Read Sharp CD-C471H (serv.man13) Service Manual online
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CD-C471H
IC701 RH-iX0170AWZZ:System Microcomputer (IX0170AW) (2/2)
71
VLOAD
VLOAD
—
Negative power supply for FL drive To be connected to -30V
72-76
P105/FIP15-P101/FIP11
S04-S00
Output
FL display tube segment drive
77
P100/FIP10
G10
Output
FL display tube grid drive
78-80
P97/FIP9-P95/FIP7
G09-G07
Output
FL display tube grid drive
Terminal Name
Pin No.
Input/Output
Function
Port Name
IC601 VHiLC75396N-1:Audio Processor (LC75396N)
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16
LTIN
LF1C1
LF1C2
LF1C3
LF2C1
LF2C2
LF2C3
LF3C1
LF3C2
LF3C3
LF4C1
LF4C2
LF4C3
LF5
LTOUT
LFIN
RF1C1
RF1C2
RF1C3
RF2C1
RF2C2
RF2C3
RF3C1
RF3C2
RF3C3
RF4C1
RF4C2
RF4C3
RF5
RTOUT
RFIN
RFCOM
49
LSELO
50
LINVIN1
51
L5
52
L4
53
L3
54
L2
55
L1
56
VDD
57
R1
58
R2
59
R3
60
R4
61
R5
62
RINVIN1
63
RSELO
64
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
RTIN
LFCOM
LFOUT
CIN
LRCOM
COUT
LVref
VSS
CE
DI
CL
Vref
RVref
RROUT
RRCOM
RRIN
RFOUT
IC501 VHiLV1035M/-1: Dolby Pro Logic Decorder (LV1035M)
Figure 55-2 BLOCK DIAGRAM OF IC
1
2
3
4
5
6
7
8
9
10
11
12
L
R
S
R
L
L
R
S
C
S
L
R
S
13
14
15
16
48
L_BPF2
L_BPF1
RT_IN
LT_IN
DC_OUT
C_MODE
GND
NS_BPF1
NS_BPF2
OSC
CLK
DATA
ENABLE
DATA
CLK
VSS
R_BPF2
R_BPF1
BPF
RECT
RECT
S_DC_OUT
C_DC_OUT
R_DC_OUT
L_DC_OUT
VREF
VREF
CIRIM
SW6
A
B
B
A
A
B
A
B
A
B
SW5
SW7
B
20k
Ω
20k
Ω
A
SW7
B
B
B
B
A
B
A
S
C
D
A
A
A
B
A
B
SW7
SW7
SW4
SW2
SW2
A
B
A
B
A
B
SW7
SW7
23PIN
15PIN
SW7
SW7
SW7
SW4
SW3
13P IN
VCC
C_OUT
S_OUT
R_OUT
L_OUT
AC_GND
L_IN
R_IN
S_IN
OSC
OSC
VDD
A/D
NS
D/A
DC_OUT
DC_OUT
L_OUT
R_OUT
S_OUT
D_GND
IREF
DET
VCC
DIRAY_OUT
L_BPF3
DC_OUT3
R_RECT
DC_OUT4
L_RECT
VLR_TH
VLR_1
VLR_2
VCS_2
VCS_1
VCS_TH
L+R_RECT
DC_OUT2
L_R_RECT
DC_OUT1
R_BPF3
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
17
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
64
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
BPF
RECT
RECT
LR
LOGDIFF
LOGDIFF
VCS
OSC
VDD
DC-OUT
VOLMUTE
STRIM
B-NR
ADM
C-MODE
S-MODE
VCA
VCA
VCA
VCA
VCA
VCA
VCA
VCA
VOL
DEV
CH-CONT
NOISE-FIL
DATA-DEC
ADM-CONT
S-RAM
IN-FILTER
OUT-FILTER
NOISE-GEN
CH-CONT
VOL
L
R
L
R
PG
PG
Figure 55-1 BLOCK DIAGRAM OF IC
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