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Ver. 3
Please refer to the
MODIFICATION NOTICE.
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SERVICE MANUAL
MODEL JP E3 E3B E2 EK EA E1 E1C
AVR-1311
AVR-391
AV SURROUND RECEIVER
MODEL JP E3 E3B E2 EK EA E1 E1C
DHT-1311XP
DHT-391XP
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5.1CH HOME THEATER SYSTEM
For purposes of improvement, specifi cations and design are subject to change without notice.
Please use this service manual with referring to the operating instructions without fail.
Some illustrations using in this service manual are slightly different from the actual set.
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SAFETY PRECAUTIONS The following check should be performed for the continued protection of the customer and service technician. LEAKAGE CURRENT CHECK Before returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassis resistance check. if the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of the power cord is less than 460 kohms, the unit is defective. Be sure to test for leakage current with the AC
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NOTE FOR SCHEMATIC DIAGRAM WARNING: Parts marked with this symbol z have critical characteristics. Use ONLY replacement parts recommended by the manufacturer. CAUTION: Before returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassis resistance check. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of the power cord is less than 460 kohms, the unit is defective. WARNING: DO NOT return the unit
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SYSTEM CONFIGURATION • AVR-1311 • DHT-1311XP (AVR-1311 + SYS-391HT) • AVR-391 • DHT-391XP (AVR-391 + SYS-391HT) SYS-391HT : Refer to page 104-113 for the service manual. SYS-391HT DSW-391 SC-F391(x2) SC-R391(x2) SC-C391 TECHNICAL SPECIFICATIONS n Audio Section n Tuner section –15 [FM](Note: μV at 75 Ω, 0 dBf = 1 x 10 W) • Power amplifi er Receiving Range (for 391E3,391E3B) : s Rated output : [FM] 87.5 MHz – 107.9 MHz [AM]520 kHz – 1710 kHz Front : Receiving Range (for 1311E2,1311E1C,391EA) : 75
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DIMENSION 30.0 30.5 86.0 340.0 435.0 The illustration is AVR-1311 model. 5 43.5 245.0 20.0 146.5 166.5 20.7 248.0 22.2 43.5 338.5 381.4
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CAUTION IN SERVICING Initializing AV SURROUND RECEIVER AV SURROUND RECEIVER initialization should be performed when the μcom, peripheral parts of μcom, and Digital P.W.B. are replaced. 1. Turn off the power using ON/STANDBY button. 2. Press ON/STANDBY button while simultaneously pressing SURROUND MODE and SURROUND MODE 0 1 buttons. 3. Check that the entire display is fl ashing with an interval of about 1 second, and release your fi ngers from the 2 buttons and the microprocessor will be ini
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DISASSEMBLY • Disassemble in order of the arrow of the fi gure of following fl ow. • In the case of the re-assembling, assemble it in order of the reverse of the following fl ow. • In the case of the re-assembling, observe "attention of assembling" it. • If wire bundles are untied or moved to perform adjustment or parts replacement etc., be sure to rearrange them neatly as they were originally bundled or placed afterward. Otherwise, incorrect arrangement can be a cause of noise generation. TOP CO
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1. FRONT PANEL ASSY Proceeding : TOP COVER FRONT PANEL ASSY (1) Remove the screws. View from bottom (2) Cut the wire clamp band, then disconnect the connector wires and FFC cable. Remove the screws. FRONT PANEL ASSY FFC cable CN44 cut CN209 CN71 WIRE SUPPORT UNIT cut (3) Remove the screws. Please refer to "EXPLODED VIEW" for the disassembly method of each P.W.B included in FRONT PANEL ASSY. 8
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2. HDMI UNIT Proceeding : TOP COVER HDMI UNIT (1) Remove the screws. Direction of photograph: A (2) Disconnect the connector wire and FFC cable. HDMI UNIT FFC cable CN12 9
