Sony HCD-BC250 User Manual

SERVICE MANUAL
Sony Corporation
Audio Group
Published by Sony Engineering Corporation
US Model
Canadian Model
E Model
HCD-BC150/BC250
Australian Model
HCD-BC150
DVD RECEIVER
9-877-956-05
2004I16-1
© 2004.09
Ver 1.4 2004.09
HCD-BC150/BC250
HCD-BC150/BC250 are the amplifier, DVD/
CD and tuner section in DAV-BC150/BC250.
Photo: HCD-BC150
— Continued on next page —
This system incorporates with Dolby* Digital and Dolby
Pro Logic (II) adaptive matrix surround decoder and the
DTS** Digital Surround System.
* Manufactured under license from Dolby Laboratories.
"Dolby", "Pro Logic" and the double-D symbol are
trademarks of Dolby Laboratories.
** Manufactured under license from Digital Theater
Systems, Inc. "DTS" and "DTS Digital Surround" are
trademarks of Digital Theater Systems, Inc.
SPECIFICATIONS
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND
TOTAL HARMONIC
DISTORTION: With 4 ohm loads, both
channels driven, from
200 −20,000 Hz; rated
65 watts per channel
minimum RMS power,
with no more than 0.7 %
total harmonic distortion
from 250 milli watts to
rated output.
Amplifier section
BC150
Stereo mode (rated) 65W + 65W (4 ohms at 1
kHz, DIN)
Surround mode (reference)
North American models: Front: 108 W + 108 W
(with SS-TS10)
Center*: 108 W
(with SS-TS10)
Surround*: 108 W + 108 W
(with SS-TS10)
Subwoofer*: 110 W
(with SS-WS10)
Other models: Front: 85 W + 85 W
(with SS-TS10)
Center*: 85 W
(with SS-TS10)
Surround*: 85 W + 85 W
(with SS-TS10)
Subwoofer*: 85 W
(with SS-WS10)
BC250
Stereo mode (rated) 65 W + 65 W (4 ohms at 1
kHz, DIN)
Surround mode (reference) Front: 113 W + 113 W
(with SS-TS11)
Center*: 113 W
(with SS-CT11)
Surround*: 113 W + 113 W
(with SS-TS10)
Subwoofer*: 115 W
(with SS-WS10)
Inputs VIDEO/SAT
(AUDIO IN):
Sensitivity: 250/400 mV
Impedance: 50 kilohms
Phones Accepts low-and high-
impedance headphones.
DVD system
Laser Semiconductor laser
(DVD: λ = 650 nm)
(CD: λ = 780 nm)
Emission duration:
continuous
Signal format system NTSC ( North American
models
)
NTSC/PAL (
Other
models
)
Frequency response (at 2 CH STEREO mode)
DVD (PCM): 2 Hz to 22
kHz (±1.0 dB)
CD: 2 Hz to 20 kHz (±1.0
dB)
Tuner section
System PLL quartz-locked digital
synthesizer system
FM tuner section
Tuning range
North American models: 87.5 − 108.0 MHz
(100 kHz step)
Other models: 87.5 − 108.0 MHz
(50 kHz step)
Antenna FM wire antenna
Antenna terminals 75 ohms, unbalanced
Intermediate frequency 10.7 MHz
*Depending on the sound field settings and the source,
there may be no sound output.
Former Type New Type Models
Models (US, Canadian)
Model Name Using Similar Mechanism NEW NEW
Mechanism Type CDM81A-DVBU27 CDM81C-DVBU100
Optical Pick-up Name DBU-1 KHM-310AAB/C2NP

Sony HCD-BC250 Specifications

General

Brand	Sony
Model	HCD-BC250
CD Player	Yes
USB Port	Yes
MP3 Playback	Yes
Remote Control	Yes
Bluetooth	No
Power Output	100 Watts
Radio Tuner	FM
Speaker Output	2 speakers

Summary

SPECIFICATIONS

AUDIO POWER SPECIFICATIONS

Details on power output and total harmonic distortion for amplifier sections.

Inputs

Specifies input signal types and impedance characteristics.

DVD system

Information on laser, signal format, and frequency response.

Tuner section

Details on tuner system, tuning range, antenna, and IF frequency.

