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Sony BKM-301HD Service Manual

Hd sdi input adaptor
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SERVICE MANUAL
MODEL
...............
BKM-301HD
POWER BLOCK
DEST
............
US/CND
B BLOCK
GC BOARD
HD SDI INPUT ADAPTOR
R

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Summary of Contents for Sony BKM-301HD

  • Page 1 SERVICE MANUAL MODEL DEST ......BKM-301HD US/CND POWER BLOCK B BLOCK GC BOARD HD SDI INPUT ADAPTOR...
  • Page 2 SÉCURITÉ APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS FONCTIONNEMENT. NE LES REMPLACER QUE PAR DES PUBLISHED BY SONY. COMPOSANTS SONY DONT LE NUMÉRO DE PIÉCE EST INDIQUÉ DANS LE PRÉSENT MANUEL OU DANS DES SUPPLÉMENTS PUBLIÉS PAR SONY.
  • Page 3 SAFETY CHECK-OUT After correcting the original service problem, perform the following safety checks before releasing the set to the customer: Check the area of your repair for unsoldered or poorly-soldered connections. Check the entire board surface for solder splashes and bridges. Check the interboard wiring to ensure that no wires are “pinched”...

  • Page 5: Table Of Contents

    TABLE OF CONTENTS 1. OPERATING INSTRUCTIONS ............1-1 2. CIRCUIT ADJUSTMENTS 2-1. Preparations ....................2-1 2-2. B Board Adjustments ................... 2-2 3. CIRCUIT DESCRIPTIONS ............... 3-1 4. SEMICONDUCTORS ................4-1 5. EXPLODED VIEWS 5-1. Main Unit ..................... 5-2 6. ELECTRICAL PARTS LIST ..............

  • Page 7: Operating Instructions

    3-861-132-03 (1) HD SDI Input Adaptor Operating Instructions Page 10 For installation, contact your Sony dealer. Monitors Available PHM-20M8U/14M8U BKM-301HD © 1997 by Sony Corporation...
  • Page 8 English Table of Contents Table of Contents For the customers in the USA Overview ................12 This equipment has been tested and found Precautions ..............12 to comply with the limits for a Class A digital Connections ..............13 device, pursuant to Part 15 of the FCC Operation ................14 Rules.
  • Page 9 Connections Overview The HD SDI Input Adaptor BKM-301HD is an optional board Connect the monitor and the digital VTR as follows. that provides the HD SDI signal input (one line) for Sony HD Trinitron Color Monitors, the PHM-20M8U and the PHM- 14M8U.
  • Page 10 Operation Specifications Follow the instructions below. Input/Output HD SDI IN: BNC×1 Serial digital (1.485 Gbps) Conform to SMPTE 292M, BTA-S004A MONITOR OUT: BNC×1 *The MONITOR OUT signals do not satisfy the ON-LINE signal specifications. Quantization: 10 bits/sampling Frequency response: Y: 24 MHz ± 3dB : 12 MHz ±...
  • Page 11 This manual is intended for dealers. Leave installation of the BKM-301HD to your authorized Sony dealer. The monitor has many components inside that have extremely high voltage. Touching these may lead to injury. Do not install this input adaptor by yourself.
  • Page 12 English Table of Contents Components ..............14 Installing the Input Adaptor ..........15 Before Installing the Input Adaptor ....... 15 Installing the Power Block ..........16 Installing the GC board ..........17 Installing the B block ............. 18 After Installing the Input Adaptor ........20 Rewriting the Service Mode Status ........

  • Page 13: Components

    Installing the Input Adaptor Components Install the input adaptor in the follow- Pull the main bracket forward a ing order: little. Remove the screws on the G Power block GC board board and remove the cable 1 Power block between the terminal board and 2 GC board the G board.

  • Page 14: Installing The Power Block

    Installing the Input Adaptor Install the power block shield case Installing the Power Installing the GC board Insert the board holders (supplied) removed in Step 1. Lock the case Block into the four holes in the shield with the screw. case.

  • Page 15: Installing The B Block

    Installing the Input Adaptor Installing the B block From the back of the connector Insert the cable (black/red) from Remove the pawls that lock the the power block to the CN1 connector panel. Remove the panel cover, create two holes. connector on the GC board.

  • Page 16: After Installing The Input Adaptor

    Installing the Input Adaptor Rewriting the Service Mode Status You need to rewrite the service mode Adjust the main bracket position. Press the MENU/EXIT and status so that the input adaptor can Insert the B block in the CN4001 ENTER/SELECT buttons as accept HD SDI signals.
  • Page 17 Rewriting the Service Mode Status Press the DEGAUSS button again while “WRITE” is displayed. The “*” appears momentarily, then disappears. If the setting has been properly completed, “ ” appears to the left of “1.” This indicates that the service mode status has been rewritten.

  • Page 19: Circuit Adjustments

    SECTION 2 CIRCUIT ADJUSTMENTS The BKM-301HD is an optional board of the PHM-14M8U/20M8U and therefore cannot operate by itself. Consequently when performing measurements and adjustments, mount it to the PHM series monitor. Use a monitor which satisfies the given specifications.

