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XR-P34OM XR-P74OM, XR-P64OM, )(R-P7 XR-P6@, XR-P34O Q. PANEL 1.3 FACILITIES RECEIVER n The XR-P340/XB-P340fi/ is 1ot eaurpped w the butto4s OF a. DOLBY SURROUND button O) ON/OFF (XR-P640/XR-P6/OMonly) ^ (1)' CENTER/REAR button only} {XR-P74|!/XR-P740M _ (? Display (+, -) REAR LEVEL buttons €) only) IXR-P64|!/XR-P640M ^ -l (+, CENTER/REAR LEVEL buttons t3' (XR-P74{I/XR-P740M only} ^ SURROUND ON button Qt (XR-P64O/XR-P6/rcMonly) ^ CENTER MODE bufton €)' (XR-P74{,/XR-PT/OMonly}
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XR-P34()M XR-P621()M, XR-P74()M, &, XR-P64(), XR-P340 xR-P7 DECK TAPE TAPE DECK I ca$etto door TAPE Q (A) q) TAPE I EJECT soction (A TAPE ll EJECT s.ction ) Q) (4) door TAPE ll cassctto fnPt 1/2 soloctor button 6 (XR-P74O/XR- B/C OFF butron DOLBY. NR @ P?40M and XR-P6/0/XR-P640M) pressed, DOLBY NB settlng lime this button is Each chanoesB*C*OFF. (XR-P3/o/XR- NR oN/OFF button oor--ev. @' P3/0M only) pressed, NR sYstem this button is DOLEY Each time turns ON and OFF. pause (
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XR-P340M XR-P74()M, XR-P64()M, XR-P34() xR-P7 N, XR-P640, UNIT REMOTE CONTROL REMOTE CONTROL UN]T PowER butron O (FUNCI Function button @ pressed, function changes in Each timethis button is the the following sequence: + TAPE VIDEO/AUX TUNER BAND bufton TAPE op€ration buttons @ TAPE 1, 56s1 11 >>, Play < >, {SHIFT pause a ll Stop r, Rec l press operation To operate TAPE l. the desired deck (Excepttorthe pressing SHIFTTAPE l. Rec buttonwhile pause a ll button) ONE-TOUCH KABAOKE butt
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XR-P74()M, XR-P640M, XR-P34()M xF|-P7 40, XR-P640, XR-P34() 1.4 DISASSEMBLY CD MECHA ASSY DIAGNOSIS AND REPLACEMENT T 1. Remove the cover. 2. OPEN the tray and lift tray pulling you. the cap, the bottom of the tray cap toward After removing the tray cap, CLOSE the tray. (BBZ30P080FZK) 3. Remove the VOL knob and 2 screws holding the VR place. assy in 4. Remove the 3 screws between the front the chassis. Danel and x2 L/R sides: CBZ30P080FMC x Bottom side: BBZ30P080FZK 1 5. Remove the lead w
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XR-P640M, XR-P340M XR-P740M, xR-P740, XR-P64{J--, XR-P34.o 1.5 BLOCK DIAGRAM XR--P64O\I, XR-P640 ONLY I (XFI-P7401,( 7a0) 30omv -< ""n I ! (XR-P54O'{ 71nV E40) I I POAER AI'IP I I I I S SP OUT I I B\TFFER REAR S VO-Lri€ 't rt I I I I I c sP o{JT I l:oorntl! )cup740M xR-P74o o.LY lc21 03 CENTER I I c vo|-t.tiC BIJFFER I t- - - - XR-P740M XR-P740 otl-Y MIC MIX tc2201 ro TAPE tc3301 (2/21 L,/R BAI-A€E FRONT SP OUT tfll rcr501 1c3501 rl lr (/21 Q/2) t l'i I '5' t I r& x*74o o^{-Y $ ;-