MODEL IDENTIFICATION

Abbreviation

Defines model abbreviations used throughout the manual.

SAFETY CHECK-OUT

LEAKAGE TEST

Specifies AC leakage limits and testing methods for exposed metal parts.

SAFETY-RELATED COMPONENT WARNING!!

GENERAL

Front Panel

Identifies and describes controls and connectors on the front panel.

Rear Panel

Identifies and describes connectors and terminals on the rear panel.

Remote

DIAGRAMS

PRINTED WIRING BOARD — RF SECTION —

Shows the physical layout of components on the RF board.

SCHEMATIC DIAGRAM — RF SECTION —

Provides the circuit diagram for the RF section of the device.

PRINTED WIRING BOARD — CD MECHANISM SECTION —

Illustrates the component placement on the CD mechanism board.

SCHEMATIC DIAGRAM — CD MECHANISM SECTION —

Presents the circuit schematic for the CD mechanism section.

PRINTED WIRING BOARD — DMB07 SECTION (SIDE A) —

Shows component layout on the DMB07 board, side A.

PRINTED WIRING BOARD — DMB07 SECTION (SIDE B) —

Shows component layout on the DMB07 board, side B.

SCHEMATIC DIAGRAM — DMB07 SECTION (1/8) —

Part 1 of the schematic diagram for the DMB07 section.

SCHEMATIC DIAGRAM — DMB07 SECTION (2/8) —

Part 2 of the schematic diagram for the DMB07 section.

SCHEMATIC DIAGRAM — DMB07 SECTION (3/8) —

Part 3 of the schematic diagram for the DMB07 section.

SCHEMATIC DIAGRAM — DMB07 SECTION (4/8) —

Part 4 of the schematic diagram for the DMB07 section.

SCHEMATIC DIAGRAM — DMB07 SECTION (5/8) —

Part 5 of the schematic diagram for the DMB07 section.

SCHEMATIC DIAGRAM — DMB07 SECTION (6/8) —

Part 6 of the schematic diagram for the DMB07 section.

SCHEMATIC DIAGRAM — DMB07 SECTION (7/8) —

Part 7 of the schematic diagram for the DMB07 section.

SCHEMATIC DIAGRAM — DMB07 SECTION (8/8) —

Part 8 of the schematic diagram for the DMB07 section.

PRINTED WIRING BOARD — MAIN SECTION (SIDE A) —

Shows component layout on the MAIN board, side A.

PRINTED WIRING BOARD — MAIN SECTION (SIDE B) —

Shows component layout on the MAIN board, side B.

SCHEMATIC DIAGRAM — MAIN SECTION (1/2) —

Part 1 of the schematic diagram for the MAIN section.

SCHEMATIC DIAGRAM — MAIN SECTION (2/2) —

Part 2 of the schematic diagram for the MAIN section.

PRINTED WIRING BOARD — PANEL/FL/POWER SW/H/P/AMP RETAINER SECTION —

Shows component layout for panel, FL, power switch, and H/P/amp retainer boards.

SCHEMATIC DIAGRAM — PANEL/FL/POWER SW/H/P/AMP RETAINER SECTION —

Circuit schematic for panel, FL, power switch, and H/P/amp retainer boards.

PRINTED WIRING BOARD — IO SECTION —

Shows component layout on the IO board.

SCHEMATIC DIAGRAM — IO SECTION —

Circuit schematic for the IO section.

PRINTED WIRING BOARD — AMP SECTION (SIDE A) —

Shows component layout on the AMP board, side A.

PRINTED WIRING BOARD — AMP SECTION (SIDE B) —

Shows component layout on the AMP board, side B.

SCHEMATIC DIAGRAM — AMP SECTION (1/4) —

Part 1 of the schematic diagram for the AMP section.

SCHEMATIC DIAGRAM — AMP SECTION (2/4) —

Part 2 of the schematic diagram for the AMP section.

SCHEMATIC DIAGRAM — AMP SECTION (3/4) —

Part 3 of the schematic diagram for the AMP section.

SCHEMATIC DIAGRAM — AMP SECTION (4/4) —

Part 4 of the schematic diagram for the AMP section.

PRINTED WIRING BOARD – SPK/LF SECTION –

Shows component layout for SPK and LF boards.

