Commodore PC 10-1, PC 10-2, PC 10-Ill Service Manual

APRIL,

\

SERVICE

PC

1989

MANUAL

10-1/10-2/10-Ill

PN-314860-01

|

I

&

Commodore

SERVICE

MANUAL

APRIL,

Commodore

1200

Wilson

PC

10-1/10-2/10-Ill

1989

Drive,

Commodore
ranties

herein.
an
accuracy
liable
in

tained

ment

a
quality

Reproduction
of

prohibited.

with

The

as

is

basis,

is

for

any

connection

herein.

part

recommendation,

or

editorial

Business

West

Chester,

makes
regard

information

with

consequential

herein

suitability

or

and

the

the

with

the

The

listing

does

or

use

pictorial

no
to

user.

without

expressed

the

information

is

made

entire

Commodore

or

use

of

of

any

not

constitute

warranty

of

such

expressed

content,

PN-314860-01

Machines,

Pennsylvania

or

implied

contained

available

risk

as

incidental

the

information

available

or

replacement

in

solely

to

quality

shall

damages

in

any

guaranty

permission,

any

matter

replace-

Inc.

19380

war-

on

and

not

be

con-

case

as

to

part.

U.S.A.

is

This

manual

of

this
transmitted
photocopying,

sion

of

contains

publication

in

any

recording

Commodore

Copyright © 1989
All

rights

reserved.

copyrighted

may

be

reproduced,

form

or

or

Electronics

by

Commodore

and

by

any

otherwise,

Limited.

proprietary

stored

means,

without

Electronics

information.
in a retrieval
electronic,
the

prior

mechanical,

written

Limited.

No

system,

permis-

part

or

PC10-1/10-2/10-ll

CONTENTS

SERVICE

MANUAL

TITLE

SPECIFICATIONS

-SPECIFICATIONS
BLOCK
BOARD

MAJOR

PCB

DIAGRAM
LAYOUT
PARTS

ASSEMBLY

PARTS

BOARD
SCHEMATIC
SCHEMATIC
SCHEMATIC

SCHEMATIC
SCHEMATIC
SCHEMATIC

LIST

LAYOUT

PAGE

PCIHO-1
PCIO-2

anücnnannnnnnnennnnnnnnnnnnnnnnnenssnnsnnnnnnnenenssnnnsssssnsesnsnnsnsnussnssnnnnunsnsanennnnnssssnsnnnennennenenee

...cccessennnannnnnnonennnnnennnnnnsnnnnnnunnnsnsssssnnnnsssnssnnnnnnsssnsnnnsssssssnsesssssssonnnssssnsnusenennennen

.ceeneeeceeennnnnenennenennnnnnnenneennnnensnnnnensnsnnnnnensnsnssnsnsssssessnnsssnnnenssnnnesssssnsansnsnnrene

LIST

#380064

..anseennannasnannensnnnnnnnnnnsnenennnnnunsnnnnnnssnnssnsnnnssnsnnnsnnsnssnnnsnnnnnnnnnannnnnsnnssensnnsnnnn

(sheet 1 0f
(sheet 2 0f

(sheet 3 0f
(sheet 4 0f
(sheet 5 0f
(sheet 6 0f

scseseccaananeenennnnennennnenennsnsnennnnnnnsnsunnenssenssnunnnnsnunsnsnnansnsnnnnnsnsannnanerennnen

.uueseesseeseennserssersersesnenensesnenstnnsnssnsnnensnnnnennnnnnnnnonsenonsnnnonsnennnsorsnnsnnee

.cceeaseeesssnennnnsnensnsssnnnnnnnnsnnnnnnnsnnnonsnsnssnsnsenenssnnenssensnnsensnnenssnansssnsssnnntenne

8)

.....zuusseesessneeseensenseenennnensesssnnnnsnnensnnsnnnnannnnnnnonsnnsnonnnnnonsnnssarna

8)

........uursssessennssnsnsnnesnnnsnnnnnnnssnensnnsnnssnnnsnnanennnnnonsnssnonssnonnnrsnne

8)

..........2sssssssnssnnsssnnnnnnessenssnnnnensnnssonsnnssnensnnssnnnanssnnnnonsnnnannnannn

8)

...........4uuus20s0nsrsnnnsnsnnsnsnnnnnnnnsnnnsnnennnnnssnnnnnonsnnnnsnnennnenssnenennnanen

8)

..............22s22s0snunnnsnnnnnnunsnnnnnnnsnnunnnsnnnnansnnnnnsnssnnnnsnnsnsnnnsnnnnnnne

8)

.....uunereennennnnnnsennnnennnnnnennnnntnnnonnsnonsnsnnnsnnnnsnonnnnnensnnnnonsnnnnnnnne

1
2
3

3
4

5

7
8
9

10

11
12
13

SCHEMATIC

SCHEMATIC

RAM

EXPANDER

PARTS
BOARD

SCHEMATIC

MAJOR
PC10-1,

MEMORY
SWITCH
ATI
FLOPPY
HD

BIOS

LIST

LAYOUT

VENDORS

PC10-2

CARD

MOUNTING

SELF

(sheet 7 0f

(sheet 8 of

..........2222220000usnnnsnnsnnnnnnnnunssnnnonnnnnunsnnnnnnnnnnnsnnnenssnnnsssssnansennnnssssssnnssssssnonnnennnns

.....22222222400nenennnnnnnnnnnenennnnnensnnnensnnnnnnnsnonnnssonsnannssssensnansnnnssssnnssssnnnsnssssnnne

.......

Sabukennununussussuunsnnnennusnussunnnuensssnennnssnnsnsenunnsunnnnnunnnannnsssntohnesssusnssssenhesnssnsues

LIST

.......2csssuesssssssnnnnnssnsnnnnnunnennnnnsnnnnnnnnnnnnnsnenssnnnsnnnsssnsssssnssssonsnsssnsssssnnnnnne

MAP

.nneeesssssssnnensssssonsnnsnsnsensnnsnsensonssnsnnenssnnensnnnsnnnnnnsssnnsssanssnnsnsnnssssssssesnsnsnsnnn

SETTING

SWITCH

DRIVE

TEST

(MAIN

(CHINON
KIT

ERROR

8)

..........uu@2200s44400neeennennnnnnnnnunennsnnenenennnnnnnnnnnnnnnnsnnssnsnsssnsnssnnnnnnne

8)

............uussssssssennesnnnnnsnnnnnnnnenunnnnnsnsnnonsnsnnnssnnsnensnsssnnnnnsnnnnnansnen

PCB)

SETTING

F502)

.....eeeneesunnsenssnssnnenonsonnaennesnnennenansnnnnnnansnsnensennssnsssssnssssessnnnsanssnsnnnannnn

......uuessesesesssneseenensonnnennnnnnnnnenonsnnnnnnnnnnennrnnnsesnsnsnsssnssnnsnnn

....eeseesssnsssessssnnnonesnennennnnnnannnonnnnnnsnnsnensannnnnnssssssnssssssssnsennn

TERMINATORS

MESSAGE

....uueessessnssesennennnnnnnennnnsnnnnnnnnnnnsnnsnsnnsnnenssnnnsannnnnn

.....u..cussersorsnessnennrsnnsennnsnssnnesnennennnenenen

14

15

16
16

16

17

18

19
20
21

22

23

25

PC10-1/10-2/10-1l

SERVICE

MANUAL

TITLE
PC10-II1

TECHNICAL

DIP
JUMPER
CONNECTOR

MAJOR
COMPONENT
PCB
SCHEMATICS
MEMORY
MONITOR

4.36

SWITCH

SETTINGS

PARTS

LAYOUT

MAP

PROGRAM

BIOS

NOTES

CONTENTS

(continued)

PAGE

SPECIFICATIONS

SETTINGS

snnaesanennnnnnnennnnnennnnnnnnnnnnnnnnennannnnnnnannnnnnnnnnnnnnnnnnnnnnnnnnnnnannnnnnenene

..........

