HP 9830 Schematic Download

Page: 16 / 42

N24A.12

nMW14

WD14

N24A.R

N24A.V

N24A.U

N24A.T

N24A.M

N24A.L

N24A.P

N24A.N

N24A.K

N24A.11

A0R

A1R

A2R

A3R

A4R

A5C

A6C

A7C

A8C

nRD15

nRD

N24A.8

163

(m)

V+s

3 of

2.2

20V

2.2
20V

3 of

20V

V+16

U84-015

1103

1K•1

DRAM

16 of

237

RAMB0/4

nMW15

U84-4

U84-5

nRAMA1

nRAMA2

nRAMA3

nRAMA4

RAMA5

RAMA6

RAMA7

nRAMA0

RAMA8

nPC

R/nW

A9C

nCE

Vss

Vdd

Vbb

V+16 V+19.5

nRD14

nRD13

nRD12

nRD11

nRD10

nRD9

nRD8

nRD7

nRD6

nRD5

nRD4

nRD3

nRD2

nRD1

nRD0

U84-1

(5)

U84-1

U84-9

3208

nE456

nE123

U84-6

2.6K

V+16

WD15

N24A.13

nMW13

WD13

N24A.14

nMW12

WD12

N24A.15

nMW11

WD11

N24A.16

nMW10

WD10

N24A.17

nMW9

WD9

N24A.18

nMW8

WD8

N24B.10

nMW7

WD7

N24B.11

nMW6

WD6

N24B.12

nMW5

WD5

N24B.13

nMW4

WD4

N24B.14

nMW3

WD3

N24B.15

nMW2

WD2

N24B.16

nMW1

WD1

N24B.17

nMW0

WD0

5 U84-6 6

1 U84-6 2

13 U84-6 12

9 U84-6 8

11 U84-6 10

9 U84-8 8

11 U84-8 10

1 U84-8 2

13 U84-8 12

11 U84-10 10

13 U84-10 12

9 U84-10 8

5 U84-10 6

3 U84-10 4

1 U84-10 2

WD15

WD14

WD13

WD12

WD11

WD10

WD9

WD8

WD7

WD6

WD5

WD4

WD3

WD2

WD1

WD0

U84-4

4-404

V+16

1.2K

13 U84-4 12

1 U84-4 2

3 U84-4 4

5 U84-4 6

5 U84-5 6

9 U84-5 8

3 U84-5 4

1 U84-5 2

13 U84-5 12

N24A.S

RAMA9

R16

R25

R32

R27

R26

R24

R15

R19

R23

R30

V+s

nMR15

nMR14

nMR13

nMR12

N24B.B

N24B.C

N24B.D

N24B.E

N24B.F

nMR11

nMR10

nMR9

nMR8

nMR7

nMR6

N24B.H

N24B.J

N24B.K

N24B.L

N24B.M

N24B.N

nMR5

nMR4

nMR3

nMR2

nMR1

nMR0

N24B.P

N24B.R

N24B.S

N24B.T

N24B.U

0.01

nRD15

nRD14

nRD13

nRD12

nRD11

nRD10

nRD9

nRD8

nRD7

nRD6

nRD5

nRD4

nRD3

nRD2

nRD1

nRD0

N24B.D4

RAMRr/f

V+19.5

U84-1

(4)

MAC

MCA

RWT

U84-2

(5)

U84-1

(12)

(13)

U84-2

(4)

U84-2

(12)

U84-3

U84-2

(13)

U84-3

(12)

U84-3

(4)

(5)

U84-3

(13)

4-009

V+16

10K

V–12

N24A.7

RAMB1/5

N24A.6

RAMB2/6

N24A.5

RAMB3/7

N24A.Y21

N24A.X20

N24A.W19

12 of

2.2

20V

V+16

0.01

17 of

0.01

V+19.5

V+16

U84-8

nE456

nE123

nE456

nE123

BANK 0
(UPPER)

BANK 1

(UPPER-
MIDDLE)

BANK 2

(LOWER-

MIDDLE)

BANK 3

(LOWER)

