ASAHI KASEI [AKD4708-A] AKD4708-A AK4708 Evaluation Board Rev.0 GENERAL DESCRIPTION AKD4708 is an evaluation board for quickly evaluating the AK4708, AV SCART switch. Evaluation requires audio/video analog analyzers/generators and a power supply. Ordering guide AKD4708-A --- AK4708 Evaluation Board (Cable for connecting with printer port of IBM-AT, compatible PC and control software are packed with this.) FUNCTION • BNC connectors for analog audio input/output • BNC connectors for analog video input/output • 10pin header for serial control interface TVINL TVINR VP VD VVD AGND TVOUTL TVOUTR VCRINL VCRINR AINL+ AINL (AINL+-) AINRAINR (AINR+-) VCRFB ENCB ENCC ENCG ENCV ENCY ENCRC VCROUTL VCROUTR AK4708 TVFB TVSB VCRSB TVVOUT TVB TVG TVRC VCRVOUT VCRC TVVIN VCRVIN VCRB VCRG VCRGO VCRBO VCRFBO VCRRC Figure 1. AKD4708 Block Diagram * Circuit diagram and PCB layout are attached at the end of this manual. <KM085101> 2007/01 -1- ASAHI KASEI [AKD4708-A] EVALUATION BOARD MANUAL Operation sequence 1) Set up the power supply lines. [VP] (Orange) = 11.4 ∼ 12.6V (typ. 12V, for VP pin) [VD] (Red) = 4.75 ∼ 5.25V (typ. 5.0V, for VD pin) [VVD] (Red) = 4.75 ∼ 5.25V (typ. 5.0V, for VVD1 pin, VVD2 pin) [VCC] (Red) = 5.0V (for digital logic) [AGND] (Black) = 0V (for analog ground: VSS, VVSS) [DGND] (Black) = 0V (for digital ground) Each supply line should be distributed from the power supply unit. 2) Set-up jumper pins. (See the followings.) 3) Power on. The AK4708 should be reset once bringing SW1 “L” upon power-up. Jumper pins set up [JP1] (GND): Analog ground and Digital ground OPEN: Separated SHORT: Common. (The connector “DGND” can be open.) <Default> [JP2] (VD): Regulator +5V or VD connector OPEN: VD pin is supplied from VD connector. SHORT: VD pin is supplied to regulator +5V. (The connector “VD” can be open.) <Default> [JP3] (VVD): VD connector or VVD connector OPEN: VVD1 and VVD2 pins are supplied from VVD connector. SHORT: VVD1 and VVD2 pins are supplied from VD connector. (The connector “VVD” can be open.) <Default> [JP4] (VCC): VVD connector or VCC connector OPEN: Logic voltage is supplied from VCC connector. SHORT: Logic voltage is supplied form VVD connector. (The connector “VCC” can be open.) <Default> The regulator can be supplied 5.0V to all circuits by shorting JP2, JP3 and JP4 and supplying 12V to VP connector. [JP6] (VCRRC): VCRRC pin input select I: J16 (VCRRC) <Default> I/O: J36 (VCRCOUT) [JP7] (VCRG): VCRG pin input select I: J13 (VCRG) <Default> I/O: J37 (VCRGOUT) [JP8] (VCRB): VCRB pin input select I: J9 (VCRB) <Default> I/O: J38 (VCRBOUT) [JP9] (VCRFB): VCRFB pin input select I: J10 (VCRFB) <Default> I/O: J39 (VCRFBOUT) <KM085101> 2007/01 -2- ASAHI KASEI [AKD4708-A] [JP10] (GND): AINL- pin input select OPEN: J14 (AINL): 3pin <Default> SHORT: GND (Not use) [JP11] (GND): AINR- pin input select OPEN: J18 (AINR): 3pin <Default> SHORT: GND (Not use) The function of the toggle SW [SW1] (PDN): Resets the AK4708. Keep “H” during normal operation. The indication content for INT pin Changes of the 08H status can be monitored via the TEST1 (INT). The INT pin is the open drain output and goes “L” for 2µs (typ.) when the status of 08H is changed. Serial Control The AK4708 can be controlled via the printer port (parallel port) of IBM-AT compatible PC. Connect PORT1 (CTRL) with PC by 10-line