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