C-A

C-L

C-1

C-2

C-4

C-6

C-9

C-H

C-5

C-E

0.01

V+16

MCA

MAC

RWT

MCA

MAC

RWT

MCA

MAC

RWT

MCA

MAC

RWT

V+5

V+16

10K

V–12

Q3/4-009

C-B

C-3

C-C

C-7

C-D

C-F

C-K

C-8

C-J

C-11

C-10

C-12

N24C.N

N24C.M

U84-1,2,3

3207

V+16

V+19.5

U84-7

3208

U84-11

3208

82pF

hex

MOS

Sense

Amps

HP 9830 Computer

Section: 4KW RAM Array

Page: M8

Rendition: 2014 Dec 26

N24A.B2

N24A.A1Z22

B.A1V18

N24B.6,7

V+16

N24B.8

V+19.5

N24A.D4

V–12

4KW RAM
Assemblies 84

Summary of Contents for 9830

Page 1: ...tic has been derived through examination of the equipment This is not the manufacturer s schematic bhilpert 2013 Contents continued Section Assemblies Page Keyboard Logic 32 K1 Keyboard 31 32 K2 Display Scan Logic 42 D1 Display Column Drivers 41 D2 Display Characters Left 16 41 D3 Display Characters Right 16 41 D4 Tape Interface 61 62 T1 Tape Command Decode 62 61 T2 Tape Drive 64 65 T3 Tape Data C...

Page 2: ...Amp 66 09865 66566 REV B 7349 np NOTES Printed circuit boards are identified by the Assembly Number printed in the foil of the circuit board The last two digits of the assembly number distinguish each board type and correspond to the color coding of the board extraction handles This schematic presents the 4KW RAM board set so the assemblies are identified as 82 83 84 The connectors they plug into ...

Page 3: ...y Secondary Address PM SM Address Modifier Memory Subsystem RAM Bank Decoding M Register 16 bits RAM 2 4KW BASIC ROM 7KW BASIC II 1KW Cartridge ROMs 16 16 T Register 16 bits Option ROMS Memory Cycle State Machine Refresh Counter 5 5 5 ROM Bank Decoding 6 9 15 3 1KW 5 1KW 8 14 8 10 I O State Machine Command Decoding I O Subsystem Devices DI SI BUS Data State In DO SO CO BUS Data State select Code O...

Page 4: ... 2 5 13 11 U12 10 12 IOCK1 1K N12A 8 12 U12 13 10 13 8 9 12 U12 12 10 9 8 13 N12A N12 N12B N12 N12A M 4 U12 13 2 5 6 1 2 U12 12 1 5 6 4 N12A 15 10 8 U12 5 9 N12A K9 1 U13 4 12 2 13 N13A S IQN N13A F CC1 CC2 CC4 CC8 nINH N13A 12 N13B 3 XTC nIHC N14A 15 N22A K N02 7 MCK N02 J N23A 8 N22A 7 N14A 9 N13A K SCK 1K nCEM QRD IOCK2 nCCT N14A 13 N13A 13 RCK N13B N12 IOCKT N14A 16 N22A L N13A M nQN CPU CLOCK...

Page 5: ... 5495 shift register 13 Q0 12 Q1 11 Q2 10 Q3 SI CPn 1 8 2 D0 3 D1 4 D2 5 D3 S P 6 9 CSn U13 12 5495 shift register 13 Q0 12 Q1 11 Q2 10 Q3 SI CPn 1 8 2 D0 3 D1 4 D2 5 D3 S P 6 9 CSn U13 13 5495 shift register 13 Q0 12 Q1 11 Q2 10 Q3 SI CPn 1 8 2 D0 3 D1 4 D2 5 D3 S P 6 9 CSn U13 14 5495 shift register 13 Q0 12 Q1 11 Q2 10 Q3 SI CPn 1 8 2 D0 3 D1 4 D2 5 D3 S P 6 C H TBUS nTTQ C J C 3 4 of 470 3 U13...

Page 6: ...B 8 AC1 N13A L nXTR N13B K nTTM N13B 9 nTTT N13B L SC0 N13B 10 SC1 12 13 U13 1 2 1 U13 1 N13B M AC2 N13B 2 470 N13A N N13A 10 BRC N14A H N14A 4 N14A J N14A F N14A T NT 6 33 10 8 U14 18 N14A C MCDIS N14A M N14B F N12A H7 12 11 U12 19 13 nOTx nMIx 10 8 U12 10 9 N23A W19 N23A 21 N23A V N22A X 3 of 2 2K N14A L N12A L10 330 N14A S BCD N14A 8 N14B A N14B B N14B J N14B 11 QAB FPAB N12B 7 N12B H N12B F6 N...

Page 7: ...r 14 Q7 15 nQ7 DS0 11 nR 1 13 S 9 Cp 10 Cp 2 3 U14 17 1 SCK 9 10 8 U14 15 5 4 6 2 3 1 TBUS B0 BTR B Register U14 16 U14 16 3 9 CSn U14 1 5495 shift register 13 Q0 12 Q1 11 Q2 10 Q3 SI CPn 1 8 2 D0 3 D1 4 D2 5 D3 S P 6 13 11 U14 7 12 9 U14 14 12 10 8 13 SCK nTRE 2 3 U14 8 1 TBUS T0 4 6 U14 8 5 5 6 U14 7 4 2 3 U14 7 1 nTBE E0 ETR 10 13 12 10 11 TBUS U83 2 8 2 1 T0 4 5 3 T0 9 9 8 4 5 6 nRDM 13 12 11 ...

