Pioneer gM-2037ZF 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 2003 K-ZZB. JUNE 2003 Printed in Japan
ORDER NO.
CRT3066
SUB-WOOFER AMPLIFIER
GM-2037ZFX1R/UC
Service
Manual
GM-2037ZF/X1R/UC
For details, refer to "Important symbols for good services".
VEHICLE DESTINATION PRODUCED AFTER FORD PART No. ID No. PIONEER MODEL No.
RANGER North America August 2003 4L5T-18C808-AB GM-2037ZF/X1R/UC

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[ 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.
SAFETY INFORMATION
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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CONTENTS
SAFETY INFORMATION............................................2
1. SPECIFICATIONS .......................................................3
2. EXPLODED VIEWS AND PARTS LIST ......................4
2.1 EXTERIOR............................................................4
3. SCHEMATIC DIAGRAM.............................................6
3.1 OVERALL CONNECTION DIAGRAM..................6
4. PCB CONNECTION DIAGRAM..................................8
4.1 MOTHER UNIT ....................................................8
5. ELECTRICAL PARTS LIST........................................10
6. ADJUSTMENT.........................................................11
7. GENERAL INFORMATION.......................................11
7.1 DIAGNOSIS .......................................................11
7.1.1 DISASSEMBLY.........................................11
7.1.2 CONNECTOR FUNCTION DESCRIPTION ......12
7.2 IC ........................................................................13
8. OPERATIONS ...........................................................13
1. SPECIFICATIONS
Power source . . . . . . . . . . . . .14.4±0.2V(10.6-16.0V)
Grounding . . . . . . . . . . . . . . . .Negative type
Backup current . . . . . . . . . . . .0.5mA or less
Dimensions . . . . . . . . . . . . . . .164mm(W)x44mm(H)x117mm(D)
Weight . . . . . . . . . . . . . . . . . . .476g
Rated power . . . . . . . . . . . . . .35W or less (1.5Ω, f=100Hz, THD+N=2%, 80kHz LPF)
Residual noise . . . . . . . . . . . . .0.5mV or more (Rg=1k ohm IHF-A)
Output offset voltage . . . . . . .0±100mV or less (Output + - both terminal voltage)

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2. EXPLODED VIEWS AND PARTS LIST
2.1 EXTERIOR
5
3
3
3
11
4
10
612
2
8
4
4
1
7
9
13
14
14
14
14 14
A

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1 Screw BMZ26P200FMC
2 Chassis HNA0003
3 Screw IMS30P050FMC
4 Screw PPZ40P080SAD
5 Case HNB0139
6 Holder HNC0088
7 Shield HNC0127
8 Heat Sink HNR0186
9 Mother Unit HWM0083
10 Connector(CN101) HKE0038
11 Connector(CN102) HKE0039
12 IC(IC200) PAL006A
13 Cushion HNM0145
14 Cushion HNM6623
Mark No. Description Part No.
-EXTERIOR 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.)

3. SCHEMATIC DIAGRAM
3.1 OVERALL CONNECTION DIAGRAM
A
GAIN:-2.3dB
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B
A
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A
AMOTHER UNIT
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.
GAIN:+26dB
GAIN:+23.7dB

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4. PCB CONNECTION DIAGRAM
4.1 MOTHER UNIT
A
AMOTHER UNIT SIDE A
1
2
3
4
5
6
10 987
65
4
32
1

