Sony MCE-SV7 / MHC-SV7AV Service Manual ▷ View online
MCE-SV7
16
16
6-5.
PRINTED WIRING BOARD – BD Section –
•
See page 15 for Circuit Boards Location.
IC101
IC104
IC103
IC106
IC102
VMP
BOARD
CN501
(A-MAX.3)
25
A
TP (DVC)
TP
(VC)
TP (FEI)
TP (TEO)
TP (RFDC)
TP (XPCK)
TP (RFAC)
TP (FEO)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
13
• Semiconductor
Location
Ref. No.
Location
D101
F-10
IC101
E-10
IC102
B-11
IC103
E-8
IC106
H-11
Q101
F-8
Q103
G-10
(Page 20)
There are a few cases that the part printed on
this diagram isn’t mounted in this model.
this diagram isn’t mounted in this model.
MCE-SV7
17
17
6-6.
SCHEMATIC DIAGRAM – BD Section –
•
See page 28 for Waveforms.
•
See page 29 for IC Block Diagrams.
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
3.2
IC 106
VMP
BOARD (1/3)
CN501
A
OSC BUFFER
Q103
2SD1664
+3.3V
REGULATOR
DIGITAL SIGNAL PROCESSOR,
DIGITAL SERVO PROCESSOR
IC101
CXD3068Q
TP
(TEO)
TP
(FEO)
TP (DVC)
TP (RFDC)
TP
(FEI)
TP (RFAC)
TP
(VC)
RF AMP,
FOCUS/TRACKING ERROR AMP
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
Q101
AUTOMATIC
POWER CONTROL
Q101
2SB710A
M102
(SLED)
M101
(SPINDLE)
TP
(XPCK)
(Page 21)
MCE-SV7
18
18
6-7.
PRINTED WIRING BOARDS – CD CHANGER Section –
•
See page 15 for Circuit Boards Location.
MAIN
BOARD
NO202
1
5
C
(Page 24)
MCE-SV7
19
19
6-8.
SCHEMATIC DIAGRAM – CD CHANGER Section –
•
See page 29 for IC Block Diagram.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : CD STOP
no mark : CD STOP
C
MAIN
BOARD
NO202
IC731
SUB TRAY1
HEIGHT SENSOR
IC732
SUB TRAY2
HEIGHT SENSOR
IC733
SUB TRAY3
HEIGHT SENSOR
IC751
DISC IN
DETECT
DETECT
RPI-321
RPI-321
RPI-321
(Page 25)
Ver 1.1
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