Read Sony MHC-V5 (serv.man3) Service Manual online
3-1. Circuit operation (Standby mode of Power saving mode)
14
1: AC voltage input
4: System controller
boots up.
boots up.
2: Power supply board
outputs 13.5V for
SYSCON booting.
outputs 13.5V for
SYSCON booting.
MICOM
+ DSP
+ DSP
Page 41
3: EVER+3.3V outputs
from D/D Converter
(IC002)
from D/D Converter
(IC002)
Repair tips:
Original standby mode is
“demonstration” mode.
In this mode, FL tube and
Speaker LED operates for
demonstration.
By pressing DISPLAY button
while the set turn off, the
mode can be shifted to
“Power saving” and “clock”.
Original standby mode is
“demonstration” mode.
In this mode, FL tube and
Speaker LED operates for
demonstration.
By pressing DISPLAY button
while the set turn off, the
mode can be shifted to
“Power saving” and “clock”.
Repair tips:
EVER+3.3V output can be
checked at ARAGON board
connecter terminal.
(CN304 pin1 and 2)
EVER+3.3V output can be
checked at ARAGON board
connecter terminal.
(CN304 pin1 and 2)
Repair tips:
13.5V output can be checked
at connecter terminal
(CN001 pin1 and 3)
13.5V output can be checked
at connecter terminal
(CN001 pin1 and 3)
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