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Great and quick support. The maual was exactly what I was looking for and my problem
solved. Many thanks.
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Very good service Within one day i received a pdf of the users manual and electric circuits so I was able to measure the different voltages in the printed circuit and find out the fault Payment was also reliable and easy.Without the manual i could not have repaired.So thanks to "Search for a manual"
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you are doing great job guys.....my father ask me to find out the schematics of Sony KV25R1D to sort out the problem ..(he was electrical technician, and excperianced with TV and simillar stuff). finally he found the cause and change all necessary parts....now he has got working old dog..and is very happy!!... thank you all.. NB..he also saved the repair cost.
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Perfect. Received my manual within 24 hours. Clear scan of the manual I needed. No problem.
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Item as described, very well detailed manual with complete schematics. I've received the download information shortly after payment, very good support.
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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