JVC LT-26A70BJ Service Manual page 49

MAIN PWB CIRCUIT DIAGRAM (4/4) SHEET 4
PX_VL_1V8
R145
22
R146
22
FB2 *1
C162
PX_VA_1V8
L9
L10
L7
L8
PX_VD_3V3
L11
L12
FB3 *1
FB6 *1
PX_VDDMQ
C182 C180
4700p 4700p C126 C124 C56
.01/16 .01/16 .1/16
C175
22/16
C181 C127 C125 C123 C55
4700p .01/16 .01/16 .01/16 .1/16
GND
PX_MCK0
PX_MA8_1
PX_DQM2_1
R189
100
PX_MD21_1
PX_MD24_1
PX_MD26_1
C128
PX_DQM3_1
.01/16
R190
100 PX_MD28_1
PX_MD30_1
GND
PX_MCK0#
PX_CLKE_1
PX_DQS2_1
PX_MD20_1
PX_MD22_1
PX_MD23_1
PX_MD25_1
PX_MD27_1
PX_DQS3_1
PX_MD29_1
PX_MD31_1
DDR_VREF
SHEET 2
PX_PAVDD1
C159
DDR_VREF
PX_MLF1
C32
.1/16
PX_VDDMQ
C178 2700p
GND
PX_PAVDD2
R68 C15
C160
PX_PLF2 1K .1/16
GND
C33
.1/16
R67 C16 PX_VDDMQ
PX_MA11
C179 2700p 1K .1/16
PX_MA10
GND
PX_AVDDAPLL PX_MA9
PX_MA8
GND
PX_MA7
C117
.01/16
C35
.1/16
PX_MA6
GND
PX_MA5
GND
PX_MA4
PX_MA3
PX_AVDD_ADC1
PX_MA2
C20 C19 C18 C17
.1/16 .1/16 .1/16 .1/16
PX_VD_1V8
PX_MA1
GND
PX_MA0
C164 C37
.1/16
PX_CS0#
GND PX_AVDD_ADC2
PX_RAS#
C778 C777 C776 C118 C119
OPEN OPEN OPEN .01/16 .01/16 C120
.01/16
C165 C38 PX_CAS#
.1/16
GND PX_WE#
PX_AVDD_ADC3
GND PX_CLKE
PX_BA0
PX_BA1
PX_PVCC
C166 C39
.1/16
GND
GND PX_AVDD_ADC4
PX_AVCC
RXCLK-
PX_VL_1V8 RXCLK+
C40
C167 PX_AVDDLLPLL
.1/16
GND
FB5 *1
GND B_RX0-
B_RX0+
C161 C34
.1/16
GND
PX_AVDD3_ADC1
G_RX1-
GND
G_RX1+
GND
C168
C42
.1/16 R_RX2-
PX_AVDD3_ADC2
R_RX2+
GND
C24 C23 C22 C21
.1/16 .1/16 .1/16 .1/16 GND
PX_VD_1V8
C169 C43
.1/16 PX_REGVCC
PX_AVDD3_BG_ASS
GND GND
PX_AVDDLLPLL
GND
PX_AVDDAPLL
GND
C170 C41 C1
.1/16
PX_AVDD3_OUTBUF
GND
GND R21 X1
GND
1M
C163 C36 GND
.1/16 R1 0
C2
PX_MLF1
PX_PAVDD1
GND
GND
PX_PLF2
PX_PAVDD2
PX_VDDM
C121 C53
.01/16 .1/16
C176
22/16
C122 C54
.01/16 .1/16
GND
PX_MA3_1
PX_MA11_1
IC2
PX_MD15_1
PX_MA1_1
PX_MA2_1
SD RAM
PX_MA10_1
PX_MD14_1
PX_MD13_1
PX_MA0_1
PX_BA1_1
PX_MD12_1
GND
MAIN PWB ASS'Y(4/4)
SFT-1051A-U2 [LT-26A70BJ, LT-26A70BU, LT-26A70SJ, LT-26A70SU]
SFT-1052A-U2 [LT-32A70BJ, LT-32A70BU, LT-32A70GU, LT-32A70SJ, LT-32A70SU]
PX_VD_1V8 PX_VD_1V8 PX_VD_1V8
PX_VD_1V8
GND GND GND GND GND GND GND
C116 C115
C109
C110 .01/16 .01/16
.01/16
.01/16
IC1
VIDEO
SIGNAL
SELECT
&
DSP
GND GND GND
