Sharp CD-BP1450V Service Manual page 19

FL701
FL DISPLAY
12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
2 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
1
2
D -20dBATT
S-BUSY 3
80 P8 1 VDD
T-BIAS 4
T_T1/T2 5
6
REC/PLAY
RESOUT 7
DRF 8
9
WRQ
IC701
RESET 10
0 X2 11
IX0338AW
12
X1
SYSTEM
2
VPP/IC 13
MICROCOMPUTER
3
XT2 14
CDINT 15
VDD 16
CD CLK 17
CD DI 18
CD DO 19
CD CE 20
CE
21
CLK
OUT/SWOUT 22
54 T2 PLAYSW_B
DI
AOKE LATCH 23
T1 PLAYSW_A
53
DO
N 24
52 SW
CD CLAMP
AVSS 25
51
T2 RUN
M-BUSY/TUNSM
26
27
28
29
30
9 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31
LED722
4204SRT7
+B
+B
+B
R775
10K
R776
10K
R777
10K
+B
R768
10K
7
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32 33
Q701
C707
KRC107 M
1/50
2 3
R744
1 1K
R745
100K
C701
C702
0.022
220/10
+B
R701 1K
R702 1K
R703 1K
R704 1K
R705 1K
R706 1K
R707 1K
R708 1K
C703
15P
XL701
C704
18P
R709 1K
+B
R710 1K
R711 1K
R712 1K
R713 1K
R714 1K
R715 1K
R716 1K
R717 1K
R718 1K
+B
R725
1K
+B
+B
+B
RD13
680
SW714
CD
RD25
680
RD01
680
SW701
ON STAND-BY
8 9
Figure 19 SCHEMATIC DIAGRAM (6/11)
+B
R769
10K
+B
+B
+B
5V BACKUP
L701
D708
100µH
DS1SS133
R770 Q707
C715
47K KRC102 M
3.3/50
2
3
1
RD14 RD15
RD16 RD17 RD18
820 1K
1.5K 2.2K 2.7K
SW716
SW717
SW719
SW715
TUNING/ SW720
SW718
MEMORY/ FAST
TAPE
TIME PLAY
REWIND
SET FORWARD
DOWN
RD10 RD11 RD12
820 1K 1.5K
SW711 SW712 SW713
VOLUME
X-BASS/ VOLUME
DEMO UP DOWN
RD02 RD03 RD04 RD05 RD06 RD07
820 1.5K 2.2K 2.7K 3.9K
1K
SW702 SW703 SW704 SW705 SW706 SW708
SW707
CLOCK TIMER/ AUDIO P.B.C OSD BOOK
DIGEST
SLEEP MODE MARK
10
– 19 –
CD-BP1450V
BI702
CNS702
CD INT
1 1
WRQ(DSP)
2 2
DRF
3 3
CD CE
4 4
CD DO
5 5 P17 12 - E
CD DI
6 6
CNP12
CD CLK
7 7 TO CD VIDEO PWB
RES OUT
8 8
CLAMP SW
9 9
CD_GND
10 10
S-BUSY
11 11
M-BUSY
12 12
FFC21
1
1
2
CE
3 DO
4
DI
5
CLK
6
T_BIAS
7
T_T1/T2
8 REC/PLAY
9
M_GND
P21 12-D
10 M_10V
CNP701
11 TO MAIN PWB
S MUTE
12
VF1
13
-VP
14
VF2
15
AC_RLY CONT
+B
16
UN_SW 5V
17 D_GND
+B
18
SW_5V
19 POWER
20
SPAN
21
SW OUT
21
CNS701
+B
+B
R772
4.7K
D710
DS1SS133
IC704
+B
KIA7042AP
RESET
D711
DS1SS133
3 1
RX701
R773
REMOTE
100
2
SENSOR
C716
C717
0.022
1 2 3
10/50
C718 C719
47/16
0.022
RD24
RD23
RD19 RD20 RD21 RD22
33K 100K
3.9K 5.6K 10K 15K
SW723
SW724 SW725
SW721
REC/
TUNING/ TUNER/
STOP
PAUSE TIME UP BAND
RD09
RD08 RD26
56K 6.8K 100K
SW709 SW710
OPEN/
DISC
CLOSE
SKIP
DISPLAY PWB-A2
11 12