JVC HR-D540EE - General Information; Connections; Disconnecting the Flatwire; Indications

3.2 GENERAL INFORMATION
3.2.1 Connections
Note:
Uniess
otherwise
specified,
only
signal
input
flow
is
indicated.
Connection arrows indicate only signal outputs.
: Connectors
: Board in connectors
: Direct connections
Gs) : Connected pattern in the board.
Abbreviations
Gs V : Video M_: Mechacon
S : Servo A: Audio
VS : Signal flow from
video to servo.
3.2.2 Disconnecting the flatwire
1. Pull the connector structure upward to release the
clamp when removing or inserting the flat wire cable.
Sw
t c> S&S
FFC <a
2. Depress the connector structure downward to rn lease
the clamp when removing or inserting the flat w're
cable, as indicated below.
PARALLEL WIRE
t
se
—
L
WIRE TRAP
3-2
3.2.3 Indications
AUX : Active only at high.
AUX : Active only at low.
AUX : Active only at middle.
AUX : Active only at open.
: Active only at low for
electronic switch.
: Active only at high for
electronic switch.
LH [sb
: Low pass filter.
: High pass filter.
: Band pass filter.
: Limiter.
: Detector
: Amplifier.
: Mixer stage.
ARERR
3.2.4 Schematic diagram values
Unless otherwise specified.
1. All resistance values are in ohms, 1/6 W, 1/8 W, (refer
to parts list).
. All capacitance values are in wF, (P; PF).
. All inductance values are in nH, (m; mH).
. All diodes are 15$133 or MA165, (refer to parts list).
. Voltages are OC-measured (reference to ground) with a
digital voltmeter during recording (SP mode) and playback
(SP mode) with alignment tape. Where voitages differ
between recording and playback, the voltage during
playback is shown in parentheses.
6. Waveforms (VIDEO System) are measured (reference to
ground) with a color bar during recording (SP mode) and
playback (SP mode) with alignment tape.
7. Waveforms (AUDIO System) are measured (reference to
ground) with 1 kHz (—8dBs) during recording and
playback with alignment tape (1 kHz).
8. Shaded : parts are critical for safety.
Replace only with specified parts numbers.
af WN
3.2.5 Signal flow in the schematic
= Recording signal path
> Playback signal path
—> REC/PB signal path