Sharp CD-XP700H (serv.man18) Service Manual ▷ View online
– 49 –
CD-XP700H
IC5 RH-iX0542AW00: MP3 Microcomputer (IX0542AW)
1-8
P60/ANI0-P67ANI7
Port6. Analog input.
9
AVSS
Analog ground.
10,11
P10, P11
Port1
12
P30/INTP0/TI81/CPT90
Port3. Interrupt from peripherals. Timer input. Capture trigger input.
13
P31/INTP1/TO81
Port3. Interrupt from peripherals. Timer output.
14
P32/INTP2/TO90
Port3. Interrupt from peripherals. Timer output.
15
P33/INTP3/TO82/BZO90
Port3. Interrupt from peripherals. Timer output. Buzzer output.
16
P20/SCK20/ASCK20
Port2. Serial clock. Asynchronous serial input.
17
VDD1
Power supply.
18
P21/SO20/TXD20
Port2. Serial output.Transmit data.
19
P22/SI20/RXD20
Port2. Serial input. Receive data.
20*,21
P23, P24
Port2
22
IC0 (VPP)
Internally connected. Programming power supply.
23,24
XT2, XT1
Cryatal (Subsystem clock)
25
RESET
Reset
26,27
X2, X1
Cryatal (Main system clock)
28
VSS0
Ground
29
VDD0
Power supply.
30
P25/TI80/SS20
Port2. Timer input. Chip select input.
31*
P26/TO80
Port2. Timer Output.
32*-34*
P00-P02
Port0
35
P03
Port0
36*
P04
Port0
37
VSS1
Ground
38*
P05
Port0
39*-42*
P50-P53
Port5
43
AVDD
Analog power supply.
44
AVREF
Analog reference voltage.
Terminal Name
Pin No.
Function
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
1
2
3
4
5
6
7
8
9
10
11
12 13 14 15 16 17 18 19 20 21 22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
P60/ANI0
P61/ANI1
P62/ANI2
P63/ANI3
P64/ANI4
P65/ANI5
P66/ANI6
P67/ANI7
AVSS
P10
P11
P30/INTP0/TI81/CPY90
P31/INTP1/TO81
P32/INTP2/TO90
P33/INTP3/TO82/BZO90
P20/SCK20/ASCK20
VDD1
P21/SO20/TXD20
P22/SI20/RXD20
P23
P24
IC0 (VPP)
AVREF
AVDD
P53
P52
P51
P50
P05
VSS1
P04
P03
P02
P01
P00
P26/TO80
P25/TI80/SS20
VDD0
VSS0
X1
X2
RESET
XT1
XT2
Figure 49 BLOCK DIAGRAM OF IC
CD-XP700H
– 50 –
IC601 VHiLC75341/-1: Audio Processor (LC75341)
Figure 50 BLOCK DIAGRAM OF IC
19
20
21
22
23
24
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
18
17
LVref
RVref
CONTROL
CIRCUIT
CONTROL
CIRCUIT
CONTROL
CIRCUIT
LOUT
LBASS
LIN
LSEL0
L4
L3
L2
L1
R1
R2
R3
R4
RSEL0
RIN
RTRE
LTRE
RBASS
ROUT
VREF
VDD
CLK
DI
CE
VSS
CCB
INTERFACE
CD
Tuner
Tape
Video
24 23 22 21 20 19 18 17 16 15 14 13
1
2
3
4
5
6
7
8
9
10 11 12
LC75341
DI
CE
VSS
LOUT
LBASS
LTRE
LIN
LSEL0
L4
L3
L2
L1
CLK
VDD
VREF
ROUT
RBASS
RTRB
RIN
RSEL0
R4
R3
R2
R1
– 51 –
CD-XP700H
IC701 RH-iX0541AWZZ: System Microcomputer (IX0541AW) (1/2)
1
VDD
VDD
Input
(+) Power supply.
2
P37
-20dBATT
Output
-20dB Attenuator.
3
P36
SUB_CE
Output
MP3 sub microcomputer.
4
P35
T_BIAS
Output
Tape record bias.
5
P34
T_T1/T2
Output
Tape T1/T2 change.
6
P33
T_REC/PLY
Output
Tape REC/PLAY change.
7
P32
CD_RESOUT
Output
CD DSP reset.
