Sony KE-42M1 Service Manual ▷ View online
KE-42M1 (WB) 1-5E
1-8. H1 AND H3 BOARDS REMOVAL
1-9. H2 BOARD REMOVAL
1
Six screws
(+BVTP 3x12)
2
Front terminal assy
3
Two screws
(+BVTP 3x12)
4
H3 board
5
Two screws
(+BVWHTP 3x12)
6
H1 board
1
Two screws
(+BVTP 3x12)
2
H2 board
2-1
KE-42M1
KE-42M1
SECTION 2: ADJUSTMENTS
2-2. RESETTING DATA
The TEST RESET resets all the customers adjustable data on the set to
the factory defaults.
the factory defaults.
1. Enter into Service Mode.
2. Select TEST RESET from the Service Mode menu.
3. Press the POWER button on the remote to reset the customer data.
Set will turn off then on again and return to Service Mode.
2-3. AGING MODE
Aging mode is designed to remove image retention from the screen.
Note: Once you enter into Aging mode the remote commander no longer
functions with the set. To turn off the set push the Power Button on
the set.
the set.
1. Enter into Service Mode.
2. Select AGING MODE from the Service Mode menu.
3. When Aging is complete, turn the set off.
2-1. WHITE BALANCE ADJUSTMENTS
1. Input a grayscale pattern.
2. Enter into Service Mode.
3. Select ADJ ITEM from the Service Mode menu.
4. Press the MENU button on the remote to display the Customer
Menu.
5. From the Mode list select Pro.
6. Press the MENU button on the remote to clear the customer menu.
7. From the ADJ ITEM list do the following:
a. Adjust
R DRIVE, G DRIVE, and B DRIVE for correct white
balance in high lighted areas.
b. Adjust
R BKG, G BKG, and B BKG for correct white balance in
low lighted areas.
Note: Adjusments automatically save.
8. Repeat steps 4 through 7 for Standard and Vivid mode.
9. When changes are complete, turn the set off then back on.
2-2
KE-42M1
KE-42M1
2-4. PANEL VOLTAGE ADJUSTMENT
Note: Panel Voltage Adjustment must be performed whenever the panel
or the G2 Board is replaced.
1. Connect All White Video Signal to Video Input.
2. Adjust the following variable resistors:
Adjust the voltage of each part to the value specifi ed in the right
column.
TP6105
TP6107
TP6107
RV6825
RV6854
RV6504
RV6854
RV6504
Test Pin
TP6102
TP6103
TP6108
TP6103
TP6108
RV6847
RV6835
RV6835
Part
CN6109(5pin) VA
CN6112(1pin) VSCAN
CN6112(6pin) VS
CN6112(8pin) VSET
CN6111(10pin) VE
Volume
VIDEO NTSC3.58MHz 100% All White Signal
Voltage Specifi cation
Refer to the rear panel seal ±0.3V
Refer to the rear panel seal ±0.3V
Refer to the rear panel seal ±0.3V
VSET
VE
VSCAN
VS
Specification
Refer to the rear panel seal ±0.3V
Refer to the rear panel seal ±0.3V
Refer to the rear panel seal ±0.3V
Refer to the rear panel seal ±0.3V
Refer to the rear panel seal ±0.3V
Part
VA
Use an adjacent test pin for GND.
Video Signal Source
Reference Value
VSET
VE
Ref. Voltage
70V
-70V
175V
173V
165V
173V
165V
Part
VA
VSCAN
VS
2-5. REMOTE ADJUSTMENT BUTTONS AND
INDICATORS
MUTING
PICTURE WIDE
FAVORITES
TV VIDEO 1/2/3 VIDEO 4 VIDEO 5
F1
F2
MENU
SLEEP DISPLAY
MODE
SAT/
CABLE
POWER
FREEZE
TOP MENU
RESET PIC OFF MTS/SAP
GUIDE
TV/SAT
DVD/
VCR
VOLUME (+)
(Service Mode)
6
Item
(Data down)
(Data down)
ENTER
(Enter into
memory)
memory)
0
(Remove from
memory)
memory)
3
Item
(Data up)
(Data up)
RM-Y1003
5
(Device item
down)
down)
MUTING
(Enter into
memory)
memory)
1
Disp. (Item up)
2
(Device Item Up)
4
Disp. (Item down)
8
(Initialize)
DISPLAY
(Service Mode)
POWER
(Service Mode)
FUNCTION OF KEYS ON COMMANDER
• 1
: Changes adjustment item.
(item No. moves up)
• 4
: Changes adjustment item.
(item No. moves down)
• 2
: Changes adjustment category.
(category moves up)
• 5
: Changes adjustment category.
(category moves down)
• 3
: Changes data value. (up)
• 6
: Changes data value. (down)
Commander Function
Button Mode Description
MUTING + ENTER WRITE Writes data to NVM.
0 + ENTER READ Reads data from NVM.
8 + ENTER RESET Set the shipping condition.
