Sharp HT-DD5000W Service Manual page 41

HT-DD5000W
IC1 RH-iX0004SJZZ: System Microcomputer (IX0004SJ) (2/2)
Pin No. Port Name
48 P66/DGT16
49 P65/DGT15
50 P64/DGT14
51 P63/DGT13
52 P62/DGT12
53 P61/DGT11
54 P60/DGT9
55 P41/DGT8
56 P40/SEG0/DGT7
57-63 P77/SEG1/DGT6-
P71/SEG7/DGT0
64 P70/SEG8
65-72 P87/SEG8-
P80/SEG15
73-79 P97/SEG16
P91/SEG22
80* P90/SEG23
81*-83* PC2/SEG24-
PC0/SEG26
84* PB7/SEG27
85 PB6/SEG28
86 PB5/SEG29
87 PB4/SEG30
8 PB3/SEG31
89 PB2/SEG32
90 PB1/SEG33
91 PB0/SEG34
92* PD7/SEG35
93* PD6/SEG36
94* PD5/SEG37
95,96 PD4/SEG38,
PD3/SEG39
97 PD2/SEG40
98,99 PD1/SEG41,
100 VPP
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Input/
Terminal
Output
Name
SW_RLAY Output Woofer speaker protective relay control, output
"H" = RLAY CLOSE, "L" = RLAY OPEN
SPSWA Input Headphone plug insertion detection, input, and 'A' speakers' switch input
SPSWB Input 'B' speakers' switch input
PROTECT Input power amplifier protect mode, input
FAN Output Air-cooling fan control, output
LED1 Output Timer stand-by ON LED control, output
"L" = Timer OFF, "H" = Timer ON
G1 Output VFD grid output
G2 Output VFD grid output
G3 Output VFD grid output
G4-G10 Output VFD grid output
S1 Output VFD anode output
S2-S9 Output VFD anode output
S10-S16 Output VFD anode output
N.C — Not used
N.C — Not used
DAPD Output D/A convertor ON/OFF control, output
AAPD Output A/D convertor ON/OFF control, output
AC3_RES Output ZR38600 reset, output
AC3_SS Output ZR38600 slave, output
AC3_SI Output ZR38600 serial data, output
D_SEL Output Digital function input select terminal "L" = Digital 2, "H" = Digital 1
AC3_SCK Output Synchronous clock output to the ZR38600
SW_ON Output Sub woofer ON/OFF, output
PRO_ENA Output Pro Logic IC enable, output "L" = OFF, "H" = ON
PRO_DI Output Data output to the Pro Logic IC
PRO_CK Output Synchronous clock output to the Pro Logic IC
V_SW1, Output Video input/output select switch control signal
V_SW2
V_MUTE Output Video output mute signal
DEM0,DEM1 Output D/A convertor de-emphasas filter control, output
VPP — Not used
Function
"L" = OFF, "H" = ON
– 40 –
"L" = STANDBY, "H" = ON
"L" = STANDBY, "H" = ON