Kenwood NX-800 Car Stereo System User Manual


 
NX-800/800H
24
Ref. No. Part Name Description
IC518 MOS-IC RS-232C Driver
IC701 MOS-IC LPF (RXAF)
IC702 MOS-IC LPF (MOD)
IC703 MOS-IC LPF (APC/DEO)
IC704 MOS-IC Buffer AMP (2nd IF DET)
IC705 MOS-IC BRF/Buffer AMP (SQ)
IC706 MOS-IC LPF/SUM AMP
IC707 MOS-IC RXAF/RXEI SW
IC708 MOS-IC AF SW (TXO/TXI)
IC709 MOS-IC
SUM AMP (AI/TONE/MI1 MI2) /
(MOD/DI)
IC710 MOS-IC AF SW (AI TONE OPT9/VREF)
IC711 MOS-IC SUM AMP (AF) / VREF
IC712 MOS-IC DAC
IC713 MOS-IC AO SW
IC714 MOS-IC AFO Buffer
IC715 Analogue IC AF Power AMP
Q1 Transistor Ripple Filter
Q3 Transistor Buffer AMP (PLL Fin)
Q4 Transistor Ripple Filter
Q5,6 FET VCO
Q7,8 FET T/R SW (VCO)
Q9 Transistor Buffer AMP (VCO)
Q10 Transistor Buffer AMP (RF)
Q11 FET Buffer AMP (19.2MHz)
Q101 Transistor RF Pre-Drive AMP
Q102 Transistor RF Drive AMP
Q105 Transistor SW (RF Power H/L)
Q106 FET SW (RF Power H/L)
Q201,202 Transistor SW (W/N)
Q203 Transistor 2nd Local buffer AMP (X3)
Q204,205 Transistor 1st IF AMP
Q208 Transistor Buffer AMP (Local)
Q210 Transistor LNA
Q212 Transistor SW (W/N)
Q401 Transistor SW (Over DC Supply Protection)
Q402 Transistor DC SW (SB)
Q403 Transistor DC SW (IGN)
Q404 FET DC SW (SB)
Q405 Transistor DC SW (SCTAM1)
Q406 FET DC SW (33BU)
Ref. No. Part Name Description
Q407 Transistor DC SW (80T)
Q408 Transistor DC SW (80R)
Q409 Transistor DC SW (50R)
Q410 FET DC SW (50MC)
Q411 Transistor DC SW (33BU)
Q412 Transistor DC SW (50MC)
Q413 Transistor DC SW (80T)
Q414 Transistor DC SW (80R)
Q415 Transistor DC SW (50R)
Q416 FET DC SW (33A-2)
Q417 FET DC SW
Q501 FET DC SW
Q701 FET SW (W/N)
Q702 Transistor Noise AMP
Q703 FET TONE SW
Q704,705 Transistor Limit
Q706 FET Mute (MI1)
Q707 FET Mute (MI2)
Q708 Transistor OPT10 SW
Q709 Transistor DC SW
Q710 Transistor AF Mute
Q901,902 Transistor DC SW (AUXO1, AUXO2)
D2 Diode Bypass Diode
D3,4
Variable Capaci-
tance Diode
Frequency Control
D7~12
Variable Capaci-
tance Diode
Frequency Control
D14
Variable Capaci-
tance Diode
TX Modulation
D21 Diode 2nd Local SW
D101 Diode T/R SW
D102 Zener Diode PM Drain Baias Protection
D103,104 Diode Antenna Switch (NX-800H)
D104 Diode Antenna Switch (NX-800)
D106 Diode Antenna Switch
D108~110
Diode Power Det
D201,202 Diode CF SW (W/N)
D205 Diode T/R SW
D207~210
Variable Capaci-
tance Diode
Vari-Cap Tune
D212,213
Variable Capaci-
tance Diode
Vari-Cap Tune
COMPONENTS DESCRIPTION