Page 8: ...B 8 DC N14B M BC 9 8 U14 13 10 1 3 U14 13 2 13 11 U14 13 12 5 6 U14 13 4 SCK 470 N14A 14 N23A J N22A J N11A 5 TBUS MCDIS NT 1 N13A R BCD1 BCD2 BCD3 nBCD BCD BCD BCD BCD T1 AC2 10 9 2 3 M0 T0 U83 8 8 13 1 nDO0 6 5 4 N23A U SC1 TTS SC0 MTS LIx MIx QAB RCK SCB nUTR HP 9830 Computer Section CPU ALU Page P5 Rendition 2014 Dec 26 SBUS RBUS 9 10 3 2 BTR U14 3 8 1 13 5 4 3 ATR B0 2 1 Q0 13 12 E0 ETR 11 10...

Page 9: ...12 K nR 8 2 nS U82 2 74H106 Q 14 nQ J 1 Cn 4 16 K nR 3 10 nS U82 3 74H74 9 Q 8 nQ D 11 Cp 12 nR 13 12 13 11 U82 13 10 8 U82 13 9 10 9 U82 15 8 13 5 U82 14 6 4 3 1 2 U82 14 12 1 13 4 6 U82 12 5 2 1 3 U82 24 5 6 U82 24 4 10 9 U82 12 8 12 13 U82 6 11 10 9 U82 6 8 nWTM REF nMCB 13 11 U82 25 12 2 3 U82 25 1 4 6 U82 25 5 9 10 8 U82 24 13 11 U82 24 12 nMCB MCP nMCA nMCA MCP MCB MCA MCC nMCA MCA nMCC nREF...

Page 10: ...83 11 9 CSn U83 4 7495 shift register 13 Q0 12 Q1 11 Q2 10 Q3 SI CPn 1 8 2 D0 3 D1 4 D2 5 D3 S P 6 2 1 U83 14 8 9 U83 14 10 11 U83 14 12 13 U83 14 6 5 U83 11 12 13 U83 11 10 11 U83 11 8 9 U83 11 9 CSn U83 5 7495 shift register 13 Q0 12 Q1 11 Q2 10 Q3 SI CPn 1 8 2 D0 3 D1 4 D2 5 D3 S P 6 6 5 U83 15 4 3 U83 15 2 1 U83 15 12 13 U83 15 8 9 U83 12 10 11 U83 12 12 13 U83 12 2 1 U83 12 9 CSn U83 6 7495 s...

Page 11: ...5 N N25 BB N25 AA N25 24 N25 23 N25 6 nM13 N25 11 N26b 4 N26b 5 N26c 4 N26c 5 N26d 4 N26d 5 ROMB20 ROMB21 ROMB22 ROMB23 ROMB24 ROMB25 ROMB26 ROMB27 ROMB30 ROMB31 ROMB32 ROMB33 ROMB34 ROMB35 ROMB36 ROMB37 N03 X N03 Y N03 V N03 W N03 Z N03 U N03 21 N03 19 N03 22 N03 20 3 U25 5 4 5 U25 5 6 13 U25 5 12 11 U25 5 10 9 U25 5 8 1 U25 4 2 3 U25 4 4 5 U25 4 6 13 U25 4 12 11 U25 4 10 9 U25 4 8 5 U25 3 6 3 U2...

Page 12: ... T N25 U N25 V N25 W N25 X N25 Y N25 Z N25 P N25 R N25 15 N25 16 N25 17 N25 18 N25 19 N25 20 N25 21 N25 22 N25 13 N25 14 220 N26 8 N26 9 N26 10 N26 11 N26 12 N26 13 N26 14 N26 15 N26 16 N26 17 nROMnA8b N03 B N03 K N03 R N03 E N03 S N03 D N03 T N03 A N03 1 N03 18 3 U25 1 4 5 U25 1 6 9 U25 1 8 1 U25 2 2 3 U25 2 4 5 U25 2 6 9 U25 2 8 N21B 12 N21B 13 N21B 14 N21B 15 N21B 16 N21B 17 N21B 18 N21B 19 N21...

