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ZS-BTY50/BTY52/BTY55
4
SECTION 1
SERVICING NOTES
UNLEADED SOLDER
Boards requiring use of unleaded solder are printed with the lead-
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with
Boards requiring use of unleaded solder are printed with the lead-
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with
the lead free mark due to their particular size)
: LEAD FREE MARK
Unleaded solder has the following characteristics.
• Unleaded solder melts at a temperature about 40 °C higher
• Unleaded solder melts at a temperature about 40 °C higher
than ordinary solder.
Ordinary soldering irons can be used but the iron tip has to be
applied to the solder joint for a slightly longer time.
applied to the solder joint for a slightly longer time.
Soldering irons using a temperature regulator should be set to
about 350 °C.
Caution: The printed pattern (copper foil) may peel away if
about 350 °C.
Caution: The printed pattern (copper foil) may peel away if
the heated tip is applied for too long, so be careful!
• Strong
viscosity
Unleaded solder is more viscous (sticky, less prone to fl ow)
than ordinary solder so use caution not to let solder bridges
occur such as on IC pins, etc.
than ordinary solder so use caution not to let solder bridges
occur such as on IC pins, etc.
•
Usable with ordinary solder
It is best to use only unleaded solder but unleaded solder may
also be added to ordinary solder.
also be added to ordinary solder.
NOTE OF REPLACING THE IC801 ON THE MAIN
BOARD
IC801 on the MAIN board cannot exchange with single. When this
part is damaged, exchange the complete mounted board.
BOARD
IC801 on the MAIN board cannot exchange with single. When this
part is damaged, exchange the complete mounted board.
NOTE OF REPLACING THE IC001 ON THE TUNER
BOARD
IC001 on the TUNER board cannot exchange with single. When
this part is damaged, exchange the complete mounted board.
BOARD
IC001 on the TUNER board cannot exchange with single. When
this part is damaged, exchange the complete mounted board.
NOTE OF REPLACING THE RV1001 AND RV1002 ON
THE CHARGE BOARD (BTY55 only)
RV1001 and RV1002 on the CHARGE board cannot exchange
with single. When these parts are damaged, exchange the complete
mounted board.
THE CHARGE BOARD (BTY55 only)
RV1001 and RV1002 on the CHARGE board cannot exchange
with single. When these parts are damaged, exchange the complete
mounted board.
• COLOR VARIATIONS
MODEL IDENTIFICATION
Distinguish the destination by referring to the model number label.
Distinguish the destination by referring to the model number label.
– Rear side view –
Part No.
Model number label
Model
Part No.
BTY50: US model
4-439-744-0[]
BTY50: Canadian model
4-439-745-0[]
BTY52: AEP and UK models
4-439-746-0[]
BTY52: Taiwan model
4-439-747-0[]
BTY52: East European model
4-439-748-0[]
BTY52: Singapore model
4-439-749-0[]
BTY52: Australian model
4-439-750-0[]
BTY52: 120V AC area in E model
4-439-751-0[]
BTY52: 230V AC area in E model
4-439-752-0[]
BTY52: Thai model
4-466-776-0[]
BTY55: Mexican model
No Label
Color
(B) Black
(B) Black
(R) Red
Image
ZS-BTY50
US, CND
−
−
ZS-BTY52
AEP, EE, UK, AUS, SP, TW, TH
E41, E92
AUS, SP
ZS-BTY55
−
MX
MX
• Abbreviation
AUS :
AUS :
Australian
model
CND : Canadian model
E41
E41
: 230V AC area in E model
E92
: 120V AC area in E model
EE
: East European model
MX
: Mexican model
SP
: Singapore model
TH :
Thai
model
TW :
Taiwan
model
Ver. 1.2
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