Sony KV-HR32K90 Service Manual ▷ View online
CHASSIS
SERVICE MANUAL
MODEL
COMMANDER
DEST. CHASSIS NO.
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MODEL
COMMANDER
DEST. CHASSIS NO.
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AX-1
KV-HR32K90
RM-1012
Korea
SCC-M21B-A
TRINITRON
COLOR TV
R
RM-1012
KV-HR32K90
– 2 –
KV-HR32K90
RM-1012
Specifications
Power requirements
220 V AC 60 Hz
Power consumption (W)
Indicated on the rear of the TV.
Television system
M
Color system
NTSC 3.58, NTSC 4.43, PAL,PAL 60
Available language for
Teletext
Stereo/Bilingual system
Korean Stereo
Channel coverage
M
VHF
: 2 - 13
UHF
: 14 - 69
CATV : 1 - 125
8
(Antenna)
75-ohm external terminal
Audio output (Speaker)
7.5W + 7.5W
3D Woofer
15W
Number of terminal
(Video)
Input: 4 Output: 1 Phono jacks; 1 Vp-p, 75 ohms
(Audio)
Input: 6 Output: 1 Phono jacks; 500 mVrms
(S Video)
Input: 2
Y: 1 Vp-p, 75 ohms, unbalanced, sync negative
C: 0.286 Vp-p, 75 ohms
(Component
Input: 2
Phono jacks
Video)
Y: 1 Vp-p, 75 ohms, sync negative
P
B
/C
B
: 0.7 Vp-p, 75 ohms
P
R
/C
R
: 0.7 Vp-p, 75 ohms
Audio: 500 mVrms
(G/B/R/HD/
Input: 1
Phono jacks
VD Video)
G: 0.7 Vp-p, 75 ohms, B: 0.7 Vp-p, 75 ohms,
R: 0.7 Vp-p, 75 ohms
HD: 0.7 Vp-p, 75 ohms, VD: 0.7 Vp-p, 75 ohms
(Center
Input:1
120 W max., 8 ohms
Speaker)
i
(Headphones)
Output: 1
Stereo minijack
Picture tube
32in.
Tube size (cm)
82
(measured diagonally)
Screen size (cm)
76
(measured diagonally)
Dimensions (w/h/d, mm)
898 x 607 x 563
Mass (kg)
69
Design and specifications are subject to change without notice.
– 3 –
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
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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
– 4 –
KV-HR32K90
RM-1012
Section
Title
Page
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Section
Title
Page
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6. DIAGRAMS
6-1.
BLOCK DIAGRAM (1) ........................................... 57
BLOCK DIAGRAM (2) ........................................... 59
BLOCK DIAGRAM (3) ........................................... 61
BLOCK DIAGRAM (4) ........................................... 63
BLOCK DIAGRAM (5) ........................................... 65
BLOCK DIAGRAM (6) ........................................... 67
BLOCK DIAGRAM (7) ........................................... 69
BLOCK DIAGRAM (8) ........................................... 71
BLOCK DIAGRAM (9) ........................................... 73
BLOCK DIAGRAM (10) ......................................... 74
BLOCK DIAGRAM (11) .......................................... 75
BLOCK DIAGRAM (2) ........................................... 59
BLOCK DIAGRAM (3) ........................................... 61
BLOCK DIAGRAM (4) ........................................... 63
BLOCK DIAGRAM (5) ........................................... 65
BLOCK DIAGRAM (6) ........................................... 67
BLOCK DIAGRAM (7) ........................................... 69
BLOCK DIAGRAM (8) ........................................... 71
BLOCK DIAGRAM (9) ........................................... 73
BLOCK DIAGRAM (10) ......................................... 74
BLOCK DIAGRAM (11) .......................................... 75
6-2. CIRCUIT BOARDS LOCATION ................................. 76
6-3. SCHEMATIC DIAGRAMS .......................................... 76
6-3. SCHEMATIC DIAGRAMS .......................................... 76
(1) Schematic Diagram of A (1/3) Board ................ 79
(2) Schematic Diagram of A (2/3) Board ............... 81
(3) Schematic Diagram of A (3/3) Board ............... 83
(4) Schematic Diagram of BH (1/3) Board ............ 85
(5) Schematic Diagram of BH (2/3) Board ............ 87
(6) Schematic Diagram of BH (3/3) Board ............ 89
(7) Schematic Diagram of C Board ......................... 91
(8) Schematic Diagram of D (1/3) Board ............... 93
(9) Schematic Diagram of D (2/3) Board ................. 95
(10) Schematic Diagram of D (3/3) Board ............... 97
(11) Schematic Diagram of HMG, H3 Board ........... 99
(12) Schematic Diagram of H4, H5 Board .............. 101
(13) Schematic Diagram of MG (1/3) Board .......... 103
(14) Schematic Diagram of MG (2/3) Board .......... 105
(15) Schematic Diagram of MG (3/3) Board .......... 107
(16) Schematic Diagram of MS2 (1/3) Board ......... 109
(17) Schematic Diagram of MS2 (2/3) Board ......... 111
(18) Schematic Diagram of MS2 (3/3) Board ......... 113
(19) Schematic Diagram of SF Board ..................... 115
(20) Schematic Diagram of UG (1/2) Board ........... 117
(21) Schematic Diagram of UG (2/2) Board ........... 119
(22) Schematic Diagram of W Board ...................... 121
(2) Schematic Diagram of A (2/3) Board ............... 81
(3) Schematic Diagram of A (3/3) Board ............... 83
(4) Schematic Diagram of BH (1/3) Board ............ 85
(5) Schematic Diagram of BH (2/3) Board ............ 87
(6) Schematic Diagram of BH (3/3) Board ............ 89
(7) Schematic Diagram of C Board ......................... 91
(8) Schematic Diagram of D (1/3) Board ............... 93
(9) Schematic Diagram of D (2/3) Board ................. 95
(10) Schematic Diagram of D (3/3) Board ............... 97
(11) Schematic Diagram of HMG, H3 Board ........... 99
(12) Schematic Diagram of H4, H5 Board .............. 101
