Sinclair ZX Spectrum

Sinclair ZX Spectrum Service Manual
Spectrum For Everyone https://spectrumforeveryone.com/
52
9.14 COIL
Circuit Ref
Issue 4A/4B/5/6A
Manufacturer
Coil L1-L2
Spectrum TFR, 2 windings on toroidal former
N. Devon
9.15 CONNECTORS
Reference
Description
Manufacturer/Part Number
EAR
3.5mm jack socket
Tuda
MIC
3.5mm jack socket
Tuda
PWR
2.1mm co-axial socket
Hoseiden
KB1
5-way ribbon connector
Molex 5229-05CPB/Flexlock
KB2
8-way ribbon connector
Molex 5229-08CPB/Flexlock
9.16 CRYSTALS
Circuit Reference
Issue 4A
Issue 4B/5/6A
X1
14.000000MHz
Same all issues
X2
4.43361875MHz
Same all issues