Sony LBT-A57CD - Page 83

IC Block Diagrams
1C21 LA1851N
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PHASE
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DETECTOR
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PUMP. ig, WAT BIT DIVIDER
SHIFT REGISTER
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REF
DIVIDER
Note on Schematic Diagram:
All capacitors are in uF unless otherwise noted. pF: yuF
SOWV or less are not indicated except for electrolytics
and tantalums,
© All resistors are in @ and '/:W or less unless otherwise
specified.
7 A
. &
Note:
The
components
identified
by
mark
/\
or
dotted
ine
with
mark
A\
are
critical
for
safety.
Replace
only
with
part
number
specified.
internal component.
nonflammable resistor.
© [771 adjustment for repair,
UNIVERSAL
counter
© Voltage and waveforms are de with respect to ground
under no-ignal (detuned) conditions,
no mark : FM
( M or MW
< >: LW
Voltages are taken with a VOM (Input Impedance 10M@).
Voltage variations may be noted due to normal produc-
tion tolerances.
© Signal path.
> :FM
©G : German model EA : Saudi Arabia model
elT : Italian model *MY : Malaysia model
EE : East European model © SP_ : Singapore model
AUS: Australian model °JE : Tourist model
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