SCHEMATIC DIAGRAM – SPK/LF SECTION –

Circuit schematic for the SPK and LF sections.

Circuit Boards Location

Illustrates the physical placement of various circuit boards within the unit.

Abbreviation

Defines abbreviations used for components and models.

Waveforms

RF Board

Shows specific waveforms related to the RF section's operation.

DMB07 Board

Displays waveforms from the DMB07 board for analysis.

MAIN Board

Presents waveforms from the main board for analysis.

IO Board

Displays waveforms associated with the IO board.

AMP Board

Shows waveforms from the amplifier section for diagnostic purposes.

IC Block Diagrams

RF Board

Block diagrams for ICs within the RF section.

TRANSLATION Board

IC block diagrams for the translation board.

PANEL Board

IC block diagrams for the panel board.

FL Board

IC block diagrams for the FL board.

DMB07 Board

IC block diagrams for the DMB07 board, including detailed pinouts.

MAIN Board

IC block diagrams for the main board, illustrating IC functions.

IO Board

IC block diagrams for the IO board, showing functional blocks.

AMP Board

IC block diagrams for the amplifier section, detailing ICs like CXD9788AR.

IC Pin Function Description

DMB07 BOARD IC207 ZIVA5X-C2F (DVD SYSTEM PROCESSOR)

Lists pin names, I/O, and descriptions for the DVD system processor IC.

DMB09 BOARD IC102 CXD9780R (CD/DVD/RF AMP, FOCUS/TRACKING ERROR AMP)

Lists pin names, I/O, and descriptions for the RF amplifier IC.

DMB07 BOARD IC701 TMC57929PGF-RDP (DVD DECODER)

Lists pin functions for the DVD decoder IC on the DMB07 board.

DMB07 BOARD IC901 CXP973064-243R (MECHANISM CONTROLLER)

Details pin functions for the mechanism controller IC on the DMB07 board.

MAIN BOARD IC509 uPD703261YGF-S07-JBT-A (SYSTEM CONTROLLER)

Lists pin functions for the system controller IC on the MAIN board.

AMP BOARD IC101 to IC106 CXD9774M (POWER DRIVER)

Details pin functions for the power driver ICs on the AMP board.

DMB09 BOARD IC201 CXD9781R (DVD SYSTEM PROCESSOR, DVD DECODER, DIGITAL SERVO PROCESSOR)

Details pin functions for the DVD system processor IC on the DMB09 board.

MAIN BOARD IC506 CXD9720BQ (DIGITAL AUDIO PROCESSOR)

Lists pin functions for the digital audio processor IC on the MAIN board.

EXPLODED VIEWS

Abbreviation

Defines abbreviations for model names used in exploded views.

OVERALL SECTION

Shows the overall exploded view of the main chassis and front panel assembly.

FRONT PANEL SECTION

CHASSIS SECTION-1

CHASSIS SECTION-2

CD MECHANISM SECTION-1 (CDM81A-DVBU27)

CD MECHANISM SECTION-2 (CDM81A-DVBU100)

CD MECHANISM SECTION-3 (CDM81C-DVBU100)

BASE UNIT (DVBU27)

ELECTRICAL PARTS LIST

AMP

Parts list specifically for the amplifier section components.

OPERATING TEST MODE

SYSCON DIAGNOSIS

Checks system parameters like version, EEPROM, and GPIO.

Disc Check Memory

Measures and writes the mirror time of a loaded disc to the EEPROM.

Error Rate Display

Measures and displays the error rate for PI and PO signals.

DRIVE AUTO ADJUSTMENT

ALL

Initializes servo data and adjusts for DVD-SL, CD, and DVD-DL discs.

DVD-SL (single layer)

Detailed steps for adjusting a single-layer DVD disc.

DRIVE MANUAL OPERATION

Track/Layer Jump

Non EEPROM Write Adjust

EEPROM Write Adjust

Memory Check

Servo Control

Disc Type

Allows setting or checking the inserted disc type (DVD, CD, Hybrid).

Disc Check Memory

Disc Type Auto Check

Automatically judges the inserted disc type.

Disc Type Select

Allows manual selection of the disc type (DVD, CD, Hybrid).

