Sony Walkman WM-EX2000, Руководство по обслуживанию

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6-6. IC PIN FUNCTION DESCRIPTION
• IC705 ML63514-024TBZ060 (SYSTEM CONTROL)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
I/O
O
I
I
I
I
I/O
O
O
O
O
O
O
I
I
I
I
O
O
O
O
—
—
—
—
—
—
—
I
O
I
I
—
I
O
I
O
I
I
I
I
O
O
O
O
O
O
O
O
Description
Audio ATT circuit control output. L=OFF. H=ON (during CUE/REVIEW)
MD MODE SW (FWD). L=ON
MD MODE SW (CENTER). L=ON
MD MODE SW (RVS). L=ON
Cassette detection switch input. L= Exists. H=Not exist.
Data output for communication. Remote control inspection input terminal.
Tone control. H=REVIVE ON. L=OFF/MB/GRV/SUR
Tone control. H=MB/REV ON. L=OFF/GRV/SUR
Head switching output. L=FWD. H=RVS
Tone control. H=BOOST ON. L=OFF
Audio circuit/DDC control output. H=POWER ON
Audio muting control output. L=MUTE ON
A/B-side detection SW input. L=FWD: Side A
Input for switching between two models. L=EX2000. H=EX910
Input terminal for power supply voltage detection
Operation button signal, input terminal
Plunger solenoid control output. L=ON
Motor speed 1/2 control output. L=Normally. Open=During 1/2 time speed
Rotation detection intermittent output. L=ON
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
External crystal oscillator
External crystal oscillator
Test input terminal
Test input terminal
External capacitor for oscillation is connected to this terminal.
External resistor for high-speed CR oscillator (550 kHz) is connected to this terminal.
External resistor for high-speed CR oscillator (550 kHz) is connected to this terminal.
Reset input terminal
Beep sound output
Rotation detection signal input, S side
Rotation detection signal input, T side
Sound detection signal (AMS) input terminal. H=No sound. (external interrupt)
Motor P-SIG input (external interrupt)
Motor startup signal output. L=During startup
Motor rotation direction control output. H=CCW. L=CW
Servo IC mode selection output
Servo IC mode selection output
Motor control output
Motor control output
Motor control output
Sound circuit control output. EX2000: L=N. H=OFF. EX910: L. Fixed
Pin Name
AUDIO ATT
FWD SW
CENTER SW
RVS SW
CASSETTE SW
DATA/RMUM
REVIVE CTL
MEGA BASS CTL
F/R CTL
BOOST CTL
AMP CTL
MUTE CTL
A/B SW
MODEL SELECT
BATT DET
KEY IN
PM CTL
SPEED CTL
PHOTO CTL
DOLBY CTL
VDDI
VSS
VDD
VDDH
CB1
CB2
VDDL
XT0
XT1
TEST1B
TEST2B
NC
OSC0
OSC1
RESET
BEEP
PHOTO (S) IN
PHOTO (T) IN
AMS IN
P-SIG
MOTOR START
MOTOR DIR
CTRL2
CTRL1
MOTOR W
MOTOR V
MOTOR U
SURROUND CTL