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Service Manual
BRIDGEABLE POWER AMPLIFIER
ORDER NO.
GM-3000T/X1H/EW
CRT3239
GM-3000T GM-3000T
/X1H/UC
/X1H/EW
GM-3000T/X1H/ES
For details, refer to "Important symbols for good services".
PIONEER CORPORATION
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS (USA) INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A. PIONEER EUROPE NV Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER CORPORATION 2004
K-ZZB. JUNE 2004 Printed in Japan
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A
SAFETY INFORMATION
UC model
CAUTION 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.
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WARNING This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of California to cause cancer, birth defects or other reproductive harm. Health & Safety Code Section 25249.6 - Proposition 65
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- Service Precaution
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.
[ 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:
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1. 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. Adjustments
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.
3. Cleaning
E
For 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
Appropriately applying grease or glue can maintain the product performances. But improper lubrication or applying glue may lead to failures or troubles in the product. By following the instructions in this manual, be sure to apply the prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed ones should be used.
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GM-3000T/X1H/EW
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CONTENTS
SAFETY INFORMATION............................................2 1. SPECIFICATIONS .......................................................3 2. EXPLODED VIEWS AND PARTS LIST ......................4 2.1 PACKING..............................................................4 2.2 EXTERIOR ............................................................6 3. SCHEMATIC DIAGRAM.............................................8 3.1 OVERALL CONNECTION DIAGRAM..................8 4. PCB CONNECTION DIAGRAM................................10 4.1 AMP UNIT..........................................................10 5. ELECTRICAL PARTS LIST........................................14 6. ADJUSTMENT .........................................................16 7. GENERAL INFORMATION.......................................17 7.1 DIAGNOSIS .......................................................17 7.1.1 DISASSEMBLY.........................................17 7.1.2 CONNECTOR FUNCTION DESCRIPTION ......18 8. OPERATIONS ...........................................................19
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1. SPECIFICATIONS
Power source .......................................................................................................... 14.4 V DC (10.8 -- 15.1 V allowable) Grounding system .......................................................................................................................................... Negative type Backup Current .............................................................................................................................................. 5.1 mA or less Current consumption .................................................................................................... 11.3 A (at continuous power, 4 ) Average current drawn* ........................................................................................................ 3.8 A (4 for two channels) 5.9 A (4 for one channel) Fuse .............................................................................................................................................................................. 20 A Dimensions ...................................................................................................................... 300 (W) × 61 (H) × 157 (D) mm Weight .................................................................................................................... 2.6 kg (Leads for wiring not included) Maximum power output .................................................................................................................... 80 W × 2 / 200 W × 1 Continuous power output ........................................................................ 60 W × 2 / 150 W × 1 (DIN45324, +B=14.4 V) Load impedance .......................................................................................................................... 4 (2 -- 8 allowable) (Bridge connection: 4 -- 8 allowable) Frequency response .......................................................................................................... 10 -- 45,000 Hz (+0 dB, 1 dB) Signal-to-noise ratio .................................................................................................................... 100 dB (IEC-A network) Distortion ........................................................................................................................................ 0.008 % (10 W, 1 kHz) Separation ...................................................................................................................................................... 55 dB (1 kHz) Low pass filter .............................................................................................................................. Cut off frequency: 80 Hz Cut off slope: 12 dB/oct Maximum input level/impedance .................................................................................. RCA: 6.5 V/22 k (0.4 -- 6.5 V) Speaker: 26 V/40 k (1.6 -- 26 V)
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Note:
· Specifications and the design are subject to possible modification without notice due to improvements.
*Average 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.
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GM-3000T/X1H/EW
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A
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
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B
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5 2
3 4
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D
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GM-3000T/X1H/EW
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NOTE:
- 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. - For 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.)
