Hitachi C47-WD7000 Service Manual page 22

TROUBLE SHOOTING
Trouble Shooting Guide for DP4M
No
1 Signal PWB
2 Tuner (Main/Sub)，I001
3 Microprocessor (I004)
4 FC unit
5 Sub signal PWB
Audio control/amplifier
IR01 (MSP3455G)
6
IA02 (TA8258H)
IA01 (NJW1160)
7 EEPROM (I007)
8 Video chroma IC IG04，IQ02(TB1274AF)
Deflection Control/RGB IC
9
IY04 (TA1360)
Convergence/Deflection PWB
10
Sub Deflection PWB
11 DCU unit (UKDG)
12 Terminal PWB; Power PWB
13 Sensor PWB, Sensor
14 PRT tube
15 CPT PWB
16 DY coil
Deflection Control IC
17
IH01 (M62501P), FBT (TH02)
Item Changed Adjustment necessary
White Balance/Sub-brightness.
Tuner (AGC)
Horizontal phase/Vertical phase
AGC
No adjustment necessary
No adjustment necessary
Tint adjustment
No adjustment necessary
Memory initialize and all adjustments in service menu
Tint adjustment
White Balance /Sub-brightness
Horizontal position (50Hz/60Hz)
Horizontal /Vertical size; Trapezoid distortion adjustment
Side pin adjustment; High voltage adjustment
Cut off (screen) adjustment; DCU phase data setting;
Raster Position Adjustment; Focus adjustment
Convergence adjustment (includes magic focus initialize);
Raster Position Adjustment; DCU phase data setting;
Convergence adjustment (includes magic focus initialize)
Phase data
No adjustment necessary
Convergence adjustment; Magic focus initialize
Pre Heatrun; Cut off (screen) adjustment;
All related lens adjustment(focus etc.);
Blue Defocus Adjustment; White Balance; Sub Brightness;
Convergence adjustment (includes magic focus initialize)
All related lens adjustment (focus, etc. )
White Balance; Convergence (includes magic focus initialize)
Horizontal /Vertical size; Raster Tilt/Position Adjustment;
Side pin adjustment; Trapezoid distortion adjustment
Convergence adjustment (includes magic focus initialize)
High voltage adjustment;
Cut off (screen) adjustment
22