Sharp 21F-PA330I User manual

SERVICE MANUAL
COLOUR TALEVISION
Chassis No. GA-4
MODEL
In the interests of user-safety (Required by safety regulaton in some countries) the set should be restored to its original condition
and only part identical to those specified should be used.
PAL B/G System
Full Auto Channel Preset and Auto Channel Skip
100-CH Program Memory
CATV (Hyper Band) Ready
<Used Frequency Synthesizer Tuner>
Black Stretch Circuit
On Timer / Off Timer / Reminder Timer
Blue Back Noise Mute
Front AV IN & Rear AV IN / OUT Terminals
Front Headphone Jack
Aperture Control Circuit
FEATURE
Auto Fine Tuning
Colour Comp Filter (NTSC Only)
High Contrast Picture
Hotel Mode
2 Language OSD
(English / Thai )
White Temperature Select
Component In
Surround Sound Effect
<With Bass / Treble / Balance>
AV Stereo
SPECIFICATIONS...................................................
IMPORTANT SERVICE NOTES..............................
ADJUSTMENT PRECAUTIONS..............................
TROUBLE SHOOTING FLOWCHART....................
SOLID STATE DEVICE BASE DIAGRAM...............
WAVEFROMS.........................................................
CHASSIS LAYOUT..................................................
BLOCK DIAGRAMS
MAIN UNIT.......................................................
CRT UNIT.........................................................
HEADPHONE UNIT.........................................
S-CONTROL UNIT...........................................
DESCRIPTION OF SCHEMATIC DIAGRAM.........
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SCHEMATIC DIAGRAM
MAIN UNIT............................................
CRT UNIT..............................................
HEADPHONE UNIT...............................
S-CONTROL UNIT................................
PRITED WIRING BOAD ASSEMBLIES.......
REPLACEMENT PARTS LIST
ELECTRICAL PARTS............................
MISCELLANEOUS PARTS...................
ACCESSORIES PARTS.......................
CABINET PARTS..................................
PACKING PARTS..................................
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CONTENTS
WARNING
The chassis in this receive is partially hot. Use an isolation transformer between the line cord plug and
power receptable, when servicing this chissis. To prevent eletriv shock, do not remove cover. No user-
servieable parts inside. Refer servicing to qualified service personnel.
SHARP MENUFACTURING (THAILAND) CO.,LTD.
21F-PA330I

IMPORTANT SERVICE NOTES
Maintenance and repairing of this receiver should be done by qualified service
personnel only.
1. SERVICE OF HIGH VOLTAGE SYSTEM AND PICTURE TUBE
when servicing the high voltage system, remove static change from it by connecting
a 10K ohm resistor in series with an insulated wire (such as a test probe) between
picture tube dag and 2nd anode lead. (AC line cord should be disconnected from AC
outlet.)
1).
2).
3).
4).
2. X - RAY
This receiver is designed so that any X - Ray radiation is kept to an absolute minimum.
Since certain malfunctions or servicing may produce potentially hazardous radiation
with prolonged exposure at close range, the following precautions should be observed:
1).
2).
3).
3. BEFORE RETURNING THE RECEIVER
Before returning the receiver to the user, perform the following safety Checks.
1). Inspect all lead dress to make certain that leads are not pinched or that hardware
is not lodged between the chassis and other metal parts in the receiver.
2). Inspect all proteative devices such as non - mrtallic control knobs,insulating
fishpapers, cabinet backs, adjustment and compartment covers or shields,
isolation resistor - capacitty networks, mechanical insulators etc.
Convergence..........................................................................................................Self Convergence System
Focus.....................................................................................................Electrostatic Focus High Bi-Potential
Sweep Deflection...............................................................................................................................Magnetic
Intermediate Frequencies
Picture IF Carrier..............................................................................................................................38.9 MHz
Sound IF Carrier Frequency
6.5 MHz...........................................................................................................................................32.4 MHz
6.0 MHz...........................................................................................................................................32.9 MHz
5.5 MHz...........................................................................................................................................33.4 MHz
4.5 MHz...........................................................................................................................................34.4 MHz
Colour Sub - Carrier Frequency......................................................................................................34.47 MHz
Power Input.................................................................................................................110 ~ 240V AC 50/60 Hz
Power Consumption..................................................................................................................................97 W
Audio Power Output Rating.......................................................................................................4 W(RMS) x 2
Speaker
Size..................................................................................................................................... 12 x 6 cm (2 pcs)
Voice Coil Impedance...........................................................................................................16 ohm at 400 Hz
Aerial Input Impedance
VHF/UHF.........................................................................................................................75 ohms Unbalanced
Receiving System..................................................................................................................................PAL B/G
Tuner Ranges
VHF - Channels..............................................................................................................................E2 thru E12
UHF - Channels............................................................................................................................E21 thru E69
CATV - Channels............................................................................................................................S1 thru S20
Receiving Frequency...............................................................................................48.5 MHz thru 863.25 MHz
Dimensions (approx.) .............................................................................................................Width: 618.0 mm
Height: 473.0 mm
Depth: 482.0 mm
Weight(approx): 23.0 kg
Cabinet material.................................................................................................................................All Plastics
Specifications are subject to change without prior notice.
SPECIFICATIONS
2-1 2-2
2
Picture tube in this receiver employs integral implosion protection.
Replace with tube of the same type number for continued safety.
Do not lift picture tube by the neck.
Handle the picture tube only when wearing shatterproof goggles and after
discharging the high voltage completely.
When repairing the circuit, be sure not to increase the high voltage to more than
30.0kV(at beam 0 µA) for the set.
To keep the set in the in a normal opeartion, be sure to make it function on 27.0kV
1.5kV (at beam 1,000 µA) in the case of the set.The set has been factory -
Adjusted to the above mentioned high voltage.
*If there is a possibililty that the high voltage fluctuates as a result of the repairs,
never forget to check for such high voltage after the work.
Do not substitute a picture tube with unauthorizerd types and/or brands which may
cause excess X - ray radiation.
+
_

ADJUSTMENT PRECAUTIONS
This model’s setting in two different ways: through the I2C bus control and in the convention analog manner.
The adjustments via the I2C bus control include preset - only items and variable data.
CAUTION: Make sore TV set in “Normal condition” before swich to Service Mode for adjustment.
1. Setting the service mode by the microprocessor.
2. Factory Presetting.
3. For reference please check with memory map RH - IXB225WJZZ (See attachment)
Note:
Setting the service mode by the microprocessor to set the TV set to SERVICE mode position, and the
microprocessor is in input mode. (Adjustment trough the I2C bus control).
Press the MENU key on the remote controller to get ready to select the mode (Adjustment mode,
Setting mode, Check mode and Option mode) one by one.
Press the CH DOWN/UP key on the remove controller to select the item in Adjustment mode or Option
mode.
Using the VOLUME UP/DOWN key on the remote controller, the data can be modified. Please wait
approximately 200 msec for data storage in EEPROM before select to another mode.
In check mode the data cannot be changes.
Press the SERVICE key agian, it will swich to the NORMAL mode position, and the microprocessor is
out of the SERVICE mode.
(1).
(2).
(3).
(4).
(5).
(6).
Power ON the set, press the SERVICE key on the remote controller, then press both CH UP and
VOL UP button on the set simultaniously for 5 secs. Intial values are automatically preset, only when
a new EPROM is used.
The inital data are preset as listed in page 5-1 to 7-1.
Make sure the data need modification or not (Initial data)
Precaution: If haven’t done this initialization, it may possibly generate excessive Beam cerrent.
(1).
(2).
(3).
Presetting SERVICE mode (MANUAL)
Short JA301 & JA410, then TV set will switch to the service mode position, and the
microprocessor is in input mode. (Adjustment through the I2C bus control)
Press the MENU key on the remote controller to get ready to select the mode (Adjustment
mode, Setting mode, Check mode and Option mode) one by one.
Press the CH UP/DOWN key on the remote controller select the item in Adjustment mode,
Setting mode and Option mode.
Using the VOLUME UP/DOWN key on the remote controller, the data can be modified.
Please wait approximately 200 msec for data storge in the EEPROM before select to
another mode.
In check mode the data can not be changed.
Disable the short of JA301 & JA410, it will switch to the normal mode (OFF) position, and
the microprocessor is out of the sevice mode.
(1).
(2).
(3).
(4).
(5).
(6).
ADJUSTMENT ITEM
**Below are the adjustment items the should be done, PLS FOLLOW THE PROCEDURE. Otherwise
some adjustment items will not be accurate.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
BUS SETUP
OPTION SET UP
H - VCO
VIF - VCO
S - TRAP fo
RF - AGC
PURITY ADJ
CONVERGENCE ADJ
FOCUS ADJ
V - SHIFT (50 Hz)
H - SHIFT (50 Hz)
V - SIZE (50 Hz)
SCREEN
WHITE BALANCE
SUB - BRIGHTNESS
SUB - CONTRAST
BEAM CURRENT CHECK
SUB - TINT
SUB - COLOR
BEAM PROTECTOR CHECK
HV PROTECTOR CHECK
OTHER PROTECTOR CHECK
AV OUT CHECK
AV IN CHECK
COMPONENT IN CHECK
CONTRAST CONTROL CHECK
COLOR CONTROL CHECK
BRIGHTNESS CONTROL CHECK
TINT CONTROL CHECK
SHARPNESS CONTROL CHECK
CH DISPLAY COLOR CHECK
NORMAL DISPLAY CHECK
WHITE TEMP CONTROL CHECK
COLOR SYSTEM CHECK
SURROUND CHECK
TREBLE CHECK
BASS CHECK
BALANCE CHECK
SOUND SYSTEM CHECK
NOISE MUTE CHECK
OSD LANGUAGE QUANTITY CHECK
HEAD PHONE CHECK
BILINGUAL FUNCTION CHECK
SHOCK TEST CHECK
ROM CORRECTION CHECK
NO *** ADJUSTMENT ITEM EFFECTIVE MODEL REVISION
21F-PA330I
3-1 3-2
3

