KV-21XE42C - Sony TV Service Manual (repair manual). Page 27

IC301, IC521, IC602, D572,
D573, D574, DY, C511,C574
C575, R578, R582, R583, R584,
R585, R586, R625, R626, R634,
R635,T504 (FBT)

IC001, IC602, R030,
R626, R632, R633, R635,
R636, R637, R638, R639

Part replaced (

]

)

•    All voltages are in V.
•      Voltage is DC with respect to ground unless otherwise
     noted.
•    Readings are taken with a 10M

Ω

 digital multimeter.

•    Readings are taken with a color-bar signal input.
•    Voltage variations may be noted due to normal produc-
     tion tolerance.
•    Circled numbers are waveform references.

• 

         :  B + Line

• 

         :  B - Line

•        

 

m

  

:  signal path

RESISTOR : RN 

METAL FILM

: RC SOLID
: FPRD  NON FLAMMABLE CARBON
: FUSE  NON FLAMMABLE FUSIBLE
: RW 

NON FLAMMABLE WIREWOUND

: RS 

NON FLAMMABLE METAL OXIDE

: RB 

NON FLAMMABLE CEMENT

: ADJUSTMENT 

RESISTOR

  COIL  : LF-8L  MICRO INDUCTOR
  CAPACITOR : TA TANTALUM

: PS STYROL
: PP POLYPROPYLENE
: PT MYLAR
: MPS METALIZED 

POLYESTER

: MPP METALIZED 

POLYPROPYLENE

: ALB BIPOLAR
: ALT HIGH 

TEMPERATURE

: ALR HIGH 

RIPPLE

      Pitch:  5mm
      Rating electrical power 1/4W

•  All resistors are in ohms.

   K

Ω

=1000

Ω

, M

Ω

=1000K

Ω

•  

f

 nonflammable resistor.

•   

∆

:  

internal component.

•   

p

:  panel designation and adjustment for repair.

•  All variable and adjustable resistors have charac-
    teristic curve B, unless otherwise noted.

•  The components identified by 

]

 in this manual have

   been carefully factory-selected for each set in order to
   satisfy regulations regarding X-ray radiation.  Should
   replacement be required, replace only with the value
   originally used.

•  When replacing components identified by

]

 make the

   necessary adjustments indicated.  If  results do not
   meet the specified value, change the component
   identified by 

[

  and repeat the adjustment until the

   specified value is achieved.
   (Refer to R582 on page 21 & 22).

•  When replacing parts in the table below be sure to
    perform the related adjustment.

Note:
•

   

All capacitors are in 

µ

F unless otherwise noted.

    pF: 

µµ

F 50WV or less are not indicated except

    for electrolytic and tantalums.
•   All electrolytics are 50V unless otherwise specified
•  Indication of resistance, which does not have one for
   rating electrical power, is as follows:

Adjustment (

[

)

HV HOLD-DOWN
       (R582)

B+ VOLTAGE
CONFIRMATION

G

¡

¡

¡

¡

¡ 

G 

870 Block Diagram.p65 6/10/99, 10:28 AM

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