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XR-P740M, XR-P64()M, XR-P340M xR-P7 44, XR-P640, XR-P34() a Pin Module Function of Power Amo Connector No. Name UO Description + 12V. + M o 12V separate system stabilized output - power 2 UNREG input for 12 Unstabilized 12V 3 AC I AC detecrion input: for power ON/OFF and MUTE. - power 4 tzv o Stabilized output for 12V 5 MUTE vo Mute external input; outputs intemal mut€ conditions; cancels forced mute. protective 6 REF, GND I GND Ior circuit; reference GND for short detection cN7l01 7 BLO
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XR-P34()M XR-P740M, XR-P640M, 40, XR-P340 xR-P7 XR-P64trJ_, IC INFORMATION 1.6 c The information shown in the list is basic information in and may not correspond exactly to that shown the schematic diagrams. rc9268F : AF cD AssY) ilc84o1 I Modulation-Type DA Converter with O X-A Built-in 8-fold Oversampling Digital Filter (Top o o Block Diagram Pin Assignment View) LrcK MX MTA K EF rcK WX LrcX rcK EF WA - WX xo XI NX o Pin Function No. Symbol VO Description Remarks I VDD Digital part pow
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XR-P740M, XR-P640M, XR-P340M xR-P7 40 , XR-P6 Q, XR-P340 PD4493A : DtSpLAy I {tC19O1 ASSY for MULTT CDI System O Control Micro-computer o Pin (Top Assignment View) No. Name Function vo Description 15 so1 ]D DAT/ c LSI control data serial outout GO. 16 SIl SQSO I Subcode data Q serial input 60 ? 60a 609 L7 IESEl Reset input cro l8 P74 }162 STB N 9162 strobe output Et LE(DISPL^Y) port (AF EX LE Extension system) latch 19 P73 N (AF) pulse 20 AVss AVss Connected to GND. 2l ANIT A JOG Inpu
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XR-P34()M XR-P74()M, XR-P640M, XR-P34() xR-P7 &, XR-P640, Description Description No. Name Function vo No. Name Function uo LSI operating status multi-mode 69 FIP17 P6 P I P30 SENS iDput FL segment 70 FIP16 P5 P 44 P03 GFS I Frame/syncMock input Connected to 30V. 71 45 INTP2 SCOR I Subcode synch SO + SI input 72 FIP15 P4 P 46 INTPl AC I AC input FIP].4 P3 P 73 FL segment 47 INTPO REM I Remote control sigrral input P2 P 74 FIP13 48 tc Connected to GND. 75 FIP12 P1 P pulse 49 P72 PLL CE PLL latc
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XR-P7@M, XR-P640M, XR-P340M &, XR-P64{J_, XR-P340 xR-P7 PD4492A : DISPLAY ASSY for SINGLE CDI I {lC19O1 O System Control Micro-computel o (Top View) Pin Assignment oooooo _0i!,)))))) oooo: No. Name Function uo Description 15 so1 ]D DATA c LSI control data serial outout GO6 16 SI1 SQSO Subcode data serial input Q co? coa coa L7 RESEl Reset input 6ro Gr r 6ta 18 P74 )162 STB N 9162 strobe output lr cLr ar o^i^ (AF ar Ll(oratLAY) EX LE Extension port system) latch 19 P73 N (AF) pulse 20 AVs
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XR-P64OM. XR-P34OM XR-P74OM, xR-P7 &, XR-P64(), XR-P34() UO Description uo Description No. Name Furction No. Name Function P6 P LSI operating status multi-mode 69 FIP17 43 P30 SENS I FL segment input FIP16 P5 P 70 44 P03 GFS I Frame/syncMock input -30V. Connected to 7L 45 INTP2 SCOR I Subcode synch SO + SI input FIP15 P4 P 46 INTPl AC I AC input FIPl4 P3 P 73 FL segment INTPO REM I Remote control signal input 74 FIP13 P2 to GND. 4a IC Comected FIP12 P1 P pulse 49 P72 PLL CE N PLL latch 76 FI
