Pioneer HTV-SW1 Service Manual
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Pioneer HTV-SW1 Service Manual

Powered subwoofer and control center
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POWERED SUBWOOFER
HTV-SW1
CONTROL CENTER
HTV-C1
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL ( S ) AND TYPE ( S ) .
Model
Type
HTV-SW1
‡
DDXJ
ADXJ
This product is a system component. This product does not function properly when independent;
to avoid malfunctions, be sure to connect it to the prescribed system component, otherwise
damage may result. The Powered Subwoofer HTV-SW1 is a part of the Hometheater System HTV-
1.
Hometheater System
HTV-1
(service manual RRV2063)
CONTENTS
1. SAFETY INFORMATION .................................... 2
3. SCHEMATIC DIAGRAM ................................... 10
4. PCB CONNECTION DIAGRAM ....................... 24
5. PCB PARTS LIST ............................................. 36
6. ADJUSTMENT .................................................. 39
7.GENERAL INFORMATION ............................... 40
7.1 PARTS ........................................................ 40
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
PIONEER ELECTRONIC CORPORATION 1998
Power Requirement
HTV-C1
AC110–127V/220–230V/240V
‡
AC power supplied from power trans-
former's secondary of other system component
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
• HTV-SW1
SURROUND MODE
VOLUME
STANDBY/ON
INPUT
• HTV-C1
Control Center
HTV-C1 (this service manual)
Powered Subwoofer
HTV-SW1 (this service manual)
Power Amp
HTV-A1 (this service manual)
7.1.1 IC ........................................................... 40
7.1.2 DISPLAY ................................................ 42
7.2 DIAGNOSIS ................................................ 43
7.3 TEST MODE(HTV-C1) ............................... 45
7.4 INDEPENDENT OPERATION DIAGNOSIS46
7.5 BACKUP FUNCTION (HTV-C1) ................. 47
7.6 BLOCK DIAGRAM ...................................... 48
ORDER NO.
RRV2060
The voltage can be converted by
the following method.
With the voltage selector
T–ZZR NOV. 1998 Printed in Japan

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Summary of Contents for Pioneer HTV-SW1

  • Page 1 This product is a system component. This product does not function properly when independent; to avoid malfunctions, be sure to connect it to the prescribed system component, otherwise damage may result. The Powered Subwoofer HTV-SW1 is a part of the Hometheater System HTV- Hometheater System...

  • Page 2: 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 3: Exploded Views And Parts List

    2.2 HTV-SW1 2.1.1 PACKING 1(3/4) 1(4/4) 1(1/4) 1(2/4) 2(3/4) 2(4/4) 2(1/4) 2(2/4) ÷ PACKING PARTS LIST(HTV-SW1) Mark No. Description Part No. Protector Top SHA2140 Protector Bottom SHA2141 Protection Sheet S6 SHC1726 Protection Sheet S7 SHC1727...
  • Page 4 HTV-SW1, HTV-C1 2.1.2 EXTERIOR ( Cabinet HTV-SW1 ) Refer to "2.1.3 POWER AMP SECTION" ÷ EXTERIOR(Cabinet HTV-SW1) PARTS LIST Mark No. Description Part No. Cabinet SMM1821 Power AMP HTV-A1/DDXJ Connecting Cord SDF1072 Paper Port tube SMR1283 Foot SNK2274 CAUTION LABEL...
  • Page 5 HTV-SW1, HTV-C1 2.1.3 EXTERIOR ( POWER AMP HTV-A1) 23 12...
  • Page 6 HTV-SW1, HTV-C1 • EXTERIOR(POWER AMP HTV-A1) PARTS LIST Mark No. Description Part No. AFPS ASSY AWU7262 PAMP ASSY AWU7263 PT PRI ASSY AWU7264 PT SEC ASSY AWU7265 JACK ASSY AWU7257 Power Transformer (T1) ATS7228 Fuse (FU1 : T3.15AL250V) REK1027 Fuse (FU2, 3 : T1.6AL250V) REK1024...
  • Page 7 HTV-SW1, HTV-C1 2.2 HTV-C1 2.2.1 PACKING • PACKING PARTS LIST Mark No. Description Part No. Mark No. Description Part No. MOUNT ASSY AEA7021 Batteris(R06P,AA) VEM-013 Bolt Cap AEB7111 Polyethylene Bag Z21-033 Velcro Hook(BLACK) AED7028 Polyethylene Bag Z21-038 (0.03 × 230 × 340)
  • Page 8 HTV-SW1, HTV-C1 2.2.2 MAIN SECTION CAUTION : Insert a screwdriver into the slit under the Grille Assy to pry open the grille assy gradually and uniformly. Slit Slit (BOTTOM VIEW)
  • Page 9 HTV-SW1, HTV-C1 • MAIN SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. DISPLAY Assy AWU7260 Lens AAK7551 MAIN Assy AWU7261 Grille Assy AAS7001 TERMINAL Assy AWU7251 Rear Case AMC7028 21P FFC/30V ADD7124 Sub Panel AMD7003...

