Sharp CD-C1W Service Manual page 36

CD-C1W,CP-C1W
DISPLAY PWB-A1
A
B
FW853
3 3
VF2
–38(VP)
VF1
1 1
CNS701
RESET
C 10
9
GND(D)
8
+B
+4.6V(D) 7
+B
6
+12V(M)
+B
5
DATA1 4
COM1 3
SCK1
2
LED715
1
STB
333GTH2
LED717
D
333GTH4
LED721
SPR325MV
LED722
SPR325MV
E
LED723
SPR325MV
LED724
SPR325MV
F
G
H
NOTES ON SCHEMATIC DIAGRAM can be found on page 16.
1
LED714 R786
Q712
333GTH2 820 KTC3875 GR
3
2
3.7V 0.7V
0V Q713 REW
1
KTC3875 GR
3.7V 0.7V
2
3
LED716 R787
1
0V
333GTH4 820
3
2 REV
10.6V
0.2V
LED718
R788 1
333GTH2 0V Q714
1K
KTC3875 GR
Q716
KTA1504 Y
3
0V 11.6V
R790 2
1 12.1V
1K Q717
1
12.1V
KTA1504 Y
12.1V
11.3V
R791
3
2
1K
2 3
12.1V
11.3V
Q718
R792
12.1V KTA1504 Y
1K 1
Q719
1
12.1V
KTA1504 Y
11.6V
R793 0V
2 3
1K
12.1V 3
2 11.3V TAPE OFF
R794
Q720
1K
KTA1504 Y
1
12.1V
1
12.1V
TAPE ON
R795
0V 11.6V
Q721
1K 2 3
KTA1504 Y
VIDEO OFF
3
12.1V 11.3V
R796 2 Q722
KTA1504 Y
1K 12.1V 1
1
12.1V
R797 2 VIDEO ON
11.6V
0V
1K
3
Q723
KTA1504 Y
R736
5.6K
SW713
DOLBY-NR
R749
5.6K
SW723
SLEEP
2
Figure 36 SCHEMATIC DIAGRAM (12/15)
+B
F-PLAY
LED708
STOP 333GTH2
FF
LED709
333GTH4
+B
+B
+B
+B
SW706
SRS PASS
R735 R734
3.9K 2.2K
SW712 SW711 SW710
FORWARD PLAY RECORD/PAUSE
EDIT HIGH
R748 R747
3.9K 2.2K
SW721 SW720
SW722
TIMER CLOCK REVERSE MODE
3 4
– 36 –
64 63 62 59 58 57 56 55
LED707
+B
333GTH2
LED725
333GTH2
LED726
333GTH4
R770 820
R771 820
R772 820
R773 1K
F-PLAY
R774 820
R775 820
R778 1K DATA1
R779 1K
R780 1K
R781 1K STROBE
R782 1K PAUSE
R783 1K
R784 1K
D701
1N4004S
R700
D702
27
1SS133
C711
3.9V
0.022
2
4.6V
0V
3 1
C709
RX701
150P
REMOTE CONTROL
SENSOR
R729 R728 R727
2.2K 1.8K 1.2K
SW705 SW704
SRS MODE EQUALIZER/DEMO
R733 R732
1.8K 1.2K
SW709 SW708
STOP
EDIT NORMAL
R746
R745
1.8K
1.2K
SW719
SW718
REVERSE PLAY
CD PAUSE
5
54 53 52 51 50 49 48 47 46 4
80 79 78 77 76 75 74 73 72 71 7
S47
81 PG0
S39
-32.5V
PG1
82
S40
-36.6V
PG2
83
S41
-32.5V
PG3
84
DISC1
0.5V
P00
85
DISC2
0.5V
P01
86
DISC3
P02 0.5V
87
P03 0.5V
88
VSS
0V
VSS2
89
VDD
VDD2 4.0V
90
STOP
0.6V
P04
91
F
FF 0.6V
P05
92
P06 0.6V
C
93
P07 0.6V
94
0V
SO0
95
COM1
0V
SI0
96
SCK1
3.8V
SCK0
97
SO1
98
2.0V
SI1
99
0.7V
REW
100
0.7V
REV 0V
1 2 3 4 5 6 7 8 9 10
0.4V
R701 1K
CD OFF
R702 1K CD ON
R703 1K TUNER OFF
RY40 1K
RY41 1K
RY42 1K
RY43 1K
RY44 1K
RY56 RY03
100K 100K
SW
VOL
UP/D
R726
1K KEY1
SW703
R725
8.2K
X-BASS
R731
1K
KEY2
SW707
R730
8.2K
FF
R737
8.2K
KEY3
R743
8.2K
R744
KEY4
1K
SW717
REWIND
6