Service Manuals, User Guides, Schematic Diagrams or docs for : panasonic Audio SA-AK520 ALL SA-AK520P SVC bd2
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FM ANT AM ANT
Z101
Z120
CF201 CF202
AM AM B
Q1 Q2 Q101 ANT OSC
1 7 COIL COIL
MIXER FM
IF AMP
RF AMP
Q3 Q4
5
OSC BUFFER
3 4 6 8
B
(FM)
RCH
24 23 22 21 20 19 18 17 16 15 14 13
ALC DECODER
AM AM AM
OSC MIX RM AMP
BUFFER
PHASE PILOT
DET CANCEL
AGC
LEVEL STEREO
S-CURVE SWITCH
DET
AM AM
IF DET
FM AM/FM
IF IF
FM
DET BUFFER COMP
VCO
TUNING
DRIVE PILOT
FF FF FF
DET
REG
REG
SD
ST
1 2 3 4 5 6 7 8 9 10 11 12
B
IC101 Z102 X102
LA1833NMNTLM
FM/AM IF AMP, AM
DET/AM OSC, IFT
MIX/FM MPX
DO/ST
SD
16 PHASE DETECTOR REFERENCE 1 X103
CHARGE PUMP DIVIDER
20
17 UNLOCK
DETECTOR SWALLOW COUNTER 1 14
1/6,1/17,4 BITS 2
18 12
12 BITS PROGRAMMABLE 13
DIVIDER
11
B
DO 5 ST/DO
UNIVERSAL C2B CE 2 CE
SHIFT REGISTER LATCH
COUNTER I/F
DI 3 PLLDA
15 POWER ON CL 4 PLLCLK
B RESET
19 10 7 6 9 8
Q106
TUNER IC102
15V
B SUPPLY LC72131MDTRM
SWITCH
PLL FREQUENCY SYNTHESIZER
B
A
(FM)
TO CD DRIVE UNIT
FL DISPLAY FROM POWER
TRANSFORMER
FL600
15G
P27
3G
P2
P28, P29, P31~P36
6 7 8~20 34 63 35~60 61,62,64~69
Q661 Q662 Q621 Q636
SWITCH SWITCH B SWITCH B SWITCH
B B
4 3 1,2,54~64 51 21 25~50 15~20,22,23
D1
S1
D2
D14
D0
S0
S26
S29
S27,S28,S30-S35
IC602
/RESET
C0HBB0000039
XOUT
SDATA
FL DRIVER
SCK
XIN
/CS
12 13 7 5 6 8
IC1
C0GAM0000005
MOTOR DRIVE
VS 8
B
REG
5 IN1 OUT1 2
OUT2 10
6 IN2
M
VREF
RM1
GND
VCC
4 7 1 Q1
POWER
SUPPLY B
CONTROL
B
PLLDA
Q303
STAT
SWITCH PUSH SW2
ST/DO Q324
PUSH SW1
CD MOTOR
B SUPPLY OPEN SW3
SWITCH
PLLCLK
Q302
B
BLKCK
SWITCH
D1
Q323
CD_RST
PLUNGER
MOTOR
SUPPLY
SD CONTROL
SWITCH
SW4
CD
SW5
22 77 19 23 21 78 24 74 71 72 73 84 85 88 83 LOAD 89 90 86 87
CHG_SW1
CHG_AD1
SD
FL_DOUT
CHG_SW2
CHG_AD2
FL_CLK
FL_CS
CHG_HLF
FL_RESET
ST/DO
CHG_PLR
PLLDA
PLLCK
STATUS
CHG_CW
CHG_CCW
BLKCK
CD_RST
MLD 79
MLD
MDATA 80
MDATA
MCLK
C2CBJF000015 IC305 MICROPROCESSOR
81
MCLK
CE 25
PLLCE
/RESTSW
V_JOG_A
V_JOG_B
EX1_CLK
EX1_DAT
X_OUT
MBP1
MBP2
X_IN
82 67 68 7 6 15 13 70 69
2 3