  • Page 20: B Board Adjustments

    2-2. B BOARD ADJUSTMENTS Switch, Control Settings Use the following tools for adjustments performed when the Monitor control panel parts in the B board have been replaced. INPUT C (HD SDI) ....ON APERTURE ......MIN Equipment Used BRIGHT ........50% (Center click) HD SDI signal generator: TG15B6 CHROMA ........
  • Page 21 Adjusting Procedure 1. Y Gain Adjustment State during Adjustment Specification Adjusting Point • Output level of pin 7 of CN102 (Y SDI): 700 ±10 mV p-p • Input the HD SDI color bar 1 RV101 (A-3) B Board (100% color bar) signal into the INPUT C (HD SDI) input terminal.

  • Page 23: Circuit Descriptions

    SECTION 3 CIRCUIT DESCRIPTIONS The BKM-301HD is composed of three blocks-power sup- The power supply of the fan attached to the bracket of the B board is supplied from pin 1 of CN3. When the fan stops, ply block, GC board, and B board.
  • Page 24 The 74.25 MHz clock for the Y signal frequency converted by IC102 is output from pin `⁄‹› . The 37.2 MHz clock for P is connected to D/A from pin `⁄›› . and P IC104 is the D/A for the Y signal. Y signals subjected to D/A are output from pin @¢.

  • Page 25: Semiconductors

    SECTION 4 SEMICONDUCTORS CXD2308Q DTC144EKA 2SA1037K 2SC2412K 2SC3545 CXD2315Q 2SJ182S EPC1064PC8 EC10QS06 TL431CPS RD6.2SB-1 EPF8452AQC160-4 TLR124 LM4040BIM3X-5.0 NSQ03A06 TL1451ACPW...

  • Page 27: Exploded Views

    SECTION 5 EXPLODED VIEWS NOTE : The components identified marked ! are • Items with no part number and no description are not stocked be- critical for safety. cause they are seldom required for routine service. Replace only with the part number specified. •...

  • Page 28: Main Unit

    MAIN UNIT 5-1. MAIN UNIT PSW3x16 PSW3x16 PS3x8 PSW2.6x6 PSW2.6x6 P2.6x3 P2.6x3 PSW3x8 +PS3x8 PSW3x8...
  • Page 29 BEZEL, CABINET REF NO. PART NO. DESCRIPTION REMARK * A-1135-913-A B COMPLETE PC BOARD * A-1316-330-A GC COMPLETE PC BOARD * A-1482-655-A BLOCK COMPLETE ASSY, SDI * 4-060-515-01 STAND, HD SDI SHIELD * 4-060-517-03 SHIELD (MAIN), HD SDI * 4-060-510-01 SPRING, EARTH * 4-060-512-01 SHIELD (ASSY), HD SDI...

  • Page 31: Electrical Parts List

    SECTION 6 ELECTRICAL PARTS LIST NOTE : • Items marked “ * ” are not stocked since When indicating parts by reference they are seldom required for routine serv- number, please include the board The components identified marked ! are ice.
  • Page 32 REF NO. PART NO. DESCRIPTION REMARK REF NO. PART NO. DESCRIPTION REMARK C192 1-109-982-11 CERAMIC CHIP J1101 1-216-295-91 CONDUCTOR, CHIP (2012) C193 1-109-982-11 CERAMIC CHIP J1102 1-216-295-91 CONDUCTOR, CHIP (2012) C194 1-109-982-11 CERAMIC CHIP J1104 1-216-295-91 CONDUCTOR, CHIP (2012) C195 1-109-982-11 CERAMIC CHIP J1105 1-216-295-91 CONDUCTOR, CHIP (2012)
  • Page 33 REF NO. PART NO. DESCRIPTION REMARK REF NO. PART NO. DESCRIPTION REMARK R124 1-216-692-11 METAL CHIP 0.50% 1/10W R190 1-216-001-00 METAL GLAZE 1/10W R125 1-216-651-11 METAL CHIP 0.50% 1/10W R127 1-216-651-11 METAL CHIP 0.50% 1/10W R191 1-216-001-00 METAL GLAZE 1/10W R128 1-216-057-00 METAL GLAZE 2.2K...
  • Page 34 REF NO. PART NO. DESCRIPTION REMARK REF NO. PART NO. DESCRIPTION REMARK R1135 1-216-001-00 METAL GLAZE 1/10W 1-163-031-11 CERAMIC CHIP 0.01MF R1136 1-216-001-00 METAL GLAZE 1/10W 1-107-872-11 ELECT 3300MF 6.3V R1137 1-216-001-00 METAL GLAZE 1/10W 1-163-031-11 CERAMIC CHIP 0.01MF R1138 1-216-001-00 METAL GLAZE 1/10W 1-107-876-11 ELECT...
  • Page 35 REF NO. PART NO. DESCRIPTION REMARK REF NO. PART NO. DESCRIPTION REMARK 1-406-666-21 COIL, CHOKE 150µH 1-216-685-11 METAL CHIP 0.50% 1/10W 1-216-101-00 METAL GLAZE 150K 1/10W <TRANSISTOR> 1-216-639-11 METAL CHIP 0.50% 1/10W 1-216-089-91 METAL GLAZE 1/10W 1-801-806-11 TRANSISTOR DTC144EKA-T146 1-216-645-11 METAL CHIP 0.50% 1/10W 1-801-806-11 TRANSISTOR DTC144EKA-T146 1-801-806-11 TRANSISTOR DTC144EKA-T146...