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- PACKING SECTION PARTS LIST
Mark No. 1 2 3 4 5 * * 6-1 6-2 6-3 6-4 7 Description Cord Assy Screw Assy Screw Polyethylene Bag Polyethylene Bag Warranty Card Card Owner's Manual Owner's Manual Carton GM-3000T/X1H/EW HDE0036 HEA0058 BYC40P180FZK HZE0002 HEG0013 HRY1157 Not used HRD0272 Not used HHG0434 HHL0434 HHP0250 Part No. GM-3000T/X1H/UC HDE0036 HEA0058 BYC40P180FZK HZE0002 HEG0013 Not used ARY1048 HRD0271 Not used HHG0434 HHL0434 HHP0250 GM-3000T/X1H/ES HDE0036 HEA0058 BYC40P180FZK HZE0002 HEG0013 HRY1157 Not used HRD0273 HRD0274 HHG0434 HHL0434 HHP0250
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8 Contain Box 9 Protector
- Owner's Manual
Part No. HRD0271 HRD0272 HRD0273 HRD0274 Language English, French English, Spanish, German, French, Italian, Dutch English, Spanish Arabic, Portuguese(B)
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GM-3000T/X1H/EW
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1
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2.2 EXTERIOR
A
22
13 9
8
34
12 16
B
24
8
19 24 21 8 7 35 8 7 24 8
10 24 20 24 17 23
C
3 14 1 3 14 1 3 1 4 28 25 32 29
27
A
31
D
32 30 32 26 33 3 4 4 4 5 4 15
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11
2
F
6 2 35 35
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GM-3000T/X1H/EW
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- EXTERIOR SECTION PARTS LIST
Mark No. Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Screw Screw Screw Screw Screw Screw Screw Screw(M3x8) Screw(M3) Stud Case Panel Panel Holder Clip Holder Spacer ····· Insulator Insulator Part No. BBZ30P050FTC BBZ30P060FTC BBZ30P080FTC BBZ30P120FTC BMZ30P050FTC BSZ30P050FTC BSZ30P050FZK HBA0011 HBA0028 HLA0022 HNB0131 HNB0257 HNB0261 HNC0080 HNC0189 HNC0202 HNM0006 HNM0193 HNM0197 HNM0212 HNR0280 HWH0240 HWH0241 HWH0242 HNV0016 HEK0020 HKM1077 HKE0036 HKE0037 HKE0037 HKB0001 HNC0082 PPZ30P100SAD VNF1084 HXA0322 PPZ30P120FZK
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21 Insulator 22 Heat Sink 23 Amp Unit (EW) Amp Unit (UC) Amp Unit (ES) 24 25 26 27 28 29 30 31 32 33 Spacer Fuse (20A) Connector(CN904) Terminal(CN901) Terminal(CN905) Terminal(CN906) Pin Jack(CN801) Holder Screw Terminal(CN903)
C
D
34 Light Pipe Unit 35 Screw
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GM-3000T/X1H/EW
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3. SCHEMATIC DIAGRAM
3.1 OVERALL CONNECTION DIAGRAM
A
Note: When ordering service parts, be sure to refer to " EXPLODED VIEWS AND PARTS LIST" or "ELECTRICAL PARTS LIST".
NOT
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C
D
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F
A
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NOTE : 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.
Decimal points for resistor and capacitor fixed values are expressed as : 2.2 2R2 0.022 R022
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.
A
A
AMP UNIT
B
C
D
E
>
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A
GM-3000T/X1H/EW
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1
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4. PCB CONNECTION DIAGRAM
4.1 AMP UNIT
A NOTE FOR PCB DIAGRAMS
1.The parts mounted on this PCB include all necessary parts for several destination. For further information for respective destinations, be sure to check with the schematic diagram. 2.Viewpoint of PCB diagrams
A
AMP UNIT
FUSE
Connector
Capacitor
SIDE A
B
P.C.Board
Chip Part
SIDE B
C
D
E
4 2
3 1
F
A
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GM-3000T/X1H/EW
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8
SIDE A
A
BFC
B
C
D
E
R
F
L
A
GM-3000T/X1H/EW
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5
6
1
2
3
4
A
A
AMP UNIT
B
C
D
E
F
A
12 1 2
GM-3000T/X1H/EW
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SIDE B
A
B
C
D
E
1
F
A
GM-3000T/X1H/EW
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6
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2
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4
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5. ELECTRICAL PARTS LIST
NOTE:
- Parts whose parts numbers are omitted are subject to being not supplied. - The part numbers shown below indicate chip components. Chip Resistor RS1/_S___J,RS1/__S___J Chip Capacitor (except for CQS.....) CKS....., CCS....., CSZS.....
