Sony DVP S530D User Manual Page 91
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- Table of contents
- TROUBLESHOOTING
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86
Request Pulses to Syscon IC202 for Service
Interrupt pulse
From
Through IC601 To
ARP2 IC303/pin
86 (Wait)
In pin 108 (arpwt)
Out pin 157 (wait)
A/V Decoder
IC401/pin 198
(wait)
In pin 72 (avdwt)
Out pin 157 (wait)
IC202/pin 19
(Ready)
A/V Decoder
IC401/pin 196
(interrupt)
Direct IC202/pin 95
(interrupt)
Interface
IC201/pin 78
(CN006/pin 2)
In pin 22 (interrupt)
Out pin 155 (Interrupt 3)
IC202/pin 88
(interrupt)
ARP2 IC303/pin
83 (Interrupt)
In pin 107 (interrupt)
Out pin 156 (Interrupt 1)
Servo IC701/pin
128 (Interrupt)
In pin 107 (interrupt)
Out pin 156 (Interrupt 1)
IC202/pin 94
(interrupt)
EEProm
IC201/pin 1
(busy)
In pin 25
Out pin 155 (Interrupt 3)
DSP IC501/pin 55
(Interrupt 0)
IN pin 29
Out pin 155 (Interrupt 3)
DSP IC501/pin 56
(Interrupt 1)
IN pin 30
Out pin 155 (Interrupt 3)
IC202/pin 88
(interrupt)
4. After the brief communications above, the servo IC701 must initialize
the mechanism by closing the tray and moving the sled to home posi-
tion. When completed, IC701 replies to Syscon IC202. If no reply is
received within approximately 2 seconds of powering ON, IC202 in-
structs Interface IC201 to power down (set OFF). For details, see the
Mechanism section, Tray Motor Drive section and the Initial Sled Drive
section of this training book.
No DVD OSD logo
The DVD initial OSD power ON logo is stored in Flash ROM IC205. This
information takes the following path to become video that outputs the
AU212 board:
1. Flash ROM IC205 (storage)
2. Syscon IC202 (extraction and processing)
3. ARP2 IC303 (pass through)
4. A/V Decoder IC401 (sub-picture generation)
5. Video Buffers on the AU212 board
In the test mode (Syscon Diagnosis/A/V Decoder test), the A/V Decoder
can generate a main picture (color bar) or a sub picture (“CHG_COLCON”)
from the flash ROM data. Unfortunately they take the same path as the
logo, finally separating inside the A/V decoder IC401. Therefore if the
logo, test bars or test sub picture does not appear, the problem may be
the storage area in Flash ROM IC205. If none appear, the path from
Flash ROM to A/V Decoder IC401 is broken.
No DVD PB (CD PB OK)
1. Use the test mode to perform the DVD auto adjustments using the
DVD test disc.
2. Use the test mode to examine the OSD emergency code entries for
failures. The emergency code list description is in the DVP-S330/
S530/S550/S705 service manual on page 6-10E. The front panel
customer code errors are preceded by a C and listed on page 6-4 of
the manual.
3. Use the test mode to manually play the DVD disc by activating servos
1-6 individually.
4. The minimum (marginal) eye pattern amplitude is 0.8Vp-p @ CN012/
pin 1. Clean lens or replace laser. Follow eye pattern into ARP2
- Digital Video 1
- Course Description 2
- Sony Service Company 3
- All Rights Reserved 3
- Printed in U.S.A 3
- Table of Contents 4
- Prologic test CD 6
- Dolby DVD-TEST1 6
- DTS Test CD 6
- DTS Test DVD 6
- Format Output Data Rate 7
- BOARD LAYOUT 10
- DVD Features 11
- Block Diagram 12
- BLOCK DIAGRAM 13
- Video and Audio Processing 14
- Power Supply Block 16
- POWER SUPPLY BLOCK 17
- Standby Oscillator 18
- STANDBY OSCILLATOR 19
- Main Oscillator 20
- MAIN OSCILLATOR 21
- Power Control 22
- POWER CONTROL 23
- Power ON 24
- Post Power ON Check 24
- Communications Block 26
- COMMUNICATIONS BLOCK 27
- Serial Data Communications 28
- SERIAL DATA COMMUNICATIONS 29
- Serial Bus 1 30
- Parallel Data Communications 32
- PARALLEL DATA COMMUNICATION 33
- Address Lines 34
- Data and Clock Lines 34
- Interrupt Lines 34
- Read / Write Lines 34
- Mechanism 36
- Incline Gear 37
- Sled Sensor 37
- Focus Coil 38
- Tray Motor Drive 42
- TRAY MOTOR DRIVE 43
- Initial Sled Motor Drive 46
- INITIAL SLED MOTOR DRIVE 47
- Home Position Detection 50
- Laser Servo 52
- LASER SERVO 53
- KHM-220A DVD Optical Block 54
- Photo Detectors 56
- Disc Identification 58
- 20DVD02 6 7 99 59
- 6 29 9911DVD02 1155 61
- Focus Drive 62
- Focus Search Communications 62
- HGA IC601 to Servo IC701 64
- Spindle Motor 66
- SPINDLE MOTOR 67
- CLV PB Mode 68
- Tracking Servo 70
- TRACKING SERVO 71
- Sled Motor Drive - PB 72
- SLED MOTOR DRIVE - PB 73
- Tilt Servo 74
- TILT SERVO 75
- DVD Playback 76
- Power OFF 76
- Audio/Video Processing Block 78
- 28DVD02 6 22 99 79
- RF Amp IC001 80
- ARP2 IC303 80
- A/V PROCESSING 81
- A/V Decoder IC401 82
- Flash ROM IC205 82
- VIDEO PROCESS 83
- Audio DSP IC501 84
- AUDIO PROCESSING 85
- Test Mode 86
- Additional Test Mode 88
- Troubleshooting 90
- No DVD OSD logo 91
- No DVD PB (CD PB OK) 91
- No Disc PB 92
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