Sony SRF-29 - Page 2

SRF-29 |
POINTER SETTING
direction of arrow.
i
Slide the pointer fully in the
front cabinet
SECTION 1
DISASSEMBLY
Turn the knob (T) fully in the
direction of arrow @ .
main board
knob (T)
Pointer
—
front cabinet
SECTION 2
ELECTRICAL ADJUSTMENTS
ELECTRICAL ADJUSTMENTS
- Repeat the procedures in each adjustment several
times, and the frequency coverage and tracking
adjustments should be finally done by the trimmer
capacitors.
BAND selector: FM
FM SENS selector: ST (AEP, E, Italian)
: DX (US, Canadian)
VOLUME control: mechanical mid
FM FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on VTVM.
86. 5MHz 109. 5MHz
87. 35MHz
US, Canadian
AEP, E, Italian
108. 0O5MHz
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on VTVM.
86. 5MHz
L3-1, L3-2
BAND selector: AM
VOLUME control: mechanical mid
AM FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on VIVM.
US, Canadian 520kHz 1, 750kHz
AEP, E, Italian 520kHz 1, 650kHz
eens Se Sica ets ae
|
109. 5MHz
CT1:
CT4:.
CT2:
CT3:
AM TRACKING ADJUSTMENT
AM FREQUENCY COVERAGE
ADJUSTMENT
ADJUSTMENT
AM {IF ADJUSTMENT
Adjust for a maximum reading on VTVM.
FM MPX ADJUSTMENT (VCO) |
. Short IC] pin 1 and pin 29.
2. Connect a 33kohm resistor between ICI] pin 4 and pin 7.
. Connect the frequency counter through 1jzF electrolytic
capacitor between IC] pin 4 and ground.
. Adjust RTL for the reading of 76kHz on the Frequency
counter.
Adjustment Location: MAIN BOARD
— Component Side —
L2: AM TRACKING ADJUSTMENT
L3-1,3-2: FM TRACKING
ADJUSTMENT
: $3 3
Sneed
L5: AM FREQUENCY COVERAGE
L4: FM FREQUENCY COVERAGE ADJUSTMENT ADJUSTMENT
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