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ORDER NO.
CRT5636
GM-D1004/XEVUC
CLASS D FOUR-CHANNEL AMPLIFIER
GM-D1004 /XEVUC
GM-D1004 /XEVEW5
PIONEER CORPORATION 1-1, Shin-ogura, Saiwai-ku, Kawasaki-shi, Kanagawa 212-0031, 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
PIONEER CORPORATION 2014
K-ZZZ SEPT. 2014 Printed in Japan
1 2 3 4
SAFETY INFORMATION
CAUTION
A 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.
WARNING
This product may contain a chemical known to the State of California to cause cancer, or birth defects or
other reproductive harm.
Health & Safety Code Section 25249.6 - Proposition 65
B
Where in a manufacturer's service documentation, for example in circuit diagrams or lists
of components, a symbol is used to indicate that a specific component shall be replaced only
by the component specified in that documentation for safety reasons, the following symbol shall
be used:
C
CONTENTS
SAFETY INFORMATION..................................................................................................................................... 2
D 1. SERVICE PRECAUTIONS ............................................................................................................................... 3
1.1 SERVICE PRECAUTIONS......................................................................................................................... 3
1.2 NOTES ON SOLDERING .......................................................................................................................... 3
2. SPECIFICATIONS ............................................................................................................................................ 3
2.1 SPECIFICATIONS...................................................................................................................................... 3
3. BASIC ITEMS FOR SERVICE.......................................................................................................................... 4
3.1 CHECK POINTS AFTER SERVICING....................................................................................................... 4
3.2 JIGS LIST .................................................................................................................................................. 4
4. BLOCK DIAGRAM............................................................................................................................................ 6
4.1 BLOCK DIAGRAM ..................................................................................................................................... 6
5. DIAGNOSIS...................................................................................................................................................... 8
E
5.1 CONNECTOR FUNCTION DESCRIPTION ............................................................................................... 8
6. SERVICE MODE .............................................................................................................................................. 8
7. DISASSEMBLY................................................................................................................................................. 9
8. EACH SETTING AND ADJUSTMENT ........................................................................................................... 11
9. EXPLODED VIEWS AND PARTS LIST.......................................................................................................... 12
9.1 PACKING ................................................................................................................................................. 12
9.2 EXTERIOR............................................................................................................................................... 14
10. SCHEMATIC DIAGRAM ............................................................................................................................... 16
10.1 PCB ASSY ............................................................................................................................................. 16
11. PCB CONNECTION DIAGRAM ................................................................................................................... 18
11.1 PCB ASSY ............................................................................................................................................. 18
12. ELECTRICAL PARTS LIST .......................................................................................................................... 22
F
GM-D1004/XEVUC
2
1 2 3 4
5 6 7 8
1. SERVICE PRECAUTIONS
1.1 SERVICE PRECAUTIONS
A
1. 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. The part listed below is difficult to replace as a discrete component part.
When the part listed in the table is defective, replace whole Assy.
Unit No. Part No. Reason
PCB IC101 IR4322 Heat pad
IC301 IR4322 Heat pad
B
1.2 NOTES ON SOLDERING
For environmental protection, lead-free solder is used on the printed circuit boards mounted in this unit. C
Be sure to use lead-free solder and a soldering iron that can meet specifications for use with lead-free solders for repairs
accompanied by reworking of soldering.
Compared with conventional eutectic solders, lead-free solders have higher melting points, by approximately 40 C.
Therefore, for lead-free soldering, the tip temperature of a soldering iron must be set to around 373 C in general, although
the temperature depends on the heat capacity of the PC board on which reworking is required and the weight of the tip of
the soldering iron.
Compared with eutectic solders, lead-free solders have higher bond strengths but slower wetting times and higher melting
temperatures (hard to melt/easy to harden).
D
The following lead-free solders are available as service parts:
Parts numbers of lead-free solder:
GYP1006 1.0 in dia.
GYP1007 0.6 in dia.
GYP1008 0.3 in dia.
E
2. SPECIFICATIONS
2.1 SPECIFICATIONS
For all items except the backup current, refer to the Owner's Manual.
