Pioneer XC-IS21T Service Manual

Pioneer XC-IS21T Service Manual

Cd tuner deck
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XC-IS21T
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
XC-IS21T
ZUCXJ
O
This product is a system(s) component.
This product does not function properly when independent; to avoid malfunctions, be sure
to connect it to the prescribed system component(s), otherwise damage may result.
Component

CD TUNER DECK

STEREO POWER AMPLIFIER
SPEAKER SYSTEM
CONTENTS
1. SAFETY INFORMATION ....................................... 2
4. PCB CONNECTION DIAGRAM ........................... 34
5. PCB PARTS LIST ................................................ 46
6. ADJUSTMENT ..................................................... 51
7. GENERAL INFORMATION .................................. 57
PIONEER ELECTRONIC CORPORATION
PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Allexandra Road, #04-01, Singapore 159936
c
PIONEER ELECTRONIC CORPORATION 1999
Power Requirement
DC power supply from other system
System
IS-21T
XC-IS21T
M-IS21
S-IS21
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
Service Manual
RRV2148
This service manual
RRV2143
RRV2141
7.1 DIAGNOSIS ................................................... 57
7.1.1 SEQUNCE AFTER THE POWER ON ... 57
7.1.3 DISASSEMBLY .................................... 60
7.1.4 PCB LOCATION ................................... 64
7.2 PARTS ........................................................... 65
7.2.1 IC .......................................................... 65
T – ZZY MAY 1999 Printed in Japan
ORDER NO.
RRV2148
Remarks
Remarks

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Summary of Contents for Pioneer XC-IS21T

  • Page 1: Cd Tuner Deck

    PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Allexandra Road, #04-01, Singapore 159936 PIONEER ELECTRONIC CORPORATION 1999 T –...
  • Page 2: Safety Information

    This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of California to cause cancer, birth defects or other reproductive harm. Health & Safety Code Section 25249.6 – Proposition 65 IMPORTANT THIS PIONEER APPARATUS CONTAINS LASER DIODE CHARACTERISTICS LASER OF CLASS 1. MAXIMUM OUTPUT POWER: 5 mw...
  • Page 3: Exploded Views And Parts List

    XC-IS21T 2. EXPLODED VIEWS AND PARTS LIST • NOTES: Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List. • mark found on some component parts indicates the importance of the safety factor of the part.
