3. FOR FACTORY MENU ADJUSTMENT SEE CHART5~CHART11…………………….5
4. GENERAL DESCRIPTION OF THE SDA 9380-B21……………………………………10
5. INTRODUCTION OF THE VPC 3230D………………………………………………..12
6. INTRODUCTION OF THE MSP 3425G…………………………………………………14
7. GENERAL DESCRIPTION OF THE PW1235…………………………………………15
8. GENERAL DESCRIPTION OF THE TDA6111Q………………………………………18
WIRING DIAGRAM……………………………………………………………………….20
BLOCK DIAGRAM………………………………………………………………………...21
SCHEMATIC DIAGRAM………………………………………………………………….22
ELECTRICAL PARTS LIST………………………………………………………………27
0
CAUTION: THIS SERVICE MANUAL IS ONLY FOR PROFESSIONAL SERVICE PERSONNEL’S
REFERENCE. BEFORE SERVICING THIS CHASSIS, PLEASE READ THE
FOLLOWING NOTICE ITEMS.
1. INSTRUCTION
Before servicing and aligning this equipment, please read the following “X-RAY RADIATION
PRECAUTION” ,“SAFETY PRECAUTION” and “PRODUCT SAFETY NOTICE”.
1.1 X-RAY RADIATION PRECAUTION
Excessive high voltage can produce potentially hazardous X-RAY RADIATION. To avoid such
1
hazards, the high voltage must not be above the specified limit. The normal value of the high
voltage of this receiver see below chart:
Chart 1 High voltage requirement
T2751
T3251
Model
High voltage normal
value
30 kV
30 kV
1 kV
1 kV
Utmost value Beam current
35 kV 1.6 mA
35 kV 1.6 mA
Each time a receiver requires servicing, the high voltage should be checked following the HIGH
2
VOLTAGE CHECK procedure in this manual. It is recommended the reading of the high voltage
be recorded as a part of service record. It is important to use an accurate and reliable high voltage
meter.
* When checking, main power (B+) should be kept at 135 V (for Toshiba pure flat CRT).
The primary source of X-RAY RADIATION in this TV receiver is the picture tube. For continuous
3
X-RAY RADIATION protection, the replacement tube must be exactly the same type tube as
specified in the parts list.
Some parts in this receiver have special safety-related characteristics for X-RAY RADIATION
4
protection. For continuous safety, parts replacement should be undertaken only after referring to
the PRODUCT SAFETY NOTICE below.
1.2 SAFETY PRECAUTION
WARNING:
Service should not be attempted by anyone unfamiliar with the necessary precaution on this receiver.
The following are the necessary precautions to be observed before servicing this chassis.
1) Since the power supply circuit of this receiver is directly connected to the AC power line, an
isolation transformer should be used during any dynamic service to avoid possible shock hazard.
2) Always discharge the picture tube anode to the CRT conductive coating before handling the
picture tube. The picture tube is highly evacuated and if broken, glass fragments will be violently
expelled. Use shatter proof goggles and keep picture tube away from the unprotected body while
handling.
1
3) When replacing a chassis in the cabinet, always be certain that all the protective devices are put
back in place, such as: non-metallic control knobs, insulating covers, shields, isolation
resistor-capacitor network etc.
4) When replacing parts or circuit boards, disconnect the power cord.
5) When replacing a high wattage resistor (oxiode metal film resistor) on the circuit board, keep the
resistor 10mm (1/2in) away from circuit board.
6) Connection wires must be kept away from components with high voltage or high temperature.
7) If any fuse in this TV receiver is blown, replace it with the FUSE specified in the chassis parts list.
1.3 PRODUCT SAFETY NOTICE
Many electrical and mechanical parts in the chassis have special safety-related characteristics.
These characteristics are often passed unnoticed by a visual inspection and the X-RAY RADIATION
protection afforded by them cannot necessarily be obtained by using replacement components rated
for higher wattage, etc. Replacement parts which have these special safety characteristics are
identified in this manual and its supplement electrical components having such features are shaded
on the schematic diagram and the parts list.
Before replacing any of these components, read the parts list in this manual carefully. The use of
substitute replacement parts which do not have the same characteristics as specified in the parts list
may create shock, fire, X-RAY RADIATION or other hazards.
