SRS-BT100, SRS-BT100IK - Sony Audio Service Manual (repair manual). Page 7

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SRS-BT100/BT100iK
7
SECTION  4
DIAGRAMS
For Schematic Diagrams.
Note:
•  All capacitors are in μF unless otherwise noted.  (p: pF)
  50 WV or less are not indicated except for electrolytics 
and tantalums.
•  All resistors are in 
Ω and 
1
/
4
 W or less unless otherwise 
specifi ed.
•  C : panel designation.
THIS  NOTE  IS  COMMON  FOR  PRINTED  WIRING  BOARDS  AND  SCHEMATIC  DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
•  A  : B+ Line.
•  Power voltage is dc 12V and fed with regulated dc power 
supply from J901 on the MAIN board.
•  Voltages are dc with respect to ground under no-signal 
conditions.
  no mark : POWER ON
•  Voltages are taken with VOM (Input impedance 10 M
Ω).
  Voltage variations may be noted due to normal production 
tolerances.
•  Signal path.
  F 
 : AUDIO
  E 
 : BLUETOOTH
For Printed Wiring Boards.
Note:
•  Y  : Parts extracted from the conductor side.
• 
 : Pattern from the side which enables seeing.
  (The other layers' patterns are not indicated.)
Caution:
Parts face side:
(Conductor side)
Pattern face side: 
(Component side)
Parts on the parts face side seen from   
the pattern face are indicated.
Parts on the pattern face side seen from   
the parts face are indicated.
Note: The components identifi ed by mark 0 or dotted 
line with mark 0 are critical for safety. 
 
Replace only with part number specifi ed.
•  IC Block Diagrams
– MAIN Board –
IC151  PST3616UL
+
Vref
1
GND
2
VDD
4 OUT
3 CD
IC201   MM1571JNLE
1
VIN
2
GND
3
CONT
4 NOISE
5 VOUT
DRIVER
CURRENT
LIMITTER
THERMAL
SHUTDOWN
BIAS
REFERENCE
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