Error Rate Display

SACD Water Mark Check

MECHA AGING

MECHA ERROR HISTORY

EMERGENCY HISTORY

Displays servo and mechanism error history information.

VERSION INFORMATION

VIDEO LEVEL ADJUSTMENT

AUTO SERVO ADJUSTMENT

RFMON Level Check

SERVICING NOTE

SERVICE POSITION-1 (DVD MECHANISM DECK)

Illustrates the service position for the DVD mechanism deck.

DISC SLOT LOCK

Explains the disc tray lock function and its setting/releasing procedures.

NOTE OF REPLACING THE DMB07 BOARD

Instructions for replacing the DMB07 board and initializing memory.

DISASSEMBLY FLOW

CASE, FRONT PANEL ASSY SECTION

Procedure for disassembling the case and front panel assembly.

PANEL BOARD, FL BOARD, H/P BOARD, POWER SW BOARD

Procedure for disassembling the panel, FL, H/P, and power switch boards.

SWITCHING REGULATOR

Procedure for disassembling the switching regulator.

AMP BOARD

Procedure for disassembling the amplifier board.

DMB07 BOARD

Procedure for disassembling the DMB07 board.

SPK BOARD, IO BOARD, DC FAN

Procedure for disassembling the speaker, IO, and DC fan.

MAIN BOARD

Procedure for disassembling the main board.

LF BOARD

Procedure for disassembling the LF board.

MD REAR COVER

Procedure for disassembling the MD rear cover.

DVD MECHANISM DECK (CDM81C-DVBU100)

Procedure for removing the DVD mechanism deck.

TRAY

Procedure for disassembling the tray assembly.

MOTOR BOARD, M761 (LD/ST MOTOR), M762 (BU U/D MOTOR)

Procedure for disassembling the motor boards and motors.

BASE UNIT (DVBU27)

Procedure for disassembling the base unit.

RF BOARD

Procedure for disassembling the RF board.

OPTICAL PICK-UP (DBU-1)

Procedure for disassembling the optical pick-up.

CASE, FRONT PANEL ASSY SECTION

PANEL BOARD, FL BOARD, H/P BOARD, POWER SW BOARD

SWITCHING REGULATOR

AMP BOARD

DMB07 BOARD

SPK BOARD, IO BOARD, DC FAN

MAIN BOARD

LF BOARD

MD REAR COVER

DVD MECHANISM DECK (CDM81C-DVBU100)

TRAY

MOTOR BOARD, M761 (LD/ST MOTOR), M762 (BU U/D MOTOR)

BASE UNIT (DVBU27)

OPTICAL PICK-UP (KHM-310AAB/C2NP)

TEST MODE

Disc Tray Lock

Explains the disc tray lock function and its setting/releasing procedures.

DVD Ship Mode

Mode to move the optical pick-up for shipping or after repair.

DVD Debug In Mode

Procedure to enter debug mode for DVD operations.

Cold Reset

Procedure to clear all data and reset the unit to initial conditions.

Panel Test Mode

Mode to check software version, LCD, LED, and keyboard functionality.

AUTO SERVO ADJUSTMENT

RFMON Level Check

GENERAL DESCRIPTION

STARTING TEST MODE

DRIVE MANUAL OPERATION

Manual Adjust

Lists various manual adjustments for servo parameters like track balance and focus gain.

MIRROR TIME ADJUSTMENT

EXECUTING MIRROR TIME ADJUSTMENT

Standard procedures for performing mirror time adjustment.

DIAGRAMS

Circuit Boards Location

Illustrates the physical placement of circuit boards within the unit.

Abbreviation

Defines abbreviations used for components and models.

BLOCK DIAGRAM – RF SERVO SECTION –

Signal Path

Indicates the signal flow for CD Play, DVD Play, Video, and Audio.

VIDEO SECTION

Signal Path

Shows the signal flow for video inputs and outputs.

AMP SECTION

Signal Path

Depicts the signal flow for audio processing and output stages.

AUDIO SECTION

Signal Path

Shows the signal flow for audio inputs, processing, and outputs.

