JVC LT-26A70BJ Service Manual page 47

MAIN PWB CIRCUIT DIAGRAM (2/4) SHEET 2
L18
0
J1
R261 C215
75 470p
R260 75
R262
D8
75
GND
R263 75 R69
1k
R264 75
R70
1k
R265 75 R282 R43
1k
8.2k
R72 1k
L20 R73 1k
C208 470p C207 .01
R336 390 R337 470
L22
L21
R71
R335
1k
82k
C210 470p
R333 R334 L19
GND
FB54 390 470
C209
.01
Q32
R332
82k
Q31
GND
L36
0
R267 C221
J1
75 470p
R266
75
R268 75
D16
R76 1k
R269 75
D20
R270 75
R77 1k
R44 1k
R283 8.2k
R79 1k
L24
R80 1k
R271 75
C217 470p
GND
C216
R342 390 R343 470
L26
L25
R78
R341 1k
82k
C219 470p
R340
R339
GND 470 L23
390
FB55
C218
Q35
R338
82k
Q34
R174
100k
GND
C214
470p
R75
L27 GND
1k
J3 J3 J3
C212
470p
R74
L28 GND
1k
C225 C213
OPEN 10p
GND
GND
L29 OPEN
C227
OPEN C222
Y29 0 10p
GND
L30 OPEN GND
C226 C223
OPEN Y30 0 10p
GND GND
L31 OPEN
Y31 0
L32 0
GND GND
GND
C224
470p
J5
D38 D39
D33 OPEN OPEN OPEN
OPEN
D34 D35
OPEN OPEN
GND
NOTE : Refer to the part list for the part number of IC8.
SHEET 1 SHEET 1,3
SC1_CVBS_IN SC1_AR_IN
SC1_AL_IN
8V0
C64 SC2_AR_IN
.1/16
SC2_AL_IN
SC1_AR_OUT
C76
C211 D9
.1/16 R169 SC1_AL_OUT
OPEN
10k
Q9
SC2_AR_OUT
NPN
SC1_CVBS_OUT
SC2_AL_OUT
C232
C249
C323 AVR_IN
OPEN
R286 R167 AVL_IN
D10
330 10k
A_MUTE
R18 10k
SC1_FB
C140 1/16
R323 C294
10k OPEN
SC1_R 5V0
D12 D63
D13 GND
C141 1/16 SC1_G
D30 D62 D61
D11 Q40
OPEN OPEN
OPEN
C135 GND A.MUTE
OPEN GND
SC1_ID
C 142 1/16
R278 C341
C136 1/16 SC1_AL_IN OPEN OPEN
C108 OPEN
GND
R276
D15
D27 OPEN
GND
SC1_AL_OUT
GND
C137 1/16 SC1_AR_IN
C195
GND 10/16
D26
C194
10/16
SC1_AR_OUT
GND
D14
R171
0 A.MUTE
Q33
PNP
R172
100k
SC2_CVBS_IN
8V0
C65
.1/16
D17 C75
C220
.1/16
OPEN Q10 R170
NPN 10k
SC2_CVBS_OUT
C233
C326
OPEN C250
R287 R168
D18
330 10k
R19 10k SC2_FB
R324
C143 1/16 C295
10k
OPEN
D19
SC2_R
D28
C324 GND
OPEN SDA_LINK
R231 100 SC2_G
C144 1/16 R232 100
D21
SCL_LINK
GND
D29 SC2_ID
C145 1/16 SC2_B
C139 1/16 SC2_AL_IN
C325 OPEN
GND GND
.01
D31 D25
C197 10/16 SC2_AL_OUT
SC2_AR_IN
C138 1/16
GND
D23
D24
GND
C196 10/16 SC2_AR_OUT
.01
GND
R173
D22
0 A.MUTE
Q36
PNP
D44
R42
OPEN
R152 OPEN
