Text preview for : NEO TV-1550.pdf part of NEO TV-1550TX DV Service manuals
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NOTE: 1
IS MARK OF CRITICAL COMPONENT; 2 SUBJECT TO CHANGE WITHOUT NOTICE.
RCA JACK
21/15 INCH CRTALTERNATIVE CRTS XS701 PHONE JACK CRT
B/i V/o
21 19 17
AL/o
5 3
AR/o
1
R702 100
5V
TV--DVD SCHEMATIC DIAGRAM
R141 10K R142 10K SW1
XS200 SCART
XS711
Vi
20 18
AV2 BOARD
FB/i
16 14 12
STATUS
10 8
AL/i
6 4
AR/i
2
R/i
15 13
G/i
11 9 7
XS100 TO DVD
C713 L711 8.2uH C712 L712
8.2uH
R731 75 C291 L214 1n 8.2uH C293 1n R403 22K L213 8.2uH R401 470 0.1uF
C714
C715
1n*2
VIDEO OUT
C701
FBi
Ri
Gi
680pF 500V
100k R410
ALOTV
AROTV
R162 100
R147 R148
3K9 39K
SW5 PSW6 ANALOG
+5V
100
P+
R411 100 ARI1 R211 100K
FROM DVD R/L OUT
ALI1
C511
1N4004 D504
1N4007
C516
C834 100n
+5VA IC101 ST92195 +5VA C131 0.1uF
R145 1K +8V
C832 100n C833 10uF R127 10K KB INPUT 56
56 55 54 53 52 51 50 49 48
C831 100n
C829 22P
C830 22P X801 27M
R803 220K Q801 3CG9012 C827 0.47uF
C828 47uF
R828 220
R827 220
C463 153
C846 47UF/16V
R474 1K2 -
2
C469 0.1uF/M R471 4E7 C489 220uF 16V
D501 1N4007
+8V
OUT2+
Q502 BF423 R504 330
Q505 BF423 Q504 BF422 R512 330 C510 470pF
Q507 BF423 R518 330 Q506 BF422 R516 100 C515 470pF
C842 10UF
C843 10UF
SVR MODE CIV 3 C468 22uF 16V
6
IC103 HS0038A2
2
R807 R808 100 100
I R
3
1
1 +5VA
IR IN
R820 270K
47 46 45 44 43 42 41 40 39 38 37
R838 56K
IC 801 STV8216
30 29
R821 R822 100K 270
R824 100K
R825 270
+18V R405 22K
7
Q501 BF422 R502 100 R524 10K/2W
Q460 2SA1015Y R463 75 +15V
2
36
35
34
33
32
31
C505 470pF
R OUT1 CKTST
VDD2
GNDC GND2
RESET
REG
GND1
BUSO
ADR
SDA
XTI
L OUTGNDSA
VDDA VDD1
L IN2 GNDSP
L OUT2 SYSCK
GNDP
VERFIF BUSI
L OUT1 SDO
GNDAH MCK
R IN1 VDDP
R144 D106 LED 1.5K MUTE R158 1K Q107 2SC1815 Q106 2SC1815Y R128 270 R157 10K
GNDIF
VCC
SIF
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
C814 100n
C841
28
4
MUTE
STDBY LED 53
1 2 3 4 5 6 7 8 9
SW
R140 39K
R OUT
VDDIF
VDDH
VMC1
VMC2
R IN2
R IN3
BGAP
VTOP
L IN1
L IN3
NC
VS OUT
VERFA
3
54
R OUT2
R109 10K R135 10K
MONOIF ST
XTO
HPD
SCK
HPR
SCL
HPL
IRO
WS
2
REST
NC
55
C118 47pF
R523 10K/2W
R510 100
R522 10K/2W
2
Q802 2SC1815 Q803 2SC1815
C473 22uF 25V
R823 120
R826 120
Q461 2SC1815Y C474 47uF 16V
6
ON/OFF
XTAL
51 C115 39pF R802
SIF IN
7 S-SW R112 8 6K8 R111 4K7 R164 10K 9 S0 10 4 2 1
N? IC-8
DESIGN
XTAL
50 R129
L801 10uH C826 10uF
C813 10uF
C818 C817 10uF 100n C811 10uF
C815 10uF
X101 4M
C116 39pF
C807 100n
R801 330
C816 100n
C822 10uF
ON/OFF
5
NC
STDBY LED 52
