User manual SHARP QTCD161H SERVICE MANUAL

[. . . ] QT-CD141H/161H/162H SERVICE MANUAL No. S5932QTCD161H QT-CD141H(SL) QT-CD161H(S) QT-CD162H(S) Illustration: QT-CD162H · In the interests of user-safety the set should be restored to its original condition and only parts identical to those specified should be used. Recording and playback of any material may require consent which SHARP is unable to give. Please refer particularly to the provisions of Copyright Act 1956, the Dramatic and Musical Performers Protection Act 1956, the Performers Protection Acts 1963 and 1972 and to any subsequent statutory enactments and orders. CONTENTS Page SAFETY PRECATION FOR SERVICE MANUAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] L 2 10 T601 POWER TRANSFORMER 8 11 R 6 5 Q201 Q202 Q251 AM / FM SELECT +B FM +B F651 T1. 25A L 250V TUNER +B BACK UP +B STANBY VOLUME SW201-C POWER/ FUNCTION VR201 A, B +B1 8 IC201 KIA4558S SURROUND AMP. 7 L 6 2 VOLTAGE REGULATOR 3 IC203 KIA7808P 2 5 R 4 3 +B2 SW601 MAIN SW201-D POWER/ FUNCTION 1 SW202 A, B X-BASS SW203 A, B SURROUND 162H ONLY M601 TAPE MOTOR REC FROM TUNER SECTION IC2-9, 10PIN RADIO POWER/ FUNCTION SW201-A, B TAPE REC/P. B SW102 A, F P. BA331IL 1 L 12 R 6 8 SW201-G REC/P. B L 5 R 9 REC Q351 BIAS L301 OSC. SW102 REC/P. B B. D P. B SW102-H REC/P. B REC CD P. B REC/P. B SW102 C, E P. B FROM CD/DISPLAY SECTION ERASE R-CH HEAD L-CH REC/P. B HEAD Figure 12 BLOCK DIAGRAM (2/3) ­ 12 ­ D651~D654 RECTIFIER QT-CD141H/161H//162H TUNER +B RX501 161H/162H ONLY Q501 Q502 IC502 RESET RESET 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 27 56 24 31 30 23 LCD DISPLAY LCD501 ~ MONO/ST XL501 4. 19 MHz SW702 PICKUP IN 12 15 11 72 76 79 25 18 20 19 13 17 16 10 7 22 23 24 , IC501 CD/TUNER CONTROL MICROCOMPUTER 14 6 5 4 3 TO CD SECTION ~ TO MAIN SECTION SW504 MEMORY SW503 BAND SW502 TUNER DOWN SW501 TUNER UP SW505 SW507 PRESET DOWN CD LID SW506 OPEN/CLOSE PRESET UP AUDIO +12V TUNER +B 15 MO/ST 9 L-CH OUT Q10 SWITCHING 10 R-CH OUT 16 MPX IN 13 MPX VCO VR1 VCO IC2 LA1805 FM/AM IF APX. +5V FM RIPPLE FILTER 10 IF IN +B 11 AM IN 12 FM IN OF1 6 18 DET OUT TUNER +B 21 8 +B 20 FM DET T2 STEREO 7 GND FM+B VOLTAGE REGULATOR ZD1 A-GND Q5 Q6 6 AM IF IN CF2 IC3 TC9216P PLL PERIDO 5 CLOCK DATA 4 3 AM IF IN 5 FM DET. 22 AM RF IN 14 DOUT AM IF T3 VT 13 VSS D GND 1 X OUT X IN 2 24 AM OSC AM MIX OUT 3 FM IF IN 1 AM MIX OUT VT CONTROL X1 4. 5MHz Q3 Q4 AM OSC OUT CF1 FM+B 9 VT FM OSC. VD2 L2 8 Q1 RF AMP. VD3-1 VD3-2 7 T1 6 TC1 VT L3 AM ANT. L4 5 4 AM OSC. FM RF VD1 L1 3 1 FM ROD ANTENA 3 F1 2 B. P. F 1 Figure 13 BLOCK DIAGRAM (3/3) ­ 13 ­ IC1 TA7358AP FM FRONT END FM IF QT-CD141H/161H/162H MAIN PWB-A1(1/4) A LASER DRIVE Q801 KTA1266GR R842 22 C848 1/50 CD SIGNAL C849 0. 022 C840 0. 33/50 B C839 0. 1 C838 0. 01 C837 10/16 C835 0. 