8
P31
CD WRQ
Input
CD write read request..
9
P30
NO USE
Input
Connect to GND.
10
RESET
RESET
Input
Reset.
11
X2
X2
Output
Main clock.
12
X1
X1
Input
Main clock.
13
VPP/IC
VPP/IC
—
GND
14*
XT2
XT2
—
Open
15
P04
CD_DRF
Input
CD DRF level detection.
16
VDD
VDD
Input
(+) Power supply.
17
P27
CD_CLK
Output
CD DSP clock.
18
P26
CD_DI
Output
CD DSP command.
19
P25
CD_DO
Input
CD DSP CODE Q out.
20
P24
CD_CE
Output
CD DSP CE output.
21
P23
CE
Output
CE output.
22
P22
CLK
Output
Clock output.
23
P21
DI
Output
Data output.
24
P20
DO
Input
Data input.
25
AVSS
AVSS
—
Analog ground.
26
P17
D.NO SW
Input
CD DISC No. SW
27
ANI6
NO USE
Input
Connect to GND.
28
ANI5
PLAY2/FPA/FPB SW
Input
Tape F.P A/B SW & PLAY 2 SW.
29
ANI4
PROTECT
Input
Power abnormal detect.
30*
ANI3
LVL_DET
Input
Speaker output level detect.
31-33
ANI2-ANI0
KEY 2-KEY 0
Input
Key input.
34
AVDD
AVDD
Input
Analog VDD.
35
AVREF
AVREF
—
Analog ref voltage.
36
INTP3
P_IN
Input
Power failure detect.
37
P02
CLAMP SW
Input
CD CLAMP SW.
38
INTP1
SP_DET
Input
Speaker abnormal detect.
39
INTP0
REMOCON
Input
Remocon input.
40
VSS
VSS
—
Ground voltage.
41
P74
SMUTE
Output
System mute control.
42
P73
T_SOL B
Output
Tape 2 solenoid control.
43
P72
T_SOL A
Output
Tape 1 solenoid control.
44
P71
T_MOTOR
Output
Tape motor control.
45
P70
TIMER LED
Output
Timer LED control.
46
VDD
VDD
Input
(+) Power supply.
47
P127
AC_RLY
Output
AC relay control.
48
P126
SP_RLY
Output
Speaker relay control.
49
P125
JOG 1
Input
Volume jog input 1.
50
P124
JOG 2
Input
Volume jog input 2.
51
P123
T 2_RUN
Input
TAPE 2 RUN PULSE input.
52
P122
T 1_RUN
Input
TAPE 1 RUN PULSE input.
53*
P121
MONST LED
Output
Monster LED.
Port Name
Terminal Name
Pin No.
Input/Output
Function
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
CD-XP700H
– 52 –
IC701 RH-iX0541AWZZ: System Microcomputer (IX0541AW) (2/2)
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Port Name
Terminal Name
Pin No.
Input/Output
Function
54
P120
O/C SW
Input
CD OPEN/CLOSE SW.
55
P117
MIC SW
Input
Mic switch input.
56*
P116
KARA_LATCH
Output
Karaoke latch. (When not used. Connect to 0 V.)
57*
P115
NO USE
Output
Open
58
P114
MPEG POWER
Output
MPEG power control.
59
P113
NO USE
Output
Open
60
P112
NO USE
Input
Open
61
P111
NO USE
Output
Open
62
P110
NO USE
Input
Open
63
P107
ILU_LED1
Output
Illumination LED1.
64*
P106
ILU_LED2
Output
Illumination LED2.
65*
P105
ILU_LED3
Output
Illumination LED3.
66*
P104
FOR PLY_LED
Output
Forward play LED.
67*
P103
REV PLY_LED
Output
Reverse play LED.
68*
P102
STOP_LED
Output
Stop LED.
69
FIP30
DIST
Input
Distination input.
70
FIP29
S21
Output
FL segment driver.
71-74
P97-P94
DIST 0-DIST 3
Output
Distination output.
75-78
FIP24-FIP21
S16-S13
Output
FL segment driver.
79
VLOAD
VLOAD
Input
FL driver power supp. -30 V
80-91
FIP20-FIP9
S12-S1
Output
FL segment driver.
92-100
FIP8-FIP0
G9-G1
Output
FL grid driver.
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