Unnnnenssnssnssnssnssssennsnnssnssnssnsensensnntentnnennnnnnsnenstsenenen

auananassnsnnaneenennnnnnnennennnnnnunnnnnnnennennnnnnnnennasnnnnasnnnnnennsnnnnennennnnnnnnnenennn

PIN

OUTS

LIST

PARTS

snnenseensennnnnenennennennnennnnnnnnnnnnnnnnnnnnnsnneneennennnannannnnnnnennennenannenenn

sannnarsesennnnnnnnnnnnnnnnnnnnnnennnnnennennennennnsnesnnennnennenannnennnnennennenennnnnenenaneen

LIST

acenessenenenenennensnnennnennnnnnnnnnnennnnnnnnannennannnanennnennnnennnnennnnennnne
seenaesansnennnennnnnnennennnnannenennennenennnnnnnnnnnnannsnnnnnnnnnnnnnnsnnnnnnennennnnnnnsnnennnnennnnnnennn
aceannennnnannnnnnnnnnnennnnennanennennennensansenennnnnnennnnnnunnnnnnnnsnnennennennennnnnnnenennenenenenn

annnensnaeseneeenneen

Teannennsnnenusunsnussnssnsenusensennsennennnennsennsensennssnennssnnensnnnnnennnnnnne

..uassnsssensanensnnennnnnnnnnnennennsnnnennnnnennsnnennnnnennonnnnnennnnnnnennnnennnnannennnne

ünaeareasenennenennenennenannnnannnnnnnnnnnnnnnnnennnnnnennennnennnnnnnnnnennennnnnnnnnnnnnnnnnnnnnnnne

26
27
28

29
30

31
33
34

40
41

42
KEYBOARD
POWER
POWER

POWER

SUPPLY
SUPPLY

SUPPLY

SCHEMATIC

SCHEMATIC
PCB

LAYOUT

PARTS

..uneasssenssnsensnnannennsunsennennennnennnennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnnenn

cneeasessnssnssnnsnnsannnnennnnnnnennnnnnnnnnnnennnennnnnennnennnnnnnnnnnnnnennnen

cnessssenssnsnnennennansennsnnnunannnnansannennennsennensansensennennnnennennnnnnen

LIST

........22sssssssssnsnonnennnnnnnnssnsonnsnnsnnnnnssnnnsnnsnsonsnensnnnsnnnnenenennne

43
44
45

46

PC10-1/10-2/10-ll

SPECIFICATIONS

SERVICE

MANUAL

MEMORY

ROM
RAM
RAM

EXPANDABLE

ON

BOARD

ON

SLOTS

CPU

TYPE

CLOCK

8087
NUMBER
OPERATING

KEYBOARD

NUMBER

TYPE

NUMERIC
FUNCTION

POWER

OUTPUT
MAXIMUM

INPUT/OUTPUT

RS-232C
CENTRONICS

STORAGE

FLOPPY
FLOPPY
HARD

VIDEO

ATI
e

e

AUDIO

POLYPHONIC

SPEED

MATH

SUPPLY

DRIVE

"GRAPHICS

MODES

1)

MONOCHORME

2)

COLOR/GRAPHICS

3)

HERCULES

4)

PLANTRONICS

5)

EMULATION
ADAPTER

TEXT

132 x 25

132 x 44

e

GRAPHICS

320 x 200

640 x 200

720 x 348

e

COMPATIBLE

IBM
RGBI
COMPOSITE

CO-PROCESSOR

OF

SLOTS

SYSTEM

OF

KEYS

KEYPAD

KEYS

RATING

CONFIGURATION

PORTS

SERIAL

PARALLEL

DRIVE
DRIVES

MODES

40 x 25
80 x 25

CONTROLLER

SOLUTION”

MONO

OF

ON

MODES

(4

OR

(2,

(HERCULES

MONITORS

COMPATIBLE

COLOR

TONES

ADAPTER

ADAPTER

GRAPHIC

COLORPLUS

COLOR/GRAPHICS

MONOCHROME

16

COLORS)

4,

OR

TTL

COLOR

SUPPORTED

ADAPTER

16

COLORS)

COMPATIBLE)

MONOCHROME

OR

MONOCHROME

PC10-1

ADAPTER

ADAPTER

MONITOR

PHOENIX
512K

BIOS

WITH

PARITY

YES
YES

8088

4.77

MHz

SOCKET
5

FULL

MS-DOS

85
TYPEWRITER
YES

10

112
TWO

+ 5 EXPANSION

BUILT-IN
BUILT-IN

BUILT-IN
SINGLE
OPTIONAL
FULL

STANDARD

YES

ON

LENGTH

3.2

WATTS

FLOPPY

SUPPORTS

HALF-HEIGHT

BRACKETS

HEIGHT

BOARD

(16K)

STYLE

DRIVES + 40

CARDS

FOUR

FOR

MB

HARD

DRIVES

HALF

OR

DRIVE

MEMORY

ROM
RAM
RAM

EXPANDABLE

ON

BOARD

ON

SLOTS

CPU

TYPE

CLOCK

8087
NUMBER
OPERATING SYSTEM

KEYBOARD

NUMBER

TYPE

NUMERIC
FUNCTION

POWER

OUTPUT
MAXIMUM

INPUT/OUTPUT

RS-232C
CENTRONICS

STORAGE

FLOPPY
FLOPPY
HARD

VIDEO

ATI

e

e

e

e

AUDIO

POLYPHONIC

SPEED

MATH

SUPPLY

"GRAPHICS

MODES

1)

2)

3)

4)

5)

TEXT

GRAPHICS

COMPATIBLE

CO-PROCESSOR

OF

SLOTS

OF

KEYS

KEYPAD

KEYS

RATING

CONFIGURATION

PORTS

SERIAL

DRIVE
DRIVES

DRIVE

MONOCHORME
COLOR/GRAPHICS
HERCULES
PLANTRONICS
EMULATION
ADAPTER

MODES

40x25

80 x 25

132 x 25

132 x 44

320 x 200
640 x 200

720 x 348

IBM

COMPATIBLE

RGBI

COLOR

COMPOSITE

TONES

PARALLEL

CONTROLLER

SOLUTION”

ADAPTER

MONO

COLORPLUS

OF

COLOR/GRAPHICS

ON

MONOCHROME

MODES

(4

OR

16

(2,

4,

OR

(HERCULES

MONITORS

COLOR

ADAPTER
GRAPHIC

COLORS)

16

TTL

PC10-1/10-2/10-ll

SPECIFICATIONS

PC10-2

PHOENIX
620K

N/A
N/A

8088

4.77

SOCKET
5

FULL

MS-DOS

85
TYPEWRITER
YES

10

112

SUPPORTED

ADAPTER

ADAPTER

ADAPTER

MONITOR

COLORS)

COMPATIBLE)

MONOCHROME

OR

MONOCHROME

TWO

+ 5 EXPANSION

BUILT-IN
BUILT-IN

BUILT-IN
DUAL
OPTIONAL
FULL

STANDARD

YES

BIOS

WITH

PARITY

MHz

ON

BOARD

LENGTH

3.2

STYLE

WATTS

FLOPPY

HALF-HEIGHT

HEIGHT

DRIVES + 40

SUPPORTS

BRACKETS

(16K)

CARDS

SERVICE

MB

FOUR

DRIVES

FOR

HALF

MANUAL

HARD

OR

DRIVE

A = 8088

CPU

B =

8087

coprocessor

C = Interrupt

controller

DMA

=

D
E =

System

PAL

switch

Floppy

registers

address

controller

F = Timer
G=
H = ROM/EPROM
I = DIP
J = Keyboard
K =

BOARD

controller

decoder

BIOS

interface

LAYOUT

L = Parallel
M=

Serial

N = I/O

=

O
Q = Parallel
R = Internal
S = Loudspeaker
T =
U = Power
V = J14

interface

interface

expansion

keyboard

Internal

printer
serial

Floppy

activity

connector

Serial,

configuration

Parallel,

slots

connector

connector

connector

connector

LED

connector

and

jumpers

Floppy

14.318

MHz

ı0
Register

“

8088
MAIN-

PROCESSOR

8087
c0­PROCESSOR

8288
BUS-

CTRL

A12-A19

74
LS

825100

A16-A19

714
LS

AB-A15

74
LS

PC10-1/10-2/10-1ll

D0-07

74 | 0-07

ıs

245

PARALLEL

DATA

(PRINTER)

n

02.07 | 74

174

CONTROL

SERIAL

LINES

KEYBOARD

PARALLEL

(PRINTER)

74 | a0-A-3

ASYNCH.
COM.
INTERF.

