Panasonic SA-AK52 Service Manual page 32

SA-AK52
45(46)
INLC(R)
51(52)
RECL(R)
43(44)
INLB(R)
47(48)
AUX
INLD(R)
JK305
41(42)
CD SIGNAL
INLA(R)
FROM CD UNIT
3
IC603
93LC46B
EEPROM INTERFACE
1
IC602
BU2090AF-E2
I/O EXPANDER
90
44
Q699
SWITCH
FILTER
63 64 3 4 7 8 11 12
(1) (2) (5) (6) (9) (10) (13) (14)
IC301
BH3874AKS2
ASP IC
36 34 37 38 39 35
2
3
CLK
2
DATA
2
3
CONTROL
CIRCUIT
11~13
M38B79MFA053
18
Q601
POWER
+B
RESET
CONTROL
FILTER
23~27
32
(31)
OUTL(R)
17 18 19 56
(20) (21) (22)
FILTER
MIC
JK930
Q930,Q931
MIC AMP +B
VR930
IC601
BU2090AF-E2
I/O EXPANDER
CONTROL
CIRCUIT
MUTE_A
9
NAS_B CTRL
12
NAS_A CTRL
11
G5~G1
4~8
SOUND
ANAZING 14
15
/CD
LED_CTL
13
SWITCH
PCONT
10
+B
+B
MICROPROCESSOR
IC600
29
Z940
32
IC302
M5218AP
Q400(Q200)
BUFFER
MUTING
AMP
Q300
MUTING
SWITCH
Q309,Q310
MUTING
SWITCH
IC304
KIA4558FEL
D572,D573
DUAL
OP AMP
SWITCH
Q450
(Q250)
MUTING
SWITCH
11~15
IC305
TC4052BFNELM
ANALOG SWITCH
9
10
+B
+B
D603,D604,
D903,D904
Q600
Q311
D307
SWITCH
+B
KEY SW
Q307
SWITCH
2~4
34
Q306
AUDIO
MUTING
CONTROL
A
D618
32
SYNC
91
ECONO