Teac MT-20D-IO - Page 79

TP2
~ __ ~n~ __ ~I1~ __
278 ns I
-o+--i--
1111 ns
(a) "90 ips"
TP2
833 ns
--+--+-
3333 ns
(b) "30 ips"
Fig. 344 Example of waveform at TP2
(22) TP3 (write clock) PCBA Interface Control
Test point for measuring the write control signal.
TP3 is used to check the write clock frequency.
TP3
Frequency = 1.8 MHz
(a) "90 ips"
TP3
Frequency = 600 kHz
(b) "30 ips"
Fig. 345 Example of waveform at TP3
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