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Pioneer XC-IS21T Service Manual
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Pioneer XC-IS21T Service Manual

Cd tuner deck
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3 7 63 1515 0
CD TUNER DECK
XC-IS21T
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
XC-IS21T
ZYXJ
TE
L 13942296513
ZVXJ
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
www
7.1 PARTS ........................................................... 57
7.1.1 IC .......................................................... 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
http://www.xiaoyu163.com
Power Requirement
O
DC power supply from other system
O
DC power supply from other system
System
IS-21T
XC-IS21T
M-IS21
S-IS21
x
ao
y
i
http://www.xiaoyu163.com
8
Q Q
3
6 7
1 3
Service Manual
RRV2123
RRV2129
RRV2128
7.2 DIAGNOSIS ................................................... 61
7.2.1 DISASSEMBLY .................................... 61
7.2.4 PCB LOCATION ................................... 68
u163
.
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
2 9
9 4
2 8
Remarks
1 5
0 5
8
2 9
9 4
Remarks
This service manual
m
co
T - ZZY APR. 1999 Printed in Japan
9 9
ORDER NO.
RRV2123
2 8
9 9

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Summary of Contents for Pioneer XC-IS21T

  • Page 1: Table Of Contents

    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

    If you are not qualified to perform the repair of this product properly and safely, you should not risk trying to do so and refer the repair to a qualified service technician. IMPORTANT THIS PIONEER APPARATUS CONTAINS LASER DIODE CHARACTERISTICS LASER OF CLASS 1.

  • Page 3: Exploded Views And Parts List

    Side Pad MR AHA7241 Packing Sheet AHG7053 Packing Case AHD7750 (2) CONTRAST TABLE Battery Cover AZA7331 XC-IS21T/ZYXJ and ZVXJ are constructed the same except for the following: Part No. Symbol and Description Mark Remarks ZYXJ type ZVXJ type Operating Instructions ARC7255...

  • Page 4: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 2.2 EXTERIOR (1/2) Refer to "2.4 FRONT PANAEL ASSY (1/2) and 2.5 FRONT PANEL ASSY (2/2)" ZYXJ type Only L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 5: Xc-Is21T

    AAL7225 Caution Label See Contrast table (2) Caution Label See Contrast table (2) (2) CONTRAST TABLE L 13942296513 XC-IS21T/ZYXJ and ZVXJ are constructed the same except for the following: Part No. Symbol and Description Mark Remarks ZYXJ type ZVXJ type...

  • Page 6: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 2.3 EXTERIOR (2/2) Refer to " 2.7 DECK MECHANISM UNIT " L 13942296513 17 16 u163 http://www.xiaoyu163.com...

  • Page 7: Deck Mechanism Unit

    XC-IS21T 3 7 63 1515 0 ÷ EXTERIOR (2/2) PARTS LIST Mark No. Description Parts No. U- COM ASSY AWU7325 DECK ASSY AWU7333 AF ASSY AWU7296 R- TERMINAL ASSY AWU7314 FM/AM TUNER MODULE AXQ7068 Deck Shield AEC7209 DECK MECHANISM UNIT...
  • Page 8 XC-IS21T 3 7 63 1515 0 2.4 FRONT PANEL ASSY (1/2) L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 9: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 ÷ FRONT PANEL ASSY (1/2) PARTS LIST Mark No. Description Parts No. FRONT PANEL ASSY AWU7308 CD CLOSE SW ASSY AWU7320 CO OPEN SW ASSY AWU7319 F- TERMINAL ASSY AWU7310 LCD ASSY (TC)

  • Page 10: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 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 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 11: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 ÷ FRONT PANEL ASSY (2/2) PARTS LIST Mark No. Description Parts No. CD MOTOR ASSY AWU7318 CD ASSY AWU7304 Slider Motor VXM1033 Motor Shield ANK7067 Motor Pulley PNW1634 Gear Holder AMR7240 Gear A...

  • Page 12: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 2.6 CD MECHANISM ASSY L 13942296513 ÷ CD MECHANISM ASSY PARTS LIST Mark No. Description Parts No. KSS-62A(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 2-627-761-(02)

  • Page 13: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 2.7 DECK MECHANISM UNIT (1/2) L 13942296513 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...

  • Page 14: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 2.8 DECK MECHANISM UNIT (2/2) L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 15: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 ÷ 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...

  • Page 16: Block Diagram And Schematic Diagram

    XC-IS21T 3 7 63 1515 0 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...

