Read Sony MEX-1HD Service Manual online
MEX-1HD
30
30
6-4.
BLOCK DIAGRAM – POWER SUPPLY Section –
6
7
4
AMP+B
8 ANT+B
9 COM8V
11 FM8V
5 BU+B
VCC
90
XRST
86
HSTX
85
RAMBU
TUNON
83
PWON
STB
2
MODE2
3
MODE1
REGULATOR
IC201
CNJ201
(2/2)
COM8V
AMP REM
ANT REM
16
5
6
B+
ANT-R
D222
D221
AMP-R
ANT REM
AMP REM
D522
THP501
D521
D210
D852-1
D851-2
D851-1
D852-2
47
TEMP
BU5V
BU5.6V
TUN8V
TUN5V
+5V
REGULATOR
Q206
+5V
REGULATOR
Q204
+10V
REGULATOR
Q851
+3.3V
REGULATOR
IC3005
REGULATOR
CONTROL
Q852
SWITCHING
REGULATOR
IC800
RESET SIGNAL
GENERATOR
IC503
LED10V
D2, 3
ILL10V
DAC5V
DA5V
+9V
REGULATOR
IC401
114
MS_LED
57
DOOR_IND
60
TRAY_LED
77
BU_IN
B+ SWITCH
Q855
LED DRIVE
Q531
ILL_ON
B+ SWITCH
Q801, 802
BATTERY CHECK
Q231 – 233
FL_ON
TRAY
ILLUMINATION
D4203, 4204
LED DRIVE
Q529
MEMORY STICK SLOT
ILLUMINATION
D5
(TRAY)
LED DRIVE
Q530
FRONT
ILLUMINATION
D1
OPEN/CLOSE
Z
111
MOTOR_ON 101
+5V
REGULATOR
IC391
B+ SWITCH
Q372, 373
MOTOR+9V, DRV+9V
D3.3V (A3.3V)
TO FL900
FL+48V
INVERTER
TRANSFORMER
T800
SYSTEM CONTROLLER
IC501 (3/3)
D806
D231, 232
D804, 805
F (–) 1.0V
F (+) 4.3V
1
15
24
3 2
13 14
RUN/SS1
5 FREQ
RUN/SS2
SNS1–
SNS1+
SNS2–
SNS2+
BG1
BG2
SW1
SW2
TG1
TG2
5
6
7
8
4
1
23
26 27
2
19
17 16
SWITCHING
REGULATOR
IC701
D2
D2
D2
D1
D1
G1
S1
G2
5
6
7
8
4
1 2
D2
D2
D2
D1
D1
G1
S1
G2
LEVEL SHIFT
Q704, 707
LEVEL SHIFT
Q705
VOLTAGE DETECT
IC707
B+ SWITCH
Q710, 717
B+ SWITCH
Q853, 854
REGULATOR
ON/OFF
Q708
D1.9V
+1.9V
REGULATOR
IC702
REGULATOR
ON/OFF
Q3000
DSP1.8V
+1.8V
REGULATOR
IC3001
FL_3.3V
FLD_ON
FL_ON, ILL_ON,
FLD_ON
VOLTAGE DETECT
IC713
VOLTAGE DETECT
IC708
MS1.8V
+1.8V
REGULATOR
IC703
BATT
VOLTAGE DETECT
IC709
SWITCHING
IC712
LEVEL SHIFT
Q706, 713
D5V (A5V, S5V)
M501
(FAN)
(FAN)
SYS3.3V
VIN
DRIVER
IC705
DRIVER
IC704
D514
D511
D513
D512
SWITCHING
IC711
J
(Page 28)
FSW_IN
XPDOWN
MAIN_PON
FSW_SFT
120
MAIN_PON
FSW_IN
FSW_SFT
78
65
37
XPDOWN
MAIN_PON
FSW_IN
FSW_SFT
XPDOWN
M
RESET
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