(Be sure not to use usually)
KE-42M1 (WB) 3-1
3-1. BLOCK DIAGRAMS
(1)
AU Board
SECTION 3
DIAGRAMS
CN5500
A26
B25
B24
A24
A23
MODE
LINE MUTE
SP MUTE
HP MUTE
HP_DET
SLEEP_MUTE
CENT SP SW1
CENT SP SW2
EQ SW
CN5505
SCL_TU
SDA_TU
SDA_AP
SCL_AP
STBY5V
4
3
2
1
GND
SP L OUT
GND
SP R OUT
CN6500
AUDIO R
AUDIO L
1
3
4
AU9V
TH8800
IC8800
IC8501
AUDIO OUTPUT
IN1+
7
OUT1
4
AUDIO L
2
INV2+
OUT2
12
AUDIO R
BUFFER
7
6
5
1
2
3
1
3
5
2
4
IC8303
7
7
IC8302
4
2
5
3
1
MUTE
11
Q8605
Q8602
3
2
5
6
7
OP AMP
1
3
2
5
6
BUFFER
7
1
AUDIO L
AUDIO R
21
22
17
20
SELECTOR
13
3
12
14
11
15
1
2
4
5
9
10
AU
(TUNER,AUDIO AMP,POWER SUPPLY)
TO
B
UPU BOARD
CN9302
CN1001
BP BOARD
C
TO
1
OUTa
INb
AUDIO PROCE.
IC8100
16
33
14
35
3
2
5
6
7
OP AMP
OUTb
INa
SCL_AP
SDA_AP
SCL
SDA
23
22
10
9
5
2
4
1
14
15
11
12
3
13
T5500
7
5
6
3
2
1
AUDIO R
AUDIO L
Q8001
Q8002
CENT_SW2
CENT_SW1
7
OP AMP
1
2
3
6
5
TUNER
TU5500
15
14
12
8
5
2
1
POWER1
STBY5V
UNREG33V
UNREG10.5V
UNREG30V
CN7000
AU30V
UNREG10V
UNREG33V
STBY5V
POWER1
9V REG
IC7000
AU9V
2
4
4
2
+9V
IC7001
9V REG
2
1
IC7003
REG5V
IC7005
5V REG
CHOPPER
5V REG
4
IC7002
DC-DC CONV.
9
10
POWER3
POWER4
STBY1
STBY2
29
OUT1-U
27
OUT1-D
28
LL1
Q7000
D3.3V
D5V
Q7001
18
19
17
LL2
OUT2-D
OUT2-U
15
INV2
14
FB2
TO
G2 BOARD
CN6105
A
R
L
1
IC8000(1/2)
AU L
AU R
IC8000(2/2)
2
6
10
11
13
15
27
29
33
35
37
39
17
18
21
22
24
25
HP_DET
HP_R
HP_L
TUNER_VID
TU L
TU R
L IN
R IN
AUL
AUR
CENT+
CENT-
REG5V
D3.3V
UNREG10.5V
REG9V
B26
A27
B27
B28
B29
A30
B30
A31
B31
A32
A33
A34
A35
B35
B36
A37
A38
B38
B39
B40
A41
B41
B44
B45
A47
B50
A50
B48
TU_MUTE
F_MONO2
F_MONO1
ST
BIL
AFT
AGC
SCL_D
SDA_D
SDA_B_5V
SCL_B_5B
POWER4
POWER3
POWER1
DCIN ALERT
5V ALERT
3.3V ALERT
REG9V
D5V
D3.3V
STBY5V
D3.3V
D5V
REG9V
REG5V
D3.3V
AU9V
MODE
TU_MUTE
F_MONO2
F_MONO1
ST
BIL
AFT
AGC
SYNC_DET
B34
SYNC_DET
TB
D3.3V
REG5V
UNREG10.5V
+9V
Q8604
Q8701
Q8603
Q8601
Q8600
TBCONT
DET OUT2
DET OUT
L OUT
R OUT
MUTE
F MONO
MODE
SAP IND
ST IND
AFT OUT
RF AGC
SCL
SDA
5V
9V
30V
Q5509
Q5510
Q5511,Q5508
TU_MUTE
MODE
BIL
ST
AFT
AGC
F_MONO1
F_MONO2
Q5500
Q5501
Q5515
Q5513
Q5503,5506,5507
SCL_TU
SDA_TU
+5V
+9V
AUDIO L
AUDIO R
VIDEO
1
VIDEO
AUDIO L
AUDIO R
AUDIO L
AUDIO R
Q8100
Q8102
Q8606
62
SYNC DET
RESET
IC5500
Q5517
Q5505
PS5500
UNREG33V
D5502,5503
PS7001
IC8001
IC8600
IC8300
MUTE
MUTE
IC8601
HP_L_IN
HP_R_IN
Q8706
Q8301
HP_R_IN
HP_L_IN
Q5518
PS7000
VCC
24
SYNC
SEP.
Q5502,5504
D5500
IC8602
AUL
AUR
CENT+
CENT-
RESET
MUTE
D5V
UNREG10.5
Q8709
Q8708
Q8707
POWER4
POWER3
POWER1
+9V
IC8500
Q8501
Q8700
Q8703
IC8002
IC8301
G/E
AU9V
CENT+
CENT-
Q8000
DIAS
IC8700
Q8705
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