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3. INPUT UNIT Proceeding : TOP COVER HDMI UNIT INPUT UNIT (1) Remove the screws. Direction of photograph: A (2) Disconnect the connector wires and FFC cables, then remove the screws. FFC cable CN71 CN43 CN42 INPUT UNIT FFC cable 10
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4. RADIATOR ASSY Proceeding : TOP COVER HDMI UNIT INPUT UNIT RADIATOR ASSY (1) Remove the screws. Direction of photograph: A (2) Disconnect the connector wires, then remove the screws. CN71 CN46 CN44 CN45 CN41 CN47 CN48 RADIATOR ASSY 11
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(3) Remove the RADIATOR ASSY from the main unit. Direction of photograph: C Please refer to "EXPLODED VIEW" for the disassembly method of each P.W.B included in RADIATOR ASSY. 5. POWER UNIT POWER UNIT Proceeding : TOP COVER Please refer to "EXPLODED VIEW" for the disassembly method of POWER UNIT. 6. POWER TRANS Proceeding : CABINET TOP TRANS MAIN Please refer to "EXPLODED VIEW" for the disassembly method of POWER TRANS. 12
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SPECIAL MODE Special mode setting button Press the ON/STANDBY button to turn on while pressing both buttons A and B at the same time. b Mode Button A Button B Contents Firmware versions such as Main, DSP are displayed in the FL μcom/DSP Version display mode STATUS DIMMER display. Errors are displayed when they occur. (Refer to page 14.) SURROUND SURROUND Initialization mode Backup data initialization is carried out. (Refer to page 6.) MODE MODE 0 1 ---E2 model only--- SURROUND Mode for sw
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1. μcom/DSP Version display mode 1.1. Operation specifi cations μcom/DSP version display mode: When started up, the version information is displayed. Starting up: With the "DIMMER" and "STATUS" buttons pressed, press the "ON/STANDBY" button to turn the power on. Now, press the "STATUS" button to the display the 2nd item information on the FL Display. 1.2. Display Order Model name → Main-μcom version → DSP version → iPod Dock version (Connecting iPod Dock) Display State AVR-391 E3 model AVR391 E3
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ABOUT REPLACE THE MICROPROCESSOR WITH A NEW ONE When replaced of the U-PRO (Microprocessor) or the Flash ROM, confirm contents of the following. After PWB Name Ref. No. Description Remark replaced DIGITAL IC91 T5CN5 B SOFTWARE: Main DIGITAL IC82 ST25VF080B-50-4C-S2AF B SOFTWARE: DSP ROM After replaced A : Mask ROM (With software). No need write-in of software to the microprocessor. B : Flash ROM (With software). Usually, no need write-in of software. But, when the software was updated, you sh
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2. UPDATE FIRMWARE (1) Connect the update terminal of AV receiver with the “Writing Kit”. (2) Set the switch of “Writing Kit" (Refer to the table below). DSPBOOT CE EPM CNVSS H H H H (3) Press the "ON/STANDBY" button to turn the power on of AV receiver. (4) Set the switch of “Writing Kit" (Refer to the table below). DSPBOOT CE EPM CNVSS H H L H (5) Press the "RESET" switch of “Writing Kit". (6) Run the “BootTool_M330(Writing program).exe” on desktop of PC. (7) Click the “Connect” button. "Connec
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DSP SF1 (8) Choose Ram File(OnBoard_M330.s32). Choose Ram File(OnBoard_M330.s32). 17
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(9) Choose Flash File(DSP : SF1). Choose "AVR1311_SF1_*_*_*_01.s32". Choose "Hex File (*.S32)". 18
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(10) Click the “Start” button. The Setup Status bar appears. 19
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(11) "Finished!!" is displayed. Click the "OK"” button. (12) Set the switch of “Writing Kit" (Refer to the table below). DSPBOOT CE EPM CNVSS H H H H (13) Press the "RESET" switch of “Writing Kit". (14) AV receiver is power on and starts update of DSP1. (15) "Write Comleted" is displayed in the FL tube. (16) Set the switch of “Writing Kit" (Refer to the table below). DSPBOOT CE EPM CNVSS H H L H (17) Press the "RESET" switch of “Writing Kit". DSP SF2 (18) Click the “Resend” button. "Connected" i