The flow of mode list as following,
*Direct Key - in Mode for Service Items in Service Mode
USER DATA IN SERVICE MODE
1). While SERVICE mode ON,EEPROM DATA will swich to the service data. Also, once SERVICE mode OFF,
EEPROM will swich back to previous USER DATA.
2). In the service mode, the user data establish as below,
RC CODE(HEX)
80
40
C0
20
A0
60
E0
10
50
E4
E4
75
F5
C2
8D
D6
0D
36
46
C6
26
24
54
74
66
E6
C4
4C
CC
2C
AC
EC
80
40
C0
20
A0
60
E0
10
50
E4
C1
CA
81
R/C KEY NAME
POS 1
POS 2
POS 3
POS 4
POS 5
POS 6
POS 7
POS 8
POS 0
FLASHBACK
FLASHBACK
WHITE TEMP UP
WHITE TEMP DOWN
TUNE DOWN
SHARPNESS DOWN
BALANCE LEFT
SHARPNESS UP
BALANCE RIGHT
TREBLE UP
TREBLE DOWN
BASS UP
COLOUR UP
BRIGHTNESS DOWN
TINT DOWN
SURROUND UP
SURROUND DOWN
CONTRAST DOWN
PICTURE
HOLD
TEXT
CANCEL
SIZE
POS 1
POS 2
POS 3
POS 4
POS 5
POS 6
POS 7
POS 8
POS 0
FLASHBACK
SERVICE - ITEM
R-C UP (IN SERVICE MODE VOO)
G-C UP (IN SERVICE MODE VOO)
B-C UP (IN SERVICE MODE VOO)
R-C DOWN (IN SERVICE MODE VOO)
G-C DOWN (IN SERVICE MODE VOO)
B-C DOWN (IN SERVICE MODE VOO)
R-D UP (IN SERVICE MODE VOO)
B-D UP (IN SERVICE MODE VOO)
B-D DOWN (IN SERVICE MODE VOO)
R-D DOWN (IN SERVICE MODE VOO)
Y-MUTE (BESIDES OF SERVICE MODE VOO)
RF-AGC (V01)
VIF-VCO (V02)
H-VCO (V03)
SUB-CON (V04)
SUB-COL (V05)
SUB-BRIGHT (V06)
SUB-TINT (V07)
SUB-SHP (V08)
SUB-COL-YUV (V09)
SUB-TINT-YUV (V10)
V-SIZE (V11), V-SIZE60 (V17)
V-SHIFT (V12), V-SHIFT60 (V18)
H-SHIFT (V13), H-SHIFT60 (V19)
SCM-BR (V14)
SCM-BB (V15)
SUB-VOL (V16)
S-TRAP-BG (V20)
S-TRAP-I (V21)
S-TRAP-DK (V22)
S-TRAP-M (V23)
S-TRAP-574 (V24)
R-C UP YUV (IN SERVICE MODE V25)
G-C UP YUV (IN SERVICE MODE V25)
B-C UP YUV (IN SERVICE MODE V25)
R-C DOWN YUV (IN SERVICE MODE V25)
G-C DOWN YUV (IN SERVICE MODE V25)
B-C DOWN YUV (IN SERVICE MODE V25)
R-D UP YUV (IN SERVICE MODE V25)
B-D UP YUV (IN SERVICE MODE V25)
B-D DOWN YUV (IN SERVICE MODE V25)
R-D DOWN YUV (IN SERVICE MODE V25)
AUTO ADJ FOR V01, V02, V03, V20, V21, V22, V23, V24
T-SET
SERVICE MODE
CONTRAST
COLOUR
BRIGHTNESS
TINT
SHARPNESS
WHITE TEMP
S-VOLUME
SURROUND
TREBLE
BASS
BALANCE
BLUE BACK
C SYSTEM
S SYSTEM
USER DATA
MAX (60)
CENT (0)
CENT (0)
CENT (0)
CENT (0)
STANDARD
MIN
OFF
CENT (0)
CENT (0)
CENT (0)
OFF
AUTO
*1
*1: For each CH, data is same as before swich to Service mode.
After set the MCL to MCL4, pease set the INITIAL SETTING to INITIAL 9.
INITIAL 9: For Thai (ALL channel Sound System are set to B/G)
CH-No
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Fv (MHz)
55.25
175.25
189.25
203.25
217.25
535.25
48.25
62.25
196.25
210.25
224.25
471.25
855.25
223.95
224.55
223.85
224.65
223.75
224.75
91.25
103.25
171.25
183.25
193.25
Sound Sys
B/G
B/G
B/G
B/G
B/G
B/G
B/G
B/G
B/G
B/G
B/G
B/G
B/G
B/G
B/G
B/G
B/G
B/G
B/G
B/G
M
M
M
M
M
CH-No
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
MCL4 (HEX D5)
Fv (MHz)
193.25
205.25
217.25
621.25
Sound Sys
M
M
M
M
MCL4 (HEX D5)
PLL DATA OF ABOVE FREQ SHOULD TAKE THE ACCOUNT OF PIF SETTING IN SERVICE
OPTION O04 (VIF) BEFORE STORING INTO EEPROM.
*NOTE :
4
4-1 4-2

