Sony RMT-V259 - SECTION 5 INTERFACE, IC PIN FUNCTION DESCRIPTION; 5-1. SYSTEM CONTROL - VIDEO BLOCK INTERFACE (MA-373 BOARD IC162); 5-2. SYSTEM CONTROL - SERVO PERIPHERAL CIRCUIT INTERFACE (MA-373 BOARD IC162)

5-1
SECTION 5
INTERFACE, IC PIN FUNCTION DESCRIPTION
SLV-SE350/SE500/SE600/SE650/SE700/SE800/SX600/SX700/SX800
TAPE TAPE
Signal Pin No. I/O STOP FF REW
LOADING UNLOADING
PB REC
CTL IN+
MA-373
I/O *7 *7 *7 *7 *7 *7 *1
IC162og
DRUM PG
MA-373
I *3 *3 *3 *3 *3 *3 *3
IC162o;
DRUM FG
MA-373
I *4 *4 *4 *4 *4 *4 *4
IC162il
CAP FG
MA-373
I H/L *2 *2 *5 *5 *2 *2
IC162ij
CAP RVS
MA-373
O H/L L H L H L L
IC162wf
CAP ERR
MA-373
OL*6 *6 *6 *6 *6 *6
IC162uh
DRUM ERR
MA-373
O *6 *6 *6 *6 *6 *6 *6
IC162uj
STOP/ TAPE TAPE REC •
Signal Pin No. I/O FF/
LOADING UNLOADING
PB REC
PAUSE
REW
RF SWP
MA-373
O *1 *1 *1 *1 *1 *1
IC162qk
QVD
MA-373
OL L L *2L L
IC162qd
C V IN
MA-373
I *3 *3 *3 *3 *3 *3
IC162th
5-1. SYSTEM CONTROL – VIDEO BLOCK INTERFACE (MA-373 BOARD IC162)
∗1. 25 Hz pulse with 50% duty cycle. Synchronized with rotation of drum.
∗2. Normally “L”. “H” when video signal is not generated.
∗3. Composite sync signal (positive polarity).
5-2. SYSTEM CONTROL – SERVO PERIPHERAL CIRCUIT INTERFACE (MA-373 BOARD IC162)
∗1. 25 Hz pulse.
∗2. Pulse of period in proportion to tape speed.
∗3. 25 Hz “H” pulse.
∗4. 330 Hz pulse.
∗5. Unstable period pulse.
∗6. DC voltage 1 to 5V
∗7. Hi-Z (2.5V)