1.4 Testing equipment
HDTV signal generator: VG853 or other same type, 1 set.
Signal generator: PM5515 or the same type, 1 set.
Voltameter: FULK805A or the same type, 1 set.
White balance alignment equipment: 1 set
Standard testing jigs: 1 set.
Geometry alignment equipment: 1 set.
Alignment stick: 1 set.
Degaussor: 1 set.
2 Alignment procedure
2.1 Instruction
a) In this chassis since there are a great amount of data needed to be set, these setting all are stored
2
PROM. To reduce the alignment working, use the aligne d E2PROM as a female parent to
in E
copy and then use them. Or refer to appendix chart and preset E
b) To conduct the alignment, the power supply should be AC120 V,60 Hz. The whole unit should be
preheated for 30 minutes.
c) To conduct with color purity, conver gence, white balance alignment or other alignment relative to
color, the CRT should be degaussed thoroughly.
d) Since this chassis adopts modulization structure, before mounting, every module should be
conducted with alignment.
e
The factory menu’s alignment should use XOCECO RC-T03-0A remote control. Press power
switch to turn on the set, in turn press button “SLP-MUTE-AV-MENU” to enter into factory menu.
2
2
PROM value and then use.
Press SLP or 0 button to exit. Press MUTE button to preset before Out-factory.
f) For the supporting mode in this set see below chart 2.
Chart 2 The supporting mode in this set
Working mode Mode instruction H-frequency
Hz
TV TV mode 33.75k 60 Adjust firstly, every item should
1920*1080i/33.75K American HDTV mode 33.75k 60 Horizontal and vertical parameter,
720P*576/45.125K American HDTV mode 33.75k 60 Horizontal and vertical parameter,
640*480i(YCrCb) YcbCr(15.7K,59.97HZ) 33.75k 60 Horizontal and vertical parameter,
640*480p(YPrPb) Progressive
DVD(31.5K,60HZ)
33.75k 60 Horizontal and vertical parameter,
V-frequencyHz Alignment instruction
adjust
white balance
white balance
white balance
white balance
2.2 Alignment procedure
2.2.1 Module alignment
In all the module alignment, use a normal working TV set as an alignment frock, pull the set’s
corresponding module and keep it as an example. Insert the module wanted to be check,
then apply power to alignment.
a) AV board module
AV interface function check: check all the AV input/outputs function, it should meet the Product
Standard requirements.
b) Digital processing board module
No alignment point, apply the power and check whether S-VIDEO, YCbCr, YpbPr input is normal.
c) Main board
No alignment point. Apply the power and measure “B+” voltage, the reading should be 105V,
check there are no assemble error, the OSD,SVM is normal, and it is OK.
2.2.2 Chassis adjustment
Correctly insert all modules and parts, connect CRT board parts to CRT, apply power and
check B+ voltage, the reading should be 105V. (on J332/J305)
2.2.3 The whole unit adjustment
Be sure the whole unit has been preheated for 30 minutes.
a) Focus adjustment
1) In TV mode receive crosshatch signal, at the same time set SVM to OFF.
2) Adjust FOCUS inductance L306 on Dynamic Power Board to make R323 dynamic focus
voltage be 1KV+/-50V.
3) Adjust FOCUS potentiometer on FBT and CRT to make horizontal and vertical grid both
thinnest, and consider horizontal grid mainly.
4) Set SVM to ON, check the whole effect.
b) Dark current (SCREEN voltage) adjustment
In TV mode receive gray scale signal, after entering into factory menu status, press “1” button to
enter into “FACTORY MENU 1” factory menu, first preset WHITE-R, WHITE-G, WHITE-B’s
value all to 0, adjust SCREEN potentiometer to make SCREEN LOCK on the screen lower part
3
display OK and it is OK, at this time, if changing channel, it should not appear flyback line. This
state should also be OK after finish adjusting the white balance. .
c) White balance adjustment
Adjust on the basis of the above step, at standard status use gray scale signal to adjust.
1
Press “1”button to firstly adjust TV input white balance: fix the testing point at about 40 nits gray
scale, then by adjusting WHITE-R,WHITE-G and WHITE-B to make the value meet chart 3’s
requirement.