Page 13: ...1 6U U21 7U U21 10U U21 11U U21 12U U21 13U U21 14U U21 15U 1 2K V 16 V 12 12 13 U21 3 330 4 3 U21 4 1 U21 4 2 13 U21 7 12 11 U21 7 10 9 U21 7 8 1 U21 7 2 3 U21 7 4 5 U21 7 6 3 U21 6 4 5 U21 6 6 13 U21 6 12 11 U21 6 10 9 U21 6 8 13 U21 8 12 11 U21 8 10 1 U21 6 2 nD5 nD6 nD7 nD4 nD1 nD2 nD3 nD0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q0 16 8 17 7 18 6 19 9 1 U21 8 2 3 U21 8 4 5 U21 8 6 13 U21 10 12 11 U21 10 10 9 U21...

Page 14: ...2 15 V b 1 2 15 V b nA1 nA2 nA3 nA4 nA5 nA6 nA7 nA0 nA8 A8 nA1 nA2 nA3 nA4 nA5 nA6 nA7 nA0 nA8 A8 16 8 17 7 18 6 19 9 16 8 17 7 18 6 19 9 nMR5 nMR6 nMR7 nMR4 nMR1 nMR2 nMR3 nMR0 nMR13 nMR14 nMR15 nMR12 nMR9 nMR10 nMR11 nMR8 nMAC nMAC nMAC ROMB hi ROMB lo nMAC nMAC nROMA1b nROMA2b nROMA3b nROMA4b nROMA5b nROMA6b nROMA7b nROMA0b nROMA8b nROMnA8b 9 U26 3 8 S1 nS2 A8 HP 9830 Computer Section ROM Cards...

Page 15: ...SB1A N22A 22 1 2K MCC AEN nRAMB0A nRSB1 RAMB6 RAMB7 4KW RAM Assemblies 84 2 U82 16 4 5 1 6 N22B 10 RAMRf N24Af F6 N24Af E5 N24Bf 2 RAMA7 RAMA6 RAMA5 nRAMA4 nRAMA3 nRAMA2 nRAMA1 nRAMA0 RAMA8 N24 R N24 V N24 U N24 T N24 M N24 L N24 P N24 N N24 K RAMA9 N24 S 4KW RAM Assemblies 84 2 nS U82 20 74106 15 Q 14 nQ J 1 Cn 4 16 K nR 3 nREF REF N22A F 10 11 U82 31 nMCK 22 nCCT nINH N22C 4 N22C 2 N22B 7 HP 983...

Page 16: ...6 5 U84 5 6 9 U84 5 8 3 U84 5 4 1 U84 5 2 13 U84 5 12 N24A S RAMA9 A0 R16 A3 A4 A1 A2 A7 A8 A9 A0 A5 A6 A5 R25 A9 R32 A8 R27 A7 R26 A2 R24 A1 R15 A4 R19 A3 R23 A6 R30 10 V s V s V s nMR15 nMR14 nMR13 nMR12 N24B B N24B C N24B D N24B E N24B F nMR11 nMR10 nMR9 nMR8 nMR7 nMR6 N24B H N24B J N24B K N24B L N24B M N24B N nMR5 nMR4 nMR3 nMR2 nMR1 nMR0 N24B P N24B R N24B S N24B T N24B U 0 01 nRD15 nRD14 nRD...

Page 17: ...11 3 13 11 U11 19 12 6 5 U11 3 10 U11 12 9 13 8 12 4 3 U11 20 12 13 U11 20 8 9 U11 3 2 U11 12 5 4 6 1 4 6 U11 4 5 nPOP N11B N 5 6 U11 11 4 9 8 U11 11 10 N11B 10 N11B 8 N11B 9 EOW CLF N11B R 9 8 U11 1 10 N11A 8 6 5 U11 20 2 1 U11 20 Q0 10 11 U11 20 4 3 U11 3 Q0 11 STF 2 1 U11 3 Q2 Q2 Q3 Q1 Q4 Q00000 N11B L Q1 11 CLF Q1 11 N11A 3 DRC Q5 Q6 Q7 Q8 U12 1 74H101 6 Q 8 nQ J Cn nS 5 13 2 1 K 3 4 12 11 10 ...

Page 18: ...10 12 Q4 1 3 U11 10 2 4 6 U11 10 5 EOW CLF KLS Q3 Q0 11 2 3 U11 5 1 CLF Q0 11 4 6 U11 5 5 STC n CLF Q0 n CLF Q0 n STF Q0 n STF Q0 n CLF Q0 Q00000 Q00000 DRC CLF IOCKT N11A 4 nCEO nCFI N23A R nSRA 0 01 HP 9830 Computer Section I O Flags Register 9866 Interface Page F2 Rendition 2014 Dec 26 4 U11 7 6 3 5 3 U11 6 6 5 4 nPOP nSRA Service Inhibit FF Display Enable FF SIH Control Enable Out FF nQ00000 n...

