Technical Information - JVC AV-27BM3 Service Manual

Color monitor / receiver
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FEATURES
Low cost type chassis comprisod of three circuit boards : Main, GRT sooket and MTS (accept $ input and comb filter circuit).
One-chip IC construction : IF, pictura and sound detectors, video (luminance), horizontal and vertical deflection circuits are contained in a
single chip 56 pin IC.
© Provided with miniature tuner (TV / CATV) : PLL synthesizer system TV/CATY totaling 180 channels.
'Built-in MTS circuit conpatible with AV system.
® §-VIDEO input lerminal for taking best advantage of Super VHS.
# Detection of user VR by MASTER COMMAND and increased features possible simultaneously (Multifunctional remote contro! permits
piclure and sound adjustment = AV STATUS).
© By using FUNCTION KEY, MENU can be displayed wilh instructional words available either in English or Spanish. (AV-27BM3 / CM3
(US) Only)
By sotting SERVICE MODE, SUB ADJUSTMENT (for TINT, COLOR, PICTURE and BLIGHT) can be accomplished using the keypad
'on the remote control unit.
@ AV input, vi
TECHNICAL INFORMATION
@
AUTO DEMO FUNCTION
The MASTER COMMAND
WV has AUTO DEMO function which allows the TV set to introduce its major functions automatically without
attendance of a shop clerk. Thus, this function will excite consumer's intersi at the shop. AUTO DEMO can pefrom a sequential on-
screen display automatically to explain the major functions of the TV set.
It lakes about 4 minules to compiere a cycle of AUTO DEMO performance.
When the plug is removed from an outlet during AUTO DEMO performance, AUTO DEMO is restarted automatically from the beginning
when the power is lurned on again,
iable audio oulput and external spe:
dod.
*Operating procedure
When MENN is displayed, press "O" key twice to start AUTO DEMO.
(Alternatively , AUTO DEMO can be started by pressing FUNCTION KEY and VOLUME KEY of the focal keys simultaneously.)
To stop AUTO DEMO, press an optional key (FRONT KEY or REMOCON KEY)
*#AUTO DEMO START
!
EXCLUSIVE SCREEN FOR AUTO DEMO
CHANNEL GUARD
:
t
SETTING OF PICTURE LEVEL
HOME SITTER
4
t
PICTURE AND SOUND LEVEL RESET
DUAL ON TIMER
'
ft
MESSAGE STYLE
CHOICE PROGRAMMING
4
t
ON-SCREEN MODE
CHANNEL GAPTION
NOTE : In order produce demonstrational effect, the preset channels and time (in the built-in clock), ste. will be changed by the
performance of AUTO DEMO.
Therefore, this must be taken into consideration when performing AUTO DEMO.
4 (No.50718)

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