1/50 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 R871 4. 7K 48 47 VCC1 LDS BH1 REFI DRF CE DAT VCC2 FSS 1 C803 0. 1/50 CLK DEF PH1 LF2 LDD C845 4. 7/50 VR CL C850 0. 1 R858 C841 680 0. 047 C842 0. 047 R85 27K R856 1. 2K C C804 0. 001 R804 2. 2K R805 6. 8K R806 100 2 3E 4F 5 TB R802 100K C805 0. 033 C806 0. 033 R803 15K 7 TE 6 TE­ 1 FIN2 2 FIN1 48 NC 47 TBC FSC 46 GND 45 SLI 44 C834 0. 033 C833 0. 001 C830 2P (CH) R833 5. 6K R832 56K R836 47K R838 33K R837 47K 8 TESI C808 0. 068 9 SCI 10 TH 11 TA 12 TD­ C807 0. 1/50 R807 1K R809 27K C809 0. 047 R808 12K C810 180P IC801 LA9241M SERVO AMP. 15 TO 16 FD 34 TGL 33 JP+ SLC 43 RFS­ 42 RFSM CV+ CV­ SLOF HFL TES 41 40 39 38 37 36 34 33 R834 C832 1K 27P(CH) C831 0. 0027 R835 470 D R811 3. 3K FE­ A GND NC 13 TD 14 JP TOFF 35 SPD SLEQ SPG SP­ SLD FA­ FE SL­ SL+ JP­ SP C822 220P FD­ FA 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 R820 10K R813 33K R814 10K C812 330P C815 0. 0047 R817 82K C816 0. 001 R830 R824 1K 10K C818 1/50 C819 R825 47/16 1. 2K R831 C820 1K 0. 0033 R826 220K R821 56K R827 220K D802 DS1SS133 C851 0. 022 R849 100K R810 82K C821 1/50 R840 22K C811 0. 1 VREF C817 0. 47/50 E GND R819 39K R839 22K R815 C814 R816 47K 0. 01 1. 5K R823 1. 2K R828 1K R829 1K R812 15K C813 0. 1 R822 6. 8K +B P19 9 - H TO DISPLAY SECTION F PU IN WRQ SQOUT DRF SL­ SL+ RWC CO IN CQCK RES 2 3 4 5 6 7 8 9 10 11 P16 1 - G, P19 8 - B TO POWER, DISPLAY SECTION D-GND 1 +B 7. 4V 42 POWER GND L-CH AUDIO GND R-CH 13 14 15 16 +B L8 0. 68 H · The numbers 1 to 12 are waveform numbers shown in page 25. 1 2 3 4 5 6 Figure 14 SCHEMATIC DIAGRAM (1/6) ­ 14 ­ C887 0. 022 G Q802 KTA1273 Y C846 330/10 QT-CD141H/161H//162H CNS802 BI802 LD PD VR 5 4 3 2 1 K E A B F LD M0N K E A B F C F E B A K C802 47/16 5 4 3 2 1 5 4 3 2 1 R801 1K C801 0. 01 TR+ TR­ FO­ FO+ CNS801 BI801 C847 0. 01 R860 1K 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 TR­ TR+ FO+ FO­ GND PD VR LD TR­ TR+ FO+ FO­ TR­ 64 63 62 61 60 5 9 58 57 56 55 54 53 52 51 50 49 TEST1 TEST5 4. 2M 16M TST11 SQOUT CQCK R858 C841 1 680 0. 047 2 3 PDO C842 VVss 0. 047 4 5 ISET R857 27K 6 7 8 9 SBCK SFSY PW COIN CS RES RWC WRQ FSX PICKUP UNIT 48 47 1 DEFI 2 TAI 48 EFLG 47 SBSY XVSS 46 XIN 45 XOUT XVDD MUTER RVDD RCHO 44 43 42 41 40 XL801 16. 93MHz EMFO RVSS 39 LVSS 38 LCHO 37 LVDD 36 MUTEL 35 TEST3 34 33 10 EMFIN 11 TEST2 12 CLV+ 13 CLV­ 14 V/P 15 16 15 HFL 16 TES 34 NC 33 TEST4 C867 10/16 C890 100/10 R873 100 CONT1 CONT2 CONT3 CONT4 CONT5 EMPH C2F DOUT JP+ JPPCK FSEQ VDD TOFF TGL 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 R880 100 L801 0. 82µH C843 100/10 C873 0. 01 TR+ TR­ FO­ FO+ R875 R876 10K 10K R856 1. 2K VVDD FR Vss IC802 LA78623D SERVO/SIGNAL CONTROL C868 R874 10/16 100 C870 0. 0022 C869 0. 