Sony RDR-GX7 Service Manual
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Sony RDR-GX7 Service Manual

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SERVICE MANUAL
System
Laser
Semiconductor laser
Format
NTSC
Channel coverage
VHF: 2 to 13
UHF: 14 to 69
CATV: A-8 to A-1, A to W, W+1 to
W+84
Video reception
Frequency synthesizer system
Audio reception
Split carrier system
Antenna
75-ohm antenna terminal for VHF/
UHF
Timer
Clock: Quartz locked
Timer indication: 12-hour cycle
(digital)
Power back-up duration: 1 hour
Video recording format
MPEG Video
Audio recording format/applicable bit
rate
Dolby Digital/2 ch, 256 kbps
Audio characteristics (Playback)
Frequency response
DVD (PCM 96 kHz): 4 Hz to 44 kHz
(±1.0 dB)/DVD (PCM 48 kHz): 4 Hz
to 22 kHz (±0.5 dB)/CD: 4 Hz to 20
kHz (±0.5 dB)
Signal-to-noise ratio (S/N ratio)
DVD: 115 dB (LINE OUT (AUDIO
L/R) 2 jacks only)
Harmonic distortion
DVD: 0.002 %
Dynamic range
DVD: 110 dB/CD: 100 dB
Wow and flutter
DVD: Less than detected value
(0.001% W PEAK)
SPECIFICATIONS
Audio characteristics (Recording/
Playback)
Frequency response
DVD (Dolby Digital 48 kHz):
10 Hz-20 kHz (±1.0 dB)
Signal-to-noise ratio
DVD: 96 dB
Harmonic distortion
DVD: 0.004 %
Dynamic range
DVD: 96 dB
The signals from LINE OUT (AUDIO
L/R) jack are measured. When you play
PCM sound tracks with a 96 kHz
sampling frequency, the output signals
from the DIGITAL OUT (OPTICAL or
COAXIAL) jack are converted to 48
kHz sampling frequency.
Inputs and outputs
LINE OUT 1/2
(AUDIO)
Phono jack
Output level: 2 Vrms
Load impedance: 10 kilohms
(VIDEO)
Phono jack
Output level: 1.0 Vp-p
(S VIDEO)
4-pin mini DIN
Output level: Y:1.0 Vp-p, C: 0.286
Vp-p (NTSC)
LINE IN 1/2/3
(AUDIO)
Phono jack
Input level: 2 Vrms
Input impedance:
more than 22 kilohms
(VIDEO)
Phono jack
Input level: 1.0 Vp-p
RDR-GX7
(S VIDEO)
4-pin mini DIN
Input level: Y:1.0 Vp-p, C: 0.286
Vp-p (NTSC)
DV IN
4-pin
i.LINK S100
DIGITAL OUT (OPTICAL)
Optical output jack
Output level: –18 dBm (wave
length: 660 nm)
DIGITAL OUT (COAXIAL)
Phono jack
Output level: 0.5 Vp-p
Load impedance: 75 ohms
COMPONENT VIDEO OUT(Y, P
, P
)
B
R
Phono jack/Y: 1.0 Vp-p/P
, P
:
B
R
interlace*=0.648 Vp-p, progressive
or interlace**=0.7 Vp-p
*
Component Black Level is On
** Component Black Level is Off
CONTROL S IN
Mini jack
General
Power requirements
120 V AC, 60 Hz
Power consumption
43 W
Dimensions (approx.)
430 × 89 × 381 mm
(17 × 3
× 15 in.) (width/height/
5
/
8
depth) incl. projecting parts
Mass (approx.)
5.6 kg (11.16 lb)
Operating temperature
5 ºC to 35 ºC (41 ºF to 95 ºF)
Operating humidity
25 % to 80 %
RMT-D203A
US Model
Canadian Model
Supplied accessories
Audio/video cord (1)
Power cord (1)
Antenna cable (1)
Remote commander (remote) (1)
Size AA(R6) batteries (2)
Specifications and design are subject to
change without notice.
DVD RECORDER

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Summary of Contents for Sony RDR-GX7

  • Page 1 RDR-GX7 RMT-D203A SERVICE MANUAL US Model Canadian Model SPECIFICATIONS System Audio characteristics (Recording/ (S VIDEO) Supplied accessories Playback) Laser 4-pin mini DIN Audio/video cord (1) Input level: Y:1.0 Vp-p, C: 0.286 Power cord (1) Semiconductor laser Frequency response Format Vp-p (NTSC)