FDC

FLOPPY
DISK
CONTR.

waData|

CLOCK

MC

1489

DRAVSEL

READ

CLOCK

CONTROL

74
LS | wRDATA

175

74 LS

GEN.

1-4

-

CONTROL

CONTROL
VOLTAGE

629

SERIAL

SERIAL

DATA

CONTROL

WADATA

CLOCK

BLOCK

SERVICE

LINES

(RS

FREQUENCY

MANUAL

232)

FLOPPY

DRIVES

DATA INPUT

DRIVE

DATA

ADJUST

DIAGRAM

INTERFACE

1-4

CONTROL

OUTPUT

PC10-1/10-2/10-Ill

SERVICE

MANUAL

MAJOR

PC10-1
PC10-2

MAIN
TOP

BOTTOM
FRONT
POWER
KEYBOARD

PCB
PCB
PCB

(SINGLE
(DUAL

ASSEMBLY

HOUSING

PANEL

CORD

ASSEMBLY

ASSEMBLY
ASSEMBLY

PARTS

DRIVE,

DRIVE,

HOUSING

ASSEMBLY

COMBINED

RAM
RAM

512K)

640K)

EXP
EXP

384K
256K

LIST

MAIN

BOARD

PC10-1/PC10-2

312200-01
312200-03

380073-01
380101-01
380100-02
380

102-01
903508-04
380008-02

380064-01
380065-01
380065-02

PCB

ASSEMBLY

FLOPPY

SPEAKER
POWER

POWER

POWER
CABLE
CABLE

CABLE

DOS

BASIC

ASSEMBLY
ASSEMBLY
ASSEMBLY

MANUAL

MANUAL

DISK

SUPPLY
SUPPLY
ON

DRIVE

ASSEMBLY

LED

ATI

(MONO/COLOR

ASSEMBLY
ASSEMBLY

ASSEMBLY

-

KEYBOARD

-

RS232

-

DRIVE

SUB:

CONNECTOR

VIDEO)

380069-01
380111-01

8256099-03
380021-02
390138-01
380016-01
380017-01

312208-01
380012-02

319905-01
319906-01

PC10-1/10-2/10-ll

SERVICE

MANUAL

PARTS

PCB

Commodore

Industry

chips,

INTEGRATED

U1,45
11,69,72 | 741574 D Type
U2,45,73

U3
U6
u7
U8
U9,17

51,76

u2

U13,52,
55

u14

U15

U16

U18,21,

42,56,43 | 74LS245
U19
U20
U22-U30 | Dram
U31
U32,33

U34
U35

U36

U37

U38
U39

U40

UA
U44
U46,58,
61
U47
U48

U49

U50
U53
U54

U57
U59
U60

U62
U63
U64

U65

U66-68

part

standard

Transistors,

_

741504

|

7407
741LS08

7418155
7415273

_

7415244

7a1.8870

_
7418373

8237A-5

8259A
8253A-5

_

74LS367 6 Bit
74L5257

74LS11

74HCT158

745280
74HCT32

Delay

74500

16L8
7700

7700

BIOS
74LS02
_
74LS175 4 Bit
74574 D Type
8288

8087

8088
8284A
74ALS11

741LS163

7415629

1691

74LS123
7415174 6 Bit
„PD765AC-2

741514

7438

numbers

parts

etc.

CIRCUITS

Sub:

Sub:

Sub:

are

provided

(Resistors,

are

available

Inverter

Buffer

AND

Bit

8

Bit

8

i

Register

Latch

D

Capacitors,

in

Flip F 901521-06

D-FF

Buffer

Fie

DMACnti

Intrpt

Cntr

Timer

Buffer

Buffer

MUX

256Kx1

Line

NAND

PAL
PLA

PLA

EPROM

Bus

Co-Processor

CPU

CIk

Data

NAND/OC

150ns

AND

MUX

745158

Parity

MUX

Gen

OR 380227-01

50ns

Decode2

FPLA

82S100

Decode1

FPLA

825100

27128

NOR

D-FF

FlipFlop

Cntrl

5MHz
Gen

AND

Counter

VCO

Separator

Monoflop

D-FF

FDC

Schmitt-Trig

ASSY.

for

reference

Connectors)

manual

form

through

901521-02
901522-30

901521-03
901521-79
901521-42

901521-13

901521-72

soisaı.g2

901521-29

380203-01

901874-01

380202-01

901521-46
901521-47
901521-57
380223-01
901521-80
380227-04
901525-31
901525-29

324667-01

901525-04

380257-01
380212-08

9380212-08

380212-07

380212-07
380258-03
901521-21

901521-34
901525-09
901876-01

380201-01

380200-01
901875-01
380230-02

901521-33
901521-84
380207-01

901521-49
901521-63
380206-01

901521-30

901522-09

LIST

#380064

only

and

do

not

should

the

INTEGRATED

U70
Uri

U74
U75
U77
U78
U79

DIODES

D2.D8

|]

Di

||

RFSISTORS

R1-4,16,

18,29,30

R24
R13
R31
R32
R17
R8-12,19,
20,23,27 | 2K2

R5,21

GAPACITORS

C84.C95 | Ceramic

C96
c97 Ceramic

C102

C81-83,

161-169
c101
C107-114,

126-145
C1-6,11-13,

17-21,31,35,
37,42-44,46,

47,51,52,54,

58,61,66-70,
73,77,78
C14-16,22-

30,32,33,34,
36,38-41,
48-50,53,56,

59,60,64,71,
80,99,100,

115-125,1461

148,158-160

170,171

indicate

be

secured

Service

the

locally.

Department,

CIRCUITS

74LS125
8250

ACI
74175
7415365 6 Bit
7415374 D Type
MC1489

MC1488

4001

N

1

|

1N

4148

—

Al

values

33

ohm

68

ohm

220

ohm

540

ohm

820

ohm

1K2

ohm

ohm

4K7

ohm

Ceramic

Ceramic

Ceramic
Ceramic

Ceramic

Ceramic

Ceramic

availability

Approved

order

#314000-01.

(continued)

Buffer

D-FF

Bit

4

Buffer

FF

Line

Recvr
Driver

Line

1A/S0V

50mA/50V

.

are

In

R28

R22

R25
R26
R14,15
R33

2200

pF,

22

pF,

47

pF,

82

pF,

100

pF,

150

pF,

1000

pF,

0.1

„F,

50V

0.22

„F,

of

parts

from

cross-references

901521-20
380205-01

901522-43
901521-48
901521-43
901524-07

901524-06

900750-01

900850-01

onmscut

W

50V

50V
50V

50V

100V

50V

25V

50V

Commodore.

for

TTL

8K2

ohm

10K

ohm

47K

ohm

82K

ohm

1M

ohm

Trimmer

0.1W

2K2

(Valvo,

ECP

10

Type

'‘S”)

PC10-1/10-2/10-1ll

SERVICE

MANUAL

PARTS

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C98
C149-157,

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C172

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900555-02
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PARTS

LIST

Commodore
Industry
chips,

INTEGRATED

U1-9
U12-15

U10,11

CAPACITORS

C16
C1-15

standard

Transistors,

numbers

part

parts

etc.

CIRCUITS

4256

256Kx1

4464

64Kx4

4164

64Kx1

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Ceramic

provided

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Dram

Dram

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474F

0.224F

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reference

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manual

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380256-01

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be

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Ri
RA

CONNECTORS

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33
4x33

CNNT
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availability

the

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ohm

SIP

34P

1-166

of

#314000-01.

Female

592-7)

Commodore.

from

parts

cross-references

38031

1-01

for

TTL

ASSY.

°

380065

FAB.

380382

LL)CLLIC_)

ug

1

NO.

NO.

c9

U10

c1

C10

u2

|

u11

c11

22

|

"

u3

Ri

63

DIDI

171

ca

|

+

6

5

c1

L_)LICLIC)

u12

C16

2

I

c6

U6 u7

2

|

13

13

14

c7

1

C14

c8

u8

C15

u15

2

1985

34

COMMODORE

RAM

EXTENSION

PC

RAM

EXPANSION

3%

Pin

1

6

.

