Read Sony PCM-R300 Service Manual online
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Pin Name
VSS
XTAL
EXTAL
DISP-REQ
REC-DIS
LED-ON
ROM-CK
DSP-ACK
DSP-DI
DSP-DO
DSP-CK
SBSY
SDDI
SDDO
SDCK
AVSS
AVREF
AVDD
T-END
S-END
L-FIX
H-FIX
L-FIX
MUTM
MINT
ATF-IN
TFG
SFG
CFG
DFG
DPG
DREF
ATSY-IN
R-X5/6V
MAIN-CHK
CAS-TST
MCLK
PBDT
SWP
A-PWM
I/O
—
O
I
O
O
O
O
I
I
O
O
I
I
O
O
—
—
—
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
O
I
I
I
O
O
Function
Ground
System clock output (Open)
System clock input (9.408MHz)
Communication request output to display control
“L”: Active
Record current control output
“H”: Record disable, “L”: Record enable
End sensor ON control output
“L”: Active
Clock output to EEPROM
Communication acknowledge input from display control
“L”: Active
Serial data input from display control and EEPROM
Serial data output to display control and EEPROM
Serial clock output to display control and EEPROM
SUB SYNC input from CXD2605Q (master)
Serial data input from CXD2605Q
Serial data output to CXD2605Q
Serial clock output to CXD2605Q (for sub code interface)
Ground for A/D port
Reference voltage for A/D port (+5V)
Power supply for A/D port (+5V)
T side end sensor input
S side end sensor input
Fixed at “L”
Fixed at “H”
Fixed at “L”
Mute monitor input
“H”: Active
Q code decode value input
“H”: Between songs
ATF pilot signal input (Analog input)
T side reel FG signal input
S side reel FG signal input
Capstan FG signal input
Drum FG signal input
Drum PG signal input
Drum reference signal input
DPG auto adjustment FRC signal input
Fixed at “H”
Not used
Test pin
“L”: Test mode with no cassette compartment
Channel clock input (9.408MHz)
ATF SYNC PB data input
Switching pulse output
PWM signal output for AGC
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