Text preview for : sch9t11.pdf part of panasonic sa-dx1050 service manual with schematics



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SCHEMATIC DIAGRAM - 9
: +B SIGNAL LINE : -B SIGNAL LINE : FM/AM SIGNAL LINE : MAIN SIGNAL LINE




TO TO
VCR CIRCUIT (W351) PHONO EQ CIRCUIT (W402)
ON SCHEMATIC DIAGRAM-13 ON SCHEMATIC DIAGRAM-12

MAIN CIRCUIT 1 2 3 4 5 6
CP403 CN401
1 2 3 4 5 6 7 1 2 3 4 5 6
CN402




IFIN
CK9162
TNR_CE
DT_9162
TU_L
SD
GND
VCR_R
COM_L


VCR_L




PH_R
+14V
-14V
TU_R




RDS
COM_R




GND




PH_L
TU_R

DT_9162
+14V
CK_9162
R425 R426
R423 10K 10K
1K <1.18V>
<14.3V>


<0V>

<0V>




<0V>

<7V>




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




<7V>
<0V>
<0V>
<0V>
<0V>
28 27 26 25 24 23 22 21 20 19 18 17 16 15
C401 C403 +VDD DATA CLK
50V4.7 0.01
IC401
L CH
S1 S2 S3 S4 S5 S6 S7 S8 IC401 TC9163AN
R401 C421 C402 C404 -VSS STB GND SELECTOR
CD 1K 100P 50V4.7 0.01 10 11 12 13 14
1 2 3 4 5 6 7 8 9
<0V>
<0V>
<0V>
<0V>
<0V>
<0V>
<0V>
<0V>
<-16.53V>




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



<0V>
<0V>




R CH
R402 C422
1K 100P
C405
L CH 100P
R405 C425
REC 1K R424
(OUT) 330P 1K R427
10K
R CH
R406
TAPE 1K C426 STB_9162
JK402 330P -14V
L CH R407 C427
PLAY 1K TU_L
330P
(IN)
R CH
R408 C428
1K 330P

L CH
R409 C429
1K 100P
TV
R CH
R410 C430
JK403 1K 100P
Q401 <-2.24V>
L CH <0V> D403-D404
R411 C431
1K 100P <0V> RVD1SS133TA
RO
R CH
R412 C432
VCR 1K 100P D403 R435
47K Q401-Q402
L CH
R413 C433 2SK2880CTA
PB 1K 100P <0V> <-1.79V> SWITCH TRANSISTOR

R CH
R414 C434 <0V> Q402
C435
JK404 1K 100P 0.1
L CH D404
R403 C423
DVD 1K 100P R436
1K R415 C417 C413
R CH 1K 16V10 16V10
R404 C424 L1
JK405 1K 100P
-14V
<-16.51V>




C499
1000P
<0V>

<0V>
<0V>
16V22




R417
R421
100K
C409


100P
C411




47K




4 3 2 1 C415 R419
VSS 0.01 100K

IC402
IC402 NJM4580DD
OP AMP
VCC
C416 R420
16V22




5 6 7 8
C412
100P
C410




R422

R418
100K

47K




<0V>
<0V>




<14.3V>
<0V>




0.01 100K




R1 +14V
C414 16V10


R486 C482 R416 C418
VCR_RECMUT




1K 50V3.3 SW_OUT 1K 16V10
MAIN_SWIN




SUB WOOFER
MAIN_SRIN
MAIN_SLIN




C483 R485
MAIN_CIN
STB_9162




OUT
CK_9162
DT_9162




SOUT_R




100P 100K
TNR_CE
SW_MIX




SOUT_L




JK406
S-DET
AGND




+5.6V
OVL1
OVL2
+14V


-14V




RDS
MAIN

MAIN
_RIN




IFIN
_LIN




SD




1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1 2 3 4 5 6 7 8
CN1000B CN901


TO TO
DIGITAL CIRCUIT (CN1000A) PANEL CIRCUIT (CP901)
ON SCHEMATIC DIAGRAM-3 ON SCHEMATIC DIAGRAM-7
SCHEMATIC DIAGRAM - 10
: +B SIGNAL LINE : -B SIGNAL LINE : MAIN SIGNAL LINE

MAIN CIRCUIT
LS3 LS4
IC651




NC(OPEN)

NC(OPEN)
C583




OVERDET
16V10




+HOUT
SENS+




-HOUT
SENS-


IHDET
SGND
MAIN_SLIN




DISP
R593




GND




VH+
+VD
IN2-
IN1-




RLY




Vo1




Vo2
VH-
-VD




DC




AC
2.7K
<0V> R550 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1




<55.6V>
<-55.4V>
<-24.03V>
R583 <-16.37V> 8.2K




<0V>

<-50.4V>




<-9.34V>




<-0.24V>

<-11.4V>
<0V>




<51.1V>
<0V>




<0V>




<-12.32V>



<0V>

<0V>
<0V>




<10.72V>




<0V>



<0V>




<24.05V>
<0V>
Q553




<-8.72V>
47K R553
<0V> 1K C535 R545
<0V> 0.1 680K
<-16.36V> C653
R584 Q554 820P




R685
150K
C685
RS3 47K R554




0.01
R688

R687


R679
150K
<0V> 1K




R682
R681


220K
150K




180K
-14V




6.8K




D652

D651
C654
820P
C658
10P
MAIN_SRIN C584 R594 C652 R654 R656 R658
16V10 2.7K 63V33 3.3K 220 56K
RS4
R671 330
R674 R655
4.7 220 R672 150
R657