flat cable packed with the AKD4708-A. The control software packed with this evaluation board supports I2C control only. Connect PC 10 wire flat cable 10pin Connector SCL SDA ACK AKD4708-A 10pin Header Figure 2. Connect of 10-line flat cable Analog Input/Output List Input Audio Output Input Video Output Slow Blanking Fast Blanking Input Output Input Output Signal Name J1 (TVINL), J4 (TVINR), J7 (VCRINL), J11 (VCRINR) J14 (AINL+, AINL-), J18 (AINR+, AINR-), J34 (AINL−), J35 (AINR−) J24 (TVOUTL), J27 (TVOUTR), J30 (VCROUTL), J32 (VCROUTR) J2 (ENCB), J5 (ENCC), J8 (ENCG), J12 (ENCV), J15 (ENCY) J17 (ENCRC), J3 (TVVIN), J6 (VCRVIN), J9 (VCRB) J13 (VCRG), J16 (VCRRC) J19 (TVVOUT), J20 (TVB), J23 (TVG), J26 (TVRC) J29 (VCRVOUT), Jxx (VCRC), Jxx (VCRGO), Jxx (VCRBO) J25 (VCRSB) J22 (TVSB), J25 (VCRSB) J10 (VCRFB) J28 (TVFB), Jxx (VCRFBO) Table 1. Analog Input/Output List <KM085101> Note Max. 2Vrms Max. 2Vrms Max. 2.15Vrms Max. 1.5Vpp Max. 3.0Vpp Max. VP+0.3V Max. VP Max. VVD1+0.3V Max. VVD2 2007/01 -3- ASAHI KASEI [AKD4708-A] CONTROL SOFTWARE MANUAL Set-up of evaluation board and control software 1. Set up the AKD4708-A according to previous term. 2. Connect IBM-AT compatible PC with AKD4708-A by 10-line type flat cable (packed with AKD4708-A). Take care of the direction of 10pin header. (Please install the driver in the CD-ROM when this control software is used on Windows 2000/XP. Please refer “Installation Manual of Control Software Driver by AKM device control software”. In case of Windows95/98/ME, this installation is not needed. This control software does not operate on Windows NT.) 3. Insert the CD-ROM labeled “AK4708 Evaluation Kit” into the CD-ROM drive. 4. Access the CD-ROM drive and double-click the icon of “akd4708-a.exe” to set up the control program. 5. Then please evaluate according to the follows. Operation flow Keep the following flow. 1. Set up the control program according to explanation above. 2. Click “Port Reset” button. 3. Click “Write default” button Explanation of each buttons 1. [Port Reset]: 2. [Write default]: 3. [All Write]: 4. [Function1]: 5. [Function2]: 6. [Function3]: 7. [Function4]: 8. [Function5]: 9. [SAVE]: 10. [OPEN]: 11. [Write]: Set up the USB interface board (AKDUSBIF-A) when using the board. Initialize the register of AK4708. Write all registers that is currently displayed. Dialog to write data by keyboard operation. Dialog to write data by keyboard operation. The sequence of register setting can be set and executed. The sequence that is created on [Function3] can be assigned to buttons and executed. The register setting that is created by [SAVE] function on main window can be assigned to buttons and executed. Save the current register setting. Write the saved values to all register. Dialog to write data by mouse operation. Indication of data Input data is indicated on the register map. Red letter indicates “H” or “1” and blue one indicates “L” or “0”. Blank is the part that is not defined in the datasheet. <KM085101> 2007/01 -4- ASAHI KASEI [AKD4708-A] Explanation of each dialog 1. [Write Dialog]: Dialog to write data by mouse operation There are dialogs corresponding to each register. Click the [Write] button corresponding to each register to set up the dialog. If you check the check box, data becomes “H” or “1”. If not, “L” or “0”. If you want to write the input data to the AK4708, click [OK] button. If not, click [Cancel] button. 