Clarion PU-2354A User Manual

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PU-2354A
Published by Service Dept.
Printed in Japan
Clarion Co., Ltd.
5-35-2, Hakusan, Bunkyouku, Tokyo, 112-8608 Japan
Service Dept.- 50 kamitoda,Toda-shi,Saitama,335-8511 Japan Tel: 048-443-1111 FAX:048-433-6996
298-5989-00
Jun.2002 P
Service Manual
Model
VOLKSWAGEN Automobile
Genuine AM/FM Radio Cassette/
CD Stereo
PU-2354A
(Genuine No.3B7 035 180B)
■SPECIFICATIONS
Radio section
Tuning system: PLL frequency synthesizer system
Receive range: AM 530kHz to 1,710kHz
FM 87.9MHz to 107.9MHz
Intermediate frequency:
AM 450kHz
FM 10.7MHz
Quieting sensitivity: AM Less than 44dB
μ(at 26dB S/N)
FM Less than 9dB
μ(at 30dB S/N)
Separation: FM 25
±5dB
Auto tuning stop sensitivity:
AM 40dB
μ±3dBμ(DX)
FM 24
±3dBμ(DX)
Tape section
Reproducting system: 4 track,2 program
2 channel stereo system
Wow and flutter: Less than 0.3
％(W.R.M.S)
Separation: More than 40dB
Cross talk: More than 40dB
S/N ratio: Normal tape(120
μs)
45dB/54dB(DOLBY B NR ON)
Metal tape(70
μs)
47dB/56dB(DOLBY B NR ON)
FF/REW time: Less than 120sec.(C-60)
CD section
Disc: 12cm,8cm Disc
Separation: More than 50dB
S/N ratio: More than 74dB
General
Load impedance: 4Ω
Power output: More than 15W×4(at 5% dist.)
Power supply voltage: DC14.0V(10.8V to 15.6V)
Negative ground
Back-up consumption: Less than 2mA
Dimensions(mm): 179(W)
×111.9(H)×174.5(D)
※ Dolby noise reduction manufactured under license from
Dolby Laboratories Licensing Corporation.
※ "DOLBY" and the double-D symbol are trademarks of
Dolby Laboratories Licensing Corporation.
※ Specifications and design are subject to change without
notice for further improvement.
■COMPONENTS
PU-2354A-A
Main unit −−−−− 1
■NOTE
※ We cannot supply PWB with component parts in prin-
ciple. When a circuit on PWB has failure, please repair
it by component parts base. Parts which are not men-
tioned in service manual are not supplied.
※ This unit is used the special adjustment jig for measur-
ing.

Clarion PU-2354A Specifications

General

Tuner bands	AM/FM
RDS	Yes
Touchscreen	No
CD Playback	Yes
Bluetooth	No
AM/FM Tuner	Yes
Display type	LCD
Power Output	50W x 4

Summary

Product Specifications

Radio Section Details

Details tuning system, receive range, intermediate frequency, quieting sensitivity, and separation.

Tape Section Details

Covers reproducing system, wow/flutter, separation, S/N ratio, and FF/REW time.

CD Section Details

Lists disc type, separation, and S/N ratio for the CD player.

General Unit Specifications

Outlines load impedance, power output, supply voltage, dimensions, and power consumption.

Components Overview

Main Unit Components List

Lists the main components of the PU-2354A-A unit.

Component Handling Notes

Provides notes regarding component supply and the use of special adjustment jigs.

Service and Safety Precautions

General Repair and Safety Guidelines

Provides critical instructions for engineers regarding safety, part usage, and general repair procedures.

Optical Pickup and Laser Safety

Details safe practices for handling optical pickups, including laser safety and cleaning.

Computer Anti-Theft System (CATS)

Explains the function and release procedure for the CATS feature.

Technical Diagrams and Explanations

Circuit Diagrams

Presents circuit diagrams for the Main PWB(B1), CD Mechanism, and Tape Mechanism.

Integrated Circuit (IC) Pinouts

Lists and describes the function of various integrated circuits (ICs) used in the system, including pin details.

Printed Wiring Board (PWB) Layouts

Shows printed wiring board layouts for CD mechanism and sensor components for assembly reference.

Parts Identification and Lists

Exploded View - Main Section Parts

Provides a visual breakdown and list of parts for the main unit assembly.

Electrical Component Lists

Lists all electrical components (capacitors, resistors, ICs, etc.) for various PCBs in detail.

Mechanism and PWB Parts Lists

Details components and part numbers for the CD and Tape mechanism assemblies, and various PWBs.