Hitachi 5Y18 Service Manual

SERVICE MANUAL

5Y18 CHASSIS

Design and specifications are subject to change without prior notice.
( ONLY REFERRENCE)

ENGINEER BY: CHECKED BY: PPROVED BY:

_____

_____

_____

36-43

44

Systems： a. North America： NTSC-M
b. South America and southeast Asia： NTSC-M/PAL

BG/DK/I/M/N

C．Europe： PAL SECAM
Power： 90-260VAC
Sound systems：a. AV STEREO(TONE CONTROL optional)

b. MTS STEREO(TONE CONTROL optional)
Sound power： STEREO 5W+5W OR 10W+10W (PIN TO PIN)
AV input/output：

1、 F.AV
2、 AV OUT
3、 AV IN optional：a. ONE FULL SCART

b. RCA&S-video
c. RCA&YUV
d. RCA&YUV&S-video

Other functions： TONE CONTROL/CCD/V-CHIP/LOGO/GAME/ calendar

/blue screen /lock/time

-3-

Chassis Block Diagram

-4-

Service Adjustments

1、、、、 Please notice the following before Servicing

1-1

The main power is 90～260V/50/60Hz, Please be careful when you debug and
equip.

1-2、Don’t short any two soldering points, which should not be shorted and don’t

touch any components, which should not be touched.
1-3、Please disconnect the power plug from the wall outlet before servicing.
1-4、For safety reasons, all components equipped or replaced should be identical with

BOM.
1-5、Before alignment, ensure the TV set has been heated for at least 30 minutes and

degauss the CRT thoroughly with demagnetizer.
1-6、The data of EEPROM must be stored before the adjustment for main chassis.

2222、、、、 Tools and equipments for adjustment

Tools and equipments for adjustment：：：：

Tools and equipments for adjustmentTools and equipments for adjustment

2-1、 small “-”screwdriver。

2-2 、 screwdriver without inductance
2-3、 Pattern Generator。
2-4、 Digital Voltmeter
2-5、 DC Regulated power supply。
2-6、 Sweep Signal Generator。
2-7、 20MHz 2-channel Oscilloscope.
2-8 、 Signal condition(factory debug signal)：

Item Logo

1 CHN-1CH 49.75

2 WE-6CH 182.25MHz Red filed PAL—BG

3 CHN-12CH 695.25MHZ

4 CHN-13CH 471.25 Cross hatch PAL—D/K 1KHZ
5 USA-3CH 61.25 Color bar NTSC—M 1KHZ

6 751.25 Monoscope PAL—I

7 WE-S20CH 294.25

8 224.25

9 85.25 Cross hatch PAL—DK BTSC 16:9

10 199.25 Cross hatch NTSC—M BTSC MTS

Picture
carrier

Pattern

PHILIPHS

Picture

Grey/

alf color bar

alf color bar PAL—BG

PHILIPHS

Picture

System

PAL—I 1KHz

SECAM-D/K BTSC

PAL—BG

Sound

mode

L:

R:400HZ

A：BTSC

B：MUSIC

C：1KHZ
A:400HZ

B:1KHZ

A：BTSC

B：MUSIC

C：1KHZ

Remark

A2 STEREO
/TELETEXT

I NICAM

STEREO

B/G

NICAM

11 USA-31CH 573.25 Monoscope NTSC—M 1KHZ

-19-

Service Adjustments

3333、、、、 Adjust for main IC

Adjust for main IC

Adjust for main ICAdjust for main IC

3-1、、、、Power check

Main voltage Rating

Item

1 B+ Power supply 130V±1V 70V C532
2 TFA Power supply (load) 20V±2V ―― C582
3 UOC Main resistance 16V±1V ―― C542
4 Memorizer power supply 5V±0.5V 5V±0.5V W722
5 Tuner power supply 5V±0.5V 0V TUNER
6 Tune voltage 33V±0.5V ―― C708
7 Vertical power supply 26V±0.5V 0V C452
8 RGB power supply 190V±10V 0V C439

TESTING OF EACH VOLTAGE

Power

voltage

voltage

Test position
（positive pole of the
capacitor）

3-2、、、、AGC adjustment

Method : Receive 60dB、751.25MHZ monoscope pattern, after pressing “PROD”

key three times TV SET will go to factory mode. Then pressing the “MUTE” key
three times to go to MENU3, select RF·AGE with “PROG+/-” key. Pressing
“VOL+-” key to change its value . Adjust W101 to 4V or just get the clearest picture.
At last press “PROD” key to exit the factory mode.

4444、、、、 COMPLETE MACHINE GENERAL ADJUSTMENT

COMPLETE MACHINE GENERAL ADJUSTMENT：：：：

COMPLETE MACHINE GENERAL ADJUSTMENTCOMPLETE MACHINE GENERAL ADJUSTMENT

4-1 、、、、 Set TV to factory mode before aging line.

Method：Press “PROD” key to entering factory menu, Select the item by

“PROG+” and “PROG-”ke ys, Adjust it b y “VOL+” and “VO L-“ k eys, Press
“PROD” key to exit factory mode！

4-2 、、、、 Focus Adjustment.

4-2-1、Receive monoscope pattern.
4-2-2、Set TV to work in dynamic status.
4-2-3、Adjust the focus knob of FBT to get the clearest picture.

