Service manual

11-4
82
R304
LK1608R22KT
L302
47P
C310
47P
C311
LK1608R22KT
L303
330/10V
C303
0 R302
0 R303
9 DVD-DISC-IN
14 GND
2 KEY-IN2
8 DVD-SDATA
22 DVD-Y
12 GND
18 DVD-Pr
7 DVD-REMOTE
21 GND
15 DVD-DISC-OUT
5 DVD-MAIN-PWR
11 DVD-CS
20 DVD-Pb
17 GND
19 GND
13 DVD-SCLK
10 GND
CN303
1 GND
4 P-ON-H3(NU)
16 LED-CONT
23 GND
6 DVD-P-ON
3 DVD-LED
24 DVD-AUDIO(L)
25 DVD-AUDIO-MUTE
26 DVD-AUDIO(R)
27 GND
28 DVD-SPDIF
29 GND
23 DVD-DISC-IN
3 DVD-DISC-OUT
19 GND
21 DVD-SCLK
5 EV+1.2V
11 EV+9V
CN901
1 AL+3.3V
8 EV+3.3V
20 PWRCON(NU)
17 GND
9 DVD-ON+3.3V
6 EV+3.3V
26 DVD-P-ON
2 LED-CONT
13 GND
7 EV+3.3V
22 DVD-CS
14 GND
16 GND
15 GND
24 DVD-SDATA
25 DVD-REMOTE
18 GND
12 EV+9V
4 EV+1.2V
10 DVD-ON+5V
6 GND
CN902
13 DVD-Pr
4 DVD-AUDIO-MUTE
3 DVD-AUDIO(R)
11 DVD-Pb
8 GND
1 DVD-SPDIF
10 GND
9 DVD-Y
12 GND
7 GND
2 GND
5 DVD-AUDIO(L)
OPEN
R901
OPEN
R902
OPEN
R903
VOUT GND VIN
123
AP1117TG-U/TO-220
IC901
0.3
R911
0.3
R910
1000/6.3V
C916
3.9
/1/2W
R913
2.7
/1/2W
R914
Q901
2SA950-Y
10K
R918
KTC3199-GR-AT/P
Q902
390
R917
1K
R912
10K
R916
10K
R915
2SC2120-Y
Q903
150
R919
3.3K
R920
10K
R921
22
R922
D905
KIA431-AT/P
5.6
R925
5.6
R924
220
R923
KTC3199-GR-AT/P
Q904
100/10V
C918
470
R926
10
R927
3V9BSB-T26
D906
180
R928
22/50V
C919
1.2
R929
100
R909
KEY-IN2
DVD-LED
GND
VCC
IC902
NJM4558M(TE1)
1234
5678
10K
R943
1
C924
100K
R941
100K
R942
10K
R936
100K
R931
100K
R933
1
C922
100/16V
C928
WIRE
L901
1SS133
D907
TU301 TUNER UNIT
12
DIF-OUT1
13
DIF-OUT2
14
IF-AGC
15
+5V
16
NU
17
NU
18
NU
19
NU
1
NU
2
NU
3
NU
4
+5V
5
NU
6
+32V
7
GND
8
SDA
11
NU
9
SCL
10
NU
TU302 TUNER UNIT
1
NU
2
NU
3
NU
4
SCL
5
SDA
6
+32V
7
+5V
8
NU
11
DIF-OUT1
9
IF-AGC
10
DIF-OUT2
220/6.3V
C917
WF13
WF10
WF9
WF8
WF11
WF12
OPEN
C904
OPEN
C903
OPEN
C902
OPEN
C901
OPEN
C905
0.1
C915
0.1
C912
PROTECT1
0.1
C914
0.1
C911
OPEN
C908
OPEN
C909
1SS133
D415
OPEN
D904
0.1
C302
0
R313
OPEN
R306
0.1
C920
OPEN
C913
270P
C923
10K
R935
1000P
C926
10K
R940
270P
C925
1000P
C927
10K
R904
KTC3199-GR-AT/P
Q906
2.2K
R907
390P
C906
10K
R905
KTC3199-GR-AT/P
Q907
390P
C907
2.2K
R908
0
BC902
0.1
C929
BK1608HS601-T