Page 19: ...A N02 24 N02 Z N02 22 N02 Y N02 21 N02 20 N02 19 N02 18 N02 17 N02 16 N02 15 N02 14 N02 13 N02 M N02 L N02 10 N02 K N61A L N61A 10 N61A K N61A 9 N62 AA N62 23 N62 Z N62 22 N62 Y N62 21 N62 X N62 20 N62 W N62 19 N62 V N62 18 N61B L N61B 11 TAPE DRIVE CO3 DO15 CO2 DO14 CO1 DO13 CO0 DO12 SO3 DO11 SO2 DO10 SO1 DO9 SO0 DO8 DO7 DO6 DO5 DO4 DO3 DO2 DO1 DO0 N42 X N42 20 N42 W N42 19 N42 V N42 18 N42 U N42...

Page 20: ...4 N12 N34 A1 M11 N32 AA23 N32 A1 BB24 N31 1 N31 15 22 N31 4 2 1 3 U32 15 13 12 11 U32 15 9 10 8 U32 15 9 10 8 U32 9 5 4 6 U32 15 13 12 11 U32 13 2 1 3 U32 12 12 13 11 U32 9 1 2 3 U32 9 9 10 8 U32 13 4 5 6 U32 6 KSCANCLK 10 9 8 U32 6 13 12 11 U32 6 10 nS U32 14 7474 9 Q 8 nQ D 11 Cp 12 nR 13 4 5 6 3 2 1 nS U32 14 7474 Q nQ D Cp nR 2 0 002 1K 220 5 4 6 U32 9 KSCANDET HP 9830 Computer Section Keyboar...

Page 21: ...Y2 4 Y3 5 Y4 6 Y5 7 Y6 9 Y7 10 Y8 11 Y9 B1 13 B4 12 B8 120 14 B2 15 U32 17 74145 1 Y0 2 Y1 3 Y2 4 Y3 5 Y4 6 Y5 7 Y6 9 Y7 10 Y8 11 Y9 B1 13 B4 12 B8 4 3 U32 16 nDI0 12 13 U32 16 4 7K N32 T N34 8 nDI1 N32 U N34 H nDI2 N32 W N34 7 nDI3 N32 V N34 F nDI4 N32 S N34 6 nDI5 N32 R N34 E nDI6 N32 N N34 5 nDI7 N32 P N34 D KDBENB KSCANCLK KSCANDET nKSCANDET KR7 nKC1 5 4 6 U32 8 2 1 3 U32 8 12 13 11 U32 8 9 10...

Page 22: ... U42 d2 1 3 DRERB DRERC DRERD DRERE DRERF DRERG V 12 N42 L DRELA N42 10 DRELB N42 K DRELC N42 9 DRELD N42 J DRELE N42 8 DRELF N42 H DRELG 4 3 U42 c1 6 5 U42 c1 8 9 U42 c1 10 11 U42 c1 12 13 U42 c1 4 3 U42 b2 2 1 U42 c1 N42 11 DCA0 N42 M DCA1 N42 12 DCA2 N42 N DOFF 2 2K 10 12 4 1 4 10 2 6 5 U42 b2 180 6V 3 of 0 01 47 20V V 12 47 20V V 12 28 A6 DISPLAY LOGIC Assembly 42 U42 d4 7493 16 12 Q1 9 Q2 8 Q...

Page 23: ...2 4 Y3 5 Y4 6 Y5 7 Y6 9 Y7 10 Y8 11 Y9 B1 13 B4 12 B8 14 B2 15 U41 f7 74L42 1 Y0 2 Y1 3 Y2 4 Y3 5 Y4 6 Y5 7 Y6 9 Y7 10 Y8 11 Y9 B1 13 B4 12 B8 14 B2 15 U41 f8 74L42 1 Y0 2 Y1 3 Y2 4 Y3 5 Y4 6 Y5 7 Y6 9 Y7 10 Y8 11 Y9 B1 13 B4 12 B8 14 B2 15 U41 f9 74L42 1 Y0 2 Y1 3 Y2 4 Y3 5 Y4 6 Y5 7 Y6 9 Y7 10 Y8 11 Y9 B1 13 B4 12 B8 14 B2 15 U41 f10 74L42 1 Y0 2 Y1 3 Y2 4 Y3 5 Y4 6 Y5 7 Y6 9 Y7 10 Y8 11 Y9 B1 1...