SHIPPING SETTING & CHECKING
(1) The following default data has been factory-set for the E2PROM follow by INITIAL DATA selected.
**AFTER INITIALIZED THE EEPROM (REFER TO FACTORY PRESETTING), READ DATA FROM EEPROM ADDRESS
00H ~ 03H,
AND COMPARE TO THE LIST BELOW, IF DEFERENT, INITIALIZE THE EEPROM.
ADDRESS DATA ADDRESS DATA
00H : 7BH 02H : 72H
01H : 72H 03H : 75H
***There are four stages of service mode data. First stage from V00 - V31 (Adjustment mode).
To go into second stage of service mode data, press MENU key. Second stage data from F01 - F140 (Setting Mode)
To go into third stage of srevice mode data, press MENU key. Third stage data is Check Mode.
To go into fourth stage of service mode data, press MENU key. Fourth stage data from O01 - O30 (Option Mode)
*NOTE FOR OSD TYPE:
2: THAI & ENGLISH ONLY
LAST POWER
LAST TV/AV MODE
LAST POSITION
FLASHBACK CHANNEL
1/2 DIGIT ENTRY
VOLUME
BLUE BACK
OFF TIMER
ON TIMER
ON TIMER POSITION
ON TIMER VOLUME
REMINDER
AFT
COLOR SYSTEM
SKIP
NICAM ON/OFF
NICAM STEREO MODE
NICAM BILINGUAL MODE
NICAM MONO MODE
A2 ON/OFF
A2 STEREO MODE
A2 BILINGUAL MODE
CONTRAST
COLOR
BRIGHTNESS
TINT
SHARPNESS
WHITE TEMP
SURROUND
TREBLE
BASS
BALANCE
DATA SETTING
ON
TV MODE
CH 1
CH 1
2 DIGIT ENTRY
0 (Min)
OFF
--:--
--:--
--
--
--:--
ALL CH ON
ALL CH AUTO
ALL CH OFF
N/A
N/A
N/A
N/A
N/A
N/A
N/A
60
0
0
0
0
0
OFF
0
0
0 (CENTER)
ITEMS
INITIAL LANGUAGE SOUND SYSTEM
9 ENGLISH B/G
FACTORY SETTING BY MODEL
(Reference : Geomagnetism Adjustment)
MODEL MAGNETIC FIELD(V,H) nT BACKGROUND LANG. S-SYS LANG Q’TY
THAI 10,000 40,000 12300K THAI B/G 2
IN V00 CONDITION
NOTE-1
R-DRI UP
R-DRI DN
B-DRI UP
R-DRI DN
NOTE-2
R-CUT UP
R-CUT DN
G-CUT UP
G-CUT DN
B-CUT UP
B-CUT DN
07/07
27/39
08/08
0A/10
01/01
04/04
02/02
05/05
03/03
06/06
EEPROM ITEMS
R-DRIVE
B-DRIVE
R-CUT
G-CUT
B-CUT
RF-AGC
VIF-VCO
H-VCO
SUB-CONTRAST
SUB-COLOR
SUB-BRIGHT
SUB-TINT
SUB-SHARPNESS
SUB-COLOR-YUV
SUB-TINT-YUV
V-SIZE 50Hz
V-SHIFT 50 Hz
H-SHIFT 50 Hz
SECAM-BR
SECAM-BB
SUB-VOL
V-SIZE 60 Hz
V-SHIFT 60 Hz
H-SHIFT 60 Hz
S-TRAP (BG)
S-TRAP (I)
S-TRAP (DK)
S-TRAP (M)
S-TRAP (5.74)
CUTOFF/BKGD YUV
R-DRI YUV
B-DRI YUV
R-CUT YUV
G-CUT YUV
B-CUT YUV
SUB-CON YUV
SUB-BRIGHT YUV
VS-CORRECT
VC-CORRECT OFFSET
V LINEARITY
V LINEARITY
OSD
V00
V00
V00
V00
V00
V01
V02
V03
V04
V05
V06
V07
V08
V09
V10
V11
V12
V13
V14
V15
V16
V17
V18
V19
V20
V21
V22
V23
V24
V25
V25
V25
V25
V25
V25
V26
V27
V28
V29
V30
V31
DATA LENGTH
0~127
0~127
0~255
0~255
0~255
0~127
0~63
0~7
0~127
0~127
0~255
0~127
0~63
0~127
0~127
0~63
0~7
0-31
0-63
0-63
0~60
-31~0~+31
-7~0~+7
-15~0~+15
0~15
0~15
0~15
0~15
0~15
0~127
0~127
0~255
0~255
0~255
0~127
0~255
0~63
-13~+13
0~63
-13~+13
ADJUSTMENT MODE (FIRST STAGE)
INTIAL DATA
63
63
127
127
127
50
31
3
100
63
127
63
43
90
63
38
3
9
37
22
60
0
-1
+2
7
7
7
7
7
63
63
127
127
127
100
127
32
0
32
0
FiX/ADJ/AUTO
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
43
105
63
ADJ
ADJ
ADJ
ADJ
ADJ
60
0
-1
+2
ADJ
ADJ
ADJ
ADJ
ADJ
63
63
127
127
127
100
127
36
0
10
0
RC CODE (HEX)
NOTE-1
NOTE-1
NOTE-2
NOTE-2
NOTE-2
AE/174
AF/175
43/67
B1/177
6B/107
B0/176
6C/108
62/98
63/99
64/100
24/36
2A/42
2E/46
66/102
67/103
23/35
32/50
33/51
34/52
35/53
37/55
R/C KEY NAME
SERVICE
DAC
ONE COLUOR(RGB)
BLUEBACK
MCL4
FEATURE
TIMER
CONT UP
CONT DOWN
COL UP
COL DOWN
BRI UP
BRI DOWN
TINT UP
TINT DOWN
SHARPNESS UP
SHARPNESS DOWN
R/C CODE
(DEC/HEX)
129/81
119/77
126/7E
59/3B
171/AB
95/5F
83/53
34/22
35/23
36/24
37/25
41/29
42/2A
45/2D
46/2E
176/BO
177/B1
R/C KEY NAME
MPX/BIL
INITIAL-9
P-NORMAL
SYSTEM
AUTO
S-MUTE (V-MUTE/RGBINITAIL)
-/-- (V-MUTE/RGB ADJ DATA)
SURROUND
R/C CODE
(DEC/HEX)
24/18
238/EE
33/21
111/6F
131/83
23/17
60/3C
110/6E
5
5-1 5-2

