Power Supply Assembly

29-053

(Capacitor)

78-70501 SC

(Cap. Bracket)

A035891-01

(Fuse Harness)

46-301203

78-2708

(Bushing)

79-15021001

A037395-01

(Transformer Assy.)

A021084-XX

034544-01

79-4411001

(Fuse Post)

29-053

(Capacitor)

78-70501 SC

(Cap. Bracket)

A035891-01

(Fuse Harness)

46-301203

A037395-01

(Transformer Assy.)

A021084-XX

034544-01

79-4411001

(Fuse Post)

46-2017002

78-2708

(Bushing)

034482-02

(Chassis)

037639-01

(Label)

79-15021001

3A-MDA3501

(Rectifier)

Figure 3-10 Color X-Y Power Supply Assemblies A037396-XX B

46-2017002

034482-02

(Chassis)

037639-01

(Label)

3A-MDA3501

(Rectifier)

Figure 3-10 Color X-Y Power Supply Assemblies A037396-XX B

Part No.

Description (Reference Designations in Bold)

A021084-01 A021084-02 A021084-04 A021084-05

Voltage Plug for 100 V (violet) Voltage Plug for 120 V (yellow) Voltage Plug for 220 V (blue) Voltage Plug for 240 V (brown)

A034629-01 A034630-01 A035890-01 A035891-02

AC Harness Assembly RFI Filter Assembly (FL1) Power Harness Assembly Fuse Harness Assembly

A037395-01 29-053 3A-MDA3501 46-2014002

Color X-Y Transformer Assembly (T1) 27,000 mF 15 VDC Electrolytic Capacitor (C1) Type-MDA 3501 Bridge Rectifier (CR1)

4 A, 250 V, 3AG Slow-Blow Glass Cartridge-Type Fuse (F2, F4-F6)

46-2017002

46-301203

78-2708

78-70501 SC

7 A, 250 V, 3AG Slow-Blow Glass Cartridge-Type Fuse (F1) 20 A, 32 V, 3AG Slow-Blow Glass Cartridge-Type Fuse (F3)

Nylon Type 6/6 Hole Bushing with %-lnch Inside Diameter x %4-lnch Outside Diameter x 1/4-lnch Thick 2-Inch Diameter Capacitor Mounting Bracket

79-15021001 79-3206 79-4411001 034482-02

2-Circuit Single-Row Terminal Block

5-Position 3AG Fuse Block with 1/4-lnch Quick-Disconnect Terminals Panel-Mounting Non-Indicating 3AG Cartridge-Type Fuse Post Power Supply Chassis Base

034544-01 037243-01 037639-01 037641-01

Fuse Block Cover

Metal Base Plate (not shown in illustration) Label for Fuse Value (F1) Label for Fuse Values (F2-F6)

A037396-01 power supply assembly has the 120 V plug A037396-02 has the 100 V, 220 V, and 240 V plugs A037396-03 has the 220 V and 240 V plugs

Line Voltage Range Voltage Selection Plug Wire Color

90-110 VAC (100) Violet

105-135 VAC (120) Yellow

200-240 VAC (220) Blue

220-260 VAC (240) Brown

Fuse cover must be in place during game operation.

Table of Contents

Sheet 1A Table of Contents

Sheet 1B Gravitar Main Wiring Diagram (038585-01A-2)

Sheet 2A Color X-Y Power Supply Wiring Diagram (037394-01B), Regulator/Audio II PCB Schematic Diagram (035435-02F)

Sheet 2B Coin-Door Wiring Diagram (A037542-01C), Utility Panel Wiring Diagram (A038004-01), Fluorescent Light Wiring Diagram (035833-01A)

Game PCB Schematics (038398-XXA), Sheets 3A—8B

Sheet 3A Guide to Gravitar PCB Schematics (038398-01A) Sheet 3B Power Input, Clock, Power-On Reset, Watchdog

Sheet 4A Test Connector, Microprocessor, Timing Diagram, and Address Decoder

Sheet 4B Read-Only Memory, Random-Access Memory, High-Score Table

Sheet 5A Coin Door and Control Panel Input, Option Switch Input and Audio Output, Coin

Door and Control Panel Output Sheet 5B Vector Address Decoder, Vector Address Selector, Vector Read-Only Memory, Vector

Random-Access Memory, Vector Memory Data Buffer Sheet 6A Vector Data Shifters, Op Code and Intensity Latches

Sheet 6B State Machine Clock Logic, State Machine Clock, State Machine, Decoder Disable,

Vector Address Controller, Signature Analysis Flag Sheet 7A Normalization Flag, Center Flag, Vector Flag, Halt Flag, Go Flag, Vector Scaling, Vector Timer

Sheet 7B Z Intensity and Blanking, R-G-B Output

Sheet 8A DAC Reference and Bipolar Current Sources, X-Axis Output

Sheet 8B Y-Axis Output, Adjusting X- and Y-Axis Video Potentiometers

Sheet 9A

— 10B Gravitar PCB Signal Name Descriptions

Troubleshooting with the CAT Box:

Sheet 11A Memory Map

Troubleshooting with the Read/Write Controller

A. CAT Box Preliminary Set-Up

B. Address Lines

C. Data Lines

Sheet 11B E. Custom Audio I/O Chips

F. Player and Option Switch Inputs

G. Analog Vector-Generator

Sheet12A H. LED, Coin Counter, and Invert Outputs

Troubleshooting with Signature Analysis

A. Signature Analysis Set-Up

B. Address Lines

C. Address Decoder Watchdog Troubleshooting

Sheet 12B Color X-Y Display Schematic Diagram (92-053)

ATARI

A Warner Communications Company

Schematic Package Supplement to

Operation, Maintenance and Service Manual

MAIN pee

SCHEMATIC

Sheets 36-86

P20

+ 5V RTN

A

-SENSE

22

+ SENSE.

2I

+ 5V REG

B

+ 5V REG

2

t 22V DC

3

-22 V DC

4

+ 5V RTN

I

SW GND

N

PLAYER 2 LED

J

STARTS

n

IO UNREG

L

PLAYER I LED

7

START I

M

SW GND

12

t 5 V

Y

LOCKOUT

F

COIN L

lb

COIN R

U

COIN AUX

S

CMTR L

H

CNTR R.

6'

SELF TEST

T

Pi 9

audio 2

11

AUDIO I

12

AUDIO GND

M

ROT LEFT I

E

ROT RIGHT I

5

THRUST I

6

FIRE I

4

SHIELDS I

3

Y GND

Z

X GND

1

Y OUT

B

X OUT

A

BLUE GND

K

GREEN GND

J

RED GND

H

BLUE

9

GREEN

8

RED

7

Avh P3500bh Wire Diagrams Titan
Gravitar Main Wiring Diagram

Regulator/Audio II PCB Schematic Diagram

COLOR X-Y POWER SUPPLY DIAGRAM

izvdc

L czi

3 6VAC

izvdc

L czi

VJflfS

BROWN wires 240v,

7 gs 4 3 2 1 i \98 76 5 432 n voltage selection blocks violet wires, 100 v l9

mda 350/ 27,000-u-f orlbk &i5vdc ori w

R3I allow

5 pkrl SPKR2.

SPKKI RTN SPK.RI RTH

VJflfS

¿zo)l voltage selection blocks mda 350/ 27,000-u-f orlbk &i5vdc ori w

Atari Asteroids Cocktail Clock Diagram

5 pkrl SPKR2.

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