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PRELIMINARY
SERVICE MANUAL DX-1A CHASSIS
MODEL COMMANDER DEST CHASSIS NO.
KV-32XBR400 RM-Y174 US SCC-S47A-A
KV-32XBR400 RM-Y174 CND SCC-S48A-A
KV-36XBR400 RM-Y174 US SCC-S47B-A
KV-36XBR400 RM-Y174 CND SCC-S48B-A
KV-38DRC1 RM-Y174 E SCC-S49A-A
KV-38DRC1C RM-Y174 E SCC-S49B-A
KV-32XBR400/36XBR400/38DRC1/38DRC1C
SPECIFICATIONS
KV-38DRC1/
KV-32XBR400 KV-36XBR400 KV-38DRC1C
Power requirements 120V, 60 Hz 120V, 60 Hz 220V, 50/60Hz
Number of inputs/outputs
1)
Video 4
2)
S Video 3
3)
Y,PB,PR 2
4)
Audio 5
5)
Audio Out 2
Monitor Out 1
1) 4)
TV Out 1
Control-S (in/out) YES
Speaker output(W) 15W x 2
Power Consumption(W)
In use(Max) 245W
In standby 2W
Dimensions(W/H/D)
(mm) 898 x 678 x 579.5 994 x 754.5 x 622
3/8 3/4 7/8 9/64 45/64 1/2
(in) 35 x 26 x 27 39 x 29 x 24
Mass
(kg) 84kg 108kg
(lbs) 185 lbs 238 lbs
Television system 1) 1 Vp-p 75 ohms unbalanced, sync negative
2) Y: 1 Vp-p 75 ohms unbalanced, sync negative
American TV standard/NTSC C: 0.286 Vp-p (Burst signal), 75 ohms
3) 500mVrms (100% modulation), impedance: 47kilohms
Channel coverage
4) More than 408 mVrms at the maximum volume setting (variable)
VHF:2-13/UHF:14-69/CATV:1-125 More than 408 mVrms (fix)
5) Y: 1.0 Vp-p, 75 ohms, sync negative;
Visible screen size PB: 0.7 Vp-p, 75 ohms;
FD Trinitron tube PR: Vp-p, 75 ohms
Visible screen size
32" picture measured diagonally (KV-32XBR400)
36" picture measured diagonally (KV-36XBR400/38DRC1/38DRC1C)
Actual screen size
34" picture measured diagonally (KV-32XBR400)
38" picture measured diagonally (KV-36XBR400/38DRC1/38DRC1C)
Antenna
75 ohm external antenna terminal for VHF/UHF
Supplied accessories
Remote Commander RM-Y174
Two Size AA (R6) batteries
Optional accessories
Connecting cables: RK-74A, VMC-810S/820/830HGS, VMC-720M,
VMC-810S/820S, YC-15V/30V, YC-15/30HG, RKG69HG, RKC-515HG
U/V mixer: EAC-66
TV Stand: SU-32FD2, SU-36FD2, SU-32XBR2, SU-36XBR2
Design and specifications are subject to change without notice.
--2--
KV-32XBR400/36XBR400/38DRC1/38DRC1C
TABLE OF CONTENTS
Section Title Page
Warnings and Cautions ....................................................................................................................................... 4
Self-Diagnostic Function ...................................................................................................................................... 4
Safety Check-Out Instructions .............................................................................................................................. 7
1. GENERAL ............................................................................................................................................................ 8
2. DISASSEMBLY
2-1. Rear Cover Removal ............................................................................................................................. 13
2-2. Chassis Assembly Removal ................................................................................................................. 13
2-3. Service Position ..................................................................................................................................... 13
2-4. Picture Tube Removal ........................................................................................................................... 14
3. SET-UP ADJUSTMENTS
3-1. Beam Landing ....................................................................................................................................... 15
3-2. V-Pin and V-Cen Adjustment ................................................................................................................. 16
3-3. Convergence .......................................................................................................................................... 16
3-4. Focus Adjustment .................................................................................................................................. 18
3-5. Screen (G2) ............................................................................................................................................ 18
3-6. Picture Quality Adjustments .................................................................................................................. 18
3-7. White Balance Adjustments .................................................................................................................. 21
3-8. Raster Center Adjustment ..................................................................................................................... 21
3-9. Picture Distortion Adjustments .............................................................................................................. 21
3-10. NTSC (DRC) Full Mode Adjustment ...................................................................................................... 22
4. SAFETY RELATED ADJUSTMENTS
RV8001, 8002, 8003 Confirmation Method and HV Service Adjustments ....................................... 23
5. CIRCUIT ADJUSTMENTS
5-1. Setting the Service Adjustment Mode .................................................................................................... 24
5-2. Memory Write Confirmation Method ...................................................................................................... 24
5-3. Adjustment Buttons and Indicators ....................................................................................................... 24
5-4. Service Data Lists .................................................................................................................................. 25
6. DIAGRAMS
6-1. Block Diagram ....................................................................................................................................... 31
6-2. Circuit Board Location ........................................................................................................................... 35
6-3. Printed Wiring Boards and Schematic Diagrams ................................................................................. 35