18

19

20

23

2

2,

29

31

32

34

33

l

2

13

*
26

“

30

ı5

MAD

MAI

MA®

7

RASI

sv

GNDd

RAS2

RAS3

or

E

CONNECTOR

Ja

gr

"2

T

R.-PACK

0

4x33

on

ı

t

Ey

ce

Arp

A6V

|

4

R.-PACK

1

I

rt!

—

m

T

l

.

RAI

RAI

>

+5V

\

V

v

ME

ME

.

7°

ma

Pr

MAS

MA

MAL

MN

MA%

MAL

MAY

A]

—l?

MAT

Mar

|

a

Un

Wlız

13

ah

Aa

Sic

10

Alyr

[6ER

5

64

N,

AS

AY

9

Ar

DAr

WE

DI

e

CAS

1773

=

6

RAS“

20

2]

mı|

aan

Sa

YxbuKx

RAC_|

5

%#I

u

-U1s

%I

27

Man

Alan)

Sa]

DRAH

4

|

RAS

5

ax

x

%#T

2
Mal

Asa

SIR],

vecl

_Mlıe

RAS

g

256

x

ul-u9

9

20

MD+

r

a

7

Kxl

DRAM

2

Ms|

kx

c12

PC10-1/10-2/10-1ll

Ra

MD6

45V

022r

-CI5

SCHEMATIC:

Ma

q

a7

El

Al

<

A

RR

Ihr

zn

A6

Ir

IE

\g

5

Ivy

Ei

or

RAc

%

DI_

Ha

|

2

Do

K

6H

2x

DRAN

I

u1o-uu

RAS

4

Vec

GND

20

I

20],

wet

vec|®

emD

RAM

SERVICE

Q®

16

nc

\as

EXPANDER

I

MANUAL

0.22

9x

CI-C

-C9

oo

OQur

2x

cId-

+5V

ä

+5V

cu

16

PC10-1/10-2/10-1ll

SERVICE

MANUAL

PART

NUMBER

380200-01

380202-01

380203-01
380205-01

380206-01
380223-01

324667-01

380207-01
901524-06

901524-07

APPROVED

PCB

DESCRIPTION
IC

LSI

IC

LSI

IC

LSI

IC

LSI

IC

LSI

IC

MEM

IC

DIGITAL

IC

LSI

IC

LIN

IC

LIN

ASSY.

MPU

PRGM

DMA-CNTRL
ACI

8250

FDC

DRAM

DATA

LINE

LINE

COMBINED

8088

UPD765

DELAY

5MHZ

INTVAL

D8237AC-5

256KX1BIT

LINE

SEPARATOR

DRIVER

DRIVER

VENDORS

TIMER

150NS

1691

MC1488

MC1489

8253

LIST

MAIN

VENDOR
AMD

INTEL
NEC
SIEMENS
AMD

INTEL

NEC

NEC

NEC
NSC
WESTERN
NEC
FUJITSU
HITACHI
MATSUSHITA
NEC
OKI
SAMSUNG
SHARP
TI
TOSHIBA

BEL

DATATRONIC

NYTRONICS

PCA

PULSE
WESTERN

FAIRCHILD
MOTOROLA
SIGNETICS
MOTOROLA
NSC
SIGNETICS

BOARD

NAME

DIGI

ELECT

ENG

DIGI

VENDOR

AM8088
8088
4PD8088
SAB8088

P8253-5
P8253-5
VPD8253C-2
VPD8253C-5
D

8237

INS8250AN

WD8250PL

VPD
MB81256-15
HM50256P-15
MN41256-15
D41256C-15
MSM41256-15
KM41256-15
LH21256-15

TMS4256-15NL
TMM41256P-15
0447-0250-02

DL6310
DDL-250F
EP8205

21214
WD1691

UA1488PC
MC
MC1488
MC1489
MC1489
MC1489

PART

AC-5

765AC-2

1488

NO.

PART

NUMBER

380223-01

380256-01

901505-02

PCB

DESCRIPTION
IC

IC
IC

MEM

MEM
MEM

DRAM

DRAM

DRAM

ASSY.

256KX1BIT

64KX4BIT
64KX1BIT

RAM

EXPANSION

150NS

TI
TOSHIBA
TI
TI

150NS

OKI
SHARP
TOSHIBA

CARD

VENDOR

FUJITSU
HITACHI
MATSUSHITA
NEC
OKI
SAMSUNG
SHARP

FUJITSU
HITACHI
MICRON
NEC

NAME

VENDOR

MBB1256-15
HM50256P-15
MN41256-15
D41256C-15
MSM41256-15
KM41256-15
LH21256-15

TMS4256-15NL

TMM41256P-15
TMS
TMS

MB8264-15P-G

HM4864-2

MT4264-2

UPD4164C-15

MSM3764-15RS

LH2164-15
TMM4164P-3

4464
4464

PART

JL-15

NL-15

NO.

17

PC10-1/10-2/10-Ill

SERVICE

MANUAL

PC10-1,

Usage

00000-003FF
00400-004FF
00500-3FFFF
40000-7FFFF
80000-9FFFF
AO0000-AFFFF
BO000-BOFFF

B1000-B3FFF
B4000-B7FFF

B8000-BFFFF
C0000-C7FFF
C8000-C9FFF
CAO000-FBFFF

FC000-FFFFF

00000
3FFFF
40000

I9FFFF

A0000

AFFFF

B0000
B3FFF

B4000

B7FFF
B8000

BFFFF
C0000
C7FFF
C8000
CIFFF
CAO00

FBFFF

FC000

FFFFF

PC10-2

Address

1K

256
255K
256K

128K

64K

4K
12K
16K

32K
32K

8K

200K

16K

256 K standard

MEMORY

Size

Interrupt
BIOS/DOS
DOS/User
User
User
Reserved
Monochrome

Additional

Reserved

Color

Reserved
Hard
Reserved
BIOS

Memory

Monochrome

Diagnostics

Hard

expansion

Reserved

Reserved

Color

disk

Reserved

BIOS

video

vectors

data

RAM
RAM
RAM

monochrome

video

(diagnostics

disk

BIOS

ROM

(version

memory

video

or

Video

BIOS

video

RAM

MAP

area

RAM

video

RAM

or

video

ROM)

(on

controller

1D

is

only

card)

8K)

18

PC10-1/10-2/10-Ill

SERVICE

MANUAL

PC10-1,

System

System

10-2

DIP

Switch

1

2

3,4

5,6
7,8

RAM

Switch

3,4

ON,
OFF,
ON,

OFF,

MAIN

Switches

No.

Installed

No.

ON

ON

OFF

OFF

PCB

(Located

Function

OFF:

ON:
OFF:

ON:

System

Default
Number

Boot

System

8087

8087

not

RAM

video

of

SWITCH

on

Main

diagnostic

installed

configuration

mode

floppy

Ram

PCB)

installed

drives

Size

128

KB

256

KB

512

KB

640

KB

SETTINGS

installed

Default

Switch

OFF,
ON,

OFF,

Number

Switch

OFF,

Video

5,6

ON,

of

7,8

ON,
OFF,
ON,

No.

ON

ON

OFF

OFF

Floppy

No.

ON

ON

OFF

OFF

Mode

Function

Monochrome
Color
Color
Monochrome

Drives

Number

40 x 25
80 x 25

Installed

of

installed

40 x 25

(B&W

(B&W

80 x 25

1
2
3
4

mode)
mode)

drives

19

PC10-1/10-2/10-Ill

SERVICE

MANUAL

Note:

PC10-1,

Numerals
indicate
numbers.

on

figure

switch

10-2

[

ATI

Color

Monochrome

ALWAYS

OFF

VIDEO

Composite
Monochrome
IBM

Composite

Monitor

Enhanced

Monitor

6

|

CARD

Default

Mono

Color

Emulation

Type

or

RGB

5

ON

OFF

SWITCH

Display

4

ON
OFF|ON
OFF

Mode

|OFF

|OFF

3

2

1

OFFION

ON

IOFF

OFF

|OFF

SETTINGS

Default
Emulation

Color/Graphics

Monochrome

Video

Mode

ALWAYS

8 7

ATI

Mode

ON

°

1

Graphics

|

Solution

°

N

Switch

oO

)

Settings

DIP — Switch

SWw5

ON
ON

OFF

SW6

OFF
OFF
OFF

Commodore

PC

Switch

Settings

on

Motherboard.

