Sanyo CE32FWN6F-C User manual

Part No. SKSM0810 C7ZES JULY 2005
Colour Television
Service Manual
Model CE32FWN6F-C
Service Ref. No. CE32FWN6F-C-00
PRODUCT CODE: 111375104
ORIGINAL VERSION: Chassis No.EB8-A
Give complete "SERVICE REF. NO." for parts
order or servicing, it is shown on the rating sheet
on the cabinet back of the TV set.
Note
This TV receiver will not work properly in foreign
countries where the television transmission
system and power source differ from the design
specifications. Refer to the specifications for the
design specifications
CE32FWN6F-C
Contents
Safety precautions/Specifications ..................................................................................................................2
Block diagrams ..............................................................................................................................................3
Cabinet Disassembly......................................................................................................................................4
Adjustment and Repair Procedures............................................................................................................5~9
CPU Functions ..............................................................................................................................................................................10~11
Component Locations ..................................................................................................................................12
IC Block Diagrams..................................................................................................................................13~15
Pin description of semiconductors................................................................................................................16
Part Description and reading of schematic diagram ....................................................................................17
Cabinet Parts List/TV Stand parts list ..........................................................................................................18
Electric Parts List....................................................................................................................................19~25
-+
Please use Schematic Diagram SKP20542
with this Service Manual.

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C7ZES
SAFETY PRECAUTION
X-RADIATION PRECAUTION
The primary source of X-RADIATION in the television receiver is the picture tube. The picture tube is specially
constructed to limit X-RADIATION emissions. For continued X-RADIATION protection, the replacement tube
must be the same type as the original including suffix letter. Excessive high voltage may produce potentially
hazardous X-RADIATION. To avoid such hazards, the high voltage must be maintained within specified limit.
Refer to this service manual, high voltage adjustment for specific high voltage limit. If high voltage exceeds
specified limits, take necessary corrective action. Carefully follow the instructions for +B1 volt power supply
adjustment, and high voltage adjustment to maintain the high voltage within the specified limits.
PRODUCT SAFETY NOTICE
SPECIFICATIONS
Product safety should be considered when a component replacement is made in any area of a receiver.
Components indicated by mark in the parts list and the schematic diagram designate components in which
safety can be of special significance. It is particularly recommended that only parts designated on the parts list in
this manual be used for component replacement designated by mark . No deviations from resistance wattage
or voltage ratings may be made for replacement items designated by mark .
!
!
!
1: An isolation transformer should be connected in the
power line between the receiver and the AC line
when a service is performed on the primary of the
converter transformer of the set.
2: Comply with all caution and safety-related notes
provided on the cabinet back, inside the cabinet, on
the chassis or the picture tube.
3: When replacing a chassis in the cabinet, always be
certain that all the protective devices are installed
properly, such as, control knobs, adjustment covers
or shields, barriers, isolation resistor-capacitor networks
etc. Before returning any television to the customer,
the service technician must be sure that it is completely
safe to operate without danger of electrical shock.
Power source AC 220~240V, 50Hz
Television system System I
Colour system PAL/NTSC4.43 (PAL/NTSC4.43/NTSC3.58 IN AV MODE)
Receiving channel UHF: #21~69
Aerial input impedance 75ohm
Rear AV terminal
AV1: CENELEC standard
INPUT: Composite video, RGB and Audio L/R
OUTPUT: TV-output with composite video and audio L/R
AV2: CENELEC standard
INPUT: Composite video, RGB, S-VHS and Audio L/R
OUTPUT: Monitor output with composite video and Audio L/R
Front AV terminal
AV3: RCA jacks
INPUT: Composite video and Audio L/R
Sound output(Music) 12 x 2
Dimensions (WxHxD) 880 x 575 x 549mm
Weight 49.5 Kg
Important recycling information.
Your SANYO product is designed and manufactured with high quality
materials and components which can be recycled and reused.
This symbol means that electrical and electronic equipment, at their
end-of-life, should be disposed of separately from your household
waste.
Please dispose of this equipment at your local community waste collec-
tion / recycling centre.
In the European Union there are separate collection systems for used electrical and electronic
products.
Please help us to conserve the environment we live in!
Note: This symbol mark and recycle system are applied only to EU countries and are not applied
to other countries of the world.

