Elenberg CTV-1515 Service Manual

Text of Elenberg CTV-1515 User Guide:

• Elenberg CTV-1515, 33 Part5 Part list of CTV-1515 Bom No Part No Part No QTY LTD06P-2956C01 02.19.LTD06P2956C01 Power board 1 Part No Name Specification QTY LOCA NO 01.57.R.3.E681J SMD resistor 0805-680Ω±5% 1 R9 01.57.R.3.E472J SMD resistor 0805-4.7KΩ±5% 1 R13 01.57.R.3.E222J SMD resistor 0805-2.2KΩ±5% 1 R12 01.57.R.3.E123J SMD resistor 0805-12KΩ±5% 2 R3 R11 01.57.R.4.E4R7J SMD resistor 1206-4.7Ω±5% 1 R6 01.57.R.4.E390J SMD resistor 1206-39Ω±5% 2 R7 R8 01.57.R.4.E222J SMD resistor 1206-2.2KΩ±5

• Elenberg CTV-1515, CTV-1515 SERVICE MANUAL CONTENT PART 1： Brief Introduction Of The CTV-1515 ◆ Schematic Diagram ◆ Printed Circuit PART 2: Exploded View PART 3： Key Ics And Assemblies PART 4: Detailed Circuit ◆ Main Board ◆ HI-voltage Board PART 5: Parts List PART6: Debug Procedure

• Elenberg CTV-1515, 25 Part 4 Detailed Circuit MAIN BOARD 1. Interface R131 10k CON4 1 2 R128 200R ADC_IN2 C125 100nF 2D1 1N4148 1 2 VCC3.3 L1206 8125IR + 2EC1 100u C131 100nF L34 Q10 2N3904 1 2 3 2R1 1M AUDIO-R ADC_IN3 L31 VCC16 R137 1k C124 100nF 1.25-4Y LED_R ADC_IN2 MUTE 8125IR + 2EC2 470u +5V STBY OUT_L POWER_ON C129 100nF R D3 HZ5B1 R133 1k 2Q4 2N3904 1 2 3 2Q3 2N3904 1 2 3 2R6 10.0K L35 +5V STBY LED_R LED_G L27 L33 L +5V STBY BACK_EN OUT_L R129 470 POWER_ON OUT_R R140 4.7k 2R2 1M VCC16 C127 100n 12 2R5 10.0K SHUTDOWN 2Q1 2N3906 1 23 R136 1k MUTE 8125IR 2R10 1K 2R7 10k R127 200R LED_R + 2C6 100uF/ 25V L29 ADC_

• Elenberg CTV-1515, 27 3. Audio C113 18pF + EC33 10uF TV_ SI F AUDI O-SEL0 C100 470pF R11410K C112 56pF R100 68k R95 2.7K YPbPr_L C99 1.5nF YPbPr_L C107 1.5nF + EC44 1uF C105 100nF EC45 100uF/ 16V C106 100nF + EC43 1uF SCART-AR R110 10K R99 1k SCART-LOU T RE SE T-TV C121 100nF FOR RUSSIA SCART-AL VCC5_TU NER R111 0/NC C118 56pF C119 0.1UF /NC C108 470pF C110 0.22UF R112 10K AV_R FB5 0805 L1206 SCART-RO UT AUDI O-L VGA-R TV_MO NO SCART-AL C114 0.22UF Y2 18.432MHz R105 1k R98 39k AUDI O-SEL1 C109 0.1UF U5 MSP3415G QFP44-6 2 3 43 40 41 37 38 39 11 10 13 12 15 17

• 2. FDS9435A Single P-Channel Enhancement Mode Field Effect Transistor SO-8 P-Channel enhancement mode power field effect transistors are produced using Fairchild's proprietary, high cell density, DMOS technology. This very high density process is especially tailored to minimize on-state resistance and provide superior switching performance. These devices are particularly s

• Elenberg CTV-1515, Part 3 Key ICs And Assemblies On Main Board On remote control board Serial No Position Type Serial no Position Type 1 U1 W39L040AP70Z 1 4U1 HL38B17 2 U2 AT24C32AN 3 U3 FLI8125-LF On power board 4 U4 24C02 1 U5 FSCM0765RGWDTU 5 U5 MSP3415G 2 U2 PC817 6 U6 CD4052 3 U3 KA431AZ 7 U7 U9 AP1513S 8 U8 L7808C-V On HI-voltage Board 9 U10 AZ1117H-1.8 1 U1 Bit3193 10 U11 FDS9435 2 Q2,Q6 AP4511M 11 2U1 TDA1517P

