(No.YD091)1-35
4.11 Electrical adjustment (DV SECTION)
4.11.1 Precautions
(1) The DV section of this model is based on a special adjust-
ment method using a PC. However, ordinary adjustment is
required only when the part listed below has been re-
placed. In this case, the adjustment should be performed
by a service center equipped with the required facilities.
• E2 PROM (IC1504 on DV main board)
In case of trouble with the electrical circuitry, First identify
the faulty position with a measuring tool as described be-
low. Proceed to repair, replacement and/or adjustment only
after the troubleshooting.
(2) When observing a chip TP, use an IC clip or similar tool to
protect the chip against stress. When replacing a chip part
(IC, particularly), remove solder completely before replac-
ing. (This is to prevent separation of the pattern.)
(3) The connectors are fragile. Be careful when plugging or un-
plugging a wire.
4.11.2 Equipment required for adjustment
• Personal computer (Windows compatible)
• Color monitor
• Oscilloscope (2-CH, 100 MHz or more)
• Frequency counter
4.11.3 Tools required for adjustments
Fig.4-11-1
4.11.4 Setup
1. Setup for computer adjustment
- Setup by extending the jig connector -
Fig.4-11-2
Alignment tape
US : MC-1
PAL : MC-2
SSS software
PTU94016-5
Guide driver
YTU94085
Jig connector cable
PTU94018B
PC cable
US : QAM0099-002
PAL : QAM0099-005
Jig RCU
PTU94023B
DV MAIN PW
B
CN2001
CN1501
CN1505
CN3701
Service Support Software
RS-232C Port
PC Cable
Personal Computer
JVC
MENU
<JLIP>
-Setup by extending the jig connector-
Connect the Jig Connector Cable and setup the SSS software. It
automatically becomes the TCCS mode and "TCCS" is displayed on
the FDP.
To cancel the TCCS mode, press the CANCEL button of the remote
control unit.
The "TCCS" display on the FDP disappears.
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