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A
AMOTHER UNIT SIDE B
1
1

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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.....
=====Circuit Symbol and No.===Part Name Part No.
--- ------ ------------------------------------------ ------------------------- =====Circuit Symbol and No.===Part Name Part No.
--- ------ ------------------------------------------ -------------------------
AUnit Number : HWM0083
Unit Name : Mother Unit
MISCELLANEOUS
IC 100 IC NJM2068M
IC 200 IC PAL006A
IC 300 IC TA8194Z
IC 600 IC NJM2904M
Q 300 Transistor 2SB1238
Q 301 Transistor 2SC2458
Q 400 Transistor 2SD1859
Q 401 Transistor DTA114EK
Q 402 Transistor 2SC2412K
Q 403 Transistor 2SA1576
Q 500 Transistor DTC124EK
Q 600 Transistor 2SB1238
Q 601 Transistor DTC114EU
D 300 Diode RM4Z-LFJ4
D 301 Diode 1SS133
D 303 Diode MTZJ6R8(C)
D 304 Diode ERA15-02VH
D 305 Diode ERA15-02VH
D 400 Diode MTZJ9R1(C)
D 402 Diode MTZJ4R3(C)
D 600 Diode DAN202U
D 601 Diode DAN202U
L 300 Choke Coil 600µH CTH1171
RESISTORS
R 100 RD1/4PU432J
R 101 RD1/4PU432J
R 102 RS1/16S332J
R 103 RS1/16S332J
R 300 RS1/16S103J
R 301 RS1/16S472J
R 302 RD1/4PU472J
R 303 RS1/16S332J
R 307 RD1/4PU102J
R 400 RS1/16S222J
R 401 RS1/16S102J
R 402 RS1/16S103J
R 403 RS1/16S103J
R 404 RS1/16S103J
R 405 RS1/16S103J
R 406 RS1/16S101J
R 407 RS1/16S103J
R 408 RS1/16S103J
R 500 RS1/16S103J
R 501 RS1/16S331J
R 502 RS1/16S103J
R 600 RS1/16S473J
R 601 RS1/16S472J
R 602 RS1/16S473J
R 603 RS1/16S472J
R 604 RS1/16S184J
R 605 RS1/16S184J
R 606 RS1/16S103J
R 607 RS1/16S103J
R 608 RS1/16S472J
R 609 RS1/16S472J
CAPACITORS
C 100 CEJQ100M16
C 101 CEJQ100M16
C 102 CCSRCH471J50
C 103 CCSRCH471J50
C 104 CKSRYB103K50
C 105 CKSRYB102K50
C 106 CKSRYB102K50
C 200 CFTNA224J50
C 201 CFTNA224J50
C 202 CEJQ100M16
C 203 CFTLA105J50
C 205 CKSRYB104K25
C 206 CCSRCH101J50
C 207 CCSRCH101J50
C 208 CCSRCH101J50
C 209 CCSRCH101J50
C 210 CFTNA224J50
C 211 CFTNA224J50
C 300 4700µF/16V HCH0009
C 301 CKCYF103Z50
C 302 CKCYF103Z50
C 305 CEJQ3R3M50
C 306 CEJQ101M16
C 400 CEJQ330M16
C 401 CKSRYB473K50
C 402 CEJQ221M10
C 403 CKSRYB103K50
C 405 CKSRYB103K50
C 406 CEJQ101M6R3
C 407 CEJQ1R0M50
C 500 CEJQ220M16

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6. ADJUSTMENT
There is no information to be shown in this chapter.
7. GENERAL INFORMATION
7.1 DIAGNOSIS
7.1.1 DISASSEMBLY
1
1
2
- Removing the Mother Unit (Fig.1)
Remove the four screws and then
remove the Heat Sink.
Remove the three screws and then
remove the Mother Unit.
Fig.1
Heat Sink
Mother Unit
1. Remove the Case.
- Removing the Case (not shown)
1
1
1
2
2
2

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7.1.2 CONNECTOR FUNCTION DESCRIPTION
123 456
78910
12 34
56
1. AMP ENABLE
2. GND
3. GND
4. +B
5. +B
6. NC
7. AUDIO IN +
8. AUDIO IN -
9. NC
10. NC
1. OUT1 +
2. OUT1 -
3. OUT2 +
4. OUT2 -
5. OUT1 +
6. OUT2 +

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7.2 IC
8. OPERATIONS
There is no information to be shown in this chapter.
132
A OUT
A -IN
A +IN
V- B +IN
B -IN
B OUT
V+
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+
+
NJM2068M