20

J1

—

—

J1

—

Ji1

—

Ji

J1—

1

Terminator

Drive

2

Drive

3

Drive

4

5

Drive

(Last

Select

Select

Select

Select

O0

1

2

3

device

on

cable)

PC10-1/10-2/10-1ll

O%

5

ar

zur’

PJ6

SERVICE

tr

6

o

RI2

NR:

)-

0

=(Ö)

o°

MANUAL

oF

>

>

8

}

IE

'

h

=:

Zi

m“

ce

sg

«©

”

n

g°

H.

6

E

©

o

0

f

.

;

©

ao.

I

8

ca

ı

I

1

UN

SZ:

za

—;Cm

R9

Bas

4

9°

“1

sd

Pu

an

P*

”

2

©

00

2:2

2

Jl

-

sei:

5

5

-

Jı1-4

1-5

ern

8

I

<

ü

Ic2

-UD-

1

«In

[ee]

PJS

R39

EIRPR

=

3

N

35

PC10-1,

10-2

\

Drive

INTENTID

—

Chinon

F502

Type

gMiı

R3O

«up

R31

“«UD-

21

PC10-1/10-2/10-1ll

SERVICE

MANUAL

A)

Assemble

B)

Remove

C)

Remove

D)

Mount

E)

Slide

chassis

F)

Connect

G)

Reinstall

H)

Test

I)

Reassemble

PLEASE

PC10-1,

hard

top

cover

Ram

expansion

hard

drive

hard

drive

with

two

all

necessary

Ram

expansion

unit.

Software

top

NOTE:

Commodore

10-2

For

disk

bracket

of

PC10

onto

and

bracket

screws.

installation

housing.

Hard

HD

according

(5

card

brackets

into

cables

card.

and

Service

Drive

Mounting

to

installation

screws

from

with 4 screws.

housing

(These

will

on

rear

main

initialization

not

board.

space

are

issue

supplied

Mounting

Kit

diagram

and 2 screws

provided

with

procedures

any

credits

Instructions

#380042-01

on

next

third

are

included

for

installation

enclosed

sides).

to

the

party

with

floppy

hardware).

with

third

labor

this

drive

party

of

third

section.

and

fasten

hard

party

to

the

disk

units.

hardware.

Mounting

ITEM

1
2
3
4
5
6

Assembly

PART

PC10-1,

NUMBER

380124-01
380125-01
312219-01
906800-03
907272-06
905635-04

10-2

Hard

SUB

PLATE
SHOCK
SCREW
WASHER
WASHER

Drive

CHASSIS

HOLDING

ABSORBER

PHL PAN

(Revision

DESCRIPTION

HARD

HARD

HD

FLAT

M4.3

LOCK

EXT

A)

Kit

DISK

DISK

RUBBER

M3

TOOTH

#380042-01

M4

22

PC10-1/10-2/10-1ll

SERVICE

MANUAL

The

Commodore

are

completed

is

essential

ure

of

non

the

test.

All

errors

are

treated

the

diagnostic

The

various

ERROR

CODE
00

10

PC10-1,

PC

carries

satisfactorily

to

the

operation

essential

below

as

warnings

diagnostic

TEST
CAUSE

CPU/SYSTEM
This

ROM

Action:
TIMER

Occurs
Action:

functions

62

(hex)

tests

OF

error

is

faulty.

system

0,1

if

system

(see

occurs

Timer

10-2

are

so

power

error

tests

ERROR

BUS

BIOS

out a number

the

PC

will

of

the

PC

results

result

fatal

are

ifthe

HALT.

outputs 0 or 1 are

HALT.

in

system

up

continues.

code

as

follows:

CPU

SELF

of

boot

the

errors

FF).

is

faulty,

self

the

in

the

output

TEST

checks

MS-DOS

of

and

DIP

or

too

when

operating

output

the

of

an

error

cause a system

switch 1 on the

system

slow

or

DIAGNOSTICS

it

is

an

code

bus

too

switched

system.

error

code

but

system

is

fast.

halt.

bad

on.

and a system

the

system

Errors

board

(data,

When

Failure

of a test

continues

above

is

used

addr.

all

the

halt.

61

etc.),

tests

that

Fail­with

(hex)

to

loop

orthe

20

30

40

50

60

SYSTEM

System

OUTPUT

Action:

ROM

The

BIOS

logic,

Action:

DMA
Registers

Action:

PROGRAMMABLE
Interrupt

Action:

ADDRESS

All

locations
then
to

one

Action:

PORT,

port

2).

system

CHECKSUM

ROM

or

the

system

CONTROLLER

of

system

controller

system

FAILURE

afterwards

location

system

(61H)

HALT.

does

data

HALT.

the

DMA

HALT.

HALT.

up

to
read

to
HALT.

TIMER

does

2

not

BAD

not

checksum

bus

is

bad.

R/W

controller

INTERRUPT

does

640 K (if

destroy

back

not

and

store

other locations.

control

ERROR

do

CONTROLLER

respond

present)

checked.

to

not

to

are

bits

00.

The

store

timer

filled

Faults

or

timer 2 cannot

ROM

parameters.

interrupt.

with

in

itself

address

address

be

controlled

is

faulty,

dependent

decoding

(GATE

or

the

address

contents

will

cause a write

2,

and

61

BASE

A
Action:

RAM

R/W

storage

system

failure
HALT.

in

the

lower

16 K RAM.

23

PC10-1/10-2/10-Ill

SERVICE

MANUAL

PC10-1,

ERROR

CODE
62

80

81

AO

C1

10-2

TEST

CAUSE
MAIN

R/W

is
Action:
parity

VIDEO

R/W

Action:
VIDEO

No
Action:

KEYBOARD

No
Action:

ROM

An

Action:

by

RAM

storage

bad

or

Print

error)

RAM

storage

Issue

RETRACE

video

Issue

keyboard

Print

SEARCH

extension

Issue two

the

word

OF

ERROR

failure

the

RAM

followed

signal

BIOS

in

DIP

switches

segment

failure

one

one

present,

scan

ROM

ROM.

in

long

found

long

code

1

at

short

SELF

the

by

the

and

or

and

or

of

C0000

and

RAM

size

reflect

in

error

the

words

video

two

retrace

two

key

struck,

stuck

to

one

TEST

specified

the

followed

RAM.

RAM

short

pulses

short

key

C7FFF

long

beep.

DIAGNOSTICS

by

wrong

by

Memory

section.

beeps.

missing.

beeps.

or

bad

(if

any)

(hex)

Print

DIP

switches 3 and

RAM

the

keyboard.

followed

size.

bit

pattern

size

As

set

is

found

segment

(e.g.

AA

is

adjusted

by

DIP

switches.

by

the

word

with a bad

of

ROM

on

(continueg)

4.

Either

or

55)

downwards.

KEY.

checksum.

screen

the

RAM

or

00

(for

followed

C2

1701

DO

E1

E2

FF

ROM

An

ROM

Action:

by
HARD

The

checksum
error

FLOPPY
Bad
Action:

PRINTER
Printer

Action:

SERIAL
Fault

Action:

SYSTEM

Actions:

SEARCH

extension

on

HD

Issue

the

word

DISK

hard

disk

is

is

indicated

DISK

status

with

response

Print

port

Print

INTERFACE

serial

Print

OK,

Attempts

ROM

controller
two
ROM.

CONTROLLER

controller

OK

tne

data

the

the

performs a cold

is

above

61

(hex)

2 - HD

short

it

is

by

CONTROLLER

word

lines

word

interface.

word

END

to

start

BIOS

at

C8000

failure.

and

contains

called

printing

after

FDC

do
PRN

-

ACIA

ACIA

OF

DIAGNOSTICS.

bootstrap

and

the

system

to

EFFFF

one

long

at

powerup

1701

controller

on the

not

read

on

screen.

on

screen.

if

DIP

loops

the

halts.