2
Press “5” button to adjust YpbPr input white balance: use oscilloscope to measure Y signal
output on Digital Processing Board. Adjust G-0 gray scale to make blanking level be even with
black level, adjust G-G to make signal amplitude to be 0.7V and eight level gray scale be even,
then adjust R-G, B-G, R-0, B-0’s value to make white balance meet chart 3’s requirement.
Chart 3: chroma coordinates requirements
Colour temperature 12000K
X coordinate
Y coordinate
0.270
0.283
0.008 MPDC
0.008 MPDC
d) Picture size position and high voltage adjustment
In component mode input 1080I signal
Use crosshatch and electrical circle signal, after entering into factory menu status, press “2”
button to enter into “FACTORY MENU 2” factory menu to adjust picture’s linearity. Adjust
R339 joint point to make the V-center deflection range be within ±5MM(T3251), or
±3MM(T2751).
Change the signal to white background, or gre atly change contrast and brightness, or press
PIC button to switch among several kinds of analogue amount to make corresponding beam
current changes, adjust V-EHT-COM, H-EHT-COM to make raster’s size basicly not change
when at different beam current status.
3) According to chart 2 in turn apply every testing signal (firstly apply YpbPr signal, then TV or AV
signal), then press “5” button to enter into “FACT ORY MENU 5”, adjust H-S, V-S, H-SIZE, V-SIZE to
make picture normal.
e) Sub-brightness adjustment
Receive split field signal, set colour/contrast/brightness to 0, check whether screen second gray is
slightly bright, otherwise press “6” button, in factory menu select CONTRAST MAX and BRIGHT
MAX to adjust.
f) Filament/beam current/high voltage check and adjustment
1) Filament voltage: receive a TV program signal, set picture mode to “STANDARD”,th e filament
voltage effective value should be 6.3
0.2 Vrms.
2) Beam current check: receive all white field signal, set picture mode to “SPORTS”, measure
R360 two terminals’ voltage and the reading should be less than or be equal to 1.6V. If not,
after entering into factory menu status, press “4” button to enter into “RGB MENU” factory
menu, adjust AV BEAM LIMIT item to make beam current meet requirements.
3) High voltage check: receive D8 signal, set picture mode to “STANDARD”, measure CRT high
voltage and the reading should be A value in chart 3. When brightness, contrast is set to
minimum (zero beam current), measure the high voltage, the reading should not exceed B
value in chart 4.
4
Chart 4 High voltage check requirements
Parameters
A
B
74 cm
30 kV
34+ kV
0.5 kV
2751
CRT Size
86 cm
30 kV 0.5 kV
34 kV
3251
4) High voltage protection: receive a picture signal, adjust until picture and sound are normal,
short R340 and the circuit should immediately enter into power-off protection state and the
state should keep. Turn off the power switch and then turn on, the picture and sound should
restore to before-testing state.
g) Peak value adjustment
On the condition of SCREEN and beam current has been adjusted properly, in order to show
picture’s contrast well and control picture’s colour tail, apply a little beam current picture (for
example, black and white crosshatch) and set picture’s contrast and brightness to maximum, then
after entering into factory menu status, press “4” button to enter into “RGB MENU” factory menu,
by adjusting PEAK DRIVE LIMIT item to make the whole unit’s picture colour just without colour tail
on the condition of maximum contrast and it is OK.
h) Every control buttons’ check
Check according to Instruction manual.
i) Check all the input/output terminals’ function, please check according to “PRODUCTION
STANDARD”
i) Out-factory setting
Set picture to “Standard”.
Set sound to “Music”.
Set Blue back to ON.
Set OSD language to English.
Set DNR to SOFT.
Set SVM to ON.
Set Volume to 30.
Set Loudness to OFF.
Set AVC to ON.
Set CCD to OFF.
Set child lock password, V-chip password to 0000.
Set V-chip all rating to no rating .
Set the channel to Cable 3. .
5
3 For factory menu adjustment see Chart 5Chart 11.
Chart 5 Factory menu (1)WRITE
Item name Item instruction Range
WRITE R Bright balance R BF-3F Refer to white balance adjustment part 1
WRITE G Bright balance G BF-3F Refer to white balance adjustment part 1
WRITE B Bright balance B BF-3F Refer to white balance adjustment part 1
SCREEN
LOCK
2003-XX-XX Version date fix
Dark current
adjustment
OK/OFF OK
Default
value
Adjust SCREEN potentiometer until OK
Chart 6 factory menu (2)
Item Item instruction Range
V SIZE V-size 80-7F 39 To make vertical reproduction rate reach
V SHIFT V-center 80-7F 17 To make picture center and CRT center be
V LINEAR V-linearity 80-7F 41 To make V-linearity distortion minimum.
