Sharp ER-A770 Service Manual Page 66
- Page / 89
- Table of contents
- BOOKMARKS
- SERVICE MANUAL 1
- CHAPTER 1. SPECIFICATION 2
- 3. Display 4
- CHAPTER 2. OPTIONS 5
- ER-A770 bus connector 7
- CHAPTER 3. SERVICE PRECAUTION 8
- IPL from IR 10
- Connected 115200 10
- 21 22 23 24 25 26 27 28 10
- SENDING 00000 11
- 4. Note for handling of LCD 12
- 6. Others 12
- SRV. reset 13
- MRS-1 Key 14
- Symbol/PartsCod) 15
- MRS-3 Key 16
- ENTER PASSWORD 16
- 1. General 17
- 2. System configuration 17
- 3. Diagnostics 17
- 3-2. RAM Diagnostics 18
- UP-P02MB2 Check 19
- Error Address xxxxxxH 19
- Write Data xxxxH 19
- Read Data xxxxH 19
- 3-5. RS232 I/F Diagnostics 20
- RS232 CH1 Check 21
- ER-DR : ERROR!! 21
- Rear Display Check 23
- • Satellite machine setting 24
- • Master machine setting 25
- Magnetic Card Reader Check 26
- TRACK1:BUFFER EMPTY 26
- TRACK1:MCR ERROR 26
- TRACK2:BUFFER EMPTY 26
- TRACK2:MCR ERROR 26
- 1. Hardware block diagram 27
- 2) Block diagram 29
- 3) Pin description 30
- 2-2. G.A.(MPCA8) 31
- 2-3. OPC2 35
- 1) Features 38
- 2) Pin configuration 38
- 3) General description 39
- 4) Pin description 39
- 2) General description 39
- 3) Pin configuration 40
- 4) Functional description 40
- 5) Pin description 40
- DMA CONTROLLER 41
- 1) FEATURES 41
- 2-7. MB62H149 42
- 1) Pin Configuration 44
- 2-9. CKDC9 (HD404728B02FS) 46
- (MAX4MB) 48
- 4. LCD display 49
- 5. Customer display 49
- 6. Pseudo SRAM (Standard) 50
- 7. NOR-type flash memory 50
- 8. SSP control 50
- 9. Interrupt control 50
- 10. WAIT control 51
- 11. CKDC9 51
- 12. Option RAM interface 51
- 13. Reset sequence 52
- 14. Drawer 52
- 16. RS232 53
- CHAPTER 8. CIRCUIT DIAGRAM 54
- FLASH ROM 56
- ODD SIDE 57
- EVEN SIDE 57
- +24V/+5V POWER CIRCUIT 65
- DC-DC CNV CIRCUIT 66
- CONNECTOR 67
- 2. CKDC PWB 68
- 3. INVERTOR PWB 70
- 4. N/F PWB 71
- 2. Main PWB (Side-B) 73
- 3. Mother PWB 74
- 4. CKDC PWB 74
- 5. Inverter PWB 75
- 6. Noise filter PWB 75
- PARTS GUIDE 76
- 1 Top cabinet etc 77
- 2 Bottom cabinet etc 79
- 4 Main PWB unit 81
- 5 Mother PWB unit 84
- 6 CKDC PWB unit 84
- 7 NF PWB unit 85
- 8 Inverter PWB unit 85
- 9 Service tools 85
- 10 Supply 85
- PARTS CODE NO 86
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