Read Sony KV-HR32K90 Service Manual online
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KV-HR32K90
RM-1012
(CAUTION)
SHORT CIRCUIT THE ANODE OF THE PICTURE TUBE AND THE
ANODE CAP TO THE METAL CHASSIS, CRT SHIELD, OR CAR-
BON PAINTED ON THE CRT, AFTER REMOVING THE ANODE.
ANODE CAP TO THE METAL CHASSIS, CRT SHIELD, OR CAR-
BON PAINTED ON THE CRT, AFTER REMOVING THE ANODE.
WARNING!!
AN ISOLATION TRANSFORMER SHOULD BE USED DURING
ANY SERVICE TO AVOID POSSIBLE SHOCK HAZARD, BE-
CAUSE OF LIVE CHASSIS.
THE CHASSIS OF THIS RECElVER IS DIRECTLY CONNECTED
TO THE AC POWER LINE.
ANY SERVICE TO AVOID POSSIBLE SHOCK HAZARD, BE-
CAUSE OF LIVE CHASSIS.
THE CHASSIS OF THIS RECElVER IS DIRECTLY CONNECTED
TO THE AC POWER LINE.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY SHADING AND MARK
! ON
THE SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE
PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE
THESECOMPONENTS WITH SONY PARTS WHOSE PART NUM-
BERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLE-
MENTS PUBLISHED BY SONY. CIRCUIT ADJUSTMENTS THAT
ARE CRITICAL TO SAFEOPERATION ARE IDENTIFIED IN THIS
MANUAL. FOLLOW THESE PROCEDURES WHENEVER CRITI-
CAL COMPONENTS ARE REPLACED OR IMPROPER OPERA-
TION IS SUSPECTED.
PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE
THESECOMPONENTS WITH SONY PARTS WHOSE PART NUM-
BERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLE-
MENTS PUBLISHED BY SONY. CIRCUIT ADJUSTMENTS THAT
ARE CRITICAL TO SAFEOPERATION ARE IDENTIFIED IN THIS
MANUAL. FOLLOW THESE PROCEDURES WHENEVER CRITI-
CAL COMPONENTS ARE REPLACED OR IMPROPER OPERA-
TION IS SUSPECTED.
TABLE OF CONTENTS
Section
Title
Page
––––––
––––
––––
1. SELF DIAGNOSIS FUNCTION
................................... 5
2. DISASSEMBLY
2-1.
REAR COVER ASSEMBLY ...................................... 9
2-2.
CHASSIS ASSEMBLY ............................................... 9
2-3.
SERVICE POSITION ................................................. 9
2-4.
SPEAKER BOX ASSEMBLY .................................... 9
2-5.
UG BOARD .............................................................. 10
2-6.
BH AND MG BOARDS ........................................... 10
2-7.
A BOARD ................................................................. 10
2-8.
D BOARD ................................................................. 11
2-9.
SF BOARD ............................................................... 11
2-10. H3, H4, H5 AND HMG BOARD ............................. 11
2-11.
2-11.
HARNESS ARRANGEMENT ................................. 12
2-12. REMOVAL OF ANODE-CAP .................................. 13
2-13. CRT ........................................................................... 14
2-13. CRT ........................................................................... 14
3. SERVICE MODE
3-1.
METHOD OF SETTING THE SERVICE
ADJUSTMENT MODE ............................................ 15
ADJUSTMENT MODE ............................................ 15
3-2.
SERVICE MODE ADJUSTMENT ........................... 15
3-3.
MEMORY WRITE CONFIRMATION METHOD .. 15
3-4.
ADJUSTING BUTTONS AND INDICATOR ......... 15
3-5.
SERVICE MODE LIST ............................................ 16
4. SET-UP ADJUSTMENTS
4-1.
INTIALIZING SFC DATA ....................................... 47
4-2.
BEAM LANDING .................................................... 47
4-3.
CONVERGENCE ADJUSTMENT .......................... 48
4-4.
G2 (SCREEN) ADJUSTMENT ................................ 50
4-5.
FOCUS ADJUSTMENT 1 ........................................ 50
4-6.
NECK ASSY TWIST ADJUSTMENT ..................... 51
4-7.
PICTURE DISTORTION ADJUSTMENT .............. 51
4-8.
SFC COARSE ADJUSTMENT ................................ 51
4-9.
SFC FINE ADJUSTMENT ....................................... 53
4-10. P&P SUB CONTRAST ADJUSTMENT (VIDEO) .. 54
4-11.
4-11.
P&P SUB-HUE AND SUB-COLOR
ADJUSTMENT (VIDEO) ......................................... 54
ADJUSTMENT (VIDEO) ......................................... 54
4-12. WHITE BALANCE ADJUSTMENT ....................... 55
4-13. FOCUS ADJUSTMENT 2 ........................................ 55
4-13. FOCUS ADJUSTMENT 2 ........................................ 55
5. SAFETY RELATED ADJUSTMENTS
5-1.
+B MAX VOLTAGE CONFIRMATION ................. 56
5-2.
HV REGULATION CIRCUIT ADJUSTMENT ....... 56
5-3.
HV PROTECTOR CIRCUIT ADJUSTMENT ......... 56
5-4.
IK PROTECTOR CIRCUIT CHECK (D BOARD) . 56
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