Sanyo VMC-8619PA User manual

VMC-8619PA
FILE NO.
REFERENCE No.SM5310558
L8MV5/XE2,UK2,AU2
NOTE: 1. Parts order must contain model number, part number, and description.
2. Substitute parts may be supplied as the service parts.
3. N.S.P. : Not available as service parts.
Design and specifications are subject to change without notice.
SERVICE MANUAL
Colour Video Monitor
CONTENTS
SPECIFICATIONS .................................................................... 2
1. OPERATING INSTRUCTIONS ............................................. 3
2. DISASSEMBLY ..................................................................... 5
3. SERVICE ADJUSTMENTS ................................................... 6
4. PARTS LIST ......................................................................... 9
CIRCUIT DIAGRAMS & PRINTED WIRING BOARDS...........C1
(Product Code : 114 952 14)
(Europe)
(Product Code : 114 952 15)
(U.K.)
(Product Code : 114 952 16)
(Australia)
The components designated by a symbol ( ! ) in this schematic diagram designates components whose value are of
special significance to product safety. Should any component designated by a symbol need to be replaced, use only the
part designated in the Parts List. Do not deviate from the resistance, wattage, and voltage ratings shown.
PRODUCT SAFETY NOTICE

– 2 –
PAL/NTSC, selected automatically
19 incht
More than 800 TV lines
S-VIDEO signal (VIDEO C)
Separate Y/C signal, mini-DIN connector (1)
Y signal: 1.0 Vp-p, 75 Ωnegative sync
C signal: 0.286 Vp-p, 75 Ωnegative sync, bridge connection possible
VIDEO signal (VIDEO A, B)
Composite sync signal: 1.0 Vp-p, 75 ΩBNC connector (2)
AUDIO signal (AUDIO A, B)
-6dBs (400 mVrms), RCA pin (3), bridge connection possible
S-VIDEO signal (VIDEO C)
Separate Y/C signal, mini-DIN connector (1)
Y signal: 1.0 Vp-p, 75 Ωnegative sync
C signal: 0.286 Vp-p, 75 Ωnegative sync, bridge connection possible
VIDEO signal (VIDEO A, B)
Composite sync signal: 1.0 Vp-p, 75 ΩBNC connector (2), automatic termination setting
AUDIO signal (AUDIO A, B)
-6dBs (400 mVrms), RCA pin (3), bridge connection possible
Picture adjustment: Adjustable COLOR, TINT (NTSC only), BRIGHTNESS, CONTRAST,
SHARPNESS
Sound adjustment: Adjustable soeaker volume
YES
1 W
x 1, impedance of 8 Ω
100 to 240 V AC, 50/60 Hz
95 Watts
-10 °C to + 45 °C storage temperature
10 % to 90 %
448 x 433 x 447 mm
25kg
SPECIFICATIONS
Colour system :
Picture tube :
Resolution :
Input terminals :
Outout terminals :
Menu screen items:
Overscan or underscan selection:
Audio output :
Speaker :
Power source :
Power consumption :
Ambient operating temperature :
Ambient operating humidity :
Dimension (W x H x D ) :
Weight :
Fig. 1
Dimensions
W
H
D

