Sony HCD-GTR33 Service Manual

SERVICE MANUAL
Sony Corporation
Audio & Video Business Group
Published by Sony EMCS (Malaysia) PG Tec
HCD-GTR33/GTR55/GTR77
SPECIFICATIONS
9-890-541-01
2010C08-1
©
2010.03
E Model
Ver. 1.0 2010.03
• HCD-GTR33 is the amplifi er, USB, CD player, tuner and
tape deck (only E4 model) section in MHC-GTR33.
• HCD-GTR55 is the amplifi er, USB, CD player, tuner and
tape deck (only E4 model) section in MHC-GTR55.
• HCD-GTR77 is the amplifi er, USB, CD player, tuner and
tape deck (only E4 model) section in MHC-GTR77. Photo: HCD-GTR77 (E4 Model)
“WALKMAN” and “WALKMAN” logo are registered
trademarks of Sony Corporation.
MICROVAULT is a trademark of Sony Corporation.
MPEG Layer-3 audio coding technology and patents licensed
from Fraunhofer IIS and Thomson.
Windows Media is a registered trademark of Microsoft
Corporation in the United States and/or other countries.
“Memory Stick” is a trademark of Sony Corporation.
CD Section
Model Name Using Similar Mechanism HCD-GTZ4/GTZ4i/GTZ5
CD Mechanism Type CDM88BL-DVBU101
Optical Pick-up Name KHM-313CAB/C2NP
Tape Section
(Only for E4 model)
Model Name Using Similar Mechanism HCD-GT111/GT222/GT444/GT555
Tape mechanism Type CS-21SC-900TP
• Abbreviation
E4 : African model
COMPACT DISC DECK RECEIVER
Amplifi er section
MHC-GTR77
The following are measured at
Mexican model:
AC 127 V, 60 Hz
Other models:
AC 120 V, 220 V, 240 V, 50/60 Hz
Front/Satellite Speaker
Power Output (rated):
120 W + 120 W (at 6 Ω, 1 kHz, 1% THD)
Front Speaker
RMS output power (reference):
225 W + 225 W (per channel at 8 Ω, 1 kHz)
Satellite Speaker
RMS output power (reference):
100 W + 100 W (per channel at 24 Ω,
1 kHz)
Subwoofer
RMS output power (reference):
130 W + 130 W (12 Ω, 100 Hz)
MHC-GTR55
The following are measured at
Mexican model:
AC 127 V, 60 Hz
Other models:
AC 120 V, 220 V, 240 V, 50/60 Hz
Front Speaker
Power Output (rated):
110 W + 110 W (at 6 Ω, 1 kHz, 1% THD)
RMS output power (reference):
240 W + 240 W (per channel at 6 Ω, 1 kHz)
Subwoofer
RMS output power (reference):
240 W (6 Ω, 100 Hz)
MHC-GTR33
The following are measured at
Mexican model:
AC 127 V, 60 Hz
Other models:
AC 120 V, 220 V, 240 V, 50/60 Hz
Front Speaker
Power Output (rated):
75 W + 75 W (at 6 Ω, 1 kHz, 1% THD)
RMS output power (reference):
165 W + 165 W (per channel at 6 Ω, 1 kHz)
Subwoofer
RMS output power (reference):
160 W (6 Ω, 100 Hz)
Inputs
PC (AUDIO IN) L/R
Voltage 700 mV, impedance 47 kilohms
MIC
Sensitivity 1 mV, impedance 10 kilohms
(USB) port: Type A
Outputs
PHONES
Accepts headphones of 8 Ω or more
USB section
Supported bit rate
MP3 (MPEG 1 Audio Layer-3):
32 kbps – 320 kbps, VBR
WMA: 48 kbps – 192 kbps
AAC: 48 kbps – 320 kbps
Sampling frequencies
MP3 (MPEG 1 Audio Layer-3):
32 kHz/44.1 kHz/48 kHz
WMA: 44.1 kHz
AAC: 44.1 kHz
Transfer speed
Full-Speed
Supported USB device
Mass Storage Class
Maximum current
500 mA
Disc player section
System
Compact disc and digital audio system
Laser Diode Properties
Emission Duration: Continuous
Laser Output*: Less than 44.6 μW
* This output is the value measurement at
a distance of 200 mm from the objective
lens surface on the Optical Pick-up Block
with 7 mm aperture.
Frequency response
20 Hz – 20 kHz
Signal-to-noise ratio
More than 90 dB
Dynamic range
More than 88 dB
Tape deck section
(For African model only)
Recording system
4-track 2 channel, stereo
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
Tuning range
North American models:
87.5 MHz – 108.0 MHz (100 kHz step)
Other models:
87.5 MHz – 108.0 MHz (50 kHz step)
Antenna
FM lead antenna
Antenna terminals
75 ohms unbalanced
Intermediate frequency
10.7 MHz
AM tuner section
Tuning range
Pan American and Oceanian models:
530 kHz – 1,710 kHz (with 10 kHz tuning
interval)
531 kHz – 1,710 kHz (with 9 kHz tuning
interval)
Other models:
530 kHz – 1,610 kHz (with 10 kHz tuning
interval)
531 kHz – 1,602 kHz (with 9 kHz tuning
interval)
Antenna
AM loop antenna, external antenna terminal
Intermediate frequency
450 kHz
General
Power requirements
Oceanian model: AC 230 V – 240 V,
50/60 Hz
Mexican model: AC 127 V, 60 Hz
Argentina model: AC 220 V, 50/60 Hz
Other models: AC 120 V, 220 V or
230 V – 240 V, 50/60 Hz, Adjustable with
voltage selector
Power consumption
MHC-GTR77: 260 W
MHC-GTR55: 250 W
MHC-GTR33: 280 W
Dimensions (w/h/d) (excl. speakers)
(Approx.)
231 mm × 361 mm × 429.5 mm
Mass (excl. speakers) (Approx.)
African and Pan Asian models:
HCD-GTR77/HCD-GTR55: 10.7 kg
HCD-GTR33: 10.5 kg
Other models:
HCD-GTR77/HCD-GTR55: 10.2 kg
HCD-GTR33: 10.0 kg
Design and specifi cations are subject to change
without notice.

