Technics SA-310 Service Manual

SA-EX310
Terminal Functions Of ICs
 IC901 (M38B53M4053F) System Microprocessor
Terminal Guide of ICs, Transistors and Diodes
Pin
No.
Mark
I/O
Function
Pin
No.
Mark
I/O
Function
No.1
LA1832A
LC7218
1
12
24
13
NJM2279D
1
7
14
8
TC9163AN 28Pin AN6558F
UPC4570C
1
4
5
8
BA6218
1
9
2SD2137PQTA
2SB1417PQTA
M5218P
LV1016L
1
12
24
13
LA2786L 42Pin
No.1
M38B53M4053F
80 Pin
No. 1
RSN307M44-P
1
18
28
26
2SD592AQSTA
2SA992EFTA
2SB621AQSTA
2SC3940AQSTA
2SA933SSTA
2SC1740SSTA
B
C
E
E
C
B
2SB1548PQAU
2SD2374PQAU
B
C
E
2SC2787LTA
2SC2785FETA
2SC3311ARTA
2SD1915FTA
E
C
B
RVTDTA113ZST
RVTDTA114EST
RVTDTC143XST
RVTDTA143XST
RVTDTC114YST
RVTDTA114YST
RVTDTA114EST
33~48
SEG16~SEG1 O FL segment signal output
49~58
DEG1~DEG10 O FL digit signal output
59 INIT_IN I Diode input
60 VOL_DOWN O
61 VOL_UP O
62 LOUDNESS  Not used
63 IF_DATA I Serial data signal
64 REC_MUTE  Not used
65 TNR_CE O Chip enable signal
66
SEL/TNR_CK O Serial clock signal
67
SEL/TNR_DT O Serial data signal
68 SEL_ST O Level shift control terminal
69 OSD_ST  Not used
70
SURR/OSD_CK O Serial clock signal
71
SURR/OSD_DT O Serial data signal
72 SURR_CE O Chip enable signal
73 AVSS  GND for A-D conveter
74 VREF I Reference voltage for A-D convertion
75 SD I SD signal detect input
76 AC3_LED  Not used
77 HELP_LED O LED drive signal (HELP)
78 VIDEO_DET  Not used
79 VIDEO_B O Video selector controloutput B
80 VIDEO_A O Video selector controloutput A
1~4 KEY4~KEY1 I Key matrix detect terminal
5
THERM/OVLD I Thermal/Over load detect terminal
6 FM_ST I Stereo signal detect terminal
7 6CH_ST  Not used
8 RDS_ST  Not used
9 REMOTE I Remote control terminal
10 RESET I Reset detect terminal
11 RDS_CK  Not used
12 RDS_DT  Not used
13 GND  GND terminal
14 XIN I Crystal oscillator terminal
15 XOUT O (4 MHz)
16 VDD I Power supply terminal
17~21 SFC5~SFC1 O SFC LED indicator output
22 HOLD I Power trip detection input
23
STANDBY_LED  Not used
24 FAN_STOP  Not used
25 RLY O Power relay control output
26 TV/DVD I TV/DVD select control input
27 LIMITTER O Power limitter control output
28 VEE I FL driver pull down voltage
29 S/C_SP O Surround/center speaker control output
30 SP_B O Speaker B control output
31 SP_A O Speaker A control output
32 AF_MUTE O Muting control output
Rotate control terminal of volume motor
B
C
E
1
4
5
8
STK311-010
BLUE

Technics SA-310 Specifications

General

Brand	Technics
Model	SA-310
Category	Stereo Receiver
Language	English