-3- C7ZES
BLOCK DIAGRAM
This is a diagram for all models and therefore differs slightly from the actual block diagram.
IC601
TN6Q04
C609
D610
14v IC645
5v
P.F
2
4
1
25v
D671
7v
3v3
ON/OFF
UOC PIN 107
Q651
Q642
+14v
-14v
Q625
Q682
145v
Q641
Q675 St-BY UOC
PIN 106
AC
A101
TUNER
X122
X121
5v30v
5
A1901 RC RECEIVER
PF
Q866
IC001 AUDIO AMPLIFIER
SPEAKER
SP901
SP902
KEY SW
IC801 MEMORY
1V8_1 Q202 Q201
1V8_2 Q203
Q204
TO UOC PINS
93 & 96
TO UOC PINS
3,100,117,118,124
UOC
Q1001 Q1002
SC_1 B-IN
SC_1 G-IN
SC_1 R-IN
SC1 FB IN
K1001
SCART 1
SC_1 VIDEO OUT
SCART 1 AUDIO L/R IN
SCART 1 AUDIO L/R OUT
SC_1 VIDEO IN
Q1003
Q1004
SCART 2 AUDIO L/R IN
SCART 2 AUDIO L/R OUT
K1101
AV3 AUDIO L/R & VIDEO IN
145V
Q439
Q431 Q432
L461
L462
Q462
Q461
HORIZONTAL
SCAN COIL
D441
Q402 Q403
ON/OFF CONTROL
CPU PIN 106
200v
To CRT
Q401
T451 FLYBACK
CRT Heater
IC7 01
SCREEN & FOCUS
H.V
R OUT
GOUT
BOUT
IK
PICTURE TUBE
VERTICAL
SCAN COIL
V-OUTPUT
LA78045
IC501
X201
I2C BUS CONTROL
14 10
9
106
107 11
9
22 23 2
128
48
75 72 71 70
51 53 54
84 85 86
6
58 62 63
SC_2 FB -IN
SC_2 G -IN
SC_2 B- IN
SC_2 R-IN
K1002
SCART 2
SC_2 VIDEO OUT
SC_2 VIDEO IN
49 50
43
55 34 35
36 37
108 109
120
31
127 60 61 97
29 30
80 79 78 77
24
25 IF IN
SIF IN
SW601
T611
CONVERTER
IC666
3v3 St-By
Outline

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C7ZES
(A) (A)
CABINET DISASSEMBLY
CABINET BACK DISASSEMBLY
1. Remove 11 screws(A) for 32”
2. Pull out the cabinet back.
(A)
(A)
(A)
(A)
(A)
(A)
(A)
(A)
(A)
ANT.75Ω
FRONT
/DAVANTI
L/S
R/D
INT EXT/EST
REAR
/POSTERIORE

-5- C7ZES
OPTION SETTING
[After replacing the Memory IC (IC801)]
The memory IC, IC801, stores the option data of TV set and service adjustments data for each circuit, therefore,
when the memory IC is replaced, it should be programmed to the following settings and “SERVICE ADJUSTMENT”
on pages 6 to 9.
To enter to the Option Mode
+ Press and hold the F/OK button on the remote control and P▼button on the front panel of the TV. The option
window will appear on the screen.
To set the Option Mode
+ Highlight the desired option item by using the P▲or P▼ button .
+ To switch the option mode, use the Volume - (LEFT) or Volume + (RIGHT) button.
+ The data which is set in the option mode is stored into the memory IC automatically.
The following table shows the available option items and default setting mode.
Exit from the Service Mode
+ Press the MENU button.
Option Mode Mode Description & Note
SORT MODE SORTING or Tuning mode, default “SORTING”
TUNING
P & P ON or OFF Plug & Play mode, default “ON”
WEL. TEXT ON or OFF Display message when first set up, default “ON”
AUTO VOLUME ON or OFF Auto volume default “OFF”
SURROUND ON or OFF Surround sound default “ON”
VIRT SUB WOOFER ON or OFF Virtual Sub Woofer default “ON”
COUNTRY UK or IRE or TV system, default “BG/DK/I/LL’”
BG/DK / I / LL’
WIDE ON or OFF Wide mode, default ON
AV3 ON or OFF Front AV disable, default “ON”
TEXT NO SIGNAL ON or OFF Disables Text when no signal, default “ON”
AFC ON or OFF Auto Frequency Control default “OFF”
SORT MODE SORTING
P&P ON
WEL.TEXT ON
AUTOVOLUME OFF
SURROUND ON
VIRT SUBWOOFER ON
COUNTRY B/G, D/K, I, L/L'
WIDE ON
AV3 ON
TEXT NO SIGNAL ON
AFC OFF
OPTION
ADJUST : EXIT : RECALL
OPTION MODE FOR CE32FWN6-F-C-00
i
/

