Sharp HT-DP2500W Service Manual page 30

IC1 RH-iX0001SJZZ: System Microcomputer (IX0001SJ) (2/2)
Pin No. Port Name
48* P66/DGT16 SW_RLAY
49 P65/DGT15 SPSWA
50* P64/DGT14 SPSWB
51 P63/DGT13 PROTECT
52 P62/DGT12 FAN
53 P61/DGT11 LED1
54 P60/DGT9 1G
55 P41/DGT8 2G
56 P40/SEG0/DGT7 3G
57-63 P77/SEG1/DGT6- 4G-10G
P71/SEG7/DGT0
64 P70/SEG8 P1
65-72 P87/SEG8- P2-P9
P80/SEG15
73-79 P97/SEG16 P10-P16
P91/SEG22
80* P90/SEG23 N.C
81*-83* PC2/SEG24- N.C
PC0/SEG26
84* PB7/SEG27 DAPD
85* PB6/SEG28 ADPD
86* PB5/SEG29 AC3_RES
87* PB4/SEG30 AC3_SS
88* PB3/SEG31 AC3_SI
89* PB2/SEG32 D_SEL
90* PB1/SEG33 AC3_SCK
91* PB0/SEG34 SW_ON
92 PD7/SEG35 PRO_ENA
93 PD6/SEG36 PRO_DI
94 PD5/SEG37 PRO_CK
95*,96* PD4/SEG38, V_SW1,
PD3/SEG39 V_SW2
97 PD2/SEG40 V_MUTE
98*,99* PD1/SEG41, DEM0,DEM1
100 VPP VPP
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
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Input/
Terminal
Output
Name
Output Woofer speaker protective relay control, output
"H" = RLAY CLOSE, "L" = RLAY OPEN
Input Headphone plug insertion detection, input, and 'A' speakers' switch input
Input 'B' speakers' switch input
Input power amplifier protect mode, input
Output Air-cooling fan control, output
Output Timer stand-by ON LED control, output
"L" = Timer OFF, "H" = Timer ON
Output VFD grid output
Output VFD grid output
Output VFD grid output
Output VFD grid output
Output VFD anode output
Output VFD anode output
Output VFD anode output
— Not used
— Not used
Output D/A convertor ON/OFF control, output
Output A/D convertor ON/OFF control, output
Output ZR38600 reset, output
Output ZR38600 slave, output
Output ZR38600 serial data, output
Output Digital function input select terminal "L" = Digital 2, "H" = Digital 1
Output Synchronous clock output to the ZR38600
Output Sub woofer ON/OFF, output
Output Pro Logic IC enable, output "L" = OFF, "H" = ON
Output Data output to the Pro Logic IC
Output Synchronous clock output to the Pro Logic IC
Output Video input/output select switch control signal
Output Video output mute signal
Output D/A convertor de-emphasas filter control, output
— Not used
Function
"L" = OFF, "H" = ON
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HT-DP2500W
"L" = STANDBY, "H" = ON
"L" = STANDBY, "H" = ON