4-3 、、、、 Screen Voltage Adjustment ：

4-3-1、Set TV at“TV”/“STANDARD”mode，no signal input;
4-3-2、Press key “PROD” two times to enter factory mode;
4-3-3、Press “MUTE “button on Remote Control ;
4-3-4、Adjust the screen knob of FBT to set the horizontal line just be seen, then press
“MUTE “button to return other factory menu .

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Service Adjustments

4-4、、、、 Horizontal Center and EW Adjustment

4-4-1、Receive 50HZ cross hatch pattern . Set TV standard status . Adjust H.PHASE
to obtain picture’s horizontal center at the center of CRT screen in factory MENU4 .

Receive cross hatch pattern . Set TV standard status ,.Adjust E/W DC、E/W TI L E、
E/W AMP、E/W TOP、E/W BOTTOM to obtain picture’s horizontal redisplay ratio
more than 90% in factory MENU4.

E/W DC 50HZ Horizontal amplitude
E/W AMP 50HZ EW width
E/W TOP 50HZ EW upper corner parabola
E/W BOTTOM 50HZ EW lower corner parabola
E/W TILE 50HZ EW trapezium

H . PHASE 50HZ Horizontal center adjustment

4-4-2、Receive 60HZ cross hatch pattern. Set TV standard status, Adjust NT. H.

PHASE to obtain picture’s horizontal center at the center of CRT screen in
factory MENU1. Adjust NT .E/W DC 、NT .E/W AMP、NT .E/W TOP、

NT .E/W BOT to obtain picture’s horizontal redisplay ratio more than 90%
in factory MENU4.

.E/W DC 60HZ Horizontal amplitude

NT

NT

.E/W AMP 60HZ EW width
.E/W TOP 60HZ EW upper corner parabola

NT

NT

.E/W BOT 60HZ EW lower corner parabola

NT . H . PHASE 60HZ Horizontal center adjustment

4-5 、、、、Vertical size and Linearity Adjustment

4-5-1、Receive 50HZ monoscope PATTERN. Set TV standard status. Adjust V.LINE、

V.SC and SHIFT to obtain vertical center at the center of CRT screen in factory
MENU0.

4-5-2、Receive 50HZ monoscope PATTERN. Set TV standard status. Adjust V.SIZE to

obtain picture’s vertical redisplay ratio more than 90% in factory MENU

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Service Adjustments

V.LINE 50HZ Vertical linearity
V.SC 50HZ Vertical S-correction

SHIFT 50HZ Vertical center

V.SIZE 50HZ Vertical amplitude

4-5-3、Receive 60HZ monoscope PATTERN. Set TV standard status. Adjust

NT.V.LINE and NT.V.SC to change vertical size. Adjust NT.SHIFT to obtain
vertical center at the center of CRT screen in factory MENU0 .

4-5-4、Receive 60HZ monoscope PATTERN. Set TV standard status. Adjust

NT.V.SIZE to obtain picture’s vertical redisplay ratio more than 90% in
factory MENU

NT.V.LINE 60HZVertical linearity
NT.V.SC 60HZ Vertical S-correction
NT.SHIFT 60HZ Vertical center

NT.V.SIZE 60HZ Vertical amplitude

4-5-5、If necessary, adjust Horizontal Center and EW again.

4-6、、、、 OSD position adjustment:

Receive 50/60HZ cross hatch pattern. Set TV standard status. Adjust OSD
H.POSI.and OSD V.POSI item to obtain menu OSD at the center of CRT screen in

factory MENU1;

4-7、、、、 White Balance Adjustment

4-7-1、Set TV AV status and receive Black-White signal , connect the line to

XS703,then go to auto white balance adjustment;
4-7-2、Disconnect the line when the adjustment is OK;
4-7-3、White Balance Adjustment ( repairing)
4-7-4、Set TV AV status and receive Grey-White signal
4-7-5、The one sampling tube of CRT color analyzer (CA-100) covers on grey signal

and the another covers on white signal;
4-7-6、Go to factory mode,. Obtain Grey signal X=281 , Y=311 by adjusting R-BIA、

GBIA、B-BIA . Obtain White signal X=281 , Y=311 by adjusting R-DRV、

G-DRV、B-DRV. Obtain both X=281 and Y=311 by adjusting the two status

repeatedly .

4-7-7 Be this machine to take When the function of YUV and white balances

be partial to, need the white balance adjustment of carry on the

-22-

Service Adjustments

appearance of YUV.

Method:Enter the factory menu, adjust the YUV B- Y DC, the YUV R- Y

DC to adjust to try again and again, make the white
equilibrium the best.

4-8、、、、CONVERGENCE ADJUSTMENT：：：：

4-8-1、 Receive a dotted pattern. Set the TV receiver dynamic;
4-8-2 、Loose the convergence magnet clamper and make red with blue dots at the

center of the screen by rotating (R, B) static convergence magnets;

4-8-3、 Align Red/Blue with green dots at the center of the screen by rotating (RB-G)

static convergence magnet;

4-8-4、 Remove the DY wedges and slightly tilt the deflection yoke horizontally and

vertically to obtain the good edge convergence. Fix them after the good
overall convergence got.

4-8-5、 Fix the convergence magnets in turn of Left-Low, Right-Low Right-Up ,

Left-Up

4-8-6 、If purity error is found , adjust color purity.