R163 47k
D7
C198
GND
1/16
AVR_IN
D6
C199
GND
1/16
AVL_IN
D2
R273
75
GND
PR_IN
Q29
C69 .1/16
R274 D3
75
GND
PB_IN
Q8
C68 .1/16
R275 D4
75
GND
Y_IN
C67 .1/16 C86 C246
100p .1/16
GND
C66 .1/16 CVBS_IN
GND D47 D48
R272 OPEN OPEN
D5
75
R160 R161
1k OPEN HDMI_5V0
R153
D40 D41
OPEN
OPEN OPEN
RXCLK-
RXCLK+
B_RX0-
B_RX0+
G_RX1-
G_RX1+
R_RX2-
R_RX2+
PX_VD_3V3
D 36 D37
OPEN OPEN
MAIN PWB ASS'Y(2/4)
SFT-1051A-U2 [LT-26A70BJ, LT-26A70BU, LT-26A70SJ, LT-26A70SU]
SFT-1052A-U2 [LT-32A70BJ, LT-32A70BU, LT-32A70GU, LT-32A70SJ, LT-32A70SU]
5V0 C71
R66
75
C72
L14 C73
R106 R123 75
C74
75
C70 C234
Y40
.1/16 47/16
OPEN
R45
100
R62
4.7k
IC9
RGB
SW
R61
4.7k
GND
5V0_SB
Q22
PNP
C239 C245
1/16 .1/16
R51
10k
Q16
NPN
R290 R53
1.5k 10k
R52
10k
R133
4.7k
Q14
NPN
R81
1k
5V0
D43
R91
OPEN
R135 R134 C85
OPEN OPEN .1/16
IC8
R35
0
R36 R165 EEP
0 10k
ROM
PX_VD_3V3
R164
PX_VD_3V3
10k
Q3
Q2
R159
4.7k
D50 HDMI_5V0
PX_VD_3V3
D49
GND
OPEN
Q5
R137 R136
470k 470k
RX_DSDA_1
RX_DSCL_1
Q4
PX_VD_3V3
R154 R155
OPEN OPEN
R156
OPEN
GND
(No.YA492)2-9 2-10(No.YA492)
.1/16 SC_C
.1/16 SC_R
.1/16 SC_G
.1/16 SC_B
SC_RGB_CNTL
SDA5
SCL5
T-V_LINK_CNTL
T-V_LINKOUT
T-V_LINKIN
RX_DSDA
RX_DSCL
Q11
R233
NPN
100
SDA5
R289
27K
D42 Q12
R288 R234
NPN
220 100
SCL5
Q15
NPN
5V0_SB
R47
10k
R49 D32
10k R46
10k
R48
10k
Q13
NPN
T-V_LINK_CNTL
Q21
R50
10k
GND
T-V_LINKOUT
T-V_LINKIN
HDMI_PRO
EDID_WP
HDMI_DET
CECIN
SC_RGB_CNTL
SC_C
SC_R
SC_G
SC_B
SC1_CVBS_IN
SC1_CVBS_OUT
SC1_FB
SC1_ID
SC2_CVBS_IN
SC2_CVBS_OUT
SC2_FB
SC2_ID
PR_IN
PB_IN
Y_IN
CVBS_IN
RXCLK-
RXCLK+
B_RX0-
5V0
B_RX0+
G_RX1-
G_RX1+
D52
R223 OPEN
R_RX2-
OPEN
R_RX2+
C84
OPEN
C82
OPEN
R40
OPEN
D51
OPEN
R157
C83 C247
OPEN
OPEN OPEN
GND
SDA5
SHEET 1,3,4
SCL5
T-V_LINK_CNTL
SHEET 3
T-V_LINKOUT
T-V_LINKIN
RX_DSDA
SHEET 4
RX_DSCL
HDMI_PRO
EDID_WP
HDMI_DET SHEET 3
CECIN
SC_RGB_CNTL
SC_C
SC_R
SC_G
SC_B
SC1_CVBS_IN
SC1_CVBS_OUT
SC1_FB
SC1_ID
SC2_CVBS_IN
SC2_CVBS_OUT
SC2_FB
SHEET 4
SC2_ID
PR_IN
PB_IN
Y_IN
CVBS_IN
RXCLK-
RXCLK+
B_RX0-
B_RX0+
G_RX1-
G_RX1+
R_RX2-
R_RX2+
c10496001a002_1106_2/4_0.0