ORDER NO.
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
PIONEER CORPORATION 2002
KEX-M8627ZT/EW
CRT2917
RECEIVER ASSY, RADIO
KEX-M8627ZT
EW
KEX-M8527ZT
EW
KEX-M8627ZT-91
EW
KEX-M8527ZT-91
EW
This service manual should be used together with the following manual(s):
-
-
-
-Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation.
"Dolby" and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.
-
-
-
-This service manual does not describe the CD test mode. For the operations in the CD test mode,
refer to the CD player's Service Manual.
VEHICLE
DESTINATION
PRODUCED
AFTER
TOYOTA PARTS No.
ID No.
PIONEER MODEL
No.
LAND CRUISER
PRADO
EUROPE
September 2002
86120-60450
P3734
KEX-M8627ZT/EW
KEX-M8627ZT-91/EW
LAND CRUISER
PRADO
EUROPE
September 2002
86120-60460
P3733
KEX-M8527ZT/EW
KEX-M8527ZT-91/EW
Model No.
Order No.
Mech.Module
Remarks
CX-1011
CRT2406
3L
Cassette Mech. module: Mech.Description, Disassembly
For details, refer to "Important symbols for good services".
K-ZZS. AUG. 2002 2002 printed in Japan
TOYOTA
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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.
- Supplementary model is identical to the original except for the addition of following items.
Description
Part No.
KEX-M8627ZT-91/EW KEX-M8527ZT-91/EW
Polyethylene Bag
CEG1026
CEG1026
Carton
CHG4857
CHG4857
Contain Box
CHL4857
CHL4857
* Air Cap
CHW1947
CHW1947
Cover
CEG1045(x2)
CEG1045(x2)
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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 ..................................................................................................................................... 3
1. SPECIFICATIONS ............................................................................................................................................ 5
2. EXPLODED VIEWS AND PARTS LIST ............................................................................................................ 6
2.1 EXTERIOR................................................................................................................................................. 6
2.2 CASSETTE 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 CASSETTE MECHANISM MODULE....................................................................................................... 20
4. PCB CONNECTION DIAGRAM ..................................................................................................................... 22
4.1 MAIN UNIT............................................................................................................................................... 22
4.2 KEYBOARD UNIT(KEX-M8627ZT).......................................................................................................... 26
4.3 KEYBOARD UNIT(KEX-M8527ZT).......................................................................................................... 27
4.4 CASSETTE MECHANISM MODULE....................................................................................................... 28
5. ELECTRICAL PARTS LIST ............................................................................................................................ 30
6. ADJUSTMENT ............................................................................................................................................... 37
6.1 CONNECTION DIAGRAM ....................................................................................................................... 37
6.2 TUNER/AUDIO ADJUSTMENT ............................................................................................................... 38
6.3 SELF-DIAGNOSIS FUNCTION ............................................................................................................... 40
7. GENERAL INFORMATION ............................................................................................................................. 43
7.1 DIAGNOSIS ............................................................................................................................................. 43
7.1.1 DISASSEMBLY ..................................................................................................................................... 43
7.1.2 CONNECTOR FUNCTION DESCRIPTION .......................................................................................... 44
7.1.3 TROUBLE SHOOTING ......................................................................................................................... 45
7.2 IC ............................................................................................................................................................. 46
7.3 EXPLANATION ........................................................................................................................................ 49
7.3.1 SYSTEM BLOCK DIAGRAM ................................................................................................................ 49
7.3.2 OPERATIONAL FLOW CHART ............................................................................................................ 50
7.4 CLEANING............................................................................................................................................... 51
8. OPERATIONS ................................................................................................................................................ 52
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1. SPECIFICATIONS
General
Power source . . . . . . . 13.2V(10.5V--16.0V allowable)
Backup current. . . . . . . . . . . . . . Less than 0.3 mA
Grounding system . . . . . . . . . . . . . . Negative type
Weight . . . . . . . . . . . . . . . . . . . . . . . . 1.16 kg
Tape player
Tape . . . . . . . . . Compact cassette tape (C-30 - C-90)
Tape speed . . 4.76 cm/sec.(+0.14 cm/sec.,-0.05 cm/sec.)
Wow & flutter. . . . . . . . . . . Less than 0.2 %(WRMS)
Fast forward/rewind time. . . . Less than 110 sec. for C-60
Stereo separation . . . . . . . . . . . . . More than 30 dB
Signal-to-noise ratio . . . . . . . . . . . . More than 40 dB
FM tuner
Frequency range. . . . . . . . . . . . . 87.5 - 108.0 MHz
Usable sensitivity . . . . .Less than 14 dBµV (S/N: 30 dB)
Signal-to-noise ratio . . . . .More than 46 dB(54dBµ input)
Distortion . . . . . . . . . . . . . . . . . Less than 1.5%
Digital noise . . . . . . Less than 25 mVp-p (74 dBµ input)
MW tuner
Frequency range. . . . . . . . . . . . . . 522 - 1,611 kHz
Usable sensitivity . . . . Less than 34 dBµV(S / N : 20 dB)
Selectivity . . . . . . . . . . . . More than 20 dB (±9 kHz)
Signal-to-noise ratio . . . . More than 42 dB (74 dBµ input)
Distortion . . . . . . . . . . . . . . . . . Less than 1.5%
LW tuner
Frequency range. . . . . . . . . . . . . . . 153 - 279 kHz
Usable sensitivity . . . . . . . . . 40 dBµV(S / N : 20 dB)
Selectivity . . . . . . . . . . . . More than 20 dB (±9 kHz)
Signal-to-noise ratio . . . . More than 42 dB (74 dBµ input)
Distortion . . . . . . . . . . . . . . . . . Less than 1.5%