C113
C107
.01/16 PX_VD_3V3
.01/16
GND GND GND GND GND GND GND GND GND GND
GND
R41
27k
GND
HDMI_5V0 3V3_SB
Q1
RA167 RA174
PX_MD15 PX_MD15_1 PX_MA0_1 PX_MA0
PX_MD14 PX_MD14_1 PX_MA1_1 PX_MA1
PX_MD13 PX_MD13_1 PX_MA2_1 PX_MA2
PX_MD12 PX_MD12_1 PX_MA3_1 PX_MA3
RA168 RA175
PX_MD11 PX_MD11_1 PX_MA4_1 PX_MA4
PX_MD10 PX_MD10_1 PX_MA5_1 PX_MA5
PX_MD9 PX_MD9_1 PX_MA6_1 PX_MA6
PX_MD8 PX_MD8_1 PX_MA7_1 PX_MA7
RA171 RA176
PX_MD31 PX_MD31_1 PX_MA8_1 PX_MA8
PX_MD30 PX_MD30_1 PX_MA9_1 PX_MA9
PX_MD29 PX_MD29_1 PX_MA10_1 PX_MA10
PX_MD28 PX_MD28_1 PX_MA11_1 PX_MA11
RA172 RA177
PX_MD27 PX_MD27_1 PX_CS0#_1 PX_CS0#
PX_MD26 PX_MD26_1 PX_RAS#_1 PX_RAS#
PX_MD25 PX_MD25_1 PX_CAS#_1 PX_CAS#
PX_MD24 PX_MD24_1 PX_WE#_1 PX_WE#
RA173
PX_MD7 PX_MD7_1
PX_CLKE_1 R186 15 PX_CLKE
PX_MD6 PX_MD6_1
PX_MD5 PX_MD5_1 R187 15
PX_BA0_1 PX_BA0
PX_MD4 PX_MD4_1
R188 15
PX_BA1_1 PX_BA1
PX_MD3 RA166
PX_MD3_1
PX_MD2 PX_MD2_1
PX_MD1 PX_MD1_1
PX_MD0 PX_MD0_1
RA169
PX_MD23 PX_MD23_1
PX_MD22 PX_MD22_1
PX_MD21 PX_MD21_1
PX_MD20 PX_MD20_1
RA170
PX_MD19 PX_MD19_1
PX_MD18 PX_MD18_1
PX_MD17 PX_MD17_1
PX_MD16 PX_MD16_1
(No.YA492)2-13 2-14(No.YA492)
PX_AVCC
C47 C46 C48 FB7
PX_VDDMQ
.1/16 .1/16 .1/16
R143 C173
GND 0 22/16
C174
PX_PVCC
22/16 C29
.1/16 GND
FB8
C45 C172
.1/16 22/16
GND
PX_HDMI_3V3
TX0-
TX0+
TX1-
FB4 *1
TX1+
TX2-
TX2+ C171 C44
.1/16
TCLK1-
TCLK1+
TX3-
GND
TX3+
PX_VD_3V3
FB1 *1
C158 5V0_SB
22/16
C14
GND .1/16
R100 4.7k
GND
R9 0 GND RESET_H
R99 R98
PX_INT# OPEN OPEN
PX_VD_1V8 R58
GND
C114 .01/16 R57
R31
R30
8051_CS2PX C154 C155
OPEN OPEN
8051_ALE
8051_WR#
8051_RD#
GND
8051_AD7
8051_AD6
8051_AD5
8051_AD4
8051_AD3
8051_AD2
8051_AD1
8051_AD0
C28 .1/16
RA93
uP_A7
uP_A6
uP_A5
uP_A4
uP_A3
uP_A2
uP_A1
uP_A0
RA92
C112
GND PX_VD_1V8
.01/16
C111
C27
.01/16
.1/16
TX3+
L5
TX3-
TCLK1+
L4
TCLK1-
TX2+
L3
TX2-
PX_VD_3V3 TX1+
L2
C156
22/16 TX1-
TX0+
L1
C25 C26
.1/16 .1/16 C157 TX0-
22/16
GND
PX_VD_1V8 R22 OPEN
PX_VD_3V3
R2 OPEN
R115 33
GND R24 OPEN
R112 33
PX_VD_3V3
R111 33
IC21 R25
R108 33
R116 C312
100 1/16
HDMI_AR_IN R23
R118 C313
100 1/16
HDMI_AL_IN
FB25
LCD_VCC
FB13
C344
OPEN
C309 R11
L6 OPEN
OPEN
R3 0
D56
R4 0
C306 R192
D-A CONV.
