Pioneer DEH-2237ZF X1R/UC 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-ZZD. JUNE 2003 Printed in Japan
ORDER NO.
CRT3094
DISC PLAYER WITH AMPLIFIER
DEH-2237ZFX1R/UC
Service
Manual
FORD
DEH-2237ZF/X1R/UC
For details, refer to "Important symbols for good services".
VEHICLE DESTINATION PRODUCED AFTER FORD PART No. ID No. PIONEER MODEL No.
Ranger U.S.A., CANADA August 2003 FS-4L5T-18C868-AE DEH-2237ZF/X1R/UC
-This service manual should be used together with the following manual(s):
Model No. Order No. Mech. Module Remarks
CX-977 CRT2624 S9 CD Mech. Module:Circuit Description, Mech.Description, Disassembly

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DEH-2237ZF/X1R/UC
SAFETY INFORMATION
-CD section precaution
1. Before disassembling the unit, be sure to turn off the
power. Unplugging and plugging the connectors dur-
ing power-on mode may damage the ICs inside the
unit.
2. To protect the pickup unit from electrostatic dis-
charge during servicing, take an appropriate treat-
ment (shorting-solder) by referring to “the DISAS-
SEMBLY” on page 46.
3. After replacing the pickup unit, be sure to check the
grating. (See p.40.)
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.
[ 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.

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DEH-2237ZF/X1R/UC
CONTENTS
SAFETY INFORMATION......................................................................................................................................................2
1. SPECIFICATIONS .................................................................................................................................................................4
2. EXPLODED VIEWS AND PARTS LIST ................................................................................................................................6
2.1 EXTERIOR........................................................................................................................................................................6
2.2 CD MECHANISM MODULE............................................................................................................................................8
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM.............................................................................................................10
3.1 BLOCK DIAGRAM .........................................................................................................................................................10
3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE) ...................................................................................................12
3.3 KEYBOARD UNIT ..........................................................................................................................................................18
3.4 CD MECHANISM MODULE..........................................................................................................................................20
4. PCB CONNECTION DIAGRAM..........................................................................................................................................24
4.1 MOTHER UNIT ..............................................................................................................................................................24
4.2 KEYBOARD UNIT ..........................................................................................................................................................28
4.3 CD MECHANISM MODULE..........................................................................................................................................30
5. ELECTRICAL PARTS LIST..................................................................................................................................................32
6. ADJUSTMENT...................................................................................................................................................................38
6.1 CD ADJUSTMENT ........................................................................................................................................................38
6.2 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT...........................................................................40
6.3 CD TEST MODE.............................................................................................................................................................42
7. GENERAL INFORMATION.................................................................................................................................................46
7.1 DIAGNOSIS ...................................................................................................................................................................46
7.1.1 DISASSEMBLY .......................................................................................................................................................46
7.1.2 CONNECTOR FUNCTION DESCRIPTION .............................................................................................................51
7.2 PARTS ............................................................................................................................................................................52
7.2.1 IC .............................................................................................................................................................................52
7.2.2 DISPLAY..................................................................................................................................................................56
7.3 OPERATIONAL FLOW CHART......................................................................................................................................57
7.4 CLEANING .....................................................................................................................................................................58
8. OPERATIONS .....................................................................................................................................................................58

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1. SPECIFICATIONS
General
Power source ..............................................................................14.4V DC(10.5V-16.0V allowable)
Grounding system......................................................................Negative type
Backup current............................................................................3mA or less
Dimensions .................................................................................188(W) x100(H) x187(D)mm
Weight .........................................................................................2.0kg
CD player
System.........................................................................................Compact disc audio system
Usable discs ................................................................................Compact disc
Signal format ..............................................................................Sampling frequency : 44.1kHz
Number of quantization bits: 16;linear
S/N ...............................................................................................70dB or more
Distortion.....................................................................................0.1% or less
FM tuner
Frequency....................................................................................87.75, 87.9-107.9 MHz
S/N ...............................................................................................58dB or more
Distortion.....................................................................................1.0% 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 +4dB, -5dB
S/N ...............................................................................................50dB +10dB, -6dB
Distortion.....................................................................................1.5% or less
IF interference .............................................................................75dB or more
Image interference......................................................................60dB or more

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DEH-2237ZF/X1R/UC 5

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2. EXPLODED VIEWS AND PARTS LIST
2.1 EXTERIOR
A
B