–3 –
 
1
SCAN
2 45
3
87
6
11
10
9
Fig. 2
1. Speaker
When the monitor selector button (A, B or Y/C) is pressed,
the speaker lets you hear the sound from the unit which is
connected to the audio input terminals at the rear of the
monitor.
2. On-screen display button (OSD)
When this button is pressed, the menu screen appears on
the monitor screen.
3. Cursor ( ) button ( )
When this button is pressed, the cursor moves down.
When it reaches the bottom, it reappears at the top. In
addition, this button is used to make adjustment values
smaller.
4. Cursor ( ) button ( )
When this button is pressed, the cursor moves up. When
it reaches the top, it reappears at the bottom. In addition,
this button is used to make adjustment values larger.
5. Display selector button (ENTER)
If this button is pressed while a picture is on the monitor
screen, the screen changes to the adjustment screen. If
the button is pressed once more, the picture returns to the
previous screen.
6. Underscan/overscan select button (SCAN)
The initial setting is for the normal screen (overscan). If the
SCAN button is pressed, the screen will become smaller
(underscan) than the normal screen. Change this setting in
cases such as when screen display characters are miss-
ing. If the SCAN button is pressed once more, the normal
screen is display again.
7. Monitor A selector button (A)
When this button is pressed, the audio and video input
changes to the unit which is connected to the A terminals
at the rear of the monitor.
1. OPERATING INSTRUCTIONS
1-1. FRONT PANEL CONTROLS
8. Monitor B serector button (B)
When this button is pressed, the audio and video input
changes to the nuit which is connected to the B terminals
at the rear of the monitor.
9. Monitor Y/C selector button (Y/C)
When this button is pressed, the audio and video input
changes to the unit which is connected to the Y/C terminals
at the rear of the monitor.
10. Power indicator (POWER)
Lights when the power is on.
11. Power button (POWER)
Press this button to turn the power on and off.

–4 –
Fig. 4
1-2. REAR PANEL CONTROLS & CONNECTION
1. AC INPUT socket
Connect the AC power cord (supplied) securely to this
socket and to a wall outlet.
2. Rear A terminals (AUDIO/VIDEO A terminals)
When the monitor A selector button at the front of the
monitor is pressed, the audio and video signals from the
unit which is connected to these terminals can be moni-
tored.
3. Rear B terminals (AUDIO/VIDEO B terminals)
When the monitor B selector button at the front of the
monitor is pressed, the audio and video signals from the
unit which is connected to these terminals can be moni-
tored.
4. Rear Y/C terminals (AUDIO/VIDEO Y/C
terminals)
When the monitor Y/C selector button at the front of the
monitor is pressed, the audio and video signals from the
unit which is connected to these terminals can be moni-
tored.
Note: If thre is no signal being input from the input terminals
selected (A, B or Y/C) at the rear of the monitor, "NO
SIGNAL" will be displayed.
Fig. 3
Y/C (Mini DIN 4 pin) terminal specification
Pin No. Signal
1 GND (Y)
2 GND (C)
3Y
4C
OUT
IN
4
2
3
1
4
2
3
1
1
43
2

–5 –
2. DISASSEMBLY
2-1. CABINET
2-2. BOARD LOCATION
Fig. 5
Fig. 6
VIDEO BOARD
MAIN BOARD
FUNCTION BOARD
SIGNAL BOARD

–6 –
ADJUSTMENT
ITEM
TIMING
PATTERN SETTING VR
LOCATION ADJUSTMENT PROCEDURE
CHECK B+
VOLTAGE
HOLD DOWN
VOLTAGE
SETTING
FOCUS
ADJUSTMENT
HORIZONTAL
PHASE
ADJUSTMENT
HORIZONTAL
SIZE
ADJUSTMENT
VERTICAL
LINEARY
ADJUSTMENT
VERTICAL
CENTER
ADJUSTMENT
VERTICAL
SIZE
ADJUSTMENT
PATTERN GENERATOR
MONOSCOPE PATTERN
PATTERN GENERATOR
MONOSCOPE PATTERN
PATTERN GENERATOR
MONOSCOPE PATTERN
PATTERN GENERATOR
MONOSCOPE PATTERN
PATTERN GENERATOR
MONOSCOPE PATTERN
PATTERN GENERATOR
MONOSCOPE PATTERN
PATTERN GENERATOR
MONOSCOPE PATTERN
PATTERN GENERATOR
MONOSCOPE PATTERN
TEST POINT : D910(-)
DIGITAL VOLT METER
VALUE 38.0 ±0.5 VDC.
TEST POINT : ZD501(-)
DIGITAL VOLT METER
VALUE 8.35 ±0.1 VDC.
Adjusting FBT Focus VR1,2 make focus
resolution of reach over 800TV lines, four
corners must be aiso clear.
Adjusting VR401 horizontal phase make
right and left of picture to <=1%.
Adjusting VR306 make signal side of
picture of scale at 1.5 ~ 2.0 position.
Adjusting vertical linear control VR302 for
equal spacing of lines between center
extreme of scan [(Max-Min)/Aver-
age]<=10%.
Adjusting vertical center control VR303 to
<=1%.
Adjusting vertical size control VR301
make signal side of scale is 1.0 ~ 1.5
position.
VR503
FBT FOCUS
VR1 and VR2
VR401
VR306
VR302
VR303
VR301
BRIGHT VR and
CONTRAST VR
TO MAX.
BRIGHT VR and
CONTRAST VR
TO 75%.
SHARPNESS
VR TO MAX.
BRIGHT VR ,
CONTRAST VR
and SHARP-
NESS VR TO
MAX.
FACTRY
PRESETTING
BRIGHT VR ,
CONTRAST VR
and SHARP-
NESS VR TO
MAX.
BRIGHT VR ,
CONTRAST VR
and SHARP-
NESS VR TO
MAX.
FACTRY
PRESETTING
3. SERVICE ADJUSTMENTS
1. Supply power to the set and measuring instruments and allow to warm up for at least 30 minutes.
NOTE
Be sure to use a non-metallic driver for adjusting there VRs. A metallic driver can cause damage by shorting.
Adjustment tool
1. Digital multi meter
2. Pattern generator
3. Colour analyzer
Adjustment mode
Over scan mode