  • Page 17: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 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)

  • Page 18: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 3.2 OVERALL CONNECTION DIAGRAM F-TERMINAL ASSY (AWU7310) J103 J107 AF ASSY (AWU7296) CN11 J101 CD MOTOR J111 ASSY (AWU7318) L 13942296513 CN1301 CD ASSY (AWU7304) CN1101 CN6201 CN161 CN110 CN10 U- COM ASSY...

  • Page 19: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 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...

  • Page 20: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 3.3 TUNER ASSY MIX AMP RF AMP (FM) (FM) BUFFER IF AMP L 13942296513 FM +B SW (AM) (AM) (AM) (AM) (FM) (AM) AM RF TUNING BLOCK u163 FM/AM TUNER MODULE (AXQ7068) (AM)

  • Page 21: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 CN161 D20PYY1315 (FM) AF AMP (AM) (TX) (TX) (TX) AF AMP L 13942296513 CN6201 REGULATOR (AM) u163 http://www.xiaoyu163.com...

  • Page 22: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 3.4 U-COM and LCD ASSYS LCD ASSY (AWU7354) CN190 CN180 CN90 CN80 L5509 L5510 L 13942296513 U-COM ASSY (AWU7325) u163 CN20 J2202 http://www.xiaoyu163.com...

  • Page 23: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 CN150 CN50 SIGNAL ROUTE (TX) : TUNER AUDIO SIGNAL CN105 L5508 IC5501 PDG242B L5507 L 13942296513 L5506 L5505 L5504 -L5506 L5504 LINE 2 MUTE (TX) CN10 CN110 u163 http://www.xiaoyu163.com...

  • Page 24: Xc-Is21T

    XC-IS21T 3.5 AF ASSY 3 7 63 1515 0 J107 (REC) (LO) (L2) (L2) (LO) AF ASSY (AWU7296) (TX) (CD) (MO) (PB) (L2) (CD) (TX) (L1) J101 (CD) L 13942296513 (PB) J2201 (REC) (PB) (REC) (L1) (L1) SIGNAL ROUTE...

  • Page 25: Xc-Is21T

    XC-IS21T J103 3 7 63 1515 0 (LO1) (LO1) (L2) (LO) CN31 (MO)) CN131 (MO)) (MO) (MO) (LO1) (LO1) L 13942296513 (L1) (L1) CN132 CN32 S5688G S5688G (L1) u163 http://www.xiaoyu163.com...

  • Page 26: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 3.6 CD and CD MOTOR ASSYS CD ASSY (AWU7304) (SM) (SM) (CM) (CM) (TS) (TS) (FS) (FS) (FS) L 13942296513 Note: The encircled numbers denote measuring point in the schematic diagram. IC1101- Pin 16:...

  • Page 27: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 J101 (SM) (CM) (CM) (TS) (TS) (FS) (FS) (FS) CN10 L 13942296513 CN110 (TS) CD MOTOR ASSY (AWU7318) J111 CN11 u163 http://www.xiaoyu163.com...

  • Page 28: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 3.7 REAR and FRONT ASSYS R- TERMINAL ASSY (AWU7314) CN131 CN7101 CN31 VTL1096 (MO) VTL1096 (L1) (L1) L 13942296513 (LO1) VTL1096 CN32 VTL1096 (L1) (LO1) VTL1096 VTL1096 CN132 (MO) (MO) SIGNAL ROUTE (MO)

  • Page 29: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 F- TERMINAL ASSY (AWU7310) SIGNAL ROUTE (L2) : LINE2 SIGNAL (LO2) : LINE OUT2 SIGNA (L2) (L2) L 13942296513 (LO2) J103 u163 http://www.xiaoyu163.com...

  • Page 30: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 3.8 DECK ASSY DECK ASSY (AWU7333) (PB) CN2301 (PB) (PB) CN2302 (PB) (REC) L 13942296513 (REC) SIGNAL ROUTE (PB) : PB SIGNAL (REC) : RECORDING SIGNAL u163 http://www.xiaoyu163.com...

  • Page 31: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 J2201 (PB) (PB) J2202 (PB) (REC) (PB) (REC) CN20 (REC) L 13942296513 CN2701 CN2603 u163 http://www.xiaoyu163.com...

  • Page 32: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 3.9 FRONT PANEL, LIGHT-L, CD OPEN SW and CD CLOSE SW ASSYS CN50 CN150 CN51 L 13942296513 LIGHT-L ASSY (AWU7321) FRONT PANEL ASSY (AWU7308) u163 http://www.xiaoyu163.com...

  • Page 33: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 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...

  • Page 34: Pcb Connection Diagram

    XC-IS21T 3 7 63 1515 0 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.

