Kenwood KVT-915DVD Service Manual

Also see for KVT-915DVD: Instruction manual Service manual Instruction manual

Contents

25KVT-915DVD,925DVD,935DVDKVT-945DVD,965DVD2003 TV DVD receiver must be writing serial number data inthe unit that compatible DVD audio format.Kenwood serial number is 2 type of specifications detail is fol-lowing as.● Specification of serial number for Model (destination)Model name Destination Digit numberVDX-09M J 8KVT-915DVD K 8KVT-915DVD R 8KVT-925DVD E 14KVT-925DVD W 14KVT-935DVD M 8KVT-935DVD H 8KVT-945DVD X 8KVT-965DVD C 8WRITING SERIAL NUMBER● Writing serial number (for 8 digit)All digit data is writing for the unit.● Writing serial number (for 14 digit)Lower 8 digit data is writing for the unit.Alphabet character data convert to numeral character.M → 0N → 1P → 2R → 3S → 4T → 5U → 6V → 7W → 8X → 9ADJUSTMENT● VIDEO ADJUSTMENT (X14-947, X35-428)Item Adjustment method / Adjustment value Conditions1. 8.5V power supply 1. Connect the frequency counter to IC102 10pin between GND line. • Power supply : DC14.4VVR100 (X14-947) 2. Adjust VR100 so that IC102 10pin frequency is set to 450.5kHz±10Hz.2. VCO Free run 1. Connect the frequency counter to check point TP307A between GND line. • Input : AV1frequency 2. Adjust VR301 so that HSY (IC301 9pin) frequency is set to 15,734kHz±10Hz • Input signal : No signalVR301(X35-428) (NTSC type), 15,625kHz±10Hz (PAL type).3-1. Initial VR position 1. Turn VR404 [BRIGHT] fully to the clockwise. • Input : AV1VR404,VR408, 2. Connect the frequency counter to check point TP415, TP416 and TP401 between • Input signal : 10step signalVR407,VR401 GND line. (NTSC composite video(X14-947) 3. Adjust VR408 (GAMMER0), VR407 (GAMMER2) and VR401 (CONTRAST) so that signal)TP voltage is set to 3.5V±0.05V. • Oscilloscope : 0.5V/DIV AC3-2. RGB AMP 1. Connect the oscilloscope to TP272 between GND line.VR405 (X14-947) 2. Adjust RGB AMP (VR405) so that 4th step from the pedestal is 3.4V±0.05V.3.4V 3.4V±0.05Vwww . xiaoyu163. comQQ 376315150 992894298TEL 13942296513 992894298051513673QQTEL 13942296513 QQ 376315150 892498299TEL 13942296513 QQ 376315150 892498299