–7 –
ADJUSTMENT
ITEM
TIMING
PATTERN SETTING VR
LOCATION ADJUSTMENT PROCEDURE
WHITE BAL-
ANCE AD-
JUSTMENT
AT VMC-8619P
LUMINANCE
ADJUSTMENT
PINCUSHION
ADJUSTMENT
PATTERN GENERATOR
NO SIGNAL
PATTERN GENERATOR
FULL WHITE
PATTERN GENERATOR
NO SIGNAL
PATTERN GENERATOR
WINDOWS PATTERN
PATTERN GENERATOR
FULL WHITE
PATTERN GENERATOR
CROSSHATCH PATTERN
BRIGHT VR ,
CONTRAST VR
and SHARPNESS
VR TO MAX.
BRIGHT VR ,
CONTRAST VR
and SHARPNESS
VR TO MAX.
BRIGHT VR ,
CONTRAST VR
and SHARPNESS
VR TO MAX.
BRIGHT VR ,
CONTRAST VR
and SHARPNESS
VR TO MAX.
BRIGHT VR ,
CONTRAST VR
and SHARPNESS
VR TO MAX.
BRIGHT VR ,
CONTRAST VR
and SHARPNESS
VR TO MAX.
VR801,VR803,
VR805,
FBT SCREEN
VR
VR804,VR802,
VR501
FBT SCREEN
VR
VR501
VR502
VR305
Adjust VR805 G-Bias to center.
Adjust FBT screen VR make luminance
without video to 0.6 ~ 1.0 FL.
Adjust VR801 make X value is 0.313 ±
0.015.
Adjust VR803 make Y value is 0.329 ±
0.015.
Adjust VR501 make luminance with video
signal to 38 ~ 42 FL.
Adjust VR804 make X value is 0.313 ±
0.015.
Adjust VR802 make Y value is 0.329 ±
0.015.
Adjust FBT screen VR make luminance
without video signal is 0.6 ~ 1.0 FL.
Adjust VR501 make luminance is 38 ~ 42
FL.
Adjust VR502 make luminance is 80 ±3
FL.
Then make sure Full White luminance
whether it is 38 ~ 42 FL.
Adjust VR305 make V-Linearity of picture
is in the best condition.
ADJUSTMENT
ITEM
TIMING
PATTERN SETTING VR
LOCATION ADJUSTMENT PROCEDURE
WHITE BAL-
ANCE AD-
JUSTMENT
and
LUMINANCE
ADJUSTMENT
PATTERN GENERATOR
NO SIGNAL
PATTERN GENERATOR
FULL WHITE
BRIGHT VR ,
CONTRAST VR
and SHARPNESS
VR TO MAX.
BRIGHT VR ,
CONTRAST VR
and SHARPNESS
VR TO MAX.
VR801,VR802,
VR803,VR804,
VR805,
FBT SCREEN
VR
VR804,VR802,
VR501
VR801,VR802,VR803,VR804 and VR805
is center position.
Adjust the VR801, VR803 and FBT
SCREEN VR to dark gray with screen.
Adjust the VR802 and VR804 to white
gray with screen.
Adjust the VR501 it makes the screen of
the monitor proper brightness.
The way of adjusting it which a color analyzer is not used for.

