44
PX10/PX8/PX5/PX3
5-8-6. /DSP-MUTE OFF
Contents
Measure the output level in the state where the
/DSP-MUTE signal was negated.
Regarding criteria for measurement, refer to “2-2. inspection”
(Page 54) of MEASUREMENT section.
Advance preparation
Prepare the jig for measuring an output level.
Note
The characteristic of DSP is a
fl
at.
〈
Service inspection screen
〉
Left end
✽
is a selecting cursor.
The fault location at the time of FAIL
Around /DSP-MUTE signal.
5-9. LCD
5-9-1. Parallel Bus
Contents
A parallel bus is automatically inspected by writing,
reading, comparing with the LCDC display data
RAM in the LCD module on the following two
conditions.
（
1
）
（
2
）
Page address
2h
5h
Column address H
8h
8h
Column address L
0h
3h
Data
55h
AAh
Advance preparation
None.
Note
In order that comparison may use RAM besides a
viewing area, this inspection does not affect display
information.
〈
Service inspection screen
〉
Left end
✽
is a selecting cursor.
The fault location at the time of FAIL
Parallel Bus (/LCD-CS1, /LCD-RST, /LCD-RD, /LCD-WR,
LCD-A0 ~ LCD-A7) or the LCD module itself.
Summary of Contents for PX10
Page 23: ...23 PX10 PX8 PX5 PX3 ACIN Circuit Board B B B B Pattern side 2NA ZT09720 2...
Page 25: ...25 PX10 PX8 PX5 PX3 AUDIO Circuit Board Pattern side Scale 80 100 2NA ZT09660 3...
Page 29: ...29 PX10 PX8 PX5 PX3 Pattern side 2NA ZT09780 PS Circuit Board 2...
Page 62: ...62 PX10 PX8 PX5 PX3 4 4 1 1 2 61 4 2 2 1 61 LED 4 3 LCD 4 4 MENU A B...
Page 88: ...88 PX10 PX8 PX5 PX3 1 Vburst 1 500 1 20 0 5dB 3...
