Service Manuals, User Guides, Schematic Diagrams or docs for : panasonic Audio SA-AK44 Panasonic SA-AK44 sch4_6
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SCHEMATIC DIAGRAM - 4
: +B SIGNAL LINE : MAIN SIGNAL LINE : FM/AM SIGNAL LINE
: CD SIGNAL LINE : RECORD SIGNAL LINE
TO PANEL CIRCUIT (CP605)
ON SCHEMATIC DIAGRAM-8
MAIN CIRCUIT CN303
20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 28 27 26 25
SPC
/CD
HPL
TX
SPB
PLLDA
CDR
PGND
HPR
PLLCLK
A.GND
VREF+
CDL
HP_SW
PLLCE1
SPA
CD3.3V
CD7.5V
HP_GND
CDDGND
DC_DET2
DC_DET1
CHG_PLGR
CHG_HALF
R411 2.2K
C382 R212 R211
SPC
ASP_CLK
SPB
SPEANA
SPA
1000P 4.7K 2.2K
R412
4.7K
50V2.2
50V2.2
C235
50V2.2
C433
C233
JK305 R401 C357 16V10
R367
10K
10K
Lch AUX1_L
((2.19V))2.49V R371
((0.64V))0.64V 4.7K
AUX1_R C434 50V4.7
C401 C402 R402
680P 100P 3.9K
<4.51V>(4.52V)
<4.51V>(4.51V)
<4.51V>(4.51V)
<0.01V>(0.01V)
<4.52V>(4.52V)
<4.51V>(4.51V)
<4.51V>(4.51V)
<4.51V>(4.51V)
<4.52V>(4.55V)
<0.64V>(0.64V)
<4.51V>(4.51V)
<4.55V>(4.51V)
((4.51V))4.52V
((4.50V))4.52V
((4.50V))4.52V
((0.01V))0.01V
((4.52V))4.52V
((4.50V))4.52V
((4.50V))4.52V
((4.51V))4.50V
((2.19V))2.43V
((2.19V))2.91V
((4.50V))4.52V
((4.51V))4.50V
C234
((4.5V))4.55V
<2.2V>(2.2V)
<2.2V>(2.2V)
<2.2V>(2.2V)
50V4.7
AUX
C201 C202 R202
680P 100P 3.9K
C435 50V2.2
Rch C303
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34
R201 R210
INRD
16V10
INRC
SCK
INRB
INRA
INLC
INLD
INLB
INLA
BPOUT
BPMF
SI
10K
C
1K
B
A
<0V>(0V)
R302 R301 ((0V))0V
49 ALCC
C436 50V2.2
100K 100K
R209 <3.99V>(4.0V) 50 ALCR
47K
C407 16V10 ((3.99V))3.99V
<4.57V>(4.57V) 51 RECL
C207 ((4.57V))4.57V
R410 <4.57V>(4.57V) 52 RECR
C236 50V2.2
1K 16V10 C308 ((4.57V))4.57V
<4.54V>(4.54V) 53 VFC1
0.1 ((4.54V))4.54V
R409 <0V>(0V) 54 GND
47K ((0V))0V
<4.53V>(4.53V) 55 VFC2
2B C310 ((4.53V))4.53V IC301
C301 302
0.047 <4.53V>(4.53V) 56 MIC BH3874AKS2
1000P R414 ((4.53V))4.53V
R207 <4.54V>(4.54V)
57 DPLL1 AUDIO SOUND PROCESSOR
RCH 1.5K 10K ((4.54V))4.54V
TO CE R300 PLLCE1 <4.53V>(4.53V) 58 DPLL2
R214 ((4.53V))4.53V
TUNER LCH 4.7K R208 C204 <4.54V>(4.54V)
59 DPLR1
CIRCUIT 10K 220P 10K ((4.54V))4.54V
PLLDA <0V>(0V) 60 DPLR2
(2A) ON ((0V))0V
SCHEMATIC DO/ST <4.52V>(4.52V) 61 PS1
C304 ((4.52V))4.52V
DIAGRAM-3 PLLCLK 0.047 <4.53V>(4.53V) 62 PS2
301 ((4.53V))4.53V
63 F1L1
<4.53V>(4.53V)
R407 C305 ((4.53V))4.53V
1.5K 4700P 64 F1L2
F1R1
F1R2
F2R1
F2R2
F3R1
F3R2
F4R1
F4R2
F2L1
F2L2
F3L1
F3L2
F4L1
F4L2
<4.53V>(4.53V)
C300
F5L
TUN_GND ((4.53V))4.53V
TO 0.01 D318
15V UDZSTE177R5B R408 C404 C307 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
TUNER 10K 220P C306 50V0.15
<4.51V>(4.52V)
((4.52V))4.52V
<4.52V>(4.52V)
((4.52V))4.52V
<4.52V>(4.52V)
((4.52V4)).52V
<4.52V>(4.52V)
((4.52V))4.52V
<4.52V>(4.52V)
((4.52V))4.52V
<4.52V>(4.52V)
((4.52V))4.52V
<4.52V>(4.52V)
((4.52V))4.52V
<4.52V>(4.52V)
((4.52V))4.52V
<4.52V>(4.52V)
((4.52V))4.52V
<4.52V>(4.52V)
((4.52V))4.52V
<4.52V>(4.52V)
((4.52V))4.52V
<4.52V>(4.52V)
((4.52V))4.52V
<4.52V>(4.52V)
((4.52V))4.52V
<4.52V>(4.52V)
((4.52V))4.52V
<4.52V>(4.52V)
((4.52V))4.52V
DO/ST R303 ST_DO 50V0.33
CIRCUIT
(1A) ON SD 10K SD
SCHEMATIC 7.5V R304 +9.0V
DIAGRAM-3 MUTEA 10
50V0.15
4700P
4700P
C333
0.022
C323
0.022
C335
C312
C340
1B
C311 C322 C324 C334 C336 C341
50V0.33 0.022 0.022 4700P 4700P 1000P
PBL
10
PBR
9
AGND
8
RECL
C316
C314
7
0.1
0.1
TO 6
RECR
DECK CIRCUIT 15V
(H1001/W1001) 5
DGND C313 C315
ON SCHEMATIC 4 R213 R413 0.1 0.1
MO10V 56K 56K
DIAGRAM-10 3
MOGND
2
MECA.G
1
CN304
R215 R415
1K 1K
R309
470 TX
INPUT 1
CD3.3V
VCC 2
GND 3
C383
JK300 C309 C302 C384 1000P
6.3V100 0.01 100P
UP_DGND
SCHEMATIC DIAGRAM - 5
: +B SIGNAL LINE : -B SIGNAL LINE : MAIN SIGNAL LINE
TO
PANEL CIRCUIT
(CP607) ON SCHEMATIC
MAIN CIRCUIT DIAGRAM-8
CN302
24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
LED9V
ASP_LATCH
PCONT
ASP_DATA
DGND
MUTEA
SW1
SW5V
DET_OUT
NAS_A
NAS_B
CHG_AD1
SW2
CHG_AD2
CHG_CCW
SD
ASP_CLK
CHG_CW
+9.0V
ST_DO
SPEANA
-VP
C375
1000P
R380
1K
ASP_LATCH
HPR
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