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Pioneer HTV-2 Service Manual

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HOME THEATER SYSTEM
HTV-2
The HTV-2 is a combination of the components in the Table below.
For details regarding each component, refer to the Service Manuals below.
Component
CONTROL CENTER
POWERED SUBWOOFER
AMPLIFIER
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. 501 Orchard Road, #10-00 Wheelock Place, Singapore 238880
PIONEER ELECTRONIC CORPORATION 1998
Model
HTV-2
KCXC type
KUXC type
HTV-C2/AUXJ
HTV-C2/ACXJ
HTV-SW2/KUCXC
HTV-SW2/KUCXC
HTV-A2/KUCXJ
HTV-A2/KUCXJ
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
Service
Remarks
Manual
RRV1978
RRV1970
RRV1979
T – ZZE JUNE 1998 Printed in Japan
ORDER NO.
RRV1977

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  • Page 1 ORDER NO. RRV1977 HOME THEATER SYSTEM HTV-2 The HTV-2 is a combination of the components in the Table below. For details regarding each component, refer to the Service Manuals below. Model Service Component Remarks HTV-2 Manual KCXC type KUXC type...
  • Page 2 Poly. Bag (SHL1186) 235305 Coaded Label (SRM1069) 244126 HTV-SW2 1 (2/2) 1 (1/2) (2) CONTRAST TABLE HTV-2/KUXC and HTV-2/KCXC are constructed the same except for the following: Part No. Mark Symbol and Description Remarks KUXC type KCXC type Packing Case (SHG2066)
  • Page 3 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. 501 Orchard Road, #10-00 Wheelock Place, Singapore 23880 C C C C C PIONEER ELECTRONIC CORPORATION 1998 T–ZZY JUNE 1998 Printed in Japan...
  • Page 4 HTV-C2 1. CONTRAST OF MISCELLANEOUS PARTS NOTES : ÷ Parts marked by “ NSP ” are generally unavailable because they are not in our Master Spare Parts List. ÷ The mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing,be sure to use parts of identical designation.

  • Page 5: Table Of Contents

    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. 501 Orchard Road, #10-00 Wheelock Place, Singapore 238880 PIONEER ELECTRONIC CORPORATION 1998...

  • Page 6: 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 7: Exploded Views And Parts List

    HTV-C1 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. Therefore, when replacing, be sure to use parts of identical designation.
  • Page 8 HTV-C1 2.2 MAIN SECTION Note : Grille Assy is adhered with the woodworking bond to the Rear Case. Put a square-bar screwdriver and so on in the two gaps under the (BOTTOM VIEW) Grille, and pry it opens when it is removed.
  • Page 9 HTV-C1 • MAIN SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. DISPLAY Assy AWU7070 Lens AAK7551 MAIN Assy AWU7071 Grille Assy AAS7001 TERMINAL Assy AWU7072 Rear Case AMC7025 19P FFC/30V ADD7092 Sub Panel AMD7003 Cable Assy 4P ADX7240 Fuse Caution Label AAX7645...

  • Page 10: Schematic Diagram

    HTV-C1 3. SCHEMATIC DIAGRAM 3.1 OVERALL WIRING DIAGRAM DISPLAY ASSY (AWU7070)
  • Page 11 HTV-C1 Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST". TERMINAL ASSY (AWU7072) MAIN ASSY (AWU7071) Voltages of MAIN Assy IC3001 (CXD2724Q) FROM AMPLIFIER CONDITION SURROUND MODE (HTV-A1) No. Pin Name ST WIDE JACB ASSY XRST...
  • Page 12 HTV-C1 3.2 MAIN AND TERMINAL ASSEMBLIES CN5001 DOLBY VIRTUAL DECODER 5.0V SIGNAL ROUTE : AUDIO SIGNAL ROUTE INPUT LENEL DETECTOR Waveforms CN3001-Pin7 (SCK) 0.5 V/div 50mS/sec CN3001-Pin8 (RVDT) 0.5 V/div 50mS/sec – GND – GND INPUT SELECT INPUT 1 , INPUT2 0.0V 4.8V...
  • Page 13 HTV-C1 Waveforms JA4001-Pin4 (DATA) 0.5 V/div 1mS/sec JA4001-Pin2 (LCK) 0.5 V/div 1mS/sec JA4001-Pin1 (CLK) 0.5 V/div 1mS/sec JA4001-Pin1 (CLK) 0.5 V/div 1mS/sec – GND – GND – GND – GND BALANCED OUT 4.8V MAIN ASSY POWER SUPPLY (AWU7071) 13.2V FRONT -13.2V SPEAKER -28.0V...
  • Page 14 HTV-C1 3.3 DISPLAY ASSY REMOCON SENS. DISPLAY ASSY (AWU7070) -28V 5.0V ∗ INDICATOR ∗ About a voltage of IC5001-pin 22 (LEVEL IN) This terminal is the terminal watching the level of the input signal to make the Auto standby mode function. About 3V DC apply to this terminal when -46dBV (about 5mVrms) (Frequency is 1kHz with both channels as well.) is inputted to INPUT1 (INPUT2) when INPUT1 (INPUT2) is chosen.
  • Page 15 HTV-C1 Waveforms IC5001-Pin45 (P1) 1V/div 2mS/sec GND – IC5001-Pin62 (1G) 1V/div 2mS/sec GND –...