V S CORR Vertical S-correction 80-7F F7 To make vertical S-correction distortion
H SIZE H-size 80-7F 08 To make horizontal reproduction rate reach
H SHIFT H-center 80-7F 43 To make picture horizontal center be in
V ANGLE Parallelogram correction 80-7F 05 To correct parallelogram distortion
V BOW Arch correction 80-7F 0E To correct arch distortion
PIN AMP Pincushion correction 80-7F 60 To make pincushion distortion minimum
PIN PHASE Trapezoid correction 80-7F AE To make trapezoid distortion minimum
UP
CORNER
LOWER
CORNER
EXT
CORNER
V SYNC
CONT
Upper edge corner
correction
Lower edge corner
correction
Edge and corner
correction
80-7F 20
80-7F 11 To correct upper two corners distortion
80-7F C5 To correct lower tow corners distortion
80-7F C5 Corner edge correction
Default
value
90% 92%
in accordance
minimum.
90% 92%
accordance with CRT center.
Chart 7: factory menu (3)
Item Item instruction Range
V SCROLL Vertical scroll 0-FF 00 Not adjust, set default value
V ASPECT V-size 0-FF 00 Not adjust, set default value
V EHT Vertical high
voltage correction
80-7F BD To make vertical raster size not change
Default
value
when beam current changes greatly.
Adjusting method
Adjustment method
Adjustment method
6
H EHT Horizontal high
voltage correction
AFC EHT COM High voltage auto
frequency control
H BLANK TIME Horizontal
blanking width
H BLANK PHASE Horizontal
blanking phase
V BLANK START V-sync phase 80-7F FB Not adjust, set default value
V BLANK END V-sync phase 80-7F 11 Not adjust, set default value
MIN NO.OF LINE H-blanking phase 80-1F 00 Not adjust, set default value
MAX NO.OF LINE H-blanking end
position
PWM CONTROL H-blanking width 80-7F 02 Not adjust, set default value
PLL CONTROL 0 H-blanking width 80-7F 0B Not adjust, set default value
PLL CONTROL 1 H-blanking width 80-7F 62 Not adjust, set default value
80-7F 9D To make horizontal raster size not change
when beam current changes greatly.
20-1F 08 Not adjust, set default value
80-7F E4 Not adjust, set default value
80-7F F9 Not adjust, set default value
80-7F FF Not adjust, set default value
Chart 8 Factory menu (4)RGB MENU
Item Item instruction Range
INT H-SYNC
PHASE
AV BEAM LIMIT Beam current limit 80-7F 1A Refer to beam current adjustment part
AV BEAM LIMIT
CHA
PEA DRIVE LIMIT Peak value limit 80-7F 00 Refer to peak value adjustment part
PEAK DRIVE TOP Top peak value
PEA DRIVE
BOTTOM
PEA DRIVE L-R Left/right edge
DEFLECT 0 80-7F 03 Can not adjust, set default value
DEFLECT 1 80-7F 05 Not adjust, set default value
RGB CONTROL 0 80-7F 84 Not adjust, set default value
RGB CONTROL 1 80-7F 18 Not adjust, set default value
RGB CONTROL 2 80-7F 20 Not adjust, set default value
RGB CONTROL 3 80-7F 03 Not adjust, set default value
V INPUT MODE 80-7F 85 Not adjust, set default value
H-sync phase 80-7F 12 Not adjust, set default value
Beam current limit 80-7F 81 Refer to beam current adjustment part
80-7F 10 Not adjust, set default value
limit
Bottom peak
value limit
peak value limit
80-7F 47 Not adjust, set default value
80-7F 88 Not adjust, set default value
Default
value
Adjustment method
7
Chart 8 factory menu FACTORY 5(HDTV mode)
Item Item insturction Range
R-G Red gun gain 00-FF 80 Refer to white balance adjustment part2
G-G Green gun gain 00-FF 80 Refer to white balance adjustment part2
B-G Blue gun gain 00-FF 80 Refer to white balance adjustment part2
