Sony KV-32FQ85B Service Manual ▷ View online
- 21 -
4-1. Electrical Adjustments
Service adjustments to this model can be performed using the
supplied remote Commander RM-942.
supplied remote Commander RM-942.
SECTION 4 CIRCUIT ADJUSTMENTS
Programming the Remote Commander for
Operation in Service Mode
Operation in Service Mode
Setting the TV into Service Mode
1.
Program the remote commander for operation in Service
Mode as described above.
Mode as described above.
2.
Turn on the TV main power switch.
3.
Press the ‘aux/video’ standby button
on the remote
commander twice.
‘TT ’ will appear in the upper right corner of the screen.
Other status information will also be displayed.
‘TT ’ will appear in the upper right corner of the screen.
Other status information will also be displayed.
4.
Press ‘MENU’ on the remote commander to obtain the
following menu on the screen.
5.
Move to the corresponding adjustment item using the
up or down arrow buttons on the Remote Commander.
up or down arrow buttons on the Remote Commander.
6.
Press the right arrow button to enter into the required menu item.
7.
Press the ‘aux/video’ button on the Remote Commander to quit
the Service Mode when all adjustments have been completed.
the Service Mode when all adjustments have been completed.
Note :
·
After carrying out the service adjustments, to prevent the
customer accessing the ‘Service Menu’ switch the TV set
OFF and then ON.
customer accessing the ‘Service Menu’ switch the TV set
OFF and then ON.
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3.
To return the remote commander to normal operation mode
repeat step 1. then press 00000. The TV LED should light.
The remote commander is now set to normal mode.
repeat step 1. then press 00000. The TV LED should light.
The remote commander is now set to normal mode.
1.
Press and hold the left Mode Select button
until the VCR and DVD LED’s flash.
until the VCR and DVD LED’s flash.
2.
Press 99999. The TV LED should light.
The remote commander is now set to
Service Mode.
The remote commander is now set to
Service Mode.
- 22 -
Sub Brightness Adjustment
1.
Input a Monoscope pattern.
2.
Program the Remote Commander for operation in Service Mode.
[ See Page 21 ].
[ See Page 21 ].
3.
Press ‘AUX/VIDEO’ ‘AUX/VIDEO’ 13 on the Remote
Commander.
Commander.
4.
Adjust the ‘Sub-Brightness’ data so that there is barely a
difference between the 0 IRE and 10 IRE signal levels.
difference between the 0 IRE and 10 IRE signal levels.
1.
Input a video signal that contains a small 100% white area on a
black background.
black background.
2.
Connect an oscilloscope to Pin 10 of J7330 [C Board].
3.
Program the Remote Commander for operation in Service Mode.
[ See Page 21 ].
[ See Page 21 ].
4.
Adjust the Sub-Contrast
[ Using ‘AUX/VIDEO’ ‘AUX/VIDEO’ ‘11’ ] to obtain a voltage
of 114 +0/- 5V.
[ Using ‘AUX/VIDEO’ ‘AUX/VIDEO’ ‘11’ ] to obtain a voltage
of 114 +0/- 5V.
Sub Contrast Adjustment
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- 23 -
Test Mode 2 is available by programming the Remote Commander for
operation in Service Mode [ As shown on Page 21 ] then pressing the
‘AUX/VIDEO’ button twice, OSD ‘TT’ appears. The functions
described below are available by selecting the two numbers. To
release ‘Test mode 2’, press 00, or switch the TV set into Stand-by
mode.
operation in Service Mode [ As shown on Page 21 ] then pressing the
‘AUX/VIDEO’ button twice, OSD ‘TT’ appears. The functions
described below are available by selecting the two numbers. To
release ‘Test mode 2’, press 00, or switch the TV set into Stand-by
mode.
4-2. TEST MODE 2:
1.
Program the Remote Commander for operation in Service Mode.
[ See Page 21 ] and enter into the ‘Geometry’ service menu,
Wide mode adjustment.
[ See Page 21 ] and enter into the ‘Geometry’ service menu,
Wide mode adjustment.
2.
Select and adjust each item in order to obtain the optimum image.
Deflection System Adjustment
Sub Colour Adjustment
1.
Receive a PAL colour bar signal.
2.
Connect an oscilloscope to Pin 5 of CN7331 [C Board].
3.
Program the Remote Commander for operation in Service Mode.
[ See Page 21 ].
[ See Page 21 ].
4.
Adjust the ‘Sub Colour’
[ Using ‘AUX/VIDEO’ ‘AUX/VIDEO’ ‘12’ ] so that the Cyan,
[ Using ‘AUX/VIDEO’ ‘AUX/VIDEO’ ‘12’ ] so that the Cyan,
Magenta and Blue colour bars are of equal levels as indicated
below.
