Pioneer PDP-5000EX, Руководство по обслуживанию

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PDP-5000EX
193
5 6 7 8
5 6
7
8
C
D
F
A
B
E
Pin Function
MB91305PMC-G-BND (FHD MAIN ASSY: IC5002)
• Main Microcomputer
No. Mark Pin Name I/O Pin Function Active
1 VCEE
−
Power supply (+3.3 V)
2 VSS
−
GND
3 VCCI
−
Power supply (+1.8 V)
4 D24 DQ8 External data bus
5 D25 DQ9 External data bus
6 D26 DQ10 External data bus
7 D27 DQ11 External data bus
8 D28 DQ12 External data bus
9 D29 DQ13 External data bus
10 D30 DQ14 External data bus
11 D31 DQ15 External data bus
12 VCEE
−
Power supply (+3.3 V)
13 VSS
−
GND
14 VCCI
−
Power supply (+1.8 V)
15 RDX OE O External bus read strobe output
16 WR0X/DQMUU WE O External bus write strobe output
17 WR1X/DQMUL/P30 FAN_CONT O TP: FAN power SW (ON/OFF) H
18 CS0X/P31 CE External bus chip enable
19 CS1X/P32 CE_IF O 3-wires serial communication with the UIF microcomputer, enable old IF_CE L
20 CS4X/P33 SP_MUTE O Small signal system MUTE No DELAY time H
21 CS5X/P34
A_AMP_MUTE
O Mute for POWER AMP ON: no DELAY, OFF: Delay of about 400 msec H
22 CS6X/P35 PSW_DVI O Power SW for DVI H
23 CS7X/P36 NC O
−
24 RDY/P37 BUSY_IC3 I 3-wires serial communication with the Carrera, busy old IC3_BUSY H
25 BGRNTX/P40 BUSY_IF I 3-wires serial communication with the UIF microcomputer, busy old IF_BUSY H
26 BRQ/P41 WE_IC3 O UART path SW for Carrera L
27 SYSCLK/P42 WATCH_DOG O Pin for examination with TP
−
28 MCLKE/P43 PSW1 O Power SW1 (DCDC converter output mute) L
29 MCLK/P44 SD_DET O Pin for examination with TP
−
30
ASX/LBAX/SRASX/P45 RST_DVI
O DVI RST(When the function is STB, DVI exists.) H
31 BAAX/SCASX/P46 WE_ROM O EDID_ROM write protect for PC/HDMI H
32 WRX/SWRX/P47 CE_IC3 O 3-wires serial communication with the Carrera, enable old IC3_CE L
33 VCEE
−
Power supply (+3.3 V)
34 VSS
−
GND
35 VCCI
−
Power supply (+1.8 V)
36 A00 NC N.C. setting
37 A01 A0 External address bus
38 A02 A1 External address bus
39 A03 A2 External address bus
40 A04 A3 External address bus
41 A05 A4 External address bus
42 A06 A5 External address bus
43 A07 A6 External address bus
44 A08 A7 External address bus
45 A09 A8 External address bus