R-O Red gun bias value 00-FF 80 Refer to white balance adjustment part2
G-O Green gun bias value 00-FF 80 Refer to white balance adjustment part2
B-O Blue gun bias value 00-FF 80 Refer to white balance adjustment part2
H-S H-phase 00-FF Geometrical adjustment
V-S V-phase 00-FF Geometrical adjustment
H-SIZE H-size 00-FF Geometrical adjustment
V-SIZE V-size 00-FF Geometrical adjustment
Default
value
Adjustment method
Chart 9: factory menu 6
Item Item instruction Range
CONTRAST
MAX
CONTRAST
CEN
CONTRAST
MIN
BRIGHT
MAX
BRIGHT
CEN
BRIGHT
MIN
COLOR
MAX
COLOR
CEN
COLOR MIN Colour minimum value 00-7F 00 Not adjust, set to default value
SHARP
MAX
TINT CEN Tint center value 00-7F 00 Not adjust, set to default value
Contrast maximum 00-7F 7F Not adjust, set to default value
Contrast center value 00-7F 3F Not adjust, set to default value
Contrast minimum value 00-7F 00 Not adjust, set to default value
Brightness maximum value 00-7F 7F Not adjust, set to default value
Brightness center value 00-7F 3F Not adjust, set to default value
Brightness minimum value 00-7F 00 Not adjust, set to default value
Colour maximum value 00-7F 3F Not adjust, set to default value
Colour center value 00-7F 20 Not adjust, set to default value
Sharpness maximum
value
00-7F 7F Not adjust, set to default value
Default
value
Adjustment method
Chart 10 Factory menu 7
Item Item instruction Range
VOLUME-1 Sound curve 00-7F 0F Not adjust, set to default value
VOLUME-25 Sound curve 00-7F 1F Not adjust, set to default value
VOLUME-50 Sound curve 00-7F 3F Not adjust, set to default value
VOLUME-100 Sound curve 00-7F 7F Not adjust, set to default value
Default
value
Adjustment value
8
BASS MAX Bass maximum value 00-7F 7F Not adjust, set to default value
BASS MIN Bass minimum value 00-7F 00 Not adjust, set to default value
TREBLE MAX Treble maximum value 00-7F 7F Not adjust, set to default value
TREBLE MIN Treble minimum value 00-7F 00 Not adjust, set to default value
SURROUND
MAX
SURROUND
MIN
BLANCE CEN Balance center value 00-7F 20 Not adjust, set to default value
LOUDNESS
ON
LOUDNESS
OFF
Surround sound
maximum value
Surround sound
minimum value
Setting value when
loudness is on
Setting value when
loudness is off
00-7F 7F Not adjust, set to default value
00-7F 00 Not adjust, set to default value
00-7F 7F Not adjust, set to default value
00-7F 00 Not adjust, set to default value
Chart 11 Factory menu 8
Item Item insruction Range
OSD-HP
MENU
OSD-HP AV
SEL
OSD-HP
NORMAL
SVM DELAY SVM delay phase 00-7F 03 Not adjust, set to default value (after
ZOOM DATA
OPTION
DATA1
H-MUTE
DELAY
MENU phase 00-7F 00 Not adjust, set to default value (after
AV menu phase 00-7F 00 Not adjust, set to default value(after
Other menu phase 00-7F 00 Not adjust, set to default value (after
9 picture zoom
16
OPTION 00-FF 01 Not adjust, set to default value
Horizontal failure of
oscillations time delay
amount
80-7F 20 Not adjust, set to default value(after
00-FF 5A Not adjust, set to default value. If less than
Default
value
adjustment, open the menu again and it
is effective)
adjustment, open the AV selection menu
again and it is effective)
adjustment, open the OSD again and it is
effective)
adjustment, turn on the set again and it is
effective)
adjustment, turn on the set again and it is
effective)
10, the screen will light and burn the tube.