Backup current......................... 1.0 mA or less
F
GM-D1004/XEVUC
5 6 7 8
3
1 2 3 4
3. BASIC ITEMS FOR SERVICE
3.1 CHECK POINTS AFTER SERVICING
A
To keep the product quality after servicing, please confirm following check points.
No. Procedures Item to be confirmed
1 Confirm whether the customer complain has The customer complain must not be
been solved. reappeared.
Audio and operations must be normal.
2 Check the output sound. Audio and operations must be normal.
3 Appearance check No scratches or dirt on its appearance after
receiving it for service.
B
See the table below for the items to be checked regarding audio:
Item to be checked regarding audio
Distortion
Noise
Volume too low
Volume too high
Volume fluctuating
Sound interrupted
C
D
3.2 JIGS LIST
- Lubricants and Glues List
Name Grease No. Remarks
Bond GYL1006 Applying to choke coil and capacitor
E
F
GM-D1004/XEVUC
4
1 2 3 4
5 6 7 8
A
B
C
D
E
F
GM-D1004/XEVUC
5 6 7 8
5
1 2 3 4
4. BLOCK DIAGRAM
4.1 BLOCK DIAGRAM
A
INVERSION
F-Lch INPUT Buffer R113 R111 Buffer
IC1A
ISOLATOR OP AMP
AUTO ON Q17
Sense IC3B IC3A
Q170,171 Q172,173
Q101
AUTO
SP INPUT RCA-SP INPUT SP INPUT
Sense Control SWITCHING
B
F-Rch INPUT Buffer R213 R211
IC1B Buffer
ISOLATOR OP AMP
IC4B IC4A
Q201
SP INPUT
SWITCHING
OUTPUT LIMITING
AUTO
4CH-2CH Q81,83
Q301 GAIN
SWITCHING Control
SP INPUT
SWITCHING
Buffer R313 R311
C IC2B Buffer
ISOLATOR OP AMP
IC5A IC5B
R-Lch INPUT
Q401
SP INPUT
SWITCHING
INVERSION
Buffer R411
R413 Buffer
IC2A
ISOLATOR OP AMP
D R-Rch INPUT IC6A IC6B
+B LINE 19A OVER
HIGH
CURRENT SENSING Current
Sensing
2ohm/4ohm /SWITCHING
IC13B
IC12
REMOTE
SWITCHING PWM IC FET
E
PROTECTION CIRCUT Q
Q28,29 Q4
Q15 MUTE OVER LOAD
SWITCHING SP SHORT
HIGH LOW
VOLTAGE VOLTAGE
R1 R16
SD
TEMPERATURE
Q2 SWITCHING
TH1,2,Q3
F
GM-D1004/XEVUC
6
1 2 3 4
5 6 7 8
A
A PCB ASSY
Buffer
OP AMP
IC3A
LOW PASS L103
IC7,8A F-Lch
IC101 LC Filter
OUTPUT
2 Channel
HIGH PASS Class D Audio
DC PT
IC7,8B Power Amplifier
L203 B
F-Rch
Buffer
OP AMP LC Filter
OUTPUT
IC4A
Q62,63 LIMITING
UTPUT LIMITING LOW OUTPUT
Q81,83 OFF SENS /
Q250,350 SWITCHING
SD
SWITCHING
Buffer C
OP AMP
IC5B
LOW PASS L303
IC9,10A IC301 R-Lch
LC Filter
OUTPUT
2 Channel
HIGH PASS Class D Audio DC PT
IC9,10B
Power Amplifier
L403
Buffer R-Rch
OP AMP LC Filter
OUTPUT
IC6B D
nt
ng
HING
3B
D16 IC15
+B RECTIFIER DC +15V DC +5V
FET DRIVER BOOST VOLTAGE
TRANS D17,18 IC14
E
Q5,6 T1 -B RECTIFIER DC -15V DC -5V
LOW
VOLTAGE
R16
F
GM-D1004/XEVUC
5 6 7 8
7
1 2 3 4
5. DIAGNOSIS
5.1 CONNECTOR FUNCTION DESCRIPTION
A
Right side
POWER / OUTPUT
15 13 11 9 7 5 3 1
2
16 14 12 10 8 6 4
1. Chassis Ground 9. RR- (GND)
B 2. 12 V Supply 10. RL-
3. System Control 11. RR+
12. RL+ (GND)
13. FR-
14. FL- (GND)
15. FR+ (GND)
16. FL+
C
Left side
SIGNAL INPUT
8 6 4 2 1. FL-
2. FL+
3. FR-
7 5 3 1 4. FR+
5. RL-
6. RL+
D 7. RR-
8. RR+
E
6. SERVICE MODE
There is not information to be shown in this chapter.
