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Part 4: Troubleshooting
4-9
2. PORT FUNCTIONS
2.1 System control & I/O port table (IC801)
1
PA23/WRHH
USB RESET
USB Reset Signal
Active L
O
2
PE14/TIOC4C/DACK0/AH
IC RESET
Power on/off control except FAN and LAMP
Active L
O
3
PA22/WRHL
4
PA21/CASHH
RS232C_SW
RS232C Output switch signal
O
5
PE15/TIOC4D/DACK1/IRQOUT
POWER SW
L: Power OFF H: Power ON
O
6
VSS
GND
7
PC0/A0
ADDRESS0
Address Bus 0
O
8
PC1/A1
ADDRESS1
Address Bus 1
O
9
PC2/A2
ADDRESS2
Address Bus 2
O
10
PC3/A3
ADDRESS3
Address Bus 3
O
11
PC4/A4
ADDRESS4
Address Bus 4
O
12
VCC
5V
13
PC5/A5
ADDRESS5
Address Bus 5
O
14
VSS
GND
15
PC6/A6
ADDRESS6
Address Bus 6
O
16
PC7/A7
ADDRESS7
Address Bus 7
O
17
PC8/A8
ADDRESS8
Address Bus 8
O
18
PC9/A9
ADDRESS9
Address Bus 9
O
19
PC10/A10
ADDRESS10
Address Bus 10
O
20
PC11/A11
ADDRESS11
Address Bus 11
O
21
PC12/A12
ADDRESS12
Address Bus 12
O
22
PC13/A13
ADDRESS13
Address Bus 13
O
23
PC14/A14
ADDRESS14
Address Bus 14
O
24
PC15/A15
ADDRESS15
Address Bus 15
O
25
PB0/A16
ADDRESS16
Address Bus 16
O
26
VCC
5V
27
PB1/A17
ADDRESS17
Address Bus 17
O
28
VSS
GND
29
PA20/CASHL
SCL 1
IIC Bus 1 Clock
I/O
30
PA19/BACK/DRAK1
SDA 1
IIC Bus 1 Data
I/O
31
PB2/IRQ0/POE0/RAS
32
PB3/IRQ1/POE1/CASL
33
PA18/BREQ/DRAK0
SYS SW
Peripheral IC Power SW (ON=L, OFF=H)
O
34
PB4/IRQ2/POE2/CASH
AFT-V
Vertical Sync. Signal for Panel Drive
Active L
I
35
VSS
GND
36
PB5/IRQ3/POE3/RDWR
DE_DIF
Detect DVI Effective
I
37
PB6/IRQ4/A18/BACK
ADDRESS18
Address Bus 18
O
38
PB7/IRQ5/A19/BREQ
ADDRESS19
Address Bus 19
O
39
PB8/IRQ6/A20/WAIT
ADDRESS20
Address Bus 20
O
40
VCC
5V
41
PB9/IRQ7/A21/ADTRG
ADDRESS21
Address Bus 21
O
42
VSS
GND
43
PA14/RD
READ
Read signal
Active L
O
44
WDTOVF
SEREKUTO
Over flow output from Watch dog timer
O
45
PD31/D31/ADTRG
RTS
RS232C RTS (Request To Send)
I
46
PD30/D30/IRQOUT
CTS
RS232C CTS (Clear To Send)
O
47
PA13/WRH
48
PA12/WRL
WRL
Write signal (Lower 8 bit)
Active L
O
49
PA11/CS1
ET7050SELECT
Select SW for Color Correct. ET7050
O
50
PA10/CS0
CS0
Flash Memory Chip Select
Active L
O
51
PA9/TCLKD/IRQ3
SCL 2
IIC Bus 2 Clock
I/O
52
PA8/TCLKC/IRQ2
SDA 2
IIC Bus 2 Data
I/O
53
PA7/TCLKB/CS3
CS3
USB/IO EXP Chip Select
Active L
O
54
PA6/TCLKA/CS2
CS2
SRAM/CXD3511Q Chip Select
Active L
O
55
VSS
GND
56
PD29/D29/CS3
CPU_I/NI ID
Detection Interless/Non-Interless
O
57
PD28/D28/CS2
PW_SEL
PW365 RS232C Select
O
58
PD27/D27/DACK1
PW_INTR
PW_365 Dividing signal
O
59
PD26/D26/DACK0
PW_OUT1
PW_365 Data output
(reserve)
O
60
PD25/D25/DREQ1
PW_OUT0
PW_365 Data output
(reserve)
O
61
VSS
GND
62
PD24/D24/DREQ0
DAC_CS
Select signal for DAC M62358
O
63
VCC
5V
64
PD23/D23/IRQ7
DVI_PC
DVI = L
O
65
PD22/D22/IRQ6
DVI_OUT
DVI = L
O
66
PD21/D21/IRQ5
CG_HD
CG = L
O
67
PD20/D20/IRQ4
68
PD19/D19/IRQ3
69
PD18/D18/IRQ2
PW_IN1
PW365 Data input (reserve)
I
Pin No.
Name
Signal name
Function
Operation
Polarity
Содержание D78-5232
Страница 2: ...CANON Power Projector LV 7545E D78 5231 SERVICE SMANUAL ...
Страница 9: ......
Страница 10: ...Part 1 General Information ...
Страница 23: ...7 SUPPORTED COMPUTER SYSTEM MODE See the attached sheet Owner s Manual page 26 Part 1 General Information 1 13 ...
Страница 24: ......
Страница 25: ...Part 2 Repair Information ...
Страница 46: ...Part 3 Adjustment ...
Страница 69: ...Part 4 Troubleshooting ...
Страница 86: ...Part 4 Troubleshooting 4 17 BH3540 Volume Control IC1652 CXA2101AQ RGB Matrix IC4101 ...
Страница 87: ...Part 4 Troubleshooting 4 18 FA5332M P F Controller IC601 FA7612CA PWC Controller IC6602 IC6603 IC6616 ...
Страница 90: ...Part 4 Troubleshooting 4 21 LB1645 Motor Drive IC1601 LC863316 SUB CPU IC1851 ...
Страница 91: ...Part 4 Troubleshooting 4 22 ML60851 USB I F IC9801 M62393 D A IC212 IC2381 ...
Страница 92: ...Part 4 Troubleshooting 4 23 M62399 D A IC3501 IC3551 PW365 System Control Scan Converter IC301 ...
Страница 93: ...Part 4 Troubleshooting 4 24 SII161ACT DVI I F IC8001 STR Z2156 Power Switching IC651 ...
Страница 94: ...Part 4 Troubleshooting 4 25 TA1287 RGB YUV Converter IC4551 TB1274AF Video Decoder IC1101 ...
Страница 95: ...Part 4 Troubleshooting 4 26 TDA7056 Audio Output IC1631 IC1632 ...
Страница 96: ...Part 5 Parts Catalog ...
Страница 97: ......
Страница 101: ...62 54 63 53 62 58 61 64 56 59 70 71 52 55 65 Page 2 CANON LV 7545J REF No D78 5231 LV 7545U D78 5232 LV 7545E D78 5233 ...
Страница 105: ...Page 4 CANON LV 7545J REF No D78 5231 LV 7545U D78 5232 LV 7545E D78 5233 23 a 23 b 23 51 b 51 a 51 43 43 2 ...
Страница 113: ...Part 6 Electrical Diagrams ...
Страница 130: ......