.1/16 220k R5 0
D55
C148
100/16
R182 15
PX_DQM1 PX_DQM1_1
GND GND
R183 15
PX_DQM3 PX_DQM3_1
HDMI_AR_IN
R184 33
PX_DQM0 PX_DQM0_1
HDMI_AL_IN
R185 33
PX_DQM2 PX_DQM2_1
PX_VD_3V3
R178 15 HDMI_DAC_MUTE
C764 C766 C768 C770 C772 C774 PX_DQS0 PX_DQS0_1
OPEN OPEN OPEN OPEN OPEN OPEN
8051_CS2PX
PX_DQS1 R179 15 PX_DQS1_1
8051_ALE
R180 33 8051_WR#
C763 PX_DQS2 PX_DQS2_1
OPEN 8051_RD#
R181 33
PX_DQS3 PX_DQS3_1
8051_AD7
C765 C767 C769 C771 C773 C775 8051_AD6
OPEN OPEN OPEN OPEN OPEN OPEN GND
8051_AD5
8051_AD4
8051_AD3
8051_AD2
8051_AD1
PX_HDMI_3V3
8051_AD0
C788 C790 C792
OPEN OPEN OPEN
uP_A7
uP_A6
C786
uP_A5
OPEN
uP_A4
uP_A3
C787 C789 C791 C793
OPEN OPEN OPEN OPEN GND uP_A2
uP_A1
uP_A0
PX_HDMI_3V3
*1
*1
PX_REGVCC
10 SCL3
SCL3 SHEET 1,3
10 SDA3
SDA3
OPEN SCL5
SCL5
SHEET 1,2,3
OPEN SDA5
SDA5
RESET_H
RESET_H
PX_INT#
SHEET 3
PX_INT#
SCDT
SCDT
SC2_CVBS_OUT
SC2_CVBS_OUT
SC1_CVBS_OUT
SC1_CVBS_OUT
SC2_ID
SC2_ID
SC1_ID
SC1_ID
SC2_FB
SC2_FB
SC1_FB
SC1_FB
Y_IN
Y_IN
SC_G
SC_G
SC1_CVBS_IN SHEET 2
SC1_CVBS_IN
PR_IN
PR_IN
SC_R
SC_R
CVBS_IN
CVBS_IN
SC_C
SC_C
PB_IN
PB_IN
SC_B
SC_B
SC2_CVBS_IN
SC2_CVBS_IN
RX_DSCL
RX_DSCL
RX_DSDA
RX_DSDA
TU_CVBS
SHEET 1
TU_CVBS
CN0LV2 CN0LV2
R26
OPEN
LCD PANEL UNIT
[INVERTER PWB:CN1]
OPEN
0
R56 10
C134 1/16
GND
HDMI_AR_IN SHEET 1
HDMI_AL_IN
HDMI_DAC_MUTE
8051_CS2PX
8051_ALE
8051_WR#
8051_RD#
8051_AD7
8051_AD6
8051_AD5
8051_AD4
8051_AD3
8051_AD2 SHEET 3
8051_AD1
8051_AD0
uP_A7
uP_A6
uP_A5
uP_A4
uP_A3
uP_A2
uP_A1
uP_A0
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