  • Page 10: Schematic Diagram

    HTV-SW1, HTV-C1 3. SCHEMATIC DIAGRAM 3.1 HTV-A1 3.1.1 OVERALL CONNECTIONS PAMP ASSY (AWU7263) FROM CONTROL AFPS ASSY CENTER (AWU7262) (HTV–C1) JA4001 JACK ASSY (AWU7257) CONTROL CENTER (HTV–C1) CN501...
  • Page 11 HTV-SW1, HTV-C1 Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST". SWITCH AC110 -127V ASSY 220-230V/240V (AWU7259) 50/60Hz AC POWER CORD VDG1058 STANDBY PT ASSY (AWU7267) AKP7038 PT SEC...
  • Page 12 HTV-SW1, HTV-C1 3.1.2 AFPS, PT SEC, PT PRI, STANDBY PT, and PW SWITCH ASSY E-VOLUME & TONE CONTROL, SUBWOOFERLEVEL BALANCE IN I/O EXPANDER AFPS ASSY (AWU7262) 26.9 40.3 OE(OUTPUT) CONTROL –26.9 –40.3 18.2 LPF 180Hz L/R MIX 18.4 –18.8 –18.6...
  • Page 13 HTV-SW1, HTV-C1 HPF 180Hz : AUDIO SIGNAL ROUTE(Lch) : AUDIO SIGNAL ROUTE(SWch) BUFFER AMP CN1101 40Hz +9.5dB CN1102 Q1001, Q1002 : PROTECTION (SPEAKER) RELAY DRIVER CN1104 PT SEC ASSY (AWU7265) POWER TRANS- FORMER PW SWITCH PT PRI ASSY ASSY(AWU7259) (AWU7264)
  • Page 14 HTV-SW1, HTV-C1 3.1.3 PAMP ASSY PAMP ASSY(AWU7263) 26.9 –26.9 –25.7 25.8 40.2 –12 –40.2...
  • Page 15 HTV-SW1, HTV-C1 : AUDIO SIGNAL ROUTE(Lch) : AUDIO SIGNAL ROUTE(SWch) CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE NO. 491.500 MFD, BY LITTELFUSE INK. FOR IC1201 (AEK7005). PROTECTION CIRCUIT Q1201, Q1202 : MUTE 13.7 40.3...
  • Page 16 HTV-SW1, HTV-C1 3.1.4 JACK ASSY TO CONTROL CENTER HTV-CI JA4001 : AUDIO SIGNAL ROUTE(Lch) CN1005 CN1004 JACK ASSY(AWU7257)
  • Page 17 HTW-SW1, HTV-C1 Note: The encircled numbers denote measuring point in the schematic diagram. Waveforms (HTV-A1) CN1005-5 pin (LCHN), 6 pin (LCHP) IC8001- 2 pin (DATA), 3 pin (CLOCK), V : 20mV/div. H : 0.2mS/div. 4 pin (LCK) V: 0.5V/div. H: 1mS/div. Measurement condition : Volume Min →...
  • Page 18 HTV-SW1, HTV-C1 3.2 HTV-C1 3.2.1 OVERALL CONNECTIONS INPUT LEV. ASSY (AWU7252) DISPLAY ASSY MAIN ASSY (AWU7260) (AWU7261)
  • Page 19 HTV-SW1, HTV-C1 TERMINAL ASSY (AWU7251) Voltages of MAIN Assy IC3001 (CXD2724Q) CONDITION SURROUND MODE No. Pin Name ST WIDE FROM XRST SW AMP UNIT CSL1 (HTV–A1) RDAV JACK ASSY ROUT RADV CN1003 RINOP CDAV CLKV XTLO XTLI SDAV LINOP LADV...
  • Page 20 HTV-SW1, HTV-C1 3.2.2 MAIN, INPUT LEV. and TERMINAL ASSY CN5001 DOLBY VIRTUAL DECODER MAIN ASSY (AWU7261) VTL1096 VTL1096 VTL1096 VTL1096 VTL1096 VTL1096 INPUT 1 INPUT 2 4.5V...
  • Page 21 HTV-SW1, HTV-C1 INPUT LEV. ASSY (AWU7252) : AUDIO SIGNAL ROUTE (Lch) JA4501 (HTV-A1) LEVEL IN STANDBY POWER ON 12.2V 11.6V 9.5V 11.5 -13.5 -40.9 TERMINAL -18.7 ASSY (AWU7251) CN1003 (HTV-A1)
  • Page 22 HTV-SW1, HTV-C1 3.2.3 DISPLAY ASSY DISPLAY ASSY (AWU7260) REMOCON INPUT1 INPUT2 RESTE 4.7V MUTE1 4.7V MUTE2 Power Detect CN3001 Each push on the button Voltage (v) POWER SUR. DISP VOL– VOL+ INPUT No push on S5001 : INPUT S5002 : VOL+ S5003 : VOL–...
  • Page 23 HTV-SW1, HTV-C1 ¶ In regard to the voltage at pin 22 of IC5001 (LEVEL IN) • This terminal monitors the input signal level for operation of the automatic standby mode. • When INPUT key (INPUT 2) is selected and -46dB V (about 5mV rms) is applied as input (input to both channels, freq.

