OVERVIEW 1.1 Explanation - HD PERSONAL VIDEO RECORDER & RECEIVER or PVR(Personal Video Recorder)-STB(Set-Top Box) stores video and audio data into HDD with a specific form while receiving the ground wave of HD digital broadcasting only or gives additional related services. - Configuration It uses IBM PPC405GP of PowerPC series as CPU, which supports PCI Bus I/F for PVR.
When servicing this product, under no circumstances should the original design be modified or altered without permission from Zenith Electronics Corporation. All components should be replaced only with types identical to those in the original circuit and their physical location, wiring and lead dress must conform to original layout upon completion of repairs.
SERVICING PRECAUTIONS CAUTION: Before servicing the HD PERSONAL VIDEO Electrostatically Sensitive (ES) Devices RECORDER & RECEIVER covered by this service data and Some semiconductor (solid state) devices can be damaged its supplements and addends, read and follow the SAFETY easily by static electricity. Such components commonly are PRECAUTIONS.
AC 120V, 60Hz Power Consumption Environment Humidity 0 to 99 percent non condensing Storage Temperature -20 to 60 degrees Celsius (-4 to 140 degrees Fahrenheit) Operating Temperature 0 to 40 degrees Celsius (32 to 104 degrees Fahrenheit) FRONT VIEW (HDR230)
LOCATION OF CUSTOMER CONTROLS F R O N T EXIT SELECT Arrow Buttons ( GUIDE MENU RECORD DISPLAY FORMAT Power Remote Control Sensor Standby indicator Disk Full indicator Display format indicator Reserved REC indicator Record indicator R E A R ANT LOOP OUT OUTPUT SELECTION OPTICAL (Digital audio out jack)
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R E M O T E C O N T R O L Mode indicator TV/INPUT MODE POWER MENU RATIO SIGNAL SURF INFO Numbers Dash (-) SELECT ( MUTE VOL(Volume) (+/-) CH (Channel) (+/-) GUIDE FLASHBK RESERVED REC PROGRAM LIST REPEAT RECORD/EDIT STOP...
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SECTION 2 CABINET & MAIN CHASSIS CONTENTS EXPLODED VIEWS ........................2-2 1. Cabinet and Main Frame Section ...................2-2 2. Packing Accessory Section ....................2-3...
1. WIRING DIAGRAM Main Power Connector Power On Live +5V +12V +12V +3.3V +3.3V +3.3V +5.5V Digital Power Board Board Total :15 Line HDD I/F Connector DATA[0~15] +5.V Control Signals +12V Total :80 Line Total :4 Line Front I/F Connector HDD Power Connector Total :13 Line Power...
2. SYSTEM S/W UP-DATE & DIAGNOSTIC S/W • System S/W Up-date 1) Connect the serial cable between the connector for a service and the serial port of PC, and run TeraTerm Program on the PC. 2) Switch to System Code Up-data mode by press select key and left Volume( ) key together at the front.
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1) At Power Up, connect the serial cable to the port for a service, place the cursor on TeraTerm screen, and turn the power of HDR230 on with “Shift+T” of the PC keyboard pressed. Parts possible to check during running Diagnostic S/W using Probe ROM or Test Code...
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Screen shot during Test Run the test by press “ T” and then “Enter” key ============================System Test============================== System SDRAM Test----------------------------->OK(32MB) Flash Memory Test Start ..Flash Memory Test----------------------------->OK HD1 Test-------------------------------------->OK Audio Decoder Test---------------------------->OK HD1 DMA Test---------------------------------->OK IIC EEPROM Test------------------------------->OK VSB Test-------------------------------------->OK TDA7440 Test---------------------------------->OK SAA7120 Test---------------------------------->OK Tuner IIC Test-------------------------------->OK...
3. ELECTRICAL TROUBLESHOOTING GUIDE 1) INITIAL Front Power LED is red? Power LED Check whether the Lights red power cord is connected Turn on the power switch or Turn on the power switch of the remote control Power LED Check whether the battery is Is flashing green correctly inserted into the repeatedly for a...