(13) Schematic Diagram of MG (1/3) Board .......... 103
(14) Schematic Diagram of MG (2/3) Board .......... 105
(15) Schematic Diagram of MG (3/3) Board .......... 107
(16) Schematic Diagram of MS2 (1/3) Board ......... 109
(17) Schematic Diagram of MS2 (2/3) Board ......... 111
(18) Schematic Diagram of MS2 (3/3) Board ......... 113
(19) Schematic Diagram of SF Board ..................... 115
(20) Schematic Diagram of UG (1/2) Board ........... 117
(21) Schematic Diagram of UG (2/2) Board ........... 119
(22) Schematic Diagram of W Board ...................... 121
6-4. PRINTED WIRING BOARDS .................................... 123
• A Board ................................................................. 123
• BH Board .............................................................. 125
• C Board ................................................................. 127
• D Board ................................................................. 129
• HMG, H3 Board ................................................... 131
• H4, H5 Board ........................................................ 133
• MG Board (A side) ............................................... 135
• MG Board (B side) ............................................... 137
• MS2 Board ............................................................ 139
• SF Board ............................................................... 141
• UG Board (A side) ................................................ 143
• UG Board (B side) ................................................ 145
• W Board ................................................................ 147
• BH Board .............................................................. 125
• C Board ................................................................. 127
• D Board ................................................................. 129
• HMG, H3 Board ................................................... 131
• H4, H5 Board ........................................................ 133
• MG Board (A side) ............................................... 135
• MG Board (B side) ............................................... 137
• MS2 Board ............................................................ 139
• SF Board ............................................................... 141
• UG Board (A side) ................................................ 143
• UG Board (B side) ................................................ 145
• W Board ................................................................ 147
6-5. WAVEFORMS ............................................................. 148
6-6. SEMICONDUCTORS ................................................. 149
6-6. SEMICONDUCTORS ................................................. 149
7. EXPLODED VIEWS
7-1.
CHASSIS SECTION .............................................. 151
7-2.
SUPER WOOFER BLOCK .................................... 152
7-3.
CRT SECTION ....................................................... 153
7-4.
BEZEL SECTION ................................................... 154
8. ELECTRICAL PARTS LIST
..................................... 155
• A Board ............................................................................. 155
• BH Board .......................................................................... 159
• C Board ............................................................................. 162
• D Board ............................................................................. 163
• H3 Board ........................................................................... 169
• H4 Board ........................................................................... 170
• H5 Board ........................................................................... 170
• HMG Board ...................................................................... 171
• MG Board ......................................................................... 171
• MS2 Board ........................................................................ 176
• SF Board ........................................................................... 179
• UG Board .......................................................................... 181
• W Board ............................................................................ 184
• BH Board .......................................................................... 159
• C Board ............................................................................. 162
• D Board ............................................................................. 163
• H3 Board ........................................................................... 169
• H4 Board ........................................................................... 170
• H5 Board ........................................................................... 170
• HMG Board ...................................................................... 171
• MG Board ......................................................................... 171
• MS2 Board ........................................................................ 176
• SF Board ........................................................................... 179
• UG Board .......................................................................... 181
• W Board ............................................................................ 184
