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Sony RA-3 Service Manual
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Sony RA-3 Service Manual

Sony RA-3 Service Manual

Color rear video projector
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SERVICE MANUAL

MODEL
COMMANDER
––––––
––––––––––––
KP-43T70
RM-Y906
KP-43T70
RM-Y906 Canadian SCC-P14GA
KP-46C70
RM-Y906
KP-46C70
RM-Y906 Canadian SCC-P14JA
KP-48S70
RM-Y906
KP-48S70
RM-Y906 Canadian SCC-P14HA
KP-48S72
RM-Y906
MUTING
DVD/
SAT/
POWER
VTR
CABLE
TV
FUNCTION
SYSTEM
OFF
DVD/VTR SAT/CABLE
TV
TV/VTR
FREEZE
SWAP
PIP
m
N
M
POSITION
AUDIO
ACTIVE
X
z
x
SLEEP
ANT
TV/VIDEO
PICTURE
MODE
CC
MTS/SAP
DISPLAY
1
2
3
4
5
6
7
8
9
JUMP
ENTER
0
INDEX
GUIDE
RESET
MENU
VOL
CH
CODE SET
TV
RM-Y906
MICROFILM
∗ Please file according to model size. .......
43
46
48 53 61
DEST. CHASSIS NO.
––––– –––––––––––
US
SCC-P14GA
US
SCC-P14JA
US
SCC-P14HA
US
SCC-P14KA
KP-43T70
COLOR REAR VIDEO PROJECTOR
RA-3
MODEL
COMMANDER
––––––
––––––––––––
KP-48S72
RM-Y906 Canadian SCC-P14KA
KP-53N74
RM-Y906
KP-53N74
RM-Y906 Canadian SCC-P14EA
KP-53S70
RM-Y906
KP-53S70
RM-Y906 Canadian SCC-P14DA
KP-61S70
RM-Y906
KP-61S70
RM-Y906 Canadian SCC-P14FA
KP-46C70/48S70/48S72/53N74/
53S70/61S70
CHASSIS
DEST. CHASSIS NO.
––––– –––––––––––
US
SCC-P14EA
US
SCC-P14DA
US
SCC-P14FA

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Summary of Contents for Sony RA-3

  • Page 1: Service Manual

    SERVICE MANUAL RA-3 CHASSIS MODEL COMMANDER DEST. CHASSIS NO. MODEL COMMANDER DEST. CHASSIS NO. –––––– –––––––––––– ––––– ––––––––––– –––––– –––––––––––– ––––– ––––––––––– KP-48S72 KP-43T70 RM-Y906 Canadian SCC-P14KA RM-Y906 SCC-P14GA KP-43T70 KP-53N74 RM-Y906 Canadian SCC-P14GA RM-Y906 SCC-P14EA KP-46C70 KP-53N74 RM-Y906 SCC-P14JA...

