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Sony Trinitron PVM-8041Q User Manual

Sony Trinitron PVM-8041Q
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SERVICE
MANUAL
US
Model
Canadian
Model
PVM-8041Q
Chassis
No.
SCC-E96A-A
PVM-8044Q
Chassis
No.
SCC-E96C-A
SPECIFICATIONS
Video
signal
Color
system
PAL,
SECAM,
NTSC
3
58
,
NTSC+43
Resolution
PVM-8044Q
:
450
TV
lines
PVM-8041Q
:
250
TV
lines
Aperture
correction
-4.0
dB
-
+6.0
dB
(at
3.0
MHz)
Frequency
response
6.0
MHz
(-3.0
dB)
at
all
inputs
Synchronization
AFC
time
constant
1.0
msec.
Picture
performance
Normal
scan
6%
over
scan
of
CRT
effective
screen
Underscan
3%
underscan
of
CRT
effective
screen
area
H.
linearity
Less
than
7.0%
(typical)
V.
linearity
Less
than
7.0%
(typical)
Convergence
Central
area:
0.43mm
(typical)
Peripheral
area:
0.53mm
(typical)
Raster
size
stability
H:
1.0%,
V:
1.5%
High
voltage
regulation
3.0%
Color
temperature
D65
R/R-Y,
G/Y,
B/B-Y:
BNC
connector
R,
G,
B
channels:
0.7
Vp-p,
±6
dB
Sync
on
green
:
0.3
Vp-p,
negative,
75
ohms
terminated
R-Y,
B-Y
channels:
0.7
Vp-p,
±6
dB
Y
channel:
0.7
Vp-p,
±
6
dB
(Standard
color
bar
signal
of
75%
chrominance)
EXT
SYNC
IN:
BNC
connector
Composite
sync
4
Vp-p,
±6
dB,
negative
Loop-through
outputs
Y/C
OUT:
4-pin
mini
DIN
connector
VIDEO
OUT:
BNC
connector,
75
ohms
terminated
AUDIO
OUT:
phono
jack
EXT
SYNC
OUT:
BNC
connector,
75
ohms
terminated
AUDIO
OUTPUT
0.5W
Tally/remote
input
TALLY/REMOTE:
8-pin
mini
DIN
connector
(See
the
pin
assignment
on
page
2.)
General
Inputs
and
Outputs
Power
consumption
45
W
Max
at
AC
operation
38
W
at
DC
operation
Inputs
Y/C
IN:
4-pin
mini
DIN
connector
(See
the
pin
assignment
on
page
2.)
VIDEO
IN:
BNC
connector
1
Vp-p
±
6dB,
sync
negative
AUDIO
IN:
phono
jack,
-5
dBs,
less
than
47k
ohms
-
Continued
on
next
page
-
TRINITRON
.COLOR
VIDEO
MONITOR
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Sony Trinitron PVM-8041Q Specifications

General IconGeneral
Screen Size8 inches
Aspect Ratio4:3
Display TypeCRT
Weight6.5 kg
Tube TypeTrinitron
Input TypesComposite, S-Video
AudioBuilt-in speaker

Summary

Specifications

Video Signal Specifications

Details for video signal types, resolution, and frequency response.

Picture Performance Specifications

Parameters for picture quality like linearity, convergence, and stability.

Input and Output Connectors

Lists and describes the various input and output connectors.

General Specifications

General technical parameters like power consumption.

Pin Assignments

Y/C IN Connector Pinout

Pin details for the 4-pin mini DIN Y/C input connector.

Tally/Remote Connector Pinout

Pin details for the 8-pin mini DIN Tally/Remote connector.

Safety Check-Out Procedures

Post-Repair Safety Checks

Essential checks for safety before releasing the unit.

AC Leakage Testing

Procedures and limits for measuring AC leakage current.

Earth Grounding Procedures

Methods for finding a reliable earth ground connection.

General Information

Product Features

Overview of the monitor's key features and capabilities.

Controls and Part Identification

Identifies and describes the location and function of controls and parts.

Power Source Options

Details on how to power the monitor using AC or battery.

Disassembly Procedures

Cabinet Removal

Step-by-step guide for removing the monitor's outer cabinet.

B Board Removal

Instructions for safely removing the B board.

Switching Regulator Removal

Procedure for removing the switching regulator component.

D Board Removal

Steps for removing the D board from the chassis.

P Board Removal

Instructions on how to remove the P board.

Rear Assembly Removal

Guide for removing the rear assembly unit.

HA and FA Boards Removal

Steps for removing the HA and FA boards.

Picture Tube Removal and Handling

Procedures for removing the picture tube and anode cap.