0022 CD MOTOR PWB-B SP+ SP­ +B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 VCC MUTE VIN1 VG1 VO1+ VO1­ GND GND GND VO2­ VO2+ VG2 VIN2 REG OUT REG-B VCC BIAS IN VIN4 VIN4G VO4+ VO4­ GND GND GND VO3­ VO3+ VG3 VIN3 CD RESET 6 5 6 5 4 3 2 1 CNS803 6 5 4 3 2 1 CNP803 + ­ + ­ M M +B 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 M701 SPINDLE MOTOR M702 SLED MOTOR SW702 PICKUP IN SL+ 4 SL­ 3 PU-IN 2 1 C888 0. 01 BI803 C846 330/10 TUNER GND C887 0. 022 Q802 KTA1273 Y C844 330/10 L802 0. 68µH IC803 LA6541 FOCUS/TRACKING/ SPINDLE/SLED DRIVER · NOTES ON SCHEMATIC DIAGRAM can be found on page 10. 7 8 9 10 11 12 Figure 15 SCHEMATIC DIAGRAM (2/6) ­ 15 ­ QT-CD141H/161H/162H A B FM SIGNAL CD SIGNAL PLAYBACK SIGNAL C RECORD SIGNAL R104 22K C105 0. 0018 R105 15K R102 330 SW102-C R P R101 330 SW102-B R P C107 820P R107 1K R109 120 R103 22K R121 1K C121 SW102-A 0. 01 R P SW201-A TAPE TUNER CD R153 5. 6K R157 27K C151 0. 027 (ML) R163 27K C153 0. 027(ML) C154 0. 027(ML) R164 27K C152 0. 027 (ML) R158 27K R154 5. 6K R156 6. 8K C158 0. 01 (ML) C155 330P C156 330P Q152 KTC3199GR R166 27K R167 680K R155 6. 8K R169 4. 7K C159 161H/141H:0. 22/ 162H:1/50 Q151 KTC3199GR C115 R113 0. 018(ML) 8. 2K R115 R117 3. 9K 3. 9K C113 C117 47/16 10/16 C109 3 1 PRE AMP 270P(B) NF1 OUT1 8 C119 IC101 2. 2/50 VCC 5 IN1 R119 3. 3K R123 8. 2K D103 DS1SS133 D102 D101 DS1SS133 DS1SS133 C123 220/10 R159 161H/ 141H:47K 162H:56K C157 0. 01(ML) R165 27K D L-CH CNS101 CNP101 1 1 2 3 4 2 3 4 R P SW102-E C111 330P(B) 9 IN2 BA3311L FILTER 10 REC. /P. B. EQUALIZER GND ON OFF SW202-A X-BASS SW202-B X-BASS ON OFF R161 27K C120 47/16 R-CH C108 820P R C112 330P C110 270P R110 120 NF2 11 4 6 7 ALC T 2 OUT2 12 R125 680K SW102-F R P R122 1K R124 8. 2K R162 27K ERASE HEAD P R108 1K SW102-D C106 0. 0018 C114 47/16 C116 0. 018 (ML) R114 8. 2K R116 3. 9K C118 10/16 R118 R120 3. 9K 3. 3K C122 0. 01 R160 161H/ 141H:47K 162H:56K SW201-B TAPE TUNER CD R168 680K R P R106 15K SW102-H SW102-G P C354 0. 022(ML) BIAS OSC. L301 R351 220 R353 47K C351 0. 0022 (ML) R352 150 C352 220/10 C353 0. 0056 (ML) R C160 161H/141H:0. 22/50 R170 4. 7K 162H:1/50 E R 2 BIAS OSC. Q351 KTC8050D R354 10 R350 82 D1 DS P18 3 - A, 4 - A TO TUNER SECTION F R-CH GND(A) L-CH TUNER +B D GND 23 22 21 32 28 +B +B R458 1K P14 2 - H P19 7 - A, 11 - H TO CD SECTION TO DISPLAY SECTION R-CH AUDIO GND L-CH CD +7. 4V DIGITAL GND POWER GND 16 15 14 42 D303 1N4004 R457 1K R456 6. 8K 1 13 R455 6. 8K +B G +7. 4V MUTE FUNC(CD) BACK UP 12 43 44 40 +B +B C252 0. 022 MAIN PWB-A1(2/4) H · NOTES ON SCHEMATIC DIAGRAM can be found on page 10. 1 2 3 4 5 6 Figure 16 SCHEMATIC DIAGRAM (3/6) ­ 16 ­ QT-CD141H/161H//162H SURROUND AMP. PWB-A8 C201 0. 0015(ML) C202 0. 0015(ML) C203 1/50 R203 10K R201 100K R202 100K R204 10K C204 1/50 IC201-2 KIA4558S SURROUND AMP. R205 4. 7K R206 4. 