Sharp CD-K1861V Service Manual page 19

24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39
88 89 90 91 92 93 94 95 96 97 98 99 100
1
2
R778
3
VDD
1
R777
DI 4
D 2 NC
R776
CE 5
3 DO
R775
CLK 6
R774
LCK1
7
IC701
R773
LCK2
8
R772
IX0314AW
CD DSP RWC 9
R771
RESET
10
TEM CONTROL
XL701
X2
11
4.19MHz
ROCOMPUTER
X1
12
VPP
13
XT2
14
R770
CD DSP WRQ 15
VDD 16
S
R769
PCCL
17
PLAY
R768
CD DSP COIN
18
LY-CON
R767
SQOUT
19
R766
CD DSP CQCK
20
R765
CD DSP RES
21
R764
FRF(DRF)
22
R763
SPEANA1
28
SLD+
23
R762
TUN SM
29 SLD–
24
T2 RUN
30
AVSS
25
SPEANA3
26
SPEANA2
27
28
R761
29
1K
30
43 42 41 40 39 38 37 36 35 34 33 32 31
+B
+B
R755
R752 10K
10K
R756
R753 10K
10K
754 R757
0K 10K
+B
RD01
RD02
RD03
820
1.2K
1.5K
SW701
SW702 SW703
ON/
BOOK
CLOCK
STAND-BY
MARK
7
1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 9
C706
1/50
C709
0.022
+B
C710
1K 1000/6.3
1K
1K
1K
1K
1K
1K
C707
1K
15P
C708
18P
1K
+B
1K
1K
1K
1K
1K
1K
1K
1K
L702
100µH
5V BACK UP
D705
+B
1SS133
Q704
KRC102 M C712
0V
2
3
4.7V
0V
1
RD21 RD22 RD23 RD24
820 1.2K 1.5K 1.8K
SW722 SW723 SW724 SW725
FAST TUNING TUNING
FORWARD DOWN PLAY
UP
RD10 RD11 RD12 RD13
820 1.2K 1.5K 1.8K
SW711 SW712 SW714
SW710
SW713
RECORD MEMORY/ TUNER
REWIND STOP (BAND)
PAUSE SET
RD32 RD31
RD04
22K 3.3K
1.8K
RD30
3.9K
SW737
SW704 SW706 SW738
KEY KEY
KEY
TIMER/
CONTROL,A CONTROL,B
SLEEP CONTROL,C
8
Figure 19 SCHEMATIC DIAGRAM (4/13)
P22 6 - H
TO CD VIDEO PWB
CNP12
CNS12
10 11 12 13 14 15
10 11 12 13 14 15
BI12
R780
+B
10K
+B
R799
+B
4.7K
IC704
KIA7042AP
D719
REMOTE
1SS133
+B
SENSOR
1 3
RESET
RX701
N63H380A
3.3/50
2
1 2 3
C714
0.022
RD25 RD26 RD27 RD28 RD29
2.2K
3.3K 3.9K 6.8K 12K
SW728 SW729 SW730
X-BASS/
EQUALIZER DIMMER
DEMO
RD14 RD15 RD16 RD17 RD18 RD19
2.2K 3.3K 3.9K
6.8K 12K 22K
SW716 SW717 SW718 SW719
SW715
AUDIO PLAYBACK
VIDEO/ CD
TAPE
MODE CONTROL
AUX
RD05 RD06
6.8K 12K
6
6
SW705 SW706
DISC1 DISC2
1 1
FW703
9 10
– 19 –
+B
IC702
BU2092F
INPUT/OUTPUT
EXPANDER
LED711
SLI342YC
R791
680
9 8 6 4 3 2 1
7 5
IC702
10 11 12
13 14 15 16 17 18
+B
LED716,LED717,
LED721,LED723,LED724:SLI342YCJ
LED718:SLI325YC
LED719,LED20:SLI342YCE
CNS704
6 6
5 5
4 4
3 3
+B
2 2
1 1
SWITCH PWB-A3
+B
IC703
BU2092F
INPUT/OUTPUT
EXPANDER
RS711
1.5K
+B
SW731
SURROUND
18 17 16
RD20
SW721
68K
DIGEST
1 2 3 4 5 6 7 8 9
SW720
ON SCREEN
DISPLAY
RD07 RD09
22K 68K
SW707 SW708 SW709
DISC OPEN
DISC3
SKIP /CLOSE
RS701~RS705:470
LED704:SLI342UCB
11
CD-K1861V
VF2
–VP
VF1
AC_RLY CON
UN_SW 5V
D_GND
15 14 13 12 11 10
IC703
12