–8 –
10 987
6
5
4
3
2
1
11
12
13
T502
IC202
1
T902
Q804
Q802
Q806
D910
ZD501
FBT
VR502
LUMI
IC101
1
F901
PIN
VR305
VR302
V-LIN
VR301
V-SIZE
VR501
ABL
VR306
H-SIZE
VR303
V-CENTER
VR503
X-RAY VR401
H-PHASE
VR804
R-GAIN
VR801
R-BAIS
VR803
B-BAIS
VR805
G-BAIS
VR802
B-GAIN
Fig. 7
Fig. 8
MAIN BOARD
(Parts side)
VIDEO BOARD
(Parts side)

9
4. PARTS LIST
N.S.P.: Not available as service parts.
LOCATION PARTS NO. DESCRIPTION LOCATION PARTS NO. DESCRIPTION
CABINET & CHASSIS PARTS
1 645 048 3462 FRONT PANEL 19" AA-51
2 645 048 3431 DIGITAL 19" AA-51
3 645 048 3479 CONTROL PANEL 19" AA-51
4 645 048 3493 SW KNOB 19" AA-51
5 645 046 6458 SW ASS’Y CH-19DXA
6 645 066 3406 FUNCTION BOARD CH-15DXA
7 645 046 4829 PH SCREW 3*8MM
8 645 034 3605 RH W/W SCR. 3*8MM
9 645 048 3486 SPEAKER PANEL 19" AA-51
10 645 046 6441 SPEAKR S9711-22NQ4171C 8OHM/1W
11 645 046 4829 PH SCREW 3*8MM
12 645 046 4874 BH SCREW 3*12MM
13 645 046 6212 BRACKET RIGHT CH-19DXA
14 645 046 6229 BRACKET LEFT CH-19DXA
15 645 046 4836 PH SCREW 4*12MM
16 645 048 3523 HOLD PLUG CH-19DXA 15DIA AA-51
17 645 046 5840 CRT M46AJN13X46 0.27MM SS
18 645 046 4928 RUBBER WASHERDIA20*DIA6*1T
19 645 046 4966 WASHER 6.5*19*1MM
20 645 046 4843 PH SCREW 6*12MM
21 645 040 9226 X RADIATION 110*50MM (N.S.P.)
22 645 051 1134 DEGAUSSING COIL CH-19DXA
23 645 046 6656 VIDEO BOARD CH-19DXA
24 645 046 6359 METAL CABINET CH-19DXA AA-51
25 645 034 3919 HANDLE COVER CM-14 PA-765A
26 645 034 3582 PH W/W SCR. 4*8MM
27 ID LABEL 83*51MM (N.S.P.)
28 645 034 3612 SCREW+WASHER 3*6MM
29 645 066 3376 MAIN BOARD CH-19DXA NEW
30 645 046 0722 PCB GUIDE RAIL MM-9M
31 645 034 4299 PCB GUIDE RAIL MM-12A
32 645 046 6311 BASE CH-19DXA
33 645 034 3582 PH W/W SCR. 4*8MM
34 645 034 4657 FOOT PAD GL-24H
35 645 034 3926 FOOT PAD RIVET MM-12A GL-24H
36 645 046 4850 PH W/W SCR. 3*6MM
37 645 048 3585 SPACER SUPPORTS FCT-14
38 645 046 6236 REPAIR BOTTOM CH-19DXA
39 645 046 6380 SHIELDING PLATE DXA SERIES
40 645 046 6748 SIGNAL BOARD CH-19DXA/CM-9DXA
41 645 046 6281 RACK PLATE CM-21DXA
42 645 046 6526 AC SOCKET ASS’Y MM-20A
43 645 035 6216 BH SCREW 4*6MM
44 645 035 6223 WASHER OUT TEETH 4.5*8.5*0.5MM
45 645 046 6427 JACK PLATE CH-19DXA AA-51
46 645 046 4850 PH W/W SCR. 3*6MM
47 645 034 3605 RH W/W SCR. 3*8MM
48 645 034 3940 CORDS EDGE PROTECTOR AMB-1C
49 645 046 6373 GND PLATE DX SERIES 20*13*0.5
435687
2
91
16
47
10
15
14
11
13 12
30
18
17 20
22
19
21
23 24
25
26
28
27
29
46
45
44
43
42
41
40
39
38
36 37
34
35
33
32
48
31
49

