GM-X972 XR/UC,XR/EW,XR/ES

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1 RIG Service Manual RIGL POWR MPLIIR GM-X972 XR/U,XR/W,XR/S RIGL 2-H POWR MPLIIR 0 0 ORR NO. RT008 or details, refer to "Important symbols for good services". PIONR ORPORTION 4-, Meguro -home, Meguro-ku, Tokyo , Japan PIONR LTRONIS (US) IN. P.O.ox 760, Long each, U.S.. PIONR UROP NV Haven 087 Keetberglaan, 920 Melsele, elgium PIONR LTRONIS SINTR PT.LT. 25 lexandra Road, #04-0, Singapore 5996 PIONR ORPORTION 2002 K-ZZY. NOV Printed in Japan

2 2 4 STY INORMTION - UTION This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair complex products such as those covered by this manual. Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty. 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. WRNING This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of alifornia to cause cancer, birth defects or other reproductive harm. Health & Safety ode Section Proposition 65 [ Important symbols for good services ] In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely. When you find the procedures bearing any of the symbols, be sure to fulfill them:. Product safety You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and should keep the safety during servicing by following the safety instructions described in this manual. 2. djustments To keep the original performances of the product, optimum adjustments or specification confirmation is indispensable. In accordance with the procedures or instructions described in this manual, adjustments should be performed.. leaning or optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other parts requiring cleaning, proper cleaning should be performed to restore their performances. 4. Shipping mode and shipping screws To protect the product from damages or failures that may be caused during transit, the shipping mode should be set or the shipping screws should be installed before shipping out in accordance with this manual, if necessary. 5. Lubricants, glues, and replacement parts ppropriately applying grease or glue can maintain the product performances. ut improper lubrication or applying glue may lead to failures or troubles in the product. y following the instructions in this manual, be sure to apply the prescribed grease or glue to proper portions by the appropriate amount.or replacement parts or tools, the prescribed ones should be used

3 ONTNTS STY INORMTION...2. SPIITIONS XPLO VIWS N PRTS LIST PKING XTRIOR...6. SHMTI IGRM...8. OVRLL ONNTION IGRM(GUI PG) P ONNTION IGRM MP UNIT LTRIL PRTS LIST JUSTMNT GNRL INORMTION IGNOSIS ISSSMLY ONNTOR UNTION SRIPTION I OPRTIONS SPIITIONS Power source V ( V allowable) Grounding system... Negative type urrent consumption (at continuous power, 4 Ω) ackup current....0 m or less verage current drawn* (4 Ω for two channels) 8.5 (4 Ω for one channel) use imensions (W) 50 (H) 09 () mm [0-5/8 (W) 2 (H) 2-/8 () in] Weight....7 kg (8.2 lbs) (Leads for wiring not included) Maximum power output W 2 / 800 W ontinuous power output W 2 (at 4.4 V, 4 Ω, 20 20,000 Hz, 0.08% TH) 400 W (at 4.4 V, 4 Ω, 20 20,000 Hz, 0.8% TH) 200 W 2 (at 4.4 V, 2 Ω, 20 20,000 Hz, 0.8% TH) Load impedance... 4 Ω (2 8 Ω allowable) (ridge connection: 4 8 Ω allowable) requency response ,000 Hz (+0 d, d) Signal-to-noise ratio d (IH network) istortion % (0 W, khz) Separation d ( khz) Low pass filter... ut off frequency: 80 Hz ut off slope: 2 d/oct Maximum input level/impedance... R: 6.5 V/22 kω ( V) Speaker: 26 V/40 kω ( V) Note: Specifications and the design are subject to possible modification without notice due to improvements. *verage current drawn The average current drawn is nearly the maximum current drawn by this unit when an audio signal is input. Use this value when working out total current drawn by multiple power amplifiers.

4 XPLO VIWS N PRTS LIST 2. PKING 4 2 4

5 NOT: - Parts marked by * are generally unavailable because they are not in our Master Spare Parts List. - Screws adjacent to mark on the product are used for disassembly. - or the applying amount of lubricants or glue, follow the instructions in this manual. ( In the case of no amount instructions, apply as you think it appropriate.) - PKING STION PRTS LIST Mark No. escription Part No. Screw ssy H Screw Y40P80ZK Polyethylene ag HG00 4 over HNS00 5 Polyethylene ag HG arton HHG09 7 ontain ox HHL09 8 Protector HHP068 9 Owner s Manual(U) HR028 Owner s Manual(W) HR0220 Owner s Manual(S) HR Owner s Manual(S) HR022 * Warranty ard HRY57 2 ord ssy H006 - Owner's Manual Part No. Language HR028 nglish, rench HR0220 nglish, rench, Spanish, German, Italian, utch HR0222 nglish, Spanish HR022 Portuguese(), rabic 5