7K C206 0. 0018 (ML) C205 0. 0018 (ML) R231 330 6 9 8 C209 4. 7/50 7 34 R207 12K R208 12K C212 10/16 1 IC201-1 KIA4558S SURROUND AMP. C211 R211 220/10 10K P19 9 - A TO SWITCH PWB FW202 1 FW202 1 5 1 R215 1K 161H/141H ONLY R233 161H/141H:1K 162H:4. 7K R213 22K 8 FW203 R228 120 J201 HEADPHONES R209 22K C208 4. 7/50 R210 22K 5 2 C210 4. 7/50 C207 4. 7/50 R212 10K R214 22K HEADPHONES PWB-A2 R227 120 R216 1K 8 SW203 SURROUND SPEAKER WOOFER 8 OHMS CNS201 1 2 3 SP502 R-CH WOOFER 8 OHMS SP501 L-CH CNP201 1 2 3 1 3 R169 4. 7K C159 161H/141H:0. 22/50 162H:1/50 7 K R221 1K C219 C221 1/50 0. 001 C233 1000/10 2 R223 4. 7K R225 100K R166 27K 22/50 R170 4. 7K R234 161H/141H:1K 162H:4. 7K C150 100/10 R150 220 D151 DS1SS133 D251 DS1SS133 R251 10K C226 0. 022 Q201 KTC3199 GR 1 C223 100/10 IC202 4 LA4597 POWER C224 Q202 AMP. 100/10 KTC3199 GR 7 C225 220/25 R224 3 4. 7K ­ C220 + 1/50 6 R222 58 1K C222 D201 0. 001 DS1SS133 C229 100/10 R165 27K + ­ 12 FW202 C228 1/50 10 C234 1000/10 C227 4700/25 C230 100/10 D252 DS1SS133 CNP602 CNS602 C652 0. 022 D651 IN4004 R253 1. 8K R252 22K R254 10K D654 1N4004 +B C653 0. 022 R256 4. 7K C654 0. 022 SW201-D CD TUNER TAPE +B 1 2 3 1 2 3 C651 0. 022 +B D302 DS1SS133 R230 2. 7 Q151 KTC3199GR Q152 KTC3199GR 1 3 13 11 C231 0. 1 (ML) C232 0. 1 (ML) 9 Q251 KTA1266 GR R255 2. 2K TERMINAL PWB-A3 D652 1N4004 F651 T1. 25A L 250V T601 POWER TRANSFORMER TAPE TUNER CD +B SW201-C D653 1N4004 AC INPUT AC 230-240V 50Hz SO601 VOLTAGE REGULATOR OUT IN IC203 3 KIA7808P 1 2 C301 1/50 DC12V [ ''D'' SIZE(UM/SUM-1, R20 OR HP-2)BATTERYx8] C302 0. 047(Z) DC 3V [ ''AA'' SIZE(UM/SUM-3 R6 OR HP-7)BATTERYx2 FOR TUNER MEMORY] +B +B +B D301 DS1SS133 BATTERY PWB-A4, 5 SW601 TAPE MAIN + ­ M M601 TAPE MOTOR 7 8 9 10 11 12 Figure 17 SCHEMATIC DIAGRAM (4/6) ­ 17 ­ QT-CD141H/161H/162H P19 9 - A, P16 1 - F TO MAIN, DISPLAY SECTION L-CH GND(A) R-CH 21 22 23 27 MUTE A 24 25 26 28 29 30 31 32 R72 1K +B R45 220 +B B IC2 LA1805 FM/AM IF MPX. 3 1 C49 1/50 2 C48 1/50 TP2 Q9 KRA109 M 12 NC VCO 11 AM/FM 14 10 R CH FM 15 ­M/ST 13 D5 DS1SS133 R44 180 R52 1K R46 56K C50 0. 022 R50 1K ZD1 DZ5. 1BSB +B 10K R39 R29 1. 2K R30 15K D3 DS1SS133 R47 56K C30 15P(CH) C GND DATA CLOCK FM-IN PERIOD AM-IN OT-1 VDD X OUT DO 1 X IN IF-IN OT-2 I/O5(ST) OT-3 9 L CH R42 4. 7K R37 3. 3K R36 10K IC3 TC9216P @PLL C29 12P(CH) C46 0. 015 C47 1/50 D4 DS1SS133 SWITCHING R28 Q10 KTC3199GR 10K C41 3. 3/50 R27 47K C40 470P C21 0. 022 1 2345678 3 1 2 R20 6. 8K 1 3 C28 2. 2/50 L5 470µH R35 10K C45 0. 015 8 TUN IND C37 0. 022 FM DET. 4 AM IF R24 3. 9K 3 CF2 1 C27 0. 022 C26 0. 022 R16 2. 2K C60 100P +B D 2 C33 22/16 7 DTE OUT 17 ST IND 18 6 GND C38 R25 C36 5 AM IF 0. 018 33K 0. 0022 19 FM DET 20 Q5 KRA102 M R26 1. 5K C39 3. 3/50 C72 0. 001 16 15 14 13 12 11 10 DO 2 MPZ 16 ­IN 9 2 R6 560 C22 0. 