• 3. FLI8125 The FLI8125 is a cost-effective, highly-integrated, mixed signal solution for TV and Digital Video applications. It incorporates a multi-standard video decoder, high-speed triple 8-bit Analog-to-Digital Converter(ADC),and front end switching. An integrated VBI Slicer adds Closed Captioning(CC) and Teletext service support, and the built-in microprocessor enable

• Elenberg CTV-1515, Part 1 Brief Introduction Of The CTV-1515 Schematic Diagram Vcc5 FOR RUSSIA 按键板 SV1 逆变板 FOR RUSSIA SCART-AR B4 L7808 AV SCART SCART-AL 电源板 4052 FLI8125 TUNER Svideo—Y 接口 SW 主板 Y/PB/PR A4DC-DC IC AP1513 TV-SIF / MONO 逆变板 视频 TTL/LVDS SCART OUT PR S-VIDEO C3 屏 PB B3 SCART FOR IR Y A3 SPEAKER EAR PHONE R,G,B C2 电源 VGA HZ5B1 电源板 VGA-G B2 FLI8125 Vcc3.3 AMP STBY 5V MSP3415 A2 SW 16V 4052 PANEL AV/S-VIDEO AV—CVBS B1CVBS 3.3V 1.8V TUNER TV—CVBS Svideo—C AUDIO AMP TDA1517 A1 FLASH Y/PB/PR VGA C1 V

• Elenberg CTV-1515, SVN 204 AI Negative analog sync input for channels 1 through 4. This acts as the return Path for the Sources connected to SV Channel Inputs. This has to be AC coupled using a series 20 Ohm resistor and 0.1uF Capacitor network to Analog Ground Plane on board. VO_GND 205 AG Analog Ground. Must be directly connected to the analog system ground plane on board. VOUT2 206 AO Analog VOUT signal This is the Analog Video Output from the Decoder in the Composite Video format. This can be amplified and be fed to any video display device. VDD18_SC 207

• Elenberg CTV-1515, 39 01.40.CON.S13.AY.E002 SMD jack 1.25-20A 1 CON1 01.40.CON.DPH.E020 Jack PH-4A 1 CON2 01.40.CON.DPH.E024 Jack PH-5A 1 CON6 01.40.CON.DTJ.E004 Jack TJC3-2A 2 CON3 CON4 01.40.CON.DTJ.E012 Jack TJC3-6A 1 CON8 01.40.CON.DCZ.E007 VGA jack EV-015FC/15 1 JP2 01.40.CON.DDZ.ES-081-9 S end seed S-081-9 1 JP3 01.40.CON.DCZ.E102 Perch earphone jack CKX-3.5-02(without switch) 1 JP4 01.40.CON.DCZ.E164 Same core jack AV3-8.4-14G 1 JP1 01.40.CON.DCZ.E089 Same core jack AV3-8.4-14G 1 JP7 01.40.CON.DCZ.E450 Same core jack AV2-8.4-14/PB 1 JP8 01.40.CON.DCZ.E018 Power jack DDK2.5 1 JP6 01.37.PCB.2.E3671C Circuit board Main board3671C

• Elenberg CTV-1515, 32 HI-VOLTAGE BOAD F1 3A R6 560 R4 681 R10 681 T1 1 8 5 7 U1 BIT3193 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 INN CMP LOAD CTOSC TIMER ON/ OFF GND NOUT2 NOUT1 VDD PWMOUT CTPWM PWMDC CLAMP ISEN MODSEL C6 105 Q4 2N3906 R9 104 C12 472 C14 821 R13 153 D3 1SS355 OP1 C10 106 R17 474 C15 105 R12 NC J3 8.0-2A 1 2 T2 1 8 5 7 IC_VCC OP2 C7 223 OP2 R7 683 R8 103 BAV99 CR2 1 3 2 R15 683 Q3 2N3904 Q1 2N3904 IC_VCC R5 223 C17 222 C11 222 R11 223 C1 220uF/ 25V C22 105 BAV99 CR4 1 3 2 D1 7.5B 1 2 C18 222 J2 8.0-2A 1 2 C23 105 C3 106 R1 1206-102 NIA19LES018 C20 NC BAV99 CR3 1 3 2 Q5 2N7002 2 31

