Sharp CD-RW5000 Service Manual page 28

CD-RW5000
CD-R
UNIT
MD_RCH
1
MD_LCH
2
CD-RW MUTE
3
CNP901
NC
TO CD PWB
SOLENOID
+SOL
SENSOR OUT
PLAY
PLAY SW
SWITCH
+MTR
TAPE
MOTOR
+
M +5V SENSOR
M
–COM
–
CST_SW
CASSETTE
F_REC
SWITCH
R_REC
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CNP911
EBU GROUND
1
EBU SIGNAL(INPUT)
2
SCREEN
3
EBU GROUND
4
EBU SIGNAL(OUTPUT)
5
SCREEN
6
CNP912
GROUND(CASE)
1
GROUND(CASE)
2
RESET
3
REQKBE
4
I2C-CLOCK +B
5
GROUND(D)
6
+B
I2C-DATA
7
CNP914
A-IN(REC)L-CH
5
GROUND(A)
4
A-IN(REC)R-CH
3
A-OUT(PB)R-CH
2
A-OUT(PB)L-CH
1
Q910
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
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
21
CD_RES
20
CD_CCE
19
CD_BUCK
18
CD_BUS3
17
CD_BUS2
16
CD-RW
15
CD_BUS1
14
T-MO_REV
13
CD_BUS0
12
T-MO_FOR
11
CD_L
10
PU-IN
9
A_GND
8
C-MO_REV
7
CD_R
6
C-MO_FOR
SOLENOID DRIVER
5
CD_GND
4
CD_GND
3 Q905
CD_+B
2
CD_+B
1
Q906
FFC970
Q907
1
1
1 12
2 11 +B
RUN PULSE
3 10
4
9
NC 5
8
Q908 MOTOR DRIVER
NC 6
7
7
6
8
5
9
4
10
3
11
2
12
12
12 1
Figure 28 BLOCK DIAGRAM (3/6)
CNP975
FROM
2
CD PWB
CD DOUT 1
IC921
74HCT00F
DIGITAL SIGNAL
SWITCH
5 4
6 3
IC926
7 2
TC7WU04F
8 1
INVERTOR
31
32
33
34
35
36
+B
37
Q911
X901
38
8MHz
39
40
41
X902
42
32.768kHz
43
44
45
46
47
48
49
50
IC905
KIA7042AP
RESET
+B
3 IC905
Q901
2
+B
SOL
RUN_PUL
+B
CAM-SW
+B
MOTOR
Q909
+5V
CST-SW
SIDE-A
g h i
SIDE-B O Q P X Y U V W T R S d
TO AUDIO SECTION TO AUDIO SECTION
– 28 –
UNA901
DIGITAL
INPUT
1
1 Vcc 14
13 2
2
3 12 3
4 11
5 10
9 1
6
8
7 GND 2
3
UNA902
DIGITAL
OUTPUT
+B
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11
LCD E
TIMER LCD
BACK LED CONT
SYS MUTE 30 LCD R/W
C FUTA CL 29 LCD RS
28 POWER RLY
C FUTA OP
27 N.C.
VDD
26 LCD DB7 IC901
X2
X1
IX0355AW
VSS
XT2 SYSTEM
XT1
MICROCOMPUTER
RESET
REMOCON
JOG-A
49 SP RLY
JOG-B
50 POWER KEY
SYS STOP
PROTECT
51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70
+B
+B
+B
1
A_GND
c b a
f 1 2 3 4 5 6 7 8 9
TO AUDIO SECTION