DATA LENGTH
0~15
0~3
0~3
0~3
0~3
0/1
0~63
0~63
0~127
0/1
0/1
0~7
0~7
0~4
0/1
0~31
-15~0~+15
-15~0~+15
-15~0~+15
-15~0~+15
-15~0~+15
0~255
0~255
-6~0~+7
0~3
0/1
0~3
0~3
0~3
0~3
0~2
0/1
0/1
0/1
0/1
0~255
0~3
0~3
0/1
0~255
0~255
0~255
0~255
0~255
0~255
0~255
0~255
0~255
0~60
0~60
0~60
0/1
-30~0~+30
-30~0~+30
-30~0~+30
-30~0~+30
INITIAL
DATA
14
0
0
1
0
0
30
34
9
1
0
6
0
0
1
16
0
+1
-2
+3
-1
35
70
0
1
0
1
0
3
3
0
1
0
0
1
255
2
2
1
0
0
70
150
156
163
165
170
180
21
60
7
1
+15
+15
+30
+30
VD2/VD1/AS/FBP-YUV
VDL
UDL
AUTO-SCM-KIL-TV
SECAM-BGP
N45
TXT-POS-H
TXT-POS-V
OSD-POS
CP
SMALL-SURR
SUB-BASS
SUB-TREB
AGC-ADJ
AGC-SW-OFF
AGC-GAIN-ADJ
FM-LEVEL-ADJ
IGR-LEVEL-ADJ
NICAM-BG-LVL-ADJ
NICAM-I-LVL-ADJ
NICAM-DK-LVL-ADJ
NICAM-LOW-ERR-LIM
NICAM-UPP-ERR-LIM
IGR-GAIN-ADJ
FM-ID-SPEED
NICAM-AUTO-MUTE
AUTO-SCM-KIL-AV-YUV
AFC1-GAIN-TV
AFC1-GAIN-AV
AFC1-GAIN-YUV
CON-REDUCE
TAKE-OFF-TV
TAKE-OFF-AV
TAKE-OFF-YUV
C-ANGLE
AC-FALL-WO-BRIGHT
FORCED-SCM-KIL-TV
FORCED-SCM-KIL-AV-
YUV
R-Y ADJ
V-DEMUTE-DELAY
S-DEMUTE-DELAY
MER
MEL1
MEL2
MEL3
MEL4
MEL5
MEL6
S-ST-POINT
S-SP-POINT
S-STEP
POW-STORAGE
S-B-BASS
S-B-TREB
S-BASS
S-TREB
C.CLIP-LVL
RGB-CLIP
BS
ABCL
ABCL-GAIN
S-OUT-LVL
VIF-G
SHPG
SHPG-P
SHPG-S
SHPG-N4
SHPG-N3
YDL
YDL-P
YDL-S
YDL-N4
YDL-N3
YDL-AV
YDL-AV-P
YDL-AV-S
YDL-AV-N4
YDL-AV-N3
YDL-YUV
COL-AV
COL-P
COL-S
COL-N4
COL-N3
COL-ADJ
SHP-AV
SHP-YUV
SHP-P
SHP-S
SHP-N4
SHP-N3
TINT-AV
TINT-ADJ
TINT-YUV-ADJ
R-R
B-R
R-B
B-B
TRAP
TRAP-P
TRAP-S
TRAP-N4
TRAP-N3
1W-TV
1W-AV
V-FREE (NO SYNC)
AFC2 (NO SYNC)
GAMMA
BS-D/C
BS-GAIN
OM-DET
SL-TV
SL-AV
SL-YUV
VD2/VD1/AS/FBP-TV
VD2/VD1/AS/FBP-AV
CLIP LEVEL CONTRAST CONTROL OF RGB INPUT
CLIPPING OF RGB CONTRAST CONTROL
BLACK STRECH
ABCL PROCESSING (ACL PROCESSING)
ABCL PROCESSING GAIN
AUDIO OUTPUT GAIN CONTROL
P-IF DETETION GAIN OUTPUT
SHARPNESS GAIN
SHARPNESS GAIN PAL
SHARPNESS GAIN SECAM
SHARPNESS GAIN N443
SHARPNESS GAIN N358
Y SIGNAL DELAY
Y SIGNAL DELAY PAL
Y SIGNAL DELAY SECAM
Y SIGNAL DELAY N443
Y SIGNAL DELAY N358
Y SIGNAL DELAY AV
Y SIGNAL DELAY PAL (AV)
Y SIGNAL DELAY SECAM (AV)
Y SIGNAL DELAY N443 (AV)
Y SIGNAL DELAY N358 (AV)
Y SIGNAL DELAY YUV
COLOUR OFFSET AV
COLOUR OFFSET PAL
COLOUR OFFSET SECAM
COLOUR OFFSET N443
COLOUR OFFSET N358
COLOUR OFFSET ADJUST
SHARPNESS OFFSET AV
SHARPNESS OFFSET YUV
SHARPNESS OFFSET PAL
SHARPNESS OFFSET SECAM
SHARPNESS OFFSET N443
SHARPNESS OFFSET N358
TINT OFFSET AV
TINT OFFSET ADJUST
TINT YUV OFFSET ADJUST
R-DRIVE OFFSET WHEN WHITE TEMP IS RED
B-DRIVE OFFSET WHEN WHITE TEMP IS RED
R-DRIVE OFFSET WHEN WHITE TEMP IS BLUE
B-DRIVE OFFSET WHEN WHIYE TEMP IS BLUE
CENTER VALUE OF CHROMA TRAP
CENTER VALUE OF CHROMA TRAP
PAL
CENTER VALUE OF CHROMA TRAP
SECAM
CENTER VALUE OF CHROMA TRAP
N443
CENTER VALUE OF CHROMA TRAP
N358
VERT SYNC DETECTION MODE FOR
AV (1 WINDOW/2WINDOW)
VERT SYNC DETECTION MODE FOR
TV (1 WINDOW/2WINDOW)
SET VERTICAL TO FORCED FREE RUN MODE
HORIZONTAL AFC2 GAIN
GAMMA CORRECTION QTY
BLACK STRETCH CONTROL LEVEL
BLACK STRETCH LEVEL
OVER MODULATION DETECT
SLICE LEVEL OF SYNC DETECTION
SLICE LEVEL OF SYNC DETECTION TV
SLICE LEVEL OF SYNC DETECTION YUV
VD2 & VD1-VERT SYNC DETECT MIN WIDTH
MSB & LSB RESPECTIVELY, AS-TV/AV/YUV
SWICH & CHCHANGE, FBP-FLYBACK PULSE
SLICE LEVEL (TV)
VD2 & VD1-VERT SYNC DETECT MIN WIDTH
MSB & LSB RESPECTIVELY, AS-TV/AV/YUV
SWICH & CHCHANGE, FBP-FLYBACK PULSE
SLICE LEVEL (AV)
OSD
F01
F02
F03
F04
F05
F06
F07
F08
F09
F10
F11
F12
F13
F14
F15
F16
F17
F18
F19
F20
F21
F22
F23
F24
F25
F26
F27
F28
F29
F30
F31
F32
F33
F34
F35
F36
F37
F38
F39
F40
F41
F42
F43
F44
F45
F46
F47
F48
F49
F50
F51
F52
F53
F54
F55
F56
F57
F58
F59
F60
DATA LENGTH
0/1
0/1
0/1
0/1
0/1
0~127
0~7
0/1
0/1
0/1
0/1
0/1
0~7
0~7
0~7
0~7
0~7
0~7
0~7
0~7
0~7
0~7
0~7
-31~0~+31
-31~0~+31
-31~0~+31
-31~0~+31
-31~0~+31
-31~0~+31
-31~0~+31
-31~0~+31
-31~0~+31
-31~0~+31
-31~0~+31
-31~0~+31
-63~0~+63
-63~0~+63
-63~0~+63
-63~0~+63
-63~0~+63
-63~0~+63
-63~0~+63
0~3
0~3
0~3
0~3
0~3
0/1
0/1
0/1
0/1
0~3
0~15
0/1
0/1
0~7
0~7
0~7
0~15
0~15
INITIAL
DATA
0
0
0
0
0
95
4
0
0
0
0
1
5
5
7
5
5
6
6
7
6
6
6
+10
0
+9
-8
-7
0
+5
0
0
-5
0
0
0
0
0
+8
-10
-3
+13
2
2
2
2
2
0
1
0
0
0
10
0
0
2
4
4
6
14
SET UP
(DEC)
0
0
0
0
0
95
4
0
0
0
0
1
5
5
7
5
5
6
6
7
6
6
6
0
0
+9
-8
-7
0
+1
0
0
-5
0
0
-3
-5
0
0
-9
-6
+8
2
2
2
2
2
0
1
0
0
0
10
0
0
2
4
4
6
14
VD2 & VD1-VERT SYNC DETECT MIN WIDTH
MSB & LSB RESPECTIVELY, AS-TV/AV/YUV
SWICH & CHCHANGE, FBP-FLYBACK PULSE
SLICE LEVEL (YUV)
COLOUR DIFF. INPUT PHASE ADJ
COLOUR DIFF. INPUT PHASE ADJ
SECAM COLOUR KILLER SENSITIVITY (TV)
INTERNAL SECAM BGP TIMING
INHIBIT 50Hz NTSC 4.43
TELETEXT HORIZONTAL POSITION
TELETEXT VERTICAL POSITION
OSD POSITION
CHARGE PUMP
SURROUND MODE SELECT
SUB BASS CONTROL
SUB TREBLE CONTROL
AGC LEVEL ADJUST
NICAM AGC SWICH OFF
NICAM AGC GAIN ADJUST
FM LEVEL ADJUST
IGR LEVEL ADJUST
NICAM B/G LEVEL ADJUST
NICAM I LEVEL ADJUST
NICAM D/K LEVEL ADJUST
NICAM LOWER ERROR LIMIT
NICAM UPPER ERROR LIMIT
IGR GAIN ADJUST
FM SOUND IDENTIFICATION MODE
NICAM AUTO DETECTION
SECAM COLOUR KILLER SENSITIVITY
(AV/YUV)
MSB OF HORIZONTAL AFC GAIN1 (TV)
MSB OF HORIZONTAL AFC GAIN1 (AV)
MSB OF HORIZONTAL AFC GAIN1 (YUV)
CONTRAST (PICTURE LEVEL) CONTROL
TAKEOFF/BPF OF CHROMA BPFPROCESSING
TV
TAKEOFF/BPF OF CHROMA BPFPROCESSING
AV
TAKEOFF/BPF OF CHROMA BPFPROCESSING
YUV
CHROMA MODULATION ANGLE
PICTURE BLACK LEVEL (BRIGHT) CONTROL-
AC FAILURE
FORCED SECAM COLOUR KILLER
SENSITIVITY(TV)
FORCED SECAM COLOUR KILLER
SENSITIVITY(AV/YUV)
COLOUR EDGE IMPROVEMENT
VIDEO DEMUTE DELAY
SOUND DEMUTE DELAY
S-BOOSTER FREQ. CHARACTERISTIC
CONTROL
S-BOOSTER LEVEL1
S-BOOSTER LEVEL2
S-BOOSTER LEVEL3
S-BOOSTER LEVEL4
S-BOOSTER LEVEL5
S-BOOSTER LEVEL6
S-BOOSTER START POINT
S-BOOSTER STOP POINT
S-BOOSTER STEP
CONTRAST/BRIGHTNESS INCREASE
GRADUALLY
S-BOOSTER BASS LIMITER (WHEN
S-BOOSTER ON)
S-BOOSTER TREBLE LIMITER (WHEN
S-BOOSTER ON)
S-BOOSTER BASS LIMITER (WHEN
S-BOOSTER OFF)
S-BOOSTER TREBLE LIMITER (WHEN
S-BOOSTER OFF)
OSD
F61
F62
F63
F64
F65
F66
F67
F68
F69
F70
F71
F72
F73
F74
F75
F76
F77
F78
F79
F80
F81
F82
F83
F84
F85
F86
F87
F88
F89
F90
F91
F92
F93
F94
F95
F96
F97
F98
F99
F100
F101
F102
F103
F104
F105
F106
F107
F108
F109
F110
F111
F112
F113
F114
F115
F116
SET UP
(DEC)
14
0
0
1
0
0
30
34
9
1
0
6
0
3
1
16
0
+1
-2
+3
-1
35
70
0
1
0
1
0
3
3
0
1
0
0
1
255
2
2
1
25
40
70
150
156
163
165
170
180
21
60
7
1
+15
+15
+30
+30
SETTING MODE (SECOND STAGE)
EEPROM ITEMS FUNCTION
SETTING MODE (SECOND STAGE)
EEPROM ITEMS FUNCTION
6
6-2
6-1
PRESS MENU KEY (x1) IN SERVICE MODE , LIST BELOW WILL APPEAR

