Sony CDX-GT40U Service Manual

SERVICE MANUAL
Ver. 1.4 2012.07
• The tuner and CD sections have no adjustments.
AUDIO POWER SPECIFICATIONS
(US model)
CEA2006 Standard
Power Output: 17 Watts RMS  4 at
4 Ohms < 1 % THD + N
SN Ratio: 80 dBA
(reference: 1 Watt into 4 Ohms)
Tuner section
FM
Tuning range:
US, CND, AR model: 87.5 – 107.9 MHz
AEP, UK, EA model:
87.5 – 108.0 MHz
E, MX, KR, IND model:
87.5 – 108.0 MHz (at 50 kHz step)
87.5 – 108.0 MHz (at 100 kHz step)
87.5 – 107.9 MHz (at 200 kHz step)
RU model:
FM1/FM2: 87.5 – 108.0 MHz (at 50 kHz)
FM3: 65 – 74 MHz (at 30 kHz)
FM tuning step:
E, MX, KR, IND model:
50 kHz/100 kHz/200 kHz switchable
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 25 kHz
Usable sensitivity: 8 dBf
Selectivity: 75 dB at 400 kHz
Signal-to-noise ratio: 80 dB (stereo)
Separation: 50 dB at 1 kHz
Frequency response: 20 – 15,000 Hz
9-893-214-05
Sony Corporation
2012G33-1
©
2012.07 Published by Sony Techno Create Corporation
CDX-GT40U/GT40UW/GT42UE/
Photo: CDX-GT40U: AEP, UK model
SPECIFICATIONS
AM (US, CND, E, MX, AR, KR, IND model)
Tuning range:
US, CND, AR model: 530 – 1,710 kHz
E, MX, KR, IND model:
531 – 1,602 kHz (at 9 kHz step)
530 – 1,710 kHz (at 10 kHz step)
AM tuning step:
E, MX, KR, IND model:
9 kHz/10 kHz switchable
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency:
US, CND, AR model:
9,115 kHz or 9,125 kHz/5 kHz
E, MX, KR, IND model:
9,124.5 kHz or 9,115.5 kHz/4.5 kHz
(at 9 kHz step)
9,115 kHz or 9,125 kHz/5 kHz
(at 10 kHz step)
Sensitivity: 26 V
GT44U/GT45U/GT47UE
Model Name Using Similar Mechanism
CD Drive Mechanism Type
Optical Pick-up Name
MW/LW (AEP, RU, UK model)
MW (EA model)
Tuning range:
MW: 531 – 1,602 kHz
LW: 153 – 279 kHz (AEP, RU, UK model)
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency:
9,124.5 kHz or 9,115.5 kHz/4.5 kHz
Sensitivity: MW: 26 V
LW: 45V (AEP, RU, UK model)
SW (EA model)
Tuning range:
SW1: 2,940 – 7,735 kHz
SW2: 9,500 – 18,135 kHz
(except for 10,140 – 11,575 kHz)
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency:
9,124.5 kHz or 9,115.5 kHz/4.5 kHz
Sensitivity: 26 μV
US, Canadian, E, Mexican, Argentina, Korean, Indian model
FM/AM COMPACT DISC PLAYER
FM/MW/LW COMPACT DISC PLAYER
FM/MW/SW COMPACT DISC PLAYER
US Model
CDX-GT40U/GT40UW
Canadian Model
CDX-GT40U
AEP Model
UK Model
CDX-GT40U/GT44U
E Model
CDX-GT45U
Russian Model
CDX-GT40U/GT42UE/GT47UE
Indian Model
CDX-GT44U
NEW
MG-101CA-188
DAX-25A
CD player section
Signal-to-noise ratio: 120 dB
Frequency response: 10 – 20,000 Hz
Wow and fl utter: Below measurable limit
USB Player section
Interface: USB (Full-speed)
Maximum current: 1 A
Power amplifi er section
Outputs: Speaker outputs
Speaker impedance: 4 – 8 ohms
Maximum power output:
US, CND, E, EA, MX, AR, KR, IND model:
52 W  4 (at 4 ohms)
AEP, RU, UK model: 45 W  4 (at 4 ohms)
– Continued on next page –
AEP, Russian, UK model
Saudi Arabia model