F
GM-D1004/XEVUC
8
1 2 3 4
5 6 7 8
7. DISASSEMBLY
While the photograph shown is slightly different from this model in shape, the disassembly procedure is the same.
A
Removing the Heatsink (Fig.1)
1 Remove the eight screws and then Heatsink
remove the Heatsink. 1 1 1 1
B
1 1 1 1
Fig.1
Removing the PCB Assy (Fig.2)
PCB Assy
1 Remove the nine screws and then
remove the PCB Assy. 1 1 1
1
C
1
1 1 1
1
Fig.2
D
E
F
GM-D1004/XEVUC
5 6 7 8
9
1 2 3 4
A
Bonding Position
1 GYL1006
1
B 1
1 1 1
C
1
1
1
D
1
1
1
1
1
E
F
GM-D1004/XEVUC
10
1 2 3 4
5 6 7 8
8. EACH SETTING AND ADJUSTMENT
There is not information to be shown in this chapter.
A
B
C
D
E
F
GM-D1004/XEVUC
5 6 7 8
11
1 2 3 4
9. EXPLODED VIEWS AND PARTS LIST
NOTES : Parts marked by " * " 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.
A
Therefore, when replacing, be sure to use parts of identical designation.
Screw 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.)
9.1 PACKING
B
C
D
E
F
GM-D1004/XEVUC
12
1 2 3 4
5 6 7 8
PACKING SECTION PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.
1 Bracket 4017216186000 7 Cushion 6230213844000
2 Owner's Manual(UC) 5707000009390 8 Sheet 6327210079000
A
Owner's Manual(EW5) 5707000009400 * 9 Polyethylene Bag 6337210282000
* 3 Warranty Card(UC) 5727000000580 * 10 Polyethylene Bag 6337210499000
* Warranty Card(EW5) 5727000000590 11 Screw B010440183B10
4 Sub Unit Box 6000212850000 12 Cord Assy(UC) L008102010020
5 Unit Box(UC) 6007212840010 Cord Assy(EW5) L008102010010
Unit Box(EW5) 6007212840000 13 Cord Assy(UC) L008102010050
6 Contain Box(UC) 6007212860010 Cord Assy(EW5) L008102010040
Contain Box(EW5) 6007212860000 14 Cord Assy L008102010070
B
Owner's Manual,Installation Manual
Part No. Language
5707000009390 English, French, Spanish(Espanol)
5707000009400 English, French, Italian, Spanish(Espanol), German, Dutch, Russian
C
D
E
F
GM-D1004/XEVUC
5 6 7 8
13
1 2 3 4
9.2 EXTERIOR
A
B
C
A
D
E
F
GM-D1004/XEVUC
14
1 2 3 4
5 6 7 8
EXTERIOR SECTION PARTS LIST
Mark No. Description Part No.
1 Cabinet 3007212106000
2 Screw(M2.6 x 8) B020026083P10 A
3 Sheet 1210212789100
4 Sheet 1210212789200
5 Screw(M2.6 x 5) B020926051B10
6 Heatsink 2127212328000
7 PCB Assy(UC) 7025CA1401020
PCB Assy(EW5) 7025CA1401030
8 Screw(M2.6 x 6) B020926063B10
B
C
D
E
F
GM-D1004/XEVUC
5 6 7 8
15
1 2 3 4
10. SCHEMATIC DIAGRAM
10.1 PCB ASSY
A Note: When ordering service parts, be sure to refer to " EXPLODED VIEWS AND PARTS LIST" or
"ELECTRICAL PARTS LIST".
Input buffer Isolator Gain Control Filter(LPF/HPF/OFF)
GAIN 0dB 0dB Hi : -20dB +5dB