  • Page 2: Overall Block Diagram

    RDR-GX7 SECTION 3 BLOCK DIAGRAMS 3-1. OVERALL BLOCK DIAGRAM (1/2) AV-071(1/2) TU401 TUNER BOARD Q409,411 Q412,414 VIDEO EPG VIDEO IC406 TU+30V Q408,410 IC402 TU VDET TU VDET Q416 TU+5V UNSW6V TU L TU R P CONT TU PCONT Q415 TU G MAX...
  • Page 3 RDR-GX7 3-2. OVERALL BLOCK DIAGRAM (2/2) AV-071(2/2) T601 ND1701 BOARD SWITCHING Q606-610 IT5V IC1701 IC605 FL-130(2/2) BOARD µCOM TU VDET DRIVER FLD SOUT FLD SCLK Q1703 D1702 KEY4 POWER DRIVE JUST CLK S1701 Q1704 TU PCONT D1703 POWER TU FMONO...

  • Page 4: Frame Schematic Diagram

    RDR-GX7 SECTION 4 PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS 4-1. FRAME SCHEMATIC DIAGRAM J1701 BASE UNIT L(MONO) VIDEO CN102 CN1702 LINE FR-195 BOARD 2 IN VFL1 FFF-018 KEY4 KEY4 FL-130 BOARD FLAT CABLE S VIDEO FLD RESET FLD RESET FLD CS...

  • Page 5: Printed Wiring Boards And Schematic Diagrams

    RDR-GX7 4-2. PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS WAVEFORMS AV-071 BOARD THIS NOTE IS COMMON FOR WIRING BOARDS AND SCHEMATIC DIAGRAMS (In addition to this, the necessary note is printed in each block) IC407 6 IC802 wf (PLAY) (For printed wiring boards) (For schematic diagrams) •...

  • Page 6: Vhf/Uhf Tuner

    RDR-GX7 For Schematic Diagram • Refer to page 4-23 for printed wiring board. VHF/UHF TUNER VHF/UHT TU401 AV-071 BOARD(1/9) VHF/UHF TUNER -REF.NO.;10000 SERIES- XX MARK:NO MOUNT NO MARK:REC/PB MODE 14 15 19 20 21 22 23 24 25 26 27...

  • Page 7: Video In Process

    RDR-GX7 For Schematic Diagram • Refer to page 4-23 for printed wiring board. • Refer to page 4-4 for waveforms. AV-071 BOARD(2/9) VIDEO IN PROCESS -REF.NO.:1000 SERIES- XX MARK:NO MOUNT NO MARK:REC/PB MODE L703 10uH SW5V Q708 R755 2SB1561T100Q SWITCH...
  • Page 8 RDR-GX7 For Schematic Diagram • Refer to page 4-23 for printed wiring board. AV-071 BOARD(3/9) RD I/F CN1201 -REF.NO.;10000 SERIES- AGND XX MARK:NO MOUNT AGND SEPC FC43 (9/9) SEPY AGND RECC AGND JL1246 XVMUTE AGND JL1214 NOT USE RECY AGND...

  • Page 9: A/V In/Out Terminal

    RDR-GX7 For Schematic Diagram • Refer to page 4-23 for printed wiring board. AV-071 BOARD(4/9) A/V IN/OUT TARMINAL -REF.NO.;10000 SERIES- XX MARK:NO MOUNT NO MARK:REC/PB MODE D814 XNENTMUTE S2SW R833 (8/9) IC802 WIDE AUOUTR1 DSEL L803 VIDEO OUT PROCESS 47uH...
  • Page 10 RDR-GX7 For Schematic Diagram • Refer to page 4-23 for printed wiring board. AV-071 BOARD(5/9) NO MARK:REC/PB MODE AUDIO IN -REF.NO.;10000 SERIES- XX MARK:NO MOUNT SIGNAL PATH R210 AU1INR R206 JL203 FA_INR R202 JL204 AUDIO AU3INR SIGNAL C246 C242 C245...

  • Page 11: Audio Out

    RDR-GX7 For Schematic Diagram • Refer to page 4-23 for printed wiring board. AV-071 BOARD(6/9) AUDIO OUT Q314 UN2113-TX -REF.NO.;10000 SERIES- POWER SW R322 JL330 XX MARK:NO MOUNT C335 R348 8200 C324 R331 ± 0.5% 560p 1500 C363 NO MARK:REC/PB MODE...
  • Page 12 RDR-GX7 For Schematic Diagram • Refer to page 4-23 for printed wiring board. • Refer to page 4-4 for waveforms. AV-071 BOARD(7/9) NO MARK:REC/PB MODE UV IC -REF.NO.;10000 SERIES- Q1101-1105 DATA/SYNC SEPA XX MARK:NO MOUNT L1101 Q1101 Q1102 Q1103 10uH...

