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3-2. ADJUSTMENT
NOTE: 1.Set the S.S.G. to 1kHz, 75kHz
deviation for [U), [S], [B] or [E] model,
(LW
2
Oe
|
NOTE: 1.Set the S.S.G to 1kHz 30% modulation
1 kHz, 40 kHz deviation for [V] model.
: [2 Tow sensmivny
.
on each adjustment.
4. 162kHz, 75dBp (Low) or 297kKHz <288KHz>,
|
2. Frequencies indicated in <> are for
ADJUSTMENT ITEM
75dBy (High)
the
[V]model.
1. SSG FREQ. & OUTPUT LEVEL
. 162kHz PRESET 4 ch, 297kHz <288kHz>
ae
ee
2. SET Tuning FREQ.
PRESET 7 ch.
3. ADJ. Part
. T202 (Low), VC202 (High)
:
4. REMARKs (¢) & RESULT (*)
. eConnect the milli-voltmeter to VER/REC
2. 351kHz <288kHz> (preset 10 ch)
vo
/)
OUT.
| 8. T204
=a
VY
Se
|
Maximum output level.
~ =| 4, eConnect the Digital DC Voltmeter between
o
Test Point
| Adjustment Part
__ |
>For best result, repeat Low and High adjust-
TP1 and GND.
.
2
ments several times.
*8.2 + 0.1V <5.75 + 0.1V>.
~ | NOTE: Set the S.S.G to 1kHz 30% modulation
a
i
.
on each adjustment.
oo
: Ls _| 1, 603kHz, 70dBu (Low) or 1,404kHz, 70dBp
coe
(High)
2. 603kHz (Low), PRESET 8 ch
1,404kHz (High), PRESET 7 ch
3. T201 (Low), VC201 (High)
4. eConnect the milli-voltmeter to VCR/REC
OUT.
*Maximum output level.
*For best result, repeat Low a High adjust-
ments several times.
DISTORTION (STEREO)
. 98.0MHz, 60dBp (STEREO L or R channel
only)
2. 98.0MHz
3. IFT (FRONT END)
4. eConnect the distortion meter to VCR/REC
OUT.
Minimum Distortion
FRONT
END
_ [2 | TUNING LED
| 1. 98.0MHz, 22dBy (MONO).
2. 98.0MHz
+.
| 3. Tuning LED on the front panel, VR101.
«| 4, *Tuning LED is lit.
| 2. 1,404kHz (PRESET 7 ch)
_ | 3. T203
__| 4. eConnect the Digital DC Voltmeter between
TP1 and GND.
*6.7 + 0.1 V.
[4 | CENTER VOLTAGE
1, 98.0MHz, 60dBy (MONO)
2. 98.0MHz
3. T101
1. 162kHz, 65dBu
| 4. eConnect the DC Digital Voltmeter to both
2. 162 kHz
ends of R108.
| 3. T205
| 4. eConnect the milli-voltmeter to VCR/REC
*0 + 50mV
OUT.
| 1. 98.0MHz, 60dBy (STEREO L or R channel
{|
only)
| 2. 98.0MHz
. 198kHz, 70dBu
| 3. VR102
. 198kHz
%*Minimum output level for opposite channel.
|pRon-
TUNER
PCB
FRONT
SERVICE MANUAL
TP-550/650
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