JVC LT-19DB1BU/AX Service Manual page 55

MAIN PWB CIRCUIT DIAGRAM (25/28) [CHANNEL POWER]
1
A
DVB-T+C POWER
MAIN PWB (3/28) SMPS_ON
TP764
+5V4STB
PCB_TP10
B
C881 C882
106p/16V/2012
104p/16V/1005 OPEN-105p/16V/1005
TP766
PCB_TP08
+5V
U883
LD1117AL-ADJ
3 2
VIN VO
4
C
TAP
C897
104p/16V/1005
D
All location are from 881 to 920
1
2
U881
LD29150PT/P-PAK 5P
MAX 1.5A
TP765
+5VTA
PCB_TP08
C886
R881 C885 C890
3092/F/1005
C883 101p/50V/1005 104p/16V/1005
106p/16V/2012
R883
103/F/1005
TP767 TP768
PCB_TP08 PCB_TP08
+3V3DT
U884
MAX 330mA LD1117AL-1.2/SOT-223
3 2
VIN VO
4
TAP
R885
121/F/1005
C898 C899
226p/6.3V/2012
104p/16V/1005
106p/10V/2012
R887
201/F/1005
2
(No.YA697<Rev.001>)2-55
3
+5.03V
MAX 490mA
[TUNER : FQD1116]
ANT_PWR : 100mA
VP_TUN : 230mA
+5V_IF : 160mA
[DVB-T DEMOD : TDA10048]
+3V3DT : 78mA
+1V2DT : 82mA
+1V2DT
C895 C896
104p/16V/1005
MAIN PWB ASS'Y (25/28)
[CHANNEL POWER]
HU-71100004
3
2-56(No.YA697<Rev.001>)
4
QPSK POWER
TP769 TP770
PCB_TP08 PCB_TP08
+5V
U882
LD1117AL-ADJ
3 2
VIN VO
4
TAP
C888
C884
104p/16V/1005 R882
106p/16V/2012
121/F/1005
R884
201/F/1005
TP771 TP772
PCB_TP08 PCB_TP08
+3V3_TS
U885
LD1117AL-ADJ
3 2
VIN VO
4
TAP
C893
R886
121/F/1005
226p/6.3V/2012
R888
560/F/1005
4
5
A
+3V3_TS
C891
C892
B
104p/16V/1005
106p/10V/2012
+1V8_CH
+1.833V
C894
104p/16V/1005
C
D
5
lt-19db1bu_0514_23/30_0.0