Sony MHC-V42D - Page 38

MHC-V42D
MHC-V42D
3838
Caution:
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Parts on the pattern face side seen from
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
Note on Schematic Diagram:
• AllcapacitorsareinµFunlessotherwisenoted.(p:pF)
50 V or less are not indicated except for electrolytics
and tantalums.
• AllresistorsareinΩ and
1
/4 W or less unless otherwise
 specied.
• f : Internal component.
•
2
:Nonammableresistor.
•
5
:Fusibleresistor.
• C : Panel designation.
• Note for Printed Wiring Boards and Schematic Diagrams
• A : B+ Line.
• B : B– Line.
• H : Adjustment for repair.
• Voltageandwaveformsaredcwithrespecttoground
under no-signal (detuned) conditions.
no mark: TUNER
( ): CD PLAY
{ }: DVD PLAY
[ ]: USB
< >: Bluetooth
*:Impossibletomeasure
• VoltagesaretakenwithaVOM(Inputimpedance10MΩ).
 Voltagevariationsmaybenotedduetonormalproduction
tolerances.
• Waveformsaretakenwithaoscilloscope.
 Voltagevariationsmaybenotedduetonormalproduction
tolerances.
• Circlednumbersrefertowaveforms.
• Signalpath.
c : DVD PLAY
J : AUDIO (DIGITAL)
F : AUDIO (ANALOG)
N : MIC
f : TUNER (FM)
a : BLUETOOTH
L : VIDEO
E : USB
Note on Printed Wiring Board:
• X : parts extracted from the component side.
•  :partsextractedfromtheconductorside.
•
:Patternfromthesidewhichenablesseeing.
(The other layer’s patterns are not indicated.)
C
B
These are omitted.
E
Q
• Indication of transistor.
D
G
These are omitted.
S
Q
B
These are omitted.
C E
Q
B
These are omitted.
C E
Q
Note 2: When the MS-476boardis defective,exchange
the entire CDM90 ASSY.
Note 3: When the MOTHERBOARD mounted pc board
is replaced, be sure to refer to “DESTINATION
SETTING METHOD” on page 5.
Note 1: W h e n  t h e  M O T H E R B O A R D  b o a r d  i s
replaced, spread the compound referring to
“ NOTE  O F  R E P L A C I NG T H E  I C 2 0 0 2  O N
T H E M O T H E R B O A R D B O A R D A N D T H E
MOTHERBOARD MOUNTED PC BOARD” on
servicing notes (page 6).
Note: The components identied by mark 0 or
dotted line with mark 0 are critical for safety.
 Replaceonlywithpartnumberspecied.
• Circuit Boards Location
• MOTHERBOARDboardismultilayerprintedboard.
However, the patterns of intermediate layers have not
beenincludedindiagrams.
PANEL board
(EXCEPT MY, E12),
PANEL (PANA) board
(MY, E12)
GESTURE board
MIC board
(AR, TH, E12, LA9),
MIC (EMC) board
(AEP, UK, RU, MY, AUS, E4, E93)
NFC board
MOTHERBOARD board
SMPS board
(AR, TH, E12, LA9),
SMPS (EMC) board
(AEP, UK, RU, MY, AUS, E4, E93)
FL PARTY board
FR PARTY board
SW LED board
IR board
MS-476 board
SYSSET
2019/03/0500:47:46(GMT+09:00)