
- 40 -
• Use a plastic screw driver for adjustments.
• MODE : STEREO
• Speaker impedance : 4 ohm
• TUNING
FM : 87.5 - 108.0MHz (50kHz step)
AM : 522 - 1710kHz (9kHz step)
520 - 1710kHz (10kHz step)
SG RF Level : 75 open Voltage dBµV
Antenna
: 75 unbalanced Direct, Modulation : 1 kHz
Dev.
:
±
22.5kHz(MONO)
±
22.5kHz(STEREO)
±
6.75kHz(PILOT)
Output Level : about 100mV at TP13,TP14,TP15
TUNER ADJUSTMENTS
1.FM
Step
Adjusting
Connection
SG
Set
Adjustment
Remark
Circuit
Input
Output
Frequency
Position
1
IF Alignment
FM ANT.
IC231 3,22pin
98.0MHz
---
XF233
0.0 +/- 0.05V
SG=66dB
μ
V
TP24, TP25
2
Cover
---
Connect Digital DC voltmeter to
87.5 MHZ
Low
L2102
1.1 +/- 0.1V
voltage
---
TP11(H), TP12(E).
108.0 MHZ
High
---
less than 9.0V
3
Tracking
Connect FM SG to FM Antenna Connect to VTVM
90.0 MHZ
Low
L2101
Max.
(SG=8dB
μ
V)
TP13(L) or TP14(R), TP15(E)
106.0 MHZ
High
---
2.AM
Step
Adjusting
Connection
SG
Set
Adjustment
Remark
Circuit
Input
Output
Frequency
Position
1
Cover
---
Connect Digital DC voltmeter to
522 kHZ
Low
---
more than 0.8V
voltage
---
TP11(H), TP12(E).
1710 kHZ
High
---
less than 9.0V
2
Tracking
Connect AM SG to
Connect to VTVM
603 kHZ
Low
L2151-a
Max.
Test loop Ant.(SG=80dB
μ
V)
TP13(L) or TP214(R), TP15(E).
1404 kHZ
High
---
Summary of Contents for DC-DAV821
Page 22: ... 27 MPEG AND FRONT END P W BOARD CHECK WAVEFORM 7 8 10 DVD CD 12 11 ...
Page 23: ... 28 MPEG AND FRONT END P W BOARD CHECK WAVEFORM 13 14 15 16 17 18 Surround ON ...
Page 25: ... 30 MPEG AND FRONT END P W BOARD CHECK WAVEFORM 52 53 54 55 56 57 ...
Page 26: ... 31 MPEG AND FRONT END P W BOARD CHECK WAVEFORM 58 59 60 61 62 63 ...
Page 27: ... 32 MPEG AND FRONT END P W BOARD CHECK WAVEFORM 64 65 66 67 68 69 ...
Page 28: ... 33 MPEG AND FRONT END P W BOARD CHECK WAVEFORM 70 71 72 73 78 79 S VIDEO COMPOSITE VIDEO ...
Page 67: ... 65 SCHEMATIC DIAGRAM MPEG This is a basic schematic diagram ...
Page 68: ... 66 WIRING DIAGRAM MPEG A SIDE ...
Page 69: ... 67 WIRING DIAGRAM MPEG B SIDE ...
Page 71: ... 69 WIRING DIAGRAM POWER AMP for SS ...
Page 72: ... 70 WIRING DIAGRAM PRE AMP for SS ...
Page 74: ... 72 WIRING DIAGRAM POWER AMP for KR ...
Page 75: ... 73 WIRING DIAGRAM PRE AMP for KR ...
Page 76: ... 74 SCHEMATIC DIAGRAM TUNER This is a basic schematic diagram ...
Page 77: ... 75 WIRING DIAGRAM TUNER ...
Page 78: ... 76 SCHEMATIC DIAGRAM FRONT This is a basic schematic diagram ...
Page 79: ... 78 SCHEMATIC DIAGRAM DVD This is a basic schematic diagram ...
Page 80: ... 79 WIRING DIAGRAM DVD A SIDE WIRING DIAGRAM DVD B SIDE ...