Text preview for : sch7_8.pdf part of panasonic sa-dx950 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
C922 330P




50V22
1K RDS_CE


1K RDS_CK
1K RDS_DI
1K RDS_DT




C911
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