Commodore Plus 4 Manuale utente

SERVICE

MANUAL

MODEL

PLUS 4

COMPUTER

Preliminary

OCT.

1984

PN-314001-04

Commodore

Business

Machines,

Inc.

1200

Wilson

Drive,

West

Chester,

Pennsylvania

19380

U.S.A.

Commodore makes no expressed or implied

war-

ranties

with

regard

the

information

contained

herein. The information is made available solely on

is basis, and the entire risk as

quality and

accuracy is

with

the

user. Commodore shall

not

liable

for

any consequential

incidental damages

connection

with

the

use

the

information

con-

tained herein. The listing

any

available replace-

ment

part

herein does

not

constitute

in any case

a recommendation,

warranty

guaranty as

quality

suitability

such replacement part.

Reproduction

use

without

expressed permission,

editorial

pictorial

content,

any

matter

prohibited.

This manual contains

copyrighted

and proprietary information. No

part

this

publication

may

be reproduced, stored in a retrieval

system,

transmitted

in any

form

any means, electronic, mechanical,

photocopying, recording

otherwise,

without

the

prior

written

permis-

sion

Commodore Electronics Limited.

1984

Commodore Electronics Limited.

CONTENTS

Title

SPECIFICATIONS

OVERVIEW

..........................................................................................................

PRODUCT PARTS LIST

.........................................................................................

CASEWORK IDENTIFICATION

................................................................................

PCB

LAYOUT

.......................................................................................................

PCB

PARTS LIST

..................................................................................................

PCB

SCHEMATIC DIAGRAMS

................................................................................

KEYBOARD MATRIX

.............................................................................................

I.C. PINOUTS

FOR

UNCOMMON CHIPS

..................................................................

MODULATOR

251844

LAYOUT

........................................................................

251844

SCHEMATIC

..................................................................

MODULATOR 251311 LAYOUT

........................................................................

251311

SCHEMATIC

..................................................................

Page

iiiliv

PLUS 4 PRODUCT

SPECIFICATION

MEMORY

64K

RAM.

60K

RAM User accessible

for

BASIC programs.

ROM

32K

ROM Standard (includes operating system and BASIC interpreter)

with

32K

additional ROM con-

taining

the

built-in

productivity

software.

MICROPROCESSOR

7501 Microprocessor -

.89

1.76

MHz clock.

DISPLAY

Columns x

lines

text.

COLORS

Colors

(16

colors; 8 luminance levels).

CHARACTERS

Upper &

lower

case letters, numerals and symbols. Reverse and flashing charachters. All

PET

graphic

characters.

DISPLAY MODES

Text characters. High resolution graphics. Split screen text/high resolution graphics. Multicolor graphics.

RESOLUTION

320

200

Pixels

SOUND

2 Tone generators or 1 Tone and 1

white

noise generator.

VOLUME

8 Volume levels

KEYBOARD

Full size

typewriter

style design

KEYS

Keys total. 4 Cursor control keys. 4 Programmed (reprogrammable)

function

keys (up

8 user

defined functions possible). Color control keys.

HELP

key. Upper and lower case character set. Graphics

character set.

INPUTS/OUTPUTS

PLUS/4 MODEM (User) port. Serial port. ROM cartridge and parallel disk drive port. 2

Joystick

ports.

C1531 Cassette drive interface port.

Output-channel 3 or

Video

output-compositel

chrominance/luminance.

Audio

input/output.

Power supply input.

PLUS 4 PRODUCT

SPECIFICATION

(Continued)

FEATURES

Built-in extended BASIC

3.5

-over

commands. Built-in Machine Language monitor -over

commands. Built-in graphics and sound commands. Screen

window

capability. Reset button (Warm

start). Built-in integrated

productivity

software.

PERIPHERALS

C1551 Fast Disk drive, C1531 Datasette, MPS

802

Dot matrix printer, MPS

803

Dot matrix printer,

DPS

1101 Daisy wheel printer,

C1802

color monitor.

OTHER

PERIPHERALS

C1541 Disk drive, MPS 801

Dot

matrix printer,

C1702

color monitor.

PLUS 4 OVERVIEW

The Plus 4 system is based on the 7501 microprocessor, an HMOS version

the

6510.

Video pro-

cessing is achieved

the

7360

TED

chip.

64K

bytes

dynamic RAM are accomplished

8 (64K

I.C.'s. (See page

The system program is contained in 2 (16K x 8) ROMs. The system supports

128K

x 8

ROM

banked in

16K

sections. By

software

control, through

the

7360,

ROM

can

completely banked

out

and RAM banked in for a true

64K

RAM (minus

256

byte pages), allow-

ing

60,671

bytes available

for

BASIC.

