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SDP-EP9ES SERVICE MANUAL US Model Canadian Model AEP Model E Model Chinese Model Photo : GOLD SPECIFICATIONS DIGITAL SURROUND PROCESSOR MICROFILM — 1 —...
REPLACE THESE COMPONENTS WITH SONY PARTS FONCTIONNEMENT. NE REMPLACER CES COMPOSANTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS QUE PAR DES PIÈCES SONY DONT LES NUMÉROS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. SONT DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.
SECTION 1 SERVICING NOTE SAFETY CHECK-OUT RV901 of Main Board RV901 of the main board requires no adjustments. Please note that it After correcting the original service problem, perform the following should be dixed to mechanical center position when you moved and safety checks before releasing the set to the customer: do not know origin position.
SECTION 3 TEST MODE Self-Diagnosis and Test Mode 3. Self-diagnosis Mode for Servicing/Display of History of DSP Errors This unit is provided with a “self-diagnosis and self-recovery func- tion” which detects DSP errors and automatically recovers the unit, 3-1. Self-diagnosis Mode for Servicing and a test mode for performing operation checks during repairs.
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3-2. Display of History of DSP Operations 4. Operation Check Mode • When “DSP error detected!” is displayed on the fluorescent dis- • During the operation check mode, functions can be set by pressing play tube, the history of DSP errors will be displayed eight seconds the corresponding button.
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5. Initialization (Differs according to destination) After executing the test mode, be sure to perform initialization. • AEP, E, MY, SP, CH models While pressing the AC-3 RF button and DIGITAL3 buttons simultaneously, press the POWER button. When the VOLUME LED starts blinking, release the buttons.
SECTION 4 ELECTRICAL ADJUSTMENTS PLL Free-running Adjustment Connection : Frequency counter Main board TP (LRCK) Adjusting Method : 1. Connect the frequency counter to TP (LRCK). 2. Turn On the power switch. 3. Adjust RV301 of the main board so that the frequency of TP (LRCK) becomes the specified value.
SDP-EP9ES —CONTROL SECTION— DIGITAL SIGNAL PROCESSOR DIGITAL SIGNAL PROCESSOR IC424 IC423 SDO0 SDI0 SDO0 SDI0 SDO2 DATA • • • SDI1 SDI1 SDO1 SDO1 SCKR SCKT SCKR AUDIO AUDIO SECTION SCKT (Page 17) DIGITAL SIGNAL DIGITAL SIGNAL MEMORY MEMORY PROCESSOR...
SDP-EP9ES — POWER SECTION — POWER TRANSFROMER TO FLUORESCENT INDICATOR TUBE FL. +30V RECT +5V REG +30V REG FLD. +5V D115, 116 Q251,254 Q106 POWER - ON RECT STOP D113, 114 Q105 (Page 21) +5V REG Q103,104 CONTROL SECTION RESET...
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5-11. IC PIN FUNCTIONS • IC201 System Controller (HD6433397A13F) Pin No. Pin Name Function Function Pin No. Pin Name Function Function RESET Reset input (Reset at “L”) M9SCLK Clock output to DSP56009 XTAL M4MORQ Crystal oscillation output (16 MHz) Data ready signal input from SSP424023 EXTAL Crystal oscillation input (16 MHz) M4MOSS...
• IC301 Digital Audio Interface Receiver (LC8905V) Pin No. Pin Name Function Function DIN1 Data input with built-in amplifier (Responding to the coaxial optical module) DIN2 Data input (Responding to the optical module) E/OUT Emphasis, input bi-phase, validity flag output –...
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• IC401, 402, 403 Sampling Rate Converter (CXD8517Q) Function Pin No. Pin Name Function DATAI Serial data input LRCKI Input serial data fs word clock input (Schemidt) BCKI Input serial data bit clock input Input serial data format setting input 0 Input serial data format setting input 1 –...
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• IC423 Digital Signal Processor (SSP424023) Pin No. Pin Name Function Function AGND – Address buffer ground MCS0 Chip select 0 output to S-RAM (Not used) MCS3 Chip select 3 output to S-RAM MA14 Address data output to S-RAM MA13 AVCC –...
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Function Pin No. Pin Name Function MOSI Master data signal output to system controller SPI slave select signal input from system controller HREQ Host request signal input from system controller SGND – Ground for serial port SDO2 Audio serial data 2 signal output SDO1 Audio serial data 1 signal output SDO0...
• IC424 Digital Signal Processor (DSP56009) Function Pin No. Pin Name Function AGND – Address buffer ground MCS0 Chip select 0 output to S-RAM (Not used) MCS3 Chip select 3 output to S-RAM (Not used) MA14 Address data output to S-RAM (Not used) MA13 AVCC –...
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Function Pin No. Pin Name Function MOSI Master data signal output to system controller SPI slave select signal input from system controller HREQ Host request signal input from system controller SGND – Ground for serial port SDO2 Audio serial data 2 signal output (Not used) SDO1 Audio serial data 1 signal output SDO0...
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• IC901 Digital Signal Processor (AC-3 RF Demodulator) (PD4606A) Pin No. Pin Name Function Function – Ground – Power supply (+5V) XOUT Crystal oscillation circuit output (Not used) Crystal oscillation circuit input (46.08 MHz) For IC test mode setting (Fixed at “L”) RESET System reset.
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Pin No. Pin Name Function Function Address output to external RAM. Address 13 Address output to external RAM. Address 8 Address output to external RAM. Address 9 Address output to external RAM. Address 11 – Ground Output enable signal to external RAM. Active at “L” Address output to external RAM.
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Pin No. Pin Name Function Function TSTIN6 For testing IC (Fixed at “L”) TSTIN7 MUTI Muting input. Muted at “H” – Power supply (+5V) – Ground DOUT QPSK inverted output (Not used) QPSK signal input XSEL Crystal select. Used at “H” (Fixed at “H”) PSEL PLL select.
5-12. IC BLOCK DIAGRAMS IC202 AT24C02N-10SC DREF DATA REGISTER YDEC TEST INPUT WOR O ADDRESS COUNTER LOAD PROM XDEC 61x61 CONTROL LOGIC START STOP LOGIC H. V. GENERATION TIMING & CONTR OL START CYCLE IC252 TD62C950RF OUT40 OUT1 OUT21 OUT20 P GND L GND P GND...
(US,CND) 6-2. CHASSIS SECTION (AEP,E,SP,MY,CH) supplied supplied supplied not supplied not supplied Les composants identifiés par The components identified by mark ! or dotted line with mark une marque ! sont critiques pour ! are critical for safety. la sécurité. Replace only with part number Ne les remplacer que par une specified.
SECTION 7 DISPLAY ELECTRICAL PARTS LIST Note: • SEMICONDUCTORS • Due to standardization, replacements in the parts list The components identified by mark ! In each case, u: µ , for example: may be different from the parts specified in the or dotted line with mark ! are critical diagrams or the components used on the set.