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The service manual is a good quality scan of the Panasonic NV-850, which is electrically identical to the Philips VR 6920, but mecanically just nearly.
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The service manual is a good quality scan of the Blaupunkt RTV-404, which is electrically and mecanically identical to the Panasonic NV-830.
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completo manual bien detallado y de buena calidad de impresion , se echa en falta los esquemas de placa y parte de algun diagrama.
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perfecto manual ,completo y detallado de muy buena calidad de impresion, ideal en una palabra.
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un manual completo con una calidad de imagen buena con explicaciones en varios idiomas de los ajustes y detalles en conjunto un OK.
VL-H860U VL-H880U
Q2903 with FET always is "OFF" at DC input.
Q2901
NON REG 7.2V REG circuit
Q2903
SYS 3.3V
DC JACK input
Voltage detective circuit
VDC<11V
ADP-DET
Vcc DC input lived DC input "ON"
with JACK : OPEN "OFF" detection with out JACK : GND Short circuit
Battery voltage BATT.-DET detection
7-7. MAIN BATTERY CIRCUIT SECTION BLOCK DIAGRAM
14
VBATT=0 Charging off Vcc Lithium ion battery Current Voltage circuit section section LED_R Completion : Green light up CHG SW When the battery is installed , its turned "ON". RESET CHARGE-ON_L VCR-H Charge control IC System microcomputer LED_G
Green LED Red Current control detective
Charging : Red light up
VL-H870U VL-H875U VL-H890U
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