PIONEER GE-2037 Service 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-ZZA. JUNE 2003 Printed in Japan

ORDER NO.

CRT3104

RECEIVER ASSY RADIO

GE-2037ZFXU/UC

FORD

GE-2037ZF/XU/UC

VEHICLE DESTINATION PRODUCED AFTER FORD PART No. ID No. PIONEER MODEL No.

Ranger U.S.A., CANADA August 2003 4L5T-18K810- GE-2037ZF/XU/UC

For details, refer to "Important symbols for good services".

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SAFETY INFORMATION

[ 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:

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

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.

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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GE-2037ZF/XU/UC

CONTENTS

SAFETY INFORMATION......................................................................................................................................................2

1. SPECIFICATIONS .................................................................................................................................................................4

2. EXPLODED VIEWS AND PARTS LIST ................................................................................................................................5

2.1 PACKING..........................................................................................................................................................................5

2.2 EXTERIOR........................................................................................................................................................................6

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM...............................................................................................................8

3.1 BLOCK DIAGRAM ...........................................................................................................................................................8

3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE) ...................................................................................................10

3.3 KEYBOARD UNIT ..........................................................................................................................................................16

4. PCB CONNECTION DIAGRAM..........................................................................................................................................18

4.1 TUNER AMP UNIT ........................................................................................................................................................18

4.2 KEYBOARD UNIT ..........................................................................................................................................................22

5. ELECTRICAL PARTS LIST..................................................................................................................................................24

6. ADJUSTMENT ...................................................................................................................................................................27

6.1 FREQUENCY CHECK FOR CLOCK ...............................................................................................................................27

7. GENERAL INFORMATION.................................................................................................................................................28

7.1 DIAGNOSIS ...................................................................................................................................................................28

7.1.1 DISASSEMBLY .......................................................................................................................................................28

7.1.2 CONNECTOR FUNCTION DESCRIPTION .............................................................................................................30

7.2 PARTS ............................................................................................................................................................................31

7.2.1 IC .............................................................................................................................................................................31

7.2.2 DISPLAY..................................................................................................................................................................34

7.3 OPERATIONAL FLOW CHART......................................................................................................................................35

8. OPERATIONS .....................................................................................................................................................................36

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1. SPECIFICATIONS

General

Power source ..............................................................................14.4V(10.5V-16.0V allowable) DC

Grounding system ......................................................................Negative type

Backup current ............................................................................3mA or less

Dimensions (Chassis) ...............................................................180(W) x90(H) x166(D)mm

(Grille) ...................................................................188(W) x100(H) x23(D)mm

Weight .........................................................................................1.25kg

FM tuner

Frequency....................................................................................87.75, 87.9-107.9 MHz

S/N ...............................................................................................58dB or more

Distortion.....................................................................................1.5% or less

IF interference .............................................................................95dB or more

Image interference......................................................................45dB or more

Stereo Separation.......................................................................25dB or more(400Hz)

AM tuner

Frequency....................................................................................530-1710 kHz

S/N 20dB useable sensibility .....................................................33dBµ 6dB

S/N ...............................................................................................50dB +10dB, -6dB

Distortion.....................................................................................2.0% or less

IF interference .............................................................................75dB or more

Image interference......................................................................60dB or more

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2. EXPLODED VIEWS AND PARTS LIST

2.1 PACKING

* 1 Polyethylene Bag CEG1317

2 Contain Box CHL4768
3 Protector CHP2619
4 Protector CHP2620
5 Protector CHP2621

6 Protector CHP2622
7 Protector CHP2717

Mark No. Description Part No. Mark No. Description Part No.

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.)

- PACKING SECTION PARTS LIST

GE-2037ZF/XU/UC

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2.2 EXTERIOR

1 Screw ASZ26P100FTC
2 Screw BSZ26P060FTC
3 Case CNB2733
4 Holder CNC9806
5 Sheet CNM8581

6 Tuner Amp Unit CWM8232
7 Screw ASZ26P100FTC
8 Screw BSZ26P100FTC
9 Plug(CN901) CKM1372

10 Plug(CN802) CKS3537

11 Plug(CN801) CKS3538
12 Holder CNC9801
13 Holder CNC9802
14 Holder CNC9803
15 Heat Sink CNC9804

16 Heat Sink CNC9805
17 FM/AM Tuner Unit CWE1561
18 Holder CNC8855
19 Antenna Jack(CN401) HKX1054
20 Terminal(CN402) VNF1084

21 Terminal(CN403) VNF1084
22 Screw BPZ26P100FTC
23 Rubber CNV7759
24 Keyboard Unit CWM8233
25 LCD(LCD801) CAW1683

26 Socket(CN803) CKS3550
27 Socket(CN804) CKS3551
28 Holder CNC9807

* 29 Housing CNV7056

30 Connector CNV7604

31 Lighting Conductor CNV7935
32 Knob Unit(VOL, PUSH) CXB8558
33 Grille Unit CXC2287
34 Button(AM, FM, CLK) CAC7499
35 Button({ SEEK }) CAC7500

36 Button(AUDIO) CAC7501
37 Button({) CAC7502
38 Button(1, 3, 5) CAC7503
39 Button(2, 4, 6) CAC7504
40 Button(}) CAC7686

41 Housing CNV7058
42 Chassis Unit CXB8522
43 Rail Guide HNV6756
44 Screw ISS26P055FTC
45 Nut NF50FTC

46

Transistor(Q923, 951, 961) 2SB942

47 IC(IC301) PAL001A

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Mark No. Description Part No. Mark No. Description Part No.