Page 24: ...4 6 U41 e4 13 12 11 U41 e1 9 10 8 U41 e1 1 2 3 U41 e1 5 4 6 U41 e1 1 2 3 U41 e2 5 4 6 U41 e2 13 12 11 U41 e2 10 9 8 U41 e2 13 12 11 U41 e3 9 10 8 U41 e3 1 2 3 U41 e3 U41 e3 9 10 8 U41 e5 13 12 11 U41 e5 B A C D E F G Q41 a Q41 a Q41 a Q41 a Q41 a Q41 a Q41 a2d Q41 a2a Q41 a1d Q41 a1b Q41 a1c Q41 a2b R2 R1 R4 R6 R7 R5 HP 9830 Computer Section Display Characters Left 16 Page D3 Rendition 2014 Dec 26...

Page 25: ...41 e5 5 4 6 U41 e5 9 10 8 U41 e6 13 12 11 U41 e6 5 4 6 U41 e6 1 2 3 U41 e6 13 12 11 U41 e7 10 9 8 U41 e7 1 2 3 U41 e7 1 2 3 U41 e8 9 10 8 U41 e8 U41 e7 13 12 11 U41 e8 5 4 6 U41 e8 R14 6 8 Q41 a6d Q41 a5c Q41 a4c Q41 a5d Q41 a5a Q41 a5b R8 R12 R10 R15 R11 R13 Q41 a Q41 a Q41 a Q41 a Q41 a Q41 a 18 B 25 A 15 C 7 D 8 E 11 F 4 G B A C D E F G HP 9830 Computer Section Display Characters Right 16 Page ...

Page 26: ... 8 9 U61 6 9 10 U61 7 8 4 U61 7 6 N61B T N61B 16 DO15 DO14 N61B S DO13 2 1 U61 7 3 N61B 15 DO12 5 4 5 U61 5 6 9 U61 5 8 10 12 13 U61 6 N61B 11 nCEOb 4 3 U61 6 2 U61 5 3 1 4 nS U61 13 7474 5 Q 6 nQ D 3 Cp 2 nR 1 9 10 8 U61 4 12 U61 7 11 13 12 U61 5 11 13 6 5 U61 6 12 13 U61 11 10 11 U61 11 5 4 6 U61 4 N61B U nINT N61B 10 nSSI N61B L nSIH N61B N nPOPC N61B 3 CTMb N61B 9 CNT nDI7 10 nS U61 13 7474 9 ...

Page 27: ... U62 16 11 nLDR RUN 10 9 U62 16 8 6 5 U62 17 4 RUN 3 2 U62 17 1 9 8 U62 17 10 5 4 U62 16 6 RUN TP3 N62 14 WTC 8 9 U62 2 nWTC TP7 N62 P nRVC TP8 N62 13 nFTC TP5 N62 12 nRNC 2 1 U62 10 3 N62 5 CTMb CTM nPOPC WTC CTMb 5 U61 8 6 Tn Tn Tp Tp 10 U61 8 8 12 13 U61 8 11 2 1 U61 8 3 N61B A 10 nS U61 10 7474 9 Q 8 nQ D 11 Cp 12 nR 13 4 9 2 1 U61 11 nBFD N61B 13 nRNC N61B 2 CIN nPOPC N62 D N61B B 4 U62 1 2 5...

Page 28: ...5 m m m m 220 Q2 2N3053 m Q9 2N3054 N64 L10 N51A Y N64 M11 N51A Z V 17 1 5K Q3 3 027 1uH 22K 560 20041 1N751A 6 81V 10 N65 D4 N64 E5 3 2 6 U64 3 741 4 7 V 12 V 12 1 96K N64 J8 N51A W 4 99K 10K 2 1 U64 1 V 12 0 0082 200K N64 13 4 3 U64 1 20048 4 75V N64 16 Q1 3 010 TP1 25 5K 15 4K 3 2 6 U64 4 741 4 7 V 12 V 12 14 9K 8 06K 19 8K 6 12K 0 1 N64 K9 N51A X m 4 75V 0 01 V 12 0 01 V 12 0 1 TP4 m BOT EOT n...

Page 29: ... U62 10 6 8 9 U62 11 4 U62 9 6 3 5 1 U62 9 12 2 13 11 12 U62 17 13 nSTOP WTC 1 2 U62 18 3 CTMb 6 5 U62 11 RMK TP6 WMK N62 T TP11 10 9 U62 12 8 WTC 4 nS U62 8 7474 5 Q 6 nQ D 3 Cp 2 nR 1 FLG TP4 RCB TP10 WCL N62 U N62 16 N62 15 TP1 HP 9830 Computer Section Tape Data Clock Page T4 Rendition 2014 Dec 26 First flag suppression FF First mark generation FF Tp 3 Tn 5 4 Tn U62 13 74121 0 2mS 6 Q 1 nQ 10 1...

