Text preview for : 14CX7T K chassis sch .pdf part of taurus taurus 1420_cx7t service manual
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NOTE: 1,
IS MARK OF CRITICAL COMPONENT; 2, SUBJECT TO CHANGE WITHOUT NOTICE.
XS200
20 18 16 14 12 10 8 6 4 2
14 INCH CRT IC401 TDA1905
8 21 19 17 15 13 11 9 7 5 3 1 9 10 3 1
ALTERNATIVE CRTS
C407 0.22uF 50V
C401 47uF 16V R401 2K7
C410 470uF 16V C409 0.1uF/M R404 4E7 Q503 2SA1015Y
CRT
C701 0.01uF +5VA R114 470 R100 270 R136 100K C119 1uF 50V D100 1N4148 R142 470 R141 680 +5VA C131 0.1uF C128 22uF 16V K102 K101 R115 4K7 XS701 EARPHONE C703 1n Q105 2SA1015Y R147 D101 3V9 2K2 C702 K107 AV V+ 0.01uF
R701 100 R702 4E7
XS702 FROM XP402 L702 100uH
XP702 TO XS402
11 12 13 6
C402 2.2uF 50V R402 220
7
R509 330 XP402 R521 2K2/0.5W R519 1K2/0.5W R520 10K D503 5V6 2K2/0.5W 1K2/0.5W R513 R515 1N4007 D504 R514 10K R507 47K C517 R506 2K2/0.5W
R508 4K7 +8V R526 22E R505 10K R504 330 C505 470pF V-DY XP302 H-DY XP301
L703 100uH XP703 XS205 C230 560P L204 1uH R222 220 L206 1uH
C232 2200pF
14 15 16 5 4 2
1
1
VIDEO IN OK MENU PP+ AUDIO IN XS711
C711 270p JAI JUMPER
1N4007 D508
L711 10uH
R711 12K
R712 1K
C712 0.022uF C231 0.01uF
C404 R223 100K 100uF 16V
C408 470uF 25V R428 2E2/1W
C417 0.1uF
Q507 BF423 Q506 BF422 R518 330 C515 470pF
Q505 BF423 Q504 BF422 R512 330 C510 470pF
IC103 HS0038A2
2
I R
3
1
R127 1K +5VA 1 +5VA 2 D106 LED R109 10K R126 1K 3 4 REST NC VS OUT STDBY LED 55 54 53 IR IN KB INPUT 56 C118 47PF
C713
0.1uF
R716 100K R715 100K R714 22K
C714 0.47uF 50V
C715 0.47uF 50V +5V XS112
+15.2V D401 1N4148 C434 1uF 50V R422 120K R400 15K R425 100K R516 100 R522 10K/2W
2
Q501 BF422 R524 10K/2W R502 100
2
R523 10K/2W
R510 100
NC MUTE
R140 39K
16 15 14 13 12 11 10 9
R424 10K Q711 2SC1815Y
C405 4n7
ON/OFF
Q106 2SC1815Y R128 6K8
R144 4K7
Q401 2SA1015Y IC711 74HC4053N AV BOARD VIDEO OUT AUDIO OUT
1 2 3 4 5 6 7 8
D107 1N4148
5
NC ON/OFF DESIGN
STDBY LED XTAL XTAL VOL(N) VOL
52 X101 4M 51 50
C116 39PF
+15V +8V VIDEO IN2 AUDIO IN VIDEO IN1 MUTE
6 7
C115 39PF R129 R111 4K7 9 10 S1 48 Q104 2N3904 R130 33K +33V S1 8 S_SW 49 10K
Ri
Gi
Bi
S-SW +5VA R134 22K
FBi
R112 6K8
S-SW
A/O
XP202 FB R G B XS202 +8V R274 47K R263 1K R262 1K R261 1K R269 7K5 ICA
AUDIO OUT
AV1
AV2
S0
NC
47 46
11 IC102 ST24C08
S0(N) S1(N)
SAW_SW2 NC
R266 1K
C259 4.7uF 50V
C254 4n7/M
R253 15K
R254 2K2
C229 10uF 16V
BC
C107 0.1uF
14 15 16
NC
BSW2 BSW1 VSYNC HSYNC
43 42 41 40
SAW1 BSW2 56 FM CAP 55 AUDIO OUT
C256 0.1uF 48 H OUT 47 VERT 46 BCL/SAF 45 VCC1 44 CVBS OUT CVBS OUT1 43 GND1
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 NC
54 GNDD
53 VCCD
52 SDA
51 SCL
50 SLPF
49 LFB/SSC
42 PIFIC1 X1/VAMP/CHROUT