  • Page 24: Pcb Connection Diagram

    HTV-SW1, HTV-C1 AFPS ASSY 4. PCB CONNECTION DIAGRAM 4.1 HTV-A1 4.1.1 AFPS, PT SEC and PT PRI ASSY NOTE FOR PCB DIAGRAMS : 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 25 HTV-SW1, HTV-C1 Q102 IC105 Q103 IC121 Q104 IC122 Q105 IC106 Q101 Q6051 CN1101 Q6052 CN1102 Q1005 ANP7288-B) Q1001 Q1002 C102 Q1004 Q301 Q303 Q302 88-B) SIDE A (ANP7288-B)
  • Page 26 HTV-SW1, HTV-C1 AFPS ASSY IC4502 IC4501 IC4503 IC6001 Q106 IC6031 IC6501 IC6701 IC7101 Q1003 IC8001 Q8001 SIDE B (ANP7288-B)
  • Page 27 HTV-SW1, HTV-C1 PT SEC ASSY (ANP7288-B) PT PRI ASSY SIDE B (ANP7288-B) A B C...
  • Page 28 HTV-SW1 4.1.2 STANDBY PT, PW SWITCH ASSY STANDBY PT ASSY SIDE A CN77 LIVE POWER NEUTRAL CORD (ANP7289-B) PW SWITCH ASSY SIDE B STANDBY PT ASSY (ANP7289-B)
  • Page 29 HTV-SW1 4.1.3 JACK ASSY SIDE A JACK ASSY CN1004 CONTROL CENTER HTV-C1 CN501 FROM CN1005 CONTROL CENTER HTV-C1 JA4001 (ANP7288-B) SIDE B JACK ASSY (ANP7288-B)
  • Page 30 HTV-SW1, HTV-C1 4.1.4 PAMP ASSY PAMP ASSY SPEAKER Q1104 Q1309 Q1106 Q1110 Q1111 Q1112 Q1109 Q1108 Q1107 Q1102 Q1103 Q1105 Q1101 PAMP ASSY...
  • Page 31 HTV-SW1, HTV-C1 J1002 J1001 SIDE A (ANP7288-B) Q1112 Q1303 Q1305 Q1202 Q1201 Q1204 Q1203 Q1307 Q1302 Q1306 Q1304 Q1308 Q1301 IC1101 IC1201 Q1310 SIDE B (ANP7288-B)
  • Page 32 HTV-SW1, HTV-C1 4.2 HTV-C1 4.2.1 MAIN ASSY SIDE A MAIN ASSY IC501 IC502 IC504 IC505 IC507 IC506 FROM SW AMP UNIT IC503 HTV-A1 CN1003 CN5001 Q551 CN203 Q501 Q553 SW AMP UNIT CN4002 HTV-A1 IC551 JA4501 IC3001 (ANP7287-A) CN4001...
  • Page 33 HTV-SW1, HTV-C1 SIDE B MAIN ASSY Q552 Q554 IC3501 IC2002 Q2003 Q2001 Q2002 IC2001 IC3001 Q2031 Q2012 Q2032 Q2011 (ANP7287-A)
  • Page 34 HTV-SW1, HTV-C1 4.2.2 INPUT LEV., TERMINAL and DISPLAY ASSY SIDE A INPUT LEV. ASSY (ANP7287-A) CN552 CN551 TERMINAL ASSY FRONT CN503 SPEAKER (ANP7287-A) CN3001 DISPLAY ASSY (ANP7287-A) I J K...
  • Page 35 HTV-SW1, HTV-C1 SIDE B INPUT LEV. ASSY (ANP7287-A) IC4002 IC4001 IC2511 TERMINAL ASSY (ANP7287-A) DISPLAY ASSY (ANP7287-A) Q5004 Q5009 IC5001 Q5001 Q5008 Q5007 I J K...