Same Level
B-Out Waveform
V LIN
BOW
V POS
H POS
PIN AMP
V TRAP
UP COR
ANGLE
LOW COR
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D
- 24 -
5-1. BLOCK DIAGRAMS (1)
Y17
Y16
W13
W8
W9
W11
W12
V9
V12
Y14
Y13
Y12
Y11
Y9
Y8
Y7
U20
T19
R18
V17
V18
U18
T18
W16
W17
W18
W19
V19
W20
Y20
Y18
Y15
W15
W14
W10
U1
IC1
MM_A09
MM_A07
MM_A04
MM_A03
MM_A01
MM_A11
MM_A13
MM_A10
MM_A06
MM_A00
MM_A02
MM_A05
MM_A08
MM_A12
MM_DQ14
MM_A(9)
PCI AD(0)
MS ( )
TRIMEDIA MEMORY STICK
V20
PCI AD00
V15
MM_DQ12
MM_DQ10
MM_DQ00
MM_DQ03
MM_DQ06
MM_DQ05
MM_DQ02
MM_DQ08
MM_DQ11
MM_DQ13
MM_DQ07
MM_DQ15
MM_DQ04
MM_DQ01
MM_DQ09
MMDQM(1)
MMDQM(0)
MM_CS1
MM_CAS
MM_WE
MM_RAS
MM_CLK1
MM_CKE1
?
?
K2
K1
L1
L2
M1
M2
N1
N2
P1
P2
R1
R2
R3
T1
?
M3
A6
B6
C6
A5
B4
C4
A3
A1
C2
B1
C1
D3
D1
B8
B9
A9
A7
P20
B2
A4
N19
N20
M18
M19
M20
K19
J20
R19
R20
G20
A8
PCI AD(1)
PCI AD(2)
PCI AD(3)
PCI AD(4)
PCI AD(5)
PCI AD(6)
PCI AD(7)
PCI AD(8)
PCI AD(9)
PCI AD(10)
PCI AD(11)
PCI AD(12)
PCI AD(13)
PCI AD(14)
PCI AD(15)
PCI AD(16)
PCI AD(17)
PCI AD(18)
PCI AD(19)
PCI AD(20)
PCI AD(21)
PCI AD(23)
PCI AD(24)
PCI AD(25)
PCI AD(26)
PCI AD(27)
PCI AD(28)
PCI AD(29)
PCI AD(30)
PCI AD(31)
PCI/CBE(0)
PCI/CBE(1)
PCI_INTC
SSI_I02
SSI_I01
PCI_INTD
VO_DATA(0)
TM_SDA
TM_SCL
12C_IRQ
VO_DATA(1)
VO_DATA(2)
VO_DATA(3)
VO_DATA(4)
VO_DATA(5)
VO_DATA(6)
VO_DATA(7)
PCI_INTB
PCI AD01
PCI AD02
PCI AD03
PCI AD04
PCI AD05
PCI AD06
PCI AD07
PCI AD08
PCI AD09
PCI AD10
PCI AD11
PCI AD12
PCI AD13
PCI AD14
PCI AD15
PCI AD16
PCI AD17
PCI AD18
PCI AD19
PCI AD20
PCI AD21
PCI AD23
PCI AD24
PCI AD25
PCI AD26
PCI AD27
PCI AD28
PCI AD29
PCI AD30
PCI AD31
PCI/CBE0
PCI/CBE1
PCI_INTC
V34_I02
V34_IO1
PCI_INTD
VO_DATA0
VO_DATA1
VO_DATA2
VO_DATA3
VO_DATA4
VO_DATA5
VO_DATA6
VO_DATA7
TM_SDA
TM_SCL
TRI:USER IRQ
PCI_INTB
MM_A(7)
MM_A(4)
MM_A(3)
MM_A(1)
MM_A(11)
MM_A(13)
MM_A(10)
MM_A(6)
MM_A(2)
MM_A(0)
MM_A(5)
MM_A(8)
MM_A(12)
MM DQ(14)
MM DQ(12)
MM DQ(10)
MM DQ(0)
MM DQ(3)
MM DQ(6)
MM DQ(5)
MM DQ(2)
MM DQ(8)
MM DQ(11)
MM DQ(13)
MM DQ(7)
MM DQ(15)
MM DQ(4)
MM DQ(1)
MM DQ(9)
MMDQM(1)
MMDQM(0)
MM_CS1
MM_CAS
MM_WE
MM_RAS
MM_CLK1
MM_CKE1
MM_A(0)
44
42
13
11
10
8
7
5
4
2
35
36
21
22
34
33
32
31
30
29
26
25
24
23
50
48
47
45
53
51
IC3
MM_A(1)
MM_A(2)
MM_A(3)
MM_A(4)
MM_A(5)
MM_A(6)
MM_A(7)
MM_A(8)
MM_A(9)
MM_A(10)
MM_A(11)
