Description; Electrical Characteristics (Tamb=25°); Connector Type - Hitachi CML156XW Service Manual

4. VK-580 Control Panel and Audio Board (CML158XW)

4.1 Description

The VK-580 is designed to offer an user interfaced control panel which passes and receives
signals to and from VL-563 display control board. Also there is a stereo audio amplifier to drive
a pair of speakers. When in power saving mode the audio circuit can be turned off by the
control signal from VL-563 board.
4.2 Electrical Characteristics (Tamb=25 ° ° ° ° )
Audio amplifier (Use Panasonic VP-7723A Audio Analyzor).
Item
Frequency
Response
Distortion
Output Watt.
Volume Control

4.3 Connector Type

Location
Audio Input Freq.
500mVrms 100Hz~20KHz -3dB
500mVrms 1KHz
500mVrms 1KHz
Connector and Switch
J1
J2
J3
J4
J5
Spec.
Min. Typ. Max.
+3dB
2%
0.5W
Locations
Number of pins
10
7
2
2
8
16
Comment
Volume Max., load 4Ω
Volume Max., load 4Ω
Volume Max., load 4 Ω
Analog