B
=====Circuit Symbol and No.===Part Name --- -----------------------------------------------
Part No. -------------------------
=====Circuit Symbol and No.===Part Name --- ----------------------------------------------D D D D D D D D D D D D L L L T TH TH S S VR 656 901 902 904 905 954 955 956 957 958 959 960 801 802 901 951 951 953 101 951 101 Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Ferri-Inductor Ferri-Inductor Choke Coil 50µH Transformer Thermistor Thermistor Switch Switch (BFC)(EW,ES) Volume 10k(A) Fuse (20A)
Part No. ------------------------ERA15-02VH ERA15-02VH ERA15-02VH 1SS133 1SS133 1SS133 1SS133 FML22S FML22R HZS16L(1) HZS16L(1) 1SS133 CTF1007 CTF1007 CTH1218 HTT0012 CCX1013 HCX0001 CSH1021 HSH-156 CCS1241 HEK0020
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IC IC IC IC IC
Unit Number Unit Number Unit Number Unit Name
101 151 651 801 802 951 151 152 154 155 156 251 252 254 255 256 601 602 605 606 651 652 653 654 655 656 657 658 659 951 952 953 956 957 960 961 962 963 601 602 651 652 653 654 655 IC IC IC IC IC IC Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor FET FET Transistor Transistor Transistor Transistor Diode Diode Diode Diode Diode LED Diode
: : : :
HWH0240(EW) HWH0241(UC) HWH0242(ES) Amp Unit
NJM4558MD NJM2068M PA2027A NJM2068M NJM2068M UPC494C 2SA992 2SC1845 2SC1845 2SD2438 2SB1587 2SA992 2SC1845 2SC1845 2SD2438 2SB1587 2SD1768S 2SD1768S 2SC2412K 2SC2412K 2SA1037K 2SC2412K 2SC2412K 2SC2412K 2SA1037K 2SC2458 2SA1048 2SB1243 DTA124ES DTA114ES 2SA1048 2SA1048 IRF1010N IRF1010N 2SD1864 2SB1243 DTC114TK 2SC2412K 1SS133 1SS133 1SS133 HZS7L(A2) 1SS133 DB1112H ERA15-02VH
MISCELLANEOUS
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IC Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q
RESISTORS
R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R 102 103 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 202 203 251 252 253 254 RS1/10S103J RS1/10S103J RS1/10S222J RS1/10S910J RS1/10S511J RS1/10S223J RS1/10S153J RS1/10S153J RD1/4PU561J RD1/4PU561J RD1/4PU161J RD1/4PU161J RD1/4PU473J RD1/4PU473J RD1/4PU221J RD1/4PU562J RD1/4PU222J RD1/4PU473J RD1/4PU473J CCN1013 CCN1013 CCN1013 CCN1013 RD1/2PM100J RS1/10S103J RS1/10S103J RS1/10S222J RS1/10S910J RS1/10S511J RS1/10S223J
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Q Q Q Q Q Q Q Q D D D D D D D
0.22 0.22 0.22 0.22
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=====Circuit Symbol and No.===Part Name --- ----------------------------------------------R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 601 602 605 606 609 610 613 614 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 801 802 803 804 805 806 807 808 809 810 811 812 813
Part No. ------------------------RS1/10S153J RS1/10S153J RD1/4PU561J RD1/4PU561J RD1/4PU161J RD1/4PU161J RD1/4PU473J RD1/4PU473J RD1/4PU221J RD1/4PU562J RD1/4PU222J RD1/4PU473J RD1/4PU473J CCN1013 CCN1013 CCN1013 CCN1013 RD1/2PM100J RD1/4PU393J RD1/4PU393J RD1/4PU564J RD1/4PU564J RD1/2PM473J RD1/2PM473J RS1/10S472J RS1/10S472J RS1/10S104J RS1/10S103J RS1/10S472J RD1/4PU392J RS1/10S472J RS1/10S222J RS1/10S221J RS1/10S102J RS1/10S473J RS1/10S103J RS1/10S103J RS1/10S222J RS1/10S472J RS1/10S622J RS1/10S622J RS1/10S103J RS1/10S472J RS1/10S473J RS1/10S223J RS1/10S223J RS1/10S223J RS1/10S472J RD1/4PU101J RD1/4PU221J RD1/4PU152J RD1/2PM681J RS1/10S471J RS1/10S471J RS1/10S223J RS1/10S223J RN1/10SE2201D RN1/10SE2201D RN1/10SE2201D RN1/10SE2201D RS1/10S104J RS1/10S104J RN1/10SE2201D RN1/10SE2201D RN1/10SE2201D
=====Circuit Symbol and No.===Part Name --- ----------------------------------------------R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R 814 831 832 953 955 956 957 958 959 960 961 962 963 964 965 966 967 972 973 976 977 978 979 980 981 982 983 984 985 986 990
