37
37
HCD-LF1
HCD-LF1
— MAIN SECTION —
: VIDEO
: COMPONENT VIDEO
• SIGNAL PATH
: Y
: R.G.B
: CHROMA
CR/B
V
C
Y/G
CB/B
CR/R
I/P SW
WIDE
IC201
VIDEO AMP
IC901
+12V REG
IC401
TOUCH KEY DRIVER
IC301 (2/2)
SYSTEM CONTROLLER
D+5V
S401
X401
12MHz
TOUCH
KEY
KEY 0 - 6
44, 46, 48,
2, 8, 10, 14
50 - 52
31 - 29
53 - 56
28 - 28
IC302
BUFFER
Q301
RESET
24 VH (35V)
19 SDI
20 CLK
21 LAT
22 BK
X301
20MHz
?/1
S402
Z
S301
AC-DET
(TEST MODE)
+5V
UCOM -DO
UCOM -DI
P.CONT1
A.MCON RESET
SIRCS
Q304, 305
SWITCH
TO SA-WSLF1
(SYSTEM CONNECTOR)
CB/R
Y/G
C/CUBS
TO SA-WSLF1
(SYSTEM CONNECTOR)
FLG401
(FLUORESCENT INDICATOR TUBE)
VF1
28, 29
D464
VF2
32, 33
Q464
LED DRIVER
Q003-Q005
SWITCH
Q306
Q901
REG CONT
INVERTER
+12V
D.C.S
D463
Q463
LED DRIVER
;
PRO LOGIC
D462
Q462
LED DRIVER
DTS
D461
Q461
LED DRIVER
;
DIGITAL
D472
Q472
LED DRIVER
DISC
D471
SYS.RESET
M REQ
IIC-CLK
IIC-DATA
D-FIL-SELEXT
D-FIL-INIT
SW 1
Q302, 303, 307
LED DRIVER
?/1
RECT
D451 - D454
Q451, 452
OSC
6.5V
6
5
7
Q308, 309
SWITCH
T451
DC/DC CONVERTER
IC101
AMP
FRONT-L
FRONT-R
FRONT-L
FRONT-R
3
2
1
8
6
5
7
IC102
AMP
SURROUND-L
SURROUND-R
SURROUND-L
TO
SA-WSLF1
(SYSTEM CONNECTOR)
SURROUND-R
3
2
1
8
6
5
7
IC103
AMP
CENTER
SW(LFE)
A+5V
+10V
CENTER
SW(LFE)
3
2
1
8
TO
SA-WSLF1
(SYSTEM CONNECTOR)
A+5V
+3.3V
+5V
6.5V
D+5V
D+3.3V
+2.5V
+1.8V
+3.3V
+3.3V
+15V
GND
IC902
+6.5V REG
Q911
REG CONT
IC903
+3.3V REG
Q921
REG CONT
Q401,402
FAN
DRIVE
FAN
TH401
+12V