Sharp CD-BA1200 (serv.man10) Service Manual ▷ View online
CD-BA1200H
– 44 –
IC701 RH-iX0337AWZZ: System Microcomputer (IX0337AW) (1/2)
Port Name
Terminal Name
Pin No.
Input/Output
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Function
1
VDD
VDD
—
(+) POWER SUPPLY
2
P37
—
—
GND
3*
P36
S-BUSY
Output
COMMUNICATE TO MPEG MICROCOMPUTER
4
P35
T–BIAS
Output
TAPE RECORD BIAS
5
P34
T–T1/T2
Output
TAPE T1/T2 CHANGE
6
P33
REC/PLAY
Output
TAPE REC/PLAY CHANGE
7
P32
RES OUT
Output
CD DSP RESET & MPEG MICROCOMPUTER RESET
8
P31
DRF
Input
CD RF LEVEL DETECTION
9
P30
WRQ
Input
CD DSP WRITE REQUEST
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 INT
Input
CD DSP INTERRUPT
16
VDD
VDD
—
(+) POWER SUPPLY
17
P27
CD CLK/MCLK
Output
CD DSP CLOCK/MPEG MICROCOMPUTER CLOCK
18
P26
CD ID/MDI
Output
CD DSP COMMAND/MPEG MICROCOMPUTER COMMA
19
P25
CD DO/MDO
Input
CD DSP CODE Q OUT/MPEG MICROCOMPUTER DATA INPUT
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
Output
DATA INPUT
25
AVSS
AVSS
—
ANALOG GROUND
26
ANI7
TUN SM
Input
TUNER SIGNAL METER INPUT
P17
M–BUSY
Input
COMMUNICATE TO MPEG MICROCOMPUTER M_BUSY
27
ANI6
NO USE
Input
GND
28
ANI5
SPEANA 2
Input
SPEANA DATA INPUT 16 kHz
29
ANI4
SPEANA 1
Input
SPEANA DATA INPUT 1 kHz
30
ANI3
SPEANA 0
Input
SPEANA DATA INPUT 63 kHz
31-33
ANI2-ANI0
KEY2-KEY0
Input
KEY INPUT
34
AVDD
AVDD
—
ANALOG VDD
35
AVREF
AVREF
—
ANALOG REF VOLTAGE
36
INTP3
SYS STOP
Input
SYSTEM STOP INPUT
37*
P02
SPRLY
Output
SPEAKER OUTPUT RELAY CONTROL
38
INTP1
NO USED
Input
GND
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
—
(+) POWER SUPPLY
47
P127
AC RLY_CONT
Output
AC RELAY CONTROL
48
P126
SPRLY
Output
SPEAKER OUTPUT RELAY CONTROL
49
P125
SP DET
Input
SPEAKER OUTPUT DETECTION
50
P124
T1 RUN
Input
TAPE 1 RUN PULSE INPUT
51
P123
T2 RUN
Input
TAPE 2 RUN PULSE INPUT
52
P122
CD CLAMP SW
Input
CD CHANGER CLAMP SWITCH
53
P121
T1 PLAY SW_A
Input
PLAY SWITCH FOR T1
– 45 –
CD-BA1200H
54
P120
T2 PLAY SW_B
Input
PLAY SWITCH FOR T2
55
P119
PPA
Input
TAPE 2 A–SIDE FULL PROOF
56
P118
FPB
Input
TAPE 2 B_SIDE FULL PROOF
57
P117
MIC IN
Input
MIC SWITCH
58*
P116
KARAOKE LATCH
Output
KARAOKE LATCH (When not used. Connect to 0V)
59
P115
DISTOUT/SW OUT
Output
DISTINATION OUTPUT
60
FIP39
SPN
Input
TUNER SPAN CHANGE
61*-62*
FIP38-FIP37
NO USE
Input
OPEN
63*-66*
FIP36-FIP33
P22-P19
Output
FL DISPLAY DRIVER
67-70*
FIP32-FIP29
P18-P15
Output
FL DISPLAY DRIVER
(68*,69*)
P103-P100
DIST3-DIST0
Input
DISTINATION INPUT
71-78
FIP28-FIP21
P14-P7
Output
FL DISPLAY DRIVER
79
VLOAD
VLOAD
––
FL DRIVER (–) POWER SUPPLY.–30V
80-85
FIP20-FIP15
P6-P1
Output
FL DISPLAY SEGMENT
86-89
FIP14-FIP11
––
Input
OPEN
90-100
FIP30-FIP0
G11-G1
Output
FL DISPLAY SEGMENT DRIVER
IC701 RH-iX0337AWZZ: System Microcomputer (IX0337AW) (2/2)
Port Name
Terminal Name
Pin No.
Input/Output
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Function
1
IN2-
CH2 inverted input.
2
IN1A-
CH1 inverted input.
3
IN1B-
CH1 output offset control.
4
OUT1-
CH1 inverted output.
5
OUT1+
CH1 non-inverted output.
6
OUT2-
CH2 inverted output.
7
OUT2+
CH2 non-inverted output.
8-14
GND
GND
15
OUT3+
CH3 non-inverted output.
16
OUT3-
CH3 inverted output.
17
IN3-
CH3 inverted input.
18
VCC1
Power supply 1 (CH1, CH2, CH3)
19
STANDBY
STANDBY signal input.
20
VRFE
CH1-CH4 Reference voltage input.
21
MUTE
Mute signal input (CH6).
22
IN5-
CH5 inverted input.
23
IN5+
CH5 non-inverted input.
24
VCC2
Power supply 2 (CH4).
25
IN4-
CH4 inverted input.
26
OUT4-
CH4 inverted output.
27
OUT4+
CH4 non-inverted output.
28
VCC3
Power supply 3 (CH5).
29-35
GND
GND
36*
OUT5+
CH5 non-inverted output.
37*
OUT5-
CH5 inverted output.
38
OUT6+
CH6 non-inverted output.
39
OUT6-
CH6 inverted output.
40
VCC4
Power supply 4 (CH6).
41
IN6-
CH6 inverted input.
42
IN6+
CH6 non-inverted input.
IC3 VHiM63001FP-1: Focus/Tracking/Spin/Sled Driver (M63001FP)
Pin No.
Terminal
Name
Function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
27
26
25
24
23
22
IN2–
IN1A–
IN1B–
OUT1–
OUT1+
OUT2–
OUT2+
OUT3+
OUT3–
IN3–
VCC1
STANDBY
VTEF
MUTE
GND
GND
VCC3
OUT4+
OUT4–
IN4–
VCC2
IN5+
IN5–
IN6+
IN6–
VCC4
OUT6–
OUT6+
OUT5–
OUT5+
M63001FP
Figure 45 BLOCK DIAGRAM OF IC
In this unit, the terminal with asterisk mark (*) is (open)
terminal which is not connected to the outside.
terminal which is not connected to the outside.
CD-BA1200H
– 46 –
IC601 VHiLC75341/-1: Audio Processor (LC75341)
Figure 46 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
R1N
RTRE
LTRE
RBASS
ROUT
Yref
VDD
CL
DI
CE
YSS
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
CL
VDD
VREF
ROUT
RBASS
RTRB
RIN
RSEL0
R4
R3
R2
R1
– 47 –
CD-BA1200H
FL701 VVKSVA9MS13-1: FL Display
Figure 47 FL DISPLAY
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
P14
P15
P16
P17
P18
P19
P20
1G
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V
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4G
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5G
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6G
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7G
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8G
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9G
2G
3G
4G
5G
6G
7G
8G
9G
1G
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