(hex)

beep.

BIOS

on the

initialization.

screen.

back

switch 1 is

is

Print

code

for

checking

screen.

same

for

diagnostics

found

until

with a bad

segment

operating

the

contents.

OFF.

an

of

ROM

the

hard

Ifthis

switch

error

is

checksum.

on

screen

hard

disk.

disk

and

is

found.

Indicates

followed

If

the

ROM

controller.

ON

the

system

Even

if

an

An

error

Note:

This

message

will

not

be

printed

on

the

screen.

24

PC10-1/10-2/10-1ll

SERVICE

MANUAL

REPAIR

THE

PC

“1”

OF

AN

ODD

SYSTEM

DURING
REFER

LISTED.

A)

CHECK

B)

CHECK

C)

CHECK

D)

CHECK

E)

CHECK

PC10-1,

TIP:

USES A NINTH

BITS,

NUMBER

MAINTAINS

DATA

TO

PC

PARITY

BIT

“1”

THEN

YOUR

U30 — THIS

U9 — RAM

A

OF

“1”

THIS

TRANSFERS.

PC

SERVICE

IS

EXPANSION
U1 — PINS 5 & 6 FOR
SIGNAL

U9 — PINS 5 AND

FROM

IS

BAD A MESSAGE

MAY

ALTER

10-2

ERRORS

TO

DETERMINE

BITS,

MANUAL

PIN

15

(BUFFER)

SIGNALS

BE

WILL

““ODD

WHERE

U8

TROUBLESHOOTING

GENERATED

THEN A “0”

PARITY’”

THE

TO

PN

PARITY

BOARD,

PCK

AND

12

TO

U2

MAY

OF

"'UNEXPECTED

SENT

PARITY.

WILL

INSURE

#319914.

UP

TO

PCK

PIN

GIVE

FROM

IN

OR

512K.

ALSO

11,

OUT

IF

ABYTE

PARITY

THE
BE

GENERATED

THAT

PAGES

NINTH

CHECK

CHECK

PIN

FALSE

SWITCH

U20

(SWITCH

CONTAINS

BIT.

DATA

BIT

10

AND

IS

HAS

STORED

U10 & U11

PIN

10,

ENRAMPCK

VALUE

INTERRUPT’”

NOTES

AN

THE

IF

IN

THE

NOT

BEEN

11

TO

LOCATE

FOR

1,

CLR.

BACK

SETTINGS).

ON

DB3.

WILL

EVEN

BYTE

PARITY

CORRUPTED

512

IF

OCCUR

NUMBER

CONTAINS

BIT.

THE

THE

IC'S

TO

640K.

THIS

CHIP

AND

COMPUTE

UNDER
DICATING

THE

EXAMPLE:
CS,

IP,

TO
4

BITS

EXAMPLE:

RESULT

NOTE:

CERTAIN

ADDRESS

THE

THE

INSTRUCTION

COMPUTE

LEFT.

BYTE

EFFECTIVE

ERROR

WHERE

IS

CS:IP = 83AB:1010

SEGMENT

THE

THEN

SHIFT

EFFECTIVE

HOLDS

ADDRESS

CONDITIONS

IN

MEMORY

EXPRESSED

REGISTER

POINTER

EFFECTIVE

ADD.

LEFT 4 BITS

ADD

20

BIT

TWO

HEX

A

PROBLEM

IN

THE

CONTAINS

CONTAINS

ADDRESS,

ADDRESS

DIGITS.

AN

ADDRESS

HAS

FORM

HEX

HEX

SHIFT

CS=83ABO

IP

=

1010

84ACO

OCCURRED.

OF

REGISTER

83AB

1010

THE

WILL

CONTENTS

BE

DISPLAYED

CONTENTS.

OF

THE

ON

THE

SEGMENT

SCREEN

REGISTER

IN-

25

PC10-1/10-2/10-1ll

SERVICE

MANUAL

TECHNICAL

SPECIFICATION

PC10/PC20

MEMORY

ROM
RAM
RAM

EXPANDABLE

ON

BOARD

ON

SLOTS

CPU

TYPE

CLOCK
8087
NUMBER
OPERATING

KEYBOARD

NUMBER

TYPE
NUMERIC
CURSOR

POWER

TYPE

MAXIMUM

INPUT/OUTPUT

RS-232C
CENTRONICS
MOUSE

STORAGE

FLOPPY

HARD

MAXIMUM

VIDEO

CGA

80

40

640 x 200

320 X 200 4 COLOR

MDA

80

HERCULES

720 x 348

PLANTRONICS

640 x 200 4 COLOR
320 x 200

COMPATIBLE

TTL
RGBl
COMPOSITE
COMPOSITE

SPEED

MATH

SUPPLY

COLUMN
COLUMN

COLUMN

MONOCHROME

CO-PROCESSOR

OF

SLOTS

SYSTEM

OF

KEYS

KEYPAD

KEYS

CONFIGURATION

PORTS

SERIAL

PARALLEL

PORT

DRIVE

DRIVE

INTERNAL

COLOR
COLOR

BLACK

MONOCHROME

MONOCHROME

16

COLOR

MONITORS

NTSC
NTSC/PAL

AND

COLOR

COLOR

CONFIGURATION

ALPHA/NUMERIC
ALPHA/NUMERIC

WHITE

GRAPHICS

PLUS

GRAPHICS

MONOCHROME

SUPPORTED

GRAPHICS

ALPHA/NUMERIC

GRAPHICS

SPECIFICATIONS

PC10-IIl

XT

COMPATIBLE

AUTOCONFIG
640KB

N/A

YES

8088-1

4.77, 7.16,
SOCKET
THREE

MS-DOS

ASCII

INTERNATIONAL

ENHANCED
YES
4 - INVERTED T LAYOUT

HIGH-EFFICIENCY
WITH
2

DRIVE, 3 EXPANSION

BUILT

BUILT

BUILT

BUILT-IN

DRIVES

BIOS

INTERFACE
TWO

DRIVES

DISK

BUILT

BUILT

BUILT

BUILT

FULL

101

INTEGRATED

FLOPPY

IN
IN
IN

BUILT

HALF-HEIGHT

AND

DRIVE

IN

IN

IN

IN

BIOS

9.54

MHz

ON

BOARD

SIZE

3.2

INCLUDED

102

AT

DISK

DRIVES,

FOR

1352

CONTROLLER

IN

FOR

ONE

(XT)

SWITCHING

COOLING

ONE

CARDS

MOUSE

SUPPORTS

“‘XT”

HARD

5.25

INCH

HALF-HEIGHT

POWER

FAN

HARD

DISK

FLOPPY

3.5

DISK

TWO

INCH

SUPPLY

DISK

HARD

26

PC10-1/10-2/10-Ill

SERVICE

MANUAL

DIP

DIP

SWITCH

These

SWITCH

SWITCH

SWITCH

switch

SWITCH

settings

#1

UP(OFF)A
DOWN(ON)

#2

UP(OFF)

DOWN(ON)

#3

SETTINGS

refer

USA/Europe
Scandinavian

Onboard

Onboard

SWITCH

SETTINGS

to

the

UP(OFF) UP(OFF)

UP(OFF)

DOWN(ON)

DOWN(ON)

UP(OFF)

CONFIG

Character

Character

Video

Video

#4

switch

Adapter

Adapter

AND

area

Set

Set

is

MONO

is

COLOR

THE

on

the

DEFAULT

VIDEO

Monochrome

80

40

MODE

Column

Column

Color

Color

RESET

back

of

the

system

SAMPLE
SETTING

n

1,

MENFIM

tin

1234

MNUREN

ı

83

ı1E3

SWITCH

unit.

4

4

DOWN(ON)

THE

The

Pressing
ON.
devices

The
have

RESET

Reset

this

All

information

such

intent

“‘crashed’”’

SWITCH

switch

switch

as

of

the

DOWN(ON)

protrudes

will

effectively

in

the

computer’s

hard

disks

switch

the

is

computer.

slightly on

or

floppy

to

provide

the

re-boot

RAM

disks

an

alternative

right

side

the

computer

memory,

while

NO

MONITOR

of

the

as

well

the

switch

to

cycling

machine

as

if

the

as

information

was

power

"Aa

just

behind

power

had

depressed

when

ı

being

an

E23

A

the

been

written

may

application

keyboard

cycled

also

OFF

to

be

connector.

and

mass

program

storage

lost.

then

may

27

PC10-1/10-2/10-1ll

SERVICE

MANUAL

JUMPER

zassslsas

SETTINGS

.

ur

02

. .

