Sharp CD-C621H (serv.man12) Service Manual ▷ View online
– 47 –
CD-C621H
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/Slide Driver (M63001FP)
Pin No.
Terminal
Name
Function
IC562,563 VHiKiA4558P-1: Ope Amp. (KIA4558P)
IC601 VHiM62439SP-1: Audio Processor (M62439SP)
Figure 47 BLOCK DIAGRAM OF IC
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
1
2
3
4
8
7
6
5
OUT A
–IN A
+IN A
VEE
VCC
OUT E
–IN B
+IN B
–
+
A
+
–
B
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
REC OUT1
INA1
INB1
INC1
IND1
TONE1
TONEL1
OUT1
GND
Vcc
REC OUT2
INA2
INB2
INC2
IND2
TONE2
TONEL2
OUT2
Vss
CONT
CD-C621H
– 48 –
IC701 RH-iX0281AWZZ:System Microcomputer (IX0281AW) (1/2)
1
VDD
VDD
—
(+) POWER SUPPLY
2*
P37
ENA
Output
DOLBY PROLOGIC ENABLE TERMINAL
3
P36
DO
Input
DATA INPUT
4
P35
DI
Output
DATA OUTPUT
5
P34
CE
Output
CE OUTPUT
6
P33
CLK
Output
CLOCK OUTPUT
7,8*
P32, P31
LCK1, LCK2
Output
9
P30
RWC
Output
CD DSP READ WRITE CONTROL
10
RESET
RESET
Input
RESET
11
X2
X2
Output
MAIN CLOCK
12
X1
X1
Input
MAIN CLOCK
13
Vpp
VPP
—
POWER SUPPLY TERMINAL
14*
XT2
XT2
—
OPEN
15
P04
WRQ
Input
CD DSP WRITE REQUEST
16
VDD
VDD
—
(+) POWER SUPPLY
17
P27
PCCL
Output
CD DSP PCCL
18
P26
COIN
Outout
CD DSP COMAND
19
P25
SQOUT
Input
CD DSP CODE Q OUT
20
P24
CQCK
Output
CD DSP CLOCK
21
P23
DSP RES
Output
CD DSP RESET
22
P22
FRF (DRF)
Input
CD RF LEVEL DETECTION
23
P21
SLD+
Output
CD SLIDE MOTOR +
24
P20
SLD-
Output
CD SLIDE MOTOR -
25
AVss
AVSS
—
ANALOG GROUND
26
ANI7
SPEANA3
Input
SPEANA DATA INPUT 16 KHz
27
ANI6
SPEANA2
Input
SPEANA DATA INPUT 1 KHz
28
ANI5
SPEANA1
Input
SPEANA DATA INPUT 63 Hz
29
ANI4
TUN SM
Input
TUNER SIGNAL METER INPUT
30
ANI3
T2 RUN
Input
TAPE2 RUN PULSE INPUT
31-33
ANI2-ANI0
KEYIN3-KEYIN1
Input
KEY INPUT
34
AVDD
AVDD
—
ANALOG VDD
35
AVREF
AVREF
—
ANALOG REF VOLTAGE
36
P03
PUIN SW
Input
CD PUIN SWITCH
37
P02
O/C SW
Input
CD OPEN/CLOSE SWITCH
38
INTP1
SYS STOP
Input
SYSTEM STOP INPUT
39
INTP0
REMOCON
Input
REMOCON INPUT
40
Vss
VSS
—
GROUND VOLTAGE
41
P74
DNO SW
Input
CD DISC NO. SWITCH
42
P73
U/D SW
Input
CD UP/DOWN SWITCH
43
P72
TIMER LED
Output
TIMER LED CONTROL
44
P71
T_SOL
Output
TAPE SOLENOID CONTROL
45
P70
T_MOT
Output
TAPE MOTOR CONTROL
46
VDD
VDD
—
(+) POWER SUPPLY
47
P127
CAM SW
Input
TAPE CAM SWITCH
48
P126
TIFAS
Input
TAPE1 FULL AUTOSTOP PULSE INPUT
49
P125
FPA
Input
TAPE2 A-SIDE FULL PROOF
50
P124
H/P
Input
HEADPHONE INPUT
51
P123
AC RLY_CONT
Output
AC RELAY CONTROL
52
P122
REC/PLAY
Output
TAPE REC/PLAY CHANGE
53
P121
T_BIAS