41 CJPF
40 XTAL1
39 XTAL2
38 XTAL3/BTUN
1
2
3
4
5
6
7
8
VP
SAW2
C228 1uF 50V
C271 0.1uF
9
10
11
B G
B
BSW1 VS C129 0.01uF HS IC201 STV2248
R300 4K7 VAMP BCL
C305 R304 150K 10uF 16v
C300 47n/M
AM/FM OUT/SC
G R FB SDA SCL VDD
R333 8M2
R323 10K D301 1N4002 C325 100uF 35V
EXT AUDIO IN
GEXT/YEXT
CVBS IN1
SIF IN2
PIF IN1
SIF IN1
PIF IN2
IF PLL
IF GND
PIFLC2
IF VCC
VCC2
FBEXT
Vrefif
GND2
17 18 C100 R137 100P 820 19
CVBS IN2
R FB SDA
BEXT/UEXT
Y/CVBS IN3
AGC(P)CAP
REXT/VEXT
AGC(S)CAP
RAGC OUT
CHR
R118 10 +5VA AVDD1 PXFM 39 R119 5K6 38 C126 22pF 37 C113 10uF 16V C114 4n7/M C284 1n R290 2K2 SAW2 C112 CVBS.TXT R138 1K5 R200 22K R284 10K Q282 2SC1815Y +8V R288 6K8 D282 1N4148 R287 2K2 1 2
Text
R303 150K VD C324 0.22uF/M R327 2E2 R302 27/0.5W D351 1N4148 Q351 2SC1815Y C352 1uF 50V R352 3K9 R353 12K C333 220uF 35V FLYB
1
R329 3K3
R319 4K7
BS
1
C205 1uF 50V
2
3
4
C209 0.33uF/M
5 C206 1uF 50V
6
7
8
9
10
11
12
13
14
15 L208
16
17
18
19
20
21
22
23
24
25 C225 0.1uF
26 C226 0.1uF
27 C227 0.1uF
28
C306 220uF 35V
SCL R106 4K7 +5VA R105 4K7 C106 100uF 16V L101 10uH C117 0.22uF/M R103 5K6 C104 220p C108 0.1uF
C218 1uF 50V
C221 1uF 50V C235 1uF 50V C224
FBi Ri
20 21 22 23
JTRET0 GND
5 4 3
C261 1n C262 C207 1n 0.022uF C210 10uF 16V
C260 1n
36 35
R212 150
C211 1n/M R213 120 +8V L209 1uH C219 470uF 16V L207 6.8UH C217 0.1uF C237 1n R217 1K5 C220 1uF 50V R230 75
R351 100K
+8V
R318 1K8 C323 C327 0.1uF
SAW
SF202 K9650M
1uF 50V R231 75
R224 330K
R301 C302 39 220uF 16V
Gi Bi R225 75 R226 75 R227 75 R228 75
R330 330/1W R325 22K R320 2E2
JTDO WSCF WSCR AVDD3
AGND
+8V
22uF 16V R324 C326 180 1000uF 25V
R334 1/0.5W
C212 C213 0.1uF R282 6K8 R283 2K2 47uF 16V R285 2K2 1
TELETEXT
34 33 0.47uF 50V C111 82PF
R218 1K5
C201 1n
4 5 3 C246 47P R214 220
24 R104 6K8 +5VA R102 10 25 C105 10uF 16V C140 0.1uF 26 R101 5K6 C102 4n7/M C101 22pF IC101 ST92195 27
WSS JTMS
D281 1N4148 10
SAW
32 R117 10 +5VA 31 C141 0.01uF 30 R116 C109 15K 2n2/M 29 IF
R286 22K R289 10K C281 6P8 Q281 2SC1815Y TUNER AGC SF201 K2955M
L201 10uH +5V
Z201 5.5MHz Z202 6.5MHz Q203 2SC1815Y R220 75 VIDEO OUT R219 470
+8V C222 10uF 16V
FLYV
VCC2
VCC1
C263
GND
Vout
+5VA
5 5 6 7 8
SAW_SW1
V AMP
13
NC
44
C248 0.1uF C245 1n
R273 1K
POWER
C253 1n
R268 27K
R272 56
R271 56
R270 56
V.SYNC IN
R251 100 R252 100
C257 470uF 16V
X201 4.43MHz
VT
R209 10K
4n7/M
12
45
C249 100uF 16V
R264 1K
R265 1K
R133 33K
C121 0.1uF/M
L202 10uH
R256 10K
L252 1uH
R132 33K
C120 0.1uF/M
D252 1N4148
D251 1N4148
S1
R131 22K
R275 D254 10K 1N4148 +5V
R257 1K
D255 5V1 R276 1K5 R255 8K2
CVBS.TXT
FLYB
BCL
VD
VS
VAMP
HS
SDA
SCL
HD
R
G
B
+8V R259 2K2 R258 56K C268 C269 0.1uF/M 18pF
2
C255 2.2uF 50V