• Elenberg CTV-1515, 43 3. Tips Of Some Typical Troubleshooting White screen First check voltage in HI-voltage Board; otherwise check the voltage of MAIN board , if abnormal , the problem occurs in U7or U9. If the voltage is OK, check the LVDS. At last the connection between the main board and drive board may be the target for troubleshooting. Black screen This problem often arise from the voltage input to the screen, so the first step is to check the voltage of invert circuit. Otherwise check if the status is standby. If in TV mode, check the power for tuner is correct. No color Check if the connection with the extern

• Elenberg CTV-1515, 36 R160 R161 01.57.R.2.E302J SMD resistor 0603-3KΩ±5% 1 R144 01.57.R.2.E332J SMD resistor 0603-3.3KΩ±5% 1 R141 01.57.R.2.E472J SMD resistor 0603-4.7KΩ±5% 5 R5 2R9 R138 R139 R140 01.57.R.2.E103J SMD resistor 0603-10KΩ±5% 31 R3 R4 R6 R7 R9 R10 R11 R12 R13 R14 2R4 2R7 R34 R110 R112 R113 R114 R118 R119 R123 R124 R131 R135 R143 R148 R149 R152 2R6 2R5 2R8 2R10 01.57.R.2.E473J SMD resistor 0603-47KΩ±5% 6 R44 R45 R67 R68 R162 R163 01.57.R.2.E104J SMD resistor 0603-100KΩ±5% 5 R104 R116 R117 R142 R147 01.57.R.4.E105J SMD resistor 1206-1MΩ±5% 2 2R1 2R2 01.57.R.3.E2

• Elenberg CTV-1515, 35 Bom No Part No Part No QTY LTV06K-3670C01 02.15.LTD06K3670C01 Key board 1 Part No Name Specification QTY LOCA NO 01.57.R.2.E102J SMD resistor 0603-1KΩ±5% 3 R1 R2 R3 01.57.R.2.E202J SMD resistor 0603-2KΩ±5% 2 R4 R5 01.57.R.2.E472J SMD resistor 0603-4.7KΩ±5% 2 R6 R7 01.54.CS.2.E104Y SMD capacitor 0603-104 Y5V-20+80%/50V 3 C1 C2 C3 01.54.CS.B.E150 Press agile resistor AVLC18S03015 3 EP1 EP2 EP3 01.39.SW.QC.ED665 Touch switch 6*6*5(DIP 300g) 7 S1 S2 S3 S4 S5 S6 S7

• Elenberg CTV-1515, 17 PD46 132 O Blue channel bit 6 (Odd) Blue channel bit 4 (Odd) PD47 118 O Blue channel bit 7 (Odd) Blue channel bit 5 (Odd) Note: In case of 24 Bit TTL Panels the RGB Odd Channel Outputs will not be used. In that case they can be made available for other purposes as Address & Data from On-Chip Micro or Digital Video Input Data. Table 8: Parallel/Serial ROM Interface Pin Name No I/O Description A17 A16 A15 A14 A13 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 95 96 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114

• Elenberg CTV-1515, 18 4. TDA1517P 2 x 6 W stereo power amplifier The TDA1517 is an integrated class-B dual output amplifier in a plastic single in-line medium power package with fin (SIL9MPF), a plastic rectangular-bent single in-line medium power package with fin (RBS9MPF) or a plastic heat-dissipating dual in-line package (HDIP18). The device is primarily developed for multi-media applications. ·Features Requires very few external components High output power Fixed gain Good ripple rejection Mute/standby sw

• Elenberg CTV-1515, 23 ·Pin Description Pin No. Symbol I/O Descriptions 1 INN I/O The inverting input of the error amplifier. 2 CMP O Output of the error amplifier. 3 LOAD I/O A switch that connected to the high frequency triangle wave generator. This switch is open while ISEN pin <1.3V. An external resistor connected here may change the operation frequency of CTOSC in open load situation. 4 CTOSC I/O An external capacitor connected here can set the frequency of high frequency PWM controller. 5 TIMER I/O Wi

• Elenberg CTV-1515, 16 Table 7: TTL Display Interface Pin Name No I/O Description For 8-bit panels For 6-bit panels PBIAS 53 O Panel Bias Control (backlight enable) [Tri-state output, 5V- tolerant] PPWR 54 O Panel Power Control [Tri-state output, 5V- tolerant] AVDD_LV_33 56 DP Digital Power for TTL Block. Connect to digital 3.3V supply. VCO_LV 57 O Reserved. Output for Testing Purpose only at Factory. AVSS_LV 58 G Ground for TTL outputs. AVDD_OUT_LV_33 59 DP Digital Power for TTL outputs. Connect to digi

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