6 XTRIOR 6 2 4

7 - XTRIOR STION PRTS LIST Mark No. escription Part No. Screw Z0P060ZK 2 Screw Z0P60ZK hassis HN00 4 Panel HN087 5 Panel HN090 6 ase HN094 7 Spacer HNM Spacer HNM024 9 Heat Sink HNR mp Unit(U) HWH094 mp Unit(W) HWH095 mp Unit(S) HWH096 Screw Z0P050ZK 2 Screw Z0P080M Terminal(N604) K use(0) HK000 6 Pin Jack(N80) HK Terminal(N60) HK Terminal(N85) HK Terminal(N852) HK onnector(n80) HKM077 2 Holder HN lip HN045 2,24 25 Heat Sink HNR Screw PPZ0P00ZK 27 Light Pipe Unit HX09 28 Screw ISS0P055U 29 Screw PPZ0P00ZK 0 Screw H0029 T(Q62,6,64,65,66,67)STP80N55-06P 2 iode(6) ML22R iode(62) ML22S 4 ushion HNM662 5 Screw H000 6 Screw Z0P060ZK 7

8 2 4. SHMTI IGRM. OVRLL ONNTION IGRM(GUI PG) -a -b Large size SH diagram -a -b Guide page MP UNIT -a -a -b etailed page GIN = LP SLT HS000 0kΩ() HS000 0kΩ() GIN = -2d LP SLT W, S ONLY 75µH 75µH 8 2 4

9 -b MPLIIR GIN =.5-4.8d *** R608 R609 U R8K R8K W, S 5RK 5RK *** *** W, S ONLY U60 HK000 U602 > 4µH HK000 > U ONLY RM4Z-LJ4 NOT : Symbol indicates a resistor. No differentiation is made between chip resistors and discrete resistors. Symbol indicates a capacitor. No differentiation is made between chip capacitors and discrete capacitors. 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. ecimal points for resistor and capacitor fixed values are expressed as : 2.2 2R R022 9

10 a -b HS000 0kΩ() HS000 0kΩ() GIN = LP SLT LP SLT MP UNIT GIN = -2d 0 -a 2 4

11 4 W, S ONLY 75µH 75µH -a -b -a

12 2 4 -a -b MPLIIR GIN =.5-4.8d 2 -b 2 2 4

13 U60 HK000 > -a -b U602 HK000 > RM4Z-LJ4 *** R609 R8K 5RK R608 R8K 5RK U W, S *** *** ecimal points for resistor and capacitor fixed values are expressed as : 2.2 2R R022 W, S ONLY 4µH NOT : Symbol indicates a resistor. No differentiation is made between chip resistors and discrete resistors. Symbol indicates a capacitor. No differentiation is made between chip capacitors and discrete capacitors. 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. U ONLY 4 -b

14 P ONNTION IGRM 4. MP UNIT NOT OR P IGRMS.The parts mounted on this P include all necessary parts for several destination. or further information for respective destinations, be sure to check with the schematic diagram. 2.Viewpoint of P diagrams onnector apacitor SI P..oard hip Part SI MP UNIT 4 2 L- L+ R- R+ SPKR INPUT R+ L+ R- L- INPUT GIN LP SLT 4 2 4