Keyboard and

joystick

scanning

are

accomplished

outputting

the

row

data on the data bus while

addressing a particular register in the

TED

chip. This will in turn cause the

TED

chip

latch the column

information.

A standard serial port supports serial bus peripherals such

the 1541 disk drive and the various

serial printers. A cassette port is provided and the expansion port supports

ROM

cartrdiges. TTL serial

ASCII is intended

drive an RS-232 adapter.

TOP CASE ASSY

Top Case

Keyboard, 67 Key, KKR-I

Nameplate

Shield Clip, R

Shield Clip, F

BOTTOM CASE ASSY

Bottom Case

Foot, Self-Adhesive

Paper Shield

Shield Chip

Shield Plate

Insulation Sheet

ACCESSORIES

Users Manual

Power Supply

Cable

Switch

Box

PARTS

LIST

PLUS/4

251453-01

251501-01

251655-01

251855-01

251856-01

251454-01

950157-04

310156-01

310199-01

310197-01

310198-01

310196-01

310157

326189-02

904778-01

C - Commodore

Stock

Part

r'"

F I-

"'"

i-'t"o'

BIO'IIIK!'

!....,eag]

/,\

~../

(eJI

L&~.......

UHUt

UII

III

)

Plus

4 Casework Identification

SEE NOTE 1

DETAIL

CNl

FB'II

I·~;

I FI!'1q

F852

F!H7

FB5D

FB51

FM5

FB43

FB44

FB55

FBM

FB51

A A

F~Z

Fel53

FB'IS

FB5"

FB4"

DETAIL

SOLDER

3 PL

PCB

BEND

LEGS - 2 PLS

BOTTOM

VIEW

FOR

5mm

MAX

_oL-->""o----

PUT

USE

FB39

FB40

DETAIL

REAR

SIDE

VIEW

SOLDERING

CARTRIDGE

GUIDE

I F1558 I

WRI~~

@ [ia:

IFBI51

FBI'"

CRle

t::]iLJ

0[!]

~@D

IFBW

~@D

o~~

(1'.50

)

@D@D

(1:.45 )

.....--v--

---v--

....--...r--

l"-

:::J

CONTACT

TERMINAL

DETAIL

SIDE

VIEW

"A-A"

CNS

[]

{\J

:::J

::l ::l

SOLDER

BARE~

BUSS

r----~~--~~~

WIRE

.L..----..----r---(

PCB

DETAIL

>Jl

(\J

:::J

enS

SHIELD

BOX

PUT

USE

FB27

<@I

Uz.

DETAIL

m:QJ

~~I

SHIELD

CAP

JUMPER SE:LECTIO....

FOR

J7 "

OOES

....

I.lAT"TER

FaR

IJTSC

(-Oil.

SHORT

FOR

Go-PAL

(·021.

-OPEN

FOR

I-PAL

(,03).

NOTES -

UNLESS

01HE.RWIS~

SPE:ClflE:D:

SOLDERING

UI<.

~ ~

(nc.

)

(nil)

~ ~

JUMPER

WIRE

[Bi!:J

l <

[![I:J

!ELl

(

C.3'\)

DETAIL

SOLDERING

SIDE

DETAIL

Plus 4

PCB

Assembly

PARTS LIST -PLUS/4 PCB ASSEMBLY

#310163-01

PLEASE NOTE: Commodore part numbers are provided

for

reference only and do

not

indicate the

availability

parts from Commodore. Industry standard parts (Resistors, Capacitors,

Connectors) should

secured locally.

Approved

cross-references

for

TTL chips,

Transistors, etc. will be available in manual

form

through

the Service Department

in November

1984.

Unique or non-standard parts will

stocked

Commodore

and are indicated on

the

parts list

"C".

INTEGRATED

CIRCUITS

U9-10

U11-18

U19

U20

U21

U22

U23

U24

U25

U26

7360

VLSI, Text Dislay

(TED)

Sub: C 251535-01

8360

251535-02

7501 Custom Microprocessor

C 251536-01

6551A

(Synertek) 901895-02

74LS08 901

521

-03

6529B Single Port Interface

74LS04

7406

555

74LS257

4164-2 D-RAM

7700-010

PLA

74LS139

74LS175

74LS27

2312B

ROM

TED

Basic

23128

ROM

TED

Kernal

251640-03

901521-02

901522-06

901523-01

901521-57

901505-01

C 251641-02

901521-18

901521-34

901521-22

C 318006-01

318005-04

23128

FUNCTION

ROM,

1 LOW

C 317053-01

23128

FUNCTION

ROM,

3+HIGH

C 317054-01

DIODES (Continued)

CR1

(cont.)

CR2

CR11-20

Bridge Rectifiers DBA20C

Sanyo

251026-03

Diode, Zener

6.8

900927-01

Diode,

914

Sub:

900850-16

Diode,

4148

Taping

251819-21 Sub:

Diode,

4148

900850-01

RESISTORS -All values

are

ohms-1/4 W

5% unless noted otherwise.