  • Page 35: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 4.1 TUNER MODULE TX CONNECT ASSY (ANP7302-B) SIDE A FM/AM TUNER MODULE L 13942296513 VR6201 (ANP7160-B) Q6204 Q6203 SIDE B FM/AM TUNER MODULE Q6101 Q6102 – Q6105 IC6202 Q6501 Q6214 Q6601 Q6202 Q6201...

  • Page 36: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 4.2 U-COM and LCD ASSYS LCD ASSY SIDE A (ANP7301-B) U-COM ASSY CN150 L 13942296513 u163 (ANP7302-B) J2202 J160 CN110 http://www.xiaoyu163.com...

  • Page 37: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 SIDE B U-COM ASSY L 13942296513 u163 (ANP7302-B) IC5501 IC5503 IC5502 Q5731 Q5511 Q5512 Q5501 Q5502 Q5752 Q5702 Q5503 Q5701 http://www.xiaoyu163.com...

  • Page 38: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 4.3 AF, F-TERMINAL and R-TERMINAL ASSYS F-TERMINAL ASSY J101 (ANP7301-B) J2201 IC141 IC131 IC4001 AF ASSY CD TOUCH L 13942296513 (ANP7301-B) CN105 R-TERMINAL ASSY u163 SIDE A (ANP7301-B) http://www.xiaoyu163.com...

  • Page 39: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 F-TERMINAL ASSY (ANP7301-B) AF ASSY L 13942296513 (ANP7301-B) IC7301 IC3002 Q3005 Q3006 Q3004 Q3009 Q3015 Q3014 Q3011 Q3001 Q3002 Q3003 Q3013 Q3010 R-TERMINAL ASSY u163 SIDE B (ANP7301-B) http://www.xiaoyu163.com...

  • Page 40: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 4.4 CD and CD MOTOR ASSYS CD MOTOR SIDE A ASSY (ANP7301-B) CD ASSY CD MECHA L 13942296513 (ANP7301-B) Q7005- Q7008 Q1101 CD MECHA CN10 u163 http://www.xiaoyu163.com...

  • Page 41: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 SIDE B CD ASSY Q7004 Q1403 Q1404 Q1402 Q1401 Q7002 Q7003 IC1201 Q1202 IC1301 Q7001 L 13942296513 (ANP7301-B) u163 http://www.xiaoyu163.com...

  • Page 42: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 4.5 DECK ASSY DECK ASSY DECK MECHA L 13942296513 (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...

  • Page 43: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 DECK ASSY L 13942296513 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...

  • Page 44: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 4.6 FRONT, LIGHT-L, CD CLOSE SW and CD OPEN SW ASSYS FRONTPANEL ASSY CD OPEN SW ASSY (ANP7301-B) CD CLOSE SW ASSY (ANP7301-B) L 13942296513 CN50 LIGHT-L ASSY (ANP7301-B) u163 (ANP7301-B) SIDE A...
  • Page 45 XC-IS21T 3 7 63 1515 0 FRONT PANEL ASSY Q5902 Q5901 L 13942296513 Q5903 u163 (ANP7301-B) SIDE B http://www.xiaoyu163.com...

  • Page 46: Pcb Parts List

    XC-IS21T 3 7 63 1515 0 Mark No. Description Part No. Mark No. Description Part No. 5. PCB PARTS LIST • NOTES: Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List.
  • Page 47 XC-IS21T 3 7 63 1515 0 Mark No. Description Part No. Mark No. Description Part No. C6251, C6252 CKSQYB123K50 C3023, C3024, C3035, C3036 CEAT2R2M50 C6606, C6607 CKSQYB182K50 C3055, C3056 CEAT2R2M50 C6203, C6259 CKSQYB223K50 C6228 CKSQYB472K50 C133, C143, C3096, C7302...
  • Page 48 XC-IS21T 3 7 63 1515 0 Mark No. Description Part No. Mark No. Description Part No. CAPACITORS SWITCHES AND RELAYS C1201, C1202 CCSQCH150J50 S5916 ASX7026 C1401, C1402 CCSQCH151J50 S5901–S5915, S5917–S5923 XSG3001 C1107 CCSQCH220J50 C1239, C1246, C1247 CCSQCH221J50 CAPACITORS C1604...

