Pioneer CT-IS21 Service Manual
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Pioneer CT-IS21 Service Manual

Pioneer CT-IS21 Service Manual

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STEREO CASSETTE DECK
CT-IS21
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
CT-IS21
MY
NV
RBD
CONTENTS
1. SAFETY INFORMATION ...................................... 2
4. PCB CONNECTION DIAGRAM .......................... 18
5. PCB PARTS LIST ............................................... 24
6. ADJUSTMENT .................................................... 27
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 Alexandra Road, #04-01, Singapore 159936
c
PIONEER ELECTRONIC CORPORATION 1999
Power Requirement
AC220-230V
AC230V
AC110-127V/220-240V
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
The Voltage can be converted by
the following method.
With the voltage selector
7. GENERAL INFORMATION ................................ 31
7.1 DIAGNOSIS ................................................. 31
7.1.1 POWER ON SEQUENCE ...................... 31
7.1.2 DISASSEMBLY ...................................... 32
7.2 PARTS ......................................................... 33
7.2.1 IC ............................................................ 33
T - IZM MAY 1999 Printed in Japan
ORDER NO.
RRV2142

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  • 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 Alexandra Road, #04-01, Singapore 159936 PIONEER ELECTRONIC CORPORATION 1999 T –...

  • Page 2: Safety Information

    The use of a substitute replacement component which does Leakage 0.5mA current Device not have the same safety characteristics as the PIONEER tester under recommended replacement one, shown in the parts list in test this Service Manual, may create shock, fire, or other hazards.

  • Page 3: Exploded Views And Parts List

    Operating Instructions See Contrast table (2) (Spanish/Portuguese/Dutch/Swedish) Protector V See Contrast table (2) (2) CONTRAST TABLE CT-IS21/MY, NV and RBD are constructed the same except for the following : Part No. Mark No. Symbol and Description Remarks MY Type NV Type...
  • Page 4 CT-IS21 2.2 EXTERIOR type only Refer to "2.3 and 2.4 DECK MECHA- NISM UNIT". 24(1/2) 28(3/3) 27(2/2) 26(1/2) 26(2/2) 28(1/3) 27(1/2) 24(2/2) 28(2/3)
  • Page 5 Mech Angle T ANG7213 Heat Sink IS ANH7111 Caution Label See Contrast table (2) (2) CONTRAST TABLE CT-IS21/MY, NV and RBD are constructed the same except for the following : Part No. Mark No. Symbol and Description Remarks MY Type NV Type...
  • Page 6 CT-IS21 2.3 DECK MECHANISM UNIT (1/2) Refer to "2.4. DECK MECHANISM UNIT (2/2).
  • Page 7 CT-IS21 (1) DECK MECHANISM UNIT (1/2) PARTS LIST Mark No. Description Part No. Screw FG114-14 Screw UG12H-15 Front BKT FC64K-11 Washer MJ112-22 SP Return FK34N-11 Plate Hold BLK F573-258 Holder CST BLK F527-078 LDG Base FD56R-12 Pulley FD56T-11 LDG Gear...
  • Page 8 CT-IS21 2.4 DECK MECHANISM UNIT (2/2)
  • Page 9 CT-IS21 (1) DECK MECHANISM UNIT (2/2) PARTS LIST Mark No. Description Part No. Mark No. Description Part No. Screw KG194-36 Washer FJ111-13 Reel Feather FD57D-13 F/R Pulley FD53F-15 Screw UG11S-14 Solenoid BLK F765-279 SP Reel(L) FK32U-12 F/R Belt FF18W-12 SP Brake...

