Pioneer GM-X362 User manual

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 2001 K-ZZD. DEC. 2001 Printed in Japan
ORDER NO.
CRT2785
BRIDGEABLE POWER AMPLIFIER
GM-X362 XH/UC,XH/EW,XH/ES
Service
Manual
GM-X362/XH/UC
CONTENTS
1. SAFETY INFORMATION............................................2
2. EXPLODED VIEWS AND PARTS LIST ......................4
3. SCHEMATIC DIAGRAM.............................................8
4. PCB CONNECTION DIAGRAM................................10
5. ELECTRICAL PARTS LIST........................................14
6. ADJUSTMENT.........................................................16
7. GENERAL INFORMATION.......................................17
7.1 DISASSEMBLY ..................................................17
8. OPERATIONS AND SPECIFICATIONS....................18
GM-X262 XH/UC
For details, refer to "Important symbols for good services".

2
GM-X362,X262
[ 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:
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
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.
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.
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.
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.
1. SAFETY INFORMATION
-GM-X362/XH/UC, GM-X262/XH/UC
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.
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

3
GM-X362,X262

4
GM-X362,X262
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING

5
GM-X362,X262
-Owner's Manual
Model Part No. Language
GM-X362/XH/UC HZR0001 English, French
GM-X262/XH/UC
GM-X362/XH/EW HZR0002 English, Spanish, German,
French, Italian, Dutch
GM-X362/XH/ES HZR0003 English, Spanish
HZR0004 Portuguese(B), Arabic
1-1 Owner’s Manual See Contrast table(2)
1-2 Owner’s Manual See Contrast table(2)
* 1-3 Card See Contrast table(2)
* 1-4 Warranty Card See Contrast table(2)
2 Screw BYC40P180FZK
3 Polyethylene Bag HZE0002
4 Polyethylene Bag HZE0003
5 Carton See Contrast table(2)
6 Contain Box See Contrast table(2)
7 Protector HZH0003
8 Cord Assy HZD0001
9 Cover HZN0011
10 Screw Assy HZE0001
Mark No. Description Part No. Mark No. Description Part No.
(1) PACKING SECTION PARTS LIST
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.)
Part No.
Mark No. Description GM-X362/XH/UC GM-X262/XH/UC GM-X362/XH/EW GM-X362/XH/ES
1-1 Owner’s Manual HZR0001 HZR0001 HZR0002 HZR0003
1-2 Owner’s Manual Not used Not used Not used HZR0004
* 1-3 Card HZR0006 HZR0006 Not used Not used
* 1-4 Warranty Card Not used Not used HZR0007 Not used
5 Carton HZH0001 HZH0004 HZH0001 HZH0001
6 Contain Box HZH0002 HZH0005 HZH0002 HZH0002
(2) CONTRAST TABLE
GM-X362/XH/UC, GM-X262/XH/UC, GM-X362/XH/EW, and GM-X362/XH/ES are constructed the same
except for the following:

6
GM-X362,X262
2.2 EXTERIOR
A

7
GM-X362,X262
(1) EXTERIOR SECTION PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.
1 Screw BBZ30P050FMC
2 Screw BBZ30P060FZK
3 Screw BBZ30P080FMC
4 Screw BSZ30P050FZK
5 Screw(M3x12) HZB0001
6 Screw(M3x5) HZB0002
7 Screw(M3x8) HZB0003
8 •••••
9 Case HZN0007
10 Panel See Contrast table(2)
11 Panel See Contrast table(2)
12 Holder HZN0008
13 Heat Sink See Contrast table(2)
14 Cover HZN0011
15 Spacer HZN0012
16 Amp Unit See Contrast table(2)
17 Terminal(CN903) HZK0001
18 Fuse(20A) HZE0005
19 Pin Jack(CN801) HZK0002
20 Terminal(CN901) HZK0003
21 Terminal(CN905) HZK0004
22 Terminal(CN906) HZK0004
23 Connector(CN904) HZK0005
24 Holder HZN0009
25 •••••
26 Lighting Conductor Unit HZX0001
27 Screw PPZ30P120FZK
28 Sheet HZN0016
29 Spacer HZN0017
30 Screw PBA30P120FMC
31 Washer WH30FZN
32 Screw PPZ30P100FZK
33 Screw BBZ30P100FMC
Part No.
Mark No. Description GM-X362/XH/UC GM-X262/XH/UC GM-X362/XH/EW GM-X362/XH/ES
10 Panel HZN0001 HZN0002 HZN0001 HZN0001
11 Panel HZN0003 HZN0004 HZN0003 HZN0003
13 Heat Sink HZN0005 HZN0006 HZN0005 HZN0005
16 Amp Unit HZW0001 HZW0004 HZW0002 HZW0003
(2) CONTRAST TABLE
GM-X362/XH/UC, GM-X262/XH/UC, GM-X362/XH/EW, and GM-X362/XH/ES are constructed the same
except for the following:

L+ R+
L- R-
B
LPF
GAIN
AMP UNIT
LP FILTER
80Hz - 12dB/OCT
ISOLATOR
GAIN = 1
(EW,ES m
REGULATOR
DC/DC CONVERTER
HZS0001
HZS0001
HZC0004
Decimal points for resistor
and capacitor fixed values
are expressed as :
2.2 2R2
0.022 R022
←
←
Symbol indicates a resistor.
No differentiation is made between chip resistors and
discrete resistors.
NOTE :
Symbol indicates a capacitor.
No differentiation is made between chip capacitors and
discrete capacitors.
A
8
GM-X362,X262
A
1234
B
C
D
1234
3. SCHEMATIC DIAGRAM
3.1 AMP UNIT
Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS
LIST”.
A

BFC
GAIN
AMP GAIN = 5 - 31dB
50µH
(EW,ES model)
HZS0003
HZE0005
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.
>
9
GM-X362,X262
5678
A
B
C
D
5678
A

10
GM-X362,X262
A
1234
B
C
D
1234
AMP UNIT
4. PCB CONNECTION DIAGRAM
4.1 AMP UNIT
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
Capacitor
Connector
P.C.Board Chip Part
SIDE A
SIDE B
A
FUSE
SPEAKER
INPUT
A