BC901
GND 14
GND 9
S-VIDEO-SW 5
GND 18
IF-AGC 24
GND 27
S-VIDEO-Y-IN 8
AUDIO(R) 11
RESET 23
DIF-OUT1 26
SDA 21
SPDIF 2
S-VIDEO-C-IN 6
SCL 22
AUDIO(L) 13
GND 1
VIDEO-IN 4
DIF-OUT2 28
COM-VIDEO-Pr-IN 19
GND 7
COM-VIDEO-Pb-IN 17
GND 3
INPUT0 12
AUDIO-MUTE 20
CN302
KEY-IN1 29
GND 25
INPUT1 10
GND 16
COM-VIDEO-Y-IN 15
KEY-IN1
OPEN
R307
TUNER+5V
DVD+5V
VCOM-PWM
TU-VT+31V
P-ON+9V
RESET
VCOM
P-ON+5V
AL+3.3V
82
R305
JS303
OPEN
1000P
C309
JS306
5V6BSB-T26
D303
0.1
C301
JS305
JS308
OPEN
BC301
BK1608HS601-T
0.1
C304
JS304
JS307
OPEN
JS301
OPEN
22/50V
C306
0.1
C305
SPDIF
VIDEO-IN
S-VIDEO-SW
S-VIDEO-C-IN
S-VIDEO-Y-IN
INPUT1
AUDIO(R)
INPUT0
AUDIO(L)
COM-VIDEO-Y-IN
AUDIO-MUTE
10K
R679
1SS133 D417
GND
VCC
IC201
TL3472CDR
1234
5678
0
R238
47/25V
C217
1
C216
10K
R230
1.5K
R231
15K
R232
KTC3199-GR-AT/P
Q209
10K
R233
1K
R234
0.1
C215
1
R224
47/25V
C209
OPEN
C210
OPEN
C211
OPEN
C212
OPEN
C213
0
R225
1000P
C214
100K
R227
2SC2655-Y
Q207
Q208
2SA1020-Y
10K
R229
10K
R226
PANEL+13V
WIRE
R228
OPEN
R237
OPEN
C314
OPEN
D301
OPEN
C315
OPEN
D302
DVD-M+10V(EV+9V
COM-VIDEO-Pb-IN
COM-VIDEO-Pr-IN
0
JS803
0
JS804
0
JS802
0
JS801
OPEN
JS805
L301
BEAD
WF1
WF3
WF2
WF6
WF5
WF4 WF7
LKJIHG
4
3
1
2
(+1.2V REG.)
0
(OP AMP)
CONTINUE
MAIN 3
TO DVD MAIN
CBA UNIT CN401
TO DIGITAL MAIN
CBA UNIT CN3003
TO DVD MAIN
CBA UNIT CN601
(SWITCHING)
(SWITCHING)
(SW+3.3V)
(SW+3.3V)
5.2
4.5
5.3
0.2
0
0.8
3.4
4.0
4.6
3.4
4.1
5.2
0 1.3 3.9
3.3
3.4
0
3.4
3.4
3.4
3.4
3.4
0
0
0
0
0
0
1.3
1.3
9.6
5.2
9.6
2.5
2.4
3.4
2.4
2.7
0
0
2.4
0.9
0.6
0.6
0
0
0.9
3.4
3.2
3.4
3.4
3.3
0
2.7
0
2.5
0
2.5
0
0
0
0.9
0
0.9
0
0.6
1.7
0
3.8
3.4
4.0
0
3.4
1.6
0
1.6
0
1.7
0
9.2 4.9 4.7 4.6
4.64.6 4.6
TO DIGITAL MAIN
CBA UNIT CN3006
CONTINUE
MAIN 4
CONTINUE
MAIN 4
MAIN CBA
0.20.2 0
(COMPARATOR)
0
5.2
0
0.2
5.85.86.1
5.8
6.0
13.3
0
5.8
6.0
(V-COM DRIVE)
(BUFFER)
CONTINUE
MAIN 3
0
*Either TU301 or TU302 is used for MAIN CBA.
* *
(BUFFER)
(V-COM DRIVE)
(V-COM DRIVE)
0
0
0
4.0
0
0
0
0
0
3.3
0
0
0
3.3
0
3.3
0
3.3
0
3.4
0
1.7
0
0.2
0
0
0
4.0
1.7
13.2
9.2 3.9
4.6
4.6
9.2 4.0
FL11.8SCM2
Main 2 Schematic Diagram