  • Page 10: Block Diagram And Schematic Diagram

    CT-IS21 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM CN2301 Q2301 Q2301 VA12 IC2301(1/2) IC2301(1/2) 2SK373 2SK373 BA4558F-HT BA4558F-HT Q2303 VA12 DTC114TK VR2301 PCP1028 Q2351 GNDA 4.7K-B GNDA DTA124EK Q2305 Vref REC/PB Vref DTC114TK PB LEVEL ADJ. HEAD Vref...
  • Page 11 CT-IS21 Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST". AF ASSY :PLAYBACK SIGNAL ROUTE AWU7371(MY and NV types) IC2201 :RECRDING SIGNAL ROUTE LINEOUT BUFFER HA12136AF AWU7372(RBD type) DOLBY-B NR -6.0dBV...
  • Page 12 CT-IS21 3.2 AF ASSY AF ASSY (AWU7371: MY, NV TYPES) DECK MECHA UNIT (1/2) (AWU7372: RBD TYPE) (AXA7073 :MY, NV TYPES) (AXA7082 D2301-D2306: 1SS133 :RBD TYPE) CN2301 C2315, REC/PB C2321-C2324 HEAD ; MY and NV types only CN2302 ERASE HEAD...
  • Page 13 CT-IS21 : PLAYBACK SIGNAL ROUTE : RECORDING SIGNAL ROUTE D2252-D2255: 1SS355 PLAY BA4558BF-HT CN2101(1/4) CN2101(3/4) BA4558BF-HT CN2101(4/4) CN2101(2/4) BA4558BF-HT BA4558BF-HT ALL RESISTORS ARE IN Ω UNLESS OTHERWISE SPECIFIED. 1/4W UNLESS OTHERWISE SPECIFIED : CHIP (1/10W) ALL INDUCTORS ARE IN µF.
  • Page 14 CT-IS21 3.3 U-COM AND DISPLAY ASSYS CN2701 DECK MECHA UNIT (2/2) (AXA7073 :MY, NV TYPES) (AXA7082 :RBD TYPE) CN2751 U-COM ASSY (AWU7370) PCB BINDER CN2601 CABLE DISPLAY ASSY HOLDER J2601 (AWU7373) D2602,D2603, D2605-D2609: LED DRIVER PCB BINDER...
  • Page 15 CT-IS21 RESET CN2504 CN2503 NOTES SWITCHES ALL CAPACITORS ARE IN µF DISPLAY ASSY UNLESS OTHERWISE SPECIFIED. S2901 : STANDBY/ON S2902 : ASEB S2903 : 2 S2904 : 3 ELECT. S2906 : OPEN CLOSE (0) ALL RESISTORS ARE IN Ω S2907 : ¶8 UNLESS OTHERWISE SPECIFIED.

  • Page 16: Screw

    CT-IS21 3.4 MAIN AND REG. ASSYS AC POWER CORD PDG1003 (MY TYPE) VDG1062 (NV TYPE) PDG1013 (RBD TYPE) CN2001 AC IN FU1 250mA/250V AEK1048 AWU7366 ONLY S2001 FU2 315mA/250V VOLTAGE AEK1049 SELECTOR SCREW TERMINAL AKX7004 AC220-240V AC110-127V T2000 POWER TRANSFORMER...
  • Page 17 CT-IS21 REGULATOR J2052 CN2051 CABLE HOLDER REG. ASSY (AWU7369) REGULATOR PCB BINDER CN2503 NOTES ALL CAPACITORS ARE IN µF UNLESS OTHERWISE SPECIFIED. ELECT. ALL RESISTORS ARE IN Ω CN2504 UNLESS OTHERWISE SPECIFIED. 1/4W UNLESS OTHERWISE SPECIFIED : CHIP (1/10W) • NOTE FOR FUSE REPLACEMENT FOR CONTINUED PROTECTION AGAINST RISK OF FIRE.

  • Page 18: Pcb Connection Diagram

    CT-IS21 4. PCB CONNECTION DIAGRAM 4.1 AF ASSY SIDE A AF ASSY NOTE FOR PCB DIAGRAMS : CN2505 1. Part numbers in PCB diagrams match those in the schematic diagrams. 2. A comparison between the main parts of PCB and schematic diagrams is shown below.

  • Page 19: F514

    CT-IS21 Q2802 Q2301 Q2801 Q2302 Q2805 Q2803 VR2301 VR2401 VR2801 VR2302 VR2402 VR2802 (ANP7329-B) REC/PB ERASE HEAD HEAD DECK MECHA UNIT (ANP7329-B) Q2255 Q2454 Q2352 Q2353 Q2351 Q2306 Q2304 Q2456 Q2804 Q2453 Q2303 Q2455 Q2254 Q2305 IC2301 Q2460 Q2253 IC2201...

  • Page 20: F514

    CT-IS21 4.2 U-COM AND DISPLAY ASSYS U-COM ASSY DISPLAY ASSY VR2701 Q2701 Q2702 CAPSTAN MOTOR CN2503 DECK MECHA UNIT Q2753 TRAY Q2754 LOADING Q2755 MOTOR Q2756 CN2504 (ANP7329-B) (ANP7329-B) SIDE A...
  • Page 21 CT-IS21 U-COM ASSY DISPLAY ASSY IC2502 Q2703 Q2752 Q2751 Q2601 Q2704 Q2057 Q2058 Q2059 Q2060 Q2561 IC2501 Q2563 Q2564 Q2562 (ANP7329-B) (ANP7329-B) SIDE B...
  • Page 22 CT-IS21 4.3.MAIN AND REG. ASSYS CN2502 CN2501 MAIN ASSY LIVE AC IN NEUTRAL REG. ASSY IC2051 IC2052 IC2053 IC2054 Q2051 (ANP7329-B) CN2506 (ANP7329-B) SIDE A...
  • Page 23 CT-IS21 MAIN ASSY REG. ASSY Q2061 Q2052 (ANP7329-B) (ANP7329-B) SIDE B...