10
ELECTRICAL PARTS
LOCATION PARTS NO. DESCRIPTION LOCATION PARTS NO. DESCRIPTION
Note:
1. Materials of Capacitors and Resistors are abbreviated as follows ;
Resistors Capacitors
CF RES Carbon Film Resistor MEF CAP Metallized Polyester Film Capacitor
MF RES Metal Film Resistor (Non-inductive)
MOF RES Metallized Oxide Film Resistor MEMB CAP Mini Box Metallized Polyester Capacitor
(Non-inductive)
PEI CAP Polyester Film Capacitor (Inductive)
PPN CAP Polypropylene Film Capacitor (Non-inductive)
PPS CAP Polypropylene and Metallized Polypropylene
Film Capacitor (Non-inductive)
MPP CAP Metallized Polypropylene Capacitor
(Non-inductive)
X CAP(MKP) Metallized Polypropylene Film Capacitor
(Non-inductive)
CC CAP Ceramic Capacitor
EC CAP Electrolytic Capacitor
2. N.S.P. : Not available as service parts.
SW ASS’Y CH-19DXA
645 046 6458
(MISCELLANEOUS)
645 046 5086 POWER SWITCH PS3-22SP-W4CW
645 051 0779 L/W HOUSING 1015 18AWG L=460MM
AC SOCKET ASS’Y MM-20A
645 046 6526
(MISCELLANEOUS)
645 034 3988 POWER SOCKET SS-120E
645 046 5550 L/W HOUSING B/G&Y/B 1015 18AWG
VIDEO BOARD CH-19DXA
645 046 6656
(CAPACITORS)
C801 645 034 2615 EC CAP 100UF 25 V
C803 645 043 3191 CC CAP 271PF 50V Y5P
C804 645 043 3191 CC CAP 271PF 50V Y5P
C805 645 043 3191 CC CAP 271PF 50V Y5P
C806 645 043 3139 CC CAP 103PF 1.5KV Z5U
C807 645 034 2707 EC CAP 22UF 250 V
(DIODES)
D805 645 046 0234 RECTIFIER DIODE PG106R
D810 645 046 0234 RECTIFIER DIODE PG106R
D815 645 046 0234 RECTIFIER DIODE PG106R
(SEMICONDUCTORS)
Q801 645 034 3216 TR 2SC1815GR
Q802 645 040 9110 TR 2SC2688L
Q803 645 034 3216 TR 2SC1815GR
Q804 645 040 9110 TR 2SC2688L
Q805 645 034 3216 TR 2SC1815GR
Q806 645 040 9110 TR 2SC2688L
(RESISTORS)
R801 645 040 8892 MOF RES 8.2KOHM 3W +/-5%
R803 645 034 2141 CF RES 3.3KOHM 1/4W +/-5%
R804 645 034 2387 CF RES 91OHM 1/4W +/-5%
R808 645 034 2141 CF RES 3.3KOHM 1/4W +/-5%
R809 645 034 2387 CF RES 91OHM 1/4W +/-5%
R813 645 034 2141 CF RES 3.3KOHM 1/4W +/-5%
R814 645 045 9610 CF RES 200OHM 1/4W +/-5%
R816 645 046 3235 MOF RES 220KOHM 1/2W +/-5%
R817 645 040 8892 MOF RES 8.2KOHM 3W +/-5%
R819 645 034 2417 MF RES 2.2KOHM 1/2W +/-1%
R824 645 034 2417 MF RES 2.2KOHM 1/2W +/-1%
R825 645 040 8892 MOF RES 8.2KOHM 3W +/-5%
R826 645 034 2417 MF RES 2.2KOHM 1/2W +/-1%