1 Screw BMZ26P200FMC
2 Screw BSZ26P060FMC
3 Screw BSZ26P080FZK
4CD Mechanism Module(S9V) CXK5525
5•••••
6 Connector HDE0043
7 Chassis HNA0012
8 Case HNB0166
9 Holder HNC0121
10 Insulator HNM0092
11 Seal HNM0115
12 Insulator HNM0116
* 13 Insulator HNM5230
14 Heat Sink HNR0242
15 Holder HNV0048
16 Rail Guide HNV6756
17 Mother Unit HWM0086
18 Screw ASZ26P080FMC
19 FM/AM Tuner Unit CWE1561
20 Holder CNC8855
21 Terminal(CN401,402) CKF1059
22 IC(IC201) TDA7384
* 23 Connector(CN607) CKS2251
24 •••••
25 Connector(CN604) CKS4575
26 Cushion CNM6825
27 Plug(CN601) HKM1372
28 Antenna Jack(CN602) HKX1054
29 Holder HNC0119
30 Holder HNC0120
31 Holder HNC0125
32 Chassis Unit HXA0379
33 Screw BPZ26P080FMC
34 Cover HNM7654
35 Rubber HNV7063
36 Keyboard Unit HWM0087
37 LCD(LCD904) CAW1822
38 Connector(CN901) CKS4576
39 Lighting Conductor CNV7936
40 Holder HNC9816
41 Sheet HNM0103
42 Connector HNV0049
43 Connector HNV0050
44 Housing HNV7069
45 Knob Assy HXA0385
46 Grille Unit HXA0420
47 Screw IMS20P040FZK
48 Screw IMS26P040FMC
49 Screw ISS26P055FUC
50 Nut NF50FMC
51 Transistor(Q824) KSA1220
52 Transistor(Q700) KSD1273
53 Transistor(Q821) 2SB942A
54 Transistor(Q805) KSB1366
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DEH-2237ZF/X1R/UC
Mark No. Description Part No. 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.)

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DEH-2237ZF/X1R/UC
GEM1035
GEM1035
GEM1040
2.2 CD MECHANISM MODULE
C

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Mark No. Description Part No. Mark No. Description Part No.
1 CD Control Unit CWX2701
2 Connector(CN701) CKS1959
3 Connector(CN101) CKS3486
4 Screw BMZ20P025FTC
5 Screw BSZ20P040FTC
6 Screw(M2x4) CBA1362
7 Screw(M2x3) CBA1527
8 Screw CBA1545
9 Washer CBF1037
10 Washer CBF1038
11 Washer CBF1039
12 Washer CBF1060
13 Spring CBH2378
14 Spring CBH2379
15 Spring CBH2514
16 Spring CBH2533
17 Spring CBH2382
18 Spring CBH2383
19 Spring CBH2384
20 Spring CBH2527
21 Spring CBH2386
22 Spring CBH2537
23 Spring CBH2390
24 Spring CBH2391
25 Spring CBH2523
26 Spring CBH2426
27 Spring CBH2444
28 Spring CBL1561
29 Spring CBL1553
30 Shaft CLA3845
31 Roller CLA3910
32 Frame CNC9654
33 Lever CNC9664
34 Lever CNC8949
35 Arm CNC9661
36 Arm CNC9016
37 Arm CNC9017
38 Bracket CNC9123
39 Frame CNC8947
40 Belt CNT1086
41 Gear CNV6886
42 Gear CNV6316
43 Gear CNV6317
44 Gear CNV6318
45 Gear CNV6319
46 Gear CNV6320
47 Arm CNV6322
48 Arm CNV6323
49 Arm CNV6324
50 Arm CNV6888
51 Arm CNV6889
52 Guide CNV6327
53 Arm CNV6924
54 Guide CNV6921
55 Rack CNV6923
56 Clamper CNV6331
57 Arm CNV6332
58 Guide CNV6333
59 Cover CNV6334
60 Arm CNV6335
61 Guide CNV6336
62 Roller CNV6338
63 Damper CNV6175
64 Damper CNV6662
65 Guide CNV6925
66 Chassis Unit CXB7980
* 67 Arm Unit CXB7983
68 Arm Unit CXB7984
69 Arm Unit CXB7985
70 Motor Unit(M2) CXB5903
71 Screw Unit CXB5904
72 Gear Unit CXB8076
73 Bracket Unit CXB7982
74 Motor Unit(M1) CXB6007
75 Arm Unit CXB8504
76 Screw(M2x5) EBA1028
77 Screw JFZ20P020FTC
78 Screw JGZ17P020FZK
79 Washer YE15FTC
80 Washer YE20FTC
81 Pickup Unit(Service)(P9) CXX1481
82 Screw IMS26P030FTC
83 Guide CNV6922
84 Roller CNV6887
85 Spring CBH2509
86 Spring CBH2512
87 Spring CBH2536
88 Collar CNV6906
89 Damper CNV6863
-CD MECHANISM MODULE SECTION PARTS LIST

