Service Manuals, User Guides, Schematic Diagrams or docs for : panasonic Audio SA-AK52 SA-AK52
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SCHEMATIC DIAGRAM - 11
: +B SIGNAL LINE : -B SIGNAL LINE : MAIN SIGNAL LINE
POWER CIRCUIT
IC500
IC500
RSN309W44B
HIC
IN -Di +Di IH DISP -VCC +VCC -VCC +VCC
SIL SIR GND L IN R IN -VD +VD -CIN +CIN RELAY SENS SENS DET HMUT +COUT -COUT GND AC IN R OUT LOW LOW L OUT Hi Hi SOR SOL
26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
<0V>(0V)
<0V>(0V)
<0V>(-0.27V)
<-26.5V>(-26.52V)
((-26.52V))-26.52V
<48.4V>(48.7V)
<-10.1V>(-10.12V)
((-10.12V))-10.12V
<26.11V>(26.15V)
<0V>(0V)
<0V>(0V)
<0V>(0V)
<0V>(0V)
<0V>(0V)
<0V>(0V)
<25.84V>(25.88V)
<0V>(0V)
<-12V>(-12V)
<-26.16V>(-26.21V)
<0V>(0V)
<-48.4V>(-48.9V)
<0V>(0V)
<0V>(0V)
<-12.11V>(-12.11V)
<-47V>(-47V)
<0.2V>(0.21V)
((0.21V))0.21V
<0V>(0V)
<0V>(0V)
((26.15V))26.15V
((0V))0V
((0V))0V
((48.7V))48.7V
((0V))0V
((0V))0V
((0V))0V
((0V))0V
((0V))0V
((0V))0V
((25.88V))25.88V
((0V))0V
((-12V))-12V
((0V))0V
((-48.9V))-48.9V
((0V))0V
((0V))0V
((-12.11V))-12.11V
((-47V))-47V
((0V))0V
((0V))0V
((26.24V))-26.21V
((0V))0V
R511
56K
L550
C506
470P
C503
470P
R523 L550-L551
C516 R518 120K R550 RLQZR73MT-T
C511 0.047 470K L551 10
15P
RK306LFU1
RK306LFU1
R524
D510
D509
C500 150K R551
470P 10
R512
C502 56K
470P C551
C512 0.01
R507
5.6K
15P
C550 C524 C528
0.01 0.047 0.047
R513
5.6K
R506
56K
R502 R534 R536
5.6K C513 R522 10 10
22P 220K
R500 R514 L552-L553
15K 56K RLQZR73MT-T
R503
5.6K Q504 R525
180K L552
C514
22P
2SD1859QRTV2
R501 REGULATOR R552
15K (47.1V)<47.1V> +48V FOR IC500 R526 C519 10
47.1V((47.2V))
10K 16V10 R528
R504 [47V] 22K
15K (48.9V)<48.9V> C552
48.9V((48.9V)) 0.047
C508 [48.9V] C530
0.01 (47.6V)<47.7V> 0.047
47.8V((47.7V))
R519 C526
C507 [47.6V] 4.7 0.047
0.01
R553
L553
C515
10
0.01 R535 R537
Q502 10 10 JK500
2SB1238QRTV2 R517 R520 4
4.7K 4.7 + Rch
REGULATOR 2
-48V FOR IC500 (0.2V)<0.2V> - SPEAKER
GND1 (-49.2V)<-49.1V>
R516 0.2V((0.2V))
3 6 Ohm
1 330 [0.2V] +
-49.1V((-49.1V))[-49.1V] Low Channel
+15V 1
2 (-47.4V) - Lch
HI_LCH <-47.3V>
-47.3V
(-0.01V)
3 ((-47.3V))
<-0.01V> (-0.01V)
HI_RCH [-47.3V]
(-47.7V) C509 R515 -0.01V <-0.01V>
TO 4 <-47.8V>
-47.9V 0.01 4.7K D507 ((-0.01V)) -0.01V
LOW_CH [-0.01V] ((-0.01V))
MAIN 5 C505
((-47.9V))
[-47.9V] [-0.01V] R527
CIRCUIT GND1 0.01 D508 100K JK501
6 R510
(CN300) ON S_CH
7 330
D503 Q505 1 Lch
SCHEMATIC 8
C_CH
(5.14V) 2SD2144STA 2 Rch SPEAKER
DIAGRAM-6 CD <5.16V> D504 6 Ohm
9 5.16V POWER CONTROL C553 3
((5.14V)) SWITCH 0.047 High Channel
10
DCDET [5.16V]
(5.16V)<5.18V> HP : ON/OFF 4
11
PCONT 5.19V((5.17V))
[5.19V]
Q503
12
HP_SW Q501 (-0.01V)
<-0.01V>
-0.01V
(0V)<0V> ((-0.01V))
CP501 0V((0V))[0V] [-0.01V]
(-0.06V)<-0.06V>
-0.06V((-0.07V))[-0.06V]
D505-D506
Q501,Q503 R532 D505 RVD1SS133TA IC501
KTC3199GRTA 150 D503,D504,D507,D508
SWITCH MTZJ24DTA
STK470-090
R521 D506 VOLTAGE REGULATOR
DC DETECT 150
IC501
P.GND
<2.47V>(2.47V) ACTIVE
1
+Vin2
+3.3V
LOW
GND
((15.18V))15.38V +10V
-Vin1
<25.74V>(25.8V) +Vin1
<13.87V>(13.87V) +15V
+5V
+9V
35V3300
-9V
2
DGND
C531
+9V 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
<0V>(0V)
<9.07V>(9.07V)
<-9.72V>(-9.71V)
<15.59V>(15.63V)
<0V>(0V)
<0V>(0V)
<0V>(0V)
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