Commodore C16 - Service Manual Preliminary.pdf

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SERVICE MANUAL
MODEL C16 COMPUTER
Preliminary
OCT. 1984
PN-314001-03
Commodore Business Machines, Inc.
1200 Wilson Drive, West Chester, Pennsylvania 19380
U.S.A.
Commodore makes no expressed or implied war-
ranties with regard to the information contained
herein. The information iS,made available solely on
an as is basis, and the entire risk as to quality and
accuracy is with the user. Commodore shall not be
liable for any consequential or incidental damages
in connection with the use of the information con-
tained herein. The listing of any available replace-
ment part herein does not constitute in any case
a recommendation, warranty or guaranty as to
quality or suitability of such replacement part.
Reproduction or use without expressed permission,
of editorial or pictorial content, in any matter is
prohibited.
This manual contains copyrighted and proprietary information. No part
of this publication may be reproduced, stored in a retrieval system, or
transmitted in any form or by any means, electronic, mechanical,
photocopying, recording or otherwise, without the prior written permis-
sion of Commodore Electronics limited.
Copyright
©
1984 by Commodore Electronics limited.
All rights reserved.
CONTENTS
Title
Page
SPECIFICA TIONS
PRODUCT PARTS LIST ......................................................................................... .
CASEWORK IDENTIFICATION ................................................................................ .
PCB LAYOUT ....................................................................................................... .
PCB PARTS LiST .................................................................................................. .
PCB SCHEMATIC DIAGRAMS ................................................................................ .
KEYBOARD MATRIX ............................................................................................. .
I.C. PINOUTS FOR MOS DESIGN ........................................................................... .
RF MODULATOR LAYOUT .................................................................................... .
RF MODULATOR SCHEMATIC ............................................................................... .
1
3
3
4
5
7
8
9
10
10
iii/iv
C16 PRODUCT SPECIFICATION
MEMORY
16K RAM Standard
ROM
32K ROM Standard (includes operating system and BASIC interpreter).
MICROPROCESSOR
7501/8501 Microprocessor with a two speed clock (.89 or 1.76 MHz).
DISPLAY
40 Columns x 25 lines of text.
COLORS
121 Colors (1 5 colors; 8 luminance levels and Black).
CHARACTERS
Upper
&
lower case letters, numerals and symbols. Reverse and flashing characters. All PET graphic
characters.
DISPLAY MODES
Text characters. High resolution graphics. Split screen text/high resolution graphics. MultiColor graphics.
Split screen/multi-color graphics.
RESOLUTION
320 x 200 Pixels
SOUND
2 Tone generators or 1 Tone and 1 noise generator.
VOLUME
8 Volume levels
KEYBOARD
Full size/full stroke C64 style design.
KEYS
66 Keys total. 4 Cursor control keys. 4 Function keys (up to 8 user defined/programmable functions
possible). Color control keys. HELP key. Upper and lower case character set.
INPUTS/OUTPUTS
Serial port. ROM cartridge and parallel disk drive port. 2 Joystick ports. C 1531 Cassette drive inter-
face port. RF Output - channel 3 or 4. Video output - composite/chrominance/luminance, audio
input/output. Power supply input.

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