XAV-7W
24
24
6-4.
BLOCK DIAGRAM – POWER SUPPLY Section –
22
CN2 (7/7)
L
(Page 23)
MASTER
CONTROLLER
IC703 (4/4)
BATT
16
SYSB+
BU +5V
ILL ON 112
DDC-ON 57
+5V
REGULATOR
Q809, 810
SYSPW
F1, 101
+9V
(LED/SW9V)
F2
+9V
(M9V)
+5V
(M5V)
52
LCDPW
DIMMER
POWER CONTROL
(FOR MOINTOR SYSTEM)
IC900
CT
RT
VREF
–IN1
VCC1
OUT1
16 17
46
19
6
18
REFERENCE
VOLTAGE
OUTPUT
CIRCUIT
PWM
COMPARATOR
+IN1
+IN4
7
30
–IN4
DTC4
OUT4
39
31
33
OUTPUT
CIRCUIT
PWM
COMPARATOR
ERROR
AMP
+IN3
–IN3
CTL1
CTL2
CTL3
OUT3
40
25
26
20
21
22
OUTPUT
CIRCUIT
OSC
PWM
COMPARATOR
ERROR
AMP
ERROR
AMP
SWITCHING
REGULATOR
Q900
+5.1V
(M5V)
POWER ON
RESET
Q963, 964
DIMMER
MUTING SWITCH
Q260, 264
ON SCREEN DISPLAY
CONTROL
Q262, 263
Q611
51
SW
G
(Page 22)
SYSRST
A
(Page 21)
RESET
L901
SWITCHING
REGULATOR
Q608
L602
OSC
Q609, 610
INVERTER
VOLTAGE
RV602
BACK LIGHT
UNIT
T601
INVERTER
TRANSFORMER
SWITCHING
REGULATOR
Q501
L510
T501
DC/DC
CONVERTER
D502
D503
D505
D506
7.5V
RV501
–16V (MONITOR –16V)
–5V (MONITOR –5V)
+7.5V (M7.5V)
+13V (M13V)
Q611, 612
DIMMER CONTROL
Q612
RV503
5V
RV900
DC/DC FREQUENCY
DISPLAY CONTROLLER
IC900 (2/2)
SYSTEM B+
SWITCH
Q1, 2
REGULATOR
CONTROL SWITCH
Q811
LSW965 – 967
SWITCHING
REGULATOR
Q861, 862-2
SWITCHING
REGULATOR
Q860, 862-1
F201
AUDIO
+10V
D +5V
65
37
OUTPUT
CIRCUIT
PWM
COMPARATOR
PWM
COMPARATOR
OUTPUT
CIRCUIT
ERROR
AMP
ERROR
AMP
OSC
14
3
2
10
7
9
F901
OSC
SWITCH
Q802
POWER CONTROL
IC860
PWM
SHIFT
NINV
IN2
NINV
IN1
RT
OUT2
VCC
OUT1
D800
SYSTEM B+
SWITCH
Q3, 4
AUDIO +8V
+8V
REGULATOR
IC304
+3.3V B+
+3.3V
REGULATOR
IC12
+5V
REGULATOR
Q13
TU +8.5V
TU +5V
+9V
REGULATOR
IC355
+5V
REGULATOR
Q720
D110 – 112,
SW106, 108
+9V
REGULATOR
IC356
D910
D912
BACK-UP B+
TH901
TH900
AMP REM
ANT REM
6
5
ANTENNA REMOTE
B+ SWITCH
Q900-1, 901-1
AMP REMOTE
B+ SWITCH
Q900-2, 902-2
CN901 (2/2)
+8.5V
REGULATOR
IC13
B+ SWITCH
Q908
ILL B+
D106, 107,
SW101 – 105, 107
LED DRIVE
Q101, 102
KEY ILL 60
+9V
REGULATOR
IC701
114
TUNER-ON
83
P-ON
90
86
85
SW960
(RESET)
RESET SIGNAL
GENERATOR
IC704
RSTX
HSTX
RAM-BU
RESET SIGNAL GENERATOR
(FOR INTERNAL RAM)
IC705
81
BUFFER
IC901
D701
(2/2)
SYSRST
CONNECTION
BOX
Summary of Contents for XA-V7W
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