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ORDER NO.
CRT3248

DVD NAVIGATION UNIT


AVIC-88DVD /UC




This service manual should be used together with the manual(s) listed below. For the
parts numbers, adjustments, etc. which are not shown in this manual, refer to the follow-
ing manual(s).
Model No. Order No. Mech.Module Remarks

AVIC-90DVD/UC CRT2890
CX-954 CRT2670 MS2 DVD Mech. Module : Circuit Description, Mech. Description, Disassembly




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


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 2004
K-ZZA. JUNE 2004 printed in Japan
1 2 3 4



[ 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:
A 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,
B 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.
C




D




E




F




AVIC-88DVD/UC
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EXPLODED VIEWS AND PARTS LIST
PACKING(Page 6)
- PACKING SECTION PARTS LIST
* : Non spare part
A
Mark No. Description AVIC-90DVD/UC AVIC-88DVD/UC
1-1 Owner's Manual CRB1798 CRB1975
1-2 Owner's Manual/PA/FRE CRB1783 CRB1977(Owner's Manual/POC/FRE)
1-3 Owner's Manual CRB1796 CRB1974
1-4 Owner's Manual/PA/FRE CRB1797 CRB1976(Owner's Manual/POC/FRE)
1-5 Installation Manual CRD3650 Not used


1-6 Owner's Manual CRD3661 CRD3914(Installation Manual)
2 Cord Assy CDE7062 CDE7725
3 Accessory Assy CEA2913 CEA4467 B
8 Accessory Assy CEA2536 CEA4299(Connector Assy)
9 Polyethylene Bag CEG1011 * E36-615


10 Battery CEX1021 Not used
12 Sheet CNM6370 Not used
13 Holder CNS5606 Not used
17 Screw Assy CEA2896 CEA4465
19 Screw CMZ50P060FMC CMZ50P060FTC

C
23 Carton CHG4738 CHG5266
25 Contain Box CHL4738 CHL5266
31 Remote Control Assy CXB9118 Not used
34 DVD-ROM CPJ1143 CPJ1161
35 Screw Assy CEA2938 CEA4466


36 Screw(M6x16) CBA1295 CBA1795
* 37 Polyethylene Bag E36-613 CNM4338(Polyethylene Sheet)
38 Remote Control Assy Not used CXC3646
D




E
38




F




AVIC-88DVD/UC
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3
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EXTERIOR(Page 12)
- EXTERIOR SECTION PARTS LIST


Mark No. Description AVIC-90DVD/UC AVIC-88DVD/UC
A
1 Screw BMZ20P025FMC BMZ20P025FTC
2 Screw BMZ26P040FMC BMZ26P040FTC
23 CC Unit CWM8391 CWM9059
36 Screw IMS26P030FMC IMS26P030FTC
37 Main Unit CWM8484 CWM9642


73 GPS Unit CWX2591 CWX2925
79 Screw BPZ20P050FMC BPZ20P050FTC
83 Grille Assy CXB9890 CXC3631(Grille Unit)
B
90 Door Unit CXB7566 CXC3674
91 DVD Mechanism Module(MS2) CXK6160 CXK6121


96 Cord Assy CDE7062 CDE7725
103 Grille Unit GXX1229 GXX1246
104 Door Unit GXX1223 GXX1247




C




D




REMOTE CONTROL ASSY(Page 16)
- REMOTE CONTROL ASSY SECTION PARTS LIST


Mark No. Description AVIC-90DVD/UC AVIC-88DVD/UC
1 Remote Control Assy CXB9118 Not used
E
2 Cover CZN5432 Not used
3 Scroll Stick CZA5047 Not used
4 3D View Stick CZA5085 Not used
5 Cover Not used CZN5497




F



5
AVIC-88DVD/UC
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ELECTRICAL PARTS LIST(Page 110)
MAIN UNIT

Circuit Symbol and No. AVIC-90DVD/UC AVIC-88DVD/UC A
IC571 IC S-81250SGUP S-812C50AUA-C3E
IC631 IC S-8423AFS S-8424AABFT
D1841 Diode MA110 MA111
FU1801 Fuse 2A CEK1190 CEK1257
FU1802, 1804 Fuse 4A CEK1199 CEK1260


FU1850, 3251 Fuse 1A CEK1191 CEK1254
GY572 Sensor CSX1052 CSX1050
R607 RS1/16S104J Not used
B
R608 Not used RS1/16S104J



Page 31 7-B




C




CC UNIT
D

Circuit Symbol and No. AVIC-90DVD/UC AVIC-88DVD/UC
IC110 IC PD6403B PD6444B
IC111 IC PD6404B PD6445B
FU801 Fuse 4A CEK1199 CEK1260
FU802, 803 Fuse 2.5A CEK1209 CEK1258



GPS UNIT
E

Circuit Symbol and No. AVIC-90DVD/UC AVIC-88DVD/UC
IC502 IC PD6362B PD6452A




ADJUSTMENT
USING THE TEST DISC(Page 166)
F
AVIC-90DVD/UC AVIC-88DVD/UC
TEST DISC GGV1059(CNDK-LT0102) GGV1132(S-57364)

AVIC-88DVD/UC
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EXPLODED VIEWS AND PARTS LIST
NOTES :