  • Page 4 XC-IS21T 2.2 EXTERIOR (1/2) Refer to "2.4 FRONT PANAEL ASSY (1/2) and 2.5 FRONT PANEL ASSY (2/2)"...
  • Page 5 XC-IS21T (1) EXTERIOR (1/2) PARTS LIST Mark No. Description Parts No. Rear Cover AMC7029 Cussion Rubber AEB7154 Jack Door AAN7188 Jog Lens AAK7651 Jog Knob AAA7005 Tray Cap AAK7622 Tray Seal RRW1162 Jog Escutcheon AAK7620 Screw BBZ30P080FMC Screw VPZ30P100FMC Screw...
  • Page 6 XC-IS21T 2.3 EXTERIOR (2/2) Refer to " 2.7 DECK MECHANISM UNIT " 17 16...
  • Page 7 XC-IS21T ÷ EXTERIOR (2/2) PARTS LIST Mark No. Description Parts No. U- COM ASSY AWU7327 DECK ASSY AWU7334 AF ASSY AWU7298 R- TERMINAL ASSY AWU7315 FM/AM TUNER MODULE AXQ7065 Deck Shield AEC7209 DECK MECHANISM UNIT AXA7075 Chassis M ANA7087 Rear Panel...
  • Page 8 XC-IS21T 2.4 FRONT PANEL ASSY (1/2)
  • Page 9 XC-IS21T ÷ FRONT PANEL ASSY (1/2) PARTS LIST Mark No. Description Parts No. FRONT PANEL ASSY AWU7308 CD CLOSE SW ASSY AWU7320 CD OPEN SW ASSY AWU7319 F- TERMINAL ASSY AWU7311 LCD ASSY (TC) AWU7354 LIGHT- L ASSY AWU7321 Lens Holder M...
  • Page 10 XC-IS21T 2.5 FRONT PANEL ASSY (2/2) Refer to Note 1 Cutting Position "2.6 CD MECHANISM ASSY" (No.13 (Mecha Holder) No.13 Note 1 (1/2) 13 (1/2) Cutting No.13 (2/2) 13 (2/2) Note 1...
  • Page 11 XC-IS21T ÷ FRONT PANEL ASSY (2/2) PARTS LIST Mark No. Description Parts No. CD MOTOR ASSY AWU7318 CD ASSY AWU7305 Slider Motor VXM1033 Motor Shield ANK7067 Motor Pulley PNW1634 Gear Holder AMR7240 Gear A ANW7063 Gear B AMR7260 Gear Pulley A...
  • Page 12 XC-IS21T 2.6 CD MECHANISM ASSY ÷ CD MECHANISM ASSY PARTS LIST Mark No. Description Parts No. KSS-620A(RP) 8-820-063-(03) Sled Screw Assy X-2646-389-(1) Sled Motor Assy A-4912-199-(A) MD Assy X-2646-482-(1) Geer BN 2-627-751-(02) Rack Spring 2-646-912-(01) Holder 2-646-913-(01) Tapping Screw 2-646-352-01...
  • Page 13 XC-IS21T 2.7 DECK MECHANISM UNIT (1/2) Refer to "2.8 DECK MECHANISM UNIT (2/2)". ÷ DECK MECHANISM UNIT (1/2) PARTS LIST Mark No. Description Parts No. Mark No. Description Parts No. Screw FG114-14 Slider FD57E-11 LDG Belt FF19L-12 Screw UG12H-15 Switch...
  • Page 14 XC-IS21T 2.8 DECK MECHANISM UNIT (2/2)
  • Page 15 XC-IS21T ÷ DECK MECHANISM UNIT (2/2) PARTS LIST Mark No. Description Parts No. Screw KG194-36 Reel Feather FD57D-13 Screw UG11S-14 SP Reel(L) FK32U-12 SP Brake FK33B-13 SP Arm Play FK33P-11 SP Reel(R) FK32V-12 Spring Cassette FC65M-11 BKT MTR FC64M-12 Reel Base...
  • Page 16: Block Diagram And Schematic Diagram

