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Tech Notes for Wang 360SE


Power Supply Unit

Logic Supplies: 0V, +11, -11V DC
Nixie Drive: +180V DC
Logic Levels: 0V = 1, -10V = 0

Component Information

Wang Part # Manuf. Part # Notes
375-0001 RCA 37676, 2N404 Germanium PNP Small-Signal
375-0002 RCA 37676-2, 2N404-2 Germanium PNP Small-Signal
375-1000 MOT 6516

Circuit Card Layout


Slot # Board # Function
1 522 Keyboard/Display Interface II, Channel 0
2 522 Keyboard/Display Interface II, Channel 1
3 522 Keyboard/Display Interface II, Channel 2
4 522 Keyboard/Display Interface II, Channel 3
5 521 Keyboard/Display Interface I, Channels 0 & 1
6 521 Keyboard/Display Interface I, Channels 2 & 3
7 539 Display Position Scanner
8 530 Keyboard Decoding
9 535 Master Clock & Timing Generator
10 536 Condition/State Flip Flops and Control
11 532 B Counter(Major Cycle Control) & Decoding
12 538 Display Multiplexing Control Counters
13 526 B Counter(Major Cycle) State 7/8/10 Gating
14 525 B Counter(Major Cycle) State 6/9 Gating
15 524 B Counter(Major Cycle) State 3/4/5 Gating
16 505 B Counter(Major Cycle) State 1/2 Gating
17 523 B Counter(Major Cycle) State 0/1 Gating
18 533 R Counter(Minor Cycle Control) & Decoding
19 531 T Counter(Minor Cycle Control) & Decoding
20 503 Logarithm Generator ROM Constants III
21 502 Logarithm Generator ROM Constants II
22 501 Logarithm Generator ROM Constants I
23 534 B Switch(Adder Data Source Selector)
24 512 Four Stage Binary/BCD Adder
25 528 D Switch(Core Memory Data Source Selector) & Drivers
26 529 Core Memory Sense Amplifiers & G Register(Memory Buffer)
27 537 Channel Scanning I
28 F546 Channel Scanning II
29 F548 Core Memory Sense Amps & Inhibit Drivers
30 F547 Core Memory Array, 16x32x4
31 F545 Core Memory X&Y Drivers, Current Sink
32 F544 Core Memory X&Y Drivers, Current Source

Calculator Port Connector Pinout

Connector as viewed from top of female connector on electronics package.
Wire colors are those in the cable that runs from keyboard/display unit to male connector that plugs into electronics package.

Pin # Wire Color Function
1 Brown Keyboard Connected (To Electronics Package)
2 - No Connection
3 - No Connection
4 Yellow Inhibit Keyboard (From Electronics Package)
5 Green Keyboard Code 2^0
6 Blue Keyboard Code 2^2
7 Violet Keyboard Code 2^4
8 Gray Not Used
9 White Keyboard Code 2^1
10 Black Ready (From Electronics Package)
11 White/Brown Keyboard Code 2^3
12 White/Red Key Pressed
13 White/Orange Chassis Ground
14 White/Yellow Product Accumulate Switch
15 White/Green "CLEAR ALL" Keyboard Switch
16 White/Blue Logic Supply: -11 Volts DC
17 White/Violet Logic Supply: +11 Volts DC
18 White/Gray Logic Supply: 0 Volts DC
19 - No Connection
20 - No Connection
21 - No Connection
22 - No Connection
23 Yellow/Green Nixie Power Supply: +180 Volts DC
24 Yellow/Blue Numeral Select (BCD) 2^0
25 Pink/Orange Numeral Select (BCD) 2^1
26 Pink/Yellow Numeral Select (BCD) 2^2
27 Pink/Green Numeral Select (BCD) 2^3
28 Pink/Blue Not Used
29 Pink/White Overflow (From Electronics Package)
30 Pink/Black Not Used
31 Pink Entry Accumulation Switch
32 Orange Multiplier Accumulation Switch
33 White/Black Digit Select 2^0
34 Yellow/Black Digit Select 2^1
35 Yellow/Red Digit Select 2^2
36 Yellow/Orange Digit Select 2^3