Kenwood VR 3080 Service Manual - Page 12

KRF-V7772D/VR-3080 ADJUSTMENT No. ITEM FM SECTION : INPUT SETTINGS SELECTOR : FM OUTPUT SETTINGS RECEIVER SETTINGS ALIGNMENT POINTS ALIGN FOR F I G . *Adjust NO.1 and NO.2 repeat. (A) Connect a 1 DISCRIMINATOR 98.0MHz 1kHz, ±40kHz dev. DC voltmeter between CN2 1 70dBf (ANT. input) and CN2 2 (X05) MONO 98.0MHz L4 (X05-) 0V (a) (A) 2 DISTORTION (MONO) 98.0MHz 1kHz, ±40kHz dev. MONO (B) 70dBf (ANT. input) MONO 98.0MHz L5 (X05-) Minimum distortion (a) (C) 98.0MHz 1kHz, 3 DISTORTION ±40kHz dev. (STEREO) Selector : L or R Pilot (B) : ±6kHz dev. 70dBf (ANT. input) AUTO 98.0MHz IFT(RF FRONTEND : A1) (X05-) Minimum distortion (a) (L or R) (A) 4 TUNING LEVEL 98.0MHz MONO 1kHz, ±40kHz dev. (B) 25dBf (ANT. input) MONO 98.0MHz VR1 (X05-) Adjust VR1 and stop at the point where ED1 (a) (TUNED) goes on. AUDIO SECTION IDLE CURRENT SPEAKER : A PREOUT : OFF PROLOGIC : ON Connect a DC - voltmeter across each T.P. CN21 : L CN22 : R CN23 : LS CN24 : RS (FRONT 2ch MODE) Volume:0 VR1(L) VR2(R) VR5(LS) VR4(RS) VR3(CENTER) 10mV CN25 : C (X09-) (X09-) SYSTEM CONNECTIONS S VIDEO AM GND PRE OUT FRONT SURROUND CENTER MONITOR OUT VIDEO1 VIDEO2 VIDEO3 VIDEO4 REC PLAY PLAY PLAY PLAY OUT IN IN IN IN DIGITAL IN VIDEO2 VIDEO3 VIDEO4 CD1 IRRECEIVER IROUT IRREPEATER IN LCD OUT DC12V 15mA REMOTE SL16 TEXT SYSTEM CONTROL SL16 XS8 SUBWOOFER VIDEO AUDIO PHONO CD1 MD/TAPE1 REC PLAY OUT IN CD2/TAPE2 MONITOR REC PLAY OUT IN VIDEO1 VIDEO2 VIDEO3 VIDEO4 REC PLAY PLAY PLAY PLAY OUT IN IN IN IN OPTICAL OPTICAL COAXIALCOAXIAL FRONT SPEAKERS (6-16Ω) SURROUND SPEAKERS (6-16Ω) CENTER SPEAKER (6-16Ω) FM 75Ω ANTENNA SWITCHED TOTAL 100W MAX. Dummy antenna FM SG AG (A) FM SG MPX AG (C) AC voltmeter Oscilloscope Distortion meter 12 (B)