  • Page 16: Pcb Connection Diagram

    HTV-C1 4. PCB CONNECTION DIAGRAM 4.1 MAIN, TERMINAL AND DISPLAY ASSEMBLIES MAIN ASSY SW AMP UNIT TERMINAL ASSY FRONT SPEAKER (ANP7252-B) IC501–IC503 Q501 Q502 IC504–IC507 Q505 SIDE A...
  • Page 17 HTV-C1 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 18 HTV-C1 MAIN ASSY TERMINAL ASSY (ANP7252-B) Q504 Q507 IC4001 IC4002 SIDE B IC3501 IC2002 IC3001 IC2501 Q2032 Q2031 IC2001...
  • Page 19 HTV-C1 DISPLAY ASSY (ANP7252-B) IC5001 Q5002 Q5004 SIDE B...

  • Page 20: Pcb Parts List

    HTV-C1 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. Therefore, when replacing, be sure to use parts of identical designation.

  • Page 21: Adjustment

    HTV-C1 Mark No. Description Part No. Mark No. Description Part No. 6. ADJUSTMENT TERMINAL ASSY There is no information to be shown in this chapter. OTHERS CN203 4P PLUG KM250NA4L KN201 SCREW PLATE VNE1948 DISPLAY ASSY SEMICONDUCTORS IC5001 PDG221A Q5001,Q5004 DTC143EK D5002 1SS254...

  • Page 22: General Information

    HTV-C1 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. BA05ST (MAIN ASSY : IC507) • Regulator IC • • Pin Assignment Block Diagram Top Vew...

  • Page 23: Display

    HTV-C1 7.1.2 DISPLAY AAV7052 (DISPLAY ASSY : V5001) • FL TUBE PATTERN AREA • Pin Connection NOTE 1) F1,F2 -------------- Filament 2) NP ------------------No pin 3) NX ------------------ No extend pin 4) DL ------------------ Datum Line 5) 1G - 9G ----------- Grid •...

  • Page 24: Test Mode

    HTV-C1 7.2 TEST MODE 2. DSP Check 7.2.1 TEST MODE Press the SURR. MODE key → Enter the DSP check mode. 7.2.1.1 How to Enter the Test Mode DSP check mode Even that is possible though there are the following two methods. Outputs TEST TONE in the DOLBY VIRTUAL state.

  • Page 25: Block Diagram

    HTV-C1 7.3 BLOCK DIAGRAM HTV-C1/AUXJ,ACXJ CONTROL CENTER BU4066BCF NJM4558MD NJM4558MD NJM4558MD CXD2724Q NJM4558MD GP1U28X PDG221A AAV7052 DEC143EK ATT7025 BA05ST NJM7805FA NJM7806FA NJM7906FA 2SB1237X...
  • Page 26 HTV-C1 HTV-A1/KUCXJ (Refer to the service manual AMPLIFIER RRV1957 for HTV-A1/KUCXJ)

