VDU-K Interak 1 VDU Interface

Section 6: Parts List

COMPONENT PARTS LIST FOR VDU-K CARD

Issue: 3	Date: November 1982 
LISTED BY COMPONENT REFERENCE NO. LISTED BY COMPONENT VALUE
PCB
*1 off PCB VDU-K
PCB
*1 off PCB VDU-K
Resistors 250 mW (0.1" & 0.5" pitch)
Rl 1k 0.1"	R12 330R 0.5"
R2 1k 0.1"	R13 1k 0.5"
R3 22R 0. 1"	*R14 - 0. 5"
R4 1k 0. 5"	R15 1k 0. 5"
R5 10k 0.5"	R16 330R 0.5"
R6 10k 0.5"	R17 330R 0.5"
R7 330R 0. 1"	R18 330R 0.5"
R8 1k 0.1"	R19 1k 0.5"
R9 10k 0.51	R20 10k 0.5"
R10 1k 0.5"	*R21 - 0. 5
*R11 - 0. 5"	("-" = not used)
Resistors 250 mW (0.1" & 0.5" pitch)
22R  1 R3
330R 5 R7,12,16-18
1k   8 R1,2,4,8,10,13,15,19
10k  4 R5,6,9,20
-    3 *R11, 14, 21
SIL Resistor (Use Socket)
SIL1 9-pin 8x10k
SIL Resistor (Use Socket)
SIL1 9-pin 8x10k
Variable Resistor (Multiturn Type)
RV1 50k
Variable Resistor (Multiturn Type)
RV1 50k
Capacitors
C1 Dec 0.2"      C10 Dec 0.2"
C2 10n Cer 0.1"	C11 22u Al 0.2"
C3 22p Cer 0.1"	C12 Dec 0.2"
C4 Dec 0.2"	C13 Dec 0.2"
C5 Dec 0. 2"	C14 Dec	0.2"
C6 Dec 0.2"	C15 22u Al 0.2"
C7 Dec 0. 2"	C16 Dec	0. 2"
C8 47p Cer 0.1"	C17 22u Al 0.2"
C9 Dec 0.2"	C18 47p Ger 0.1"
(C3 has 5% tol)	(C18 mounted under)
Capacitors
22p Cer  1 C3 (5% tolerance)
47p Cer  2 C8,18 (18 under)
10n Cer  1 C2
Dec     11 Cl, 4-7,9,10,12-14,15
22u Al   3 C11, 15, 17
"Cer" = Ceramic
"Al" = Low Leakage Min. Aluminium
"Dec" = 47n-100n Decoupling grade polyester, or Ceramic
Diodes
CR1 1N4002 0.5"
CR2 1N4148 0.5"
Diodes
1N4002 1 CR1
1N4148 1 CR2
Transistor
Q1 2N3702/3 (PNP)
Transistor
2N3702/3 1 Q1
Quartz Crystal
Y1 12.0 MHz
Quartz Crystal
12.0 MHz 1 Y1
Integrated Circuits (use sockets)
Ul  Z80A-CPU (40)    U22 74LS166  (16)
U2  2716-TG  (24)    *U23 2716-C2  (24)
U3  74LS122  (14)    U24 2716-Cl   (24)
U4  74LS14   (14)    U25 74LS373   (20)
U5  74LS32   (14)    U26 2114L-200 (18)
U6  74LS00   (14)    U27 2114L-200 (18)
U7  74LS136  (14)
U8  74S04    (14)
U9  74LS393  (14)
U10 74LS290  (14)
U11 74LS393  (14)
U12 74LS136  (14)
U13 74LS174  (16)
U14 74LS393  (14)
U15 74LS11   (14)
U16 74LS257  (16)
U17 74LS257  (16)
U18 74LS257  (16)
U19 74LS645  (20)
U20 74LS74   (14)
U21 74LS86   (14)
Integrated Circuits (use sockets)
2114L-200 2 U26,27
2716-C1   1 U24
*2716-C2  1 U23
2716-T1   1 U2
74LS00    1 U6
74LS11    1 U15
74LS14    1 U4
74LS32    1 U5
74LS74    1 U20
74LS86    1 U21
74LS122   1 U3
74LS136   2 U7,12
74LS166   1 U22
74LS174   1 U13
74LS257   3 U16-18
74LS290   1 U10
74LS373   1 U25
74LS393   3 U9,11,14
74LS645   1 U19
74S04     1 U8
Z80A-CPU  1 U1
0.1" Pitch Pin Assemblies
Pl 3-pin P4 2-pin
P2 3-pin P5 5-pin
P3 2-pin
0.1" Pitch Pin Assemblies
2 pin 2 P3,P4
3 pin 2 P1,P2
5 pin 1 P5
UHF Modulator
*UM1 UM1233E36 Wide Bandwidth
UHF Modulator
*UM1233E36 1 UM1
DIL sockets
8-pin 1 S1
14-pin 14 U3-12,14,15,20,21
16-pin 6 S2; U13,16-18,22
18-pin . 2 U26,27
20-pin 2 U19,25
24-pin 3 U2,23,24
40-pin 1 U1

SIL socket

9 pin 0.1" pitch socket strip (for SIL 1)
Sundry
Pre-stripped Insulated Wire (Including some spares)
5 off 25 mm (for links)
Silicone Rubber Sleeving (Including spare)
2 off 20 mm x 1.5 mm dia. precut (UHF Modulator output insulation)
Tinned copper wire 24 SWG (for connecting 31) 75 mm
1 off Solder Tag (for connecting Jl)

Extension Screening Piece for UHF Output

*1 off 18 mm long x 10 mm dia.

Switches

*S1' Front Panel mounted Min. Toggle DPDT (or *Sl 8-pin DPDT DIL switch)
*S2 16-pin 8xSPST
*S3 Front Panel mounted Min. Toggle SPST
*1 off Coaxial TV Aerial Connector J1
*1 off BNC Video Connector and 0V Tag J2

Card Front

*1 off Kit (1 inch wide) including fixings and mounting brackets; new type or old ( RS) type, according to type of rack used.

M2.5 Fixings. (Generally steel, Supadriv)

*2 off Screws 10 mm Panhead (For fixing Jl to card front)
*3 off Serrated Washers.
*2 off Nuts.

*Note Options:

The items marked "*" in the parts lists are not supplied in the standard kit of parts for the VDU-K; they are however all available separately, as indeed are all the components, including for example the timing generator and character generator EPROMs.

Resistor Colour Code (Ignore last band (generally gold))

 22R Red,    Red,    Black
330R Orange, Orange, Brown
  1k Brown,  Black,  Red
 10k Brown,  Black,  Orange