Sharp CD-RW5000 Service Manual page 34

CD-RW5000
MAIN PWB-A (3/3)
A
B
C
FFC901
1
GND
33
FH_C-SW_B
32
FH_C-SW_A
31
FH_A-SW_E
30
FH_A-SW_D
29
FH_A-SW_C
D 28
FH_A-SW_B
27
FH_A-SW_A
26
FH_T-SW_A
25
FH_T-SW_B
24
FH_T-SW_C
23
CD-SW
22
NC
21
CD_RES
20
CD_CCE
19
CD_BUCK
18
TO CD PWB
CD_BUS3
17
CD_BUS2
CNP1
16
CD-RW
15
P38 1-E
CD_BUS1
14
T-MO_REV
13
CD_BUS0
12
T-MO_FOR
11
CD_L
10
PU-IN
9
A_GND
E
8
C-MO_REV
7
CD_R
6
C-MO_FOR
5
CD_GND
4
CD_GND
3
CD_+B
2
CD_+B
1
33
F
TAPE
MECHANISM
PWB-H
SOLENOID
+SOL
G SENSOR OUT
PLAY
PLAY SW
SWITCH
+MTR
NC
TAPE
MOTOR NC
+
M +5V SENSOR
M
–COM
–
CST_SW
CASSETTE
F_REC
SWITCH
R_REC
TAPE MECHANISM
ASSEMBLY (1/2)
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 25.
1
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FM SIGNAL
PLAYBACK SIGNAL
RECORD SIGNAL
CD SIGNAL
+B
Q905
2SB561 C
SOLENOID DRIVER
11.4V
0V
R1011
100K
R1012
1K
C913
2
3
FFC970
2.2/50 KRC107 M
1 1 12
1 5V
0V
R1013
1 0V
2 11
47K
10
3
L910
9 47H
4
0V
5
8
6 C912
7
47/16
7 6
Q908
2SB561 C
8
5
9
4
10 3
11
2
12 1
12
12
2 3
Figure 34 SCHEMATIC DIAGRAM (3/11)
+B
+B
R931
LCD-RES
LCD-RW R930
C936
C995
100P
100P
LCD-E R929
(CH)
(CH)
LED-TIMER
R932
DIMMER
R933
S-MUTE
R1035 R934
5.6K
P-CLOSE R935
P-OPEN
R936
R1036
5.6K
X901
C942
C902
18P 8MHz
0.1
(CH)
C941
X902
22P
32.768KHz
(CH)
C943
0.1
R1044
22K
RX_IN R943
R944 1K
1K
JOG-A R965 1K
R1065
10K R966 1K
JOG-B
R947 1K
R1066
10K R948 1K
R995 1K
R946
1K
C945
0.1
+B
R1046
12K
C901
D906
1000/6.3
R1003
L901
DS1SS133
4.7K
100µH
R1001
IC905
47K
KIA7042AP
RESET
Q901
C905
KRC102 M
3.3/50 IC905
3 1
2 5V
5V
5V
4.4V 3
2 0V
0V 1
C906
C903
0.1
0.1/50
C904 R1002
0.01 100K
+B
Q906
KRC107 M
11.3V SOL
3
2
0V
1
Q907
RUN_PUL
RUN PULSE
R2133
470
CAM-SW
MOTOR DRIVER
11.4V +B
R1014
MOTOR DRIVER
100K
MOTOR
11.3V
2 3
0V
Q909
R1015
11.3V
0V
1
KRC107 M +B
820
CST-SW
SIDE-A
SIDE-B
g h i
TO AUDIO SECTION
P33 9-H
4
– 34 –
EX-DATA
EX-CLK
LCK1
+B
SPAN SEL.
R1124
10K
1K
1K
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7
1K
31 LCD E (4.6V)
1K
32 TIMER LCD 5V
1K
33 BACK LED CONT 5V
1K
34 SYS MUTE 5V
1K
35 C FUTA CL 5V
1K
36 C FUTA OP 0.2V IC901
37 VDD 5V LCD R/W (4.7V)
30
IX0355AW
38 X2 2.6V 29 LCD RS (4.5V)
SYSTEM
X1 2.3V 28
39 POWER RLY 0.8V
R941
MICROCOMPUTER
40 VSS 0V 27 N.C.
330K
26
XT2 2.8V LCD DB7 (1.3V)
41
80 FH A-SW A 0.2V
25
LCD DB6 (2.5V)
42 XT1 2V
79 FH A-SW B 0.2V
RES
43 RESET 4.4V
51 AVDD A 5V FH A-SW C 0.2V
78
44 REMOCON 5V 52 Vref0 5V
77 FH A-SW D 0.2V
JOG-A 5V
45 53 KEY 0 5V
76 FH A-SW E 0.2V
46 JOG-B 5V 54 KEY 1 5V
47 SYS STOP 5V 55 KEY 2 5V
48
PROTECT 5V
49 SP RLY 5V
50 POWER KEY 5V
C917 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74
0.1/50
C916
0.1/50
C998
22/10
C964
0.1/50
R1099
47K
+B
+B
R1125
10K
D901
DS1SS133
D902
DS1SS133
C907
10/50
+B
+B
+B
+B
A_GND
O Q X Y U V W T R S d f c b a 1 2 3 4 5 6 7 8
P33 12-C P33 7-H
TO AUDIO SECTION
5 6
C
1
(C
C950
150P
(CH)
R1031 1K
R1007 1K
R1008 1K
R1141
1K
+B
R
10
4 DEST_OUT1 0V
3 REC BIAS 0V
2 REC 0V
1
PB_MUTE 5V
R1004
10K
C1003
47/50
+
9