2) POWER(SMPS) PART (1) No 5.0VA (2) No 5.4V NO 5.0VA. NO 5.4V. Replace the F101. Is Vcc (5.6v) approved Check or Replace Is the F101 normal? (Use the same Fuse) to Q151 Emitter? the D121. Is the BD101 Replace the Is Q152 Collector Check PWR CTL “H”...
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(3) No 3.3V (4) No 12V NO 3.3V. NO 12V. Is there about 3.5V at Check or Replace Is there about 14V at Check or Replace the IC155/IC156 Pin1? the D123/D124. the IC157/IC158 Pin1? the D125/D126. Is there about 4.5~5V at Check the µ-com pin Is there about 4.5~5V at Check the µ-com pin...
3) SYSTEM PART When the screen is not displayed after the power is turned on Check with the terminal after Check the terminal message by using Password connecting the test cable to the port for a service “debugLST2400” Check whether 3.3V is supplied at Power Connector 8,9,10-Pin Check...
4) VIDEO PART Component signal is missing No Pr signal : Check whether the signal is flown or not J118.13-> F111-> R472 -> C474 -> IC152.7 Check whether R431 and R432 have bad soldering Normal RGB output No Pb signal : Check whether the signal is flown or not J118.15->...
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RGB signal is missing Check the direction of IC151 Check IC151.4 -> 9V, IC151.11 -> ground Check whether there exists Pin 7, 8 and 12 signals of IC151 from VGA connector Red : J111.1 -> F106 -> R471 -> C471 Component port Green : J111.2 ->...
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A/V Out port No video screen signal Check J118.5 -> F114 -> R467 -> C742 -> C741->R746-> S-video port R737->Q709->L709->R723->Q706->R728 signal. No signal Check whether Q703.base is Low(0V) (Mute Off) Check whether L112 terminal is +9V RGB/YPbPr Check Front Display format LED Normal output? System error Check F118 ->...
5) AUDIO PART When there is no sound after the power is normally turned on, Check whether the rear audio Check whether the Video is output terminal is correctly volume of TV or AMP normally displayed connected to TV or AMP is correctly selected Check whether the input is correctly selected...
6) VSB PART When the screen is not displayed or distorted LED103 : On LED103 : Off LED103 : Flashing LED104 : Off LED104 : On LED104 : On Check the antenna See ‘Video’ of 3.3 cable is correctly Troubleshooting guide connected, or change the direction of the antenna...
7) PVR PART When TV is normally operated but PVR does not function "PVR function doesn't work properly" of the SETUP menu. Error code = 121 Error code = 124 Check HDD Cable and HDD Power Cable connection Check PCI Clock Check 33.33MHz output Error code at IC102 8-Pin...
3) SYSTEM BLOCK DIAGRAM 32Mbyte System Memor y 16Mbyte PCI_Bus 16Mbyte 33.3MHz- 1 8M x 16 8M x 16 (4 bank ) (4 bank ) Clock Timers I-OCM Power BSE0 BSE0 Ctrl Control Bridge Magmnt D-OCM Data Data /CAS PPC405GP /CAS (0-15) /CAS...
4) VIDEO BLOCK DIAGRAM HD 1 Chip 15-D-Sub CLC5623 Audio MP@HL Format Post BP Filter OP AMP Filter PES output & Converter & Graphics /H/V Video Data & Pro- & Decoder BP Filter to AC-Decoder 74LCX244 H/V Sync Display cessing Multi-stream Drive YPbPr...
IC102, IC103 are defective. No Power. _OPTIONAL PART 100Ω F101 is defective. R102 C103 '03. 3. 15 LST-2400 100K/2W 100µF/400V HDR230 LST-2410 100K/2W 100µF/400V HDR230 220µF/250V NOTES) Warning NOTES) Symbol denotes AC ground. NOTES) Parts that are shaded are critical...