PRESS MENU (x2) IN SERVICE MODE, LIST BELOW WILL APPEAR
CHECK MODE (THIRD STAGE)
INFO
SVL1 ** ***
SVL2 ** ***
SVL3 ** ***
SVL4 ** ***
MICON : ZZ CHK1 : ACT
SOFT : 0.79 CHK2 : NO
INITIAL
DATA
0
0
0
255
127
255
127
0
1
0
0
0
0
0
0
0
0
2
0
0
8
8
0
+7
SET UP
(DEC)
0
0
0
255
127
255
127
0
1
0
0
0
0
0
+3
-8
0
2
-7
-23
8
8
0
+7
V-STD-TV
V-STD-AV
V-STD-YUV
WO-BRI-AFT-WO-TIME
WO-CONT-AFT-WO-TIME
WO-BRI-BEF-WO-TIME
WO-CONT-BEF-WO-TIME
WO-TIME
A2-ID-RESPONSE
R-DRI YUV OFFSET
B-DRI YUV OFFSET
R-CUT YUV OFF-SET
G-CUT YUV OFF-SET
B-CUT YUV OFF-SET
CON YUV OFFSET
BRT YUV OFFSET
SHP ANT-ONII OFFSET
WAIT MD TIME
CONT-OFFSET
BRI-OFFSET
CR-PEDESTEL-ADJ
CB-PEDESTEL-SDJ
SIF-PAL
AV2-BRIGHT-OFFSET
OSD
F117
F118
F119
F120
F121
F122
F123
F124
F125
F126
F127
F128
F129
F130
F131
F132
F133
F134
F135
F136
F137
F138
F139
F140
DATA LENGTH
0/1
0/1
0/1
0~255
0~127
0~255
0~127
0~31
0/1
-63~0~+63
-63~0~+63
-63~0~+63
-63~0~+63
-63~0~+63
-63~0~+63
-63~0~+63
-31~0~+31
0~4
-63~0~+63
-63~0~+63
0~15
0~15
0/1
-15~0~+15
SETTING MODE (SECOND STAGE)
EEPROM ITEMS FUNCTION
OSD
O01
O02
O03
O04
O05
O06
O07
O08
O09
O10
O11
O12
O13
O14
O15
O16
O17
O18
O19
O20
O21
O22
O23
O24
O25
O26
O27
O28
O29
O30
DATA LENGTH
0/1
0~99
0~60
0/1
0/1
0/1
0/1
0/1
1~15
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
1~255
1~5
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
INITIAL
DATA
0
--
--
1
1
1
1
0
15
1
1
1
1
0
0
0
0
63
3
0
0
0
0
0
1
0
0
0
0
0
SET UP
(DEC)
0
--
--
1
0
0
0
0
1
1
1
1
1
0
0
0
1
65
3
0
0
0
0
0
0
0
0
0
0
1
OPTION MODE (FOURTH STAGE)
EEPROM ITEMS
***HOTAL MODE
***HTL-POS
***HTL-VOL
VIF
SECAM
N443(RF)
N358(RF)
FORCE-COL
S-SYS
AV
AV2
YUV
S-CTRL
NICAM
A2
TELETEXT
BILLINGUAL
LANGUAGE
SEARCH-SPEED
R/C-MENU
LED-CONT
S-BOOSTER
SHARP-LOGO
YUV BKGD ADJ
WHITE BACK
BOOSTER
MESSAGE
MESSAGE SCROLL TIME
LNA TUNER
ONE CHIP IC
***HOTEL MODE
OPERATION OF HOTEL MODE:
WHEN CHANGE SERVICE DATA O01 TO 1, HOTEL MODE IS ON
WHEN HOTEL MODE IS ON,
1. Max volume data is determined by option setting HTL-VOL (O03)
2. Channel position after POWER ON is determined by option setting HOTEL-POS (O02) (if option
setting HOTEL-POS is on set, processing is according to last position data).
3. User data updates of EEPROM regarding the video and audio control is not allowed.
4. Preset mode is disable.
5. CH SETTING menu is not available.
PRESS MENU (x3) IN SERVICE MODE, LIST BELOW WILL APPEAR
7
7-2
7-1

ADJUSTMENT PRECAUTION:
Make sure TV Set is in “Normal Condition” before witch to service mode for adjustment.
PIF ADJUSTMENT
No.
1
2
Adjusting point
Tuner IFT
(PRESET)
RF-AGC
TAKE OVER
POINT
ADJUSTMENT
(I2C BUS
CONTROL)
(AUTO &
MANUAL ADJ)
Get the tuner ready to receive the CH. - 9
signal, but with no signal input.
Adjust the PLL data.
Connect the sweep genertor’s output cable to
the tuner antenna. (RF SWEEP)
Adjust the sweep genertor’s to 80dBµV.
Connect the response lead (use LOW IMPEDANCE
probe with wave detector. (This terminal must
have the probe alone connected).
Set the RF AGC to 0 - 6 V with no saturation with
the waveform.
Adjust the tuner IF coil to obtain the wavefrom as
show in Fig. 2.
NOTE: Be sure to keep the tuner cover in posi-
tion during this adjustment.
Receive “PAL COLOUR BAR” signal.
Signal Strength: 56 1 dBµV (75 ohm open)
Connect the oscilloscope to TP201 (Tuner’s
AGCTerminal) as show in Fig. 3.
Call “V01” mode in service mode. Adjust the “V01”
bus data to obtain the Tuner output pin drop
0.1~1.0V below maximum voltage.
Change the antenna input signal to 63~67dBµV,
and make sure there is no noise.
Turn up the input signal to 90~95 dBµV to be sure
that there is no cross modulation beat.
Wavefrom and others
for Auto ADJ
Receive “PAL COLOUR BAR”
signal.
Signal strength : 56 1 dBµV (75
ohm open)
Go to service mode.
Go to service data V01, press
R/C to operate auto key (Hex
C1) and confirm the ‘OK’
display on the screen.
If appear NG, increase data
some step and pis repeat
step2.
Preceed step 4&5 in manual
mode.
PURITY ADJUSTMENT
No.
1
Adjusting point
PURITY ADJ. Receive the GREEN-ONLY signal. Adjust the
beam current to ~700 µA.
Degauss the CRT enough with the degauss coil.
Note: Follow the Job Instruction Sheet to adjust
the magnetic field.
Vertical Bv: +0.030 mT (0.30 gauss)
Horizontal Bh: +0.20 mT (0.20 gauss)
Maintain the purity magnet at the zero magnetic
field and keep the static convergence roughly
adjusted.
Observe the points a, b, as show in Fig. 1-1
through the microscope. Adjust the landings to A
rank requirement.
Orient the raster rotation to 0 eastward.
Tighten up the deflection coil screws.
Tightening torque: 108 20 N (11 2 kgf)
Make sure the CRT corners landing meet the A rank
requirements. If not, stick the magnet sheet
to correct it.
Note: This adjustment must be done after
warming up the unit for 30 minutes or
longer with a beam current over 700 µµ
µµ
µA.
Note: Set to service mode by remote con-
troller then press factory process R/C
RGB key to change to RGB mono col-
our mode.
* For the following colour press R/C RGB(Hex 7E)
key to change.
Wavefrom and others
* Press R/C RGB key for 1 sec-
ond in NORMAL MODE, the
colour will change to RGB
mono colour mode.
Signal-colour
screen cleared
GREEN
ONLY BLUE ONLY RED ONLY
E-9 CH
PC
-1.5+/-0.8dB
10k
100k
1n60
75ohm
IF OUT
1000p
1000p
Oscilloscope
Fig. 2
Fig. 1
1.
2.
3.
4.
5
6.
Adjusting procedure/conditions
1.
2.
3.
4.
5
Bias box: About 4.5 V
Oscilloscope
0.1V
TV Set
Bias box
TP201+
+
—
—
Fig. 3
1.
2.
3.
4.
1.
2.
3.
4.
5
6.
7.
Adjusting procedure/conditions
ab
30mm 30mm
A
B
A=B
A
B
A=B
Fig. 1-1
Fig. 1-2
Rank “A”
(on the right of the CRT)
Fig. 1-3
Rank “A”
(on the left of the CRT)
8
8-2
8-1
+
_
+
_
+
_+
_