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C7ZES
SERVICE ADJUSTMENTS
After replacing the Memory IC (IC801)]
The memory IC, IC801, stores the service adjustments data for each circuit, therefore, when the memory IC is
replaced, it should be programmed by using “OPTION SETTING” on previous page and the following adjustments.
ADJUSTABLE SERVICE ADJUSTMENT
Service Item Number. Symbol 1 Symbol 2 Frequency Wide Mode
13 A01 Track. mode 50Hz Full Track. Mode(HCO)
14 A02 Vert. Zoom 50Hz Full Vertical zoom
15 A03 Vert. Slope 50Hz Full Vertical slope
16 A04 Vert. Shift 50Hz Full Vertical shift
17 A05 Vert. Ampl. 50Hz Full Vertical amplitude
18 A06 S-Corr. 50Hz Full S-correction
19 A07 V.Lin.Ctrl. 50Hz Full V.Lin.Ctrl.
20 A08 V.Linearity 50Hz Full V.Linearity
21 A09 EW Width 50Hz Full EW width
22 A10 Hor. Shift 50Hz Full Horizontal shift
23 A11 EW Parabola 50Hz Full EW parabola/width
24 A12 Trapezium 50Hz Full EW trapezium
25 A13 UC Parabola 50Hz Full EW upper corner parabola
26 A14 LC Parabola 50Hz Full EW lower corner parabola
27 A15 Hor. Bow 50Hz Full Horizontal bow
28 A16 Parallel 50Hz Full Horizontal parallelogram
29 A17 Vert. Scroll 50Hz Full Vertical Scroll
30 A18 H BLK SW 50Hz Full RGB blanking mode
31 A19 H BLK L 50Hz Full Timing of wide blanking front(WBF)
32 A20 H BLK R 50Hz Full Timing of wide blanking rear(WBR)
33 A21 OSVE 50Hz Full Black current measuring lines in overscan
34 A22 EVB 50Hz Full Extended vertical blanking
35 B02 Vert. Zoom 50Hz Natural / or 4:3 squeeze mode Vertical zoom
36 B09 EW Width 50Hz Natural / or 4:3 squeeze mode EW width
37 B10 Hor.Shift 50Hz Natural / or 4:3 squeeze mode Horizontal shift
38 B11 EW Parabola 50Hz Natural / or 4:3 squeeze mode EW parabola/width
39 B12 Trapezium 50Hz Natural / or 4:3 squeeze mode EW trapezium
40 B13 UC Parabola 50Hz Natural / or 4:3 squeeze mode EW upper corner parabola
41 B14 LC Parabola 50Hz Natural / or 4:3 squeeze mode EW lower corner parabola
42 B15 Hor.Bow 50Hz Natural / or 4:3 squeeze mode Horizontal bow
43 B16 Parallel 50Hz Natural / or 4:3 squeeze mode Horizontal parallelogram
44 B17 Vert. Scroll 50Hz Natural / or 4:3 squeeze mode Vertical Scroll
45 C02 Vert. Zoom 50Hz Zoom14:9 Vertical zoom
46 C11 EW Parabola 50Hz Zoom14:9 EW parabola/width
47 C13 UC Parabola 50Hz Zoom14:9 EW upper corner parabola
48 C14 LC Parabola 50Hz Zoom14:9 EW lower corner parabola
49 C17 Vert. Scroll 50Hz Zoom14:9 Vertical Scroll
50 D02 Vert. Zoom 50Hz Title14:9 Vertical zoom
51 D03 Vert. Slope 50Hz Title14:9 Vertical slope
52 D11 EW Parabola 50Hz Title14:9 EW parabola/width
53 D13 UC Parabola 50Hz Title14:9 EW upper corner parabola
54 D14 LC Parabola 50Hz Title14:9 EW lower corner parabola
55 D17 Vert. Scroll 50Hz Title14:9 Vertical Scroll
56 E02 Vert. Zoom 50Hz Zoom16:9 Vertical zoom
57 E11 EW Parabola 50Hz Zoom16:9 EW parabola/width
58 E13 UC Parabola 50Hz Zoom16:9 EW upper corner parabola
59 E14 LC Parabola 50Hz Zoom16:9 EW lower corner parabola
60 E17 Vert. Scroll 50Hz Zoom16:9 Vertical Scroll
61 F02 Vert. Zoom 50Hz Title16:9 Vertical zoom
62 F03 Vert. Slope 50Hz Title16:9 Vertical slope
63 F11 EW Parabola 50Hz Title16:9 EW parabola/width
64 F13 UC Parabola 50Hz Title16:9 EW upper corner parabola
65 F14 LC Parabola 50Hz Title16:9 EW lower corner parabola
66 F17 Vert. Scroll 50Hz Title16:9 Vertical Scroll
67 G02 Vert. Zoom 50Hz Normal Vertical zoom
68 G09 EW Width 50Hz Normal EW width
69 G10 Hor. Shift 50Hz Normal Horizontal shift
70 G11 EW Parabola 50Hz Normal EW parabola/width
71 G13 UC Parabola 50Hz Normal EW upper corner parabola
72 G14 LC Parabola 50Hz Normal EW lower corner parabola
73 G17 Vert. Scroll 50Hz Normal Vertical Scroll
74 G18 H BLK SW 50Hz Normal RGB blanking mode
75 G19 H BLK L 50Hz Normal Timing of wide blanking front(WBF)
76 G20 H BLK R 50Hz Normal Timing of wide blanking rear(WBR)
77 H21 OSVE 50Hz Squeeze Black current measuring lines in overscan
78 H22 EVB 50Hz Squeeze Extended vertical blanking
Explanation
Item No. OSD Description
7 Screen adjustment
151 WPR - N R - Drive adjustment
152 WPG - N G - Drive adjustment
304 AGC Take Over AGC adjustment
314 TXT - H - POS OSD Positioning adustment
IMPORTANT NOTICE
Do not attempt to adjust service adjustments not listed above otherwise it may cause loss of performance and product safety.
GEOMETRY SERVICE DATA

