Service Manuals, User Guides, Schematic Diagrams or docs for : panasonic Audio SA-AK520 ALL SA-AK520P SVC MD0311487C1 doc sch520p
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SCHEMATIC DIAGRAM - 4
: +B SIGNAL LINE : AUX SIGNAL LINE : MAIN SIGNAL LINE TO
: -B SIGNAL LINE : PLAYBACK SIGNAL LINE : RECORD SIGNAL LINE PANEL CIRCUIT
(CP601) ON
SCHEMATIC DIAGRAM-11
MAIN CIRCUIT CN303
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
EXP_CLK
DGND
SSEQ_LED
EXP_DAT
LED9V
KEY2
KEY1
KEY3
FL_RST
D_GND
FL_CLK
FL_CS
-VP
FL1
FL2
SW5V
FL_DOUT
1 CR02
2 MOTOR
BP1
3
4 DECK1_H
DMT
5
SSEQ_LED
TO
FL_DOUT
EXP_CLK
DECK1_H
EXP_DAT
6 MOGND
FL_RST
DECK
FL_CLK
LED9V
FL_CS
SW5V
KEY3
KEY2
KEY1
CIRCUIT
/DMT
FL1A
FL2A
MTR
/BP1
MOT+B MOT10V
-VP
7
(CN1001) ON
REC_H REC
SCHEMATIC 8
DIAGRAM-17 +15V +15V
9
RECINR REC_R
10
RECINL REC_L
11
AFGND C306
12 50V1
PBR PBR
13
PBL
14 PBL
CN304
+9.0V
C443
R201 0.1
10K AUXR
RCH R437 R436 R445
L305 C201 C202 R202 8.2K 8.2K 220
J0JBC0000019 680P 100P 3.3K Q404
AUX
C401 C402 R402 R439 C430
680P 100P 3.3K AUXL 2.7K 0.033
-9.0V Q204, Q404
LCH
R401
10K R438
KTC3875GRTA
JK300 LPF FREQ AMP
C435 100K SWITCH
VREF+ R443 50V1
LO_L 1.8K C431
1800P
R340 R396 R395 R343
10K 47K 47K 10K
CHG_CW CHG_CW
14
CHG_HALF CHG_HLF Q204 R237 R236
13 8.2K 8.2K
CD8V
12 CD8V C230
R239
CHG_CCW CHG_CCW 2.7K 0.033
11
TO R344 22K CHG_AD1
CLAMP
CD LOADING 10 R238
CIRCUIT R345 12K CHG_AD2 C235 100K
OPEN R243
9 50V1
(CN1) ON LO_R 1.8K C231
CD_SW1 CHG_SW1 1800P
SCHEMATIC 8
DIAGRAM-14 PGND
7
C326
CD_SW2 0.47 CHG_SW2
6
DGND
5
5V R348 220 SW5V
4
POSITION
Q405 C433 C432
R346 22K 8200P 8200P
3 Q323
BOTTOMSW R347 12K
2 R442 R440
CHG_PLR 5.6K
PLUNGER 4.7K
1
CN309 R349 Q205, Q405
1K R441
R444 C434
50V1 12K
KTC3875GRTA
HI_L 1K HPF FREQ AMP
R350 SWITCH
10K
MOT10V
D324
B0ACCK000005
Q324 Q323
Q324
KRC102STA Q205 C233 C232
KTA12710YTA PLUNGER MOTOR 8200P 8200P
CD MOTOR SUPPLY SWITCH SUPPLY CONTROL SWITCH
R242 R240
CD3.3V 5.6K 4.7K
R324 R323
12 15 CD8V
Q308 R244 C234 R241
12K
1K 50V1
HI_R
C321 R325
0.01 10K
R327
B0ACCK000005
D307 1K
D307-D308
Q309
/CD
SW5V
R326 Q308 Q309 Q310
100 Q310
D308 KTA12710YTA KTC3199GRTA KRA110MTA
CURRENT CONTROL VOLTAGE STABILISER CD ON/OFF
C320 SWITCH CD3.3V SUPPLY SWITCH
R329 R328
330 10V22 2.2K
SCHEMATIC DIAGRAM - 5
: +B SIGNAL LINE : CD SIGNAL LINE : MAIN SIGNAL LINE TO
PANEL CIRCUIT
: -B SIGNAL LINE (CP602) ON
SCHEMATIC DIAGRAM-11
MAIN CIRCUIT CN302
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
MOT10V
MOT10V
PCONT
HP_GND
HP_GND
HP_L
V_JOG_A
V_JOG_B
SYS6V
SYS6V
DECK_2
VREF+
DVREF
RMT
HP_R
SYNC
D_GND
D_GND
MODE_1
PHOTO1
P_GND
P_GND
HALF_1
PHOTO2
PLG2
PLG1
+9V
R820
470
/PHOTO1
/PHOTO2
V_JOG_A
V_JOG_B
/MODE_1
/HALF_1
MOT10V
DVREF+
DECK_2
PCONT
VREF+
-9.0V SYS6V
/PLG2
/PLG1
SYNC
HP_R
HP_L
RMT
+9V
HP_R
HP_L
OUT1
R403
R203 1
1 R404 R406
R206 R204 33 33
33 33 D401
MA2J72800L
Q207, Q407
R207 R205 R208 R408 R405 R407 Q401 R456 R256
33 33 3.3K 3.3K 33 33 R431 C428
R430
1K R429 1.5K 1.5K KTD1304TA
100K 16V10 MUTING SWITCH
12K
C403 R433 Q401 Q407 Q207
C203 1000P R432 4.7K
1000P 2.2K KTC3875GRTA
AGC CONTROL R455 R255
100K 100K
R427 R426 R248
47K 3.3K R448 4.7
4.7
C421
C429 R428 C427 C426 C425 16V10
50V1 2.2K 16V10 47P 100P
LHPF R423
1 2 3 4 2.7K
R424
C440 OUT1 -IN1 +IN1 GND 4.7K
R434 1000P
100K C424 R425 C313 C423 C422
50V1 47K 0.01 100P 0.033
IC301
C224
50V1 C312 C223 C222
R234 C240 100P 0.033
100K 0.01
1000P
VCC OUT2 -IN2 +IN2 R226 R224
RHPF 8 7 6 5 3.3K 4.7K
R225 R229
R245 C229 R228 C227 R227 47K 18K
220 50V1 2.2K 16V10 47K
R223 C221
C226 C225 16V10
47P 100P 2.7K
IC301
C0AABB000117
R310 HEADPHONE AMP
C309 R232 D201
R309 10V10 56K R818 R230
Q201 2.2K MA2J72800L 1K Q319
27K 2.2K
KTC3875GRTA Q201 KRC102STA
Q301
Q301 AGC CONTROL R231
BP SWITCH
R233 C228
MUTE_A
100K Q318
SUBWC
B1GDCFJJ0023 4.7K 16V10
KRC102STA
+9.0V
+9.0V
-9.0V
AUDIO MUTING
CONTROL SWITCH DECK MUTING CONTROL SWITCH
SW5V
DMT
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