Pioneer PDA-5002, Service Manual

Page: 145 / 183

PDP-503CMX, PDP-503MXE, PDA-5002
145
No. Pin Name Function
51 FR_SEL Output free running in the video signal no input
52 RGB_SEL Input switch of INPUT1 (Dsub15) / INPUT2 (BNC)
53 POWER POWER ON/OFF output
54 BUSY Busy input from the microcomputer
55 BUSY30 Busy input from IC30
56 IN3DET INPUT3 input detection
57 IN4DET INPUT4 input detection
58 ACL_SW Switch the peak ACL function
59 NC Non connection
60 PNL_MUTE Panel drive stop
61
NC
Non connection
62 VCC 5V standby power
63 I_DET I/P distinction signal (extra)
64 VSS GND
65 NC Non connection
66 DIN_SEL Digital input switch trigger (IC102 side)
67 SDIN_SEL Digital input switch trigger (DVI input side)
68 FWE Enable for flash writing of the wide microcomputer
69 MD2 Mode setting for flash writing of the wide microcomputer
70 RST_WU Reset the wide microcomputer
71 WE_WU Flash writing permission output for wide microcomputer
72 WE_MD Flash writing permission output for module
73 NC Non connection
74 REQ_WU Communication request from the wide microcomputer
75 RST2 Reset detection of wide microcomputer system 3.3V power supply
76 EXT_INT Input signal switch
77 A_MUTE1 Audio mute 1
78 A_MUTE2 Audio mute 2
79 H_POL H.SYNC polarity distinction
80 V_POL V.SYNC polarity distinction
81 (E)SCL I2C-BUS clock of E2PROM exclusive use
82 (E)SDA I2C-BUS data of E2PROM exclusive use
83 EEPRST E2PROM reset
84 FIX_VAR AUDIO output signal switch (fixing, variable)
85 SYNC_ST Presence distinction input of SYNC
86 NC
87 NC
Non connection
88 SIGRST Trigger for synchronous processing time shortening
89 NC Non connection
90 PLD_CE Enable for SYNC control PLD
91 NC
92 NC
Non connection
93 SLOT_ST A/D input for model distinction
94 TEMP3 A/D input for temperature sensor 3
95 TEMP2 A/D input for temperature sensor 2
96 AVSS GND for AD conversion (GND connection)
97 PM_ST Pull-up
98 VREF AD conversion reference voltage
99 AVCC Power supply for AD conversion
100 RXD Serial 3 line data input