Sony XVM-F65 Service Manual ▷ View online
9
XVM-F65
SECTION 4
TEST MODE
Setting Method:
1. Turn on power to the connection box XA-122/124.
2. Press the POWER key on the set to turn on the set.
3. Press the RESET key while pressing the INPUT and VOL–
1. Turn on power to the connection box XA-122/124.
2. Press the POWER key on the set to turn on the set.
3. Press the RESET key while pressing the INPUT and VOL–
Keys on the set. Then TEST MODE MENU appears.
Terminating Method:
Select the MENU No. 5, SOFT RESET using the MENU key on
the remote controller and determine the selection using the INPUT
key.
Select the MENU No. 5, SOFT RESET using the MENU key on
the remote controller and determine the selection using the INPUT
key.
The FOR FACTORY Mode:
The FOR FACTORY mode can be used to perform 13 different
adjustment items with the remote controller.
The FOR FACTORY mode can be used to perform 13 different
adjustment items with the remote controller.
1. Select the MENU No. 2, FOR FACTORY using the MENU key
on the remote controller and determine the selection using the
INPUT key.
INPUT key.
2. The FOR FACTORY mode is now entered. The following items
are selected in turn by pressing the INPUT key repeatedly.
3. For each item selected, adjust so that the adjustment value is
within the specified value range using the
R
and
r
keys on the
remote controller.
4. After adjustment, press the INPUT key on the remote controller
to determine the adjustment value. After that, it changes into the
following item.
following item.
5. After all necessary adjustments are completed, select EXIT
using the MENU key on the remote controller and press the
INPUT key to display the MENU screen. Then, select No.5,
SOFT RESET using the MENU key and determine the selec-
tion using the INPUT key to terminate the TEST mode.
INPUT key to display the MENU screen. Then, select No.5,
SOFT RESET using the MENU key and determine the selec-
tion using the INPUT key to terminate the TEST mode.
Com Gain
Y Gain
Black Limt
White Limt
R SUB BRT
B SUB BRT
R SUB CONT
B SUB CONT
Gamma1
Gamma2
VCO Free Run
PLL/V Pos
H Pos
Ver. 1.1
10
XVM-F65
SECTION 5
ELECTRICAL ADJUSTMENTS
5-1. EQUIPMENT USED
The following measuring equipment are used for these electrical
adjustments:
• Oscilloscope
• NTSC pattern generator
• Stabilized power supply
• Digital voltmeter
• Frequency counter
adjustments:
• Oscilloscope
• NTSC pattern generator
• Stabilized power supply
• Digital voltmeter
• Frequency counter
5-2. CONNECTION OF EQUIPMENT
Unless otherwise specified, the equipment should be connected as
shown below.
shown below.
5-3. SETUP FOR ADJUSTMENT
The 10-step gray scale signal from the NTSC pattern generator is
used as an adjustment
signal for V COM voltage/position adjustment as well as VIDEO
adjustment.
used as an adjustment
signal for V COM voltage/position adjustment as well as VIDEO
adjustment.
10-step gray scale signal (with burst), 1Vp-p, 75
Ω
5-4. DC-DC CONVERTER ADJUSTMENT
5-4-1. Frequency Adjustment
Adjustment Method:
1) Connect frequency counter between TP702 (+) and TP704 (–).
2) Adjust RV702 so that the reading on the counter stands at the
Adjustment Method:
1) Connect frequency counter between TP702 (+) and TP704 (–).
2) Adjust RV702 so that the reading on the counter stands at the
specified value.
Specified value: 243
± 3 kHz
Adjustment location: Monitor board
5-4-2. 5V Voltage Adjustment
Adjustment Method:
1) Connect digital voltmeter between TP707 (+) and TP710 (–).
2) Adjust RV701 so that the reading on the voltmeter stands at the
Adjustment Method:
1) Connect digital voltmeter between TP707 (+) and TP710 (–).
2) Adjust RV701 so that the reading on the voltmeter stands at the
specified value.
Specified value: 5.05
± 0.03 V
Adjustment location: Monitor board
5-4-3. Other Voltage Checks
Checking Method:
1) Connect digital voltmeter between TP708 (+) (Vdd) and
Checking Method:
1) Connect digital voltmeter between TP708 (+) (Vdd) and
TP710 (–).
2) Verify that the reading on the voltmeter is at 3.20
± 0.2 V.
3) Connect digital voltmeter between TP706 (+) (Vgh) and
TP710 (–).
4) Verify that the reading on the voltmeter is at 7.3
± 0.3 V.
5) Connect digital voltmeter between TP705 (+) (Vgh) and
TP710 (–).
6) Verify that the reading on the voltmeter is at 17.0
± 1.5 V.
7) Connect digital voltmeter between TP709 (+) (Vss) and
TP710 (–).
8) Verify that the reading on the voltmeter is at –12.0
± 1.5 V.