(VARIABLE RESISTORS)
VR801 645 046 4805 POT VR METEL 5KOHM 6DIA
VR802 645 048 3370 POT VR METAL 200OHM 6D.
VR803 645 034 3469 POT VR METAL 10KOHM 6D.
VR804 645 048 3370 POT VR METAL 200OHM 6D.
VR805 645 046 4805 POT VR METEL 5KOHM 6DIA
(MISCELLANEOUS)
SK801 645 046 5246 CRT SOCET 8PIN 29D.
W801 645 034 3773 CONNECTOR BASE M241855 (N.S.P.)
W802 645 034 3759 CONNECTOR BASE M241854-X (N.S.P.)
G2 645 034 3667 CONNECTOR BASE P235142 (N.S.P.)
GND1 645 034 3698 CONNECTOR BASE M11352 (N.S.P.)
SGP801 645 038 5520 SPARK GAP 250V +/-20%
SGP802 645 038 5520 SPARK GAP 250V +/-20%
SGP803 645 038 5520 SPARK GAP 250V +/-20%
MAIN BOARD CH-19DXA NEW
645 066 3376
(CAPACITORS)
C101 645 065 0567 EC CAP 4.7UF 50V 105 DEGREE C
C102 645 034 2837 CC CAP 104PF 50V Y5V
C103 645 065 0475 EC CAP 220UF 16V 105 DEGREE C
C104 645 046 3853 CC CAP 33PF 50V Y5P
C105 645 046 3853 CC CAP 33PF 50V Y5P
C107 645 055 0096 EC CAP 10UF 50V 105 DEGREE C
C108 645 055 0096 EC CAP 10UF 50V 105 DEGREE C
C109 645 055 0096 EC CAP 10UF 50V 105 DEGREE C
C110 645 066 2690 EC CAP 330UF 16V 105 DEGREE C
C111 645 055 0096 EC CAP 10UF 50V 105 DEGREE C
C112 645 055 0096 EC CAP 10UF 50V 105 DEGREE C
C120 645 034 2967 PEI CAP .0047UF 50V +/-5%
C121 645 034 3025 MEMB CAP .22UF 63V +/-5%
C122 645 046 4287 MEMB CAP .1UF 63V +/-5%
C123 645 046 4287 MEMB CAP .1UF 63V +/-5%
C124 645 046 4287 MEMB CAP .1UF 63V +/-5%
C125 645 034 2837 CC CAP 104PF 50V Y5V
C126 645 055 0171 EC CAP 2.2UF 50V 105 DEGREE C
C127 645 034 2837 CC CAP 104PF 50V Y5V
C128 645 055 0102 EC CAP 100UF 16V 105 DEGREE C
C130 645 055 0171 EC CAP 2.2UF 50V 105 DEGREE C
C132 645 055 0102 EC CAP 100UF 16V 105 DEGREE C
C133 645 034 2837 CC CAP 104PF 50V Y5V
C218 645 046 4287 MEMB CAP .1UF 63V +/-5%
C219 645 046 4003 PEI CAP .022UF 100V +/-5%
C221 645 046 4287 MEMB CAP .1UF 63V +/-5%
C222 645 055 0096 EC CAP 10UF 50V 105 DEGREE C
C223 645 055 0218 EC CAP 47UF 25V 105 DEGREE C
C224 645 034 3049 MEMB CAP .47UF 63V +/-5%
C225 645 055 0096 EC CAP 10UF 50V 105 DEGREE C
C226 645 055 0171 EC CAP 2.2UF 50V 105 DEGREE C
C227 645 065 0536 EC CAP 470UF 16V 105 DEGREE C
C229 645 055 0218 EC CAP 47UF 25V 105 DEGREE C
C230 645 034 2837 CC CAP 104PF 50V Y5V
C231 645 046 3983 PEI CAP .0018UF 50V +/-5%
C232 645 046 3983 PEI CAP .0018UF 50V +/-5%