  • Page 36: Pcb Parts List

    HTV-SW1, HTV-C1 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 37 HTV-SW1, HTV-C1 Mark No. Description Part No. Mark No. Description Part No. PT SEC ASSY Q1108 2SA970 Q1109,Q1110 2SA992 SEMICONDUCTORS Q1107 2SC1740S Q1301,Q1302,Q1307,Q1308 2SC1740S IC103 (1A) AEK7009 Q1309 2SC2240 IC101,IC102 (1.25A) AEK7010 IC110,IC111 (7A) AEK7021 Q1106 2SC2705 CAPACITORS Q1103 2SC4793 C123 (0.01µF)
  • Page 38 HTV-SW1, HTV-C1 Mark No. Description Part No. Mark No. Description Part No. TRANSFORMER JACK ASSY ATT7025 SEMICONDUCTORS CAPACITORS D4501-D4506,D4508 MTZJ8.2B C500 (0.01µF/AC250V) ACG1005 C591 (0.01µF/100V) ACG7021 CAPACITORS C3204,C3209,C3285-C3288,C3295CCSQCH101J50 C4603 (0.01µF/100V) ACG7021 C3206,C3207 CCSQCH120J50 C4601,C4602,C4604-C4606 CKCYF103Z50 C3517-C3520 CCSQSL331J50 OTHERS C2021,C2023,C504-C506,C509 CEAT100M50...

  • Page 39: Adjustment

    HTV-SW1, HTV-C1 Mark No. Description Part No. OTHERS CN4002 10P SOCKET KP200TA10L 6. ADJUSTMENT CN4001 6P SOCKET KP200TA6L There is no information to be shown in this chapter. TERMINAL ASSY OTHERS CN203 4-P PLUG KM250NA4L KN201 SCREW PLATE VNE1948 DISPLAY ASSY...

  • Page 40: General Information

    HTV-SW1, HTV-C1 7. GENERAL INFORMATION 7.1 PARTS 7.1.1 IC ¶ The information shown in the list is basic information and may not BU2092F (IC8001: AFPS ASSY) correspond exactly to that shown in the schematic diagrams. Serial In/Parallel Out Driver Block Diagram...
  • Page 41 HTV-SW1, HTV-C1 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...
  • Page 42 HTV-SW1, HTV-C1 7.1.2 DISPLAY AAV7052 (V5001: DISPLAY ASSY) 7 FL INDICATOR TUBE • Pin Assignment 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 43: Diagnosis