  • Page 24: Pcb Parts List

    CT-IS21 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. • mark found on some component parts indicates the importance of the safety factor of the part.
  • Page 25 CT-IS21 Mark No. Description Part No. Mark No. Description Part No. C2252 CKSQYF105Z16 OTHERS C2808 CQHA822J2A C2209,C2210 CQMA103J50 CN2601 8P JUMPER CONNECTOR 52151-0810 C2801 CQMA123J50 CN2701 KR CONNECTOR 13P B13B-PH-K-S C2421,C2422 CQMA152J50 CN2751 KR CONNECTOR 5P B5B-PH-K-S CN2501 15P SOCKET...

  • Page 26: Screw

    CT-IS21 Mark No. Description Part No. Mark No. Description Part No. OTHERS CN2051 8P JUMPER CONNECTOR 52147-0810 CN2551 5P SOCKET AKP7042 H2003,H2004 FUSE CLIP AKR1003 CN2503,CN2505 15P PLUG KM200TA15 CN2504 5P PLUG KM200TA5 TERMINAL RKC-061 PCB BINDER VEF1040 SCREW PLATE VNE1948 REG.

  • Page 27: Adjustment

    CT-IS21 6. ADJUSTMENT 6.1 TEST MODE How to Enter the Test Mode 3. When pressing the ASES key, the Auto-recording/playback operation mode is reached and perform the following operation. Receive "A15F" (Bus code 1C5F) with the remote control unit or 1 Function is set to AUX.
  • Page 28 CT-IS21 List of Adjustment PLAY BACK ¶ Playback Section 12.5k (1) Tape Speed Adjustment (2) Head Azimuth Adjustment (3) Playback Level Adjustment (4) Playback Frequency Characteristics Confirmation ¶ Recording Section (1) Recording Bias Adjustment RECORDING (2) Recording Level Adjustment (3) Recording Frequency Characteristics Confirmation 12.5k...
  • Page 29 CT-IS21 (3) Playback Level Adjustment • Since this adjustment determines playback DolbyNR level, Perform it carefully. Measurement Adjustment Mode Input Signal/Test Tape Adjustment Points Remarks Points Value VR2301 LINE OUT L ch STD-331E test tape PLAY (L, R ch) –6.0 dBV...
  • Page 30 CT-IS21 U-COM ASSY SIDE A TAPE SPEED VR2701 Front TEST MODE Jumper MECHANISM UNIT AF ASSY SIDE A PB LEVEL VR2302 VR2301 (R ch) (L ch) REV Azimuth FWD Azimuth Adjustment Screw Adjustment Screw VR2402 VR2401 (R ch) (L ch)

  • Page 31: General Information

    CT-IS21 7. GENERAL INFORMATION 7.1 DIAGNOSIS 7.1.1 POWER ON SEQUENCE • STANDBY/ON key is pressed. • Receive the system power on Note : Pin No. shows the Pin No. of µ-COM PDC059A. information with the sytem bus. Go to Power ON Check the mecha.

  • Page 32: Disassembly

    CT-IS21 7.1.2 DISASSEMBLY FRONT PANEL MAIN ASSY ×3 MAIN Assy ×4 U-COM Assy ×4 AF Assy Bonnet IS Deck Mechanism Unit REG. Assy About CN2302 30° AF Assy CN2301 MAIN Assy Rear Panel IS (SIDE B) Unhook AF Assy Unhook Note : These screws are loosened.

  • Page 33: Parts

    CT-IS21 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. PDC059A (U-COM ASSY : IC2501) • System Microcomputer • Pin Function No. Pin Name I/O Pin Function No.

  • Page 34: Panel Facilities And Specifications

    CT-IS21 8. PANEL FACILITIES AND SPECIFICATIONS PANEL FACILITIES...

  • Page 35: Specifications

    * Values measured in accordance with EIAJ standards. NOTE: Accessories When the Stereo Cassette Deck CT-IS21 is connected to Operating instructions the XC-IS21MD or XC-IS21T via the system cable, the unit’s NV type ..................1 power will be switched on/off (standby) automatically by MY type ..................

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