MM_A(12)
MMVA(13)
MM_DQ(0)
MM_DQ(1)
MM_DQ(2)
MM_DQ(15)
MM_DQ(3)
MM_DQ(4)
MM_DQ(5)
MM_DQ(6)
MM_DQ(7)
MM_DQ(8)
MM_DQ(9)
MM_DQ(10)
MM_DQ(11)
MM_DQ(12)
MM_DQ(13)
MM_DQ(14)
15
39
17
20
18
16
37
38
MMDQM(1)
MMDQM(0)
MM_CS1
MM_CAS
MM_WE
MM_RAS
MM_CLK1
MM_CKE1
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
BA1
NC36
A11
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
DQ8
DQ9
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15
DQMU
DQML
BA0
CAS
WE
RAS
CLK
CKE
1
PCI_AD(16)
21
20
19
18
17
16
10
9
8
7
6
5
4
3
2
PCI_AD(15)
PCI_AD(14)
PCI_AD(13)
PCI_AD(12)
PCI_AD(11)
PCI_AD(10)
PCI_AD(9)
PCI_AD(20)
PCI_AD(21)
PCI_AD(19)
PCI AD(18)
PCI AD(8)
PCI AD(7)
PCI AD(6)
PCI AD(5)
28
22
23
24
25
29
31
33
35
38
40
42
44
45
18
11
12
OE
A15
A4
A13
A12
A11
A10
A9
A8
A19
A2
A18
A17
A7
A6
A5
A4
WE
DQ15/A_1
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ0
A0
A1
A2
A3
RESET
IC8
PCI CBE(0)
PCI CBE(1)
PCI_AD(17)
PCI_AD(0)
PCI_AD(31)
PCI_AD(30)
PCI_AD(29)
PCI_AD(28)
PCI_AD(27)
PCI_AD(26)
PCI_AD(25)
PCI_AD(24)
PCI_AD(1)
PCI_AD(2)
PCI_AD(3)
PCI_AD(4)
FLASH RESET
16
VO_DATA(0)
42
41
9
10
11
12
13
14
15
27
30
23
24
29
26
VBS
MP0
MP1
MP2
MP3
MP4
MP5
MP6
MP7
SCL
SDA
GREEN
BLUE
C
RED
CVBS
IC15
VO_DATA(1)
VO_DATA(2)
VO_DATA(3)
VO_DATA(4)
VO_DATA(5)
VO_DATA(6)
VO_DATA(7)
TM-SCL
TM-SDA
13
TM_SCL
3
2
14
9
10
IC11
TM_SDA
12C_IRQ
PCI CBE(1)
1
PCI_AD(23)
13
9
2
6
IC12
PCI_INTB
TV_SCL
TV_SDA
FLASH RESET
PC
I C
B
E(1
)
PC
I_
AD
(2
3
)
TV_SDA
TV_SCL
V_R_CVBS
Y_G
U_B_C
7
11
15
12
8
CN1
CN3
MEMORY
STICK
4
2
8
6
MS_BS
MS_SD10
MS_SCLK
MS_NS
PCI_INTC
SSI_I02
SSI_I01
PCI_INTD
IC3600
AUDIO/VIDEO SWITCH
RIGHT OUT
RIGHT IN
LEFT OUT
LEFT IN
BLUE IN
MODE
GREEN IN
RED IN
BLANKING
VIDEO OUT
VIDEO IN
RIGHT OUT
RIGHT IN
LEFT OUT
LEFT IN
BLUE IN
MODE
GREEN IN
RED IN
BLANKING
VIDEO OUT
VIDEO IN
RIGHT OUT
RIGHT IN
LEFT OUT
LEFT IN
MODE
C IN
VIDEO OUT
VIDEO IN
C
Y/CVBS
L
R
2
9
11
13
14
15
17
18
19
20
23
24
25
26
27
28
29
30
32
33
34
35
36
37
38
39
40
41
43
45
47
49
51
54
56
58
60
62
64
BUFFER
AMP
Q3656
V-OUT-35
BUFFER
AMP
Q3657
BUFFER
AMP
Q3658
BUFFER
AMP
Q2602
BUFFER
AMP
Q2603
V-OUT-25
V-OUT-15
SC2-OUT-L
SC2-OUT-R
SPEAKER L
CN3601
CN3602
CN3603
TO H1 BOARD
CN2911
AV3
AV2
AV1
V-OUT-15
V-OUT-25
CVBS/Y MAIN
C-MAIN
SCL
SDA
MUTE
MODE 1
MODE 2
MODE 3
SPEAKER-L
