FUNAI 32" LCD TV/DVD, Service Manual

Page: 45 / 181

10-1
BLOCK DIAGRAMS
System Control Block Diagram
A94F0BLS
AC
18
KEY SWITCH
IC3301 (MAIN MICR
O CONTR
OLLER)
DIGIT
AL MAIN CB
A UNIT
IR SENSOR CB
A
FUNCTION CB
A
PO
WER SUPPL
Y CB
A
CL102B
*1 *2
*1
FOR 32" MODELS
*2
FOR 37" MODELS
CL101B
REMO
T
E
SENSOR
RS102
AL+3.3V
D104 PO
WER
ST
ANDBY
D105
D106
DV
D
LED1
44
CL102A CL103B
REMO
TE
22
P-ON-H1
55
CN303
CN4001
CN302
CN3702 CN3702
CN302
CLK
OUT
CLKIN
X3101
25MHz OSC
N1 N2
SCL SD
A
4 5
TU301
(TUNER UNIT)
TO INVER
TER
BLOCK DIA
GRAM
(CN1001)
TO PO
WER SUPPL
Y
BLOCK DIA
GRAM
D
VD-SCLK
D12 D11
F5
AB8 AB17
D
VD-CS
E12 AB14 C12
PR
O
TECT3
AE5
VCOM-PWM
AC
14
PR
O
TECT2
AD4
PR
O
TECT1
AD5
KEY
-IN1
AC
5
D
VD-LED
E5
KEY
-IN2
AD6
BA
CKLIGHT
-SW
AB16
LED1
F1
E1 E2
P-ON-H2
AB13
REMO
TE
R22
P-ON-H1
PR
O
TECT2
PR
O
TECT1
P-ON-H2 P-ON-H1
R23
JUNCTION CB
A
CN101
KEY
-IN1
66
CL103C
KEY SWITCH
KEY
-IN1
33
KEY
-IN2
44
CN201
CN101
CN301
Q171
Q4001
Q172
CN3701
AB23
BA
CKLIGHT
-ADJ
IC3101
(MEMOR
Y)
SCK
SI
SO
AB25 AB24 AC
25
AC
24
6 5 2 1
E11
3
AC
19
SCL SD
A
CN303
CN4001
CN401
CN901
CN601
CN902
CN301
CN3701
TO D
VD SYSTEM
CONTR
OL / SER
V
O
BLOCK DIA
GRAM
D
VD MAIN CB
A UNIT
CS
WP
SCK SIN SOUT CS WP
KEY
-IN2
77
D
V
D-LED
88
D
VD-SD
A
T
A
U23
LED-CONT
D
V
D-P-ON
D
V
D-REMO
T
E
D
VD-DISC-IN
D
VD-DISC-OUT
D
VD-A
UDIO-MUTE
D
VD-SCLK
D
VD-CS
D
VD-SD
A
T
A
D
VD-P-ON
D
VD-REMO
T
E
D
VD-DISC-IN
D
VD-DISC-OUT
D
VD-A
UDIO-MUTE
B
UFFER
IC201
,Q203,
Q204,Q205
[32MD359B/F7 (Serial No.:
DS1A**********),
LD320SS1] [LD320SSX,
37MD359B/F7,
LD370SSX,
32MD359B/F7 (Serial No.:
DS2A**********)
32MD350B/F7,
37MD350B/F7]
DRIVE
6
6
D
VD-P-ON
16
16
LED-CONT
7
7
D
VD-REMO
T
E
8
8
D
VD-SD
A
T
A
13
13
D
VD-SCLK
11
11
D
VD-CS
9
9
D
VD-DISC-IN
15
15
D
V
D-DISC-OUT
25
25
D
V
D-A
U
DIO-MUTE
AB10
D
VD-MAIN-PWR
5
5
D
V
D-MAIN-PWR
22
22
SCL
21
21
SD
A
11
11
PR
O
T
ECT1
15
15
PR
O
T
ECT2
5
5
PR
O
TECT3
29
29
VCOM-PWM
26
26
BA
CKLIGHT
-SW
28
28
BA
CKLIGHT
-ADJ
KEY
-IN1
29
29
P-ON-H1
99 REMO
T
E
25
25
LED1
27
27
P-ON-H2
11 KEY
-IN2
22
D
V
D-LED
33
LED1
44 REMO
TE
22
P-ON-H1
55 KEY
-IN1
66
KEY
-IN2
77
D
V
D-LED
88
6
PR
O
TECT3
5
BA
CKLIGHT
-SW
4
BA
CKLIGHT
-ADJ
14
VCOM
26
26
D
V
D-P-ON
LED-CONT
2
2
LED-CONT
25
25
D
V
D-REMO
TE
24
24
D
V
D-SD
A
T
A
21
21
D
V
D-SCLK
22
22
D
V
D-CS
23
23
D
V
D-DISC-IN
3
3
D
V
D-DISC-OUT
10
13
D
V
D-A
UDIO-MUTE
D
V
D-MAIN-PWR
T
O
D
VD DIGIT
AL
SIGNAL PR
OCESS
BLOCK DIA
GRAM
TO
A
U
D
IO
BLOCK DIA
GRAM
A
U
DIO-MUTE
INPUT0 INPUT1
U6 V6
SHD-SPD-EN D
V
D-SPD-EN
A
UDIO-MUTE
INPUT0 INPUT1 SHD-SPD-EN D
V
D-SPD-EN
AB9
SCL SD
A
9 8
TU301
(TUNER UNIT)