(Ra-5A Chassis) - Sony KD-34XBR2 Training Manual
Direct view & projection tvs
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Also See for KD-34XBR2:
- Service manual (342 pages) ,
- Operating instructions manual (86 pages) ,
- Dimensions (1 page)
Table of Contents
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Board
Circuits
CRT (RGB) Driver
A
H & V
Oscillators/Jungle
Both analog Tuners
Deflection NVM IC3013
Shading circuit
Flash focus buffers
Audio output
Convergence
AD
Processing
Flash Focus sensing
and processing
Video processing and
B
audio switching.
Closed caption/V Chip
Main Micro IC001
OSD (Menu)
RGB CRT signal
CR,
amplifiers
CG,
CB
HV Regulator circuit
D
HV Flyback
H Output Reg circuit
H. Drive & H. Output
V Output
Two Convergence Amp
packages (fused)
Dynamic Focus Output
RA-5A Chassis Board Replacement
Fuses
R3024-IC3002-
9Vreg
R3077-neg15V line
None
None
R8208=200V line
(video out)
PS8007=3A-CRT
filaments
PS8001=6-3A-
Conv Output
R8205-6=H
centering (global)
23. RA-5A PJ Chassis Board Replacement
Zeners
D3001-33V – tuner
D3004-5.1V-IC3006/56
protect
D3006-5.6V-Stby 5V OVP
D3025-5.6V- Stby 5V
OVP
Flash Focus sensor signal
protection-D1604-07.
D1602-5V-5Vline OVP
D1608-3.6V-3.3V line
OVP
None
None
D8028, D8038-HV Reg,
Out protect
D8036=HV Reg IC8008
protect
D8024=15V-H. Out
protect
D8002-3=+15V protect-
Vert Out
D8026=5.6V fdbk H.
pulse limiter
102
After board
replacement
Transplant memory
IC3013 containing
deflection parameters.
Complete
convergence or
transplant memory
IC1607 containing
convergence data and
do touch up
convergence.
Transplant memory
IC004 containing
system and user data.
** see note below
chart
No adjustments
Adj Focus (on FBT).
After ½ hour warm up,
enter the service
mode*, select
category " PJE" (2 or
#5 buttons) and
perform touch up
convergence
adjustments.
Adj. HV VR8001, 2 for
HV level and
shutdown according to
safety related adj. in
the service manual.
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