JVC LT-26DB1BU/AX Service Manual page 59

MAIN PWB CIRCUIT DIAGRAM (28/28) [QPSK Demodulator]
5
D
TUNER_I_P
TUNER_I_N
MAIN PWB (2/28)
TUNER_Q_P
TUNER_Q_N
R1052
102/1005
TUNER1_SDA
TUNER1_SCL
MAIN PWB (2/28)
C
TUNER_AGC
MAIN PWB
FLI_SDA0
(6/28),(26/28),(27/28) FLI_SCL0
MAIN PWB (7/28) CH_RESET
B
+3V3_TS +3.3VA
L1051 L1051
BLM18PG300SN1D BLM18PG300SN1D
C1071
C1070
106p/10V/2012
106p/10V/2012
A
All location are from 1051 to 1080
5
4
C1051
C1052
R1051
C1053
+3V3_TS
R1053
102/1005
+3V3_TS
R1054 330/1005
R1055 330/1005
R1056 301/1005 R1057
472/1005
C1056
105p/16V/1005
R1060 000/1005
R1061 000/1005
+3V3_TS
R1063
472/1005
R1064
105/1005
Y1051
10.111MHZ/12pF/SMD
C1057
150p/50V/1005
+1V8_CH
+1.8VA
+1V8_CH
L1052
BLM18PG300SN1D
C1072
106p/10V/2012 C1059
473p/16V/1005
4
(No.YA698<Rev.001>)2-61
3
473p/16V/1005
473p/16V/1005
+3.3VA +3V3_TS
+1V8_CH +1.8VA
3092/F/1005
103p/50V/1005
64
I_P
63
I_N
62
Q_P
61
Q_N
54
TUNER_DATA
53
TUNER_CLK
55
TUNER_EN
51
AGCV
52
FILTERV
33
LD(GPIO0)
U1051
CX24123-11Z
38
SER_DATA
37
SER_CLK
36
SER_ADD7
35
SER_ADD6
INTR_OD(GPIO1)
34
/RESET
LNB_DC(GPIO2)
11
XTAL_IN
12
XTAL_OUT
C1058
150p/50V/1005
+1.8VA
C1060 C1061 C1062 C1063
473p/16V/1005 473p/16V/1005 473p/16V/1005 473p/16V/1005
MAIN PWB ASS'Y (28/28)
[QPSK Demodulator]
HU-71100005
3
2-62(No.YA698<Rev.001>)
2
TS1_DATA0 C1054 OPEN-120p/50V/1005
TS1_CLK C1055 OPEN-120p/50V/1005
TS_DO7 PR1051 TS1_DATA7
16 1 8
RS_DATA7
17 TS_DO6 470*4/1005 2 7 TS1_DATA6
RS_DATA6
TS_DO5 TS1_DATA5
18 3 6
RS_DATA5
TS_DO4 TS1_DATA4
19 4 5
RS_DATA4
TS_DO3 PR1052 TS1_DATA3
22 1 8
RS_DATA3
TS_DO2 470*4/1005 TS1_DATA2
23 2 7
RS_DATA2
TS_DO1 TS1_DATA1
26 3 6
RS_DATA1
TS_DO0 TS1_DATA0
30 4 5
RE_DATA0
TS_DEN TS1_VLD
31 5 4
RE_CNTL1
TS_PSYNC TS1_STR
32 6 3
RE_CNTL2
27 7 2
RS_CLK
TS_OCLK TS1_CLK
8 1
PR1053
470*4/1005
60
DISEQC_IN
+3V3_TS +3V3_TS
46
TRS
45
TMS
44
TD0
43
TD1
R1058 R1059
40
TCK
472/1005 472/1005
R1062 470/1005
39
48
LNB_22K
47
13
ADC2CLK
+3V3_TS +3.3VA
C1064 C1065 C1066 C1067 C1068
473p/16V/1005
104p/16V/1005 104p/16V/1005 104p/16V/1005 104p/16V/1005
2
1
D
TS1_DATA[7..0]
MAIN PWB (24/28)
TS1_VLD
TS1_STR
TS1_CLK
C
LNBP_IRQ
MAIN PWB (27/28)
22K_TONE
B
C1069
104p/16V/1005
A
1
lt-26_32db1bu_0514_28/30_0.0