Text preview for : sch7_8.pdf part of panasonic sa-dx850 service manual with schematics
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SCHEMATIC DIAGRAM - 7
: +B SIGNAL LINE : -B SIGNAL LINE : MAIN SIGNAL LINE
PANEL CIRCUIT
TO TO TO
MAIN CIRCUIT MAIN CIRCUIT MAIN CIRCUIT
(CN903)ON (CN902)ON (CN901)ON
SCHEMATIC SCHEMATIC SCHEMATIC
DIAGRAM-10 DIAGRAM-10 DIAGRAM-9
CP903 CP902 CP901
1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8
SD
D_GND
+5.6V
TC916X_TNR_CLK
0V2
0V1
RDS_IN
TC916X_STB
IF_DATA
FL_AC2
VP(-27V)
S_DET
TNER_CE
LIMITTER
TC916X_TNR_DT
HP_GND
SP_A
SP_B
HP_R
AF_MUTE
SIC
+6.2V
FL_AC
SUBV_MUTE
RELAY
HP_L
FL901
RSL0312-F
1 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
SEG1
SEG2
SEG3
RLQB101KTA-Y
C930 330P
R927
C929 330P
100
L901
D905
C928 330P
50V22
C909
MA167ATA
C927 330P
R915
100
C926 330P
C925 330P
50V22
C910
D908
50V10 MTZJ5R6BTA
R916
C924 330P
100
MA167ATA
C923 330P
D903
D909 C922 330P
50V22
1K RDS_CE
1K RDS_CK
1K RDS_DI
1K RDS_DT
C911
MA167ATA C921 330P
D970
RVD1SS133TA 50V22
50V10
C912
C914
C913
10K
6.3V100
L970
1000P
C971
C970
RLQZP101KT-Y
R971
R974
R973
R972
R975
D911
6.3V100
RVD1SS133TA C915
R922
100K
<-24.67V>
<-31.59V>
<-26.97V>
<-22.39V>
<29.29V>
C916
24 23 22 21 20 19 18 17 16 15 14 13
0.01
<0V>
<0V>
<0V>
<0V>
<0V>
<0V>
IC970 80 79 78 77 76 75 74 73 72 71 70
LC72720N IC970
DEG2
DEG1
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
RDS
RLQZP101KT-Y
81 DEG3
<-27.01V>
1 2 3 4 5 6 7 8 9 10 11 12 82 DEG4
<-27V>
L971
83 DEG5
<-27.01V>
84 DEG6
<-27.01V>
85 DEG7
X970 <-29.34V>
C974
560P
RSXC4M33S02T 86 DEG8
E401 C978 C977 C976 C975 <-27.02V>
6.3V100 0.01 16V10 330P C973 C972 87 DEG9
<-27.04V>
47P 47P 88 DEG10
R976 <-29.4V>
100K RDS IN
C1682 C1681 89 VEE
W908 0.01 0.01 <-31.92V>
R1687 R1685 R1683 R1681 HP_L 90 CS49326_SCDOUT
CS49326_SCDOUT <5V>
R1689 27 27 27 27 91 CS49326_CDIN
CS49326_CDIN <0V>
27 92 CS49326_CCLK
CS49326_CCLK <0V>
<0V> C1683
R1691 Q1681 3300P CS49326_CS <4.88V>
93 CS49326_CS
27 94 CS4226_RESET
<-16.23V> R1695 CS49226_RESET <4.88V>
<0V> 1K R1699 95 CS49326_RESET
R1693 3.3K AF_MUTE CS49326_RESET <4.88V>
27 96 INIT_IN
HP_GND C908 <0.27V>
97 AVSS
R1694 0.01 <0V>
27 C1685 98 VREF
<5.03V> THERM/OVLD1
THERM/OVLD2
<0V> 0.01
R1692
Q1682 C1684
VIDEO_B <0V>
99 VIDEO_B
RDS_CLK
3300P D913
RDS_DO
RDS_CE
TNR_CE
IF_DATA
<4.86V> 100 VIDEO_A
RDS_DI
27 <-16.31V> R1696 RVD1SS133TA VIDEO_A
KEY1
KEY2
<0V> 1K
SD
R1690 R1688 R1686 R1684 R1682
27 R911 R910 1 2 3 4 5 6 7 8 9 10 11
27 27 27 27 HP_R 2.2K 2.2K