DK-KP80PH (serv.man2) - Sharp Audio Service Manual (repair manual). Page 15

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DK-KP80PH
5 – 3
57
LEVEL_DET
Input (A / D)
CMOS 
Input / Output
ANALOGUE AUDIO LEVEL INPUT ANALOGUE / DIGITAL 
DETECTION
P0_5 / AN2 / CLK1
58
AREA
Input (A / D)
CMOS 
Input / Output
DESTINATION SETTING ANALOGUE / DIGITAL INPUT
P0_6 / AN1 / DA0
59
VSS
-
-
GROUND
VSS / AVSS
60
SYS_PROTECT
Input (A / D)
CMOS 
Input / Output
SUPPLY ABNORMAL ANALOGUE / DIGITAL DETECTION
P0_7 / AN0 / DA1
61
VREF
-
-
ANALOGUE / DIGITAL CONVERTER REFERENCE 
VOLTAGE SUPPLY
VREF
62
VCC
-
-
3.3V SUPPLY
VCC / AVCC
63
TUN_RST
Output
CMOS 
Input / Output
TUNER RESET CONTROL
P3_7 / SSO
64
TUN_SCL / DAP_SCL / 
CODEC_SCL
Output
CMOS 
Input / Output
TUNER / DAP / CODEC CLOCK 12C BUS LINE
P3_5 / SCL / SSCK
Pin
No.
NAME
Input/
Output
Type
Description
Figure 5-1 Block Diagram of IC
TUN_
RS
T
VC
C
VR
EF
SYS_PR
OT
EC
T
VSS
ARE
A
LE
V
E
L_
DE
T
A
C
-R
EL
A
Y
ST
B
Y
_L
ED
FL_
C
S
FL_
R
E
S
E
T
K
EY_2
K
EY_1
POW
ER
_K
EY
FW
_U
PD
_PR
O
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
P
3_5 / S
C
L / 
SSC
K
P
3_7 / S
S
O
VC
C
 / AVC
C
VR
EF
P0
_7
 / AN
0 /
 
DA
1
VSS /
 AVSS
P
0_6 / A
N
1 / 
DA
0
P0
_5
 / AN
2 /
 
CLK
1
P6
_1
P6
_2
P
0_4 / A
N
3
P
0_3 / A
N
4
P
0_2 / A
N
5
P
0_1 / A
N
6
P
0_0 / A
N
7
P
1_5 / RX
D0 / 
(TR
A
IO
) / 
(INT
1)
H/P-SW
P3_3/SSI
P2_1 / TRDIOB0 48
FW_UPD_STA
TUN_SDA/DAP_SDA/CODEC_SDA
P3_4/SDA/SCS
P8_0 / TRFO00 47
USB_IN
MODE
MODE
P1_3 / KI3 / AN11 46
ERR_CODEC
XCIN
P4_3/XCIN
P3_2 / (INT2) 45
ANA_INA
XCOUT
P4_4/XCOUT
P3_6 / (INT1) 44
CD_DSEL_S (OPTION)
RESET
RESET
P3_0 / TRA0 43
CD_DSEL_OE (OPTION)
XOUT
P4_7/XOUT
P3_1 / TRB0 42
CD_RST
VSS
VSS/AVSS
P6_3 / TXD2 41
CD_SI
XIN
P4_6/XIN
P6_4 / RXD2 40
CD_SO
VCC
10 VCC/AVCC
P6_5 / (CLK1) / CLK2 39
CD_SCLK
RESET_AUDPRO
11 P5_4/TRCIOD
P6_7 / INT3 / RXD1 38
NC
MUTE_CODEC
12 P5_2/TRCIOB
P6_6 / INT2 / TXD1 37
CD-SREQ
RESET_CODEC
13 P5_3/TRCIOC
P4_5 / INT0 36
SYS_STOP
STBY_CODEC
14 P5_1/TRCIOA/T
RCTRG
P6_0 / TREO 35
CD_MREQ
AMP_PWRDN
15 P2_7/TRDIOD1
P1_2 / KI2 / AN10 34
LIMIT
AMP_ERR
16 P5_0/TRCCLK
P8_1 / TRFO01 33
MO_SPEED
P
2_6/T
R
D
IO
C
1
P
2_5/T
R
D
IO
B
1
P
2_4/T
R
D
IO
A
1
P
2_2/T
R
D
IO
C
0
P
1_1/K
I1/A
N
9
P
1_0/K
I0/A
N
8
P
1_7 / T
R
A
IO
 / 
INT
1
P
1_6 / CLK
0
P
2_3 / 
TR
D
IO
D
0
P
1_4 / T
X
D0
P8
_6
P
8_5 / T
R
FO
12
P
8_4 / T
R
FO
11
P
8_3 / T
R
FO
10 
/ T
R
FI
P
8_2 / T
R
FO
02
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
A
M
P_I
N
T
iP
od_
D
E
T
FAULT
A_
DS
E
L_
S
US
B-
E
N
iP
od_
E
N
HP
_M
UTE
RX
_I
N
FL_
S
CK
A_
DS
E
L_
O
E
FL
_SD
A
TA
TRAY
_M
O
T-
TRAY
_M
O
T+
C
L_SW
2
C
L_SW
1
A_
MUTE
P
2_0 / T
R
DIO
A
0 / 
TRDCLK
TU
N
_SC
L /
 D
A
P_
SC
L /
 C
O
D
E
C
_SC
L
IXA316AW00
IC600  RH-IXA316AW00 : Micro Computer IXA316AW00  (3/3)
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