C802 220n
C806 100n
C836 10uF
C835 10uF
C809 1uF C810 100n
C812 10uF
C819 10uF
100n
C840 +8V 10uF C820 L802 10uH 10uF C837 100n
C845 10uF
C844 10uF C821 220n
D460 1N4148
+8V R G B ICA
S_SW
VOL(N)
49
10K
Q104 2N3904 C225 0.22uF
RIN
ARI1
ALI1
MUTE
22
XP202 XS202 R +8V G B ICA
FLYB
BCL
R263 1K
R269
3
11 R160 10K 12
S0(N)
SAW_SW2
46
R266 1K
C259 4.7uF 50V
X201 4.43MHz
X202 3.58MHz
7 8
10
C254 4n7/M
R253 15K
R251 100 R252 100
R254 2K2
R268 27K
GND
SAW2 R107 14 10K 15 B NC BSW2 43 SAW1 BSW2 BSW1 42 BSW1 VS C129 0.01uF HS C142 0.01uF 18 C100 R137 100P 820 19 FB AVDD1 39 R119 SDA PXFM 38 C126 22pF 20
5K6
R856 4.7k
5 B
6
7
8
C107 0.1uF
R854 75
BC
BOUT 56 BIN FM CAP AUDIO OUT VCCD GNDD C227 0.22uF IC201 V.OUT +8V
16 15 14 13 12 11 10 9
C256 0.1uF 48 H OUT 47 VERT 46 BCL/SAF 45 VCC1 44 CVBS OUT1 43 GND1 42 PIFIC1 X1/VAMP/CHROUT
C266 0.1uF 37 FBOSD/HC 36 ROSD
C265 0.1uF 35 GOSD
C264 0.1uF 34 BOSD 33 ICATH 32 ROUT 31 GOUT 30 BOUT 29
1 NC
2 R300 4K7
3
4
5 C305
VP
+5VA
C228 1uF 50V 55 54 53
C263
C271 0.1uF 38 XTAL3/BTUN
Vout
SAW_SW1
S1 ROUT
6
7
8
9
10
52 SDA
51 SCL
50 SLPF
49 LFB/SSC
41 CJPF
40 XTAL1
39 XTAL2
G 16 R G VSYNC 41
VAMP BEXT/UEXT GEXT/YEXT REXT/VEXT BCL FBEXT
R304 150K 10uF 16v
C300 47n/M
R333 8M2
R323 10K D301 1N4002 C325 100uF 35V
AM/FM OUT/SC
17
IF GND
SIF IN1
SIF IN2
PIF IN1
PIF IN2
PIFLC2
IF VCC
R
HSYNC
40
Y/CVBS IN3
STV2246/2248 AGC(S)CAP AGC(P)CAP RAGC OUT
EXT AUDIO IN
CVBS OUT
CVBS IN1
CVBS IN2
IF PLL
VCC2
GND2
Vrefif
CHR
BS
FB
R118 10 +5VA C113 47uF 16V C114 4n7/M
V.IN
IC851
1 2 3 4 5 6 7 8
Text
R303 150K VD R354 22K(21") /NOT USE(15") C324 0.1uF/M +8V R301 75(21") 39(15") R327 2E2
R329 3K3
R319 4K7
C205 1uF 50V
SDA
1 +8V C227 1uF C851 1uF R288 6K8 R290 2K7 SAW2 R200 22K R284 10K Q282 2SC1815Y D282 1N4148 R287 2K2 1
2
3
4
5
6
7
8 C209 0.33uF/M
9
10
11
12
13
14
15 L208
16
17
18
19
20
21
22
23
24
25
26
27
28
C306 220uF 35V
C206 1uF 50V
C218 1uF 50V
SCL R106 2K7 +5VA R105 2K7 C106 220uF 16V L101 10uH C117 0.22uF/M R103 5K6 C104 220p C108 0.1uF
C221 1uF 50V C235 1uF 50V C224
SCL
JTRET0
37
C856 C855 C857 0.22uF 0.22uF 0.22uF
FBi Ri
C284 1n
5 4 3
21
VDD
GND
36
2
SAW
SF202 K9650M
C261 1n C262 1n
22
JTDO
AGND
35 C112 CVBS.TXT R138 1K5
C260 1n C207 0.022uF C262 C207 1n 0.022uF C210 10uF 16V
R212 150
C211 1n R213 120 +8V L209 1uH C219 470uF 16V L207 6.8UH C217 0.1uF C237 15P R217 1K C220 1uF 50V R230 75
R351 100K
R318 1K8 C323 22uF 16V R324 100(21") 180(15") C327 0.1uF
1uF 50V
R224 330K
R302 27/0.5W
2
