Sanyo DC-DA170 Service Manual page 25

TUNER ADJUSTMENTS (for UK)
• Use a plastic screw driver for adjustments.
• MODE : ST (Stereo)
• Speaker impedance : 4 ohm
• TUNING
FM : 87.5 - 108.0MHz (50kHz step)
AM : 522 - 1611KHz (9kHz step)
LM : 144 - 288kHz (9kHz step)
1. FM
Step Adjusting
Circuit
IF(0V)
98.0MHz.Input Level
1
Adjustme
FM Antenna SG=66dBƒÊV
nt
2 Cover
Voltage
2. MW
Step Adjusting
Circuit
1
IF
2 Cover
Voltage
3 Tracking
Connect AM SG to
Test loop Ant.(SG=80dBƒÊV)
3. LW
Step Adjusting
Circuit
1 Cover
Voltage
2 Tracking
Connect AM SG to
Test loop Ant.(SG=85dBƒÊV)
Standatd Input: 60dB
Antenna
Dev.
Connection
Input
Alignment voltage IC211
3-22pin(TP21,TP22) is 0.0•} 0.05V
--- Connect Digital DC voltmeter to
--- TP6(H), TP11(E).
Connection
Input
Connect Sweep generator
---
to test point TP9(H), TP7(E)
--- Connect Digital DC voltmeter to
--- TP6(H), TP11(E).
Connect to VTVM
TP9(L) or TP10(R), TP7(E).
Connection
Input
--- Connect Digital DC voltmeter to
--- TP6(H), TP11(E).
Connect to VTVM
TP9(L) or TP10(R), TP7(E).
: 75 unbalanced , Modulation : 1 kHz
: •} 22.5kHz(MONO) •@ 22.5kHz(STEREO) •} 6.75kHz(PILOT)
SG
Output Frequency Position
10.7MHz
(at 98MHz)
87.5MHZ
108.0MHZ
SG
Output Frequency Position
455kHz
(at 999kHz)
522kHZ
1611kHZ
603KHZ
---
SG
Output Frequency Position
144kHZ
288kHZ
162kHZ
---
- 4 -
Set Adjustment
Alignment voltage IC211
Low T2002
3-22pin(TP21,TP22) is 0.0•} 0.5V
Low L2002
High ---
SG Modulation
Antenna, IRE Loop, Distance : 60 cm
Set Adjustment
T2001 or
Low
XF215
Low L2204
High ---
Low L2102
--- ---
Set Adjustment
Low L2205
High ---
Low L2103
--- ---
Remark
1.0•} 0.5V
6.7•} 0.5V
: 1kHz, 30%
Remark
Max.
1.00•} 0.05V
6.95•} 0.8V
AF Maximum
Remark
1.00•} 0.05V
5.34•} 0.8V
AF Maximum