![background image](http://html.mh-extra.com/html/sony/mhc-v50/mhc-v50_service-manual_1330113037.webp)
MHC-V50/V50D
MHC-V50/V50D
37
37
6-5. BLOCK DIAGRAM - PANEL/POWER SUPPLY Section -
REMOTE CONTROL
RECEIVER
IC2200
135
1
SIRCS
VO
SYSTEM CONTROLLER
IC109 (5/5)
118
PCONT-DAMP
C-CONT
ST-CE
MTK-POWER-CTRL
79
55
6
SPM-C-MON
VBUS-OE/SD_WP_0
PCONT-BTSTBY
76
RES
60
59
44
PCONT-PSAVE-
PROTECT
63
AC-CUT(MD-BOOT0)
118
PCONT-DAMP
POWER-KEY
83
MASTER-VOLUME/
MIC-VOLUME
175
176
SWC+13V_OC/
LCD-BCKLED/INHB
4 FL_SOUT/LCD-SDA
INHB
SDA
SCL
CSB
2 FL_CLK/LCD-CLK
LCD-CSB
PROTECTION CONTROL
Q576
S1252
PROTECTION CONTROL
Q575
PROTECTION CONTROL
Q574
PROTECTION CONTROL
Q572
VOLUME / DJ CONTROL
EN1251
D3200
LED DRIVER
Q3200
PROTECTION CONTROL
Q571
SPM-AMBIENT-TEMP 80
THERMOSTAT
TH571
E +1.2V
+1.2V
DVDD +3.3V
E +3.3V
D +3.3V
+V1
+5V/ +5.2V REG.
IC001
3
1
SW1
14 SW2
5 EN1
12 EN2
VIN1
USB +5V
M +5.2V
FE_5.2V_M
FE_5.2V_TRAY
16
VIN2
+3.3V/ +1.2V REG.
IC009
3
1
SW1
14 SW2
VIN1
5
EN1
12
EN2
16
VIN2
+12V REG.
IC2000
1
8
VO
VCC
5
EN
+12V
ACDD +9V
SW +13V
AVDD +5V
AVDD +3.3V
+3.3V
+3.3V
DVDD +5V
POWER CONTROL
PROTECTION
Q009
POWER CONTROL
PROTECTION
Q008
POWER CONTROL
PROTECTION
Q459
POWER CONTROL
PROTECTION
Q457
POWER CONTROL
PROTECTION
Q004
POWER CONTROL
PROTECTION
Q461
POWER CONTROL
PROTECTION
Q007
POWER CONTROL
PROTECTION
Q006
POWER CONTROL
PROTECTION
Q011
POWER CONTROL
PROTECTION
Q012
POWER CONTROL
PROTECTION
Q005
+9V REG.
IC004
+5V REG.
IC006
+3.3V REG.
IC903
+3.3V REG.
IC008
+3.3V REG.
IC305
+1.2V REG.
IC303
LIQUID CRYSTAL
DISPLAY
ND3200
LIQUID CRYSTAL
DISPLAY DRIVER
IC3204
BUS BUFFER
IC3209
BUS BUFFER
IC3207
BUS BUFFER
IC3208
BUS BUFFER
IC3206
13
10
9
8
14 - 48
SEG0
I
SEG32
51 - 52, 1 - 2
COM0
I
COM3
4
33
+V1
+13V
AC-DET
MAIN ON
(AC IN)
AC CUT SWITCH
Q107
BUS BUFFER
IC102 (2/2)
11 4Y
12
4A
VOLTAGE DETECTOR
IC103
4 VOUT
2
VDD
122
112
SMPS
NO002
1