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PRODUCT DESCRIPTION HEV.A TABU 1-3-3. SPFG BOARD COMPONENT DESCRIPTION MODEL Q'ty FUNcnON FDC GAATSP GAATFD SERIAL CONTROLLER uPD765A E01093BA E01094BA 16450 1 1 Q 1 Controls FDD's. Parallel port and address decoder for serial port. Controls 360KB and 1.2MB diskette drives. Includes FDOR (Floppy digital output register), FCR (Floppy control register) and write precornpensation circuit. Controls serial data transfer. FIGURE 1-3-3. SPFG BOARD 1-10
REV.A PRODUCT DESCRIPTION TABLE 1-3-4. ATRPS UNIT OU1PUTS WMINAL LOAD CURREBT LOAD CURREBT REGULATION OVERLOAD OU1PUT [VDC] MIN. [A] HAX. [A] TOLERANCE PROTECTION [A] +5 2.5 20 +- 4% 35 -5 0 0.3 * +-10% 3 +12 0 4.8 (7.0) +- 5% 16 -12 0 0.3 +-10% 3 * 10 sec. FIGURE 1-3-4. ATRP S UNIT FIGURE 1-3-5. WHDC BOARD 1-11
Page 1 and 2: EPSON pe AX TECHNICAL MANUAL Seiko
Page 3 and 4: PRECAUTIONS Precautlonary notations
Page 5: PREFACE Thls manual descrlbes the t
Page 9: CHAPTER 1 PRODOCT DESCRIPTION TAßL
Page 12 and 13: PRODUCT DESCRIPTION REV.A WX Clock
Page 14 and 15: PRODUCT DESCRlP TION REV.A 1.2.1 Ma
Page 16 and 17: PRODUCT DFßCRIPTION REV.A 1.2.5 D5
Page 18 and 19: PRODUCT DESCRlPTION HEV.A 1.3 HARDW
Page 22 and 23: PRODUCT DESCRIPTION REV.A FIGURE 1-
Page 24 and 25: 2.3.9 2.3.10 2.3.10.1 2.3.11 2.3.12
Page 26 and 27: 2-3-14 2-3-15 2-3-16 2-3-17 2-3-18
Page 29 and 30: REV.A PRINCIPLES OF OPERATION 2.1 H
Page 31 and 32: REV .A PRINCIPLES OF OPERATION 1 D1
Page 33 and 34: REV.A PRINCIPLES OF OPERATION 1) If
Page 35 and 36: REV . B PRINCIPLES OF OPERATION 2.2
Page 37 and 38: REV.A PRINCIPLES OF OPERATION A vol
Page 39 and 40: HEV.A PRINCIPLES OF OPERATION Chara
Page 41 and 42: RKV.A PRINCIPLES OF OPERATION 2.2.2
Page 43 and 44: REV.B PRINCIPLES OF OPERATION +12 +
Page 45 and 46: REV.A PRINCIPLES OF OPERATION TABLE
Page 47 and 48: N I I-' \Q 2 .3 ARTA MAHl CONTROL B
Page 49 and 50: N I N """ 2.3.1 System Clock Genera
Page 51 and 52: N I N W 2.3.1.4 Oscillator There ar
Page 53 and 54: N 2.3.2 System Reset Signal Generat
Page 55 and 56: N +5·5 ~Hls~ CN3~--·"'-" (j flJ5:
Page 57 and 58: t-,) I t-,) ID 2.3.3.3 Jumper Conne
Page 59 and 60: N ( OA TA BUS C~ TO FRO"" RA"" RA""
Page 61 and 62: N I ~ ~ 2.3.4.2 Circuit Operation o
Page 63 and 64: N I ~ To int......l ....ry GAATCK _
Page 65 and 66: MOlS l :;1 MOl l@j { i~~~TRI l READ
Page 67 and 68: N I wIQ - 1. . . I :>
Page 69 and 70: !',) I oll J-I 2.3.5 "C 1/0 Devic
Page 71 and 72:
N },. w The LS612 has sixteen 12-bi
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N I ~ GAATCK 10 GAATM21 I ino OMA 1
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N I 01> -..I GAATCK { CPU GAATM' @
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N I ~ (16-bit bus operation) * NOTE
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N I \Jl ~ 2.3.8 Command Delay Signa
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INT , \ DTR 00 DEN ) t +,5 INT..H C
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N I VI \oll lOG......T... ' TOGur..
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N I VI GAATCK GAATAB GAATRF l5590 a
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N I VI \Cl - _.... -- - ~ AATRF GAA
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N ~,... 2.3.14 Keyboard Interface C
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N ~ IJ,) KID CLK KID DATA GAATCK GA
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REV.A PRINCIPLES OF OPERATION 2.4 M
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HEV.A PRINCIPLES OF OPERATION Data
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REV.A PRINCIPLES OF OPERATION 1.2 M
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REV.A PRINCIPLES OF OPERATION 2.4.3
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REV.B PRINCIPLES OF OPERATION VFO c
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REV.A PRINCIPLES OF OPERATION If DS
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REV .A PRINCIPLES OF OPERATION 2.5
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REV.A PRINCIPLES OF OPERATION 2.5.2
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REV .A PRINCIPLES OF OPERATION T6 ~
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REV .A PRINCIPLES OF OPERATION 2.5.
