Star Tech Journal

SIAR'"lt IECHJOURNAL
THE TECHNICAL MONTHLY FOR THE AMUSEMENTS INDUSlRY
P.O. BOX 1065, MERCHANTVILLE, NEW JERSEY 08109.
JULY
1985
ROMSTAR
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6a■e:
KICKSTART
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Game will not credit.
A Jllllper (JH -near edge
connector •s•> has beer, left off.
Solution: J1111per JH includes 3 points
or flow-thru holes labeled C, 1, & 2. A
solder trace on the solder side of the
board connects POints C and 1. Cut this
trace and install a JU11per between
POints C and 2. On so■e boards the 3
POints are not labeled. To distinguish
the■ , POSition the board so that edge
connector •s• is to your right. Locate
the box labeled JH. The bottom poi r,t is
•c•, the POint directly above point C
is 1, and the POint to the right of 1
is 2.
Note: You ■ay notice that the wire
harness for KICKSTART has a pcwer-or,
reset line. This line should be tied
!OM (grounded). You ■ay have also
noticed that the KICKSTART boards very
nearly rese■ble ■any earlier Taito
boards. Because of this si ■iliarity any
input buffer proble■s 11ay be traced
using the sche■atics fro■ these old
Sy■pt011:
Proble■ :
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RONSTAR
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Bue: HAL-21
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Additional Infor.ation: Those who
received the first few •Test Game•
HAL-21's will be in for a big surprise.
HAL-21 can be a •continue-play• ga11e.
The HAL-21 boards on lllhich Eproms
1,2,3,4,5, & 12 have a blue line on the
label are ready to use. Just turn dip
switch 8 of dip switch bank 2 "ON".
This will give the player 10 seconds ir1
Nhich to continue his ga■e. Boards
without the blue-lined Eproas May be
aodi fied. Call or send a letter to:
ROOTAR, IN:., 3843 Kashiwa Street,
Torrance, CA 98585 Phone:(213) 539-2744
Telex: 182426 Ask for: Dennis Sable,
Technical Manager.
****
ROMSTAR
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1942
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Additional Ir,for11ation: More good
STAR•TED4 JOORtR., July 1985,
7, Nwnber 2. Copyright (cl 1985
by Star Tech Journal, Inc. All rights
reserved. Address inquires to: POB
Volu■e
7,
news. The new RoMstar 1942 kit will
plug directly ir,to the old SNK VUL6US
harness.
NUMBER
2
The white and black wires are
soldered to Pins 26 and 24.
************
*****1(******
WICO
MERIT
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Ga■e:
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Ga■e:
TRIVIA WHIZ
AFTOR Pinball
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11111111111111111
SubJect: Troubleshooting Tips.
Sy■pto■: 6a■e c011es on with screen
reading - •Dleck 205-ERROR 1"
Solution: This ■eans that either no
question ROIi is installed at location 1
of the CRT 285 board or that the CRT
285 is not installed, The CRT 205 may
be defective, or the Ju■per wire from
Pin 26 of U7 to Pin 9 of U14 may be
broken.
Screen Reads:
0\eck 285 - Error 2•
1 0\eck 205 - Error 3"
Or Length error in QROM:
Solution: This ■eans that a question
EPROII is defective, if CRT 205 board is
knoNn to be good,
Sy■pt011:
1
powers-up, lights
flashing and sound is good. Coins-up
and selects players but categories B &
C are ■ issing.
Solution: Depress your bookkeeping
button and keep it depressed until ga~e
blanks off and comes back on. !Takes
about 8 seconds). lllat you are doing is
clearing out all of your 111e110ry
installed in device US. Make sure U8 is
a 61161.P-3 Hitachi.
Sy■pto■ : 6a■e
ga■es.
Ga■e:
VOLUME
Sy■pto■: 6a■e inter■ ittently
pawering
down:
Solution: Dleck capacitors C51 and
C52 located behind U6 and U7 sockets
and ■ake sure they are bent down and
not touching the CRT 285 board. Also,
if there are any JU■pers on back of the
CRT ale board make sure they are not
being pinched by any IC Pins.
****
When installing a Merit MINI KIT in
your PIT BOSS, note that connector J1
Pins run like this and not like an IC.
39 37 35 33 31 ........ 9 7 5 3 1
00000
OOOOCil
oooeo
00000
48 38 36 34 32 ••••...• 10 8 6 4 2
1865, Merchantville, NJ 08109.
Subscription rates: USA •56, Canada
$63, Other countries •98 (US funds).
STAR*TECH JOORNAL (ISSN '739-:-1848) is
Syapto■ : Galle goes into self-test by
itself.
Solution: Make sure U55 (X2212 Shadow
RAM> is seated properly in socket. This
new IC is a thicker package and can
unseat in shipaent.
Sy■pto■ :
Ball continually bouncing
thu■per bu■pers and
between lower two
drop target
Solution: Change double rubbers fro111
a 2• diam. (Wico 119-008709) presently
used, to 1 112• dia. rubber rings
***********-t(
BALLY SENTE
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Ga■e:
TRIVIAL PURSUIT
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SubJect: Progra■ cartridge
interchangeability between upright and
cocktail gaes
Program cartridge Epro■ date code
12-84 can be used in upright games
only.
Progra■ cartridge Epro■ date code
2-12-85 can be used in upright ard
cocktai 1 ga■es.
When picture fails to flip properly
in cocktail gaaes, check dip switch
setting and verify progra1 cartridge
Epro■ date code.
************
CONNECT
TECH
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Ga■e:
Atari PAPER BOY
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Tech: Joe Connor, Active Amuseraents,
Philadelphia, PA
Syaptom: 6a■e dead, garbage or,
screen.
Proble■: CPU board power supply has
failed.
Solution: There is a small power
supply (+5vdc@ 3A) located on the
right side wall of the game which
supplies the CPU board (top PCB) with
its fl()ltl!r. This supply is separate from
published
■onthly ·
on the first of the
■onth via 1st Class Mail in North
A■erica, via Air Mail elseNhere. James
Calore: Publisher/Editor.