01 R18 47K Q4 KTC3199GR C34 C35 220/10 0. 022 +B TP1 R17 10K T3 R15 1. 2K C24 2. 2/50 C25 0. 001 +B C32 0. 022 C31 0. 022 3 1 C13 47/16 C12 0. 022 R56 47 9 C9 33P(CH) R5 10K 3 AM MIX 2 FM +B 21 AM RF 22 E AM +B 23 IN 1 FM IF AM OSC 24 T2 CF1 2 R7 4. 7K Q3 KTC3199GR Q3, Q4:VT CONTROL R8 47K Q1 KTC3194Y RF AMP. R12 4. 7K C18 0. 022 C17 0. 047 C20 470P C71 0. 022 C11 22P(CH) VD2 KV1360NT R13 390 R71 6. 8K R11 56K C10 24P (UJ) F IC1 TA7358AP FM FRONT END FM IF C8 15P(CH) T1 C14 0. 022 C16 0. 022 R1 22 TC1 5P 7 AM TRACKING fL fH AM BAR ANT. L2 8 FM BAND COVERAGE R9 100K VD3-2 KV1591A2 C58 0. 01 C19 12P(UJ) C59 0. 022 C70 0. 001 C3 4. 7P(CH) C7 VD1 FM RF 0. 001KV1360NT R70 L1 22K 6 5 4 R3 33K AM OSC. L3 R10 L4 68K AM BAND COVERAGE fL C52 0. 022 C51 10/16 C4 27P(CH) G 3 2 1 F1 R2 100K C6 0. 01 C5 0. 01 FM SIGNAL AM SIGNAL C2 0. 01 D2 DS1SS133 FM B. P. F 123 D1 DS1SS133 MAIN PWB-A1(3/4) H FM ROD ANTENA · NOTES ON SCHEMATIC DIAGRAM can be found on page 10. 1 2 3 4 5 6 Figure 18 SCHEMATIC DIAGRAM (5/6) ­ 18 ­ Q6 KRC104 M Q5, Q6:FM RIPPLE FILTER R38 3. 3K VR1 C42 VCO 3. 3/50 6. 8K(B) C57 100/10 X1 4. 5 MHz C56 0. 01 R43 47K +B C43 0. 0015 (STYROL) R48 56K PLL(PERIOD) PLL(DATA) PLL(CLOCK) TUNER +B +B R51 1K P16 1 - F TO MAIN SECTION TUNED MONO/STEREO STEREO GND(D) QT-CD141H/161H//162H SWITCH PWB-A5 FM SIGNAL C218 161H/141H:0. 0022(ML) 162H:0. 0012(ML) VR201-B 20K(B) 5 C216 0. 068(ML) R220 161H/141H:3. 3K 162H:2. 7K R219 161H/141H:3. 3K 162H:2. 7K C215 0. 068(ML) C217 161H/141H:0. 0022(ML) 162H:0. 0012(ML) FW202 P16 1 - G, P14 2 - H TO MAIN, CD SECTION GND(D) BACK UP +B 40 1 P18 4 - A TO TUNER SECTION MONO/STEREO TUNED P17 8 - B FW202 TO MAIN PWB 1 VOLUME VR201-A 20K(B) PLL(CLOCK) PLL(DATA) PLL(PERIOD) T-MUTE STEREO +7. 4V 12 SW505 PREST DOWN 24 25 26 27 29 30 31 SW506 PREST UP +B +B FW501 R547 3. 3K SW501 TUNER UP SW504 MEMORY SW502 TUNER DOWN SW503 BAND 3 3 1 1 R544 3. 3K R545 5. 6K R546 15K C516 100P R501 150 C501 100/10 ZD501 DZ5. 6BSB +B C502 0. 022 D501 DS1SS133 2 1 SW507 CD LID OPEN/CLOSE 161H/162H ONLY 1 2 3 4 5 6 7 8 9 10 11 12 R550 15K 3 R549 15K L501 100µH 1 2 C519 10/16 RX501 REMOTE SENSOR R548 47 C510 0. 1 R508 56K R506 2. 7K C511 0. 022 C506 2. 2/50 R502 2. 7K MAIN PWB-A1(4/4) 3 2 5 11 10 9 8 7 6 SL­ SL+ RWC COIN CQCK RESET DRF PU IN WRQ 4 SQ OUT D502 DS1SS133 Q501 KTC3199GR RESET C503 10/16 C504 0. 022 +B R526 10K C512 0. 022 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 R527 10K R528 10K R507 C513 1K 0. 022 R509 1K R510 1K R515 3. 9K R511 560 R512 560 R513 560 C505 0. 022 2 R517 10K R518 10K R523 15K R516 10K 3 R503 1. 8K R519 560 R520 1K R521 1K R522 1K C508 1 0. 022 C509 R504 0. 1/50 100K R505 5. 6K D505 D506 R524 56K 1 C521 0. 