Sharp MD-M3 Service Manual page 33

FLD01
1 2 3 4 5 6 7 8 9 10 11
+B
74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59
PG0 4.29V
81
82 PG1 4.92V
ICD01
IX0288AW
SYSTEM MICROCOMPUTER/
FL DRIVER
99 P14 5.12V
100 P15 4.84V
8 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
7 9
+B
CD08
150P
CD09
150P
RD32
1K
RD59
100K
CD10
0.01
7
FL DISPLAY
12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
–B
+B
–29(VP)
58 57 56 55 54 53 52 51
–19.2V
S15
50
S16
49
–26.3V
–29.6V
S17
50 S19
S17 48
49 S18
–29.6V
S18
S16
47
VDD
4.93V
VDD3
46
S19
–15.4V
S15
45
S20 –24.5V
S14 44
S21 –22.8V
S13
43
G13 –27.4V
S12 42
G12 –27.4V
S11
41
G11 –27.4V
S10
40
G10 –27.4V
S9
39
G9 –27.4V
S8
38
G8
–27.5V
S7
37
G7 –27.7V
S6
36
32 S2
G6
–27.7V
S5
S1 35
31
G5 –27.8V
S4
34
G4
–27.7V
S3
33
G3 –27.4V
32
G2 –27.5V
31
RD47
68K
RD48
8.2K
+B
4.89V
2
3.95V
1 3
0V
RXD01
REMOTE SENSOR
RF25 8.2K
RF26 8.2K
RF01 RF02
1K 2.2K
SWD01 SWD02
POWER DISPLAY
RF09 RF10
1K 1.2K
SWD10 SWD11
SURROUND PRESET
EQUALIZER
RF17 RF18
1K 1.2K
SWD19 SWD20
FF REVIEW
8 9
Figure 33 SCHEMATIC DIAGRAM (2/14)
28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45
QD02
KTC3199 GR
QD03
KTC3199 GR
–27.6V
QD04
KTC3199 GR
–27.7V
+B
4.93V
2 3
CD19
0.001
1
SWD28
VOLUME
+B
RF27 8.2K
RF03 RF04 RF05
1.8K 2.2K 3.9K
RF11 RF12 RF13
1.8K 2.2K 3.9K
SWD12 SWD13 SWD14
TUNER
X-BASS AUX
RF19 RF20 RF21
1.8K 2.2K 3.9K
SWD21 SWD22 SWD23
PLAY/
HIGH
STOP
PAUSE
MD-M3 ONLY
CD MD EDIT
10
– 33 –
MD-M3/M1
46 47 48 49
–B
RF06 RF07
5.6K 12K
SWD08
MD
EJECT
RF14
5.6K
SWD15 SWD16
CD MD
RF22
RF23
5.6K
12K
SWD24 SWD25 SWD26
NORMAL MEMORY
REC
DISPLAY PWB-B1
11 12