4-9、

SUB BRIGHT ADJUSTMENT：

Receive the gray scale . Get into the menu of factory mode. Then adjust the
SUB..BRI option to get a scale to be seen a little brightness(Only one-two rows can
be seen).

5555、、、、E2PROM Adjustment( Department of engineering adjustment)

5-1、、、、E2PROM Initializtion:

-23-

Service Adjustments

5-1-1、When in repairing, we can replace E2PROM by other empty or unempty

E2PROM,but you must initialize E2PROM to avoid unknown things.
5-1-2、When in manufacturing, first you read the data from a master E2PROM 24C08,

then write to other E2PR0M 24C08.

5-2、、、、Function adjustment ( Department of engineering

adjustment)

Press remote control button PROD to entering factory adjust mode. Press MUTE
button to entering MENU3 , press MUTE button again after setting STEUP
SELECT to 1 , set up its function according as the order form.

FACTORY MENU DESCRIPTION (5Y18SEA)

MENU0

Item Name Instruction

0 V.SIZE Vertical amplitude (0~127)
1 V.LINE Vertical linearity (0~31)
2 V.SHIFT Vertical shift（0~15）

3 V.SC
4 NT.V.SIZE Vertical amplitude offset of NTSC to PAL (-31~+32)
5 NT.V.LINE Vertical linearity offset of NTSC to PAL (-7~+8)
6 NT.V.DC Vertical out DC level offset of NTSC to PAL (-7~+8)
7 NT.V.SHIFT Vertical shift offset of NTSC to PAL（-7~+8）
8 NT.V.SC Vertical SC-correction offset of NTSC to PAL (-7~+8)

MENU1

Item Name Instruction

0 H.PHASE Horizontal center (0~31)

1 NT.H.PHASE Horizontal center offset of NTSC to PAL (-7~+8)

H.BLK.LEFT

3

H.BLK.RIGHT

4
5 OSD H.POSI. OSD horizontal position (0~63)

Vertical SC-correction (0~31)

Horizontal Left Blanking adjust (0~7)
Horizontal Right Blanking adjust (0~7)

6 OSD V.POSI. OSD vertical position (0~31)
7 SCR.H.POSI SCR horizontal position (0~63)
8 OSD. CONT. OSD contrast (0~7)

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Service Adjustments

MENU2

Item Name Instruction

0 R-Y/B-Y G.BL R-Y/B-Y Amplitude adjust (0~15)，Default value 8
1 R-Y/B-Y ANG. R-Y/B-Y Demodulation angle adjust(0~15)，Default value8
2 B-Y DC LEVEL White balance (0~15)，Default value8；
3 R-Y DC LEVEL White balance (0~15)，Default value8；
4 PAL/M/N B-Y PAL/M/N White balance (0~15)，Default value8；
5 PAL/M/N R-Y PAL/M/N White balance (0~15)，Default value8；
6 YUV B-Y DC YUV White balance (0~15)，Default value8；
7 YUV R-Y DC YUV White balance (0~15)，Default value8；
8 G-Y AMP G-Y Amplitude adjust（0~15）

9 G-Y ANGLE G-Y Angle option0：240，1：253

MENU3

Item Name Instruction

0 SETUP SELECT MENU4~22 switch option（0：lost/1：ok）
1 RF.AGC RF.AGC adjust (0~63)
2 VOLUME OUT Volume out adjust (0~127)；Make sure stereo is turn on

3 BTSC IC SEL. BTSC IC selection （0：LA72700/1：TDA9850）
4 INPUT LEVEL TDA9850 Amplitude of input signal (0~15) TDA9850 must be checked
5 SPECTRAL TDA9850 Separate of high frequency (0~63) TDA9850 must be checked
6 WIDEBAND TDA9850 Separate of low frequency (0~63) TDA9850 must be checked

7 ALC/LEVEL ALC selection and SAP output amplitude(0：ALC OFF、LEVEL1/1：ALC ON、

LEVEL1/
2：ALC OFF、LEVEL2/3：ALC ON、LEVEL2) LA72700 must be checked

8

H

.SIZE COMP

MENU4

Item Name Instruction

E/W DC E/W DC level (0~63);

0

E/W AMP E/W amplitude (0~63);

1

E/W TILT E/W Tilt (0~63);

2

E/W TOP E/W top corner correction (0~15);

3

Horizontal size compensate (0~7);

E/W BOTTOM E/W bottom corner correction (0~15);

4

NT.E/W DC NTSC E/W DC level (-7~+8);

5

NT .E/W AMP NTSC E/W amplitude (-7~+8);

6

NT .E/W T OP NTSC E/W top corner correction (-7~+8);

7

NT.E/W BOT NTSC E/W bottom corner correction (-7~+8);

8

E/W COR.SW

9

Control range of corner correction 0：STRONG SIDE，1：WEAK SIDE

-25-

Service Adjustments

p

MENU5

Item Name Instruction

0 ZOOM V.SIZE Vertical size of magnified screen (0~127) Make sure ZOOM OPTION is 1

ZOOM DC ZOOM E/W DC level (0~63);

1

ZOOM AMP ZOOM E/W amplitude (0~63);

2

ZOOM TOP ZOOM E/W top corner correction (0~15);

3

ZOOM BOTTOM ZOOM E/W bottom corner correction (0~15);

4

5 WIDE V.SIZE Vertical size of wide screen(0~127)；Make sure ZOOM OPTION is 1

WIDE DC WIDE E/W DC level (0~63);