0047 2 Q502 3 KRC107M RESET R552 1K R532 1K VL1 LID SW CLOCK DATA PERIOD T-MUTE AREA KEY1 KEY0 STEREO MONO/ST WRQ SD PU IN DRF RESET CQCK COIN RWC SL+ SL­ REMOCON SYS STOP 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 SEG8 SEG7 SEG6 SEG5 SEG4 SEG3 SEG2 SEG1 SEG0 VCC VREF AVSS COM3 COM2 COM1 COM0 VL3 13 14 15 16 17 18 19 20 21 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 SEG9 SEG10 SEG11 SEG12 SEG13 SEG14 SEG15 SEG16 D503 DS1SS133 IC501 IX0016SJ CD/TUNER CONTROL MICROCOMPUTER D504 DS1SS133 LCD501 IC502 PST9142 RESET R530 15K D505, D506:DS1SS133 27 RESET 25 SQ OUT SYNC IN FUNC P-MUTE2 P-MUTE1 VSS XOUT XIN 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 161H/162H ONLY R531 15K R539 1K R533 1K R534 1K R535 1K R536 1K R537 1K R538 1K P14 2 - F TO CD SECTION R540 1K R541 1K XL501 4. 19 MHz R543 6. 8K R542 3. 3K 43 44 P16 1 - G TO MAIN SECTION FUNC(CD) P-MUTE 7 8 9 10 11 12 Figure 19 SCHEMATIC DIAGRAM (6/6) ­ 19 ­ QT-CD141H/161H/162H SW601 TAPE MAIN (233-7) M601 TAPE MOTOR (233-6) A BR TO PICKUP UNIT P23 11 - H CNS602 BK WH WH WH WH WH WH WH P22 5 - D TO TERMINAL PWB CNS801 YL 1 2 3 4 5 6 7 8 11 W601 6 Q801 7 1 B CNP602 123 C848 R842 1 BI801 B C E C849 16 20 25 30 R840 C352 E IC803 Q351 15 10 CB C L301 R354 R353 5 C844 1 R830 R819 C815 R820 R821 C816 R82 C351 Q802 R352 C354 C353 SW102 REC P. B C817 C818 R122 R124 C122 R120 D103 C119 C846 R350 R824 R825 R831 R823 R822 C819 R106 C116 C114 R110 C110 R114 R116 R118 C118 C106 G F C820 17 20 15 R351 B C E CNP101 P23 8 - E TO TAPE HEAD CNS101 2 4 6 8 10 12 D303 1 3 5 7 9 11 1234 D102 C301 C115 R103 R104 R105 R117 R115 R113 R121 C233 D101 R123 R119 FW202 C219 D201 C225 C221 C223 R223 R873 3 R222 Q202 162H ONLY Q201 R224 C887 161H/141H ONLY R216 1 C869 R221 FW203 8 R150 Q152 R455 R457 D151 R875 R876 C870 R456 R458 162H ONLY C156 R170 C159 C155 R169 Q151 R168 R215 R234 C160 R233 C157 R167 ECB ECB C150 R543 XL501 R166 F SW203 SURROUND R162 C152 C151 R163 R540 R161 25 R159 R157 R165 C158 40 30 R542 20 24 A B A B B A 35 15 R523 SW202 X-BASS SW202 X-BASS R164 C153 R158 R153 1 FW201 R154 R156 R155 3 FW202 1 123 R254 B G 5 D C252 LCD501 A C R227 R228 1 5 TAPE OFF TUNER CD ON SW201 FUNCTION 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 D252 64 65 CNP201 162H 161H/ 141H 162H ONLY R256 D302 D301 D251 60 R252 70 Q251 R253 55 75 J201 HEADPHONES CNS201 P23 8 - B TO SPEAKER FW201 P22 3 - F TO SWITCH PWB 5 H HEADPHONES PWB-A2 1 2 · The numbers 1 to 12 are waveform numbers shown in page 25. 