Checking location: Display board
5-5. PLL ADJUSTMENT
1. Frequency Adjustment
Adjustment Method:
1) Connect digital voltmeter between TP651 (+) and TP652 (–).
2) Adjust RV651 so that the reading on the voltmeter stands at the
Adjustment Method:
1) Connect digital voltmeter between TP651 (+) and TP652 (–).
2) Adjust RV651 so that the reading on the voltmeter stands at the
specified value.
Specified value: 2.2
± 0.15 V
Adjustment location: Monitor board
VIDEO OUT
(75 Ω)
NTSC pattern
generator
MONITOR
board
TP501(+)
TP502(–)
board
TP501(+)
TP502(–)
monitor
XVM-F65
XVM-F65
connection box
XA-122/124
XA-122/124
stabilized
power supply
14.4 V
power supply
14.4 V
GND
P
ARK
BA
TT
11
XVM-F65
5-6. INVERTER HIGH VOLTAGE CHECK
Condition: DIMMER switch OFF
5-6-1. Voltage Check
Checking Method:
1) Connect oscilloscope between TP809 (+) and TP804 (–) using
Checking Method:
1) Connect oscilloscope between TP809 (+) and TP804 (–) using
high voltage proof probes (100:1).
2) Verify that the reading on the oscilloscope is at 2.4
± 0.15 Vpp.
Checking location: Monitor board
5-6-2. Frequency Check
Checking Method:
1) Connect oscilloscope between TP809 (+) and TP804 (–) using
Checking Method:
1) Connect oscilloscope between TP809 (+) and TP804 (–) using
high voltage proof probes.
2) Verify that the reading on the oscilloscope is at 50
± 2.5 kHz.
Checking location: Monitor board
5-7. OSD DOT CLOCK CHECK
1. Dot Clock Check
Checking Method:
1) Connect frequency counter between TP555 (+) and TP554 (–).
2) Verify that the reading on the counter is at 6.5
Checking Method:
1) Connect frequency counter between TP555 (+) and TP554 (–).
2) Verify that the reading on the counter is at 6.5
± 0.2 MHz.
Checking location: Monitor board
5-8. NTSC SUBCARRIER CHECK.
1. Subcarrier Check
Checking Method:
1) Press the INPUT key on the remote controller and enter the
Checking Method:
1) Press the INPUT key on the remote controller and enter the
NTSC mode using the
R
and
r
keys.
2) Connect frequency counter between TP503 (+) and TP504 (–).
3) Verify that the reading on the counter is at 3.579545 MHz
3) Verify that the reading on the counter is at 3.579545 MHz
± 100
Hz.
Checking location: Monitor board
5-9. PAL SUBCARRIER CHECK
1. Subcarrier Check
Checking Method:
1) Press the INPUT key on the remote controller and enter the
Checking Method:
1) Press the INPUT key on the remote controller and enter the
PAL mode using the
R
and
r
keys.
2) Connect frequency counter between TP503 (+) and TP504 (–).
3) Verify that the reading on the counter is at 4.433619 MHz
3) Verify that the reading on the counter is at 4.433619 MHz
± 100
Hz.
Checking location: Monitor board
5-10. F0 FREQUENCY ADJUSTMENT
5-10-1. 3.2/3.8MHz (CH2) Adjustment
Adjustment Method:
LCH (3.2 MHz)
1) TP356 is connected to GND.
2) Connect frequency counter between TP354 (+) and TP353 (–).
3) Adjust RV352 so that the reading on the counter stands at the
Adjustment Method:
LCH (3.2 MHz)
1) TP356 is connected to GND.
2) Connect frequency counter between TP354 (+) and TP353 (–).
3) Adjust RV352 so that the reading on the counter stands at the
specified value.
Specified value: 3.2 MHz
± 3 kHz
RCH (3.8 MHz)
4) Connect frequency counter between TP352 (+) and TP353 (–).
5) Adjust RV351 so that the reading on the counter stands at the
4) Connect frequency counter between TP352 (+) and TP353 (–).
5) Adjust RV351 so that the reading on the counter stands at the
specified value.
Specified value: 3.8 MHz
± 3 kHz
Adjustment location: Monitor board
5-10-2. 2.3/2.8MHz (CH1) Check
Checking Method:
LCH (2.3MHz)
1) TP365 is made open.
2) Connect frequency counter between TP354 (+) and TP353 (–).
3) Verify that the reading on the counter is at 2.3 MHz
Checking Method:
LCH (2.3MHz)
1) TP365 is made open.
2) Connect frequency counter between TP354 (+) and TP353 (–).
3) Verify that the reading on the counter is at 2.3 MHz
± 30 kHz.
RCH (2.8MHz)
4) Connect frequency counter between TP352 (+) and TP353 (–).
5) Verify that the reading on the counter is at 2.8 MHz
4) Connect frequency counter between TP352 (+) and TP353 (–).
5) Verify that the reading on the counter is at 2.8 MHz
± 30 kHz.