  • Page 27: Panel Facilities And Specifications

    HTV-C1 8. PANEL FACILITIES AND SPECIFICATIONS Control Center SURROUND MODE VOLUME DISPLAY INPUT STANDBY/ON 11 12 14 15 16 17 3 VOLUME SURROUND MODE DISPLAY INPUT STANDBY/ON - INPUT indicator STANDBY/ON switch When the INPUT 1 terminal is selected, “1” is illuminated; when the Turns the power ON/OFF (Standby).
  • Page 28 HTV-C1 Remote Control Unit PRESET RECALL CU-HTV001 SOURCE CHANNEL STANDBY/ON TV FUNC. VOLUME VOLUME ENTER TV/VCR GUIDE MENU CH.ENTER SOURCE CONTROL MUTING SUR.MODE SOUND SYSTEM CONTROL PRESET DISPLAY LEVEL VOLUME STANDBY/ON INPUT PRE-PROGRAMMED REMOTE CONTROL UNIT PRE-PROGRAMMED REMOTE CONTROL UNIT 0 Other device operation buttons 1 SOURCE CONTROL buttons Select the device to be operated with the SOURCE CONTROL...
  • Page 29 HTV-C1 7 SPECIFICATIONS Input (Sensitivity/Impedance) INPUT 1, 2 ............200 mV/22 kΩ Manufactured under license from the Dolby Laboratories. Speaker Section DOLBY and the double-D symbol are trademarks of Dolby Front L/R .............. 8.7 cm cone type Laboratories. Miscellaneous Dimensions Control center ......
  • Page 30 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. 501 Orchard Road, #10-00 Wheelock Place, Singapore 238880 PIONEER ELECTRONIC CORPORATION 1998...
  • Page 31 HTV-SW2 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. Therefore, when replacing, be sure to use parts of identical designation. Mark No.
  • Page 32 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. 501 Orchard Road, #10-00 Wheelock Place, Singapore 238880 PIONEER ELECTRONIC CORPORATION 1998...
  • Page 33 HTV-A2 CONTRAST OF MISCELLANEOUS PARTS NOTES : ÷ Parts marked by “ NSP ” are generally unavailable because they are not in our Master Spare Parts List. ÷ The mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation.
  • Page 34 HTV-A2 7 CONTRAST OF PCB ASSEMBLIES AFPS ASSY AWU7079 and AWU7073 are constructed the same except for the following: Part No. Mark Symbol and Description Remarks AWU7073 AWU7079 C101, C102 ACH7007 ACH1249 (4700µF/DC63V) (4700µF/DC71V) PAMP ASSY AWU7080 and AWU7074 are constructed the same except for the following: Part No.
  • Page 35 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. 501 Orchard Road, #10-00 Wheelock Place, Singapore 238880 PIONEER ELECTRONIC CORPORATION 1998...

  • Page 36: Safety Information

    For the latest information, always consult the current Also test with plug reversed PIONEER Service Manual. A subscription to, or ad- (Using AC adapter ditional copies of, PIONEER Service Manual may be plug as required) obtained at a nominal charge from PIONEER.
  • Page 37 HTV-A1...

  • Page 38: Exploded Views And Parts List

    HTV-A1 2. EXPLODED VIEWS AND PARTS LIST EXTERIOR...
  • Page 39 HTV-A1 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. Therefore, when replacing, be sure to use parts of identical designation. Screw adjacent to mark on the product are used for disassembly.

  • Page 40: Schematic Diagram

    HTV-A1 3. SCHEMATIC DIAGRAM 3.1 OVERALL CONNECTIONS PAMP ASSY (AWU7074) JACK ASSY (AWU7077) AFPS ASSY (AWU7073)
  • Page 41 HTV-A1 Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST". AC 120V 60 Hz AC POWER CORD PDG1057 POWER TRANSFORMER PT SEC ASSY ATS7212 (AWU7076) PT PRI ASSY (AWU7075)
  • Page 42 HTV-A1 SIGNAL ROUTE : AUDIO SIGNAL (L ch) 3.2 AFPS, PT SEC AND PT PRI ASSEMBLIES : AUDIO SIGNAL (SW ch) E-VOLUME & TONE CONTROL, SUBWOOFER LEVEL BALANCED IN CN1105 +9.0 +4.5 (VREF) I / O EXPANDER Q1003, Q1004 : AC RELAY DRIVER +0.7 IC8001 (BU2092F)
  • Page 43 HTV-A1 CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE NO. 4911.25 MFD, BY REPLACE ONLY WITH SAME TYPE NO. 491010 MFD, BY LITTELFUSE INK. FOR IC101 AND IC102(AEK7010). LITTELFUSE INK.
  • Page 44 HTV-A1 3.3 PAMP ASSY FRONT ch POWER AMPLIFIER +35.0 –35.0 +34.0 J1001 Q1301, –34.0 Q1302 : OVER LOAD DETECTOR J1002 +43.9 +12.0 –11.7 Q1111 : MUTE SW ch DIS –43.9...
  • Page 45 HTV-A1 STK407-040B SIGNAL ROUTE CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, : AUDIO SIGNAL (L ch) REPLACE ONLY WITH SAME TYPE NO. 491.500 MFD, BY LITTELFUSE INK. FOR IC1201 (AEK7005). : AUDIO SIGNAL (SW ch) PAMP ASSY (AWU7074) Q1201, Q1202 : MUTE PROTECTION CIRCUIT Q1307,...
  • Page 46 HTV-A1 Waveforms Note: The encircled numbers denote measuring point in the schematic diagram. IC6001-Pin1 (DATA) 0.5 V/div 1 mS/sec IC6001-Pin42 (CLK) 0.5 V/div 1 mS/sec Q1109-Base 20 mV/div 5 mS/sec Measurement condition : volume Min =1 Measurement condition : SW ch output signal f =100Hz, 1W IC8001-Pin4 (LCK) 0.5 V/div 1 mS/sec Q1105-Collector 0.5 V/div 5 mS/sec IC6001-Pin42 (CLK) 0.5 V/div 1 mS/sec...
  • Page 47 HTV-A1 3.4 JACK ASSY JACK ASSY (AWU7077) CN1005 CN1004 SIGNAL ROUTE : AUDIO SIGNAL (L ch)