2. [Function1 Dialog] : Dialog to write data by keyboard operation Address Box: Data Box: Input registers address in 2 figures of hexadecimal. Input registers data in 2 figures of hexadecimal. If you want to write the input data to the AK4708, click [OK] button. If not, click [Cancel] button. 3. [Function2 Dialog] : Dialog to evaluate DATT There are dialogs corresponding to register of 02h,0Dh. Address Box: Input registers address in 2 figures of hexadecimal. Start Data Box: Input starts data in 2 figures of hexadecimal. End Data Box: Input end data in 2 figures of hexadecimal. Interval Box: Data is written to AK4708 by this interval. Step Box: Data changes by this step. Mode Select Box: If you check this check box, data reaches end data, and returns to start data. [Example] Start Data = 00, End Data = 09 Data flow: 00 01 02 03 04 05 06 07 08 09 09 08 07 06 05 04 03 02 01 00 If you do not check this check box, data reaches end data, but does not return to start data. [Example] Start Data = 00, End Data = 09 Data flow: 00 01 02 03 04 05 06 07 08 09 If you want to write the input data to the AK4708, click [OK] button. If not, click [Cancel] button. <KM085101> 2007/01 -5- ASAHI KASEI [AKD4708-A] 4. [SAVE] and [OPEN] 4-1. [SAVE] All of current register setting values displayed on the main window are saved to the file. The extension of file name is “akr”. <Operation flow> (1) Click [SAVE] Button. (2) Set the file name and click [SAVE] Button. The extension of file name is “akr”. 4-2. [OPEN] The register setting values saved by [SAVE] are written to the AK4708. The file type is the same as [SAVE]. <Operation flow> (1) Click [OPEN] Button. (2) Select the file (*.akr) and Click [OPEN] Button. <KM085101> 2007/01 -6- ASAHI KASEI [AKD4708-A] 5. [Function3 Dialog] The sequence of register setting can be set and executed. (1) Click [F3] Button. The following is displayed. (2) Set the control sequence. Set the address, Data and Interval time. Set “-1” to the address of the step where the sequence should be paused. (3) Click [START] button. Then this sequence is executed. The sequence is paused at the step of Interval="-1". Click [START] button, the sequence restarts from the paused step. This sequence can be saved and opened by [SAVE] and [OPEN] button on the Function3 window. The extension of file name is “aks”. Figure 1. Window of [F3] <KM085101> 2007/01 -7- ASAHI KASEI [AKD4708-A] 6. [Function4 Dialog] The sequence file (*.aks) saved by [Function3] can be listed up to 10 files, assigned to buttons and then executed. When [F4] button is clicked, the window as shown in Figure 2 opens. Figure 2. [F4] window <KM085101> 2007/01 -8- ASAHI KASEI [AKD4708-A] 6-1. [OPEN] buttons on left side and [START] buttons (1) Click [OPEN] button and select the sequence file (*.aks) saved by [Function3]. The sequence file name is displayed as shown in Figure 3. ( In case that the selected sequence file name is “DAC_Stereo_ON.aks”) Figure 3. [F4] window(2) (2) Click [START] button, then the sequence is executed. 6-2. [SAVE] and [OPEN] buttons on right side [SAVE] : The name assign of sequence file displayed on [Function4] window can be saved to the file. The file name is “*.ak4”. [OPEN] : The name assign of sequence file(*.ak4) saved by [SAVE] is loaded. 