77,7

7

r

et

_—_.___

mono

yer-rn

Aus

ner

7”

re

ON

MOTHERBOARD

A

position = No

stalled

JMP

JMP

All

are

use

JMP

208g

614

other

for

only

\&
B
Disk
PC10

In—Composite
Out—

jumpers

factory

206

In

207

In

hard

position = Commodore

(PC10

disk

installed

w/optional

Composite

as

is

installed

(PC20

Commodore

Shipped)—Use

in

an

as

Shipped;

Hard

Disk)

Color

Mono

Hard

this

position

expansion

Hard

Disk

slot.

in-

if

B

position

A

position

28

PC10-1/10-2/10-Il

SERVICE

MANUAL

PinNo.

1

2

3

4

5

6

7

8

9

MOUSE

Signal

Vertical

Horizontal

Vertical

Horizontal
Button

Button

+

Ground

Button

volts

5

Q

Q

(3)

(1)

(2)

CONNECTOR

PORT

-

PIN

OUTS

Computer

——

—_

9

——

———

22

SERIAL

Side

1——

2

3
4

5

6

7—_SIGCND

8

——

10

20

PORT

Peripheral

CHASSIS

TxD

RxD
ATS

CTS

DSR

DCD

+

-

DTR

RI

GND

12V

12V

Side

Video

DB9

Connector

Female

Color/Graphic

Pin

No.

2

3

4

5

6

7
8
9

Connector

Modes

Signal

RED

GREEN

INTENSITY

MONO
HSYNC
VSYNC

VIDEO

GND

BLUE

PORT

Monochrome

Pin

No.

2

3

4

5

6

7
8
9

Mode

Signal

GND

not

used

not

used

not

used

INTENSITY

VIDEO

H

SYNC

VSYNC

PARALLEL

Computer

Side Side

——

—14

——

BF

1

2
3
4

5

6

7

8

9

10

13

15

16

STROBE

DO
DI
D2

D3

D4

D5

D6

D7
ACK

sior

AUTO

FDXT

ERROR

INIT-

u

PORT

Printer

29

PC10-1/10-2/10-ll

SERVICE

MANUAL

POWER
KEYBOARD
MANUAL
MANUAL
MANUAL
DISK
DISK
MOUNTING
BEZEL
BEZEL
EXTENSION
PCB

CORD

USER/DOS
OPERATIONS

BASIC
OPERATING
UTILITIES

F.D.

GUIDE

MAJOR

ASSEMBLY

3.2

DOS

BRACKET

HOLE

CARD

PARTS

3.2

(ENGLISH)

(ENGLISH)

SYSTEM

3.2

COVER

PANEL

DOS

LIST

3.2

PC10-Ill

903508-15
312702-02
319953-01
319964-02
319906-01
380538-01
380538-02
312233-01
313010-01
312679-01
380120-01

251118-01
FLOPPY
POWER
FOOT
NAMEPLATE

STANDOFF

PLATE
FLOPPY
POWER

HARD
PCB

TOP

BASE

DISK

SUPPLY

LOGO

DISK

ON

DISK

MAIN

COVER

CHASSIS

DRIVE

(UL/CSA)

CABLE

LED

LED

ASSEMBLY

380111-01

312637-02

380128-01
380132-10
312689-02
380133-05
380012-04
380016-01
380020-02
312625-01
312226-01
312225-01

30

PC10-1/10-2/10-1ll

SERVICE

MANUAL

COMPONENT

Commodore

Industry

chips,

INTEGRATED

L101
L102

U104,204,

205,304,

604
U108,109

202,603

U105,106
107

U1

u2

U3

U325
U328

U326
U301,302

303

U327

U207

U203
U401

U402

U404

U405

U601
U403

U602

U605,321-

324

U305-320

U607

U201

U102,103

U201,607
U602

U101

part

numbers

standard

Transistors,

parts

CIRCUITS

FE2010A

8088

74LS245

7415244

7415373

74LS04

741S08

741514

74504
741S00

74508
74LS158

74510

7406
SMC9268

OK16242

8250

1488

1489

PVC4
PPC1

Custom

64Kx4

Sub:

|256Kx1

Sub:

Sub:

Video

Sub:

Bios

Sub:

|Socket,

|Socket,
Socket,

Socket,

etc.

Driver

Receiver

ROM

are

(Resistors,

are

available

10MHZ

Video

5720

Drams

64Kx4

Drams

256Kx1

Drams
256Kx1

Drams

Character

EPROM
ROM

EPROM
ROM

40

28
68

84

Drams

Pin

Pin

Pin

Pin

100ns

80ns

80ns

100ns

120ns

Char

27256

Bios

27256

Dip

Dip
PLCC

PLCC

provided

ROM

for

reference

Capacitors,

in

manual

318048-01
380200-02

901521-46

901521-03

901521-29

901521-02

901521-03

901521-30

901525-01
901525-04

901525-05

318089-01

901525-06

901522-.06
312710-01
318073-01

380205-01

901882-01

901883-01

318088-01

318091-01

318087-01

390083-04

390083-05

380223-05

380223-04

380223-03

318086-01

317066-02

318085-01

317066-01

904150-06

904150-05
390185-02

390185-01

only

Connectors)

form

through

|

|

|

|

|
|

|
|

|

|

|

|
|

|

|

|

|

607,640

R620

|

|R626

|R628,629

|

630

|

|R505,102

R106

|

|R107.108

|

|502,503
R206

|

|

A645

|RP602

|

RP301,302

|

1303

|

|RP202,402

|

|RP101,102

|

|s501

PARTS

and

do

not

indicate

should

DIODES

[CR401-405
1501,601

201,602

|RESISTORS

R105

R403,4065
|R625,207_

R103,104,

|201-204,408,

412,616,623,

|644.639.101,

|413,414

|R404,109,

421
|R401,402,

|205,504

|R407,410
|R409,411

[501,641

|R619,606

R601

R602,617

|R603,627
|R604

R605

R608,622

R618

the

be

secured

Service

Department,

LIST

the

locally.

1N4148

—

All
5%

ohm

5.1K

|1M

ohm

|10

ohm

4.7K

ohm

33

ohm

470

ohm

|2.2K

ohm

10K

ohm

|1K

ohm

750

ohm

680

ohm

ohm

[360

130

ohm

75

ohm

33K

ohm

2K

ohm

3K

ohm

1.2K

ohm

68

ohm

220

ohm

1

ohm,

47

ohm

8.2K

ohm

2.2

ohm,

ohm,

68

33

ohm,

[33

ohm,

4.7Kx5

availability

Approved

order

values

6Pin,

unless

Ya

Watt

Y2

Watt

16Pin

14Pin

16Pin

SIP

are

noted

of

parts

cross-references

#314000-01.

in

ohms-1/4

otherwise.

