Sony UWP-V1, Service Manual

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2-46
UWP Series
A C2 L
(A C2 L)
Adjustment
1. Connect the signal generator to the CN201/RF-130
board with the MM-SMA conversion connector and
the RF adjusting cable.
2. Turn OFF the power of the URX-P2.
3. Set the RF OUTPUT (output level) of the signal genera-
tor to the OFF.
4. While pressing and holding the “SET”, “+”, and “-”
buttons of the URX-P2 at the same time, turn on the
power of the URX-P2.
5. When the following message appears on the LCD
(URX-P2), remove your hand from the above buttons.
U30 model : “U30”
U42 model : “U42”
CE62 model : “CE62”
CE67 model : “CE67”
KR model : “HELLO”
6. When a message appears on the LCD (URX-P2), all
segments light on. Then pressing the following buttons
in the order starting from “SET”
→
“
+
”
→
“
_
”
→
“SET” buttons while all segments are lighting.
7. Indication on the LCD (URX-P2) appears as follows :
LCD :
8. Set the RF OUTPUT (output level) of the signal
generator to the ON.
9. Check first that indication “L” of “AC1L” on the LCD
(URX-P2) has disappeared, and then press the “SET”
button of the URX-P2.
A C1 L
(A C1 L)
A
n
If the LCD (on
A
area: refer to the previous proce-
dure 7) displays below, perform the following adjust-
ment (1) or (2).
.
When “L” indication does not disappear from the
LCD. (The RF input level is lower than the reference
level.)
.
When “H” is displayed. (The RF input level is higher
than the reference level)
(1) Check the RF output level and FREQUENCY of
the signal generator (perform re-setting if
necessary), and repeat from procedure 1.
(2) If the above conditions (the “L” indication does
not disappear, or “H” is displayed) remain even
after re-adjustment, it is necessary to check the
RF circuit of the URX-P2.
10. Indication on the LCD (URX-P2) appears as follows :
LCD :
11. Set the FREQUENCY (carrier frequency) of the signal
generator as follows :
FREQUENCY (carrier frequency) :
U30 model ; 578.000 MHz
U42 model ; 650.000 MHz
CE62 model ; 810.000 MHz
CE67 model ; 850.000 MHz
KR model ; 746.000 MHz
12. Check first that indication “L” of “AC2L” on the LCD
(URX-P2) has disappeared, and then press the “SET”
button of the URX-P2.
13. Indication on the LCD (URX-P2) appears as follows :
LCD :
A C3 L
(A C3 L)