    XC-IS21T 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM MECHA ASSY DECK ASSY REC/PB Q2301 IC2301 HEAD CN2301 (2SK373) (NJM4558M) PB L VR2301 (PB LEVEL) (PB) IC2201 (HA1236AF) IC2401 (BA4558MD) DOLBY NR J2201 L2201 (REC) REC L CN2302 REC IN L...
  • Page 17 XC-IS21T SIGNAL ROUTE (CD) (LO2) : CD AUDIO SIGNAL : LINE OUT 2 SIGNAL (L1) (LO) : LINE 1 SIGNAL : LINE OUT SIGNAL (PB) (REC) : DECK PB SIGNAL : RECORDING SIGNAL (L2) F- TERMINAL (FS) : LINE 2 SIGNAL...
  • Page 18: Overall Connection Diagram

    XC-IS21T 3.2 OVERALL CONNECTION DIAGRAM F-TERMINAL ASSY (AWU7311) J103 J107 AF ASSY (AWU7298) CN11 J101 CD MOTOR J111 ASSY (AWU7318) CN1301 CD ASSY (AWU7305) CN1101 CN6201 CN161 CN110 CN10 U- COM ASSY (AWU7327) CN90 CN80 CN190 CN180 LCD ASSY (AWU7354)
  • Page 19 XC-IS21T Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST". To. STEREO POWER AMP (M-IS21) To. OPTION DECK CN7102 CN7101 R-TERMINAL ASSY CN132 CN131 (AWU7315) CN2603 CN31 CN32 CN2701...
  • Page 20 XC-IS21T 3.3 FM/AM TUNER MODULE and TX CONNECT ASSYS MIX AMP RF AMP (FM) (FM) (FM) (FM) 1T378A BUFFER (FM) IF AMP FM +B SW (AM) (AM) (AM) (FM) (AM) (AM) MW RF TUNING BLOCK AKX7041 (AM) : AM SIGNAL ROUTE...
  • Page 21 XC-IS21T CN161 D20PYY1315 (FM) AF AMP (AM) (TX) (TX) (TX) AF AMP CN6201 REGULATOR (AM)
  • Page 22 XC-IS21T 3.4 U-COM and LCD ASSYS LCD ASSY (AWU7354) CN190 CN180 CN90 CN80 L5509 L5510 U-COM ASSY (AWU7327) CN20 J2202...
  • Page 23 XC-IS21T CN150 CN50 SIGNAL ROUTE (TX) : TUNER AUDIO SIGNAL CN105 L5508 IC5501 PDG242 L5507 L5506 L5505 L5504 -L5506 L5504 LINE 2 MUTE (TX) CN10 CN110...
  • Page 24 XC-IS21T 3.5 AF ASSY J107 (REC) (LO) (L2) (L2) (LO) AF ASSY (AWU7298) (TX) (CD) (MO) (PB) (L2) (CD) (TX) (L1) J101 (CD) (PB) J2201 (REC) (PB) (REC) (L1) (L1) SIGNAL ROUTE (CD) : CD AUDIO SIGNAL (L1) : LINE 1 SIGNAL...
  • Page 25 XC-IS21T J103 (LO1) (LO1) (L2) (LO) CN31 (MO)) CN131 (MO)) (MO) (MO) (LO1) (LO1) (L1) (L1) CN132 CN32 S5688G S5688G (L1)
  • Page 26 XC-IS21T 3.6 CD and CD MOTOR ASSYS CD ASSY (AWU7305) (SM) (SM) (CM) (CM) (TS) (TS) (FS) (FS) (FS) Note: The encircled numbers denote measuring point in the schematic diagram. IC1101- Pin 16: IC1101- Pin 13 : PLAY MODE (RF)
  • Page 27 XC-IS21T J101 (SM) (CM) (CM) (TS) (TS) (FS) (FS) (FS) CN10 CN110 (TS) CD MOTOR ASSY (AWU7318) J111 CN11...
  • Page 28 XC-IS21T 3.7 R-TERMINAL and F-TERMINAL ASSYS R- TERMINAL ASSY (AWU7315) CN131 CN7101 CN31 VTL1096 (MO) VTL1096 (L1) (L1) (LO1) VTL1096 CN32 VTL1096 (L1) (LO1) VTL1096 VTL1096 CN132 (MO) (MO) SIGNAL ROUTE (MO) : MAIN OUT SIGNAL (L1) : LINE 1 SIGNAL...
  • Page 29 XC-IS21T F- TERMINAL ASSY (AWU7311) SIGNAL ROUTE (L2) : LINE2 SIGNAL (LO2) : LINE OUT2 SIGNA (L2) (L2) (LO2) J103...
  • Page 30 XC-IS21T 3.8 DECK ASSY DECK ASSY (AWU7334) (PB) CN2301 (PB) (PB) CN2302 (PB) (REC) (REC) SIGNAL ROUTE (PB) : PB SIGNAL (REC) : RECORDING SIGNAL...
  • Page 31 XC-IS21T J2201 (PB) (PB) J2202 (PB) (REC) (PB) (REC) CN20 (REC) CN2701 CN2603...
  • Page 32 XC-IS21T 3.9 FRONT PANEL, LIGHT-L, CD OPEN SW and CD CLOSE SW ASSYS CN50 CN150 CN51 LIGHT-L ASSY DTA143EK-TLB (AWU7321) DTC124EK-TLB FRONT PANEL ASSY (AWU7308)
  • Page 33 XC-IS21T FRONT PANEL ASSY (SW name) S5901: POWER (STANDBY/ON) S5909: TREBLE S5917: /TUNING- S5902: DISPLAY/RDS S5910: PLAY/PAUSE S5918: BALANCE S5903: TIMER REC/WAKE UP S5911: ST.WIDE S5919: CD S5904: TAPE/OPEN/CLOSE S5912: BASS S5920: STATION MEMORY S5905: TAPE S5913: STOP S5921: FREQ/STATION...
  • Page 34: Pcb Connection Diagram