  • Page 13: System Control

    RDR-GX7 For Schematic Diagram • Refer to page 4-23 for printed wiring board. • Refer to page 4-4 for waveforms. (10/10) AV-071 BOARD(8/9) TU_PCONT SYSTEM CONTROL CN602 XX MARK:NO MOUNT JL677 JL678 NO MARK:REC/PB MODE JL679 KEY4 JL680 IC606 KEY4...
  • Page 14 RDR-GX7 For Schematic Diagram • Refer to page 4-23 for printed wiring board. AV-071 BOARD(9/9) POWER -REF.NO.;10000 SERIES- XX MARK:NO MOUNT CN101 R129 R130 NO MARK:REC/PB MODE DGND JL118 DGND PS102 JL103 0.7A FAN12V JL102 SW3.3V SW3.3V JL106 UNSW-10V UNSW-10V...
  • Page 15 RDR-GX7 For Schematic Diagram • Refer to page 4-27 for printed wiring board. ND1701 15ST-41GNK FL-130 FLUORESCENT TUBE DISPLAY FL DRIVE XX MARK:NO MOUNT CN1703 DV IN CN1704 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45...
  • Page 16 RDR-GX7 For Schematic Diagram • Refer to page 4-31 for printed wiring board. D116 SML-512WWT86 R141 IC103 JL119 FR-195 BOARD LED DRIVE D117 SML-512WWT86 SWITCH,LED R142 JL120 IC103 C106 R105 -REF.NO.;20000 SERIES- BU2152FS D118 D119 XX MARK:NO MOUNT SML-512WWT86 JL114...

  • Page 17: Section 6 Service Mode

    RDR-GX7 SECTION 6 SERVICE MODE This is the diagnostics to locate the faulty position. The diagnostics can be executed using the remote commander (Remote Control Mode1) and a monitor. To execute the diagnostics mode, connect the VIDEO OUT (L2 OUT) connector to a monitor. While pressing INPUT SELECT, REC MODE and STOP of the main unit, connect the AC power cord to the power outlet to start the diagnostics.
  • Page 18 6-2. Block diagram (for your reference to check the devices) Audio Audio In AK5365 CXD9735Q SAA7118E uPD61052 CXD9754R Tuners NT/PAL CXD9736GG (VIDEO Video In DEC) Glue uPD72852 ATA I/F uPD72893 DVD Drive SM8707EV LINK AD1895A ADV7300 CXD1935 Video out Post NT/PAL Enc VIDEO ENC Video...
  • Page 19 6-4. Service Mode. Menu Items and Description << MAIN MENU >> When the key ‘1’ is pressed down, the monitor display moves 1) DEVICE TEST to the device check menu screen. 2) PATH TEST When the key ‘2’ is pressed down, the monitor display moves to the path check menu screen between devices.
  • Page 20 6-7. Path Check Menu (1/2) << PATH TEST MENU 1/2 >> 1) When the key ‘1’ is pressed down, VIDEOENC path check is 1) VIDEO ENC executed. 2) IPCONV 2) When the key ‘2’ is pressed down, IPCONV path check is executed.
  • Page 21 6-9. Device All Check. Screen Transition << DEVICE TEST MENU 1/2 >> Select the item “ALL CHECK” from the menu. 0) ALL CHECK Device check is executed automatically starting from No. 1 one device after another. When all devices are checked, number of OK/NG items and names of the NG devices are displayed as the RESULT.
  • Page 22 6-11. Path Individual Check (Pasted Screen Check). << PATH TEST MEN U 1/2 >> Screen Transition · · · · Select the TL750 item from the menu. The device pasted screen (top of the color bar) is displayed. 3) TL750 (When visual check is required, the display does not move the ·...

  • Page 23: Section 7 Adjustment

    RDR-GX7 SECTION 7 ADJUSTMENT 3. S-Video Output S-Y Level Check 7-1. VIDEO SYSTEM ADJUSTMENT < Purpose > This check confirms that the video output level at the S-video output Reference Disk connector is correct. If this adjustment is made incorrectly, picture...
  • Page 24 5. Component Video Output Y Check 7. Component Video Output R-Y Check < Purpose > < Purpose > This check confirms that the Y signal output is correct. If this signal This check confirms that the R-Y signal of the component video level is not correct, brightness of video signal will be too bright or output is correct.

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