Dip

8EI

7EI

Dip

8EI

Dip

from

Commodore.

for

900850-01

W

901550-03

901550-84
901550-64

901550-19
901550-105

901550-58

901550-18
901550-20

901550-01

901550-88

901550-31

901550-108
901550-134

901550-45

901550-06

901550-53

901550-33
901550-17

901550-94
901550-52

901600-36

901550-56
901550-05

901600-28

252134-03

318867-01

252134-04

902441-31

TTL

31

PC10-1/10-2/10-Ill

SERVICE

MANUAL

RESISTORS
RP201

RP401,603
RP502,503

504

RP2083
RP505
RP604
RP60s

CAPACITORS

C103,406,

602

ca

220/330x4

|4.7Kx7

10Kx7

13.3Kx9
10Kx9

|33Kx9
|33Kx5

47pF,

39pF,

COMPONENT

(Continued)

6Pin,

8Pin,

8Pin,

10Pin,
10Pin,
10Pin,

6Pin,

Sub:

33Kx7

MLC,

MLC,

Sub:

33pF,

Radial,

SIP

SIP

SIP

SIP
Sip
SIP

SIP

8Pin,

SP

Radial,

Radial,

Cog

Cog

MLC,

Gog

PARTS

MISCELLANEOUS

380388-01 | |XTAL2
902442-55 | |XTAL3

0SC201
902442-35
902410-06 | |OSC602

902410-13 | |OSC101
902410-17 | |vR501
902442-42 | |pzıo1
_902441-41 | |EMI401-425,

900019-17

900019-14 | |cN504,203

900019-XX

||0SC601

608,609

BT601

JMP204,208
JMP101,205-

207,614,

CN201

LIST

Crystal
Crystal
|OSC
|Osc
|OSC

|OSC

Regulator
Piezo

EMI

Battery,

|Header 3 Pin

|Header

Shorting

Header

(continuea)

32.768

1.832

16MHZ

16.257
24000

28.63636
Beeper

Filter,

Nicad

2

34

KHZ

MHZ,

MHZ

MHZ

MHZ

7905

-5V

100pF

3.6V

Sil

Pin

Sil

Blocks 2 Pos

Pin

Dil

HC18U

900560-01
900556-13
325566-10
325566-13
325566-15
325566-12
901527-03
312680-01

251842-02

380393-01

903326-03

903326-02

390043-01

903345-17

C202

C408-424

601,110

C511-540,

ee

Bu

603.610

C802,803

760,761,

762,766.

776,800,

nn

rg

723-726,

747

C701

only

C727-746

107,108,201[.334F,
C508
C403

C501,502

504,505,
507,542-

547

C503,541

C402

220pF,

100pF,

|1000pF,

.1uF,

.224F,

4.7uF,

474F,

|14F,

Varcap,

MLC,

MLC,

Sub:

MLC,
MLC,
Alum,

Elect,

Elec,

MLC,

Radial,

Radial,

MLC,

Radial,

Radial,

.1uF,

MLC,

Axial,

ZU

Radial,
Radial,

Elec,

Rad

16V

Rad,

50V

4-20pF

.

Rd

Cog

Cog

5U

U
5U

900019-19 | IFg104.101.

900019-15

X7R 900014-06 | |FB102,103

900020-01

390082-01

900020-09
900020-08
390101-05

390101-01

390101-08

251029.01

201,601-611,

105

FB601
SW501

SW601

EMI101,102,
105,607,

610-614

EMI101,102,

607,610-614

EMI105

CONNECTORS

CN102

CN401
CN402

|

|cneo1

|

|CN602

|

|CN603

CN501-503

CN12

|

|TRANSISTORS

|

|Q602

Q101,104,

106

Ferrite

Ferrite
Switch

Switch 4 Pos 8 Pin

|Ferrite

|EMI

DSS310-5Y5S101M

|PC10-Ill

PC10-III

Din

D-Sub
D-Sub
D-Sub
D-Sub
Jack

|Conn

Conn

2N3906

2N3904

Bead

Bead

(Loose)

No,

PB

Bead

(Three

Filter,

EMI

ASSEMBLY

EMI

ASSY

5

Pin

Round

25

Pin

Female

25

Pin

Male

9

Pin

Male

9

Pin

Female

RCA

Female

62

Pin

Power

PNP

NPN

Dip

Turn)

(2)

Female

RT4

903025-01

390268-01
251260-01

Levr

252144-04

390253-02

390257-02

(1)

312777-01

312777-02

252166-01

390241-05
390242-05

390242-01
390241-01
252122-01

903446-02

903349-01

902707.01

902658-01

32

PC10-1/10-2/10-Ill

SERVICE

MANUAL

DAS,

CE

|

|

[

Zee

3

2

IK

No

IE

}

IH

4

—Z}

u

I

I]

I

Ft

0}

=

=

COMMODORE
A/W

312628

PC18C

BOARD

SILKTOP

DI

10-4-87
REV

S

Er

GRAY

BUCK

I)

ZU

1}

1

IH

7}

|

zu

4

sa

L_)

I

BOARD

_

See

IE

{I

43

Ir

h

3
Ip

3

I

=

_

LAYOUT

[43

|

Fe

\

au

ensea

cnSe2

aan

-

|

33

PC10-1/10-2/10-Il

SERVICE

MANUAL

YEC2e

oo

“l

CTOu

PCLOCK

READY

CLEAR

“l

C7ES

10

SB

&&

os

x

C70S

c702

«uf

———

a»

rn

m m

.

C797

cc

]

D 2

RD’

dLock'

it

24

559"

ıslcLock

22

READY

zı

RESET

aıl

RESET

2a

18

uin

ac

m

anc3

inch

yec

vec

cos

FBHE'/ST

I

UGND

Pi

=

10

“1

“1

C798

C709

sase

1102

HERDY

CLOCK

8087

U103

'

6NDG

28.636MHZ
0SC1O1

ala

a1

8

Alg

Ei

—

ALS

EG

Aa

AD?

b

Rus

and

ADS

Ha

AD

hs

ADO

he

Ao’/cror

[2

TEST!

ps

Da

Er

so’

ks
ar
se’

pa

RQ’/GTı'

PO

RQ’/GTO!

RO'/GTI'

s2\

B
a.

R

Os

a

gr

s6/A19

Ir

Sale

53/Al6aa

a

An

A

Al3h
A

AI

BL

Th

ei

4

Hey 7

ADI

ADO

ur

1R03

fäder

vcc

ha

—

r

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7

Ad

ann

AS

I

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4

—%

7

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—

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|

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4

4

8

%

m;

—/;

4

mm

7

———A

]

a

TB

———

|

—

RUUS—

02

I

—

DROL

DATA

(7:0)

7

re

V

Y

Ir

r

vcc

ig

>52!

ah

>=

Bes

Sale

Ns

Se

ADIR

(19:8)

N — at

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varamıar

FBIGI

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4.7K

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A068

1205

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add

55858

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|

SERVICE

43

PC10-Ill

Assembly

MANUAL

KEYBOARD

#312702-02

FOR

REFERENCE

ONLY

OEM

SCHEMATIC

FG

INLET

o—

141

t

sw

PTI

2n

250v

250V

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ca

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x

D5

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4

C12

a

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TI

®

10M

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®

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.

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.

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SSKC20

RECI

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NS2

NSI

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+

10

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L

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+

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cT

4700

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VR

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470

o

12V
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+

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0

o12A

+12V
0-3.5A

+5V

1.4-5.9A

—OFAN

-

RET

PC10-1/10-2/10-1ll

SERVICE

44

PC10-Ill

Assembly

POWER

#312637-02

SUPPLY

MANUAL

FOR

REFERENCE

ONLY

PSM-763

AO)

ie

KIT

non

EN

ul,

I

y

0

Ach

E

AND

RI

P.C.B.

(

ia,”

29203-065

DE

LAYOUT

N

mn

COMPONENT

I

en

(4

c#

SIDE

N

en

PC10-1/10-2/10-1ll

SERVICE

PC10-Ill

Assembly

(PHIHONG

45

POWER

#312637-02

PSM-763)

SUPPLY

MANUAL

PC10-1/10-2/10-Ill

SERVICE

MANUAL

POWER

OEM

001052000

001010500

001004201

900756-06

001063951

901523-12

901527-05

001004101

SUPPLY

Part

#

PARTS

#312637-02

Description
Rectifier

Rectifier

Transistor

Rectifier

SCR

IC

IC

Transistor

2N6395

LM339N

UA7912UC

LIST

(PHIHONG

FD

S5KC20

STKD

BD-2KBPO6M

TIP

TIP

S10SC4M

42A

41A

PSM-763)

Loc.
REC2

REC3

Q4

REC1

SCR

IC3

IC2

Q2

PC10-Ill

NOTE:

001071301

001043101

COMPONENT

PARTS

NOT

FOR

Photo

IC

AVAILABLE

Coupler

TL431CLP

REFERENCE

FROM

PC-713V2

COMMODORE

ONLY

PARTS

PC

SHR

DEPARTMENT.

46

C<

Commodore

Computer

1200

West

Systems

Wilson

Chester,

Division

Drive

PA

19380