Switchbox - Atari CX 5200 Field Service Manual

Ground
Data Bus
Bus
Data
Bus
Data
Bus
Data
Bus
Data
Phase 2 Clock
Pot Scan
Pot Scan
Pot Scan
Pot Scan
Pot Scan
Pot Scan
Pot Scan
Pot Scan
Softfir e
V
5 Power
Not Connected
Keyboard Scan
Keyboard Scan

SWITCHBOX

A switchbox is connected and mounted to the back of the television set.
switch box that is used with the 4-Port Models is different from other switchboxes
manuf a ctured by Atari and from the 2-Port Model 5200. These differences include:
power for the Model 5200 supplied through the switch box
1)
2) two Select Switch functions. The two functions are:
NOR MAL - Allows the Model 5200 to automatically switch between the
television and the game when the Model 5200 ON/OFF switch is pressed.
STAN DBY - Enables television viewing while the Model 5200 is turned on.
CX5200 Field Service Manual
V S
S
1
•
03 2
04 3
05 4
06 5
07 6
7
�2
P 6 8
9
P 7
P4
1 0
P5 1 1
P2 12
P3
13
PO 1 4
PI
1 5
KR2
16
veo
1 7
R5
18
9
K4 1
K3
20
Figure 1-6. POKEY Pin Assignments
4-0 02
.39
01
38 DO
37 AU DIO
36 AO
35 Al
34 A2
A3
33
32 R/W
CSt
POKEY 3 1
30 CSO
9 IRQ
2
28 SO D
27 OCLK
26 BCLK
25 KRl
24- SID
23 KO
22 Kl
21 K2
1 -7
Data Bu�
Bus
Data
Bus
Data
u
Audio O t
Address Bus
Address Bus
Address
Bus
Address
Bus
Read/Write Control
Chip Select
Chip Select
I e p R eq s
nt r r u t ue t
Serial Output Data
Clock
Serial Output
Bidirectional Clock
Keyboard Read
Serial Input Data
Not Co- n nected
Keyboard Scan
Keyboard Scan
The
Changed by
ECN 110036
6/2 1/8 3
I