC-IN (237)
RESET
BATTERY
TP808
TERMINAL,+(214)
BATTERY
TP809 TERMINAL,–(223)
EXTENSION
TERMINAL,+ (237)
TP802
EXTENSION
TERMINAL,– (237)
TP803
R271
470K
CONTROL
TERMINAL(237)
12