15 SI U60 U602 POWR SUPPLY 2 2 SPKR OUTPUT 2 5

16 2 4 MP UNIT 6 2 4

17 SI L- 7

18 LTRIL PRTS LIST NOTS: - Parts whose parts numbers are omitted are subject to being not supplied. - The part numbers shown below indicate chip components. hip Resistor RS/_S J,RS/ S J hip apacitor (except for QS...) KS..., S..., SZS... =====ircuit Symbol and No.===Part Name Part No Unit Number Unit Name MISLLNOUS : HWH094 (U) : HWH095 (W) : HWH096 (S) : mp Unit I 0 I NJM2068 I 0 I NJM2068 I 50 I T729V I 502 I T729V I 50 I T729V I 504 I T729V I 505 I T729V I 506 I T729V I 60 I P2027 I 602 I UP494 I 80 I NJM2068 I 802 I NJM2068 Q 20 Transistor KSR2202 Q 202 Transistor KS62 Q 60 Transistor KS62 Q 602 Transistor KS82 Q 60 Transistor 2S24 Q 604 Transistor KSR2202 Q 606 Transistor 2S99 Q 607 Transistor 2S99 Q 608 Transistor 2S277 Q 609 Transistor 2S277 Q 62 T STP80N55-06P Q 6 T STP80N55-06P Q 64 T STP80N55-06P Q 65 T STP80N55-06P Q 66 T STP80N55-06P Q 67 T STP80N55-06P Q 660 Transistor 2S864 Q 66 Transistor 2S24 Q 90 Transistor KS82 Q 902 Transistor KS82 Q 905 Transistor KS82 Q 906 Transistor KS62 Q 907 Transistor KS62 20 iode SS 60 iode RM4Z-LJ4 60 iode HZS7L(2) 604 iode SS 6 iode ML22R 62 iode ML22S 6 iode HZS6L() 64 iode HZS6L() 65 iode R5-02VH =====ircuit Symbol and No.===Part Name Part No iode R5-02VH 909 iode SS 9 L L94R25SR L 50 oil HTH00 L 502 oil HTH00 L 60 hoke oil 4µH (W, S) HTH0006 L 602 hoke oil 75µH HTH000 L 60 hoke oil 75µH HTH000 L 80 erri-inductor T007 L 802 erri-inductor T007 T 60 Transformer HTT0024 TH 60 Thermistor HX000 S 0 Switch(LP SLT) HSH0004 S 60 Switch() (W, S) HSH-56 VR 0 Volume 0kΩ() HS000 U 602 use 0 HK000 U 60 use 0 HK000 RSISTORS R 0 RS/6S0J R 02 RS/6S0J R 0 RS/6S0J R 04 RS/6S0J R 20 RS/6S472J R 202 R/4PU02J R 20 R/4PU202J R 204 R/4PU22J R 205 R/4PU0J R 206 R/4PUJ R 0 RS/6S222J R 02 RS/6S222J R 0 RS/6S50J R 04 RS/6S50J R 05 RS/6S0J R 06 RS/6S0J R 07 RS/6S222J R 08 RS/6S222J R 50 RS/6S22J R 502 RS/6S22J R 50 RS/6S9J R 504 RS/6S9J R 505 R/4PU24J R 506 R/4PU24J R Ω HN0005 R Ω HN0005 R 509 R/4PU47J R 50 R/4PU47J R 5 RS/6S02J R 52 RS/6S02J R Ω HN0005 R Ω HN0005 R Ω HN0005 R Ω HN0005 R 60 R/4PU02J 8 2 4

19 =====ircuit Symbol and No.===Part Name Part No R 602 R/4PU47J R 60 R/4PU0J R 604 R/4PU0J R 605 R/4PU222J R 606 R/4PU472J R 607 R/4PU472J R 608 (U) R/4PU82J R 608 (W, S) R/4PU52J R 609 (U) R/4PU82J R 609 (W, S) R/4PU52J R 60 R/4PU0J R 6 R/4PU472J R 62 R/4PU0J R 6 R/4PU22J R 64 R/4PU52J R 66 RS/6S0J R 69 RS/6S02J R 620 RS/6S47J R 62 RS/6S02J R 622 RS/6S5J R 62 (W, S) R/4PU05J R 625 R/4PU62J R 626 R/4PU62J R 627 RS/6S472J R 628 RS/6S472J R 6 R/4PU272J R 62 RS/6S472J R 65 RS/2PM60J R 66 RS/2PM60J R 67 RS/2PM60J R 68 RS/2PM60J R 69 RS/2PM60J R 640 RS/2PM60J R 64 R/4PU472J R 642 R/4PU472J R 64 RS/2PM220J R 645 R/4PU472J R 646 R/4PU472J R 647 RS/2PM56J R 648 RS/2PM56J R 649 RS/2PM220J R 650 R/4PU04J R 65 R/4PU0J R 652 R/4PU9J R 654 R/4PU22J R 655 R/4PU22J R 656 R/4PU22J R 657 RS/2PM56J R 658 RS/2PM56J R 665 RS/2PM220J R 666 RS/2PM220J R 80 RS/6S47J R 802 RS/6S47J R 80 RS/6S22J R 804 RS/6S22J R 805 RN/0S002 R 806 RN/0S002 R 807 RN/0S002 R 808 RN/0S002 R 8 RN/0S002 R 82 RN/0S002 R 8 RN/0S002 R 84 RN/0S002 R 8 RS/6S68J R 82 RS/6S68J =====ircuit Symbol and No.===Part Name Part No R Ω HN000 R Ω HN000 R Ω HN000 R Ω HN000 R 905 R/4PU56J R 906 R/4PU56J R 907 R/4PU20J R 908 R/4PU20J R 97 R/4PU27J R 98 R/4PU472J R 99 R/4PU0J R 920 R/4PU92J R 924 R/4PU47J R 90 R/4PUJ R 9 R/4PUJ PITORS 0 TN274J50 02 TN274J50 0 TN54J50 04 TN54J50 20 TR0M TR0M50 0 SRH0J50 02 SRH0J50 0 TN0J50 04 TN0J50 50 T220M T220M50 50 T0M T0M T220M T220M TN04J TN04J TN04J50 50 TN04J50 5 SRH47J50 52 SRH47J50 57 T220M50 58 T220M50 59 TN04J TN04J50 52 TN04J TN04J TN04J50 50 TN04J50 5 TN04J50 52 TN04J50 57 TN564J50 58 TN564J50 59 QM02J QM02J50 60 TN0J TN224J50 60 TN0J TN0J T00M6 608 T00M6 609 T470M6 6 T220M µ/6V HH00 6 TN0J50 64 TN0J50 65 T00M6 66 T22M0 67 QM02J50 9