Gi Bi R225 75 R226 75 R227 75 R228 75 D351 1N4148 C302 220uF 16V
R330 330/2W R325 22K R320 1E5(21") 1E8(15")
C326 1000uF 25V
R334 1/0.5W
C212 C213 0.1uF 47uF 16V
23
WSCF
TELETEXT
34 0.47uF 50V C111 82PF
R218 1K
C201 1n
Q351 2SC1815Y R352 3K9 R353 12K C333 220uF 35V C311 R219 470 VIDEO IN 1 FLYB VIDEO IN 2 D253 1N4148 D302 RGP15J C312 R312 1K/1W
1
FLYV
VCC2
VCC1
13
NC
44
C248 0.1uF
R273 1K
R272 56
R271 56
R270 56
V AMP
9
POWER
C257 470uF 16V
V.SYNC IN
VT
4n7/M
S1(N)
NC
45
6
11
6
C249
100uF 16V
R264 1K
R265 1K
R133 33K
C121 0.1uF/M
0.22uF GOUT
4 5
13 12
C852 0.22uF
4 5
L202 10uH
R256 10K
R259 2K2 R258 56K
L252 1uH
R132 33K
GIN
C226
2 3
15 14
2 3
+5V
+8V
R852 75
R202 22K C268 0.1uF/M C269 15pF C270 15pF
7K5
C120 0.1uF/M
GDIN
R274 47K
R262 1K
R261 1K
S0
NC
1
XS204 TO DVD
47
1
16
D252 1N4148
D251 1N4148
RD1N
R275 D254 10K 1N4148
R257 1K
D201 1N4148
R131 22K
IC850
+8V
R851 75
D255 5V1 R276 1K5 R255 8K2
VAMP
HS
SCL
HD
SDA
S1
VOL
VS
48
R130 33K +33V
C853 0.22UF
CVBS.TXT
C854 0.22UF
R
FB
G
VD
+8V
R201 47K
B
C255 2.2uF 50V
IC301 TDA8174A
11
2
D508
R115 4K7
SDA
SCL
R163 100k
D101 3V9
C119 1uF 50V
J809 10uH
C848 1000P
R402 1K5
C847 1000P
C472 1uF 50V 1
IN2+ +
8E 5W
C517
XS201 VIDEO IN 2
XS802
XS806
680pF
+5VA
R468 4E7 C467 470uF 16V
680pF 500V
R210
Q109 2SC1815
R161 270
Bi
+5VA R114 470 R100 270 R149 Q105 2SA1015Y R146 15K 6K2
SW2 SW3
S-SW
75
C702
DVD IR
R226 75
R228
R225 75
R227 75 C295 1n
C297 1n
L211 C296 8.2uH 1n C293 1n
C292 1n C290 1n L212 8.2uH R404 22K
2n2*2
R712 100
VIDEO IN2
R711 100
C704 L702 XS703 33uH
C703
L701 33uH
R460 1K5 C461 153 C460 1uF 50V 4 R473 1K2
GND IN1+ +
VCC C470 470uF 16V OUT1+ 8 C466 0.1uF/M 8E 5W XS401
XS702
TV/DVD
SW4
R402 470
XP703
TO XP401
2n2*4
FROM XS401
XP703
XP401 SP401
R507 47K D503 R515 5V6 2K2/0.5W
R509 100
DVD KEY
8
9
Q503 2SA1015 R508 4K7 +8V
R506 2K2/0.5W
R521 2K2/0.5W R526 22E
R501 1K2
R505 10K
R513 1K2
R514 10K
R519 1K2
R520 10K
1
5
24 +5VA R104 6K8 R102 10 25 C105 47uF 16V C140 0.1uF 26 R101 5K6 C102 4n7/M C101 22pF IC101 ST92195
WSCR
WSS
33
2 AVDD3 JTMS 32 R117 10 TEST0 AVDD2 31 C141 0.01uF 27 MCFM CVBS0 30 R116 C109 15K 2n2/M 28 JTCK TXCF 29 IF C110 10uF 16V +5VA
SAW
SF201 K3953
4 3 R805 560
C825 47P L804 10uH
L201 10uH +5V
Z201 5.5MHz Z202 6.5MHz
+8V C222 47uF 16V Q203 2SC1815Y R220 75 VIDEO OUT
C352 1uF 50V
R326 270/0.5W XS302
V-DY
XP302 H-DY
C824 0.01uF TUNER AGC
R311
L301
XS301
C214 22uF 16V AUDIO IN SIF IN
2.2uF 160V 10K/0.5W HL105uH(15") 39JL(21") 0.33uF 200V M(15")/0.22uF 200V M(21")
XP301
XS603 TO DVD POWER