  • Page 48: Pcb Connection Diagram

    HTV-A1 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 49 HTV-A1 4.2 PT PRI AND JACK ASSEMBLIES SIDE A PT PRI ASSY POWER TRANSFORMER NEUTRAL LIVE (ANP7253-C) JACK ASSY CN1004 CONTROL CENTER HTV-C1 FROM CN1005 CONTROL CENTER HTV-C1 (ANP7253-C)
  • Page 50 HTV-A1 4.3 AFPS AND PAMP ASSEMBLIES TO SW SPEAKER PAMP ASSY SIDE A Q1104 Q1102,Q1309 Q1107,Q1106 Q1103,Q1109,Q1110 Q1101,Q1105,Q1108,Q1111 Q1112 CN1104 CN1105 Q1310,Q1306,Q1303 Q1304,Q1305 Q1202 IC1201 Q1201 Q1204 IC1101 Q1203 Q1208,Q1307 Q1302 Q1301 (ANP7253-C)
  • Page 51 HTV-A1 SIDE A J101 J102 AFPS ASSY IC105,Q102 IC121,Q104,Q103 IC122 Q105 IC106 Q101 Q6051,Q6052 Q1005 Q1002 Q1004 Q301 Q303 Q302 (ANP7253-C)
  • Page 52 HTV-A1 AFPS ASSY IC4502,IC4501 IC4503 IC6001 Q106 SIDE B IC6031,6501 IC6701,IC7101 Q1001 Q1003 IC8001,Q8001 (ANP7253-C)
  • Page 53 HTV-A1 SIDE B PAMP ASSY (ANP7253-C)

  • Page 54: Pcb Parts List

    HTV-A1 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. Therefore, when replacing, be sure to use parts of identical designation.
  • Page 55 HTV-A1 Mark No. Description Part No. Mark No. Description Part No. R1109 RD1/4PM104J PAMP ASSY R1110 RD1/4PM112J SEMICONDUCTORS R1125, R1215, R1216 RD1/4PMF100J IC1201 (500mA/125V) AEK7005 R1116–R1119 RD1/4PMF101J IC1101 STK407-040B R1112 RD1/4PMF680J Q1105 2SA1145 R1312 RD1/4PU222J Q1104 2SA1837 R1315 RD1/4PU821J Q1102 2SA1941 (P) R1115 RF1/4PS101J...

  • Page 56: Adjustment

    HTV-A1 6. ADJUSTMENT There is no information to be shown in this chapter. 7. GENERAL INFORMATION 7.1 IC ¶ The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams. BU2092F (IC8001: AFPS ASSY) Serial In/Parallel Out Driver Block Diagram...
  • Page 57 HTV-A1 Pin Function Name Description Name Description DATA Control data input terminal. REAR OUT2 Output terminals of the fader volume control Data are entered synchronized to CLOCK. section (rear) Ground terminal FADER IN2 Input terminals of the fader volume control section 3 SELECT OUT1 Output terminals of the input selector switch TONE OUT2 Output terminals of the tone control section...

  • Page 58: Diagnosis

    HTV-A1 7.2 DIAGNOSIS Diagnosis Method for the Power Amplifier section (PAMP Assy) (1) Remove the three screws A fixing the Heat sink. (2) Remove the three PCB Holders and rotate as shown in the Fig 1. Screw A PCB Holder PCB Holder PCB Holder Heat Sink...
  • Page 59 HTV-A1 Diagnosis Method for the AFPS Assy (1) Remove the three screws A fixing the Heat sink. (2) Remove the three PCB Holders and then remove the Heat sink. (Refer to Fig.1) (3) Remove the screw B, remove the two screws C, remove the two push rivets D, and then remove the AFPS assy.

  • Page 60: Block Diagram

    HTV-A1 7.3 BLOCK DIAGRAM CONTROL CENTER HTV-C1 (Refer to the service manual RRV1960 HTV-C1/AUXJ, ACXJ)
  • Page 61 HTV-A1 AMPLIFIER HTV-A1 AC120V 60Hz AC POWER CORD...

  • Page 62: Panel Facilities And Specifications

    HTV-A1 8. PANEL FACILITIES AND SPECIFICATIONS SPECIFICATIONS HTV-1 Amplifier Section [Front left and right channels] Continuous average power output of 30 watts* per channel, min., at 8 ohms, from 180 Hz to 15,000 Hz with no more than 1 %** total harmonic distortion.

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