Part No. ------------------------RN1/10SE2201D RS1/10S683J RS1/10S683J RD1/4PU103J RS1/10S473J RS1/10S102J RS1/10S153J RS1/10S105J RD1/4PU101J RD1/4PU332J RD1/4PU101J RS1/10S332J RS1/10S472J RS1/10S472J RS1/10S472J RD1/4PU272J RD1/4PU272J RD1/2PM121J RD1/2PM121J RD1/2PM220J RD1/2PM220J RD1/2PM220J RD1/2PM220J RD1/4PU100J RD1/4PU100J RD1/4PU472J RD1/4PU472J RD1/4PU563J RD1/4PU104J RD1/4PU183J RS1/10S223J
A
(EW,ES)
0.22 0.22 0.22 0.22
B
C
CAPACITORS
C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C 102 103 151 152 153 154 155 156 157 158 159 160 171 172 202 203 251 252 253 254 255 256 257 258 259 260 271 272 651 652 CKSQYB274K16 CKSQYB154K16 CEAT101M10 CCSQSL680J50 CFTNA224J50 CFTNA224J50 CCSQCH220J50 CCPUSL330J50 CCPUSL330J50 CCSQCH220J50 CFTLA223J50 CFTLA333J50 CCSQCH101J50 CCSQCH101J50 CKSQYB274K16 CKSQYB154K16 CEAT101M10 CCSQSL680J50 CFTNA224J50 CFTNA224J50 CCSQCH220J50 CCPUSL330J50 CCPUSL330J50 CCSQCH220J50 CFTLA223J50 CFTLA333J50 CCSQCH101J50 CCSQCH101J50 CCH1036 CKSQYB103K50
D
E
220µF/10V
F
GM-3000T/X1H/EW
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5
6
1
2
3
4
A
=====Circuit Symbol and No.===Part Name --- ----------------------------------------------C C C C C C C C C C C C C C C C C C C C C C C C C 653 654 655 656 657 659 660 661 662 663 664 801 802 803 804 805 806 807 808 809 810 811 812 831 832
Part No. ------------------------CKSQYB103K50 CKSQYB103K50 CEAT100M16 CEAT100M16 CEAT470M16 CKSQYB103K50 CEAT220M16 CCH1183 CKSQYB103K50 CQMA103J50 CEAT2R2M50 CKSQYB471K50 CKSQYB471K50 CEAT100M16 CEAT100M16 CKSQYB472K50 CKSQYB472K50 CCSQCH271J50 CCSQCH271J50 CCSQCH271J50 CCSQCH271J50 CKSQYB103K50 CKSQYB103K50 CEAT100M16 CEAT100M16
=====Circuit Symbol and No.===Part Name --- ----------------------------------------------C C C C C C C C C C C C C C C C C C C C C C 901 951 952 953 954 955 956 958 959 960 961 962 963 968 969 970 971 972 973 974 975 976 3300µF/16V
Part No. ------------------------CFTNA224J50 CEAT100M16 CEAT221M10 CQMA102J50 CEAT2R2M50 CEAT100M16 HCH0005 CQMA472J50 CQMA472J50 CQMA102J50 CQMA102J50 HCH0003 HCH0003 CEAT101M35 CEAT101M35 CEAT100M50 CEAT100M50 CKSQYB473K50 CKSQYB473K50 CEAT470M16 CEAT470M16 CFTNA564J50
470µF/16V
B
2200µF/35V 2200µF/35V
C
D
E
6. ADJUSTMENT
F
There is no information to be shown in this chapter.
16 1 2
GM-3000T/X1H/EW
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5
6
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7. GENERAL INFORMATION
7.1 DIAGNOSIS 7.1.1 DISASSEMBLY
A
- Removing the Case (Fig.1)
1 2
Remove the three screws.
1 2 1 1 2
B
Remove the four screws and then remove the Case.
2
2
Case
- Removing the Amp Unit (Fig.2)
C
Fig.1
1 2 3 4 5
Remove the six screws and then remove the Panel. Remove the screw.
1 1
1
1
1 1
Panel
D
Remove the six screws and then remove the Panel. Remove the ten screws.
5 4
5 5 5 5 4
Remove the nine screws and then remove the Amp Unit.
Amp Unit
3
5
5 5
5 3 2
E
3
3
3
3
Panel
Fig.2
F
GM-3000T/X1H/EW
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5
6
1
2
3
4
7.1.2 CONNECTOR FUNCTION DESCRIPTION
A
B
C
D
E
F
18 1 2
GM-3000T/X1H/EW
3
4
Gain Control Power Indicator
The power indicator lights when the power is switched on.
5
· When using with an RCA equipped car stereo (standard output of 500 mV), set to the NORMAL position. When using with an RCA 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.
BFC (Beat Frequency Control) Switch
6
8. OPERATIONS
5
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.
6
If you hear a beat while listening to an MW/LW broadcast with your car stereo, change the BFC switch using a small standard tip screwdriver.
GM-3000T/X1H/EW
7
7
LPF (Low-Pass Filter) Select Switch
Set the LPF select switch as follows according to the type of speaker that is connected to the speaker output connector and the car stereo system: LPF Select Switch
LPF (left) OFF (right)
Audio frequency range to be output
Very Low Frequency range Full range
Speaker Type
Subwoofer Full range
Remarks
8 Connect a subwoofer.
8 E
19 B A D C
F