6

WIDE AMP WIDE E/W amplitude (0~63);

7

WIDE TOP WIDE E/W top corner correction (0~15);

8

WIDE BOTTOM WIDE E/W bottom corner correction (0~15);

9

MENU6

Item Name Instruction

0 STEREO OPT. Volume control option（0：decode inside control/1：single PWM/2：double

PWM/3：LV1116 control）

1 LV1116 GAIN LV1116 Gain control（0~7）
2 SUR. MODE Surround mode option（0~7）（6is the same as 7）
3 WOOFER GAIN Woofer gain control（0~7）

4 LV1116 PORT LA1116 Input port option（0:2input/1:3input）

5 MUTE LEVEL PMUTE Mute output level option（0：high level /1：low level）
6 VOLUME OPT. Option of volume linearity control（0：fool control mode /1：four parts

equality and linearity control mode）

7 VOLUME 25 Four parts equality and linearity control mode，Volume 25,LA7650 output

（0~63）

8 VOLUME 50 Four parts equality and linearity control mode，Volume 50,LA7650 output

（0~63）

9 VOLUME 75 Four parts equality and linearity control mode，Volume 75,LA7650 output

（0~63）

MENU7

Item Name Instruction

0 S．TRAP TEST Narrow-band sound trap wave frequency adjust (0~7)；Default : 4。
1 S.TRAP.SW Inside/outside trap wave selection （0：inside 1：outside），Default : 1

2 VOL. FILTER Volume control and filter function（0：no 1：yes ）；commonly select 0。

3 A.MONI.SW Pin 2 output Selection（ 0： TV audio-output 1：TV audio-output； AV

audio-out

4 4.5M OPTION 4.5M Sound system option(1：yes / 0：no )

ut）

-26-

Service Adjustments

5 5.5M OPTION 5.5M Sound system option (1：yes / 0：no )
6 6.0M OPTION 6.0M Sound system option(1：yes / 0：no)

7 6.5M OPTION 6.5M Sound system option(1：yes / 0：no)

8 THAI DUAL Thai dual option(1：yes / 0：no)

9 TFA9843A OPT TFA9843A option(1：yes/ 0：no)

MENU8

Item Name Instruction

0 AUTO OPTION Color system AUTO option(1：yes / 0：no )

1 AUTO1/2 OPT. Color auto identify option (0：auto identify PAL/NTSC3.58/NTSC4.43 / 1：

auto identify PAL-M/PAL-N/NTSC3.58)

2 PAL OPTION PAL Color system option(1：yes/ 0：no )

3 PAL-M OPTION PAL-M Color system option(1：yes / 0：no)

4 PAL-N OPTION PAL-N Color system option(1：yes/ 0：no)

5 N3.58 OPTION NTSC3.58Color system option(1：yes / 0：no)

6 N4.43 OPTION NTSC4.43Color system option(1：yes/ 0：no)

MENU9

Item Name Instruction

0 C．TRAP TEST Color trap wave control （0~7）
1 C．BPF TEST Color BPF control (0~3)
2 C.KILLER OPE Color killer start setting (0~7)
3 PAL APC SW PAL APC switch (0~1)；default value 0。
4 APC OFFSET APC OFFSET current（0~7）
5 C.VCO.ADJ. NTSC/PAL-M/PAL-N Adjust VCO frequency（0~7）

6 C.BYPASS Bypass color band-pass filter（0：no/1：yes）instruction： 1: throw；

0:hold。

MENU10

Item Name Instruction

0 SEARCH TYPE South America tune mode（1：yes /0：no）

1 TUNER OPTION Tuner mode option （0：voltage/1： frequency）

2 VL/VH FREQ. Tuner VL/VH frequency selection :(VL highest frequency +VH lowest

frequency)/2-100.25MHz

3 VH/UHF FREQ. Tuner VL/UHF frequency selection:( VL highest frequency +UHF lowest
4 BAND OPTION Tuner UHF carry mode selection (0：00000100B / 1：00001000B)

5 CATV BAND South America tune mode CABLE(0：STD / 1：STD、IRC and HRC)

6 SEARCH SPEED Search speed option（0：low mode/1：fast mode）
7 SEARCH CHECK Auto search check when cold power on (1：yes/0：no)

-27-

Service Adjustments

MENU11

Item Name Instruction

0 AV OPTION AV input option(0~3)

1 S-VIDEO OPT. S-Video input function option（0：no 1：yes）

2 YUV OPTION YCbCr input function option(1：yes /0：no)

3 DVD OPTION DVD option（1：yes /0：no）

DVD CHANNEL DVD channel option（0~3）please notice the following

（1）AV OPTION=1 and DVD OPTION=1

0: DVD(VIDEO)S-VIDEOYUV
1: no
2: VIDEODVD(S-VIDEO)YUV
3: VIDEOS-VIDEODVD(YUV)

（2）AV OPTION=2 and DVD OPTION=1

0: DVD(VIDEO)VIDEOS-VIDEOYUV
1: VIDEODVD(VIDEO)S-VIDEOYUV
2: VIDEO1VIDEO2DVD(S-VIDEO)YUV
3: VIDEO1VIDEO2S-VIDEODVD(YUV)