Output
TAPE Record bias control
54
P120
T_T1T2
Output
TAPE T1/T2 CHANGE
55
P117
DISTO
Input
DISTINATION INPUT
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
– 49 –
CD-C621H
IC701 RH-iX0281AWZZ:System Microcomputer (IX0281AW) (2/2)
56
P116
KEY JOG A
Input
KEY JOG INPUT A
57
P115
KEY JOG B
Input
KEY JOG INPUT B
58
P114
S MUTE
Output
SYSTEM MUTE
59*
P113
C MUTE
Output
CENTER MUTE
60*
P112
SR MUTE
Output
SURROUND MUTE
61
P111
HI-CUT
Output
HI-CUT OUTPUT
62*
P110
POWER
Output
POWER OUTPUT
63
P107
SPRLY
Output
SPEAKER OUTPUT RELAY CONTROL
64
P106
SP_DET
Input
SPEAKER OUTPUT DETECTION
65
P105
SPN_P
Input
TUNER SPAN CHANGE
66*
P104
DISTOUT
Output
DISTINATION OUTPUT
67
P103/FIP32
DIAS4/P22
Input/Output
FL DISPLAY SEGMENT DRIVER
DISTINATION INPUT
DISTINATION INPUT
68
P102/FIP31
DIAS3/P21
Input/Output
FL DISPLAY SEGMENT DRIVER
DISTINATION INPUT
DISTINATION INPUT
69
P101/FIP30
DIAS2/P20/P15
Input/Output
FL DISPLAY SEGMENT DRIVER
DISTINATION INPUT
DISTINATION INPUT
70
P100/FIP29
DIAS1/P19/P16
Input/Output
FL DISPLAY SEGMENT DRIVER
DISTINATION INPUT
DISTINATION INPUT
71-78
FIP28-FIP21
P18/P13-P11/P7
Output
FL DISPLAY SEGMENT DRIVER
79
VLOAD
VLOAD
—
FL DRIVER (–) POWER SUPP, –30V
80-100
FIP20-FIP0
P10/P6-G1/9G
Output
FL DISPLAY SEGMENT DRIVER
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
– 49 –
CD-C621H
IC701 RH-iX0281AWZZ:System Microcomputer (IX0281AW) (2/2)
56
P116
KEY JOG A
Input
KEY JOG INPUT A
57
P115
KEY JOG B
Input
KEY JOG INPUT B
58
P114
S MUTE
Output
SYSTEM MUTE
59*
P113
C MUTE
Output
CENTER MUTE
60*
P112
SR MUTE
Output
SURROUND MUTE
61
P111
HI-CUT
Output
HI-CUT OUTPUT
62*
P110
POWER
Output
POWER OUTPUT
63
P107
SPRLY
Output
SPEAKER OUTPUT RELAY CONTROL
64
P106
SP_DET
Input
SPEAKER OUTPUT DETECTION
65
P105
SPN_P
Input
TUNER SPAN CHANGE
66*
P104
DISTOUT
Output
DISTINATION OUTPUT
67
P103/FIP32
DIAS4/P22
Input/Output
FL DISPLAY SEGMENT DRIVER
DISTINATION INPUT
DISTINATION INPUT
68
P102/FIP31
DIAS3/P21
Input/Output
FL DISPLAY SEGMENT DRIVER
DISTINATION INPUT
DISTINATION INPUT
69
P101/FIP30
DIAS2/P20/P15
Input/Output
FL DISPLAY SEGMENT DRIVER
DISTINATION INPUT
DISTINATION INPUT
70
P100/FIP29
DIAS1/P19/P16
Input/Output
FL DISPLAY SEGMENT DRIVER
DISTINATION INPUT
DISTINATION INPUT
71-78
FIP28-FIP21
P18/P13-P11/P7
Output
FL DISPLAY SEGMENT DRIVER
79
VLOAD
VLOAD
—
FL DRIVER (–) POWER SUPP, –30V
80-100
FIP20-FIP0
P10/P6-G1/9G
Output
FL DISPLAY SEGMENT DRIVER
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
Display