6-3. Note (1) This function doesn't support the pause function of sequence function. (2) All files used by [SAVE] and [OPEN] function on right side need to be in the same folder. (3) When the sequence is changed in [Function3], the sequence file (*.aks) should be loaded again in order to reflect the change. <KM085101> 2007/01 -9- ASAHI KASEI [AKD4708-A] 7. [Function5 Dialog] The register setting file(*.akr) saved by [SAVE] function on main window can be listed up to 10 files, assigned to buttons and then executed. When [F5] button is clicked, the window as shown in Figure 4 opens. Figure 4. [F5] window <KM085101> 2007/01 - 10 - ASAHI KASEI [AKD4708-A] 7-1. [OPEN] buttons on left side and [WRITE] button (1) Click [OPEN] button and select the register setting file (*.akr). The register setting file name is displayed as shown in Figure 5. (In case that the selected file name is “DAC_Output.akr”) (2) Click [WRITE] button, then the register setting is executed. Figure 5. [F5] windows(2) 7-2. [SAVE] and [OPEN] buttons on right side [SAVE] : The name assign of register setting file displayed on [Function5] window can be saved to the file. The file name is “*.ak5”. [OPEN] : The name assign of register setting file(*.ak5) saved by [SAVE] is loaded. 7-3. Note (1) All files used by [SAVE] and [OPEN] function on right side need to be in the same folder. (2) When the register setting is changed by [SAVE] Button on the main window, the register setting file (*.akr) should be loaded again in order to reflect the change. <KM085101> 2007/01 - 11 - ASAHI KASEI [AKD4708-A] MEASUREMENT RESULTS Audio [Measurement condition] • Measurement unit : Audio Precision SYS-2722 • BW : 20Hz∼20kHz • Power Supply : VP=12V, VD=5V, VDD1=5V, VDD2=5V • Interface : Input: Cannon, Output: BNC : Room • Temperature • Volume#0 Gain : 0dB • Measurement signal line path: AINL/AINR → Volume#0 → TVOUTL/TVOUTR Parameter Input signal Measurement filter 20kLPF Results Lch [dB] 95.2 Results Rch [dB] 95.2 S/(N+D) (At 2Vrms Output) DR S/N 1kHz, 0dBFS 1kHz, -60dBFS “no-input 22kLPF, A-weighted 22kLPF, A-weighted 97.6 97.6 97.6 97.6 Plots Figure 1-1. FFT (1kHz, 0dBFS input) at 2Vrms output Figure 1-2. FFT (1kHz, -60dBFS input) Figure 1-3. FFT (Noise floor) Figure 1-4. THD+N vs. Input Level (fin=1kHz) Figure 1-5. THD+N vs. fin (Input Level=0dBFS) Figure 1-6. Linearity (fin=1kHz) Figure 1-7. Frequency Response (Input Level=0dBFS) Figure 1-8. Crosstalk (Input Level=0dBFS) <KM085101> 2007/01 - 12 - ASAHI KASEI [AKD4708-A] Video [Measurement condition] • Signal Generator : Sony Tectonics TG2000 • Measurement unit : Sony Tectonics VM700T • Power Supply : VP=12V, VD=5V, VDD1=5V, VDD2=5V • Interface : Input: BNC, Output: BNC : Room • Temperature • Measurement signal line path: S/N: ENCV → TVVOUT Y/C Crosstalk: ENCV → TVVOUT, ENCRC → TVRC DG, DP: ENCV → TVVOUT Parameter S/N Input Signal 0% Flat Field Y/C Crosstalk (Measured at TVVOUT) DG 100% Red Field (YÆENCV, CÆENCRC) Modulated Lamp DP Modulated Lamp Measurement Filter BW=15kHz to 5MHz Filter=Uni-Weighted BW=15kHz to Full Results 72.1 -45.0 (Note1) Min: -0.06 Max: 0.22 Min: -0.01 Max: 0.64 Unit dB dB % deg. Plots Figure 2-1. Noise spectrum (Input=0% Flat Field, BW=15kHz to 5MHz, Filter=Uni-Weighted) Figure 2-2. Y/C Crosstalk (Measured at TVVOUT, Input= 