- EXTERIOR SECTION PARTS LIST

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41

MUTE

XOUT

XIN

SYSTEM CONTROL

IC 601(2/2)

PD5757A

CN401

VDD

VCC

ANTENNA

JACK

1

2

10

X601

12

EVS

65

lcdpw

ILMOUT

3

BLPWR

2

Lch

Q401

LOCL

PDIO

A

TUNER AMP UNIT

FM/AM TUNER UNIT

Q

B.UP

ILMPW

BLPWR

Q961

Q962

B.UP

Q964

53

LOTIN0

52

LOTIN1

42

pwrkey

17

LOTINT

A

SCLKO

SCLKIN

8

X602

7

Q963

clkky

71

Q952

lcdpw

IC 3

EEPROM

28

27

FM/AM 1ST IF 10.7MHz

T51 Q51 CF51

CF52 CF53

IC1

MIXER, IF AMP, DET.

6

21

18

LDET

COMP

222510 14 12 15 16 8 13 2 3 4

CF202

VDD

VCC

DI/DO

CE2CKCE1

SDBWSLFMSD

NL1

NL2

IC 2 FM MPX

AMANT

FMANT

ATT

ATT

AMRF

FMRF

IMG ADJ

RF ADJ

X901

10.25MHz

ANT ADJ

LOCL

23

LOCH

AMDET

MPXREF 41kHz

AM 2ND IF

450kHz

19

CREQ

11

DGND

1

STIND

L ch

5

R ch

924

AMDET

FMLOCL

20

177

AMPNS

WC

26

RFGND

AMIN

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3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

9

18

916

SYSPWR

VDD

B.UP

VDD REGULATOR

Q911

9

1

bsens

asens

VDD

LOCL

18

15

SD

SL

PLLCE

pck

pllce@

PDO

10

F Lch

41

MUTE

ILL+B

ACC

34

35

76

LIN1-L

2

31

30

33

28

SYSTEM CONTROL

RESET

IC 601(1/2)

PD5757A

IC 101

PML010A

S-80843CNUA-B84

reset

Q651

VDD

8

2

CN801

2

Q656

EVST,EDT,ECLK

TUN L

FL+
FL-

CN901

ILMI

74

A SENSE

PDI

29

PDIO

syspw

40

Q923

Q924

B.UP

SYSPW

VCC

Q951

Q953

BL+B

Q672

Q671

IC 676

VDD

7

B.UP

B SENSE

ILMIN

15

14

FL+

FL-

IN2

10

4,5

12

POWER AMP

E-VOL

IC 301

PAL001A

STBY

MUTE

B.UP

3,13

SYSPW

Q921

Q922

VCC REGULATOR

Q676

VDD

RUN/ACC

Q661

ilmint

16

PWMIN

5

Q931

SWD5V

SYSPW

Q302Q301

MUTE

11

10

ROTIN1

ROTIN0

53

LOTIN0

52

LOTIN1

42

pwrkey

TC7S86F

IC 871

2

1

4

17

LOTINT

kdt)-kdt#,kst)-kst#

LCDCL,LCDDT,LCDST

B.UP

BACKUP

ILL+

RUN/ACC

st

36

START

Q681

START

START

Q901

B.UP

HARD MUTE

PWM

4

CN802

16

3

9

10

power

clkky

RUN/ACC

Q952

ILM

SWVDD

IC 801

LC75822W

LCD DRIVER

KEY MATRIX

7

8

VDD

56

CN804

KEYBOARD UNIT

LCD

B

2

BL+B

ILLUMINATION

VR851

2

1

10

11

ROTIN1

ROTIN0

ROTIN1

ROTIN0

LCD BACKLIGHT

4

5

VOLUME/POWER

kd)-kd#,ks)-ks#

CL,DT,CE

CN803

16

ROWER

3

CLOCK

CLKKY

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10

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GE-2037ZF/XU/UC

10

A-a A-b

A-a

A-b

A-b

A-a

Large size

SCH diagram

Guide page

Detailed page

Note: When ordering service parts, be sure to refer to " EXPLODED VIEWS AND PARTS LIST" or
"ELECTRICAL PARTS LIST".

A-a

A

FM/AM TUNER UNIT

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3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)

11

A-b

A

16.000MHz 32.768Hz

SYSTEM CONTROLLER

RESET

E-VOL

POWER AMP

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.

B

A

TUNER AMP UNIT

CN804

B

CN803

FM : 23.4dBs(100%, 1kHz)
AM : 14.1dBs(30%, 1kHz)

FM : -8.6dBs(100%, 1kHz)
AM : -17.9dBs(30%, 1kHz)

FM : -20.7dBs(100%, 1kHz)
AM : -30dBs(30%, 1kHz)

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