TCL Multimedia Technology Holding CRT BU R&D Center
Chassis Name
NX56-AP&NX56B-AP
Serial No.
Issued on
2008-01-18
Page
Page 7 of 17
Updated on
2009-04-24
Version
4.0
3. Adjustment description
Note: Alignment should be done after 3 minutes warm up of TV.
3.1 B+ Voltages
1. All relevant connectors and modules must be connected and inserted.
2. Main voltage is at 220VAC, 50Hz.（voltage range:110VAC~240VAC,50Hz）
3. Connect a voltmeter to B+ (Cathode of D808 for NX56 chassis or cathode of D833
for NX56B chassis) and switch on the set.
4. Input Philips test pattern signal and standard mode.
5. Adjust VR801, it should as the value in below form B+ Voltage.
Table 3.1.1: The B+ value for vary tubes
CRT type (Part Number) B+ Voltage
A68ERF185X013/M (44-29RFLN-HFCA) 125V+/-0.5V
A51ERF135X90 (44-21RFLW-HF2A) 105V+/-0.5V
A51ERS357X440(44-21RFLM-HF4A) 108V+/-0.5V
CRTA68AGA20X99（44-29OFLW-TS4A）
125V+/-0.5V
A59EEJ04X60（44-25OFLP-HF5A）
125V+/-0.5V
A59ERF181X03（44-25RFLN-HF1A）
125V+/-0.5V
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