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HXCU-TX70
Sony HXCU-TX70 User Manual
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Section 1
Service Overview
1-1.
Location of Printed Circuit Boards
HXCU-TX70
AU-358
CN-3661
CN-3662
CN-3663
CN-3664
CT
-257D
DM-152
ENC-1
12
FL-378
PS-739D
DPR-361
HKCU-FP2
SW-1615
LED-525
(AU-358:
Moving from the front panel
of the main body
㸧
(CN-3664:
Moving from the front panel
of the main body
㸧
HXCU-TX70
1-1
10
12
Table of Contents
Default Chapter
5
Table of Contents
5
Manual Structure
9
Purpose of this Manual
9
Related Manuals
9
Trademarks
9
1 Service Overview
11
Location of Printed Circuit Boards
11
Service Information
12
Note on Replacement of Lithium Battery
12
Flexible Card Wire
13
Connecting and Disconnecting Flexible Card Wires
13
Connecting and Disconnecting Flexible Card Wires with Connector
13
Updating the Software Programs
15
Updating the Main Program
15
Updating the BOOT Program
16
Writing and Rewriting the PLD Internal Data
17
Corresponding Plds
17
Periodic Replacement Parts
18
Notes on Replacement of Circuit Board
19
EEPROM Data
19
Actions to be Taken after Board Replacement/Repair
19
Circuit Protection Parts
20
Circuit Protective Element
20
Fuse
20
Functions of Onboard Parts
22
Description of Onboard LED Indicators
22
Functions of Onboard Switches
24
Functions of Onboard Potentiometers
25
Circuit Description
26
DM-152 Board
26
DPR-361 Board
27
CN-3661 Board
28
CN-3662 Board
28
CN-3663 Board
28
AU-358 Board
29
CN-3664 Board
29
PS-739D Board
29
1-10-10. CT-257D Board
29
Lead-Free Solder
30
2 System Setup
31
System Connection
31
Audio System
32
Intercom System Setting
32
Microphone Setting
34
System Settings
36
Tally System
36
Camera Number Setting
36
Video Signal System
37
Input/Output Signal Selection
37
Signal Phase Adjustment
37
Aspect Ratio Setting for Down-Conversion
37
VBS Signal Level Adjustment
40
Waveform Monitor Signal Level Adjustment
40
Stair Case Signal Adjustment Procedure
41
Picture Monitor Signal Level Adjustment
41
RETURN Input Signal
42
3 Maintenance Mode
43
Preparations
43
Starting/Exiting the Maintenance Mode
43
Memory Stick
44
VE OPERATION Menu
45
MAINTENANCE Menu
55
4 Replacement of Main Parts
59
General Information for Parts Replacement
59
Index
59
Tightening Torque
60
Top Cover
61
Front Assembly
62
Board
63
Board
67
PS-739D Board
67
TRIAX Connector Assembly
69
Board
70
CN-3664 Board
72
DC Fan
73
Rear Assembly
75
Board
78
CN-3661 Board
80
CN-3662 Board
81
CN-3663 Board
82
5 Electrical Adjustment
83
Preparation
83
Equipment Required
83
Audio System Adjustment
85
RTS Intercom Adjustment Check
85
Video/Reference Signal System Adjustment
87
27 Mhz VCO Free-Running Adjustment
87
STAIR CASE Adjustment
87
SD Signal System Adjustment
89
VBS Output Level Adjustment
89
PIX Output Level Adjustment
89
WF Output Level Adjustment
90
Y/R-Y/B-Y Output Level Adjustment (SD)
91
HD Signal System Adjustment
93
Y/R-Y/B-Y Output Level Adjustment (HD)
93
RGB Output Level Adjustment
94
TRIAX Transmission System Adjustment
96
1.0-Mhz Modulation Circuit Adjustment
96
1.4-Mhz Demodulation Circuit Adjustment
96
Tone Detection Frequency Adjustment
97
6 Spare Parts
99
Note on Repair Parts
99
Exploded Views
100
Supplied Accessories
107
7 Diagrams
109
Block Diagrams
109
Frame Wiring
112
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Sony HXCU-TX70 Specifications
General
Brand
Sony
Model
HXCU-TX70
Category
Control Unit
Language
English
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