Pioneer AVH-X7750TV/XNRD - User Manual

ORDER NO.
PIONEER CORPORATION 1-1, Shin-ogura, Saiwai-ku, Kawasaki-shi, Kanagawa 212-0031, 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 2014
AVH-X7700BT/XNUC
CRT5646
DVD RDS AV RECEIVER
AVH-X7700BT /XNUC
AVH-X7700BT/XNEW5
AVH-X7700BT/XNUW5
AVH-X7750BT/XNRC
AVH-X7750BT/XNRD
AVH-X7750TV/XNRD
AVH-X7750BT/XNRI
This service manual should be used together with the following manual(s):
Model No. Order No. Mech.Module Remarks
CX-3268 CRT4534 MS7 DVD Mech. Module : Circuit Descriptions, Mech. Descriptions, Disassembly
CX-3310 CRT5669 MS7.2 DVD Mech. Module : Diagnosis Flowchart
K-ZZZ NOV. 2014 Printed in Japan

Summary

SAFETY INFORMATION

CAUTION

General safety precautions for service technicians.

WARNING

Product may contain California Proposition 65 chemicals.

Safety Precautions for those who Service this Unit

Precautions for laser diode operation and viewing.

SERVICE PRECAUTIONS

1.1 SERVICE PRECAUTIONS

General safety instructions and handling of ICs.

1.2 NOTES ON SOLDERING

Guidelines for using lead-free solder and soldering iron.

SPECIFICATIONS

2.1 SPECIFICATIONS

Backup current specification.

2.2 DISC;CONTENT FORMAT

Supported disc and content formats.

BASIC ITEMS FOR SERVICE

3.1 CHECK POINTS AFTER SERVICING

Procedures to confirm product quality after service.

PCB LOCATIONS

3.2 PCB LOCATIONS

Diagram showing the physical location of various PCBs within the unit.

JIGS LIST

3.3 JIGS LIST

List of special jigs and their purposes for service.

CLEANING

3.4 CLEANING

Cleaning procedures for DVD pickup lenses and fans before shipping.

BLOCK DIAGRAM

4.1 OVERALL CONNECTION DIAGRAM

Diagram showing the overall system connections between units.

4.2 BLOCK DIAGRAM

Detailed system block diagram illustrating component interactions.

4.3 POWER SUPPLY SYSTEM FIGURE

Diagram illustrating the power supply system and voltage distribution.

DIAGNOSIS

5.1 OPERATIONAL FLOWCHART

Step-by-step flowchart for diagnosing unit operational issues.

5.2 INSPECTION METHOD OF PICKUP UNIT

Procedure for inspecting and diagnosing the pickup unit for faults.

5.4 ERROR CODE LIST

Comprehensive list of error codes, their meanings, and reset methods.

5.5 CONNECTOR FUNCTION DESCRIPTION

Description of the function of each connector on the main units.

5.6 MECHANICAL DESCRIPTION

Description of the mechanical operations, including FLAP mechanisms.

SERVICE MODE

6.1 MONITOR TEST MODE

Instructions for entering and navigating the monitor test mode menu.

6.2 DVD TEST MODE

Instructions for activating DVD test modes like FE, EDC1, EDC2, LD Live Time.

6.3 DVD MECHANISM TOUCH PANEL TEST MODE

Instructions for entering and using the DVD mechanism touch panel test.

DISASSEMBLY

Removing the Grille Assy (Fig.1)

Step-by-step instructions for removing the front grille assembly.

Removing the Display Module Unit (1;2) (Fig.2)

Instructions for removing the display module unit from the rear.

Removing the DVD Mechanism Module and the Display Module Unit (2;2) (Fig.3)

Instructions for removing the DVD mechanism and display module.

Removing the Monitor Assy (Fig.6)

Steps to remove the monitor assembly, including covers and sheets.

Removing the PU unit

Steps for removing the Pickup Unit (PU), including connector and motor assembly.

How to Hold the Mechanism

Guidelines on correctly holding the mechanism during disassembly/assembly.

EACH SETTING AND ADJUSTMENT

8.1 DVD ADJUSTMENT

Precautions and procedures for adjusting DVD playback functions.

-SKEW adjustment

Procedure for skew adjustment of the pickup unit, including methods and symptoms.

8.2 PCL OUTPUT CONFIRMATION

Procedure to confirm PCL output signal frequency and replace X'tal if needed.

EXPLODED VIEWS AND PARTS LIST

9.1 PACKING

Exploded view showing the packing contents and parts list.

9.2 EXTERIOR (1)

Exploded views of exterior parts, including cables and main unit components.

9.3 EXTERIOR (2)

Exploded views of exterior parts, showing internal assemblies and mounting.