C247 0.1uF
XS305 4 D305 RGP15D/1N4937 C307 10uF 250V R321 180K/0.5W
XP305
ON/OFF
HD
BSW1
BSW2
R628 5V 3.3V T603 BCK-40-0211 C603 C605 1n 1KV 1n 1KV D603 R602 1N4007 3E9/5W
5
+15V
S0
VT
S1 47k D620 IN4148 Q654 2SC1815 Q642 BD243C (TIP41C) C653 1000uF /16V R627 22k Q641 B892
TUNER AGC
IF
IF1 11 TU201 UVC2810-VEEA IF2
R328 680
R281 100 10
R399 2E7
1
1 T302 CF0801-4750(21")/CF0801-4730(15") HV
D656 1N5400 D651 RGP15D/1N4937 14 C650 13 C651 470pF 500V 1000uF /16V L620 10uH
D655 1N5400
IC601 7805
GND Vout Vin
+5VA C639 220uF /16V R120 2K7 R123 2K7 R124 2K7 Q101 2SA1015Y D105 1N4148 +5V R316 E47/0.5W C317 470P 500V
D605 1N4007 D606 1N4007
C607 100uF 400V C613 4n7/M D614 1N4148
R620 120K/0.5W R621 120K/0.5W R622 15K R624
3
D604 1N4007 C604 C606 1n 1KV 1n 1KV RT601 MZ72 K18RM270
Q613 ST1802
5 6
8
C648 470pF/500V D643 RGP15D/1N4937
D608 5.1V
R640 10/0.5W
Q610 B892 R645 5K6
R642 1K/0.5W R641 15K
C652 0.1uF
GND
R625 68/3W C616 680pF 2KV
4
D607 IN4148
IC603 7808
Vout Vin
+8V
C215 47uF 16V
L203 10uH
7
D304 RGP15J
3
+5V
R121 2K7 Q102 2SA1015Y
D102 1N4148
VM FV BA C242 10uF 16V R215 4K7 R307 1K C243 10uF 16V R216 27K C304 0.1uF/M Q302 ST1803/D2499 Q301 2SC2383 R308 100/1W C208 22uF 50V D307 1N4148 C309 1000PF 500V R306 68/1W D311 1N4002 R310 1/0.5W +25V T301 JDT1924 C314 10n 1K6V R314 15K R309 8K2(15")10K(21") C310 47n/M +108V SV
68 D617 ES1/RGP10G D619 MTZ11C R619 22 D616 1S1555 /1N4148 R623 2K7 Q611 2SA1015Y R617 3K3 R615 22K C614 0.1uF/M 7
12
GND
C646 C648 1000uF25V 470pF/500V 11
D657 RGP15D/1N4937
+17V
XS602
C661 1000uF/25V L600 GL100uH +108V(15") /+120V(21") R634 100K R689 22K C360 22uF 160V
R672 15E/5W(21") 12E/5W(15")
Vout
IC602 7805
Vin
+5V
R122 2K7
D103 1N4148 R125 4K7
BB
R611 5K6
C656 470uF 16V
1 R626 2K7 Q612 2SC3807 10 D631 RG2 C641 C615 15n/M C631 470pF/1KV 2 C617 22n/M R629 12M /0.5W C629 2200PF 400VAC 9 100uF 160V VR631 2K R636 5K6 D641 6V2 R635 100K Q631 2SC1815Y
BC Q103 2SA1015Y 2 AGC
C244
10uF 16V
T602 LCL1604
R637 R638 100K 27K/0.5W
1
L606 DEGAUSSING C602 0.1uF/250VAC
VT
C122 0.1uF/M
T601 LB28T821 C601 0.22uF/250VAC F601 T3.15A
2
IC615 4 XS601 XP601 1 3 H11A817B/C 2 XS600
1
R639 12K
R688 Q686 2SA1015Y 10K
Q685 2SC1815Y
R686 56K R687 270K R608 12K /2W +33V IC604 UPC574 C608 1uF 50V
1
XP600
D685 6V2
C685 1uF 50V
+25V +15V D310 1N4002
SW602 KDC-A11
POWER CORD
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C521 4700pF 2KV
DVD KEY
R701 100
C471 1000uF25V IC401 TFA9842
C464 0.1uF R465
2
+18V
4700P*2
2E2/2W
C506 100uF/16V