Diagrams; 6-1. Ic Pin Function Description - Sony XR-C5100 Service Manual

6-1. IC PIN FUNCTION DESCRIPTION

• MAIN BOARD IC501 µPD17708GC-567-3B9 (SYSTEM CONTROLLER)
Pin No. Pin Name
1 AMSSEL
2 POS3
3 POS2
4 POS0
5 POS1
6 TAPEON
7 CM ON
8 LM LOD
9 LM EJ
10 TUNON
11 FM ON
12 PW ON
13 MUT
14 VOLCE
15 VOLCKO
16 VOLSO
17 AMPON
18 AMPMUT
19 DX/LO
20 AM MONO
21 GND
22 DSTSEL
23 DBASIN
24 KEYIN1
25 KEYIN0
26 RC IN0
27 VSM
28 AMIFIN
29 FMIFIN
30 VDD2
31 FM OSC
32 AM OSC
33 GND
34 NCO
35 EO1
36 TEST0
37 NCO
38 SEKOUT
SECTION 6

DIAGRAMS

I/O
I Setting terminal for the AMS selection fixed at "L"
I
I
Tape position detect input from tape operation switch on the mechanism block
I
I
O Tape system power supply on/off control signal output terminal "H": tape on
O Capstan/reel motor (M901) drive signal output terminal "H": motor on
Loading/tape operation motor control signal output to the LB1638M (IC351)
O
(For the loading direction and forward side operation) *1
Loading/tape operation motor control signal output to the LB1638M (IC351)
O
(For the eject direction and reverse side operation) *1
O Tuner system power supply on/off control signal output to the BA3918 (IC611) "H": tuner on
O FM system power supply on/off control signal output to the BA3918 (IC611) "H": FM on
O Main system power supply on/off control signal output to the BA3918 (IC611) "H": power on
O Line muting control signal output terminal "H": line muting on
O Chip enable signal output to the electrical volume (IC331)
O Serial data transfer clock signal output to the electrical volume (IC331)
O Serial data output to the electrical volume (IC331)
O Standby control signal output to the power amplifier (IC751) "L": standby
O Muting control signal output to the power amplifier (IC751) "L": muting on
O Local/DX selection signal output to the FM/AM tuner unit (TU1) "L": DX, "H": local
O AM forced monaural signal output terminal Not used (open)
— Ground terminal
Destination setting terminal
US, Canadian models: fixed at center voltage
I
E model: frequency select switch (S502) input
"L": AM 9k step or FM 50k step, "H": AM 10k step or FM 200k step
I D-BASS switch (SW951) input (A/D input)
Key input terminal (A/D input)
6, INTRO 1, REPEAT 2, SHUF 3, BL SKIP 6, ATA 5, 4, PRESET DISC +/– keys input
I
(LSW921 to LSW927, LSW929 and LSW930)
Key input terminal (A/D input)
OFF, SOURCE, MODE *, + ) + SEEK AMS, – = 0 SEEK AMS, VOLUME –,
I
SEL, VOLUME +, ATT , DSPL, BTM, LCL keys input (LSW901 to LSW912)
I Rotary remote commander shift key A/D input terminal
I FM and AM signal meter voltage detection input from the FM/AM tuner unit (TU1)
I AM intermediate frequency detection signal input from the FM/AM tuner unit (TU1)
I FM intermediate frequency detection signal input from the FM/AM tuner unit (TU1)
— Power supply terminal (+5V)
I FM local oscillator detection signal input from the FM/AM tuner unit (TU1)
I AM local oscillator detection signal input from the FM/AM tuner unit (TU1)
— Ground terminal
O Not used (open)
O Main charge-pump control signal output terminal
I Setting terminal for the test (fixed at "L")
O Not used (open)
O Seek control signal output to the FM/AM tuner unit (TU1)
Function
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