    XC-IS21T 4. PCB CONNECTION DIAGRAM NOTE FOR PCB DIAGRAMS : 1. Part numbers in PCB diagrams match those in the schematic 3. The parts mounted on this PCB include all necessary parts for diagrams. several destinations. 2. A comparison between the main parts of PCB and schematic For further information for respective destinations, be sure to diagrams is shown below.
  • Page 35 XC-IS21T 4.1 FM/AM TUNER MODULE and TX CONNECT ASSY TX CONNECT ASSY SIDE A (ANP7302-B) FM/AM TUNER MODULE VR6201 Q6204 Q6203 SIDE B FM/AM TUNER MODULE (ANP7159-B) IC6201 Q6201 Q6202 Q6301 Q6303 Q6302 Q6304 Q6401 IC6202 Q6214 Q6403 Q6306 Q6404...
  • Page 36 XC-IS21T 4.2 U-COM and LCD ASSYS LCD ASSY SIDE A (ANP7301-B) U-COM ASSY CN150 (ANP7302-B) J2202 CN110...
  • Page 37 XC-IS21T SIDE B U-COM ASSY (ANP7302-B) IC5501 IC5503 IC5502 Q5731 Q5511 Q5512 Q5501 Q5502 Q5752 Q5702 Q5503 Q5701...
  • Page 38 XC-IS21T 4.3 AF, F-TERMINAL and R-TERMINAL ASSYS F-TERMINAL ASSY J101 (ANP7301-B) J2201 IC141 IC131 IC4001 AF ASSY CD TOUCH (ANP7301-B) CN105 R-TERMINAL ASSY SIDE A (ANP7301-B)
  • Page 39 XC-IS21T F-TERMINAL ASSY (ANP7301-B) AF ASSY (ANP7301-B) IC7301 IC3002 Q3005 Q3006 Q3004 Q3009 Q3015 Q3014 Q3011 Q3001 Q3002 Q3003 Q3013 Q3010 R-TERMINAL ASSY SIDE B (ANP7301-B)
  • Page 40 XC-IS21T 4.4 CD and CD MOTOR ASSYS CD MOTOR SIDE A ASSY (ANP7301-B) CD ASSY CD MECHA (ANP7301-B) Q7005- Q7008 Q1101 CD MECHA CN10...
  • Page 41 XC-IS21T SIDE B CD ASSY Q7004 Q1403 Q1404 Q1402 Q1401 Q7002 Q7003 IC1201 Q1202 IC1301 Q7001 (ANP7301-B)
  • Page 42 XC-IS21T 4.5 DECK ASSY DECK ASSY DECK MECHA (ANP7302-B) Q2702 Q2701 Q2708 Q2805 Q2301 Q2801 Q2802 Q2803 Q2806 Q2802 VR2302 Q2704 Q2703 VR2701 VR2801 VR2802 VR2401 VR2402 CN20 DECK MECHA DECK MECHA DECK MECHA SIDE A...
  • Page 43 XC-IS21T DECK ASSY Q2305 IC2301 Q2303 Q2306 Q2304 Q2401 (ANP7302-B) Q2402 Q2452 Q2451 IC2401 IC2201 Q2254 Q2253 Q2251 IC2202 Q2262 Q2261 Q2263 Q2351 Q2201 Q2252 Q2602 Q2603 IC2601 Q2707 Q2709 Q2705 Q2711 Q2710 Q2706 SIDE B...
  • Page 44 XC-IS21T 4.6 FRONT PANEL, LIGHT-L, CD CLOSE SW and CD OPEN SW ASSYS FRONT PANEL ASSY CD OPEN SW ASSY (ANP7301-B) CD CLOSE SW ASSY (ANP7301-B) CN50 LIGHT-L ASSY (ANP7301-B) (ANP7301-B) SIDE A...
  • Page 45 XC-IS21T FRONT PANEL ASSY Q5902 Q5901 Q5903 (ANP7301-B) SIDE B...
  • Page 46: Pcb Parts List

    XC-IS21T 5. PCB PARTS LIST • NOTES: Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List. • mark found on some component parts indicates the importance of the safety factor of the part.
  • Page 47 XC-IS21T Mark No. Description Part No. Mark No. Description Part No. RESISTORS C132, C142, C3017, C3018, C3044 CKSQYF104Z50 R6280 RD1/4PU101J C3099, C7305 CKSQYF104Z50 R6413, R6416, R6418, R6906, R6909 RS1/8S0R0J C3045, C3046 CKSQYF684Z16 R6401 RS1/8S470J VR6201 (10kΩ) PCP1029 Other Resistors RS1/10S&&& J...
  • Page 48: Front Panel Assy