（3）AV OPTION=3 and DVD OPTION=1

0: DVD(VIDEO) VIDEO1VIDEO2S-VIDEOYUV
1: VIDEO1VIDEO2DVD(VIDEO)S-VIDEOYUV
2: VIDEO1VIDEO2VIDEO3DVD(S-VIDEO)YUV
3: VIDEO1VIDEO2VIDEO3S-VIDEODVD(YUV)

MENU12

Item Name Instruction

0 POWER OPTION Power original state option(0：off / 1.：remember / 2、3：on)

1 POWER LOGO Power logo option (1/0)；make sure its value is “1” after factory setting
2 SCREEN OPT. Screen option of power on/off (0：no / 1：on / 2：off / 3：both)

3 SCREEN TYPE Screen type option （0：normal/1：fade in fade out）
4 SCREEN TIME Screen waiting time selection (0~7seconds)

5 V.MUTE P.OFF Disconnect audio output to CRT before POWER OFF(1：yes/0：no)

6 DISCHARGE DC power off discharge control（0：no/1：yes）
7 UHF/DEGAUSS LA76933 pin 39th function option（0：UHF control/1：DEGAUSS control）

-28-

Service Adjustments

MENU13

Item Name Instruction

0 LINE MODE B/W BALANCE，Picture mode of line and full screen changing(1：yes/0：

no)

1 GRAY MODE Inside test signal output level setting (0：white 70%/ 1：ash 15%)

，Default0

2 EVERY DAY Time menu availability option(1：every time /0：one time)
3 HOTEL MODE Hotel mode （1：yes/0: no）

4 HOTEL VOLUME Hotel mode largest volume control （0~100）
5 ON POSITION Hotel mode program option（0~255）

6 ON TV/AV Hotel mode TV/AV option（0：TV/1：AV）

7 ZOOM OPTION Zoom option(1：yes /0：no)

8 CHILD LOCK Child lock function option (1：yes /0：no)

MENU14

Item Name Instruction

0 GAME-MONEY Game-money function option(1：yes/ no)

1 GAME-CRAB Game-crab function option(1：yes/ 0：no)

2 GAME-TETRIS Game-tetris function option(1：yes/ 0：no)

3 GAME-888 Game-888 function option (1：yes/ 0：no)

4 LOTTERY Game-lottery function option(1：yes/ 0：no)

5 CALENDAR Calendar function option (1：yes/ 0：no)

6 BIO-CLOCK Bio-clock function option(1：yes/ no)

7 PHONE BOOK Phone book function option(1：yes/ 0：no)

MENU15

Item Name Instruction

0 ENGLISH OSD English OSD (1：yes /no)

1 CHINESE OSD Chinese OSD (1：yes /0：no)

2 INDONESIA Indonesia OSD(1：yes /0：no)

3 SPANISH OSD Spanish OSD(1：yes /0：no)

4 PORTUGAL OSD Portugal OSD (1：yes /0：no)

5 ITALIAN OSD Italian OSD(1：yes /0：no)

6 VIETNAMESE OSD Vietnamese OSD (1：yes /0：no)

7 FRANCE OSD France OSD(1：yes /0：no)

8 THAI OSD Thai OSD (1：yes /0：no)

-29-

Service Adjustments

MENU16

Item Name Instruction

0 BLK PROCESS Black option in process of channel changing(1：yes /0：no)

1 BACK COLOR Back color option in mute condition(0：blue / 1：black)
2 POSITION L/R OSD position L/R (0：left / 1：right)

3 SCREEN SAVER Screen saver option（0：LOGO only；1：the 1th row character；2：the 2th

row character；3：both rows ）

4 SAVER TOP Screen saver top （0~255）
5 SAVER BOTTOM Screen saver bottom（0~255）

6 SAVER LEFT Screen saver left （0~255）
7 SAVER RIGHT Screen saver right（0~255）

MENU17

Item Name Instruction

0 HALF TONE Half tone adjust（0~3）

1 MENU BACK Menu background (1：yes /0：no)

2 M.BACK COLOR Menu back color （BLK：back/BLU：blue/GRN：green/CYN：cyan/RED：red/MAG：

purple/YEL：yellow/ WHI：white）

3 MENU H.TONE Menu half tone option（0：no/1：half）

3 MENU ICON Menu icon option（0：yes/1：no）

5 ICON BACK Menu icon back (1：yes /0：no )

6 ICON H.TONE Menu icon half tone option （0：no /1：half）

7 PROMPT TYPE Menu prompt type option(0：single / 1：double)

MENU18

Item Name Instruction

0 V.COMP Vertical compensate adjust（0~3）

1 V.SEPUP Vertical synchronization separate sensitive enhance setting (0：normal mode/ 1：father

mode )，Default : 1

2 SYNC.SEP.SEN Vertical synchronization separate sensitive gate level setting (0~7) ，Default : 3
3 V RESET TIMING Vertical reset timing（0：normal 1:0.25H phase shift），Default : 0
4 C．D.MODE Vertical count mode(0~7)，Default0

5 V.TRANS Vertical athwart data transfer,0：normal，1：data transfer mode；
6 V BLK SW Vertical blanking switch （0：normal mode 1：wide mode），Default : 0