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XR-P740M, XR-P640M, XR-P34()M xR-P7 Q, XR-P64(), XR-P340 pDGtoSA : ADDoN I flc3951 DtspLAy Assy) (Except XR-P34OM and XR-P34Ol O System Control Micro-computer a Pin Function No. Name Function vo Descliption No. Name Function to Description 27 PAs/AN5 1 PE3/INT3 NO USE 28 PA6/AN6 NO USE 2 PE4/RMC RMC IN I Remote control signal i[put 29 PA7/AN7 3 PE5 NO USE 30 RST Reset signal input 4 PE6 PRO. LOGI o Prologic ON output EXTAL Connected to ceramic 5 PE7ITO (8MHz). oscillator 32 XTAL 6 PBO
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XR-P7@M, XR-P34OM XR-P64OM, xR-P7 40, XR-P64(), XR-P3ZU) TcTso4F : AF GD ASSYI I 0c8402 lnverter O a Pin Assignment View) {Top No. Name Function UO Description T15/S21 S9 'ft4ls22 s10 INA 57 Tr3/S23 sl1 GND OUT Y 'tt2ts24 58 s12 FL control segment o output 59 Tli/525 sl3 60 Tr0/s26 s14 T9tS27 62 T8/528 st6 63 T7 64 T6 65 T5 NO USE 66 T4 T3 68 T2 69 TI G2 o FL control timing output 70 TO G1 (-30V) Offset voltage for FL 71 VFDP VFDP control, 72 VDD VDD +5V Power Supply NC VDD Connected to VD
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XR-P34OM )(R.P7 4OM. XR-P64OM, XR-P64{), XR-P340 xR-P74(), (Vl7O1 AAVTOO2 : DISPLAY ASSY) I O FL Tube B8E =18r6 88t-: o Grid Assignment ot-- -lo1tr ot|€ ooL- -Jorq ooL€ Sl Oqr - -)otz oql...._ t]S n nill fltNfi frl\V'll tFrll 83t-: 83f= =1811 uvvIYJ4 $'uvue v!llj, nnno 4i \ 2 3 Bzc= 82r: IA\UIEU DO BO REPEAT =1810 8rf= =f 89 Brt-: 6 7 8l MEC RNCI5 @TIMER (12G-9G) (BG) PGMs n0 nn n2i WAKEUP tn Rll lBltD n3mnS> ------\sr - h\:- A uffi" kn m"nmnh"mcfu / i nhn, / / |1\\n // n6 | \1nt/
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xR.-P7 4AM, XR-P640M, XR-P340M xR-P74(), XR-P64(), XR-P340 (v3951 lnvzool I : ADDoN DtspLAy Assyl (Except XR-P34OM and XR_P34O) O FL Tube IU o Grid Assignment I l-! tlg lr-{ EG@$0RM4t"F"rflRHT^l P R @ L @M PHANTOM ILSJ \U\V UJJJ szsNz =] 3ah t0G[G ll Il{tn[( s rllltl) a/////// ll \\\\\\N REAR Lah '/// \"" ooo ooo ooo ooo ooo 'll LEVEL N4[SU NI]AX II TEST CIENTER Rah I 81 85 ,.,86 87 82 83 84 e4@Nz r-a-r-F- lN-/11 B8 89 B1A 81 1 812 Bl 3 814 E (G) srafN40N oo-o ooo ooo ooo ooo N4AXJ
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XR-P7@M, XR-P64OM, XR-P3@M xR-P7 40, XR-P64(), XR-P34() 1.7 ADJUSTMENTS 1. TUNER SECTION FM Tuner Section I a Set the mode selector to FM BAND. a Connect the wiring as shown in Fig. I 1. (lkHz, FM SG t 75kHz dev.) Reception Adjustment Adjustment Step No. Frequency Specifications Title Frequency Level Location Display (MHz) (dBpV) 98 Center Adjust so that the DC voltage befween Pin 4 I Non 80 or more L6207 Adjustment and Pin 28 of IC6201 becomes 0Vt50mV. modulation Adjust so that