  • Page 2: Block Diagram

    SECTION 6 DIAGRAMS 6-1. BLOCK DIAGRAM (1) IC403 IC406 D/A CONVERTER L/R AMP CN403 TO A BOARD ML OUT1 OUT1 IN+(L) OUT(L) TUNER HR OUT1 OUT2 IN+(R) IN-(L) BLOCK IC002 SYSTEM CONTROL OUT(R) L/R MUTE MUTE IN-(R) Q403, 404 STUH I-2HSYNC O-SPK MT I-HSYNC...
  • Page 3 BLOCK DIAGRAM (2) – 53 – – 54 –...
  • Page 4 14 15 14 15 – 55 – – 56 – – 57 – – 58 –...
  • Page 5 BLOCK DIAGRAM (3) IC804 IC806 PEAK HOLD BUFF Q804 D+5V IC802 IC808 IV CONV (1/6, 3/6) CN3001 CN802 TO G Q803 I HP BOARD SENSOR LEFT I DREG OVF CN1502 I DREG BSY I DREG ACK UPPER LOWER TO G Q801 BOARD Q802...
  • Page 6 5-1. BLOCK DIAGRAM (4) CN732 (R DRIVE) IK R CN701 CN704 CN731 CN740 Q704-706 IK R TO A Q731-733 4, 5, BOARD 9, 11 V902 CN204 CN702 4, 5, BUFFER V901 9, 11 Q734 CN737 FOCUS BLOCK FOCUS BLOCK CN703 TO G BOARD CN503...
  • Page 7 BLOCK DIAGRAM (5) POWEER SUPPLY H/V OUT IC1502 IC1501(1/2) SUB DY-DRIVE IC1509 V ZOOMING AMP CN651 CN501 V OUT DY (B) CN1503 V DRIVE (+) CN1506 HR OUT RV DEF V. DEF HR RET RV MID VR OUT V DRIVE (-) V.
  • Page 8 6-2. FRAME SCHEMATIC DIAGRAM 6-3. CIRCUIT BOARDS LOCATION Note: The symbol display is on the component slde. The components identified by shading and mark are critical for safety. Replace only with part number specified. The symbol indicate fast operating fuse. Replace only with fuse of same rating as maked.
  • Page 9 • A (1/3) BOARD WAVEFORMS 1Vp-p (H) 1.5Vp-p (H) 2.4Vp-p (H) 1.2Vp-p (H) 3.3Vp-p (H) 3.4Vp-p (H) 2.8Vp-p (H) 4.1Vp-p (H) 16MHz 4.1Vp-p (H) 3.3Vp-p (V) A (1/3) BOARD : IC406 TDA7265 MUTE / ST-BY L + IN L OUT L -IN R -IN R OUT...
  • Page 10 A (2/3) BOARD : IC807, 815, 816, 817 µPD6376GS-E2 DIGUTAL ANALOG POWER SUPPLY POWER SUPPLY SYSTEM SYSTEM L.REF MAIN DAC L.OUT LRCK/WDCK 13 SUB DAC LPSEL/RSI 14 SI/LSI 15 SUB DAC CLK 16 R.OUT 4/8 fs SEL 1 MAIN DAC D.GND R.REF A.GND...
  • Page 11 • A (3/3) BOARD WAVEFORMS 4.8Vp-p (H) 1Vp-p (H) 1.8Vp-p (H) 0.5Vp-p (0.275usec) 0.7Vp-p (H) 1.6Vp-p (H) 2.1Vp-p (H) 4.5Vp-p (20.48MHz) 6.5Vp-p (H) 5Vp-p (V) Schematic diagrarm Schematic diagram A (3/3) A (2/3) board board / – 79 – – 80 – –...
  • Page 12 A BOARD D404 D816 D1114 J-9 Q020 Q230 Q806 IC206 F-3 IC817 K-5 Q1115 F-9 Q1903 D-7 A (3/3) BOARD : IC1902 CXA2019AQ-T4 DIODE TRANSISTOR [ P IN P, 3D COMB FILTER ] H-9 1 D-2 1 D405 D817 D1115 J-9 Q021 Q231 Q807...
  • Page 13 • G BOARD WAVEFORMS 12.5Vp-p (H) 18.5Vp-p (H) 14.5Vp-p (H) 17.7Vp-p (V) 15.2Vp-p (H) 14Vp-p (H) 56.1Vp-p (V) 1.72Vp-p (V) 3.7Vp-p (V) 108Vp-p (H) 1.2kVp-p (H) 130Vp-p (H) G BOARD : IC654 DM-58 G BOARD : IC651 µPC393C OUT1 OUT2 V–...
  • Page 14 H/V, DY DRIVE, POWER SUPPLY – G Board – G BOARD D1503 B-15 DIODE D1504 G-15 D501 E-13 D1505 G-13 D505 E-13 D1506 G-13 D506 E-11 D1507 F-14 D507 E-11 D1509 G-12 D513 E-13 D1510 F-13 D517 D1513 I-11 D518 D1515 I-12 D520...
  • Page 15 G DRIVE, VM DRIVE R DRIVE B DRIVE – CG Board – • CB BOARD WAVEFORM • CR BOARD WAVEFORM – CB Board – – CB Board – 136Vp-p (H) 101Vp-p (H) • CG BOARD WAVEFORMS 103Vp-p (H) 133Vp-p (H) –...
  • Page 16 RIMOTE CONTROL FUNCTION KEK RECEIVER – HA Board – – HC Board – – 97 –...
  • Page 17 V I D E O I N P U T A U D I O VIDEO-2 INPUT, MENU CONTROL KEYS – HB Board – – 98 –...