  • Page 49: Q5501

    XC-IS21T 3 7 63 1515 0 Mark No. Description Part No. Mark No. Description Part No. OTHERS U-COM ASSY JA7105 (2P PIN JACK) AKB7043 SEMICONDUCTORS CN7104 (4P PIN JACK) AKB7114 IC5502 BU1923F CN7102 (5P SOCKET) AKP7042 IC5501 PDG242B CN7101 (10P SOCKET)

  • Page 50: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 Mark No. Description Part No. Mark No. Description Part No. DECK ASSY C2451 CKSQYB473K50 C2702 CKSQYB474K16 SEMICONDUCTORS C2808 CQHA822J2A IC2601 BU4094BCF C2209, C2210 CQMA103J50 IC2201 HA12136AF C2801 CQMA123J50 IC2202,IC2301,IC2401 NJM4558MD Q2709 2SB1197K C2409, C2410...

  • Page 51: Adjustment

    XC-IS21T 3 7 63 1515 0 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.

  • Page 52: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 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...

  • Page 53: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 DECK ASSY SIDE A C2203 (TP Lch) VR2301 (Lch) PB LEVEL C2204 (TP Rch) W166 VR2302 (TP GND) (Rch) REC LEVEL L 13942296513 VR2401 VR2402 (Lch) (Rch) TAPE SPEED BIAS VR2701 VR2801 VR2802...

  • Page 54: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 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...

  • Page 55: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 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 L 13942296513...

  • Page 56: Tuner Section

    XC-IS21T 3 7 63 1515 0 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. Specifications...

  • Page 57: General Information

    XC-IS21T 3 7 63 1515 0 7. GENERAL INFORMATION 7.1 PARTS 7.1.1 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) •...

  • Page 58: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 CXD2587Q (CD ASSY : IC1201) • SERVO IC • Block Diagram 16 18 64 15 19 61 62 63 TES1 TEST Clock Error XRST Generator Corrector RMUT Senal-In RFAC Demodurator Interface Interface LMUT...

  • Page 59: Http://Www.xiaoyu163.Com

    XC-IS21T 3 7 63 1515 0 • 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...
  • Page 60 XC-IS21T 3 7 63 1515 0 PDG242B (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...

  • Page 61: Diagnosis

    XC-IS21T 3 7 63 1515 0 7.2 DIAGNOSIS 7.2.1 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.

  • Page 62: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 CD Mechanism Assy CD Assy ×2 Shield Plate L 13942296513 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.

  • Page 63: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 CD Door Drive Block Deck Mechanism Unit AF Assy CD Door Independent power supply point Remove the CD Door CD Door Drive Block L 13942296513 U-COM Assy ×2 ×2 ×4 TEST 2 Test Point...

  • Page 64: Model

    XC-IS21T 3 7 63 1515 0 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 65: Sequnce After The Power On

    XC-IS21T 3 7 63 1515 0 7.2.2 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 66: Single Operation Method

    XC-IS21T 3 7 63 1515 0 7.2.3 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.

  • Page 67: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 AF ASSY W420..+8V SIDE A Fig. 7-1 W421..+15V W422..+5.6V L 13942296513 W423..GND U-COM ASSY u163 Frequency: 50 or 60Hz SIDE A Fig. 7-2 Level: Approx. 2Vrms CN105 pin8 (AC) http://www.xiaoyu163.com...

  • Page 68: Pcb Location

    XC-IS21T 3 7 63 1515 0 7.2.4 PCB LOCATION CD ASSY LCD ASSY CD CLOSE SW ASSY LIGHT-L ASSY FRONT PANEL ASSY CD MOTOR AF ASSY ASSY L 13942296513 R-TERMINAL ASSY CD OPEN SW ASSY U-COM ASSY F-TERMINAL ASSY...

  • Page 69: Xc-Is21T

    XC-IS21T 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 70: Panel Facilities And Specifications

    XC-IS21T 3 7 63 1515 0 8. PANEL FACILITIES AND SPECIFICATIONS 8.1 PANEL FACILITIES Front Panel L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 71 XC-IS21T 3 7 63 1515 0 [CD Tuner Deck] ‚ ¡ ™ ¡ ™ ∞ ¢ & ( · L 13942296513 1 CD cover OPEN/CLOSE touch sensor = CD button ~ ASES button 2 CD spindle ! Stop (7) button 3 CD slide cover &...

  • Page 72: Cd Tuner Deck

    XC-IS21T 3 7 63 1515 0 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).
  • Page 73 XC-IS21T 3 7 63 1515 0 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, ¡...

  • Page 74: Specifications

    XC-IS21T 3 7 63 1515 0 8.2 SPECIFICATIONS 7 Amplifier Section 7 Micellaneous Continuous Power (RMS) ........100 W + 100 Wz Power Requirements ......AC220-230 V, 50/60 Hz (1 kHz, THD 10%, 6 Ω) Power Consumption ............120 W Continuous Power (DIN) ..........

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