Panasonic SA-PM31P Service Manual page 75

SCHEMATIC DIAGRAM-5
MAIN CIRCUIT
R480
47K
/RST
C303
470P
RESTSW
HP_SW
SSEQ_LED
MOTOR
PLUNGER
DECK_AD1
DECK_AD2
REG1
KEY3
R385
KEY2
R307
R360 R389
KEY1
820 10K R308
VOL_JOG
R310 R386 R309
10K
10K 10K
VREF+
VCC
Q302
KRC102STA KTA1504GRTA
PCONT SWITCH
R332
470K
R331
10K
R333
4.7K
Q301
: +B SIGNAL LINE
R306
10K
R384
4.7K
R383
10K
R382
81
100
82
83
R479 1K
84
WA114
R381 100
85
86
R379 100
87
R378 100
88
89
90
91
100
92
100
93
100
94
R417 100
95
96
97
98
99
100
R461 4.7K
R455 4.7K
R457 4.7K
R456 4.7K
R458 4.7K
C331 100P
C329 100P
Q301,Q303
SWITCH
D302
C325
B0ACCE000003
R357
R358
R330
470K
Q303
R334
1K
Q302
C327
220P
C345 100P
C344 100P
C304 100P
80 79 78 77 76 75 74 73 72 71 70 69 68
NC
/RESTSW
NC
HP_SW
SSEQ_LED
RE_LED
MOTOR
PLUNGER
DECK_AD1
C2CBJG000574
DECK_AD2
MICROPROCESSOR
REG1
KEY3
KEY2
KEY1
VOL_JOG1
AVss
NC
VREF
AVCC
DEMO
SETTING
1 2 3 4 5 6 7 8 9 10 11 12 13
R459
100
0.022
R354
22K
680
22K
4 3 2 1
R355
330K
IC303
C3EBEG000073 R356
10M
EEPROM
5 6 7 8
R359
4.7K
75
67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52
IC302
14 16 17 18 19 20 21 22 23 24 25 26 27 28 29
15
WA122 WA119 WA117
C322 68P
R352
4.7K
R353
X301
4.7K
H2A100500006
Q307
C321 68P
C323
C318
18P
Q308 56P
C319 C317
C324
1000P 1000P
22P
Q307, Q308
B1ABCE000016
BEATPROOF SWITCH
SA-PM31P / SA-PM31PC
51
PLAY_SW
50
PCONT
49
STATUS 48
DCDET
47
CE 46
RDS_DAT
45
RDS_CLK 44
MLD
43
MDATA_OUT
42
EPM
41
MUTE_A
40
MCLK 39
NC
38
NC 37
NC
36
NC 35
BUSY 34
SCLK
33
TXD 32
RXD
31
30
WA103
C306
100P