![background image](http://html.mh-extra.com/html/sony/mhc-v41d/mhc-v41d_service-manual_1330106041.webp)
MHC-V41D
41
3. MOTHER Board Mount Diagnosis Flow (Except Ampli
fi
er)
CN001:
pin 1, (13V/+16V)
pin 3, 4 (M/D_+13V/+16V)
Standby
Demo mode
Power on
17.4 V ± 5 %
17.4 V ± 5 %
17.4 V ± 5 %
IC001
5 V
Pin name
Voltage
IC
Pin number
Test point
SW1
3
JL069
PGND1
4
5.2 V
SW2
14
JL070
PGND2
13
IC009
1.2 V
SW1
3
JL072
PGND1
4
3.3 V
SW2
14
JL071
PGND2
13
IC008
12 V
VOUT
2
JL073
GND
3
IC004
9 V
VOUT
2
JL047
GND
3
IC006
5 V
VOUT
2
JL048
GND
3
IC002
12 V
OUT
1
JL137
GND
3
IC1000
5 V
VOUT
4
JL1003
GND
2
IC305
3.3 V
VOUT
3
CL395
GND
2
Connect the power supply cord.
The voltage of the following is outputted.
No
Check the connection of connector
(CN001). When there is not problem to
the connection, check the SMPS board.
Yes
The voltage of the following is outputted between the each terminal of IC.
No
When there is problem, replace the
problematic IC.
Yes
End
Содержание MHC-V41D
Страница 71: ...MEMO MHC V41D 71 ...