7 FBPBLK. SW Horizontal blanking switch（0：come from inside logic 1：come from inside

logic/FBP），Default : 1

-30-

Service Adjustments

MENU19

Item Name Instruction

0 SUB. CONT. Sub-contrast (0~31)
1 SUB. COLOR Sub-color adjust (0~15)
2 SUB. SHARP Sub-shape adjust (0~31)

3 SUB. TINT Sub-tint adjust (0~63)

4 BRT.ABL.DEF Auto-bright control (0：on / 1：off)

5 MID.STP.DEF Auto-bright center control (0：on / 1：off)
6 BRT.ABL.TH Auto-bright gate control (0~7)

7 OVER.MOD.SW Over modulate function switch （0：off 1：on）
8 OV.MOD.LEVEL Over modulate level（0~15）

MENU20

Item Name Instruction

0 CORING W/DEF Coring noise control（0：off 1：least Plus 3：most plus）

1 PRE SHOOT

2 OVER SHOOT

3 Y GAMMA STA. Y GAMMA correction start setting（0：None 1：High 3：Low）

4 DC.REST DC reset option （0：100% 1：107% 2：113% 3：129%）
5 WPL OPE. WPL Operation point option（0~3）0：Default ，1：High，3:Low

6 SH ADJUST Shape attribute adjust（0，normal；1，self-adapt）
7 BLK.STR.OPT. Black level stretch screen display option（1：yes /0：no）

8 BLK.STR.STA. Black level stretch start setting（0：high 2：low 3：none）
9 BLK.STR.GAIN Black level stretch plus adjust（0~3）

MENU21

Item Name Instruction

0 AFC GAIN AFC gain (0：AUTO / 1：HIGH) ，Default : 0

1 VIF.SYS.SW Picture mid-frequency setting（0:38.0M 1:38.9M 2:39.5M 3:45.75M）
2 VIDEO.LEVEL Video demodulation output level（0~7）；Default : 4。
3 V.LEV.OFFSET Video demodulation output offset level （0~3）

Bright signal pre-edge shoot adjust (0~3)
Bright signal back edge shoot adjust (0~3)

4 RGB TEMP SW. RGB output temperature compensate switch（0：off 1：on）
5 VCO FREQ. Picture mid-frequency VCO frequency adjust（0~255）
6 VCO ADJUST VCO Correction（0~15）

7 SVO OR FSC Pin 52 output signal（0：Video output 1：Color Sub-carrier wave output）

Default : 0

8 BLANK DEF RGB Output H/V BLK {0：on（normal mode） 1：off }

-31-

Service Adjustments

MENU22

Item Name Instruction

0 Y TH Signal’s delicacy of Blue level extend（0~3）Default : 0
1 Y GAIN Blue level stretch gain adjust（0~3）Default : 0
2 R WIDTH Blue level stretch gain adjust（0~3）Default : 0
3 R OFFSET Blue level stretch gain adjust（0~3）Default : 0
4 B WIDTH Blue level stretch gain adjust（0~3）Default : 0
5 B OFFSET Blue level stretch gain adjust（0~3）Default : 0

VM/AUDIO SW

6

VM DELAY ADJ

7

VM GAIN

8

Form2:Factory setting

Item SHIP1 SHIP2

Channel 1 1

Volume 0 0

Picture mode PERSONAL PERSONAL

Sound mode MUSIC MUSIC

Tint 0 0

Balance 0 0

Color system AUTO AUTO

Sound system I BG

Language ENGLISH ENGLISH

VM Output/AUDIO outside output switch ，0：AUDIO outside output，1：VM output
VM Delay time（0~3）
VM Gain option（0~7），0：Default

-32-

34

36

1

L1 IN

10/50V

C110

0.01

C101

C104
16V 2.2

AV2

V2 IN

XS804-3

R817

AV-L IN

8

82

C811
50V1

+

C809

R818

50V10

82

VSS

C9B

R812
100

R811
100K

+

C813

+

6

7

IN H

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1 0A1 10X1 21X1 3

AV1/AV2

R842

AV/TV

27K

C711
FK0.47

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L121

R110

15uH

220

V102
2SC2216

R109

R111

1K

27

B7
5V

C102

0.01

R715

R716

5K6

5K6

C710
FK0.47

R104

R103

68K

18K

B7
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C509

R108
5K6

C506

AV1

V1 IN

R1 IN

XS803

R807

R810

82

100

R800

+

C815

50V10

3

2

1Y10Y

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VD D

1 4

1 5

B7
5V

A101

BT2

BM2

BM1

+

BL(SDA)

BH(SCL)

BU(AS)

+

AGC

AHA-HXC-38A1

100K

+

C816
50V10

4

1Z

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N801

TC4053BP/BF

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AV-R IN

+
C814

10/50V

R841
10K

V841
2SC1815

C111

0.01

IF

BT

5

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16V47

R717

1K

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C817
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C106

