Kenwood KRF-V7020D Service Manual

Also see for KRF-V7020D: User guide Instruction manual

Contents

KRF-V7020D/V8020D/VR-307/309/3577CIRCUIT DESCRIPTION(0 : Pull down, 1 : Pull up)TYPE BAND ReceptionfrequencyChannel IF PLL standard Diode swspace frequency DSW3 DSW2 DSW1 DSW0K1 FM 87.5MHz~108.0MHz 100kHz +10.7MHz 25kHz 0 0 0 01700 AM 530kHz~1700kHz 10kHz +450kHz 10kHzK2 FM 87.5MHz~108.0MHz 100kHz +10.7MHz 25kHz 0 0 0 11610 AM 530kHz~1610kHz 10kHz +450kHz 10kHzK4 FM 87.5MHz~108.0MHz 100kHz +10.7MHz 25kHz 1 0 1 01700 RBDS AM 530kHz~1700kHz 10kHz +450kHz 10kHzE1 FM 87.5MHz~108.0MHz 50kHz +10.7MHz 25kHz 0 0 1 1AM 531kHz~1602kHz 9kHz +450kHz 9kHzE3 FM 87.5MHz~108.0MHz 50kHz +10.7MHz 25kHzRDS AM 531kHz~1602kHz 9kHz +450kHz 9kHz 0 1 0 1FM L 65.0MHz~74.0MHz 10kHz +10.7MHz 5kHzQ1 FM H 87.5MHz~108.0MHz 50kHz +10.7MHz 5kHz 1 0 1 1RDS AM 531kHz~1602kHz 9kHz +450kHz 9kHzM K2/E1 is switched with only the setting of DSW1 (X11 : S601). 0 0 X 1(DSW1 = 0 : K2 type, 1 : E1 type)77 76 75 741. The back up item and initializationcondition1-1 Back up• POWER : POWER OFF• VOLUME LEVEL : -66dB• AUDIO INPUT SELECTOR : TUNER• VIDEO INPUT SELECTOR : VIDEO 1• SPEAKER A : ON• SPEAKER B : OFF• BASS : 0dB• TREBLE : 0dB• INPUT LEVEL : 0dB• SOURCE DIRECT : OFF• MONITOR : OFF• DIMMER : DIMMER 1 (LIGHTEST)• LISTEN MODE : STEREO• VIRTUAL SURROUND : OFF• INPUT MODE : DIGITAL AUTO• SUB WOOFER : YES(ON)• FRONT SP. SIZE : NORMAL• CENTER SP. SIZE : NORMAL• SURROUND SP. SIZE : NORMAL• DISTANCE : Fch 10ft/3m: Cch 10ft/3m: Sch 10ft/3m• FRONT (L,R) LEVEL : 0dB• CENTER LEVEL : 0dB• REAR (LS,RS) LEVEL : 0dB• SUB WOOER LEVEL : 0dB• MIDNIGHT : OFF• BAND : FM• FM FREQUENCY : 87.50MHz• AM FREQUENCY : 531kHz(CH.SPACE 9kHz): 530kHz(CH.SPACE 10kHz)• PRESET CH. : [ --ch ]• PRESET MEMORY FREQUENCY: PRESET MEMORYFREQUENCY• TUNING MODE : AUTO1-2 The initial settingWhile pressing POWER key, plug the AC power cord intoan AC outlet (K,P type) or turn on the AC POWERswitch.2. Condition by the destination or model3. TEST MODE[setting method]While pressing INPUT SELECTOR key, plug the ACpower cord into an AC outlet (K, P type) or turn on theAC POWER switch. When a set is set up in test modecondition a set becomes the following condition. Auto-matic POWER ON. All indicator tube (FL) and CLIP INDI-CATOR LED are lighted. The other LED are flashed.A backup at the thing except ON/OFF of POWER is ini-tialized.[cancel method]The power supply is turned off.