Text preview for : sch12.pdf part of panasonic sa-dx1050 service manual with schematics



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SCHEMATIC DIAGRAM - 12
: +B SIGNAL LINE : -B SIGNAL LINE : FM/AM SIGNAL LINE



S-VIDEO CIRCUIT
D302 RVD1SS133TA




<-5.17V>




<3.06V>




<5.18V>
IC302




<0V>

<0V>




<0V>

<0V>
NJM2279D




C312
C311
VIDEO SELECTOR




0.1

0.1
14 13 12 11 10 9 8
-V C3 IN1 C4 O1 NC +V

C302
0.022
C301
IC302
4 C Y 3
DVD 16V47

R303
R301

R302
100K




R304
2 G1

10K
75




IN3 C1 IN2 C2 O2 GND2 GND1




75




<3.6V>
1 2 3 4 5 6 7




<0V>


<0V>
<0V>




<0V>
<0V>
<0V>
C304




R314
0.022




75
C303




R312
75
4 C Y 3 C308
VCR1 16V47
R307
R305

R306
100K




47P
R308




IN 2 G1 D301
10K
75




75




RVD1SS133TA

R310
<-5.16V>
75




<3.04V>




<5.14V>




6.3V100
50V100
R309 +5V




C309

C310




C313
<0V>
<0V>

<0V>




C314
<0V>




0.1

0.1
TV MONITOR 4 C Y 3 6
OUT 75 -5V
C305

C306




5
47P


47P




2 G1 14
-V
13
C3
12 11
IN1 C4
10
O1
9
NC
8
+V V_GND TO
4 DIGITAL CIRCUIT
V_GND (CN354) ON
3
R316 1K V_SELB SCHEMATIC
JK301 2
IC301 V_SELA DIAGRAM-1
1
R315 1K
W354
IN3 C1 IN2 C2 O2 GND2 GND1
1 2 3 4 5 6 7
<0V>
<0V>


<3.55V>




<0V>


<0V>
<0V>


<0V>




IC301
R313
75




NJM2279D
R311




VIDEO SELECTOR
75




C307
47P




TO
TUNER PACK
(RAN002EM)

PHONO EQ CIRCUIT CP101
1 2 3 4 5 6 7 8 9 10 11
+14V
SD_
7.5V
RDS_




IFIF_
TU_ROUT
TNR_CE_
TU_LOUT
TUN_DT


TUN_CK_
R463 R461
12K 180K +14V
R459 C461 C459 C463 PH_L_
68 6800P 0.022 50V4.7
-14V
R453 C451
R449
56




C455
<-16.17V>




390 50V4.7
<-0.13V>




1000P R467
10V33
C457




MTZJ7R5CTA R450
<0V>
<0V>




56




R469 47K
1K R468
C466




16V33
R465




C489
0.01


56K




4 3 2 1
C453
220K




R455
R451




10P




C469
56K




180P VSS 47K
L CH
R457




D401
270




C467




3
0.01




4
PHONO IC451
2
10V33
C458




R CH
C454
R456
220K




C470
R452




10P
56K




C490




1
16V33
C465




VCC
R466
0.01

56K




180P IC451
5 6 7 8
JK401 AN6558F
<14.21V>
<-0.14V>
<0V>

<0V>




R470 OP AMP
R458
270




1K

C452 C456
R454
+14V
1000P
390 50V4.7
R460 C462 C460 C464
68 6800P 0.022 50V4.7 PH_R_
TUN_CK
TUN_DT
TNR_CE




R464 R462
PH_L_
PH_R_
+14V




IFIN_
-14V




RDS




12K 180K
SD




1 2 3 4 5 6 7 8 9 10 11 12 13
W402


TO
MAIN CIRCUIT
(CN401/CN402) ON
SCHEMATIC DIAGRAM-9