HCD-GX355, HCD-GX555, HCD-RG270, HCD-RG475, HCD-RG575 - Sony Audio Service Manual (repair manual). Page 3

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3
HCD-GX355/GX555/RG270/RG475/RG575
1.
NEW/FORMER  TYPE  DISCRIMINATION
Method to Distinguished by Test Mode
New/former type can be distinguished in the version display mode
of the test mode.
Procedure:
1. Press the
I
/1
button to turn the power on.
2. Press three buttons of
x
, [ILLUMINATION] and [DISC 2]
simultaneously.
3. When this mode is activated, model and destination is displayed
on the fluorescent indicator tube.
4. Press the [DISPLAY] button to display software version and
year, month, day of the software creation display mode.
Former type : G01.08A:050225
New type
: G02.03A:050707
5. To release this mode, press three buttons of
x
, [ILLUMI
NATION] and [DISC 2] simultaneously.
Method to Distinguished by Serial No.
The set since serial No. of the following table is new type.
Ver. 1.4
Model
Destination
Serial No.
HCD-GX355
US
Since 8174583
Canadian
Since 4104151
HCD-GX555
US
Since 8175542
Canadian
Since 4102400
AEP
Since 5141136
UK
Since 6114646
East European
Since 7115807
HCD-RG270
Russian
Since 3168001
120V AC area in E
Since 4147253
Chilean and Peruvian
Since 9173098
AEP
Since 5109694
UK
Since 6108534
HCD-RG475
East European
Since 7107140
Russian
Since 3165831
HCD-RG575
120V AC area in E
Since 4137961
Chilean and Peruvian
Since 9166756
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