CONVERGENCE ADJUSTMENT
No.
1
Adjusting point
CONVERGENC
ADJ.
(To be done
after the purity
adjustment.
1. Receive the “Crosshatch Pattem” signal.
2. Using the remote controller, call NORMAL mode.
Static convergence
Turn the 4-pole magnet to a proper opening angle
in order to superpose the blue and red colours.
Turn the 6-pole magnet to a proper opening angle
in order to superpose the green colour over the
blue and red colours.
Dynamic convergence
Adjust the convergenc on the fringes of the screen
in the following steps.
a) Fig. a: Driver the wedge at point “a” and swing
the deflection coil upward.
b) Fig. b: Drive the wedge at point “b” and “c” and
swing the deflection coil downmard.
c) Fig: c: Drive the the “c” wedge deeper and swing
the deflection coil rightward.
d) Fig. d: Drive the “b” wedge deeper and swing
the deflection coil leftward.
Fix all the wedges on the CRT and apply glass
tape over them.
Apply lacquer to the deflection yoke lock screw,
magnet unit (purity, 4-pole, 6-pole magnets) and
magnet unit lock screw.
Finally received the Red-only and Blue-only signals
to make sure there is no other colours on the
screen.
Wavefrom and others
H-VCO, VIF-VCO & S-TRAP for ADJUSTMENT
No.
1
2
3
Adjusting point
H-VCO ADJ
(I2C BUS
CONTROL)
(AUTO &
MANUAL ADJ)
VIF-VCO ADJ
(I2C BUS
CONTROL)
(AUTO &
MANUAL ADJ)
S-TRAP fo
ADJ
(I2C BUS
CONTROL)
(AUTO &
MANUAL ADJ)
Adjusting procedure/conditions
(MANUAL ADJ)
In No signal (RASTER) condition.
Go to service mode, choose service data V03.
Connect oscilloscope to IC801 pin11, adj V03 until
freq become 15.625 0.15 KHz
(AUTO ADJ)
In No signal (RASTER) condition.
Go to service mode.
Choose service data V03, by pressing R/C Auto
(Hex C1) key, OSD will appear “OK” at screen.
If appear “NG” pls repeat step 3.
(MANUAL ADJ)
In No signal (RASTER) condition.
Go to service mode, choose service data V02.
Connect oscilloscope to IC801 pin2, adj V02 until
voltage become 2.5 1V.
(AUTO ADJ)
In No signal (RASTER) condition.
Go to service mode, choose service data V02.
Press the R/C Auto (Hex C1) key, OSD will appear
“OK” at screen.
If appear “NG” pls repeat step 3.
(Manual ADJ)
In No signal (RASTER) condition.
Go to service mode, choose service data V21.
Connect oscilloscope to TP 801, adj V21 until
voltage become Min (below 5 V).
After that pls adj service data V20 & V24 same as
“V21”, V22 to “V21-1”, V23 to V21+2”.
(Auto Adj)
In No signal (RASTER) condition.
Go to service mode, choose service data V21.
Press the R/C Auto (Hex C1) key, OSD will appear
“OK” at screen.
If appear “NG” pls repeat step 3.
Wavefrom and others
This adjustment must be done
after aging at least 3 minutes.
9
9-2
9-1
Adjusting procedure/conditions
1.
2.
1.
2.
3.
4-pole magnet
6-pole magnet
CRT neck
20mm
Lacquer
Purity magnet
RGB
BGR
R
G
B
R
G
B
B
G
R
B
G
R
RGB
BGR
Lacquer
Wedge "a"
Wedge
"b" Wedge
"c"
About
100Deg
About
100Deg
Fig. a
Fig. b
Fig. c
Fig. d
1.
2.
3.
1.
2.
3.
4.
1.
2.
3.
1.
2.
3.
4.
1.
2.
3.
4.
1.
2.
3.
4.
+
_
+
_

SCREEN, WHITE BALANCE, SUB-BRIGHTNESS & SUB-CONTRST ADJUSTMENT
No.
1
2
3.
In window pattem signal condition.
Go to service mode, then select V00.
By pressing R/C key S-Mute (Hex E8), R-D
auto switch to 63, B-D auto switch to 63, R-C
auto switch to 127, G-C auto switch to 127,
B-C auto switch to 127, Sub-brightness
V06 auto switch to 127. Y-mute & Vertical off,
screen will be invertical cut-off condition.
Adjust the Screen so that cut-off line appear
in low bright, then judge that whether the
cut-off the appear in Red or Green or Blue
color, in this condition between R-C & G-C
& B-C, fix the data of the color appear in
cut-off line and adj the other two cut-off data
(Note 1) so that cut-off line color become
white.
Turn the screen VR of FBT so that cut-off line
just disappear and use R/C by pressing key
S-Mute (Hex E8) to disable the Y-mute &
V-cut so that picture appear in normal mode.
WHITE (HIGHT BEAM) (In Window Pattern Signal)
First use Minolta Color Analyzer CA100, let the
gun point at Dark White position (as drawing
attach), Adj V06 until LUMINANCE Y become
5 cd/m2, then let the gun point at White
position (as drawing attach), Adj V04 until
LUMINANCE Y become: 200 cd/m2.
Adj the R-D & B-D until the axis of color
temperature become
X=300, Y=310 7500K
DARK WHITE (LOW BEAM) (In Window Pattern
Signal)
Let the gun point at Dark White position, if the
color temperature data shift away from the
data adjusted in step 1, adjust R-C, G-C &
B-C but between them, first color appears in
screen adj item 1) -4 is fixed, adj the other
two so that to obtain the similar axis as above
** Repeat step 1 & 2 to get a regulated
position.
In Window Pattern Signal condition.
Using Minolta Color Analyzer CA-100, let the
gun point at Dark White position (as attach
drawing), adjust V06 Bus data until LUMINANCE
Y = 3 0.5 cd/m2.
Wavefrom and others
Adjusting point
SCREEN
ADJUSTMENT
(I2C BUS
CONTROL)
WHITE BAL-
ANCE ADJ
(to be done
after screen
adj)
(I2C BUS
CONTROL)
SUB-
BRIGHTNESS
(to be done
after screen,
white balance
adj)
(I2C BUS
CONTROL)
SignalusingW/B Pattern Generator
SX-1006 (IWATSU) or equivalent.
Window Pattern Signal outputlevel
are asabove:
10
10-2
10-1
Adjusting procedure/conditions
1.
2.
3.
4.
5.
1.
2.
1.
2.
R-CUTOFF (R-C)UP
R-CUTOFF (R-C)DOWN
G-CUTOFF (G-C)UP
G-CUTOFF (G-C)DOWN
B-CUTOFF (B-C)UP
B-CUTOFF (B-C)DOWN
R-DRIVE (R-D)UP
R-DRIVE (R-D)DOWN
B-DRIVE (B-D)UP
B-DRIVE (B-D)DOWN
RC key “1” (HEX 80)
RC key “4” (HEX 20)
RC key “2” (HEX 40)
RC key “5” (HEX A0)
RC key “3” (HEX C0)
RC key “6” (HEX 60)
RC key “7” (HEX E0)
RC key “Flashback” (HEX E4)
RC key “8” (HEX 10)
RC key “0” (HEX 50)
Dark WhiteWhite 9.5% IRE
50% IRE
5.5% IRE
*Note:
Dark White
WINDOW PATTERN SIGNAL
In Window Pattern Signal condition.
Using Minolta Color Analyzer CA-100, let the gun
point at White position (as attach drawing), adjust
V04 Bus data until LUMINANCE Y= 200 10cd/m2.
Recive the “Monoscope Pattern” signal.
Press R/C to set Picture Normal condition.
Connect the DC miliammeter between TP 603
(+) & TP 602 (-).
(Full Scale: 3mA Range)
Beam current must be within 1000 100 µA.
Receive Monoscope Pattern Signal (PAL 50 Hz)
Choose the service data V13.
Adjust the V13 bus data to have a balance position
to spec of A=B (as attach drawing)
If cannot make it to A=B, adjust from the best point
so that b slightly smaller than A.
Recceive Monoscope Pattern Signal (PAL 50 Hz)
Choose the service data V12.
Adjust V12 bus data to have a most acceptable
vertical position, the monoscope pattern should
be Balance in vertical position.
Note: B line (Monoscope middle line) must same
or nearest higher position to the A mark
(Tube middle mark), refer to the attach
drawing.
Receive Monoscope Pattern Signal (PAL 50 Hz)
Choose the service data V11.
Adjust V11 bus data until the overscan become
10 1.5%
Confirm Service data V08 is 43.
Receive the “Monoscope Pattern” signal.
Press R/C to set Picture NORMAL condition.
Adjust the focus control to get the best focusing.
Wavefrom and others
No.
4
5
No.
1
2.
3.
4.
5.
Adjusting point
SUB-
CONTRAST
(to be done after
screen, white
balance adj,
sub-brightness
adj)
(I2C BUS
CONTROL)
Beam Current
Check
Adjusting point
H-SHIFT
(I2C BUS
CONTROL)
(to be done after
purity adj)
V-SHIFT
(I2C BUS
CONTROL)
(to be done after
purity adj)
V-SIZE
(I2C BUS
CONTROL)
(to be done after
purity, V-shift
adj)
SUB-
SHARPNESS
Focus
Adjusting procedure/conditions
1.
2.
1.
2.
3.
4.
1.
2.
3.
4
1.
2.
3.
1.
2.
3.
1.
1.
2.
3.
White
WINDOW PATTERN SIGNAL
HORIZONTAL, VERTICAL, DEFLECTION LOOP and FOCUS ADJUSTMENT
Wavefrom and others
Adjusting procedure/conditions
Caution1: Pls aging TV more than 10 minutes
before adjustment.
Caution2: for H-shift & V-shift & V-size adj, after
adj pls switch to Monoscope pattern
signal (NTSC 60 Hz) to confirm all
position are the same.
AB
AB
OK OK NG
Figure:
+
_
+
_
+
_
+
_

