Sharp CD-MPS900 Service Manual page 59

Y
22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
88 89 90 91 92 93 94 95 96 97 98 99 100
1
VDD
R763 1K
2
-20dBATT
R701 1K
T_BIAS 3
R702 1K
T_REC/PLAY
4
R703 1K
T_T1/T2 5
R704 1K
CD_RESOUT
6
R705
1K
CD_WRQ
7
R706B 1K
SUB CE
8
R707
1K
ILLU LED
9
R708 1K
RESET 10
XOUT
11
XL701
XIN 12
4.19 MHz
VPP/IC
13
14
R769
1K
CD_DRF 15
IC701
16
VDD
IXA008AW
R709 1K
CLK 17
SYSTEM
R710 1K
DI 18
CROCOMPUTER R711 1K
DO 19
R712 1K
CE 20
R713 1K
21
CD_CE
R714 1K
CD_CLK 22
R715 1K
CD_DI 23
R716 1K
24
CD_DO
AVSS 25
R717
26
T_RUN PULS
1K
R739
TUN_SM(SPAN) 27
1K
T_FP SW 28
29
PROTECT
C720
VOL_JOG 30
0.022
43 42 41 40 39 38 37 36 35 34 33 32 31
R761
10K
R768
LED701
10K
304VT2H3
R767
10K
R766
10K
7
6
R795
1.5
C701
1/50
+B
C704
15P(CH)
C705
18P(CH)
3
+B
1
2
R573
10K
R759
5.6K
+B
R791
10K
R773
10K
L701
+B
100 µH
+B
RD23 RD24
KEY 2 680 820
SW725 SW726 SW727
PLAY/
REC/
STOP
REPEAT
PAUSE
RD11 RD12
KEY 1
680 820
SW712 SW713 SW714
TUNER CD TAPE
(BAND)
RD01 RD02
680 820
KEY 0
SW701 SW702 SW703
POWER CLOCK/ TUNING
ON/STAND-BY TIMER UP
8
Figure 6-4 SCHEMATIC DIAGRAM (4/10)
CD_RESOUT
CD_WRQ
CD_DRF
CD DO
CD DI
CD CLK
CD CE
DISC SW
CLAMP SW
TRAY SW1
TRAY SW2
PHOTO
GND
+B +5V
SUB_CE
C723
0.047
+B
WTM705
UNSW5.6
+B
AC RELAY
5V BACK UP
+B
D713
DS1SS133
D714
DS1SS133
RESET
R781 Q709
KRC102 S
47K
2 3
C715
1
0.01
RD25 RD26 RD27 RD28 RD29 RD30 RD31
1K 1.5K 2.2K 2.7K 3.9K 5.6K 10K
SW728 SW729 SW730 SW731 SW732 SW733
MEMORY/ OPEN/ DIRECT
DISC 2 DISC 4 DISC 5 DISC 3
SET CLOSE PLAY
RD15 RD16 RD17 RD18 RD19
RD13 RD14
1K 1.5K
2.2K 2.7K 3.9K 5.6K 10K
SW715 SW716 SW717 SW718 SW720
GAME/ X-BASS/ RIGHT
LEFT UP
SW719
VIDEO DEMO
RD03 RD04 RD05 RD06 CHARACTER
1K 1.5K 2.2K 2.7K
SW704 SW705 SW706 SW707
TUNING
FAST FAST
EQUALIZER
DOWN
REWIND/ FORWARD/
PRESET
PRESET UP
DOWN
9 10
6 – 4
CD-MPS900/CD-MPS99
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CNP704
16
FFC704
1 FW705
1
VF2
-VF
P_IN
VF1
CTR
6
6
+B
RX701
PIC3704
R783
100
1 2 3
C717
47/25
RD32
15K
SW734 SW735
DISC 1
RD20 RD21
15K 33K
SW721 SW722 SW723
ENTER DOWN
MP3
NAVIGATION
11 12