    XC-IS21T Mark No. Description Part No. Mark No. Description Part No. C1204–C1206, C1237, C1253, C1271 CKSQYB103K50 F-TERMINAL ASSY C1416, C1605 CKSQYB103K50 C1245 CKSQYB104K25 SEMICONDUCTORS C1236 CKSQYB152K50 D7211, D7212 1SS355 C1231 CKSQYB332K50 COILS AND FILTERS C1341, C1342 CKSQYB333K50 L7202, L7203, L7211, L7212...
  • Page 49 XC-IS21T Mark No. Description Part No. Mark No. Description Part No. CD CLOSE SW ASSY C5528, C5529, C5531, C5545, C5546 CKSQYB103K50 C5524–C5526 CKSQYB104K25 SWITCHES AND RELAYS C5504, C5506, C5510, C5511, C5523 CKSQYF104Z50 S7403, S7404 ASG7015 C5532, C5535, C5536, C5542 CKSQYF104Z50...
  • Page 50 XC-IS21T Mark No. Description Part No. CAPACITORS C2809 CCCSL151K2H C2301, C2302 CCSQCH100D50 C2423, C2424 CCSQCH221J50 C2253 CCSQCH271J50 C2303, C2304 CCSQCH681J50 C2203, C2204, C2207, C2215 CEAT100M50 C2311, C2312, C2407, C2408 CEAT100M50 C2701 CEAT101M16 C2201, C2202, C2217, C2218, C2255 CEAT1R0M50 C2403, C2404...
  • Page 51: Adjustment

    XC-IS21T 6. ADJUSTMENT For adjustment, use the stereo power amplifier (M-IS21). 6.1 DECK SECTION 6.1.1 Adjustment Condition 7 List of Adjustments (1) The ground at the time of adjustment shall be W166. ¶ Playback Section (Refer to Fig. 6–3). (2) Clean the heads and demagnetize them using a head eraser.
  • Page 52 XC-IS21T 6.1.2 Playback Section (1) Tape Speed Confirmation Mode Input Signal/Test Tape Adjustment Points Measurement Points Adjustment Value Remarks FWD adjustment VR2701 (DECK ASSY) TP R (C2204) 3000 Hz PLAY NCT-111 (3 kHz) REV Confirmation –10 (Refer to Fig. 6-3)
  • Page 53 XC-IS21T DECK ASSY SIDE A C2203 (TP Lch) VR2301 (Lch) PB LEVEL C2204 (TP Rch) W166 VR2302 (TP GND) (Rch) REC LEVEL VR2401 VR2402 (Lch) (Rch) TAPE SPEED BIAS VR2701 VR2801 VR2802 (Lch) (Rch) MECHANISM UNIT REV Azimuth FWD Azimuth...
  • Page 54 XC-IS21T 6.2 CD SECTION Note : There is no information to be shown in this CD adjustment. 6.2.1 HOW TO START / CANCEL TEST MODE TEST MODE : ON TEST MODE W302 W302 Short circuit Release TEST MODE W301 W301...
  • Page 55 XC-IS21T FUNCTION OF CD TEST MODE OPEN/CLOSE CD cover Open / Close Carriage IN DISPLAY Carriage OUT Laser diode: LIGHT UP Focus servo: ON Spindle kick, STOP Tracking servo, Slider servo: ON/OFF TEST MODE : PLAY DISPLAY TEST DISC: YEDS-7...
  • Page 56: Tuner Section

    XC-IS21T 6.3 TUNER SECTION 6.3.1 FM TUNER SECTION Set the mode selector to FM BAND. Connect the wiring as shown in Fig. 6-5. FM SG (1kHz, ±75kHz dev.) Reception Adjustment Adjustment Step No. Frequency Specifications Frequency Level Title Location Display (MHz) (dBµV)
  • Page 57: General Information

    XC-IS21T 7. GENERAL INFORMATION 7.1 DIAGNOSIS 7.1.1 SEQUNCE AFTER THE POWER ON Note 1 : IC No. or P∗∗ without name indicate the pin No. Note ; ∗1 : System bus communication of microcomputer. P29 SYSCLK P46 SYSDATA P47 SYSREQ Standby states ∗2 : Starts the LCD communication...
  • Page 58: Single Operation Method

    XC-IS21T 7.1.2 SINGLE OPERATION METHOD Jigs and Measuring instruments Low-frequency DC power- oscillator supplay Single operation method and frequnency oscilator inputlevel. 1. Connect part A of the AF ASSY [W420(+8V),W421 (+15V), W422 (+5.6V), W423(GND) and DC power-supplay. (Refer to Fig. 7-1.)
  • Page 59 XC-IS21T AF ASSY W420..+8V SIDE A Fig. 7-1 W421..+15V W422..+5.6V W423..GND U-COM ASSY Frequency: 50 or 60Hz SIDE A Fig. 7-2 Level: Approx. 2Vrms CN105 pin8 (AC)
  • Page 60: Disassembly

