Sony KV-DW32K9H Service Manual ▷ View online
CHASSIS
SERVICE MANUAL
MODEL
COMMANDER
DEST. CHASSIS NO.
––––––
––––––––––––
––––– –––––––––––
MODEL
COMMANDER
DEST. CHASSIS NO.
––––––
––––––––––––
––––– –––––––––––
DX-1J
KV-DW32K9H
RM-970
Korean
SCC-P81D-A
TRINITRON
COLOR TV
R
RM-970
KV-DW32K9H
– 2 –
KV-DW32K9H
RM-970
Specifications
Antenna
75 ohm external terminal for VHF/UHF
Television System
NTSC, American TV Standard
Screen Size (measured diagonally)
32 inches
Channel Coverage
VHF
VHF
2-13
UHF
14-69
CATV
1-125
Power Requirements
220 V AC, 60 Hz
Number of Inputs/Outputs
Video (IN)
4
1 Vp-p, 75 ohms unbalanced, sync negative
S Video (IN)
3
Y: 1 Vp-p, 75 ohms unbalanced, sync negative
C: 0.286 Vp-p (Burst signal), 75 ohms
Audio (IN)
6
500 mVrms (100% modulation)
Impedance: 47 kiloohms
TV Out
1
Video: 1 Vp-p 75 ohms unbalanced, Sync
negative
negative
Audio: 500 mVrms
CONTROL S (IN/OUT)
1
Minijacks
DTV (HD)/DVD Input
2 (Y, P
B
, P
R
)
Y: 1.0 Vp-p, 75 ohms unbalanced, sync
negative
negative
P
B
: 0.7 Vp-p, 75 ohms
P
R
: 0.7 Vp-p, 75 ohms
RF Inputs
1
Converter
1
Speaker Output
5
W
x 2, 10W x 1
Dimensions (W x H x D)
882
x 590 x 549 mm
Mass
68.8 kg
Indicated on the rear of the TV
Power Consumption
Design and specifications are subject to change without notice.
– 3 –
KV-DW32K9H
RM-970
(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.
– 4 –
KV-DW32K9H
RM-970
TABLE OF CONTENTS
Section
Title
Page
––––––
––––
––––
Section
Title
Page
––––––
––––
––––
1. GENERAL
........................................................................... 8
2. DISASSEMBLY
2-1.
REAR COVER ASSEMBLY .................................... 37
2-2.
CHASSIS ASSEMBLY ............................................. 37
2-3.
SERVICE POSITION ............................................... 37
2-4.
SPEAKER BOX ASSEMBLY .................................. 37
2-5.
F1 BOARD ................................................................ 38
2-6.
F1 AND U BRACKETS ........................................... 38
2-7.
B2 AND BOARDS ................................................... 38
2-8.
A1 BOARD ............................................................... 38
2-9.
D BOARD ................................................................. 39
2-10. DH BOARD .............................................................. 39
2-11.
2-11.
H3, H7 AND S8 BOARDS ....................................... 39
2-12. HARNESS ARRANGEMENT ................................. 40
2-13. REMOVAL OF ANODE-CAP .................................. 41
2-14. CRT ........................................................................... 42
2-13. REMOVAL OF ANODE-CAP .................................. 41
2-14. CRT ........................................................................... 42
3. SERVICE MODE
3-1.
METHOD OF SETTING THE SERVICE
ADJUSTMENT MODE ............................................ 43
ADJUSTMENT MODE ............................................ 43
3-2.
SERVICE MODE ADJUSTMENT ........................... 43
3-3.
MEMORY WRITE CONFIRMATION METHOD .. 43
3-4.
ADJUSTING BUTTONS AND INDICATOR ......... 43
3-5.
SERVICE MODE LIST ............................................ 44
4. SET-UP ADJUSTMENTS
4-1.
BEAM LANDING .................................................... 63
4-2.
CONVERGENCE ADJUSTMENT .......................... 64
4-3.
G2 (SCREEN) ADJUSTMENT ................................ 66
4-4.
FOCUS ADJUSTMENT 1 ........................................ 66
4-5.
NECK ASSY TWIST AJUSTMENT ........................ 66
4-6.
P&P SUB CONTRAST ADJUSTMENT
(VIDEO) (SCON) ..................................................... 67
(VIDEO) (SCON) ..................................................... 67
4-7.
P&P SUB CONTRAST ADJUSTMENT
(RF) (SCON) ............................................................. 67
(RF) (SCON) ............................................................. 67
4-8.
P&P SUB-HUE AND SUB-COLOR
ADJUSTMENT (VIDEO) (SHUE, SCOL) .............. 67
ADJUSTMENT (VIDEO) (SHUE, SCOL) .............. 67
4-9.
P&P SUB-HUE AND SUB-COLOR
ADJUSTMENT (RF) (SHUE, SCOL) ...................... 67
ADJUSTMENT (RF) (SHUE, SCOL) ...................... 67
4-10. WHITE BALANCE, SUB BRIGHT
ADJUSTMENT ......................................................... 68
4-11.
FOCUS ADJUSTMENT 2 ........................................ 68
4-12. PICTURE DISTORTION ADJUSTMENT .............. 68
5. SAFETY RELATED ADJUSTMENTS
5-1.
+B MAX VOLTAGE CONFIRMATION ................. 69
5-2.
HV REGULATION CIRCUIT ADJUSTMENT ....... 69
5-3.
HV PROTECTOR CIRCUIT ADJUSTMENT ......... 69
5-4.
IK PROTECTOR CIRCUIT CHECK (D BOARD) . 69
6. DIAGRAMS
6-1.
BLOCK DIAGRAM (1) ........................................... 71
BLOCK DIAGRAM (2) ........................................... 73
BLOCK DIAGRAM (3) ........................................... 75
BLOCK DIAGRAM (4) ........................................... 77
BLOCK DIAGRAM (5) ........................................... 79
BLOCK DIAGRAM (6) ........................................... 81
BLOCK DIAGRAM (7) ........................................... 83
BLOCK DIAGRAM (8) ........................................... 85
BLOCK DIAGRAM (2) ........................................... 73
BLOCK DIAGRAM (3) ........................................... 75
BLOCK DIAGRAM (4) ........................................... 77
BLOCK DIAGRAM (5) ........................................... 79
BLOCK DIAGRAM (6) ........................................... 81
BLOCK DIAGRAM (7) ........................................... 83
BLOCK DIAGRAM (8) ........................................... 85
6-2. CIRCUIT BOARDS LOCATION ................................. 87
6-3. PRINTED WIRING BOARDS AND SCHEMATIC
DIAGRAMS .................................................................. 87
6-4. SEMICONDUCTORS ................................................. 158
6-3. PRINTED WIRING BOARDS AND SCHEMATIC
DIAGRAMS .................................................................. 87
6-4. SEMICONDUCTORS ................................................. 158
7. EXPLODED VIEWS
7-1.
CHASSIS SECTION .............................................. 161
7-2.
SPEAKER SECTION ............................................. 162
7-3.
CRT SECTION ....................................................... 163
7-4.
BEZNET SECTION ................................................ 164
8. ELECTRICAL PARTS LIST
..................................... 165