Ic Pin Function Description - Sony WM-EX2000 Service Manual

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6-6. IC PIN FUNCTION DESCRIPTION

• IC705 ML63514-023TBZ060 (SYSTEM CONTROL)
Pin No. Pin Name
1 AUDIO ATT
2 FWD SW
3 CENTER SW
4 RVS SW
5 CASSETTE SW
6 DATA/RMUM
7 REVIVE CTL
8 MEGA BASS CTL
9 F/R CTL
10 BOOST CTL
11 AMP CTL
12 MUTE CTL
13 A/B SW
14 MODEL SELECT
15 BATT DET
16 KEY IN
17 PM CTL
18 SPEED CTL
19 PHOTO CTL
20 DOLBY CTL
21 VDDI
22 VSS
TE
L 13942296513
23 VDD
24 VDDH
25 CB1
26 CB2
27 VDDL
28 XT0
29 XT1
30 TEST1B
31 TEST2B
32 NC
33 OSC0
34 OSC1
35 RESET
36 BEEP
37 PHOTO (S) IN
38 PHOTO (T) IN
39 AMS IN
40 P-SIG
41 MOTOR START
42 MOTOR DIR
43 CTRL2
44 CTRL1
45 MOTOR W
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46 MOTOR V
47 MOTOR U
48 SURROUND CTL
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I/O
O Audio ATT circuit control output. L=OFF. H=ON (during CUE/REVIEW)
I MD MODE SW (FWD). L=ON
I MD MODE SW (CENTER). L=ON
I MD MODE SW (RVS). L=ON
I Cassette detection switch input. L= Exists. H=Not exist.
I/O Data output for communication. Remote control inspection input terminal.
O Tone control. H=REVIVE ON. L=OFF/MB/GRV/SUR
O Tone control. H=MB/REV ON. L=OFF/GRV/SUR
O Head switching output. L=FWD. H=RVS
O Tone control. H=BOOST ON. L=OFF
O Audio circuit/DDC control output. H=POWER ON
O Audio muting control output. L=MUTE ON
I A/B-side detection SW input. L=FWD: Side A
I Input for switching between two models. L=EX2000. H=EX910
I Input terminal for power supply voltage detection
I Operation button signal, input terminal
O Plunger solenoid control output. L=ON
O Motor speed 1/2 control output. L=Normally. Open=During 1/2 time speed
O Rotation detection intermittent output. L=ON
O Dolby circuit control output. L=ON
— External interface power supply (P8 power supply) terminal
— Power supply terminal of negative polarity side
— Power supply terminal of positive polarity side
— Pressure power supply terminal for backup
— External capacitor for step-up power supply is connected to this terminal.
— External capacitor for step-up power supply is connected to this terminal.
— Power supply terminal of positive polarity side for internal logic
I External crystal oscillator
O External crystal oscillator
I Test input terminal
I Test input terminal
— External capacitor for oscillation is connected to this terminal.
I External resistor for high-speed CR oscillator (550 kHz) is connected to this terminal.
O External resistor for high-speed CR oscillator (550 kHz) is connected to this terminal.
I Reset input terminal
O Beep sound output
I Rotation detection signal input, S side
I Rotation detection signal input, T side
I Sound detection signal (AMS) input terminal. H=No sound. (external interrupt)
I Motor P-SIG input (external interrupt)
O Motor startup signal output. L=During startup
O Motor rotation direction control output. H=CCW. L=CW
O Servo IC mode selection output
O Servo IC mode selection output
O Motor control output
O Motor control output
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O Motor control output y
O Sound circuit control output. EX2000: L=N. H=OFF. EX910: L. Fixed
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