    XC-IS21T 7.1.3 DISASSEMBLY Note : Flexible cables are not removed in the case of the adjustment, but remove Front Panel Assy the Flexible cables to apply in the case of the exchange or repair. • Bottom View Front Side ×2...
  • Page 61 XC-IS21T CD Mechanism Assy CD Assy ×2 Shield Plate CD Mechanism Assy CD Mechanism Assy CD Assy Caution : When the CD Assy is pulled out, it is careful of the breaking down of the Flexible Cable. Exchange...
  • Page 62 XC-IS21T CD Door Drive Block Deck Mechanism Unit AF Assy CD Door Independent power supply point Remove the CD Door CD Door Drive Block U-COM Assy ×2 ×2 ×4 TEST 2 Test Point Exchange...
  • Page 63 XC-IS21T DECK Assy Note Slide CD Door OPEN/CLOSE When a connector CN7 of AF Assy is removed for the touch sensor system, sensor does not work and CD Door can't open and close. CD Door can open when the land of CN7 at the foil side is short-circuited with the finger.
  • Page 64: Pcb Location

    XC-IS21T 7.1.4 PCB LOCATION CD ASSY LCD ASSY CD CLOSE SW ASSY LIGHT-L ASSY FRONT PANEL ASSY CD MOTOR AF ASSY ASSY R-TERMINAL ASSY CD OPEN SW ASSY U-COM ASSY F-TERMINAL ASSY DECK ASSY TX CONECT ASSY TUNER MODULE REAR...
  • Page 65: Parts

    XC-IS21T 7.2 PARTS 7.2.1 IC • The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams. CXA1821M (CD ASSY : IC1101) • RF AMP. IC • Block Diagram 164k...
  • Page 66 XC-IS21T CXD2587Q (CD ASSY : IC1201) • SERVO IC • Block Diagram 16 18 64 15 19 61 62 63 TES1 TEST XRST Clock Error Generator Corrector RMUT Senal-In RFAC Interface Demodurator Interface LMUT ASYI Asymmetry XTAI ASYO Over Sampling...
  • Page 67 XC-IS21T • Pin Function ¡N- Pin Name Function Pin Name Function SubQ 80-bit, PCM peak and level data output SQSO Tracking error input CD TEXT data output SQCK Clock input for SQSO readout Center servo analog input XRST System reset Reset when "L"...
  • Page 68 XC-IS21T PDG242 (U-COM ASSY : IC5501) • System Control IC • Pin Function No. Name I/O Description No. Name I/O Description TCRECF Mecha RECF SW 41 PROTECT O Protect detection input TCTIN O TAPE Tray load in 42 SIMUKE O Model type select input...
  • Page 69 XC-IS21T...
  • Page 70: Panel Facilities And Specifications

    XC-IS21T 8. PANEL FACILITIES AND SPECIFICATIONS 8.1 PANEL FACILITIES Front Panel...
  • Page 71 XC-IS21T [CD Tuner Deck] ‚ ¡ ™ ¡ ™ ∞ ¢ & ( · 1 CD cover OPEN/CLOSE touch sensor = CD button ~ ASES button 2 CD spindle ! Stop (7) button 3 CD slide cover & BALANCE button...
  • Page 72 XC-IS21T Display [CD Tuner Deck] & _ + ¡ # 8 6 Display window 6 Lights when Dolby NR on optional cassette deck is ON. 7 Lights when using A.S.E.S. (Auto Synchro Editing System). 8 Lights when optional cassette deck is set to recording mode.
  • Page 73 XC-IS21T Remote Control Unit 0 CD/MD/TAPE/TUNER operation buttons [CD Tuner Deck] [CD/MD operation] : Play/pause button : Stop button 1, ¡ : Manual search buttons 4, ¢ : Track search buttons [TAPE operation] : Play button : Stop button 1, ¡ : Fast forward, fast reverse buttons 4, ¢...
  • Page 74: Specifications

    XC-IS21T 8.2 SPECIFICATIONS 7 Amplifier Section 7 Micellaneous (Stereo power amplifier : M-IS21) Continuous average power output of 55 watts* per Power Requirements .......... AC120 V, 60 Hz Power Consumption ..........120 W, 160 VA channel, min., at 6 ohms, from 60 Hz to 15,000 Hz Power Consumption in standby mode ........

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