Sanyo DC-DA170 Service Manual page 26

TUNER ADJUSTMENTS (for XE)
• 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)
1. FM
Step Adjusting
Circuit Input
IF(0V)
98.0MHz.Input Level
1
Adjustme
FM Antenna SG=66dBƒÊV
nt
2 Cover
Voltage
2. MW
Step Adjusting
Circuit Input
1
IF
2 Cover
Voltage
3 Tracking
Connect AM SG to
Test loop Ant.(SG=80dBƒÊV)
Standatd Input: 60dB
Antenna
Dev.
Connection
Output
Alignment voltage IC211
3-22pin(TP21,TP22) is 0.0•} 0.05V
--- Connect Digital DC voltmeter to
--- TP6(H), TP11(E).
Connection
Output
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).
: 75 unbalanced , Modulation : 1 kHz
: •} 22.5kHz(MONO) •@ 22.5kHz(STEREO) •} 6.75kHz(PILOT)
SG Set
Frequency Position
10.7MHz
Low
(at 98MHz)
87.5MHZ Low
108.0MHZ High
SG Modulation
Antenna, IRE Loop, Distance : 60 cm
SG Set
Frequency Position
450kHz
Low
(at 999kHz)
522kHZ Low
1611kHZ High
603KHZ Low
1404kHZ High
- 5 -
Adjustment Remark
Alignment voltage IC211
T2002
3-22pin(TP21,TP22) is 0.0•} 0.5V
L2002 1.4•} 0.2V
--- 7.0•} 0.5V
: 1kHz, 30%
Adjustment Remark
T2001 or
Max.
XF215
L2204 1.00•} 0.05V
--- 7.50•} 0.8V
L2102
AF Maximum
CT211