SPEAKER-R
L-ANALOG RF
FRONT-L
SC3 IN-L
SC2 IN-L
SC1 IN-L
L-DIGITAL RF
FRONT-R
R-ANALOG RF
V-ANALOG RF
V-DIGITAL RF
V-IN-1
V-IN-2
V-IN-3
C-IN-3
Y/CVBS-FRONT
C-FRONT
C SLAVE
CVBS/Y SLAVE
V-OUT-35
SC3 OUT-L
SC3 OUT-R
SC1 OUT-L
SC1 OUT-R
R-DIGITAL RF
SC2-IN-R
SC3-IN-R
SC1-IN-R
MUTE
SWITCH
Q2604
9V
AC ON-OFF
V-OUT-2B
V-OUT-3B
V-OUT-1B
SPEAKER R
CVBS DIGITAL RF
CVBS/Y MAIN
C-MAIN
C SLAVE
BLUE 1
CVBS/Y SLAVE
GREEN 1
RED 1
BLK 1 FS1
GREEN 2
BLUE 2
R SPEAKER/HP
L-DIGITAL RF
BLK 2
L SPEAKER/HP
RED 2
R-DIGITAL RF
R-ANALOG RF
AV LINK
L-ANALOG RF
SDA
SCL
CVBS/ANALOG RF
35
33
32
29
26
25
23
22
20
19
17
16
15
14
12
11
10
9
7
6
4
3
1
TO A BOARD
CN3002
CN3604
LAST RF
AV3 IN R
AV2 OUT
CVBS Y MAIN
C MAIN
SCL
SDA
MUTE
MODE 1
MODE 2
MODE 3
AV2 OUT L/SPKR L
AV2 OUT L/SPKR R
ANALOG RF-L
FRONT L
AV3 IN-L
AV2 IN-L
AV1 IN-L
DIGITAL RF
ANALOG RF-R
FRONT R
AV2 I R
AV1 IN R
DIGITAL RF
AV1 OUT R
AV3 OUT R
AV3 OUT L
AV3 OUT CVBS
Y SLAVE
C SLAVE
FRONT C
AV3 IN C
FRONT Y
AV3 IN Y
AV2 IN Y
AV1 IN CVBS
DIGITAL RF
ANALOG RF
AV1 OUT L
J ( )
AV SCART I/O
SWITCHING AND
SOCKETS
1
2
3
6
7
8
11
15
16
19
20
1
2
3
6
7
8
11
15
16
19
20
1
2
3
6
8
15
19
20
1
3
5
8
CN3600
DYNAMIC
FOCUS
T8900
D2 ( )
14
G2
16
FV
1
18
19
12
15
13
HV
17
8
9
7
10
5
6
4
3
11
HV OVERSHOOT
PROTECT
Q6808, Q6809
SS RESET
Q6804,
Q6806
ABL
PROTECT
Q6810
8
4
DYNAMIC
FOCUS
Q8900
1
3
7
5
6
1
2
3
BUFFER
Q6801
16
12
1
9
15
2
Q6802,
Q6803
RECT+
V SENSE
F/B
VG(H)
VS
VG(L)
IC6802
DRIVER
AC-HOP-VCC
1
IC6801
PROTECTION IC
IC6800
IC6803
SWITCHING
MOSFET
CATHODE
REF
T6800
4
HV-PROT
HPROT
CN6803
SMART MODE
DEFLECTION
4
CN6802
TO G BOARD
CN6007
OCP
RECT-
1
3
2
1
2
3
IC6804
CONTROLLER
7
5
6
4
2
PH6800
PHOTOCOUPLER
1
7
3
4
1
2
DF DRIVE
EPG MODE
AC MONITOR
NOT
USED
ABL-COMP
TO A BOARD
CN6900
TO D BOARD
CN8900
CN6801
DYNAMIC
FOCUS
Q8901
2
+9V
BUFFER
AMPLIFIER
Q7320, Q7321
PICTURE TUBE
CN7331
R
TO D2 BOARD
HV (T6800)
R
G
B
HV
IC7320
VIDEO OUT (BLUE)
IC7310
VIDEO OUT (GREEN)
8
VOC
IC7300
VIDEO OUT (RED)
8
9
10
13
5
HEATER
G2
RV7330
CN7330
TO D BOARD
CN8214
J7330
C
(
)
R, G, B OUT
3
VIN
1
2
3
4
5
6
9
R REF
G
G REF
B
B REF
IK
TO B BOARD
CN3400
BUFFER
AMPLIFIER
Q7300, Q7301
8
VOC
3
VIN
8
VOC
3
VIN
BUFFER
AMPLIFIER
Q7310, Q7311
BUFFER
Q7330
IK
IK
IK
5
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