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REV.A PRINCIPLES OF OPERATION (4) I
Page 115 and 116:
HEV.A PRINCIPLES OF OPERATION 2.5.7
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REV.A PRINCIPLES OF OPERATION ii) E
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REV.A PRINCIPLES OF OPERATION Key C
Page 121 and 122:
REV.A PRINCIPLES OF OPERATION 1) DE
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REV .A PRINCIPLES OF OPERATION (10)
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REV.A PRINCIPLES OF OPERATION (3) B
Page 127:
CHAPTER 3 OPTIONS TAßlE OF CONTENT
Page 131 and 132:
REV.A TROUBLESHOOTIBG 4.1 Service T
Page 133 and 134:
RKV.A TROUBLESHOOTING INSTANCE 1 In
Page 135 and 136:
REV.A TROUBLESHOOTIBG 4.3 RESPONSE
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t PORT 80 01H 04H 05H 06H 07H or 08
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t (3) Error bit pattern (1 second)
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tt-' t-' 22H 23H 25H II GAATIO 8259
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2AH 2BH 8254-2 RAM, GAATIO option b
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t~ I.n (3AH) Unfixed value (Address
Page 147 and 148:
,... I ..... .t:' (3FH) Unfixed v
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ol:l I t \C (45H) WHDC Unfixed
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.p I N ""'" Parity check 1 80000
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Fi gure 5-1-1 5-1-2 5-1-3 5-1-4 5-1
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DIASSEMBLY AND ASSEMBLY HEV.A 5.1.3
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DIASSEMBLY AND ASSEMBLY REV.A 5.1.7
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DIASSKMBLY AN» ASSKMBLY HEV.A 5.1.
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DISASSEMBLY AND ASSEMBLY REV.A 5.1.
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DISASSEKBLY ABO ASSEKBLY REV.A 5.1.
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DISASSEMBLY AND ASSEMBLY REV.A 5.3
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DISASSEMBLY AND ASSEMBLY REV.A 5.3.
Page 171:
CHAPTER 6 ADJUSTMENT AHD MAINTENANC
Page 174 and 175:
7-1-8 Factory Settings (SPFG Board)
Page 176 and 177:
DIAGRAMS AND REFERENCE MATERIALS RE
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DIAGRAKS AHn REFERENCE MATERIALS HE
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DIAGRAHS AND REFERENCE MATERIALS RE
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DIAGRAHS AHn REFERENCE MATERIALS RE
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DIAGRAMS AN» REFERENCE MATERIALS R
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D1AGRAKS AND REFERENCE MATERIALS RE
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DIAGRAMS AHn REFERENCE MATERIALS HE
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DIAGRAMS AND REFERENCE MATERIALS HE
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DIAGRAMS AHn REFERENCE MATERIALS RE
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DIAGRAMS ARD REFERENCE MATERIALS RE
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DIAGRAKS AND REFERENCE MATERIALS HE
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DIAGRAMS AB» REFERENCE MATERIALS R
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DIAGRAMS AND REFERENCE MATERIALS KE
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DIAGRAHS AND REFERENCE MATERIALS HE
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DIAGRAMS AN» REFERENCE MATERIALS H
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DIAGRAMS AN» REFERENCE MATERIALS H
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DIAGlU\MS AND REFERENCE MATERIALS H
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Page 264 and 265:
DIAGRAMS ABO REFERENCE MATERIALS RE
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8.1 MAJOR PARTS 8.1.1 Excluding P.C
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8.2 COMPONENT PARTS 8.2.1 ANTA Boar
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Unit Description ANTA Board (6) Mod
Page 273 and 274:
8.2.3 ANT-RMA Board Unit Modificati
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8.2.5 SPFG Board Unit Modification
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8.3.2 ANT-RM/RMA Board Jumper Setti
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8.3.4 WHDC Board Jumper Settings Un
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(Xl .... I 01 8.4.2 P.C.B Unit Boar
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1 2 3 4 +5 +5 A B c o E F G H R8 Sl
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1 2 3 4 5 +5 +5 A B c o E F G H R8
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1 2 3 4 5 +5 +5 A B c o E F G H R8
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A B c D E F G H J K L M N o p 4~3 ~
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I T MD 111 I" 13 12 • 11 10 9 •
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PG TO POWER SUPPlY UNIT NO CONNECT
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OUTPUT SOCKET ® RIII CI06 O.OI/lF
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T DACK2 2 3 4 t- 0 ...J CJ) Z 0 5 0
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A B c o E F G H 1 2 3 4 5 6 I ọ
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* +5V -r ,,;I: R2 01 ~ J27K + ~ CI
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I A B c o E F G H T 2 3 JI -DRIVE S
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134 132 126 500 \ --- ~ I 103 /~'~3
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EPSON OVERSEAS MARKETING LOCATIONS
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