9.4 EXTERIOR (3)

Exploded views illustrating external components and their assembly.

9.5 EXTERIOR (4)

Exploded views showing various external parts and their locations.

9.6 DVD MECHANISM MODULE

Exploded view of the DVD mechanism module.

SCHEMATIC DIAGRAM

10.1 MOTHER UNIT (VEHICLE IF)

Schematic diagram for the mother unit with vehicle interface.

10.2 MOTHER UNIT (PWR OTHER)

Schematic diagram for the mother unit with other power supply circuits.

10.3 MOTHER UNIT (2 CHDC;DC)

Schematic diagram for the mother unit with 2-channel DC/DC converters.

10.4 MOTHER UNIT (1 CHDC;DC)

Schematic diagram for the mother unit with 1-channel DC/DC converters.

10.5 MOTHER UNIT (SYSCOM)

Schematic diagram for the mother unit's system communication (SYSCOM).

10.6 MOTHER UNIT (GERDA) (1;2 scale)

Schematic diagram for the mother unit's GERDA interface (part 1).

10.7 MOTHER UNIT (AVSEL)

Schematic diagram for the mother unit's AV selector interface.

10.8 MOTHER UNIT (OPAL)

Schematic diagram for the mother unit's OPAL interface.

10.9 MOTHER UNIT (PWR-IC)

Schematic diagram for the mother unit's power IC circuit.

10.10 MOTHER UNIT (PWR TUN)

Schematic diagram for the mother unit's tuner power supply.

10.11 MOTHER UNIT (LVDS TX)

Schematic diagram for the mother unit's LVDS transmitter.

10.12 MOTHER UNIT (LITHIO)

Schematic diagram for the mother unit's lithio (tuner) section.

10.13 MOTHER UNIT (PWR USB)

Schematic diagram for the mother unit's USB power supply.

10.14 MOTHER UNIT (MS7.2 IF)

Schematic diagram for the mother unit's MS7.2 interface.

10.15 MOTHER UNIT (EXT I;F) (1;2 scale)

Schematic diagram for the mother unit's external interface (part 1).

10.16 MOTHER UNIT (BT)

Schematic diagram for the mother unit's Bluetooth module.

10.17 MONITOR UNIT (PCB I;F)

Schematic diagram for the monitor unit's PCB interface.

10.18 MONITOR UNIT (S LCD BL)

Schematic diagram for the monitor unit's LCD backlight control.

10.19 MONITOR UNIT (S LCD PW)

Schematic diagram for the monitor unit's LCD power supply.

10.20 MONITOR UNIT (LCD I;F)

Schematic diagram for the monitor unit's LCD interface.

10.21 MONITOR UNIT (LVDC RX)

Schematic diagram for the monitor unit's LVDC receiver.

10.22 DVD CORE UNIT (MS7.2) (1;2 scale)

Schematic diagram for the DVD core unit (part 1).

10.23 COMPOUND UNIT(A) and COMPOUND UNIT(B)

Schematic diagrams for the compound units A and B.

10.24 KEYBOARD UNIT

Schematic diagram for the keyboard unit.

10.25 MAIN PCB UNIT and SW PCB UNIT

Schematic diagrams for the main PCB and SW PCB units.

10.26 WAVEFORMS

Displays various operational waveforms for DVD core unit tests.

PCB CONNECTION DIAGRAM

11.1 MOTHER UNIT

PCB connection diagram for the mother unit, showing component layouts.

11.2 MONITOR UNIT

PCB connection diagram for the monitor unit, showing component layouts.

11.3 DVD CORE UNIT (MS7.2) (1;2 scale)

PCB connection diagram for the DVD core unit (part 1).

11.4 COMPOUND UNIT(A) and COMPOUND UNIT(B)

PCB connection diagrams for the compound units A and B.

11.5 KEYBOARD UNIT

PCB connection diagram for the keyboard unit.

11.6 MAIN PCB UNIT

PCB connection diagram for the main PCB unit.

11.7 SW PCB UNIT

PCB connection diagram for the SW PCB unit.

ELECTRICAL PARTS LIST

IC

Electrical parts list for integrated circuits (ICs).

Q (Transistor)

Electrical parts list for transistors (Q).

R (Resistors)

Electrical parts list for resistors (R).

CAPACITORS

Electrical parts list for capacitors (C).

Unit Name: CWX4034

Parts list for Compound Unit (A).

Unit Name: CWX3394

Parts list for Compound Unit (B).

Unit Name: CWN8792

Parts list for Keyboard Unit.

Unit Name: CWX4606

Parts list for DVD Core Unit (MS7.2).

Pioneer AVH-X7750TV/XNRD Specifications