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C C

XS504

TJC2-2A

C505

100n/250V

00

0

C501

XS502

NISPT-2

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250HM0.22

1

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VD501 VD504

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100K/1W

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LCL-07G/18mH

L501

LCL-07G/18mH

R501

1/2W-2M2

FU501

T3.15A H250V

AC90~260V

50/60Hz

10W-3R9R502

R504

150K/1W

N501

GND

VCC

FSCQ1265RT

FB

SYNC

R509

510R/1/2W

1
D

2

3

C517

50V10

4

5

RT501

PTD CA1 BF 7R0Q1 00

C503

400V 1000P

C504

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250HM0.22

R2 IN

+

R107

100

C112

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C709

FK0.47

R119

1K

VDZ501
18V/1W

+

LIVE AREA

L2 IN

R816

R814

100

100

R813
100K

+
C810
50V10

12V

R714
5K6

C510

+

400V220

R507

1K/1/2W

B6

R815
100K

16V220

TV RIN

AV-R IN

B7
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+

C801

TV RIN

TV LIN

R712
10K

V701
2SC1815

R508

1K5/1/2W

C515

100V 2n2

1N4148VD508

C800

+

C512

630V 22n

VD505
FR105

L504
Z2073

+

C516

50V10

16

0.01

C708
50V4.7

R711
27K

VD506
FR105

100n/63V

1Y10Y

VD507
FR105

VDZ502

4.7V

47n/63V

C520

2

C519

2

2

10/50V

10/50V

C618

C617

R710

33K

3

1Z

TC4053BP/BF

R OUT

+

+

N705
UPC574

C707

180

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3W 56K

10R/1/2W

R OUT

L OUT

AV-L IN

4

N802

R718

15K/2W

C514

2KV 1000P

R506

8M2/1/2W

B7

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5

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R618
100

R617

100

C706

220

BCK-160-L001A7A

R530

2200P/AC400C530

10/50V

C844
10/50V

TV LIN

HS817

3

C842

10/50V

V OUT

R OUT

XS801

B6

R808

+

B7

5V

R201

560

12V

82R

R809
560

R113

47K

R202

560

C118

0.1

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0.01

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560

+

0. 47/ 50VC206

C203

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AV-OUT

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XS804

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15K

+

C845

+

6

8

7

INH

VSS

VEE

C9B10A110X121X13X COM14Y COM15VDD

V801

2SC1815

R802
15K

R803

1K

L OUT

V802
2SC1815

R801
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10/50V

C843

+

AV/TV

+

Z101
HJ1967

64

SIF O UT1PIF A GC2SIF I N3FM F IL4SE L A UDI O O U T5AU DI O OU T6SIF A P C FIL7IF V CC8EX T. A UD IO IN /VM O U T9AB L10RG B VC C11R OU T12G O UT13B OU T14EW15V RA M P F IL16V O UT17VC O I RE F18H/ B US V C C19H A FC F IL20H O UT21VI DE O /V / B US G ND22M UTE23AV 1 /A V 224AV / TV25IR26VO L -L

C126
18P

B1
130V

CPU

21

10K

3

220/16V

C567

R532

68K/1/2W

RP551
B-20K

R533

1K5/1/4W

R547

+

V541

BD034

1K

B5
5V

1N4148

130V

B4

SOUND

22V

C545
10n

VD544

B1

N541

RF541

0.47R/1W

2200/35V

220/160V

0.47R/1W

C582

2200/25V

VDZ541

3V3

7805

R545
2R2/2W

+

C542

R546

R531
47K/2W

+

C532

RF542

+

VD543

1N4148

VD542

1N4148

C543
100n

T501

12

1

VD541
EU2A

2

13

3

4

7

8

N502

9

11

10

16

470P/2KV

15

R541

4K7/1/4W

C581

VD531

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470P/2KVC541

470P/2KVC531

VD581

R544

1K5/1/2W

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47K/1/4W

N503

KA431

61

62

60

PIF I N263PIF I N1

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RF A G C OU T

C120

22n

C117

C210

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10K

321

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+

R540

1K

C125

39P

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15uH

N553
7812

R573

27R/2W

V540
2SC1815

B6

12V

59

C123
1000

R572

56R/3W

57

AP C F IL58AF T FI L

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0.01
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10K

C129

0.01
C116

0.01
C115

16V100

VD402

1N4148

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21

3

C572

470/16V

B7
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USOC CHASSIS COLOR TV

3

4

Cr

Cb

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82R

C804

C803

0.01

0.01

R850
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C211
50V/1

C204
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+

C205

0.01
R204
560K

B LK D ET . F IL

+

56

B7

SIGNAL

5V

VD401
1N4148

IN T VI D EO I N / S-C I N

C408
100n

10/16V

+

C206

55

VI DE O /V V CC

C245

0.01

R403
330K

+

C656

C666
10/16V

+

MAIN BOARD

4

R404
1K

Y

+

+

100/16V

54

EX T VI D EO I N /Y IN

16V220

VD246

8V2

+

C852
50V1

R852
82R

C244

2SC1815

5

XS803

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C

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R827

82R

R854

82R

C855

C853

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0.01

50V1
R855

R853

82R

82R

SW707
POWER

SW706
AV/TV

R706

1.5K

R707

680

SW704

SW705

MENU

R705

2.7K

R708
10K

SW703

VOL-

VOL+

R704

3.9K

XS701
SCN-5

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4.7K

1 2 3 4

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8.2K

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5V

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+

39

RES ET

PWR GND10NF111OU T112VO L1

C665

47/16V

+

KEY

37

38

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(SDA)

DE GA U S S

(U )

27

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R776
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R774
560