10
CN701
CN101 Q101
M
LASER
DIODE
MONITOR
DIODE
CLAMP
X301
12EJ 8EJ DSCSNS
FOCUS ACT.
SPINDLE
MOTOR
M
CARRIAGE
MOTOR
LOADING/
TRACKING ACT.
LD-
MD
FOP
TOP
15
5
4
1
PICKUP UNIT
(SERVICE)(S9)
HOLOGRAM
UNIT
IC 401
BA5996FM IC 201
TC9495F2
IC 701
BA05SFP
5V REGULATOR
SERVO
CONTROL,
DSP,
LPF, DAC
ACT,MOTOR
DRIVER
2
VD
VD
V5
15
CLCONT
16
HOME
10
LOEJ
17
DSCSNS
14
LOUT
TOP
FOP
16 SOP
15 SOM
18 LCOM
17 LCOP 22
2
LOEJ
79
85
LO
XI
XO
78
21
CLCONT
12 FOP FD, TD, SD, MD
AC, F, E, BD
38 RFI
43 FEI
4
14 TOP
CD CONTROL UNIT
C
HOME
XRST,XCE,XPCK,
XPI0-XPI3
9LDO
8MDI 16
24
RFRPIN
FEO
IC 101
TA2153FN
46 TEI
14
TEO
14
LD+ V5
1
1
CD5VON
71
FMUTE
XOUT
XIN
SYSTEM CONTROLLER
IC 601(2/2)
PD5756A
CN602
VDD
SYS+B
ANTENNA
JACK
1
2
CN607
13
X601 15
EC
TU
44
SWVDD
ILMOUT
4
BLPWR
3
Lch
Q401
LOCL
PDIO
FM/AM TUNER UNIT
2
14
Q8
Q822
B.UP
ILMOUT
BLPWR
VD REGULATOR
VD
VDCONT
B.UP Q827
76
LOTIN0
77
LOTIN1
73
wakeup
4
20
rotint
kdt)-kdt
LCDCE,lcdinh,
AMOTHER UNIT
SUBCLKO
SUBCLKI
11
X602 10
B.UP
Q701
Q700
Q702
SWVDD
XRST,XCE,XPCK,X0-X3
LOEJ
84
CLCNT
78
DSCSNC
91
HOME
90
16
17
15
10
VDCNT
97
CD5V
80
1
LOUT
CLCNT
HOME
LOEJ
DSCSNS
CD5V
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
22
25 10 14 12 15 16 8 13 2 3 4
CF202
VDD
VCC
DI/DO CE2 CK CE1 SDBW SL FMSD 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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DEH-2237ZF/X1R/UC
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM

11
SYSPWR
VDD B.UP
Q873
VDD REGULATOR
Q808
12
1
bsens
asens
VDD
LOCL
21
27
SD
SL
PLLCE
pck
pllce@
PDO
11
RL
10
FL
71
FMUTE
ILL+B
ACC
48
18
97
LIN1-L
2
LIN3-L
4
46
2
49
1
SYSTEM CONTROLLER
RESET
IC 601(1/2)
PD5756A
LER
IC 101
PML010A
S-80842CNDYI
reset
Q840
VDD
21
1
CN604
2
Q841
ECLK,EDT,evce
TUNER L
CD L
RL+
FL+
RL-
FL-
CN601
ILMI 95 A SENSE
PDI
100
PDIO
syspwr 70
Q805
Q806
B.UP
SYSPW
SYS+B
Q821
Q822
T
WR
BL+B
Q870
Q871
IC 801
VDD
2
B.UP
B SENSE
ILMIN
RESET
NJM2068V
IC302
57
NJM2068V
IC301
579
7
17
19
FL+
FL-
RL+
RL-
FLIN
11
RLIN
15
22 4
POWER AMP
IC 201
TDA7384
STBYMUTE
B.UP
6,20
SYSPW
Q804
Q807
SYS+B REGULATOR
Q691
VDD
Q824
Q825
PQ827
ACC
Q872
ilmint 19
PWMIN 6
Q810
SWVDD
SYSPW
Q202Q201
HARDMUTE
FMUTE
27
19
18
ROTIN1
ROTIN0
WAKEUP
76
LOTIN0
77
LOTIN1
73
wakeup
TC7S86F
IC 603
1
2
4
20
rotint
kdt)-kdt$,kst)-kst%
LCDCE,lcdinh,LCDCLK,LCDDT
B.UP
BACKUP
ILL+
IC203
12
NJM2904V
IC202
12
NJM2904V
Q231
RLP
FLP
clipin 65
SWVDD
SWVDD
st
47
DIAGNOSTICS
IC 604
BR9010FV-W
PDO,PDI,PCK
Q321 Q323 Q325 Q327
6
FIX EQUALIZER
Q874
Q809
Q823
Q826
Q852
HARDMUTE
SYS+B
Q850
Q851
D
Q692
ELECTRONIC VOLUME/
SOURCE SELECTOR
Q329
START
epce,wc
18
916
3
ILL+B
SWDVDD
IC 901
LC75813E
LCD DRIVER
KEY MATRIX
2
21
VDD
93
CN901 KEYBOARD UNIT
LCD 904
B
1BL+B
ILLUMINATION
VR901
2
1
18
19 ROTIN1
ROTIN0
ROTIN1
ROTIN0
LCD BACKLIGHT
4
5
VOLUME/POWER
Q906 Q901
VDD
KST5
Q902
KST5
CLK
Q904
KST5
CD EJECT
KD3
KD2
KD0
WAKEUP
27 WAKEUP
kdt)-kdt$,kst)-kst%
LCDCE,lcdinh,LCDCLK,LCDDT
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DEH-2237ZF/X1R/UC