Adjustment method
9
Chart 12 Factory menu 9 DESIGN MENU
Item Item instruction Range
IC XXX Relative IC chip
ADD H Address high 8 byte 00-FF Press VOL+/- button to change
ADD L Address high 8 byte 00-FF Press VOL+/- button to change
DATA H Data high 8 byte 00-FF Press VOL+/- button to change
DATA L Data lower 8 byte 00-FF Press VOL+/- button to change
READ Reading current data YES/NO
REFRESH Reflesh changed data YES/NO
SAVE Save changed data YES/NO
Default
value
Adjustment method
10
4.General description of the SDA 9380-B21.
The SDA 9380 is a highly integrated deflection controller and RGB video processor for CTV
receivers with 15 to 19kHz or 31 to 38kHz line frequencies. The deflection component controls
among others a horizontal driver circuit for a flyback line output stage, a DC coupled vertical
saw-tooth output stage and an East-West raster correction circuit. All adjustable output
parameters are I2C-Bus con-trolled. Inputs are HSYNC and VSYNC. The HSYNC signal is the
reference for the internal clock system which includes the ¦µ1 and ¦µ2 control loops.
Block diagram of the SDA 9380-B21:
SCL
SDA
BSOIN
RESN
TEST
FH1_2
VSYNC
HSYNC
CLEXT
CLKI
HSAFE
H35K
H38K
RGB 2
FBL 2
FBL 1
RGB
/
YUV
YUV/RGB
X1
X2
SWITCH D/A
I²C
CONTROL
VBLO
SCP
HPROT
VPROTSSD
PROTECTION
START UP
PROTON
H-OUT
V-OUT
EW-OUT
HD
VD+
VD-
E/W
CLL
PWM
PLL
CLAMP
3
1
0
CLAMP
3
CLAMP
3
MATRIX
3
MATRIX
3
MATRIX
3
YUV
3
SWITCH
YUV
3
YUV
Y
UV
2
3
PW/PH- CORR
AVERAGE
BEAM LIMITER
BLACK
STRETCH
SATURATION
CONTROL
UV
RGB
MATRIX
Y
PWM
IBEAM
SVM
VDD(A1..4)
VSS(A1..4)
VDD(D1..2)
VSS(D1..2)
VDD(MC)
VSS(MC)
SUBST
BRIGHTNESS
CONTROL
3
DELAY
3
BLUE STRETCH
3
CONTRAST
CONTROL
3
PEAK DRIVE
3
LIMITER
3
3
VREFC
MEASURE
PULSES
CUT OFF +
WHITE POINT
OUTPUT
BUFFER
VREFH
VREFN
DCI
ROUT
GOUT
BOUT
11
PIN CONFIGURATION:
CLKI
X2
X1
CLEXT
TEST
SUBST
RESN
SCL
SDA
VDD(D)
VSS(D)
HD
H35K
H38K
PWM
VSS(D)
VDD(D)
SSD
SWITCH
64 63 62 61 60 59 58 57 56 55 54 53515250 49
1
SVM
BOUT
SCP
VSS(MC)
VDD(MC)
ROUT
GOUT
R2
G2
B2
2
3
4
5
6
7
8
9
SDA 9380
10
11
12
13
14
15
16
17 18 19 20 21 22 23 24 25 26 27 28302931 32
D/A
FH1_2
=
HSYNC
VSS(A1)
VDD(A1)
E/W
VSS(A2)
VDD(A2)
VD-
VD+
VPROT
VSS(A3)
VDD(A3)
FBL2
FBL1
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
HSAFE
HPROT
B/V 1
G/U 1
R/Y 1
VSS(A4)
V/B 0
U/G 0
Y/R 0
VDD(A4)
DCI
VREFC
VREFN
VBLO
VREFH
PROTON
IBEAM
BSOINVSYNC
12
5.Introdution of the VPC 3230D.
The VPC 3230D is a high-quality, single-chip video front-end, which is targeted
for 4:3 and 16:9, 50/ 60 and 100/120 Hz TV sets. It can be combined with other
members of the DIGIT3000 IC family (such as DDP 33x0A/B, TPU 3040) and/or
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VIN1
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it can be used with 3rd-party products.
Block diagram of the VPC 3230D:
The MSP 3425G family of single-chip Multistandard Sound Processors covers the sound
processing of all analog TV standards worldwide, as well as the NICAM digital sound standards.
The full TV sound processing, starting with analog sound IF signal-in, down to processed analog
AF-out, is performed in a single chip.