Sony HCD-GTR33 Specifications

General

Brand	Sony
Model	HCD-GTR33
Category	Stereo System
Language	English

Summary

Specifications

Amplifier Section Specifications

Details power output and impedance for MHC-GTR77, GTR55, GTR33 models.

CD Section Specifications

Specifies CD mechanism and optical pick-up for similar models.

Tuner Section Specifications

Details FM/AM tuning ranges, antenna types, and intermediate frequencies.

General Specifications

Covers power requirements, consumption, dimensions, and mass for various models.

Servicing Notes

Safety Check-out Procedures

Outlines procedures for checking AC leakage on metal parts after service.

Leakage Test Methods

Details methods and limits for measuring AC leakage current from exposed metal parts.

Disassembly Procedures

2-1. Disassembly Flow

Provides a step-by-step flowchart for disassembling the unit.

2-2. Case (Side-L/R) Removal

Illustrates the removal of left and right side cases with screw details.

2-3. Top Case Removal

Details the procedure for removing the top case, including claw and screw locations.

2-5. Front Panel Block, HUB Board, DMB19 Board

Details removing front panel, HUB, and DMB19 boards with connection points.

2-6. DC Fan and Back Panel Removal

Illustrates the removal of the DC fan and back panel with associated components.

2-7. Main Board Removal

2-8. Power Amp Board Removal

2-9. Chassis Section Removal

2-10. CD Mechanism Block Removal

2-11. Optical Pick-up Block Removal

Test Modes

Panel Test Mode Operation

Describes entering and using Panel Test Mode to check indicators, LEDs, keys, and software versions.

