Service manual

HT-DP2500W
– 25 –
IC1 RH-iX0001SJZZ: System Microcomputer (IX0001SJ) (2/2)
48* P66/DGT16 SW_RLAY Output Woofer speaker protective relay control, output
"H" = RLAY CLOSE, "L" = RLAY OPEN
49 P65/DGT15 SPSWA Input Headphone plug insertion detection, input, and 'A' speakers' switch input
50* P64/DGT14 SPSWB Input 'B' speakers' switch input
51 P63/DGT13 PROTECT Input power amplifier protect mode, input
52 P62/DGT12 FAN Output Air-cooling fan control, output "L" = OFF, "H" = ON
53 P61/DGT11 LED1 Output Timer stand-by ON LED control, output
"L" = Timer OFF, "H" = Timer ON
54 P60/DGT9 1G Output VFD grid output
55 P41/DGT8 2G Output VFD grid output
56 P40/SEG0/DGT7 3G Output VFD grid output
57-63 P77/SEG1/DGT6- 4G-10G Output VFD grid output
P71/SEG7/DGT0
64 P70/SEG8 P1 Output VFD anode output
65-72 P87/SEG8- P2-P9 Output VFD anode output
P80/SEG15
73-79 P97/SEG16 P10-P16 Output VFD anode output
P91/SEG22
80* P90/SEG23 N.C — Not used
81*-83* PC2/SEG24- N.C — Not used
PC0/SEG26
84* PB7/SEG27 DAPD Output D/A convertor ON/OFF control, output "L" = STANDBY, "H" = ON
85* PB6/SEG28 ADPD Output A/D convertor ON/OFF control, output "L" = STANDBY, "H" = ON
86* PB5/SEG29 AC3_RES Output ZR38600 reset, output
87* PB4/SEG30 AC3_SS Output ZR38600 slave, output
88* PB3/SEG31 AC3_SI Output ZR38600 serial data, output
89* PB2/SEG32 D_SEL Output Digital function input select terminal "L" = Digital 2, "H" = Digital 1
90* PB1/SEG33 AC3_SCK Output Synchronous clock output to the ZR38600
91* PB0/SEG34 SW_ON Output Sub woofer ON/OFF, output
92 PD7/SEG35 PRO_ENA Output Pro Logic IC enable, output "L" = OFF, "H" = ON
93 PD6/SEG36 PRO_DI Output Data output to the Pro Logic IC
94 PD5/SEG37 PRO_CK Output Synchronous clock output to the Pro Logic IC
95*,96* PD4/SEG38, V_SW1, Output Video input/output select switch control signal
PD3/SEG39 V_SW2
97 PD2/SEG40 V_MUTE Output Video output mute signal
98*,99* PD1/SEG41, DEM0,DEM1 Output D/A convertor de-emphasas filter control, output
100 VPP VPP — Not used
Pin No. Port Name Function
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Terminal
Name
Input/
Output