JVC LT-26DB1BU/AX Service Manual page 55

MAIN PWB CIRCUIT DIAGRAM (24/28) [TS Switch]
1
A
TS0_DATA from TER
MAIN PWB (26/28)
TS0_DATA[7..0]
TS1_DATA from SATELLITE
MAIN PWB (28/28) TS1_DATA[7..0]
B
TS0_CLK
MAIN PWB (26/28)
C TS0_STR
TS0_VLD
TS1_STR
MAIN PWB (28/28)
TS1_VLD
TS1_CLK
D
All location are from 851 to 880
1
2
U851
SN74LVC244APWR
TS0_DATA0 TSI_D0
2 18
1A1 1Y1
TS0_DATA1 TSI_D1
4 16
1A2 1Y2
TS0_DATA2 TSI_D2
6 14
1A3 1Y3
TS0_DATA3 TSI_D3
8 12
1A4 1Y4
TS0_DATA4 TSI_D4
11 9
2A1 2Y1
TS0_DATA5 TSI_D5
13 7
2A2 2Y2
TS0_DATA6 TSI_D6
15 5
2A3 2Y3
TS0_DATA7 TSI_D7
17 3
2A4 2Y4
+3V3_D
SEL_TS0
1 20
1G +5V
19 10
2G DGND
C851
104p/16V/1005
U852
SN74LVC244APWR
TS1_DATA0
2 18
1A1 1Y1
TS1_DATA1
4 16
1A2 1Y2
TS1_DATA2
6 14
1A3 1Y3
TS1_DATA3
8 12
1A4 1Y4
TS1_DATA7
11 9
2A1 2Y1
TS1_DATA6
13 7
2A2 2Y2
TS1_DATA5
15 5
2A3 2Y3
TS1_DATA4
17 3
2A4 2Y4
+3V3_D
SEL_TS1 1 20
1G +5V
19 10
2G DGND
C852
104p/16V/1005
U853
SN74LVC244APWR
TSI_CLK
2 18
1A1 1Y1
TSI_SYNC
4 16
1A2 1Y2
TSI_VAL
6 14
1A3 1Y3
8 12
1A4 1Y4
11 9
2A1 2Y1
13 7
2A2 2Y2
+3V3_D
15 5
2A3 2Y3
17 3
2A4 2Y4
SEL_TS0 1 20
1G +5V
SEL_TS1
19 10
2G DGND
C853
104p/16V/1005 R864
103/1005
2
(No.YA698<Rev.001>)2-53
3 4
R851 101/1005 101/1005 MUX_TSI_D0
MUX_TSI_D0
R852 101/1005 101/1005 MUX_TSI_D1
MUX_TSI_D1
R853 101/1005 101/1005 MUX_TSI_D2
MUX_TSI_D2
R854 101/1005 101/1005 MUX_TSI_D3
MUX_TSI_D3
R855 101/1005 101/1005 MUX_TSI_D4
MUX_TSI_D4
R856 101/1005 101/1005 MUX_TSI_D5
MUX_TSI_D5
R857 101/1005 101/1005 MUX_TSI_D6
MUX_TSI_D6
R858 101/1005 101/1005 MUX_TSI_D7
MUX_TSI_D7
R861 100/1005 MUX_TSI_CLK
MUX_TSI_CLK
R862 100/1005 MUX_TSI_SYNC
MUX_TSI_SYNC
R863 100/1005 MUX_TSI_VAL
MUX_TSI_VAL
+3V3_D
R865
472/1005
R866
103/1005
1 MAIN PWB (7/28)
TS_SEL
Q851
MMBT4401
MAIN PWB ASS'Y (24/28)
[TS Switch]
HU-71100005
3 4
2-54(No.YA698<Rev.001>)
5
DTT ONLY MODEL OPTION
TS0_DATA0 PR851
4
TS0_DATA1 OPEN-000*4/1005
3
TS0_DATA2
2
TS0_DATA3
1
MAIN PWB (8/28)
TS0_DATA4 PR852
4
TS0_DATA5 OPEN-000*4/1005
3
TS0_DATA6
2
TS0_DATA7
1
TS0_CLK PR853
4
TS0_STR OPEN-000*4/1005
3
TS0_VLD
2
1
TP851 PCB_TP08
1
TP852 PCB_TP08
1
TP853 PCB_TP08
1
TP854 PCB_TP08
1
MAIN PWB (8/28)
5
6
A
TSI_D0
5
TSI_D1
6
TSI_D2
7
TSI_D3
8
TSI_D4
5
TSI_D5
6
TSI_D6
7
TSI_D7
8
TSI_CLK
5
TSI_SYNC
6
TSI_VAL
7
8
B
U112H
&MPEG2_ONECHIP FLI10610H
AH7
CDI_CLK
AH6
CDI_VALID
AJ6
CDI_SYNC
AJ7
CDI_D0
AJ5
CDI_ERROR
W3
OOB_DRX
W2
OOB_CRX
W1
OOB_CTX
C
D
6
lt-26_32db1bu_0514_22/30_0.0