Page 30: ... 1 35V V 12 N65 L10 N63 C N63 3 N63 4 TAPE INTERCONNECT Assembly 65 TAPE R W HEAD Assembly 66 WEN WDA WDB ARA ARB 11 U63 2 8 10 9 2 2K Q7 3 020 2 2K 2 2K 1 U63 2 12 2 13 5 U63 2 6 4 3 0 1 4 5 6 U63 3 2 1 3 U63 3 TP2 TP3 10 11 U63 4 10 9 U63 1 8 N63 5 N63 13 N63 S 2 1 U63 4 N63 T N63 16 WPT WTC WCL WDT WMK WTC REN TAPE READ WRITE Assembly 63 gn bk og bu bn rd yl gy vi rear front HP 9830 Computer Se...

Page 31: ... 10K 8 9 12 U63 6 10K 22K 0 001 0 22 18pF 47 10K 49 9K Q6 3 020 10K Q5 4 071 49 9K 10K 1 18K Q2 3 020 2 55K Q1 4 071 1 18K 2 55K 2 87K 2 2K V 12 2 87K 2 7K 15K V 12 12 13 U63 4 12 13 U63 1 11 nFTC N63 12 TP8 TP5 TP7 3 3K 3 3K TP6 1 2 U63 1 3 5 4 U63 1 6 REN 6 5 U63 4 N63 P TAPE READ WRITE Assembly 63 N63 8 N63 9 2 of 0 01 V 12 0 01 V 12 6 of 0 01 N63 B2 N63 A1 V18 N63 17 V 12 V 12 N63 U V 12 V 12 ...

Page 32: ...5 4 2 9 3 U51 3 723 400pF 887 7 6 10 1 REF IN IN COMP OE OC CL CS Q7 2N3055 698 100 20766 V 47 20V V 16 1000 40V N51B M N51B K N51A F N51A E 499 698 V 12 16 12 N51B A B N51B T V N51A K N N51A U Q10 3 010 33 60 6V V 19 5 19 5 N51B N 23054 V 4 7K N51B L N51B F N52 A B N52 K L N52 C D N52 H N52 E gn og br rd yl V UH V 17 HP 9830 Computer Section Power Supply Page S1 Rendition 2014 Dec 26 POWER SUPPLY...

Page 33: ... c6 PNP U51 5 74121 U21 11U 1818 2083E U11 11 7400 U13 22 3301A U82 10 7495 U84 5 7406 U41 c7 PNP U63 1 7408 U21 12L 1818 2084E U11 12 7420 U13 23 3601 U82 11 7495 U84 6 7406 U41 c8 PNP U61 1 7403 U63 2 7410 U21 12U 1818 2085E U11 13 7474 U82 12 7408 U84 7 3208 U41 c9 PNP U61 2 7403 U63 3 7400 U21 13L 1818 2086E U11 14 5495 U14 1 5495 U82 13 7400 U84 8 7406 U41 c10 PNP U61 3 7403 U63 4 7404 U21 13...

Page 34: ...001 1820 0141 14 7 1 74193 1820 0233 16 8 counter 4 bit binary up down 2 7410 1820 0068 14 7 NAND 3 in triple 7 74H10 1820 0371 14 7 2 93L14 1820 0701 16 8 latch 4 bit 1 74H11 14 7 AND 3 in triple 1 9322 1820 0616 16 8 multiplexer 2 in quad 1 7413 1820 0537 14 7 NAND 4 in schmitt dual 1 9328 1820 0741 16 8 SR 8 bit dual 2 7416 1820 0577 14 7 NOT OC hi V buffer hex 7 9601 1820 0207 14 7 monostable ...

Page 35: ... Reverse SFW Solenoid Forward SRV Solenoid Reverse REN Read Enable WEN Write Enable FLG FLaG INT INTerrupt DCL Data CLock Memory RDM Read Memory WTM Write Memory AEN Address ENable MEN Memory ENable REF Refresh RAM RWT Read WriTe to RAM REFDLY Refresh Delay MCP Memory Cycle state machine flag MCA Memory Cycle state machine flag MCB Memory Cycle state machine flag MCC Memory Cycle state machine fla...

Page 36: ...1 111 111 111 111 max address 0bb bbb aaa aaa aaa ROM 10b bba aaa aaa aaa RAM ppp ppa aaa aaa aaa page selection HP 9830 Computer Section Memory Map Timing Diagrams Page A4 Rendition 2014 Dec 26 Memory Bank Address Map RCK Basic Timing Shown is a full 16 bit microcode cycle as defined by RCK ROM clock The number of pulses of SCK bit shift clock within an RCK cycle and hence the high period of RCK ...