-7- C7ZES
To enter to the Service Mode
+ Press and hold the GREEN button on the remote control and then press the P▼button on the cabinet.
To select the service item and change data value
+ To select the adjustment item, use the P▲or P▼button.
+ To change the service data, use the Volume -(LEFT) or Volume + (RIGHT) button.
+ The data which is set in the service mode is stored into the memory IC automatically.
SERVICE MODE
SERVICE SERVICE SOFTWARE
ITEM ITEM VERSION
NUMBER DESCRIPTION
Exit from the Service Mode
+ Press the MENU button or turn off the TV set by using the Mains switch.
INITIALISATION OF MEMORY IC
To initialise the memory IC (IC801), press and hold the NORMAL button on the remote control, then press
the P▼button on the front panel of the TV set. The tv set will switch into standby mode. Turn the Mains switch Off
and On, then switch on from standby. The initialisation is now completed.
When initialised the memory IC and all of the setting data (option data and service adjustment data) stored in the IC
are reset to the default value. It is necessary to set the option settings and readjust the service adjustments listed in
this manual and to re-tune all the channels.
SERVICE
000 EB8A 3_52

-8-
C7ZES
ADJUSTMENTS
IMPORTANT NOTICE
Do not attempt to adjust the following service adjustments except when adjustments are required in servicing
otherwise it may cause loss of performance and product safety.
1. Receive white raster pattern.
2. Set controls to normal.
3. Connect digital voltmetre to test point TP-B and GND.
4. Adjust voltage to 145 ±0.5V by using VR641.
1. Input and tune an RF signal which is VHF to the clear-
est station.
2. Connect digital voltmetre to test point TP-A and GND.
4. Enter the service mode and select item no. 304. AGC
TAKE OVER
5. Press the LEVEL+ or LEVEL - button to adjust volt-
age to be 3.2Vdc.
By using FOCUS VR, adjust focus control for well
defined scanning lines.
SCREEN ADJUSTMENT
1. Enter the service mode and select item no. 6.
COLLAPSED LINE
2. Turn screen VR until collapsed line is just visible and
then stop turning. Press menu key on remote control
to exit the service mode.
DRIVE ADJUSTMENT
3. Select item no.151. WPR - N (R-Drive) or 152. WPG -
N (G-Drive) and adjust both initially to 20.
4. Change data value of each item by using LEVEL + or
LEVEL - button to obtain the proper white balance.
PCC ADJUSTMENT
1. Receive cross hatch pattern and set screen mode to
“FULL”.
2. Enter the service mode and select item no. 23. EW
PARABOLA
3. Press the LEVEL+ or LEVEL - button to adjust the
vertical line to be straight.
TRAPEZOID ADJUSTMENT
1. Receive cross hatch pattern and set screen mode to
“FULL”.
2. Enter the service mode and select item no. 24.
TRAPEZIUM
3. Press the LEVEL+ or LEVEL - button to correct the
trapezum distortion of the vertical line.
PCC ADJUSTMENT
GREY SCALE ADJUSTMENT
FOCUS ADJUSTMENT
AGC ADJUSTMENT
+ B VOLTAGE ADJUSTMENT