D928
X303 11
S701 B
IC601 D610-D612,
SWITCH
VR600 C1BB00000574 D614-D619
(JOG VOL) Q313, Q314 I/O EXPANDER 4-10 B
IC1001
AN7348S-E1
P.B EQ/REC AMP/
ALC/TPS AMP
(DECK 1)
P.B. HEAD LCH
24(23) Q1014(Q1015)
1(2) +
20(5) BUFFER
AMP
22(3) -
(DECK 2) 21(4)
R/P HEAD LCH
17(8)
18(7)
6 10
LOGIC L/H
19 16 Q1012 Q1020
ALC
(Q1013) (Q1021)
15 NOR/CrO & 14 MUTING
HI/LO LOGIC MUTING SWITCH
12 B
LOGIC RIPPLE 13
REC/PB REJECTION
9 11
Q320,Q321
REC:ON/OFF
CONTROL/
SWITCH Q1016
(DECK 2) B DECK
ERASE HEAD L1002 MUTING
SWITCH
BIAS OSC
4 CONTROL
Q1004,Q1005,
Q1007
2 3
SWITCHING
5 (BEAT PROOF/
RECH)
Q1001,Q1003
IC1004
Q319
C1AA00000612
R/P SELECT BP Q318
SWITCH
DECK
MUTING
CONTROL
SWITCH
Q1017 Q325 Q322
MOTOR REC: SUPPLY
ON/OFF CONTROL
SWITCH CONTROL SWITCH
M
B
M1002
Q615, Q619
B B PLUNGER
SUPPLY SWITCH/
PLUNGER:ON/OFF
IC951 IC971 SWITCH
CNB13030R2AU CNB13030R2AU D951
PHOTO PHOTO
INTERRUPTER INTERRUPTER
(F.REC_INH)
(MODE)
Q617, Q618
(HALF)
(MODE)
(HALF)
Q612 Q610 PLUNGER
SUPPLY SWITCH/
SWITCH SWITCH PLUNGER:ON/OFF
PHOTO:ON/OFF PHOTO:ON/OFF SWITCH
S972
S971
S975
D971
S952
S951
Q616 Z971 Q611
SWITCH INTERFACE SWITCH
PHOTO:ON/OFF PHOTO:ON/OFF
53 52 55 91 54 58 66 59 60 65 56 57
DECK1_H
PHOTO_1
MODE_1
BP1
PLG1
HALF_1
PHOTO_2
PLG2
DECK2
MTR
REC
DMT
C2CBJF000015 IC305 MICROPROCESSOR
XC_OUT
XC_IN
/CD
Q326 Q327 Q328 75 10 11
SWITCH SWITCH Q308, Q309
B SWITCH
Q310 CURRENT
CD ON/OFF CONTROL/
B SUPPLY VOLTAGE B
B STABILISER X301
SWITCH D307
CD 3.3V
B
4(39) IC301
IN B1(2)
C0AABB000117
HEADPHONE AMP Q405(Q205)
19(24) 3(5) 1(7) HPF FREQ
OUT1(2) FILTER AMP
SWITCH
AMP
Q401
(Q201)
5(38)
IN C1(2)
AGC
SWITCH
Q404(Q204)
LPF FREQ
9(34) Q402 FILTER AMP
A_VOLIN1(2) Q407 (Q202) SWITCH
(Q207)
MUTING MUTING
8(35) IC300 SWITCH SWITCH
REC1(2)
C1BB00000747
AUDIO SOUND B
PROCESSOR
AUX 6(37)
IN D1(2)
JK300
Q403(Q203)
HEADPHONE HP_L(R)
3(40) MUTING
CD SIGNAL IN A1(2) SWITCH
CLOCK
DATA
21 22
Q301
AUDIO
MUTING B
CONTROL
SWITCH
MUTE_A
MUTE_H
MUTE_A
SW_LV1
SW_LV2
Q409
(Q209) B
SWITCH
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