Checking location: Monitor board
5-11. V COM VOLTAGE/POSITION ADJUSTMENT
Condition: TEST MODE (See 9 page)
1. Voltage Setup Adjustment
Adjustment method:
1) Select Com Gain from the FOR FACTORY MODE.
2) Connect oscilloscope between TP724 (+) and TP710 (–).
3) Adjust so that the p-p value A of the waveform stands at the
Adjustment method:
1) Select Com Gain from the FOR FACTORY MODE.
2) Connect oscilloscope between TP724 (+) and TP710 (–).
3) Adjust so that the p-p value A of the waveform stands at the
specified value using the
R
and
r
keys on the remote controller.
4) Adjust so that the level B on the negative side stands at the speci-
fied value using RV652.
5) Verify that the level C on the positive side stands at the specified
value.
Specified value A: 6.8
± 0.1 Vp-p
Specified value B: –2.1
± 0.1 V
Specified value C: 4.6
± 0.1 V
Adjusting location: Monitor board
C
B
0V
A
Ver. 1.1
12
XVM-F65
5-12. VIDEO ADJUSTMENT
Conditions: TEST MODE (See 9 page)
10-step gray scale signal input
NTSC mode
NTSC mode
5-12-1. Brightness Signal Contrast Level (Y GAIN)
Adjustment Method:
1) Select Y Gain from the FOR FACTORY MODE.
2) Connect oscilloscope between TP714 (+) and TP710 (–).
3) Adjust so that the signal level A stands at the specified value
Adjustment Method:
1) Select Y Gain from the FOR FACTORY MODE.
2) Connect oscilloscope between TP714 (+) and TP710 (–).
3) Adjust so that the signal level A stands at the specified value
using the
R
and
r
keys on the remote controller.
Specified value: 3.8
± 0.1 V
Adjustment location: Monitor board
5-12-2. Black Limiter Level Adjustment
Adjustment Method:
1) Select Black Limit from the FOR FACTORY MODE.
2) Connect oscilloscope between TP714 (+) and TP710 (–).
3) Adjust so that the signal level B stands at the specified value
using the
Adjustment Method:
1) Select Black Limit from the FOR FACTORY MODE.
2) Connect oscilloscope between TP714 (+) and TP710 (–).
3) Adjust so that the signal level B stands at the specified value
using the
R
and
r
keys on the remote controller.
Specified value: 1.05
± 0.15 V
Adjustment location: Monitor board
5-12-3. White Limiter Level Adjustment
Adjustment Method:
1) Select White Limit from the FOR FACTORY MODE.
2) Connect oscilloscope between TP714 (+) and TP710 (–).
3) Adjust so that the signal level C stands at the specified value
Adjustment Method:
1) Select White Limit from the FOR FACTORY MODE.
2) Connect oscilloscope between TP714 (+) and TP710 (–).
3) Adjust so that the signal level C stands at the specified value
using the
R
and
r
keys on the remote controller.
Specified value: 3.95
± 0.15 V
Adjustment location: Monitor board
5-12-4. R Sub Brightness Adjustment
Adjustment Method:
1) Select R SUS BRT from the FOR FACTORY MODE.
2) Connect oscilloscope between TP713 (+) and TP710 (–).
3) Adjust so that the signal level D stands at the specified value
Adjustment Method:
1) Select R SUS BRT from the FOR FACTORY MODE.
2) Connect oscilloscope between TP713 (+) and TP710 (–).
3) Adjust so that the signal level D stands at the specified value
using the
R
and
r
keys on the remote controller.
Specified value: 1.05
± 0.15 V
Adjustment location: Monitor board
5-12-5. B Sub Brightness Adjustment
Adjustment Method:
1) Select B SUS BRT from the FOR FACTORY MODE.
2) Connect oscilloscope between TP715 (+) and TP710 (–).
3) Adjust so that the signal level E stands at the specified value
Adjustment Method:
1) Select B SUS BRT from the FOR FACTORY MODE.
2) Connect oscilloscope between TP715 (+) and TP710 (–).
3) Adjust so that the signal level E stands at the specified value
using the
R
and
r
keys on the remote controller.
Specified value: 1.05
± 0.15 V
Adjustment location: Monitor board
5-12-6. R Sub Contrast Adjustment
Adjustment Method:
1) Select R SUB CONT from the FOR FACTORY MODE.
2) Connect oscilloscope between TP713 (+) and TP710 (–).
3) Adjust so that the signal level F stands at the specified value
Adjustment Method:
1) Select R SUB CONT from the FOR FACTORY MODE.
2) Connect oscilloscope between TP713 (+) and TP710 (–).
3) Adjust so that the signal level F stands at the specified value
using the
R
and
r
keys on the remote controller.
Specified value: 3.8
± 0.1 V
Adjustment location: Monitor board
A
0V
B
0V
C
0V
D
0V
E
0V
F
0V
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