3 4 5 6 Figure 20 WIRING OF P. W. BOARD (1/4) ­ 20 ­ 80 E C B IC501 R255 R251 C154 R160 R541 10 45 41 50 5 1 R533 R534 R535 C105 R531 R539 E 1 E C B E C B J39 C222 R874 C228 R225 C224 XL801 R860 C121 C868 R880 48 49 45 50 C117 C120 R125 33 40 C226 C220 C230 L802 55 60 R101 1 2 3 4 5 6 7 8 9 10 11 1213 R109 C113 C302 C890 35 30 C A C227 C229 C867 IC802 5 C107 C111 R107C109 C123 C231 IC202 C108 C112 C234 1 2 3 E B C843 32 25 16 D H D R108 IC101 C232 IC203 C873 L801 R102 R833 C83 R832 10 C811 R839 8 QT-CD141H/161H//162H PICKUP UNIT P23 11 - H TO PICKUP UNIT P23 10 - G P23 8 - H TO CD MOTOR PWB CNP803 CNS802 7 12 R810 C809 BK WH WH WH WH ECB 10 1 1 BI802 VCO VR1 Q10 C40 R28 D4 R30 C43 C42 R27 BR GY GY GY GY GY 8 9 CNS803 2 3 4 5 6 7 8 WH WH WH WH WH WH WH 1 2 3 4 5 1 2 3 4 5 6 R26 C39 T2 C19 C52 L4 C35 C41 C38 R25 C36 TP2 R829 C849 30 C811 321 R839 R840 R819 C815 R820 R821 C816 C808 R814 R812 R815 C814 R816 C812 R817 R813 C813 C806 Q9 C33 123 C48 R42 R38 17 16 R70 C14 C47 20 15 BCE ECB C820 IC801 R35 R37 C9 R71 C801 55 BI803 33 32 35 30 C32 C817 R823 R822 C819 R827 C822 T3 VD2 10 R826 25 Q4 1 L2 D2 T1 VD1 L1 C11 C6 6 C803 C5 5 123 R801 C802 C888 R44 60 40 64 45 50 C24 R15 C25 D3 R18 C28 R20 C72 C10 R17 1 C830 49 C22 R834 R833 C832 R832 48 C26 R13 C12 C58 R1 987654321 C7 C839 R837 R835 C831 C850 R871 C840 C838 Q5 F1 3 2 17 16 C60 321 R6 R8 Q6 IC1 Q1 C8 C3 C2 ECB L5 C21 C27 20 15 D1 10 IC802 35 30 5 1 C845 R856 R857 C842 C841 C847 25 C837 9 10 11 12 13 14 15 16 C56 40 64 R860 80 48 49 C834 R836 C833 C71 60 R838 C835 D802 C821 C50 ZD1 C57 R45 IC3 87654321 R46 R47 R48 R50 R51 R52 C30 X1 45 50 55 C70 1 R858 R849 C851 R549 R72 R550 C29 R531 R539 R524 R533 R534 R535 R536 R537 R538 R522 R43 MAIN PWB-A1 COLOR TABLE R523 R520 R521 C516 D5 R519 2 3 BR RD(R) OR YL GR BL VL GY WH(W) BK PK BROWN RED ORANGE YELLOW GREEN BLUE VIOLET GRAY WHITE BLACK PINK R510 R552 R518 R517 R509 R513 R512 R511 Q502 Q501 24 R507 R527 R508 R516 R530 R505 D506 R504 D505 R502 C506 20 C513 C512 3 2 1 C521 15 R528 10 R526 1 4 162H ONLY IC501 5 R515 75 80 70 60 R506 D501 D502 BK 64 65 1 C504 L501 C505 BK D504 D503 1 2 1 C511 W601 B C E C509 IC502 R503 C508 C503 C510 R501 C501 ZD501 C502 FW501 SW507 CD LID OPEN/CLOSE C211 R212 C212 R211 C205 4 FW203 1 C519 3 2 1 R208 C210 2 RX501 1 R532 3 R548 987654321 IC201 R209 C207 R204 R203 R205 R210 C208 R206 C206 5 QT-CD161H/ 162H ONLY 1 4 8 R231 FW501 P22 6 - F TO SENSOR PWB SURROUND AMP. PWB-A8 7 8 9 10 11 Figure 21 WIRING OF P. W. BOARD (2/4) ­ 21 ­ 1 R16 R2 R4 C4 C59 R830 R36 C13 R56 Q3 R3 1 C16 R803 C45 R5 TP1 R809 R811 R808 C810 C49 C805 R804 R802 C46 C37 12 10 5 CF2 1 C31 C20 R11 C17 R9 3 2 1 C804 C18 R10 IC2 CF1 C51 R828 R39 C807 R806 R807 R29 C34 R24 20 24 TC1 -2 VD3 -1 L3 AM BAR ANTENNA 5 FM ROD ANTENNA( 210 ) R805 8 13 15 R12 R7 C202 R202 C204 R201 R213 C209 R214 C203 R207 C201 12 QT-CD141H/161H/162H (208) A BATTERIES DC12V["D" size (UM/SUM-1, R20 or HP2) battery x 8] T601 POWER TRANSFORMER F651 T1. 