Commodore C16 Service Manual
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
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
...............................................................................
.
Page
1
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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.
FEATURES
Built-in BASIC
3.5
- over
100
commands, statements and functions. Built-in Machine Language
Monitor
- over
12
commands. Built-in graphics and sound commands. Screen
window
capability.
Extended screen editor.
PERIPHERALS
C1541 Disk drive, C1551 Fast Disk Drive, C1531 Datasette, MPS
802
Dot
matrix printer, MPS
803
Dot matrix printer,
DPS
1101 Daisy wheel printer,
C1520
Plotter/Printer,
C1802/1803
Color monitor,
C
1702
Color monitor.
2
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