Simplified functional block diagram of the MSP 3425G:
r
e
k
S
Loud-
spea
C
DA
er
es sing
ound
Loud-
S
spea k
P roc
e-
es sing
P r
proc
2
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S our
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P res
1
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P r
PIN CONFIG
or
De-
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F
ound I
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S 1
S 2
2
2
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1
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nput
DS
I
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S C
2
T
AR
S C
NO
MO
15
I2
DAC M
DAC
M
NC
_
L
26
25
VE R F
_
R
24
NC
2
23
22
R E
S E T
NC
Q
21
20
S _
DA_
I
NC
N2
19
18
DV S U P
DV S S
17
16
M
27
28
29
30
31
32
33
34
35
36
37
NC
NC
VR E F
S
S
NC
AH V S
C
AH V S
AG NDC
C
C
1_OU
1_OU
1
T
T
_R
_L
A
P
L_M
UP
S
NC
ADR _
C L
15
S P
38
NC
ADR _
WS
14
34
39
S
C
2_IN
_
L
ADR
_
DA
13
x5G
40
S
C
2_IN
_
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41
S
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L
7.General description of the PW1235.
D_C
I2
S _
DA_
I2S
_
O
W
UT
S
11
10
42
43
S
VR E F
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1_IN
T
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_
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P
I2
I2S
C
_
_
DA
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9
8
44
45
MO
AV S
N
S
O
_
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S T
ADR _
AN DB Y
I2
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C L
7
46
AV S
UP
S
E
Q
L
6
5
47
48
AN A_
AN A_
I
I
N
N
1
D_C
T
T
R _
R _
I/O_ 0
I/O_ 1
NC
TP
4
3
2
1
49
50
51
52
NC
TE
XT
XT
AL
S T
E
N
AL
_
_
IN
O
UT
The PW1235 Video Signal Processor is a high quality, digital video signal processor that
incorporates Pixelworks' patented, state-of-the-art video deinterlacer and scaler. Using
sophisticated algorithms, the PW1235 is able to effectively deinterlace video input by creating
motion vectors that follow frame-to-frame movement, and provide clear, progressive output in
both analog and digital formats.
With support for NTSC and PAL video formats, the PW1235 can be designed into any TV,
monitor, or projector application. Support for 3:2 and 2:2 film mode detection enables the
PW1235 to provide the best quality display for existing film and video standards. The PW1235
can dynamically enter or exit film mode (with flexible programming) to display mixed content
with the best possible quality.
As a single device, the PW1235 integrates many functions onto one chip. It has embedded a
scaler, an advanced deinterlacer, memory controller, color space converter, and Digital-toAnalog Converter (DAC) onto one chip. There are two video input ports-a primary video port
and a secondary input port-that are used to accept YUV video in the ITU-R601 and ITU-R656
formats respectively. Video content is analyzed on a single-pixel granularity to detect
presence or absence of noise and compute the amount of motion. Motion video is processed
using a highly intelligent algorithm that simultaneously eliminates noise and interpolates pixels
along any angle to produce a noise-free picture without jagged-edge artifacts.
As part of a Pixelworks solution, combining the PW1235 with a Pixelworks ImageProcessor
(such as the PW113, PW166 or PW181) offers the world's best combination of
16
deinterlacing and scaling of video or graphics. This combination of high quality deinterlacing
and scaling is essential for higher resolution outputs such as XGA, SXGA, and UXGA that
need to display NTSC and PAL video.
Internal block diagram of the PW1235:
The TDA6111Q is a video output amplifier with 16 MHz bandwidth. The device is contained
in a single in-line 9-pin medium power (DBS9MPF) package, using high-voltage DMOS
technology, intended to drive the cathode of a colour CRT.
The schmatic diagram is repre se ntative only .
The value of the parts will be changed w ith the
improvement of the c ircuit.
