Sony XMM-R5WL / XVM-F65WL Service Manual ▷ View online
13
XVM-F65WL
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 11 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
specified 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: 4.7
± 0.1 V
Adjusting location: Monitor board
C
B
0V
A
14
XVM-F65WL
5-12. VIDEO ADJUSTMENT
Conditions: TEST MODE (See 11 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
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
15
XVM-F65WL
5-12-7. B Sub Contrast Adjustment
Adjustment Method:
1) Select B SUB CONT from the FOR FACTORY MODE.
2) Connect oscilloscope between TP715 (+) and TP710 (–).
3) Adjust so that the signal level G stands at the specified value
Adjustment Method:
1) Select B SUB CONT from the FOR FACTORY MODE.
2) Connect oscilloscope between TP715 (+) and TP710 (–).
3) Adjust so that the signal level G 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
5-12-8. γ 1 Adjustment
Adjustment Method:
1) Select Gamma1 from the FOR FACTORY MODE.
2) Connect oscilloscope between TP714 (+) and TP710 (–).
3) Adjust so that the signal level H stands at the specified value
Adjustment Method:
1) Select Gamma1 from the FOR FACTORY MODE.
2) Connect oscilloscope between TP714 (+) and TP710 (–).
3) Adjust so that the signal level H stands at the specified value
using the
R
and
r
keys on the remote controller.
Specified value: 2.1
± 0.15 V
Adjustment location: Monitor board
5-12-9. γ 2 Adjustment
Adjustment Method:
1) Select Gamma2 from the FOR FACTORY MODE.
2) Connect oscilloscope between TP714 (+) and TP710 (–).
3) Adjust so that the signal level I stands at the specified value
Adjustment Method:
1) Select Gamma2 from the FOR FACTORY MODE.
2) Connect oscilloscope between TP714 (+) and TP710 (–).
3) Adjust so that the signal level I stands at the specified value
using the
R
and
r
keys on the remote controller.
Specified value: 3.6
± 0.15 V
Adjustment location: Monitor board
5-12-10. VCO Free Run Adjustment
Adjustment Method:
1) Select VCO Free Run from the FOR FACTOR MODE.
2) Connect frequency counter between TP508 (+) and TP504 (–).
3) Adjust so that the reading on the counter stands at the specified
Adjustment Method:
1) Select VCO Free Run from the FOR FACTOR MODE.
2) Connect frequency counter between TP508 (+) and TP504 (–).
3) Adjust so that the reading on the counter stands at the specified
value using the
R
and
r
keys on the remote controller.
Specified value: 15,734
± 50 Hz
Adjustment location: Monitor board
5-12-11. V POS Adjustment
Adjustment Method:
1) Input mono scope signal from the NTSC pattern generator.
2) Select PLL/V POS from the FOR FACTORY MODE.
3) Observe the mono scope screen on the monitor and adjust so that
Adjustment Method:
1) Input mono scope signal from the NTSC pattern generator.
2) Select PLL/V POS from the FOR FACTORY MODE.
3) Observe the mono scope screen on the monitor and adjust so that
the screen is vertically symmetrical using the
R
and
r
keys on
the remote controller.
5-12-12. H POS Adjustment
Adjustment Method:
1) Input mono scope signal from the NTSC pattern generator.
2) Select H POS from the FOR FACTORY MODE.
3) Observe the mono scope screen on the monitor and adjust so that
Adjustment Method:
1) Input mono scope signal from the NTSC pattern generator.
2) Select H POS from the FOR FACTORY MODE.
3) Observe the mono scope screen on the monitor and adjust so that
the screen is horizontally symmetrical using the
R
and
r
keys
on the remote controller.
G
0V
H
0V
I
0V
16
XVM-F65WL
Adjustment Location:
– MONITOR BOARD – (SIDE A)
– MONITOR BOARD – (SIDE B)
RV652
RV351
RV352
IC601
RV651
T701
TP809
TP353
TP356
TP352
TP354
IC401
TP501
IC102
IC501
TP704
TP702
TP504
TP503
TP502
IC701
TP710
TP554
TP555
TP804
TP652
TP651
TP706
TP705
TP707
TP708
TP709
TP715
TP713
TP714
TP508
TP724
RV701
RV702
Click on the first or last page to see other XMM-R5WL / XVM-F65WL service manuals if exist.