Philips AZ 1004/01, Service Manual, Page: 12 / 23

6 - 1 6 - 1
TC1
TC2
T UNER BOARD - CIRCUIT DIAGRAM
Alignment Procedure
Model No. AZ-1004/01
Instruments Required :
1. AM Signal Generator
2. FM Signal Generator
3. AM/FM if Sweep Generator
4. Dual Trace Oscilloscope
5. Solid State Voltage Meter (SSVM)
6. Frequency Counter
7. Nonmetallic Alignment Tools
8. Test Tape : Teac - MTT 113N (6.3 kHz) or Equiv.
9. Test Tape : Teac - MTT 111N (3 kHz) or Equiv.
Important
1. Check Power Source Voltage
2. Set the Function Switch to Band Being Aligned.
3. Volume Should Be Turned To Minimum.
4. Signal Input Should be Kept as Low as Possible.
5. AM Modulation : 1 kHz 30%
6. FM Modulation : 1 kHz 22.5 kHz DEV.
Radio Alignment
Frequency Input Varian Adjust Output Scope/Meter
MW IF
468 kHz
LOOP
ANT
AM Coil
MIN. T302
IC301
Pins 18
MAX.
MW IF
526.5 kHz
1606.5 kHz
MAX.
MIN.
T301
TC2
MAX.
600 kHz
1400 kHz
LOOP
ANT
AM Coil
600 kHz
1400 kHz
L301
TC1
IC301
Pins 18
MAX.
FM IF
10.7 MHz
IC301
Pins 4
MIN.
IC301
Pins 18
Symmetrical
FM IF
87.5 MHz
108.5 MHz
MAX.
MIN.
L304
FC1
MAX.
90 MHz
106 MHz
FM ANT.
C301
Cer. Cap.
90 MHz
106 MHz
L303
FC2
IC301
Pins 18
MAX.
T UNER BOARD - ALIGNMENT PROCEDURE