25A L 250V B (230) C653 D653 D652 CNS602 PT PT ACSO +B GND G ACSO YL YL OR RD BK BK OR RD RD C652 C654 D654 D651 C651 SO601 AC SOCKET AC 230-240V 50Hz C TERMINAL PWB-A3 OR OR CNS602 D BATTERYS DC3V["AA" size (UM/SUM-3, R6 or HP-7) battery x 2 for tuner memory] (237) 3 2 1 CNP602 P20 3 - B TO MAIN PWB BATTERY PWB-A4 BACK-UP E BATTERY PWB-A5 P20 3 - H TO MAIN PWB FW201 P21 8 - E TO MAIN PWB FW501 F SWITCH PWB-A6 SW504 5 MEMORY SW503 R546 1 A R544 R547 SW502 FW201 VOLUME VR201 SW501 SW505 4 1 FW501 PRESET DOWN SW506 TUNER DOWN C217 R219 C215 C216 C218 B TUNER UP C520 H 1 2 R545 R220 G BAND PRESET UP 3 4 5 6 Figure 22 WIRING OF P. W. BOARD (3/4) ­ 22 ­ QT-CD141H/161H//162H SPEKERS SP502 R-CH SP501 L-CH P20 2 - H CNP201 TO HEADPHONES PWB 1 WH 2 BK 3 RD CNS201 TAPE COLOR TABLE BR RD(R) OR YL GR BL VL GY WH(W) BK PK BROWN RED ORANGE YELLOW GREEN BLUE GRAY WHITE BLACK PINK VIOLET ERASE HEAD (233-5) RECORD/PLAYBACK HEAD(233-4) WH RD BK BK CNS101 P20 1 - D CNP101 TO MAIN PWB 4 3 2 1 BK WH RD BK BK CD MOTOR PWB-B SPENDLE MOTOR M701 PICK UP UNIT + SLED MOTOR M702 F3895AF SW702 PICKUP IN CNS802 P21 8 - A TO MAIN PWB + 54321 87654321 CNP803 6 5 4 3 2 1 CNS801 P20 6 - A TO MAIN PWB CNS803 P21 10 - A TO MAIN PWB 7 8 9 10 11 12 Figure 23 WIRING OF P. W. BOARD (4/4) ­ 23 ­ QT-CD141H/161H/162H VOLTAGE IC1 PIN VOLTAGE NO. 0. 9V 1 1. 6V 2 6. 8V 3 0V 4 0V 5 6. 8V 6 1. 4V 7 6. 2V 8 6. 8V 9 PIN NO. 1. 6V 13 1. 6V 14 6V (6. 3V) 15 0. 2V (0. 7V) 16 1. 6V 17 0V 18 0V 19 0V 20 2. 5V 21 2. 5V 22 5. 1V (6. 6V) 23 0. 8V (1V) 24 VOLTAGE VOLTAGE 1. 2V (0V) 1. 9V (1. 6V) 1V (1. 3V) 1. 7V 1. 5V (1. 7V) 1. 5V (1. 5V) 0. 4V (0. 4V) 6. 1V (6. 4V) 6. 1V (6. 4V) 1. 6V 1. 6V 1. 6V ( ): AM PIN NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 IC501 VOLTAGE PIN NO. 3. 0V 41 1. 5V 42 ­­ 43 ­­ 44 ­­ 45 ­­ 46 ­­ 47 ­­ 48 5. 0V 49 5. 0V 50 5. 0V 51 ­­ 52 2. 1V 53 54 5. 0V 55 4. 6V 4. 9V 56 4. 9V 57 3. 9V 58 ­­ 59 ­­ 60 ­­ 61 ­­ 62 ­­ 63 4. 0V 64 0. 5V 65 ­­V 66 5. 0V 67 ­­ 68 ­­ 69 2. 0V 70 2. 3V 71 GND 72 ­­ 73 5. 0V 74 5. 4V 75 ­­ 76 ­­ 77 ­­ 78 ­­ 79 ­­ 80 VOLTAGE ­­ ­­ ­­ ­­ ­­ ­­ ­­ ­­ ­­ ­­ ­­ ­­ ­­ ­­ ­­ 2. 2V 2. 2V 2. 2V 2. 2V 2. 2V 2. 2V 2. 2V 2. 2V 2. 2V 2. 2V 2. 2V 2. 2V 2. 2V 2. 2V 2. 2V 2. 2V 2. 2V 5. 0V ­­ ­­ ­­ ­­ ­­ ­­ ­­ IC202 PIN NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 VOLTAGE 0. 1V 0V 11. 2V 0V 11. 3V 0V 0. 1V 12V 10. 4V 5. 8V 0V 5. 8V 10. 4V PIN NO. 1 2 3 4 5 6 7 8 9 IC3 VOLTAGE PIN VOLTAGE NO. 2. 4V 10 ­­ 2. 3V 11 0V 6. 8V 12 2. 3V 0. 1V 13 GND 4. 9V 14 0V 3. 0V 15 ­­ ­­ 16 0. 5V ­­ ­­ IC803 VOLTAGE PIN NO. [. . . ] Square type (without lead wire) VC · · · · · · · · · J . . The 13th character represents capacity difference. ("J" ±5%, "K" ±10%, "M" ±20%, "N" ±30%, "C" ±0. 25 pF, "D" ±0. 5 pF, "Z" +80-20%. ) If there are no indications for the electrolytic capacitors, error is ±20%. Resistors VRD . . . . . . . . . . . . . . . . . . . . . . . Carbon-film type VRS . . . . . . . . . . . . . . . . . . . . . . . . [. . . ]