20 2 4 =====ircuit Symbol and No.===Part Name Part No T2R2M50 69 T0M6 620 QM472J50 62 QM472J QM02J µ/6V HH µ/6V HH TN564J50 6 T470M6 62 T470M6 6 T22M50 64 T22M50 65 T470M6 66 T470M6 67 TN47J50 68 TN47J QM02J µ/50V HH µ/50V HH µ/50V HH µ/50V HH QM0J50 80 SRH47J SRH47J50 80 T00M6 804 T00M6 805 QM472J QM472J SRH470J SRH470J SRH470J50 80 SRH470J50 8 TN04J50 82 TN04J50 8 T00M6 82 T00M µ/0V HH JUSTMNT There is no information to be shown in this chapter

7. GNRL INORMTION 7. IGNOSIS 7.. ISSSMLY - Removing the ase (not shown). Remove the eight screws and then remove the ase. - Removing the mp Unit (ig.) Panel Remove the eight screws.

21 7. GNRL INORMTION 7. IGNOSIS 7.. ISSSMLY - Removing the ase (not shown). Remove the eight screws and then remove the ase. - Removing the mp Unit (ig.) Panel Remove the eight screws. 2 Remove the screw and then remove the two Panels. Remove the eight screws and then remove the two Heat Sinks. 4 Remove the five screws and then remove the mp Unit Heat Sink mp Unit 2 Panel Heat Sink ig. 2

22 ONNTOR UNTION SRIPTION - 6.5V 0.2V RIG RIGL 2-H POWR MPLIIR

23 7.2 I *T729V MUT STY THRML SHUTOWN S/ PROTTION STN-Y GN INVRTING INPUT NON INVRTING INPUT SIGNL GN LIP N SHORT IRUIT TTOR OOTSTRP +Vs (SIGNL) -Vs (SIGNL) STN-Y MUT UR RIVR OOTSTRP LOR +Vs (POWR) OUT -Vs (POWR) I's marked by * are MOS type. e careful in handling them because they are very liable to be damaged by electrostatic induction. 2

24 OPRTIONS Power Indicator The power indicator lights when the power is switched on. (eat requency ontrol) Switch If you hear a beat while listening to an MW/LW broadcast with your car stereo, change the switch using a small standard tip screwdriver. GM-X972/XR/W GM-X972/XR/S LP (Low-Pass ilter) Select Switch Set the LP select switch as follows according to the type of speaker that is connected to the speaker output connector and the car stereo system: LP Select udio frequency range Speaker Remarks Switch to be output Type LP (left) Very Low requency range Subwoofer onnect a subwoofer. O (right) ull range ull range Gain ontrol If the sound level is too low, even when the volume of the car stereo used along with this power amplifier is turned up, turn gain control on the front of the power amplifier clockwise. If the sound distorts when the volume is turned up, turn the gain control counter-clockwise. When using with an R equipped car stereo (standard output of 500 mv), set to the NORML position. When using with an R equipped Pioneer car stereo with max. output of 4 V or more, adjust level to match the car stereo output level. If you hear too much noise when using the speaker input terminals, turn the gain control counter-clockwise

25 onnection iagram use (0 ) Ground wire (black) [R-22] (sold separately) onnect to metal body or chassis. use (0 ) Special red battery wire [R-22] (sold separately) fter making all other connections at the amplifier, connect the battery wire terminal of the amplifier to the positive (+) terminal of the battery. Grommet onnecting wires with R pin plugs (sold separately). xternal Output ar stereo with R output jacks ront side R input jack Speaker input terminal use (0 ) 2 ack side Speaker output terminal See the onnecting the Speaker wires section for speaker connection instructions. System remote control wire (sold separately) onnect the male terminal of this wire to the system remote control terminal of the car stereo (SYSTM RMOT ONTROL). The female terminal can be connected to the auto-antenna relay control terminal. If the car stereo does not have a system remote control terminal, connect the male terminal to the power terminal through the ignition switch. 25

For details, refer to "Important check points for good servicing".

For details, refer to Important check points for good servicing. LSS MONO MPLIIR PRS-2000SPL/XU/U ORR NO. RT3934 PRS-2000SPL/XU/U PRS-2000SPL/XUW5 or details, refer to "Important check points for good servicing". PIONR ORPORTION 4-, Meguro -chome, Meguro-ku, Tokyo 53-8654,