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
BCN901
CCN701
SYSTEM CONTROLLER
ELECTRONIC VOLUME
SOURCE SELECTOR
FM:-25.0dBs(100%,400Hz,MONO)
AM:-25.0dBs(30% Mod.,400Hz,MONO)
CD:+1.10dBs(1kHz,0dB)
FM:-35.47dBs
AM:-35.47dBs
CD: -1.97dBs
12
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DEH-2237ZF/X1R/UC
3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)

A-b
A-a A-b
A-a A-b
A-b
A-a
A
NC(PTA)
NC(PHONE INPUT +)
NC(PHONE INPUT -)
NC(PHONE SHIELD)
NC(PTA)
NC(PHONE INPUT +)
NC(PHONE INPUT -)
NC(PHONE SHIELD)
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.
AMOTHER UNIT
OLLER
TRONIC VOLUME/
URCE SELECTOR FM:-21.37dBs
AM:-20.37dBs
CD: -2.87dBs
FM: +4.63dBs
AM: +5.63dBs
CD:+23.13dBs
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DEH-2237ZF/X1R/UC

A-a A-b A-a
A-a
A-b 123
FM/AM TUNER UNIT
SYSTEM CONTROLLER
ELECTRONIC VOLUME/
SOURCE SELECTOR
FM:-25.0dBs(100%,400Hz,MONO) AM:-25.0dBs(30% Mod.,400Hz,MONO)
FM:-35.47dBs
AM:-35.47dBs
CD: -1.97dBs
FM:-21.37dBs
AM:-20.37dBs
CD: -2.87dBs
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DEH-2237ZF/X1R/UC

A-a A-b A-a
A-a
A-b
45
BCN901
CCN701
SYSTEM CONTROLLER
CD:+1.10dBs(1kHz,0dB)
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DEH-2237ZF/X1R/UC

A-a A-b
A-b 123
NC(PTA)
AMOTHER UNIT
FM:-21.37dBs
AM:-20.37dBs
CD: -2.87dBs
FM: +4.63dBs
AM: +5.63dBs
CD:+23.13dBs
16
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1234
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DEH-2237ZF/X1R/UC

A-a A-b
A-b
45
NC(PTA) NC(PHONE INPUT +) NC(PHONE INPUT -) NC(PHONE SHIELD)
NC(PTA) NC(PHONE INPUT +) NC(PHONE INPUT -) NC(PHONE SHIELD)
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.
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DEH-2237ZF/X1R/UC

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BACN604
105mA, 8V
(KL)
(KL)
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3.3 KEYBOARD UNIT

19
B
BKEYBOARD UNIT
SEEK UP
SEEK DOWN
TUNE DOWN TUNE UP
MUTE
CD EJECT
CLK
POWER
VOLUME/POWER
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DEH-2237ZF/X1R/UC

C
91K
91K
MOTOR DRIVER LOGIC TABLE
M1 CXB6007
M2 CXB5903
LOADING/CARRIAGE MOTOR
SPINDLE MOTOR
RF AMP
ACT/MOTOR DRIVER
5V
REGULATOR
PICKUP UNIT(SERVICE)(S9)
F
FF
F
F
F
F
F
F
F
F
F
F
F
T
T
T
T
T
T
T
T
T
T
T
T
T
T
C S
S
C
S
S
C
C
S
S
C
C
*
0
%
8
!
5
^
7
(
&
20
1234
1234
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DEH-2237ZF/X1R/UC
3.4 CD MECHANISM MODULE