MHC-V83D
MHC-V83D
40
Sony CONFIDENTIAL
For Authorized Servicer
• Circuit Boards Location
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 and
1
/4 W or less unless otherwise specifi ed.
•
f
: Internal component.
• 2 : Nonfl 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.
• Voltages 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 VOM (Input impedance 10 M).
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.
F : AUDIO
f : TUNER (FM)
L : CD PLAY
E : VIDEO
d : USB
J : AUDIO DIGITAL
N : MIC
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.)
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.
• MOTHERBOARD board is multi-layer printed board. However,
the patterns of intermediate layers have not been included in
diagrams.
• Indication of transistor.
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.
C
B
These are omitted.
E
Q
D
G
These are omitted.
S
Q
B
These are omitted.
CE
Q
B
These are omitted.
CE
Q
Note 1: When the MS-476 board is defective, exchange
the entire LOADING COMPLETE ASSY (T).
Note 2: When the SENSOR board is defective, exchange
the TOP PANEL ASSY SERVICE (V83D).
Note 3: When the MOTHERBOARD mounted pc board
is replaced, be sure to refer to “DESTINATION
SETTING METHOD” on page 6.
MS-476 board
EXTENSION board
MID LED board
MID LED board
LED HUB board
MIC-USB board
DAB board
(AEP)
NFC board
MOTHERBOARD board
IR board
POWER-KEY board
SMPS board
SENSOR board
VFD board
PARTY LED-LR board
PARTY LED-LR board
PARTY RGB-FR board
HORN LED board
HORN LED board
SW LED-L board
SW LED-R board
PARTY RGB-BK board
SYSSET
2020/06/2222:32:42(GMT+09:00)