100% Red, ENCV=Y, ENCRC=C), BW=15kHz to Full) Figure 2-3. DG, DP (Input= Modulated Lamp) (Note1) Y/C Crosstalk: Reference Measurement: Results: 1.7dB (p-p) Composite signalÆENCV, no inputÆENCRC, TVRC is terminated by 75Ohm. Y/C Crosstalk: Measurement: Results: -43.3dB (p-p) YÆENCV, CÆENCRC, TVRC is terminated by 75Ohm. Y/C Crosstalk calculation: -43.3dB (p-p) - 1.7dB (p-p) = -45.0dB (p-p) <KM085101> 2007/01 - 13 - ASAHI KASEI [AKD4708-A] Plots (Audio) +0 AK4708 AINL/AINR Æ TVOUTL/TVOUTR: FFT: fin=1KHz, Input Level=0dB -10 -20 -30 -40 -50 -60 -70 d B r -80 A -100 -90 -110 -120 -130 -140 -150 -160 -170 -180 20 50 100 200 500 1k 2k 5k 10k 20k 10k 20k Hz Figure1-1. FFT (fin=1kHz, Input Level=0dBFS) +0 AK4708 AINL/AINR Æ TVOUTL/TVOUTR: FFT: fin=1KHz, Input Level=-60dB -10 -20 -30 -40 -50 -60 -70 d B r -80 A -100 -90 -110 -120 -130 -140 -150 -160 -170 -180 20 50 100 200 500 1k 2k 5k Hz Figure-1-2. FFT (fin=1kHz Input Level=-60dBFS) <KM085101> 2007/01 - 14 - ASAHI KASEI [AKD4708-A] AK4708 AINL/AINR Æ TVOUTL/TVOUTR: FFT: No-input +0 -10 -20 -30 -40 -50 -60 -70 d B r -80 A -100 -90 -110 -120 -130 -140 -150 -160 -170 -180 20 50 100 200 500 1k 2k 5k 10k 20k Hz Figure1-3. FFT (Noise Floor) -90 AK4708 AINL/AINR Æ TVOUTL/TVOUTR: THD+N Amplitude vs Input Amplitude: fin=1KHz -90.5 -91 -91.5 -92 -92.5 -93 -93.5 -94 d B r -94.5 A -95.5 -95 -96 -96.5 -97 -97.5 -98 -98.5 -99 -99.5 -100 -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 +0 dBr Figure1-4. THD+N vs. Input level (fin=1kHz) <KM085101> 2007/01 - 15 - ASAHI KASEI [AKD4708-A] AK4708 AINL/AINR Æ TVOUTL/TVOUTR: THD+N Amplitude vs Input Frequency: Input Level=0dB -90 -90.5 -91 -91.5 -92 -92.5 -93 -93.5 -94 d B r -94.5 A -95.5 -95 -96 -96.5 -97 -97.5 -98 -98.5 -99 -99.5 -100 20 50 100 200 500 1k 2k 5k 10k 20k Hz Figure1-5. THD+N vs. Input Frequency (Input level=0dBFS) AK4708 AINL/AINR Æ TVOUTL/TVOUTR: Linearity: fin=1KHz +0 -10 -20 -30 -40 -50 d B r A -60 -70 -80 -90 -100 -110 -120 -130 -140 -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 +0 dBr Figure1-6.Linearity (fin=1kHz) <KM085101> 2007/01 - 16 - ASAHI KASEI [AKD4708-A] AK4708 AINL/AINR Æ TVOUTL/TVOUTR: Frequency Response: Input Level=0dBFS +1 +0.9 +0.8 +0.7 +0.6 +0.5 +0.4 +0.3 +0.2 d B r +0.1 A -0.1 +0 -0.2 -0.3 -0.4 -0.5 -0.6 -0.7 -0.8 -0.9 -1 2k 4k 6k 8k 10k 12k 14k 16k 18k 20k 10k 20k Hz Figure1-7. Frequency Response (Input level=0dBFS) -70 T AK4708 AINL/AINR Æ TVOUTL/TVOUTR: Crosstalk: fin=1KHz, Input Level=0dBFS/No-input -75 -80 -85 -90 -95 d B -100 -105 -110 -115 -120 -125 -130 20 50 100 200 500 1k 2k 5k Hz Figure1-8. Crosstalk (Input level=0dBFS) <KM085101> 2007/01 - 17 - ASAHI KASEI [AKD4708-A] Plots(Video) AK4708 ENCV Æ TVVOUT: S/N: Input Signal=0% Flat Field, BW=15kHz to 5MHz, Filter=Uni-Weighted Figure 2-1. Noise spectrum (Input=0% Flat Field, BW=15kHz to 5MHz, Filter=Uni-Weighted) <KM085101> 2007/01 - 18 - ASAHI KASEI [AKD4708-A] AK4708 ENCV Æ TVVOUT/ENCRCÆTVRC: Y/C Crosstalk: Input Signal=100% Red Field, YÆENCV, CÆENCRC, BW=15kHz to Full Figure 2-2 Crosstalk (Measured at TVVOUT, Input= 100% Red Field, YÆENCV, CÆENCRC, BW=15kHz to Full) <KM085101> 2007/01 - 19 - ASAHI KASEI [AKD4708-A] AK4708 ENCV Æ TVVOUT: DG, DP: Input Signal=Modulated Ramp Figure 2-3 DG, DP (Input Signal= Modulated Lamp) <KM085101> 2007/01 - 20 - ASAHI KASEI [AKD4708-A] Revision History Date (YY/MM/DD) 