Read Sony PCM-R300 Service Manual online
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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 to 38
39
40
Pin Name
R-CW
CAP-RVS
PLN-ON
PLN-KICK
DRM-ON
—
DF-DT
DF-CLK
VCOEN
OPT/COA
ADLD
DALD
—
—
CM-IN
CM-OUT
LM-EJ
LM-LD
ROM-DT
—
—
—
H-FIX
THIN
CAS-IN
REC-EN
CAS LCK
CAS OUT
RE-FWD
RE-STOP
—
—
SBM
—
AF3 to AF0
MP
X RST
I/O
O
O
O
O
O
O
O
O
O
O
O
O
—
—
O
O
O
O
O
—
—
—
I
I
I
I
I
I
I
I
—
O
O
O
I
—
I
Function
Reel motor CW output
“H”: FWD direction
Capstan direction control output
“L”: FWD, “H”: RVS
Brake plunger ON control output
Brake plunger kick control output
Drum motor ON control output
Not used
Communication line (Serial data) with Digital filter
Communication line (Shift clock) with Digital filter
“L”: shifted, “H”: taken
VCO enable output
“H”: Active
Digital input switch output
“H”: coaxial, “L”: optical
Load to Digital filter for A/D converter
Load to Digital filter for D/A converter
Not used
Cassette compartment motor rotation IN direction control output
Cassette compartment motor rotation OUT direction control output
Loading motor rotation Eject direction control output
Loading motor rotation Loading direction control output
Data output to EEP ROM
Not used
Not used (Fixed at “H”)
Detect kinds of tapes
“H”: normal tape, “L”: Thin tape
Cassette IN switch input
REC enable switch input
Cassette compartment lock switch input
Cassette compartment out switch input
Encoder SW2 input
Encoder SW1 input
Not used (Open)
Not used
Super bit maping control output
“H”: SBM ON, “L”: SBM OFF
Not used
AF mode select
Not used (Connected to Ground)
System reset input
“L”: Active
• IC310 Main, Mecha Control (CXP87540-042Q)
SW1
L
H
L
H
SW2
L
L
L
H
H
H
Position
EJECT
STOP
FWD
STOP–FWD
STOP
FWD
STOP–FWD
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