JVC-CAE21BK-tun-sch 电路图 维修手册.pdf

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1、C155 0.022 MUTE STEREO TUNED CE DO CK DI +12V +5.0V L OUT R OUT GND ANT ANT NC GND VT +B IFOUT OSCOUT FE101 EAF2203001 12345678 123459106781112 131415161718192021222324 Xin CE DO CK DI SYC TUNED STOP IN POWER QSC MONO FMMW LW AM IF FM IF IF Reg IN AM OSC FM OSC VDD PD1 PD2 VSS XOUT AM OSC OUT 123459

2、106781112 131415161718192021222324 FM OUT STRQ NAR S.M AM OUT FM ADJ AM ADJ AM IF AM AGC AM MIX AM IN VREF AM OSC AM IF FM IF FM AFC SIG Vcc FM DET FM DET GND BY PASS BY PASS FM IF GND 1234591067811 1213141516171819202122 AM IN FM IN PILOT OUT SEP A ADJ LOUT L R ROUT MUTE CONT AM/FM MUTE OUT STEREO

3、MUTE CONT MUTE IN L.P.F. L.P.F. PILOT IN L.P.F. L.P.F. VCO Vcc 15715 ENA0871 VOLTAGES: 0.5 FM AUTO NO SIGNAL (0.5) MW NO SIGNAL 0.5 LW NO SIGNAL FM RF 01.511.6 11.2 2.8 10.5 11.6 AT101 75? GND GND AM AM RF C230 0.022 C200 0.01 TP101 V.TUNE VC105 SVC342(L) C137 220p(CH) C138 240p(CH) C136 18p R133 47

4、k R132 10k TC105 (0) (0) Q112 2SK301 (Q.R) D S R181 2k2 R199 4k7 1.5 (7.5) Q126 2SC458 (D) 0.6 R198 ? C196 0.001 Q125 2SK301 (Q2) R182 180 R196 ? R197 2k2 C195 0.47/50 N S D C134 10/25 C133 0.022 R131 330 C132 560p R180 4k7 C193 18p C194 18p XT102 R195 47k T103 C192 0.047 (QCC) Q103 2SC461 (B.C) R13

5、5 47 R126 220 R125 3k3 R118 3k3 CF101 R119 220 R121 390 R124 680 0.7 9.8 10.5 1.4 Q107 2SC535 (B.C) Q108 2SC461 (B.C) C126 0.022 R123 1k R122 2k7C101 0.022 C122 0.022R194 4k7 ? ? PLL D120 1SS119 2.7 0 0 0 5.0 5.0 (11.7) 11.7 0 Q124 DTA114E 11.7 11.6 (0) Q123 DTA114E 0 (11.7) 2.7 0.5 5.0 2.8 0 0.1 0

6、0 11.7 (0.1) C172 0.01 C169 0.022 D103 1SS119 C171 10/25 C170 0.022 T107 C149 0.022 L106 1 R151 2k2 3.3(3.5) 2.7(2.1) 3.8(3.5) 3.8(3.5) 0(11.1) 1.5(1.4) 2.4(1.1) 0 0 1.5 1.5 0.12.9 2.6 2.2 4.0(3.7) 8.5(10.6) 11.7 11.7 11.7 2.3(1.0) 2.3(1.0) 2.3(1.0) CF102 C151 0.022 C152 0.022 C153 0.022 (QCC) T105

7、C210 220/16 R156 6k8 R157 10k C154 0.022 C157 0.47/50 C158 100p C159 100p C160 ? C161 0.022 R158 27k R159 560 C162 10/25 TP102 CENTER METER ? C163 0.001 R160? C164 0.022 R147 10k C167 2.2/50 R148 10k R146 56 C168 4.7/50 C165 0.47/50 R149 22k C166 2.2/50 R150 10k C150 0.022 FM/AM IF DET ? MPX 0(5.2)

8、0 D106 1SS119 R154 10k XT103 C185 2.2/50 C186 0.47/50 R155 5k6 C184 1/50 R153 10k C183 1/50 5.0 4.9(0) 0(0) 2.7 4.6(8.9) 3.0(4.6) 2.7 4.0(6.7) 1.7 11.8 C174 0.047 MY C173 ? C175 10/25 C176 0.001 C181 10/25 R167 ? R161? C177 ? C178 ? R162? R169 10k R168 10k C182 2.2/50 3.1(3.1) 4.4 3.1 3.1 4.4 3.1 3.

9、2 3.1 3.1 R164 ? R166 ? R163 ? R165 ? C180 2.2/50 C179 2.2/50 C203 0.0018 MY C204 0.0018 MY L111 39m L112 39m C202 0.0022 MY C201 0.0022 MY R172 6k8 R171 6k8 JB103 TO ENJ0331 JB101 TO ENC0671 R190 4k7 0 (0) R136 10k 3.6 0.5 AM CH. SPACE 13 J105 TO ENC0641 K2 D7 SW202 10k9k U ONLY C110 1.5 R160 R161,

10、 R162 R163, R164 R165, R166 R167 R196 R198 C160 C173 C177, 178 U 5k6 82k 4k7 180k 39k 10k 3k3 220p 0.039 820p A 18k 120k 3k9 270k 47k 10k 3k3 220p 0.022 390p LE,LEV 18k 120k 3k9 270k 47k 2k2 8k2 100p 0.022 390p LG,LGI 18k 120k 3k9 270k 47k 2k2 8k2 220p 0.022 390p LBS 8k2 82k 3k9 270k 47k 2k2 8k2 100p 0.022 560p ?MARK CAE21BK T101 C135 0.022 (QCC) ? SERWISELEKTRONIKISERWISELEKTRONIKI BazaPoradSerwisowychBazaPoradSerwisowych Zestaw audio JVC CA-E21BK, CA-E21LBK Tuner (BK) RadioFans.CN 收音机爱 好者资料库