  • Page 37: Block Diagrams

    SECTION 7 BLOCK DIAGRAMS 7-1. B BLOCK DIAGRAM TP101 IC102 Y OUT INPUTC IC104 Q102 Q103-106 DL101 Q107-110 86-92 30-32 55-59 FL101 (HD SDI) CN102 A/B8-A/B12 61-65 94-96 D1-D9 IY20-IY29 YDO-YD9 Y BUFFER Y AMP, BUFFER DELAY LINE Y BUFFER Y (SDI) 43-45 47-52, 54...

  • Page 38: Gc Block Diagram

    7-2. GC BLOCK DIAGRAM Q8, 9 3.3V 3.3V REG OUT SWITCHING REGULATOR PROTECTOR CONTROL Q4-7 OUT1 DTC1 Q27, 28 DTC2 RECT –5V SWITCHING REFERENCE –5V VOLTAGE Q23-26 OUT2 PROTECTOR AC IN SWITCHING MONITOR RECT PROTECTOR POWER BLOCK REGURATOR Q2, 3 REFERENCE VOLTAGE PROTECTOR...

  • Page 39: Diagrams

    SECTION 8 DIAGRAMS 8-1. PRINTED WIRING BOARDS/SCHEMATIC DIAGRAMS Note: • All capacitors are in µF unless otherwise noted. pF: µµF 50WV or less are not indicated except for electrolytics. • Indication of resistance, which does not have one for rating elec- trical power, is as follows.
  • Page 40 1-667-042-14 D101 D1101 IC101 IC102 IC104 IC105 IC106 Q101 * B-1 Q102 * B-2 Q103 Q104 * A-2 Q105 * A-1 Q106 * A-1 Q107 * A-1 Q108 * A-1 Q109 * A-1 Q110 * A-1 Q111 * A-2 Q112 * A-2 Q113 * A-2...
  • Page 41 B (1/2) B (1/2) INPUT C(HD SDI) SDI BLOCK HK-102/A MONITOR OUT CN103 HK-102/A-INPUT C101 C111 6.3V 0.01 :HT-CP F:CHIP C102 C103 C104 C105 C106 C107 C108 C110 0.01 0.01 0.01 0.01 F:CHIP 6.3V F:CHIP 6.3V F:CHIP 6.3V F:CHIP 6.3V :HT-CP :HT-CP :HT-CP...
  • Page 42 B (2/2) B (2/2) L101 4.7µH (1/2) Q103 2SC2412K R117 Y BUFFER R111 R192 FL101 R119 Y LPF :CHIP :RN-CP :RN-CP :RN-CP L103 4.7µH C142 C143 0.01 6.3V F:CHIP R120 Q102 :AL-CP 2SC2412K :CHIP -0.7 Y BUFFER C114 C115 C192 C183 C184 R134...
  • Page 43 B Board Waveforms 1.0Vp-p (H) 710mVp-p (H) 530Vp-p (H) 670mVp-p (H) 530mVp-p (H) 650mVp-p (H) 4.3Vp-p (H) 4.2Vp-p (H) 3.8Vp-p (V) B Board IC Block Diagrams CXD2308Q (IC106) CXD2315Q (IC104) DVDD DVSS AVSS (LSB)R0 4LSB'S CURRENT CELLS 4LSB'S CURRENT CELLS 6MBS'S LATCHES AVDD...
  • Page 44 1-667-041-12 * B-3 * B-2 * B-3 * B-3 * A-2 * A-2 * A-3 * C-3 * B-1 * A-2 * A-2 * A-2 * A-2 * B-2 * A-2 * A-2 * B-2 * B-2 –A SIDE– * B-2 * B-2 1-667-041-12 * B-2...
  • Page 45 MA111 150µH 6.3V :S-MICRO :S-MICRO 1mmH 3.3V 0.01 F:CHIP :CHIP FAN STOP 1.2V RD6.2SB1 F:CHIP TL1451ACPW 1000 TL1451ACPW 100k 6.3V -E05 :CHIP :AL-CP -E05 2.2k RD6.2SB1 2.2k 3.9k :RN-CP :RN-CP :RN-CP :RN-CP :RN-CP :RN-CP FAN STOP2 10µH 6.3V TL431CPS :HT-CP 2SJ182S 2SC2412K 6.3V...
  • Page 47 The material contained in this manual consists of information that is the proterty of Sony Corporation and is intended solely for use by the purchasers of the equipment described in this manual. Sony Corporation expressly prohibits the duplication of any...
  • Page 48 English 98DT0904-1 Sony Corporation Printed in Japan 9-976-681-01 Broadcasting & Professional Systems Company ©1998.4...

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