A/V INPUT, OUTPUT & COMPONENT IN CHECKING
Receive the “PAL Colour Bar” signal (100%White
Colour Bar, Sound 400Hz 100% Mod.)
Terminate the Video output with a 75 ohm impedance.
Make sure the output is as specified (1.0 Vp-p 3dB).
Terminate the Audio output with a 10K ohm
impedance. Make sure the O/P is as specified
(1.5 Vp-p 3dB).
Using the TV/VIDEO key on the remote controller,
make sure that the modes change in order of TV,
AV1, AV2 & TV again and the video & audio output
are according to the input terminal for each mode.
Using the TV/AV key on the remote controller, make
sure that the modes change in order of TV, AV & TV
again and the video & audio output are according to
the input terminal for each mode. If connect input to
front and rear AV terminal, input terminal of front AV
will be selected.
Connect YUV & Audio signal to Component In terminal
and Audio terminal.
Using the TV/VEDIO key on the remote controller,
press it until the modes change to COMPONENT,
confirm output is appear.
Wavefrom and others
Adjusting point
VIDEO AND
AUDIO OUTPUT
CHECK
VIDEO AND
AUDIO INPUT
CHECK
COMPONENT
IN CHECK
No.
1
2
3
No.
1
NTSC CHROMA ADJUSTMENT
Recive the “NTSC3.58 Colour Bar “ signal thru
AV in.
Connect the osilloscope to B-Amp Transistor Base
(TP853).
nRange :100mV/Div(AC) (User Probe10:1)
nSweep Time : 10 µsec/Div.
In Service mode, go to V07, press R/C Y- mute
(Hex E4) or FLASHBACK Key.
Call the “V07” data in service mode. Adjust the
“V07” bus data to obtain the waveformshown as
Fig. 1-1.
Disable Y-Mute by pressing key(Hex E4) or
FLASHBACK, then clear the SERVICE mode.
Adjusting point
SUB-TINT
(I2C BUS
CONTROL)
Wavefrom and others
Adjusting procedure/conditions
1.
2.
3.
4.
5.
WYCyGMgRB
Fig. 1-1
PAL CHROMA ADJUSTMENT
Recive the “PAL Colour Bar “ signal
Press R/C to set Picture Normal condition.
Connect the osilloscope to R-Amp Transistor Base
(TP851).
nRange :100mV/Div(AC) (User Probe10:1)
nSweep Time : 10 µsec/Div.
Using the R/C call V05 in Service mode. Adjust V05
bus data, so that the 75% White & Red portions of
PAL Colour Bar be at the same level shown as
Fig 1-1.
Clear the Service mode.
Adjusting point
SUB-COLOUR
(I2C BUS
CONTROL)
(to be done after
sub-picture,
sub tint adj)
Wavefrom and others
Adjusting procedure/conditions
1.
2.
3.
4.
5. Fig. 1-1
No.
1
Cy G B
WY 100% W Mg R
75%
No.
1
2
3
PROTECTOR OPERATION CHECKING
Receive “Monoscope Pattern” signal.
Set CONTRAST MAX.
Set BRIGHT MAX.
During the Collector & Emitter of Q853/4/5 short,
make sure the protector ON and switch to standby
mode.
Receive “Monoscope Pattern” signal.
Connect output of Bias Box to D602 cathode
(C602 positive).
Set voltage of Bias Box to 18V and make sure
the protector is not working.
Set voltage of Bias Box to 27V, and make sure
the protector is working.
Once finish rectified Electrolytic Capacitor short
testing in +B line, check all possible damaged
components on +B line.
(Use random selected set for inspection)
Wavefrom and othersAdjusting point
BEAM
PROTECTOR
H, V PROTECTOR
OTHER
PROTECTOR
Adjusting procedure/conditions
1.
2.
3.
4.
1.
2.
3.
4.
1.
Adjusting procedure/conditions
1.
2.
3.
1.
1.
1.
2.
+
_
+
_
FUNCTION OPERATION CHECKING (VIDEO AND AUDIO)
No.
1
2
3
4
5
Adjusting point
CONTRAST key
COLOUR key
BRIGHTNESS key
TINT key
SHARPNESS
key
Receive “Monoscope Pattern” signal.
Set MENU, then go into PICTURE mode to select
CONTRAST.
Press Volume UP/Down key to check whether the
CONTRAST effect is OK or not.
Receive “Colour Bar” signal.
Set MENU, then go into PICTURE mode to select
COLOUR.
Press Volume UP/Down key to check whether the
COLOUR effect is OK or not.
Receive “Monoscope Pattern” signal.
Set MENU, then go into PICTURE mode to select
BRIGHTNESS.
Press Volume UP/Down key to check whether the
BRIGHTNESS effect is OK or not.
Receive “NTSC Colour Bar” signal thru AV in.
Set MENU, then go into PICTURE mode to select
TINT.
Press Volume UP/Down key to check TINT, UP
for GREEN direction and DOWN for PURPLE
direction whether is OK or not.
Receive “Monoscope Pattern” signal.
Set MENU, then go into PICTURE mode to select
SHARPNESS.
Press Volume UP/Down key to check whether the
SHARPNESS effect is OK or not.
Wavefrom and others
Adjusting procedure/conditions
1.
2.
3.
1.
2.
3.
1.
2.
3.
1.
2.
3.
1.
2.
3.
11
11-2
11-1
*Select one of Q853/4/5 to do each
short.