-9- C7ZES
CORNER ADJUSTMENT
1. Receive cross hatch pattern and set screen mode to
“FULL”.
2. Enter the service mode and select item no. 25. UC
PARABOLA for top corner adjustment OR item no.
26. LC PARABOLA for bottom corner adjustment.
3. Press the LEVEL+ or LEVEL - button to correct the
distortion of the vertical line around the corners.
HORIZONTAL CENTRING ADJUSTMENT
1. Receive circular pattern and set screen mode to
“FULL”.
2. Enter the service mode and select item no. 22. HOR.
SHIFT.
3. Press the LEVEL+ or LEVEL - button to adjust the
horizontal centre.
HORIZONTAL WIDTH ADJUSTMENT
1. Receive circular pattern and set screen mode to
“FULL”.
2. Enter to the service mode and select item 21. EW
WIDTH.
3. Press the LEVEL+ or LEVEL - button to adjust the
horizontal width.
1. Receive circular pattern and set screen mode to
“FULL”.
2. Set controls for brightness and contrast to maximum.
3. Connect high-voltage meter to the anode of CRT and
GND.
4. Confirm that voltage is 30.5 kV ±1.0kV at maximum
beam current 1.45mA ± 0.05
VERTICAL CENTRING ADJUSTMENT
1. Receive circular pattern and set screen mode to
“FULL”.
2. Enter the service mode and select item no.16.VERT
SHIFT.
.3 Press the LEVEL+ or LEVEL - button to adjust the
vertical centre.
VERTICAL HEIGHT ADJUSTMENT
1. Receive circular pattern and set screen mode to
“FULL”.
2. Enter the service mode and select item no. 17. VERT
AMPL.
3. Press the LEVEL+ or LEVEL - button to adjust the
vertical height.
1. Receive circular pattern and set screen mode to
“FULL”.
2. Enter the service mode and select item no. 314. TXT -
H - POS.
3. Press the LEVEL+ or LEVEL - button to adjust
proper OSD positioning.
OSD POSITIONING ADJUSTMENT
VERTICAL ADJUSTMENT
HIGH-VOLTAGE CONFIRMATION
HORIZONTAL ADJUSTMENT
314 TXT - H - POS 7

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C7ZES
CPU PORT FUNCTIONS
Pin No Function Name Function In/Out
1 VSS Gnd --
2 VSS Gnd
3 1v8_1 1.8v Supply --
4 3v3 3.3v Supply --
5 Vref 3.3v Reference --
6 Vref V Ref Gnd --
7 Vref 3.3v Reference --
8 Vref V Ref Gnd --
9 Vref 3.3v Reference --
10 XTAL IN Clock Oscillator In
11 XTAL OUT Clock Oscillator Out
12 Vss Gnd --
13 Vguard sw --
14 Dec Dig 1.8v source supply Out
15 5v 5v Supply --
16 Phi 2 Phi 2 --
17 Phi 1 Phi 1 --
18 Gnd Gnd --
19 Sec pii --
20 Dec BG --
21 EW Drive parabola out Out
22 VdrB Vertical drive B Out
23 VdrA Vertical drive A Out
24 Vif 1 Vision IF 1 In
25 Vif 2 Vision IF 2 In
26 Vsc --
27 I Ref Reference current --
28 Gnd Gnd --
29 Sif 1 Sound IF 1 In
30 Sif 2 Sound IF 2 In
31 Agc Auto matic gain control In
32 Eht Eht In
33 SSif/Ref Iin/Avl/Ref Out --
34 Audio in Scart L In
35 Audio in Scart R In
36 Audio Out Scart L Out
37 Audio Out Scart R Out
38 --
39 Qsso/Amo/AudioEm --
40 Gnd --
41 PLL IF Phase Lock Loop If --
42 SifAgc SifAgc --
43 IFVo Scart 1 Video Out
44 FmRo --
45 V8Audio Switches --
46 AgcsSif --
47 V5P2 5v Supply --
48 Svo/IfVo/Cbvs1 Scart 2 Video Out
49 Audio4 L In Scart 2 Audio L In
50 Audio4 R In Scart 2 Audio R In
51 Y4/Cvbs4 Av3 Video In
52 C4 --
53 Audio2InL Av3 Audio L In
54 Audio2InR Av3 Audio R In
55 Cvbs2/y Scart 1 Video In
56 Audio3InL --
57 Audio3InR --
58 Y3/Cvbs Scart 2 Video In
59 C3 Scart 2 Chroma In In
60 Audio Out L SL Audio out Left Speaker Out
61 Audio Out L SR Audio Out Right Speaker Out
62 Audio Out HPL Scart Audio L Out 2 / monitor Out Out
63 Audio Out HPR Scart Audio R Out 2 / monitor Out Out
64 Pip --