    HTV-SW1, HTV-C1 7.2 DIAGNOSIS 7.2.1 DISASSEMBYL (HTV-A1) BONNET CASE At this time, diagnosis of the × 5 PAMP assembly is possible. × 3 × 3 Bonnet Case PAMP Assy × 3 × 4 × 4 × 2 × 2 AFPS Assy...
  • Page 44 HTV-SW1, HTV-C1 7.2.2 INDEPENDENT OPERATION DIAGNOSIS METHOD(HTV-A1) In principle, the HTV-1 system operates only as a combination Take off theW131 of HTV-C1 and HTV-A1, but analysis from the electronic volume control (M62419FP) on is possible according to the following method.
  • Page 45 HTV-SW1, HTV-C1 7.3 TEST MODE (HTV-C1) 7.3.1 Entry into Test Mode • In regard to the automatic standby mode There are the following two methods for entry into test mode. • Automatic standby mode always is reached during POWER ON.
  • Page 46 • In principle, the HTV-1 system operates only as a combination of MAIN ASSY HTV-C1 and HTV-SW1, but operation is possible by applying AC 26 V at the input side (bettween AC1 and AC2) of the subtransformer (T2) in the MAIN assembly.
  • Page 47 HTV-SW1, HTV-C1 7.5 IN REGARD to the BACKUP FUNCTION (HTV-C1) Even when disconnected from the main power supply, HTV-C1 keeps the following memory settings stored for about two weeks to one month because of the backup power supply. When these settings are changed at the time of servicing, they will remain changed, so that caution is required.

  • Page 48: Block Diagram

    HTV-SW1, HTV-C1 7.3 BLOCK DIAGRAM CONTROL CENTER HTV–C1 IC2001 BU4066BCF IC4001(1/2) NJM4558MD IC3501 Q2001,Q2011 NJM4558MD 2SC2412K IC3001 CXD2724Q IC2002 NJM4558MD IC4001(2/2) NJM4558MD IC2511 NJM4558MD IC5001 PDG239A Q553 2SB1238X (Interruption Detect) Q5004 DTC143EK 11ES2 BA05T 11ES2 NJM7805FA Q5007 Q5008 DTA143EK NJM7806FA...
  • Page 49 HTV-SW1, HTV-C1 AMPLIFIER HTV–A1 2SC1740S 2SC1740S Q1301,Q1302,Q1307,Q1308 : 2SC1740S Q1309 : 2SC2240 IC6001(1/2) IC1101 M62419FP IC6501 STK407-040B NJM4558MD IC4503 NJM4558MD HPF (180Hz) Q1201,Q1202 2SD2144S IC6001(2/2) M62419FP IC7101 IC6701(2/2) NJM4558MD NJM4558MD LPF (180Hz) IC6701(1/2) Q1111 NJM4558MD 2SD2144S IC8001 BU2092F S1VB20/F03 D101...

  • Page 50: Panel Facilities And Specifications

    HTV-SW1, HTV-C1 8. PANEL FACILITIES AND SPECIFICATIONS CONTROL CENTER (HTV-C1) VOLUME SURROUND MODE INPUT 12 INPUT 12 ST.WIDE ST.WIDE VIRTUAL DOLBY AUTO POWER ON AUTO POWER ON STANDBY/ON DISPLAY INPUT STANDBY/ON VOLUME INPUT 12 ST.WIDE DOLBY VIRTUAL DISPLAY INPUT SURROUND MODE...
  • Page 51 HTV-SW1, HTV-C1 Remote Control Unit Australian model Except Australian model LEARN RESET PRESET RECALL TRANSMIT / PRESET PREOALL / LEARN VOLUME SOURCE PRESET STANDBY/ON SOURCE CHANNEL STANDBY/ON CHANNEL TV FUNC. VOLUME TV FUNC. GUIDE ENTER CATV TV/VCR TV/VCR ENTER GUIDE CH.ENTER...

  • Page 52: Specifications

    HTV-SW1, HTV-C1 SPECIFICATIONS HTV-1 Amplifier Section Furnished Parts Continuous power output (DIN) System cable A ................1 Front L/R ....... 30 W + 30 W (1 kHz, THD 1%, 8Ω) System cable B ................1 Subwoofer ........60 W (100 Hz, THD 1%, 8Ω) Audio cord ..................

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