No.
6
7
8
9
10
11
12
13
Adjusting point
CH DISPLAY
COLOUR
NORMAL key
WHITE TEMP
COLOUR
SYSTEM
SURROUND
TREBLE
BASS
BALANCE
All Ch (1~99) will have an OSD display of the
channel number in green colour under AFT ON
ondition.
Once in PICTURE or SOUND Mode, and the
NORMAL key is pressed, all the settings will be
preset to normal setting accordingly.
(Normal setting value for every mode)
Receive “Monoscope Pattern” signal.
Set MENU, then go into PICTURE mode to select
WHITE TEMP.
Press Volume Up/Down key to check WHITE
TEMP function The back ground will change to
(shift right) bluish and (shift left) reddish.
Receive the “PAL COLOUR BAR” signal, press
MENU, choose CH-SETTING to select COLOUR
mode except PAL, check the COLOUR is not
working properly. Then, sclect the “PAL” mode.
Check again its colour so that it is working properly.
Receive “NTSC 3.58/4.43 COLOUR BAR” signal
thru AV, press MENU, choose CH-SETTING to
select COLOUR modes except N3.58/4.43,
check the COLOUR is not working properly.Then,
select the N3.58/4.43 mode. Check again its
colour so that it is working properly.
Receive “music” sound signal.
Set MENU, then go into SOUND MENU to select
SURROUND.
Press Volume UP/DOWN key to check SURROUND
I, II and OFF effect.
Receive “music” sound signal.
Set MENU, then go into SOUND MENU to select
TREBLE.
Press Volume UP/DOWN key to check whether
the TREBLE effect is OK or not.
Receive “music” sound signal.
Set MENU, then go into SOUND MENU to select
BASS.
Press Volume UP/DOWN key to check whether
the BASS effect is OK or not.
Receive mono-tone signal.
Set MENU, then go into SOUND MENU to select
BALANCE.
Press Volume UP/DOWN key to check whether
the left to right BALANCE effect is OK or not.
Wavefrom and others
In NORMAL Mode, when press
NORMAL key, will appear
NORMAL OSD and all setting
PICTURE, SOUND functions
set to NORMAL.
No.
14
15
16
No.
1
Adjusting point
SOUND SYSTEM
NOISE MUTE
CHECKING
OSD LANGUAGE
QUANTITY
CHECK
Adjusting point
HEADPHONE
OUTPUT
CHECKING
Receive “PAL-B/G” signal, press MENU, choose
CH-SETTING to make sure there is NO sound system
selection and check the sound output is working
properly.
Receive “PAL COLOUR BAR” signal.
Turn UP the volume control to maximum, make sure
the sound is head from the speakers. Turn put the
until in no signal state.
Check the sound mute is effective.
Finally turn sound level of CTV to minimum.
Check OSD LANGUAGE quantity and type for respect
model.
Receive PAL COLOUR BAR with SOUND 400Hz,
100% MODULATION ( 50KHz Dev).
Maximum volume, and ckeck the headphone
output with 400Hz sound and no sound output
from speaker.
Wavefrom and others
Adjusting procedure/conditions
1.
1.
1.
2.
3.
1.
2.
1.
2.
3.
1.
2.
3.
1.
2.
3.
1.
2.
3.
: MAX
: CENTER
: CENTER
: CENTER
: CENTER
: CENTER
PICTURE MENU
CONTRAST
COLOUR
BRIGHTNESS
TINT
SHARPNESS
WHITE TEMP
SOUND MENU
SURROUND : OFF
TREBLE : CENTER
BASS : CENTER
BALANCE : CENTER
Adjusting procedure/conditions
1.
2.
1.
2.
3.
4.
1.
1.
2.
QUANTITY ENGLISH THAI
2OO
SHOCK TEST CHECKING
Hit at the top of TV set for two time.
Check TV set not damage and TV operation operate
correctly.
Receive bilingual channel.
Press R/C “MPX” button, and the sound will change
SOUND1 to SOUND2.
Wavefrom and others
Adjusting point
SHOCK TEST
Adjusting point
BILINGUAL
FUNCTION
CHECKING
BILINGUAL CHECKING
Wavefrom and others
No.
1
No.
1
Adjusting procedure/conditions
1.
2.
1.
2.
Adjusting procedure/conditions
HEADPHONE JACK CHECKING
Adjusting procedure/conditions Wavefrom and others
12
12-2
12-1
+
_

TROUBLE SHOOTING FLOWCHART TROUBLE SHOOTING FLOWCHAT (Continued)
NO RASTER
Blown out.
Replace the fuse.
Check IC701, D701 and
C705.
The fuse is blown out again.
Does horizontal circuit
oscillate ?
Check T701 pin (17) voltage
(Approx. 310V at 220V AC)
Check F701.
Check Secondary Main+B
(Approx. 125V)
Check CRT connector K-
wire and the signal on it.
Check Q601 and Q602.
Check 185V
Bias on
CRT board.
Check
IC801.
Checking the
protector circuit.
Check Q752 for 8V regulator
circuit and Q751, Q754 for
5V regulator circuit.
Check D751, IC702 and IC703.
Check NR701.
NO PICTURE, NO SOUND
No snow noise.
Does noise or signal appear at pin (41)
of IC801 ?
Noise increases but no signal is
received.
Check the tuner supply voltage LB must
approx. 5V. BT must be approx. 33V.
And check the CH preset data.
Check the tuner AGC at
TP201.
Does noise or
signal appear at
pin (58) of IC801 ?
Check IC801 and
related circuit.
Check IC401 and
related circuit.
Check pin (1) of
SF201, Tuner and
related circuit. Check pin (60) at
IC801 and related
circuit.
Check pin (59) of
IC801, Tuner and
related circuit.
Check pin(58) of
IC801.
Does the noise level increase at max.
Contrast, Brightness and Sound controls ?
CIRCUITS TO BE CHECKED:
»Tuner.
»PIF.
»Automatic Gain Control.
»(5V), (32V) Power Source.
Does noise or
signal appear at
pin (63) and (64)
of IC801 ?
Does signal appear at pins
(10) and (23) of IC3501 ?
NO SOUND
CIRCUITS TO BE CHECKED:
»Sound Detector Circuit.
»Sound Switch and Att.
Control.
»Audio Output Circuit.
Does signal appear at pins
(6) and (8) of IC301 ?
Check TV sound from pin (54)
of IC801.
Check Speaker.
Check IC301 and
peripheral circuit.
13
13-2
13-1

TROUBLE SHOOTING FLOWCHART (Continued) TROUBLE SHOOTING FLOWCHART (Continued)
NEITHER VERTICAL NOR
HORIZONTAL SYNCHRONIZATION
CIRCUIT TO BE CHECKED:
»Sync. Separator Circuit.
Check pins(5), (6), (10) and
(11) of IC801.
Vertical linearity and size are
abnormal.
DEFECTIVE VERTICAL AMP.
AND VERTICAL LINEARITY
Re-adjust vertical size.
(Bus Data)
Check R503, R506, R513,
R520 and C515.
NO VERTICAL SCAN
Check IC501.
Check C511.
Check IC501 bias.
NO SPECIFIC COLOUR
Is some colour produced in
B/W broadcast reception ?
Is the white balance properly
adjusted ?
Re-adjust the white balance.
The picture colour is yellow.The picture colour is magenta.The picture colour is cyan.
Check Q855 and its adjacent
circuits. Check Q854 and its adjacent circuits. Check Q853 and its adjacent circuits.
Check IC801.
14
14-2
14-1

8 5
14
AT24W08
CATHODE
ANODE
A2
EX1393C
42
IXB225WJZZ
22
21
SHARP
IXB225W
30 16
15
NJW1142
CATHODE
ANODE
P1
EX0263T
64
13
M1501XN
46
31
IMX1C/C
64
M61266F
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
16 33
48
49
17 32
M61266F
1
2
4
3
PC123
S4
FXA003WJ
COLLECTOR
BASE EMITTER
C3928
COLLECTOR
BASE EMITTER
A1530
46
31
IMZ1A
CATHOD
ANODE (RED)
PX0013
17
AN15525
+~ ~ _
DX0476CE
12
12
ECB
2SC3198
ECB
2SD468-C
2SC2235
GND
COLLECTOR
Vout
SE125N AN17820B
ECB
TT2140
LOTNo.
TT2140
123
PQ09RDA
14
DX0452CE
CATHOD ANODE
STRW6753
17
2SC3789
ECB
C3789
1
1
1
1
SOLID STATE DEVICE BASE DIAGRAM
TOP VIEW
15
SIDE VIEW

WAVE FROMS
16
ServiceManual
1) 0.976 Vp-p
Horiz. Rate 2) 4.520 Vp-p Horiz. Rate 3) 4.760 Vp-p Horiz. Rate 4) 4.360 Vp-p Horiz. Rate 5) 6.12 Vp-p Horiz. Rate
6) 6.24 Vp-p
Horiz. Rate 7) 1.80 Vp-p Vert. Rate 8) 1.76 Vp-p Vert. Rate 9) 5.63 Vp-p Horiz. Rate 10) 51.6 Vp-p Horiz. Rate
11) 1040 Vp-p
Horiz. Rate 12) 53.6 Vp-p Vert. Rate 13) 4.8 Vp-p Vert. Rate 14) 126 Vp-p Horiz. Rate 15) 508 Vp-p
16) 5.28 Vp-p
Horiz. Rate 17) 5.36 Vp-p Vert. Rate 18) 88.8 Vp-p Horiz. Rate 19) 96.8 Vp-p Horiz. Rate 20) 99.2 Vp-p Horiz. Rate

CHASSIS LAYOUT
17
A
C
B
D
E
F
G
H
1234567891
0

BLOCK DIAGRAM
PWB A : MAIN UNIT
18

19
PWB B : CRT UNIT
A
C
B
D
1234567891
0
A
C
B
D
1234567891
0
PWB C : HEADPHONE UNIT

20
PWB E : SOUND CONTROL UNIT
A
C
B
D
E
F
G
H
1234567891
0