Input Level 25 00~63; Stereo Vco 23 00~63; Filter 32 00~63; Low Separation 29 00~63 - Sanyo C29LF34 Service Manual

Service Mode Adjustments
[MTS Adjustments]
SOUND LEVEL ADJUSTMENT
1. Input monaural sound signal (400Hz, 25KHz Div.)from the
antenna terminal.
2. Connect a DC Volt-Meter to TPLOW (on the MTS unit)
and the ground.
3. Switch the TV set on.
Press and hold the MENU button on the TV set, and press
"3" button on the remote control transmitter to enter to the
service mode.

INPUT LEVEL

STEREO VCO

FILTER
LOW SEPARATION
HI SEPARATION
SAP VCO
ADJUST: - /+
CHOOSE:
EXIT : MENU
4. Adjust voltage to become DC 500mVrms±10mVrms by
pressing the VOLUME(+/-) button on the remote control or
TV set.
5. To exit from the service mode, press the MENU button.
STEREO VCO ADJUSTMENT
1. Connect a frequency counter to TPLOW(on the MTS unit)
and the ground.
2. Connect JIG-A to K34TP on the MTS unit.
3. Switch the TV set on.
Press and hold the MENU button on the TV set, and press
"3" button on the remote control transmitter to enter the
service mode.
4. Select "STEREO VCO" by pressing the CHANNEL
UP/DOWN button on the remote control or TV set.
INPUT LEVEL
STEREO VCO
FILTER
LOW SEPARATION
HI SEPARATION
SAP VCO
ADJUST: - /+
CHOOSE:
EXIT : MENU
5. Adjust the frequency to become 15.625KHz ± 0.1KHz by
pressing the VOLUME (+/-) button on the remote control or
TV set.
6. To exit from the service mode, press the MENU button.
25
23
32
29
26
(Service Mode)
27
25
23
32
29
26
(Service Mode)
27
MTS BOARD
K34DD
MTS BOARD
K34DD
-17-
TPHIGH
IC3401
MTS DECODER
K34EE
TPLOW
1M ohm Resistor
Jig-A
(Plug 3P)
IC3401
MTS DECODER
K34EE
K34TP