IC301 TDA8174A
R326 270/0.5W XS302 D302 RGP15J C312 R311 2.2uF 160V 22K/0.5W C311 0.47uF 200V M(14")/0.39uF 200V M(21") R312 1K/1W
1
TEST0 MCFM
AVDD2 CVBS0 TXCF
C110 10uF 16V
C216 10uF 16V AUDIO OUT C214 22uF 16V AUDIO IN
1N4007 D501
R406 22K
C516 680pF 500V
V-
C403 4.7uF 50V
C511 680pF 500V
680pF 500V
1
1K2/0.5W R501
Q502 BF423
XS301 L301 39UH XS305 4
VIDEO IN 1
SAW1
28
JTCK
C247 0.1uF
VIDEO IN 2
D253 1N4148
XP305
D305 RGP15D/1N4937 IF HD TUNER AGC VT IF1 11 10 IF2 C241 1n +5V +25V C317 470P 500V
L220 15uH
C307 10uF 250V
R321 180K/0.5W 1
ON/OFF
BSW1
BSW2
R281 100
TU201 UVC2810-VEEA
R328 680
R399 2E2 2W(14"20")/6E8 1W(21")
1
4 3
IC615 TLP621
1 2 R123 2K7 +15V Q609 B892 C636 0.1uF R647 1K/0.5W C652 100uF 25V
12
T302 BSC25-3604L HV
C603 C605 1n 1KV 1n 1KV D603 R602 1N4007 3E9/5W D604 1N4007 C604 C606 1n 1KV 1n 1KV RT601 MZ73 K18RM270 D605 1N4007 D606 1N4007 C607 100uF 400V C613 4n7/M D614 1N4148 D617 ES1/RGP10G D619 MTZ11C XS602 R611 5K6 L606 DEGAUSSING C601 0.1uF/250VAC C602 T3.15A SW602 KDC-A11 XS600 R620 120K/0.5W R621 120K/0.5W R622 15K Q613 2SD1710/ST1802HI R624
2
D634 RGP15D R625 68/2W C616 680pF 1KV
4 14
IC601 7805 C634 680pF 500V
GND Vin Vout
+5VA
+15.2V R648 10/1W IC603 7808
GND Vout Vin
R120 2K7 C653 10uF 16V +8V R121 2K7
R124 2K7
Q101 2SA1015Y D105 1N4148
C237 0.1uF
C627 0.1uF
C215 47uF 16V
R316 E47/0.5W
7
D304 RGP15J
2
13
C633 1000uF 25V
5
8
+5V
D102 1N4148 Q102 2SA1015Y
VM BA C242 10uF 16V C243 C244 R215 4K7 R307 1K 10uF 16V 10uF 16V R216 27K C304 0.1uF/M Q302 2SD1651/ST1803DHI Q301 2SC2383 T301 JDT1924 R308 100/0.5W C208 22uF 50V C240 C238 270P 0.1uF C239 47P D307 1N4148 R306 68/0.5W D311 1N4002 +25V +15V D310 1N4002 C309 47n/M R310 1/0.5W C314 10n 1K6V M(14"21")/11n 1K6V M(20") R314 15K +25V C310 47n/M +110V SV R309 8K2(14")/10K(21") FV
6
68 R619 22 C614 0.1uF/M
7
IC604 UPC574 12K/2W
11
D616 1S1555 R623 2K7 R617 3K3 R626 2K7 Q612 2SC3807
R608
C608 1uF 50V L600
GND
C631 470pF/1KV R637 100K
+33V R642 15K
R650 10/0.5W C654 470uF 25V
IC602 7805
Vout Vin
+5V C656 10uF 16V
R122 2K7
D103 1N4148 R125 4K7
BB BC
1
2
T601 730-450-TV83
10
Q611 2SA1015Y
R615 C615 22K 15n/M F601 XS601 XP601
C617 22n/M
2
9
D631 C641 RG2 100uF 160V T603 BCK-35-26
R635 150K VR631 2K R636 8K2
Q631 2SC1815Y
GL91uH R638 27K/0.5W R689 22K
+110V C360 47uF 160V Q685 2SC1815Y
Q103 2SA1015Y 2
VT AGC
C122 0.1uF/M
1
R686 300K R687 560K C685 1uF 50V
1
1 2
R630 5M6/0.5W
R629 5M6/0.5W
D641 6V2
R639 12K
R688 Q686 2SA1015Y 10K
D685 6V2
XP600 POWER CORD
C629 2200PF 400VAC
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C521 4700pF 2KV
SP401 8E/2W(14") XS402 8E/3W(21")
C506 100uF16V
4
3
2
1
0.1uF/250VAC