Sharp SD-AT1000, Руководство по обслуживанию

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SD-AT1000
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IC701 RH-iX0558AWZZ: System Microcomputer (IX0558AW) (2/2)
Input/Output Port Name Pin No.
Function
Terminal Name
44 P54/FLD44 STEREO_LED Output Stereo indicator. "H" (OPEN): OFF "L": ON
45 P53/FLD43 COD_DO Input/Output Codec data output.
46 P52/FLD42 COD_DI Output Codec data input.
47 P51/FLD41 COD_CLK Output Codec clock output.
48 P50/FLD40 COD_CSN Output Codec chip select.
49 P47/FLD39 VOL_DA Output Data and latch output for electronic.
50 P46/FLD38 VOL_CL Output CLK output for electronic VOL IC control signal.
51 P45/FLD37 DIB Output Ext DIG IN ON/OFF control. H: DIG IN ON
52 P44/FLD36 NON_PCM Input Audio PCM monitoring input.
"L": AUDIO PCM "H": NON AUDIO PCM
53 P43/FLD35 AC_RLY Output Main trans ON/OFF control by relay.
54 P42/FLD34 SP_RLY Output Speaker output control by relay. H: RELAY ON
55 P41/FLD33 CONFIG Output Config setting output subwoofer.
"YES" (CONFIG1) WITH "H"
"NO" (CONFIG2) WITH "L"
56 P40/FLD32 BASS_SW Output Subwoofer amp gain control output.
"H": BASS OFF "L": BASS ON
57* P37/FLD31 NO USE Input Not used.
58-73 P36/FLD30-P07/FLD15 SEG16-SEG1 Output FL segment.
74-80 P06/FLD14-P00/FLD8 DIG15-DIG9 Output FL digit driver.
81-88 P27/FLD7-P20/FLD0 DIG8-DIG1 Output FL digit driver.
89 VEE VEE Input VLOAD -35 V.
90 PB6/SIN1 L_MUTE Output VCR out audio mute output. H: MUTE ON L: MUTE OFF
91 PB5/SOUT1 W_S_MUTE Output Subwoofer speaker S-MUTE output.
"H": MUTE ON "L": MUTE OFF
92 PB4/SCLK11 F_S_MUTE Output Front speaker S-MUTE output.
"H": MUTE ON "L": MUTE OFF
93 PB3/SSYB1 C_S_MUTE Output Center speaker S-MUTE output.
"H": MUTE ON "L": MUTE OFF
94 PB2/SBUSY1 S_S_MUTE Output Surround speaker S-MUTE output.
"H": MUTE ON "L": MUTE OFF
95 PB1/SRDY1 S_MUTE Output Audio mute output. H: MUTE ON
96 PB0/SCLK12/SVIN/DA TIMER_LED Output Timer stand-by LED. "H": ON "L": OFF
97 AVSS GND Input A/D analog GND.
98 VREF VREF Input A/D reference voltage 5 V.
99 PA7/AN7 AREA Input A/D input, destination setting input.
H: AUDTTION MODEL L: NORMAL
100 PA6/AN6 KEY1 Input A/D input, main set key.
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.