POWER SECTION

PRINTED WIRING BOARD – DVD MECHANISM SECTION –

SCHEMATIC DIAGRAM – DVD MECHANISM SECTION –

PRINTED WIRING BOARD – DMB09 SECTION (SIDE A) –

PRINTED WIRING BOARD – DMB09 SECTION (SIDE B) –

SCHEMATIC DIAGRAM – DMB09 SECTION (1/4) –

SCHEMATIC DIAGRAM – DMB09 SECTION (2/4) –

SCHEMATIC DIAGRAM – DMB09 SECTION (3/4) –

SCHEMATIC DIAGRAM – DMB09 SECTION (4/4) –

PRINTED WIRING BOARD – MAIN SECTION (SIDE A) –

PRINTED WIRING BOARD – MAIN SECTION (SIDE B) –

SCHEMATIC DIAGRAM – MAIN SECTION (1/3) –

SCHEMATIC DIAGRAM – MAIN SECTION (2/3) –

SCHEMATIC DIAGRAM – MAIN SECTION (3/3) –

PRINTED WIRING BOARD – PANEL/FL/POWER SW/H/P/AMP RETAINER SECTION –

SCHEMATIC DIAGRAM – PANEL/FL/POWER SW/H/P/AMP RETAINER SECTION –

PRINTED WIRING BOARD – IO SECTION –

SCHEMATIC DIAGRAM – IO SECTION –

PRINTED WIRING BOARD – AMP SECTION (SIDE A) –

PRINTED WIRING BOARD – AMP SECTION (SIDE B) –

SCHEMATIC DIAGRAM – AMP SECTION (1/4) –

SCHEMATIC DIAGRAM – AMP SECTION (2/4) –

SCHEMATIC DIAGRAM – AMP SECTION (3/4) –

SCHEMATIC DIAGRAM – AMP SECTION (4/4) –

PRINTED WIRING BOARD – SPK/LF SECTION –

SCHEMATIC DIAGRAM – SPK/LF SECTION –

Waveforms

DMB09 Board

Shows specific waveforms related to the DMB09 board's operation.

MAIN Board

Presents waveforms from the main board for analysis.

IO Board

Displays waveforms associated with the IO board.

AMP Board

Shows waveforms from the amplifier section for diagnostic purposes.

IC Block Diagrams

TRANSLATION Board

IC block diagrams for the translation board.

PANEL Board

IC block diagrams for the panel board.

FL Board

IC block diagrams for the FL board.

MAIN Board

IC block diagrams for the main board, illustrating IC functions.

DMB09 Board

IC block diagrams for the DMB09 board, including detailed pinouts.

IO Board

IC block diagrams for the IO board, showing functional blocks.

AMP Board

IC block diagrams for the amplifier section, detailing ICs like CXD9788AR.

FL Board

IC block diagrams for the FL board, illustrating its functionality.

IC Pin Function Description

DMB09 BOARD IC102 CXD9780R (CD/DVD/RF AMP, FOCUS/TRACKING ERROR AMP)

Lists pin names, I/O, and descriptions for the RF amplifier IC.

DMB07 BOARD IC201 CXD9781R (DVD SYSTEM PROCESSOR, DVD DECODER, DIGITAL SERVO PROCESSOR)

Details pin functions for the DVD system processor IC on the DMB09 board.

MAIN BOARD IC506 CXD9720BQ (DIGITAL AUDIO PROCESSOR)

Lists pin functions for the digital audio processor IC on the MAIN board.

MAIN BOARD IC509 uPD703261YGF-S07-JBT-A (SYSTEM CONTROLLER)

Lists pin functions for the system controller IC on the MAIN board.

AMP BOARD IC101 to IC106 CXD9774M (POWER DRIVER)

Details pin functions for the power driver ICs on the AMP board.

EXPLODED VIEWS

Abbreviation

Defines abbreviations for model names used in exploded views.

OVERALL SECTION

Shows the overall exploded view of the main chassis and front panel assembly.

FRONT PANEL SECTION

CHASSIS SECTION

DVD MECHANISM DECK SECTION-1 (CDM81C-DVBU100)

DVD MECHANISM DECK SECTION-2 (CDM81C-DVBU100)

DVD MECHANISM DECK SECTION-3 (CDM81C-DVBU100)

BASE UNIT (DVBU100)

ELECTRICAL PARTS LIST

AMP

Parts list specifically for the amplifier section components.

REVISION HISTORY