Read Sony HCD-GTR888 Service Manual online
6
(1) Input the AC power.
(2) The power-supply voltage passes through the rectifier.
(3) The power-supply voltage will be applied to the sub-transformer.
(4) The sub-transformer outputs 7.5V when Standby - mode.
(5) When it is in DEMO-mode, the SUB ON (H) will be applied from the
(2) The power-supply voltage passes through the rectifier.
(3) The power-supply voltage will be applied to the sub-transformer.
(4) The sub-transformer outputs 7.5V when Standby - mode.
(5) When it is in DEMO-mode, the SUB ON (H) will be applied from the
SYSTEM CONTROLLER(IC500).
(6) The SUB ON (H) is synchronized with input and supplies 13.5V.
(7) Also the power-supply voltage will be applied to the main-
(7) Also the power-supply voltage will be applied to the main-
transformer.
(8) When it is in Standby -mode and DEMO- mode, the main-
transformer supplies 0V.
When it is in Power on- mode, the MAIN ON(H) will be applied
from SYSTEM CONTROLLER.
(9) The MAIN ON(H) is synchronized with input and supplies DC104V to
DAMP BOARD.
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