Common Test Mode Operation

Explains how to enter and check the Amplifier section's operations in Common Test Mode.

Cold Reset Procedure

Details the procedure for Cold Reset to clear EEPROM data to initial conditions.

VACS ON/OFF Mode

Tuner Step Change Mode

CD Ship Mode (With Memory Clear)

Describes CD Ship Mode for moving the pick-up and clearing EEPROM data for transport.

CD Ship Mode (Without Memory Clear)

Explains CD Ship Mode to move the optical pick-up for vibration durability during customer return.

CD Tray Lock Mode

Factory Preset Mode

VACS Display Mode

Meter Switch Touch Count Display Mode

Meter Test Mode Operation

Explains how to check the meter device by testing pointer movement and step counts.

CDM Aging Mode Operation

Describes CDM Aging Mode to display total disc playing counts and error history.

Mechanical Adjustments

Precautions for Mechanical Adjustments

Torque Measurement Procedures

Tape Tension Measurement

Electrical Check

Tuner Section: FM Tune Level Check

Covers FM Tune Level Check procedure, including signal generator setup and confirmation.

Deck Section Precautions

Record/Playback Head Azimuth Adjustment

Details the procedure for adjusting the head azimuth for optimal L-CH and R-CH output peaks.

IC Pin Function Descriptions

IC101 CXD9968R (RF AMP, SERVO DSP, AUDIO PROCESSOR) Pinout

IC101 Pin Functions (DMB19 Board Part 2)

IC1501 USB2512A-AEZG (USB CONTROLLER) Pinout

IC401 R5F364AEDFA (SYSTEM CONTROLLER) Pinout (Main Board Part 1)

IC401 Pin Functions (Main Board Part 2)

Electrical Parts List

Display Board Parts List

Lists electrical parts for the DISPLAY BOARD, including resistors, capacitors, connectors, diodes, and ICs.

DMB19 Board Parts List

Lists electrical parts for the DMB19 board, including resistors, switches, capacitors, and ICs.

DMB19 Board Parts List (Continued)

Continues the electrical parts list for the DMB19 board, detailing diodes, ferrite beads, connectors, and ICs.

DMB19 and HUB Board Parts List

Lists electrical parts for the DMB19 and HUB boards, including resistors, capacitors, connectors, and ICs.

HUB and MAIN Board Parts List

Lists electrical parts for the HUB and MAIN boards, including resistors, capacitors, connectors, and ICs.

MAIN Board Parts List (Part 1)

Lists electrical parts for the MAIN board, including capacitors, connectors, diodes, and ICs.

MAIN Board Parts List (Part 2)

Continues the electrical parts list for the MAIN board, detailing diodes, ICs, and transistors.

MAIN Board Parts List (Part 3)

Lists electrical parts for the MAIN board, including transistors and resistors.

MAIN Board Parts List (Part 4)

Continues the electrical parts list for the MAIN board, detailing resistors.

MAIN Board Parts List (Part 5)

Continues the electrical parts list for the MAIN board, detailing resistors and relays.

Main, MIC, and Power Board Parts List

Lists electrical parts for the MAIN, MIC, and POWER boards, including vibrators, resistors, capacitors, diodes, ICs, and jacks.

Power Board Parts List

Lists electrical parts for the POWER board, including capacitors, diodes, ICs, jacks, jumper resistors, transistors, and resistors.

TC, TRANS, and USB Board Parts List

Lists electrical parts for the TC, TRANS, and USB boards, including resistors, connectors, diodes, fuses, transformers, transistors, and capacitors.

TC, TRANS, and USB Board Parts List (Continued)

Continues the electrical parts list for TC, TRANS, and USB boards, including resistors, switches, and capacitors.

USB and VOL Board Parts List

Lists electrical parts for the USB and VOL boards, including capacitors, resistors, switches, and transformers.