R10

R11

R12

R13

4.7K

10K

470K

220K

18K

1.5K

470K

100K

12K

10K

RESISTOR PACK

R14

R15

R16

R17

R18

R19

R20

R21

R22

R23

R24

R25

240

250

100K

1.5K

47K

100K

U27 6529B Single Port Interface

RP1,

2 3.3K, 6

902441-29

C 251640-03

RP3,

4 68, 8

4 ISOLATED

326149-06

TRANSISTORS

01-03

DIODES

CR1

2SC 1815

2SD

880

Tip

29A

2SD

1266

902693-01

902694-01 Sub:

902653-01 Sub:

902694-04

Bridge Rectifiers S2VB10 Sindengen

215026-01 Sub:

Bridge Recitifers DBA20B Sanyo

251026-02

Sub:

CAPACITORS

C5-C6

C10

C11

Elect 0.1

J.tF

25V

Ceramic 0.1

J.tF

25V

Film

0.22

J.tF

100V

Film

0.22

J.tF

100V

Ceramic

0.22

J.tF

50V

Elect

2200

J.tF

16V

Elect

J.tF

Ceramic 0.1

J.tF

25V

Trimmer

Ceramic 22

50V

900100-40

251075-06

900150-11

900022-01

900101-33

900100-25

251075-06

251029-02

251070-14

PARTS LIST -PLUS/4

PCB ASSEMBLY

#310163-01

(Continued'

CAPACITORS (Continued' MISCELLANEOUS (Continued'

C12 Ceramic

220

50V

Sub: FB2-14 Ferrite

bead

325563-01

251071-26

Sub: FB15-21 Ferrite

bead

903025-01

Ceramic

220

50V 900463-08 FB22-26,

C13 Ceramic

150

50V

251071-24

FB28-38, Ferrite

bead

325563-01

Sub: FB40

Ceramic

150

50V 900462-41 FB41-58 Ferrite

bead

903025-01

C14 Ceramic 0.1

p,F

25V

251075-01 FB59 Ferrite

bead

325563-01

C15-C16 Ceramic 0.1

p,F

25V

251075-06

FB60 Ferrite

bead

903025-01

C17-C18 Ceramic

p,F

16V

900100-25

FB61-63 Ferrite

bead

325563-01

C19 Ceramic 0.01

p,F

25V

251075-01 FB64-65 Ferrite

bead

903025-01

C20 Elect

p,F

16V

900100-25

C21

Ceramic 0.1

p,F

25V

251075-06

EM1,2

EMI

Filter 251842-01

C22 Elect

p,F

16V

900100-25

C23 Elect 1

p,F

16V

900100-16

CN1

Connector 4

(power supply)

C24-C26 Ceramic 0.1

p,F

25V

251075-06 C 251614-01

C27 Elect

p,F

16V 900100-25 CN2 Connector 6

DIN

(serial bus)

C28-C29 Ceramic 0.1

p,F

25V

251075-06

C 903361-01

C30 Elect

p,F

16V

900100-25

CN3 Connector 7

MINI

DIN

(cassette)

C31-C32 Ceramic 0.1

p,F

25V

251075-06 C 251616-01

C33-C40 Ceramic

0.22

p,F

25V

251075-07 CN4 Connector

Female

Edge

Sub: (exoab)

C251630-01

Ceramic

0.22

p,F

50V 900022-01 CN5-6 Connector 8

MINI

DIN

C41-C51 Ceramic 0.1

p,F

50V 900020-06 (joy 1 &

C 251259-01

Sub: CN7 Connector 8

DIN

(audio/video)

Ceramic 0.1

p,F

50V

9000010-01 325573-01

C100 Ceramic 0.1

p,F

50V

900010-20

CN8 Connector

(keyboard)

C 251841-01

MISCELLANEOUS

Noise Filter 251264-01

Crystal

14.31818

MHZ 251081-01

Line

Filter 906127-01

Sub: Sub: 251701-01

Crystal

14.31818

MHZ 251081-02 Sub:

Y2 Crystal

1.8432

MHZ 900555-02 L3,L3 Coil Inductor 1.2 uHpt 901152-01

Sub: 325570-01

SW1

Switch, Rocker C 251587-01

(PC

Mount)

Fuse

250V

1.5A

903556-18

SW2 Switch,

Push

Button C 251260-01

Fuse

Clip 906102-01

Cartridge Guide 310171-01

Modulator C 251844-01 Shield

Box

C310172-01

Sub: Shield

Cap

C 310173-01

Modulator 251311-01

C - Commodore Stock Part

Altri manuali per Plus 4

Indice

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