13

+

+

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4.7/16V

R777
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+

C653
470/25V

C652

0.1

R653
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R O UT

TJC3-2Y

5W 8HM

AV/TV

C721

33n

R271

47

NC

N601

LA42352

100/16V

R652
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C405

C406

C654

0.01

33n

46

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2201/4W

10/16V

L-IN

R-IN

R603
10K

R604

10K

2SC1815

C651

V603

R412

100

10K

VD411
HZ7C3

R413

10K

44

FB P IN

YC - C I N45YC - Y IN

+

C404
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R402

3K3

+

C407
50V 1U

B6

12V

1

+

C661

+

10/16V
R662

10K

C658

12n

R651

C668

3K9

12n

R661

3K9

B4

22V

5

R721
100

R722

1M

+

C722

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50V2U2

C277

0.01
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41

43

R409
150

R735

10K

40

PL L

C PU G N D42C CD V CC

R736

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OUT28NF2

9

+

+

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47/16V

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470/25V

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C603
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+

C604

10n

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R205
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16V0.47C208

C207

+

0.1
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49

50

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53

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LA76933

4.4 3 M C R YS T AL

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C403

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0.47

VD244

VD245

8V2

8V2

R243

270/1/4W

B6

12V

R654

R664

15K

15K

V661

R665

1K

C669

10/16V

B6

12V

V651

2SC1815

R655

1K

VD601

1N4148

+

10/16V

R602

10K

+

+

C659

C602

10/16V

V601

2SA1015

+

VD602

C601

1N4148

100/16V

6

SW701

SW702

CH+

CH-

R700

R701

150K

27K

B6
12V

IR

B5
5V

C704

18P

G701

R709

32.768K

470K

C702

0.01
C701

+

100/16V

35

36

34

VL

VD D

KE Y IN

(SCL)

VO L -R28TU29PO WE R30SD A31SC L

4K7R747

4K7R7 49

R771
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R773
560

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SDA

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C723

47/16V

C712
100

8

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N702

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+

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R323

330

V304

2SC1815

R328
560

XS602

B902

6

7

15K/2W

R914
15

R459

R917

R925

15K/2W

VD452

1Z75

R456

39K

R471

7W3R9

Number RevisionSize

R915

R924
4K7

R452

1R

180/1/2W

+

10

15K/2W

C456

2.2/50V

R458

1K

9

4

6

1

2

3

B1

130V

V907

2SC2120

R460

R457

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+

0.1/100V

R918

R916

2K7/1/2W

R926

2K7/1/2W

C906

10/16V

C459

100V 33n

+

C457

25V2200

+

C450
100/16V

T471

BSC23-N0120

+

C458

C470
10/160V

VD909
1N4148

V908

2SA

R951
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0.47u/16V

B2

12V

R232
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A701

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R766

100

+

C728

R727
470

VD701
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C705

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4.7/16V

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B

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C720

10n

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R744

100

100

C713

100

5

6

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SD A

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12V

B2

26V

270/2W

B6

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2SC2383-O

B6

12V

R330
1K

R329

R316

560

V305
2SA1015

220

R314

R324

3K9

560

V303
2SA1015

VD301
1N4148

R318

1K

R326
12K

CRT BOARD

XP902

XS403

L901

SCN-5Y

SCN-5

5

4

3

1

10uH

5

4

3

2

2

1

N451

LA78041

NO N IN P U T7VC C16OU TP UT5GN D4PUM P O UT3VC C22IN PU T

+

C454
50V1

VD451
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L451

18uH

R451
5K6

C453
1000

R453

V- OU T

12K

L433
TLN501K

C440
43n/400V

+

C434

47/35V

L431

T431

0.22/2W

JDT1904

B2

26V

C562

470/35V

B3

180V

R943

1/2W 220K

R433
1/2W 1K

C433
500V 3900P

R319
2K7

R320
1K5

R322

62K

R325
3K3

V301

3DD3853

R327

10K

R454
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V431

B2
26V

R434

270/2W

VD441
EU2A

V302

2SA1015

R317

560

B

R902

+

VD446

G

R

470

R920
1K

10/16V

EU2A

R909
560

R910
470

C903

390P

R906

470

C902
390P

C901
470P

C905

100/35VC451

+

+

C441
390n/400V

V432

2SC5299

+

+

7

V905

2SC2688

VD909

1N4148

V906
2SC

R911

R912

56

820

V903

2SC2688

VD908

1N4148
R905
560

V904
2SC

R907

R908

56

820

V901

2SC2688

VD907

1N4148

R901
560

V902
2SC

R903

R904

56

820

VD904

R921

2K7

C452
1000/35V

C455

10P/500V

1N4148

R922

680

VD905

1N4148

1

R455
12K

1WJ 0R82

L441

+

TLN2083

C444

160V1

R441

1K/1W

R446

10K/1W

RU4 DSVD4 35

8K2/2000VC436

8K2/2000VC435

C437

33n/630V

VD441
EU2A

C439

22/220V

3.3/100V

VD561
EU2A

C305

RU 4CV D436

R550

1R/1/2WF

R492

1R/1/2WF

C432
500V 1000P

L301

2854

R313
3R3/1W

Title

A2

Date: 2006-7-7 Sheet of
File: F:\SW933.SCHDOC Drawn By:

C908

R46 1

R491

2R2/1W

220/16V

+

XS402

TJC2-5A

4

3

2

1

120/1/2W

7

8

1/2W 1K5

50V 1U

C907

FOCUS

SCREEN

R233

C231

8

XS901

GZS10-2-102G

C909

2KV1000

+

R923
56

XP402
TJC2-5Y

B3

180V

HV

8

XP901

SCN-4Y

4
3
2
1

FO
K6D

4

3

2

1

XS401
SCN-4Y