Sanyo DC-DVD888 Service Manual page 66

TUNER ADJUSTMENTS
• Use a plastic screw driver for adjustments.
• MODE : STEREO
• Speaker impedance : 4 ohm
• TUNING
FM : 87.5 - 108.0MHz (50kHz step)
AM : 522 - 1710kHz
520 - 1710kHz
1.FM
Step Adjusting
Circuit
1 IF Alignment
Cover
2
voltage
Tracking Connect FM SG to FM Antenna Connect to VTVM
3
(SG=8dB V)
2.AM
Step Adjusting
Circuit
1 Cover
voltage
2 Tracking Connect AM SG to
Test loop Ant.(SG=80dB V)
(9kHz step)
(10kHz step)
SG RF Level : 75 open Voltage dBµV
Antenna
Dev.
Output Level : about 100mV at TP13,TP14,TP15
Connection
Input
FM ANT.
SG=66dB V
--- Connect Digital DC voltmeter to
--- TP11(H), TP12(E).
TP13(L) or TP14(R), TP15(E)
Connection
Input
--- Connect Digital DC voltmeter to
--- TP11(H), TP12(E).
Connect to VTVM
TP13(L) or TP214(R), TP15(E).
: 75 unbalanced Direct, Modulation
: Å}22.5kHz(MONO) Å}22.5kHz(STEREO) Å}6.75kHz(PILOT)
SG
Frequency
Output
IC231 3,22pin 98.0MHz
TP24, TP25
87.5 MHZ
108.0 MHZ
90.0 MHZ
106.0 MHZ
SG
Frequency
Output
522 kHZ
1710 kHZ
603 kHZ
1404 kHZ
- 40 -
: 1 kHz
Set Adjustment Remark
Position
--- XF233 0.0 +/- 0.05V
Low L2102 1.1 +/- 0.1V
High --- less than 9.0V
Low L2101
High ---
Set Adjustment Remark
Position
Low --- more than 0.8V
High --- less than 9.0V
Low L2151-a
High ---
Max.
Max.