1. The unit of resistance is ohm.
K=1,000 ohm M=1,000,000 ohm
2. The unit of induc tance is H.
mH=1/1,000H uH=1/1,000mH
3. The unit of capacitance is F.
uF=1/1,000,000F pF=1/1,000,000uF
4. The meaning of the sy mbols is below:
small signal ground
large signal ground
RV10
1K5
LV01
100uH
12V
XV02
SVM
1
2
3
GND
CV01
100P
VV01
2SC1959
GND
RV06
1K
DV01
IN4148
RV12
68
RV05
8K2
VV02
2SC1959
CV04
220P
RV08
4K7
GND
RV07
10K
RV11
10K
CV06
10N
VV05
2SA562
RV04
180
RV09
180
VV03
2SC1959
RV1368CV25
GND
CV05
10N
47N
GND
VV04
2SC1959
VV16
2SA562
RV02
47
RV03
47
GND
CV03
100N
CV02
100U
CV21
100P
RV35
3.9K
RV34
12K
LV02
100uH
+
VV06
2SC1959
CV22
100u/16v
CV24
RV33
300
RV36
820
0.1u
CV3
+
CV23
100u/16V
VV17
2SC1959
RV31
10
RV32
10
VV18
2SA562
+
CV07
22u/100V
CV08
100n
CV09
1n
CV12
1n
RV16
270
+
47u/16V
RV15
2.2
RV17
15K
RV18
15K
RV21
270
CV10
VV07
2SA1964
2SC5248
RV20
10
VV08
RV01
330/1W
RV14
10
XV01
1
12V
2
GND
3
4
105V
TO CRT BOARD X404
CV13
22n
+
CV11
47u/16v
RV19
2.2
222
RV22
120
CV14
TV01
1
2
3
XV03
VM BOARD
VM-OUT
XAA3
XAA2
L
R
CY
XAA1
XAA6
123
16789
4
XAA5
10
234
11
123
5
RAA6
560
4
RAA5
560
CAA3
1N
RAA3
82
V
RAA1
100KCAA1
1N
R
LAA2
10UH
L
RAA2
100K
CAA2
1N
LAA1
10UH
1
2
3
4
5
6
7
8
XAA4
U/Y
GND
L
R
GND
C
GND
S
L_O
GND
R_O
GND
L_SP
R_SP
GND
GND
FRONT AV BOARD
RAA4
82
CB_VPC
CY_VPC
CR_VPC
CD4
22P
CD5
22P
RST
CD189
CD190
CD192
SCL
SDA
RST
R/Pr
G/Y
B/Pb
DBUSY4
DBUSY5
DBUSY6
DBUSY7
DBUSC4
DBUSC5
DBUSC6
DBUSC7
RD1
2.2M
SCL
SDA
220n
220n
220n
RD18
100
SCL
SDA
R9
75
R10
75
R11
75
RP3
100x4
RP10
100x4
SCL
SDA
CD143
220n
RD39 100
RD40 100
RD38
100
+3.3VD
DBUSY0
DBUSY1
DBUSY2
DBUSY3
LLA0
VS3
HS3
DBUSC0
DBUSC1
DBUSC2
DBUSC3
XD1
10.0MHz
10uF/16V
CD144
1n5
CD155
0.1UF
RP4
100x4
RP5
100x4
RD2
RD3
CD8
0.IUF
CD146
CD145
+
CD147
SCL3
SDA3
47n
390p
+3.3VD
100
100
3230D_VREF
11
12
13
15
16
17
18
20
21
22
23
25
26
27
28
30
31
32
33
35
36
37
38
40
41
43
44
45
47
48
50
51
52
53
55
56
1
2
3
4
6
7
8
9
RD42
100*
CLK20
UD1A
VB0
VB1
VB2
VB3
VB4
VB5
VB6
VB7
SVHS
SVVS
SVCLK
VG0
VG1
VG2
VG3
VG4
VG5
VG6
VG7
PVCLK
CREF
PVVS
PVHS
VR0
VR1
VR2
VR3
VR4
VR5
VR6
VR7
XTALI
XTALO
I2CA1
I2CA2
SCL
SDA
TDO
TCK
TDI
TMS
TRSTn
RESETn
TEST
PW1235
CD130
220n
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
CD133 1n
Cin
CD134 680n
Yin
CD212 680nG/Y
CD132
CD131
390p
1n5
77
78
80
79
VREF
B1/CB1 IN
G1/Y1 IN
R1/CR1 IN
B2/CB2 IN
G2/Y2 IN
R2/CR2 IN
ASGF
NC
VSUPCAP
VSPD
GNDD
GNDCAP
SCL
SDA
RESQ
TEST
VGAV
YCOEQ
FFIE
FFWE
FFRSTW
FFRE
FFOE
CLK20