Details And Waveforms On System Test And Debugging; System 27Mhz Clock, Reset, Flash R/W Signal - Zenith ZDX-313 Service Manual

DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING

1. SYSTEM 27MHz CLOCK, RESET, FLASH R/W SIGNAL

1) ZR36868 main clock is at 27MHz(X501)
2) ZR36868 reset is low active
FIG 1-1
FIG 1-2
3-68
1.0V, 27MHz
5.3VA
PWR_CTL_H
M_RESET(FRONT)