Anode Cap Handling Precautions

Important precautions for handling the anode cap.

Set-Up Adjustments

Beam Landing Adjustment

Procedure for adjusting beam landing for optimal picture geometry.

Convergence Adjustments

Procedures for static and dynamic convergence adjustments.

Static Convergence Adjustment

Adjusting static convergence for the center of the screen.

Dynamic Convergence Adjustment

Adjusting dynamic convergence for the screen edges.

Focus Adjustment

Procedure for adjusting the picture focus.

White Balance Adjustment

Procedures for adjusting white balance and screen voltage.

Screen (G2) Voltage Adjustment

Adjusting the G2 voltage for white balance.

Safety Related Adjustments

Key Safety Adjustments

Critical adjustments related to safety compliance and operation.

B+ Max Confirmation (RV651)

Procedure for confirming B+ voltage maximum limits.

Hold-Down Circuit Confirmation (RV833)

Verifying and readjusting the hold-down circuit.

B+ Max DC Input Confirmation (RV1603)

Confirming B+ voltage during DC power input.

Circuit Adjustments

D Board Adjustments

Detailed adjustments for the D board.

Horizontal Oscillation Frequency Adjustment (RV503)

Adjusting the horizontal oscillation frequency.

Screen Phase Adjustments (RV502, RV512, RV516)

Adjusting screen phase parameters.

H.V Blanking Adjustments (RV501, RV516)

Adjusting horizontal and vertical blanking signals.

Vertical Deflection Adjustments (RV504-RV507)

Adjusting vertical deflection parameters.

Horizontal Deflection Adjustments (RV508-RV515, RV801)

Adjusting horizontal deflection parameters.

Pin Amp, Phase, Angle, and Bow Adjustments

Adjusting pin amp, phase, angle, and bow distortion.

HV Delay Adjustment (RV831, RV832)

Adjusting the horizontal and vertical HV delay.

Shut-Down Voltage Adjustment (RV1602)

Adjusting the shut-down voltage control.

B+ Voltage DC Operate Adjustment (RV1601)

Adjusting B+ voltage during DC operation.

B Board Adjustments

Primary Color Matrix Adjustment (RV115-RV116, RV123)

Adjusting the primary color matrix.

Burst Gate Pulse Width Adjustment (RV109)

Adjusting the burst gate pulse width.

VXO Adjustment (CV101, CV102)

Adjusting the Voltage Controlled Oscillator.

NTSC Comb Filter Adjustment

Adjusting the NTSC comb filter for improved detail.

NTSC Color Demodulation Adjustment

Adjusting NTSC color demodulation parameters.

NTSC 4.43MHz Color Demodulation Adjustment

Adjusting NTSC 4.43MHz color demodulation.

PAL Color Demodulation Adjustment

Adjusting PAL color demodulation parameters.

PAL Color Adjustment (RV110)

Adjusting the PAL color signal level.

PAL Color (R-Y) Adjustment (RV105)

Adjusting PAL color R-Y signal level.

Chroma H Pulse Position Adjustment

Adjusting chroma horizontal pulse position.

Sub-Sharp Adjustment (RV205)

Adjusting the sub-sharpness control.

S Board Adjustments

SECAM Adjustments

Procedures for adjusting SECAM signals.

Bell Filter Adjustment (T1101)

Adjusting the bell filter for smooth chroma waveform.

Color Balance Adjustment (L1102, L1103)

Adjusting color balance for flat non-colored portions.

Demodulation Level Adjustment (RV1101, RV1102)

Adjusting demodulation signal levels.

Exploded Views

Picture Tube Exploded View

Diagram showing the picture tube assembly and its parts.

Electrical Parts List

Capacitor List

List of capacitors used in the unit with part numbers.

Band Pass Filter List

List of band pass filters with part numbers.

Connector List

List of connectors with part numbers.

Trap Module List

List of trap modules with part numbers.

Trimmer List

List of trimmers with part numbers.

Diode List

List of diodes with part numbers.

Integrated Circuit (IC) List

List of integrated circuits with part numbers.

Coil List

List of coils with part numbers.

Transistor List

List of transistors with part numbers.

Resistor List

List of resistors with part numbers.

Module List

List of modules with part numbers.

Crystal List

List of crystals with part numbers.

Neon Lamp List

List of neon lamps with part numbers.

Transformer List

List of transformers with part numbers.

Miscellaneous Components

List of miscellaneous components.

Accessories and Packing Materials

Instruction Manual

Reference to the instruction manual.

Individual Carton (PVM-8041Q)

Packing material for PVM-8041Q.

Individual Carton (PVM-8044Q)

Packing material for PVM-8044Q.

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