Page 37: ...N22B A 1 CC 25 N21B A 1 CC 25 N25 A 1 V 18 N24Br A 1 V 18 N24Bf A 1 V 18 N51B A 1 S 15 N14B A 1 S 15 N13B A 1 S 15 N12B A 1 S 15 N11B A 1 Z 22 N03 DISPLAY KEYBOARD POWER SUPPLY A 1 L 10 N52 TAPE INTERFACE TAPE CONTROL TAPE R W TAPE MOTOR CONTROL DISPLAY LOGIC CLOCK I O I O REGISTER ALU CONTROL ROM BUFFER BASIC ROM I RAM T REGISTER M REGISTER CONTROL BASIC ROM II RAM EXTERNAL I O BUS 9866 INTERFACE...

Page 38: ...O Assembly 11 17 16 15 19 18 1 2 3 4 7 6 5 10 9 8 12 11 18 V 1 A N11A 1 S 15 A N11B 18 V 1 A N12A 15 S 1 A N12B 18 V 1 A N13A 15 S 1 A N13B 18 V 1 A N14A 15 S 1 A N14B CLOCK I O 10 L 1 A N13C 5L 4L 5U 4U 18 V 1 A N26 ROM BUFFER Assembly 25 ROM CARD Assembly Type 26 CPU CLOCK I O Assembly 12 ROM CARTRIDGE BUS Assembly 03 22 Z 1 A N03 All boards as viewed from component side 3 4 5 7 8 10 6 9 1 2 1 2...

Page 39: ... 1 A N41 1 A 24 BB N32 d2 d6 d5 d4 d7 c1 c4 c3 c2 c5 d3 b1 b2 d1 a1 c1 c2 c3 c4 c5 c6 c7 c8 c9 c10 d1 e1 e2 e3 e4 e5 e6 e7 e8 e9 e10 e11 e12 f1 f2 f3 f4 f5 f6 f7 f8 f9 f10 f11 f12 a1 a2 a3 a4 a5 a6 a7 b1 b2 b3 b4 b5 b6 b7 b8 b9 1 2 3 4 5 TAPE CONTROL Assembly 62 TAPE READ WRITE Assembly 63 TAPE MOTOR CONTROL Assembly 64 EXTERNAL I O BUS Assembly 02 25 CC 1 A N0X 1 2 3 25 CC 1 A N02 25 CC 1 A N0X 2...

Page 40: ...H Q3 D C 8 J AC1 A C 1 8 J DC nCLC 8 J I O C 3 IOC3 8 J K L S ROM CARTRIDGE ROM CARTRIDGE 9 K n T T T 9 K n T T M L I x M I x 9 K EOW EOW 9 K BEEP BUS N03 N03 10 L T3 S C 1 10 L S C 0 Q00000 10 L QFG QFG 10 L Q00000 nROMnA8b 1 A nROMA0b QAB 11 M B C BC 11 M Q A B S C B 11 M D R C DRC 11 M QNR n M R 7 2 B nROMA7b nPOP 12 N SCB RCK 12 N R C K 12 N nDO0 12 N a4 6 n M R 5 3 C nMAC ROM 13 P nPOP 13 P n...

Page 41: ...B RAMRf r 2 B n M R 1 5 V 12 2 B V 12 2 B 2 B V 12 T11 2 B V 12 3 C 3 C n M R 1 4 V 12 3 C T P C 3 C M A C 3 C V 12 3 C V 12SENSE 4 D GND 4 D n M R 1 3 TPC 4 D N22B 4 N23B D 4 D n M A C 4 D MAC T10 4 D 5 E 5 E n M R 1 2 5 E nMR15 5 E n M 1 3 5 E n M R 1 5 T14 5 E GNDSENSE 6 F V 16 6 F n M R 1 1 6 F nMR14 6 F M 9 6 F n M R 1 4 T13 6 F 7 H V 16 7 H n M R 1 0 7 H nMR13 nREFDLY 7 H M 1 0 7 H n M R 1 3...

Page 42: ... Y n C F I nRNC 13 P BEEP GND 22 25 CC Z nKSTOP 14 R DO12 15 S DO13 KEYBOARD DO14 16 T DO15 LOGIC N32 N32 17 U n I N T GND 1 A DISPLAY nDEN 18 V K C 1 5 2 B KR7 LOGIC N42 N42 K C 1 4 3 C KR6 GND 1 A K C 1 3 4 D KR5 V 5 2 B K C 1 2 5 E KR4 nDEN 3 C DO0b K C 1 1 6 F KR3 D R E R G 4 D D R E R F K C 1 0 7 H KR2 D R E R E 5 E DRERD KEYBOARD K C 9 8 J KR1 KEYBOARD D R E R C 6 F D R E R B MATRIX N31 N31 ...

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