06/09/30 Manual Revision KM085100 07/01/09 KM085101 Board Reason Revision First Edition 0 0 Add Measurement Results Contents Add Table Data, Plot Data IMPORTANT NOTICE • These products and their specifications are subject to change without notice. Before considering any use or application, consult the Asahi Kasei Microsystems Co., Ltd. (AKM) sales office or authorized distributor concerning their current status. • AKM assumes no liability for infringement of any patent, intellectual property, or other right in the application or use of any information contained herein. • Any export of these products, or devices or systems containing them, may require an export license or other official approval under the law and regulations of the country of export pertaining to customs and tariffs, currency exchange, or strategic materials. • AKM products are neither intended nor authorized for use as critical components in any safety, life support, or other hazard related device or system, and AKM assumes no responsibility relating to any such use, except with the express written consent of the Representative Director of AKM. As used here: (a) A hazard related device or system is one designed or intended for life support or maintenance of safety or for applications in medicine, aerospace, nuclear energy, or other fields, in which its failure to function or perform may reasonably be expected to result in loss of life or in significant injury or damage to person or property. (b) A critical component is one whose failure to function or perform may reasonably be expected to result, whether directly or indirectly, in the loss of the safety or effectiveness of the device or system containing it, and which must therefore meet very high standards of performance and reliability. • It is the responsibility of the buyer or distributor of an AKM product who distributes, disposes of, or otherwise places the product with a third party to notify that party in advance of the above content and conditions, and the buyer or distributor agrees to assume any and all responsibility and liability for and hold AKM harmless from any and all claims arising from the use of said product in the absence of such notification. <KM085101> 2007/01 - 21 - A B C D E VCC VCC VCC R12 470 R13 10k R14 470 2 3 5 6 11 10 14 13 A PORT1 A1-10PA-2.54DSA 2Y 3Y 4Y 7 1 9 12 U4A R16 1.8K 2 74LS07 VCC A VCC GND 16 8 C24 0.1u AINL- AINR+ AINR- 38 37 AINL+ 39 VCRBO 44 40 VCRGO 45 TVFB U3B 74HCT14 CN1 41 42 48pin_4 43 4 48 3 SW1 PDN C19 0.1u + C4 10u C3 0.1u B 2 2 B 1 1 3 H 2 14 74HCT14 7 14 U3A 1 L VCC 7 1 2 VCC R15 10k D1 HSU119 VCRVOUT CTRL VCC VCRFBO 74HCT157 SCL SDA ACK 46 9 7 5 3 1 A/B G 1Y 47 10 8 6 4 2 1 15 1A 1B 2A 2B 3A 3B 4A 4B 4 7 10k 14 U2 R11 14 U3C 74HCT14 74LS07 TVVOUT 6 3 3 37 2 VSS TVVOUT PVCOM 36 35 14 U4D U3D VVD2 4 TVRC 5 C10+ 10u C9 0.1u 4 34 34 VVD2 DVCOM TVRC VP 33 33 1 5 U1 AK4708 8 74HCT14 U3E 35 32 + C8 10u C7 0.1u TVG 6 TVB 7 VVD1 8 6 7 TVG TVOUTL TVB TVOUTR 31 32 VP1 31 TVOUTL 30 30 TVOUTR 29 VCROUTL 28 VCROUTR 27 TVINL 26 TVINR 25 VCRINL C 1 7 74LS07 9 7 6 + C2 10u C1 0.1u 2 14 U4C 14 14 5 C VD1 36 1 AINR+ AINR- 38 39 AINL- AINL+ 40 41 SCL 42 SDA 43 PDN 44 VCRBO 45 VCRGO VCRFBO VVSS 48pin_3 1 5 VD 2 7 4 7 14 U4B VCRC 46 1 2 2 3 CN3 + C6 10u C5 0.1u 2 1 1 VCRVOUT 48 TVFB VCRC VCC VCC 47 CN2 48pin_1 7 8 VVD1 VCROUTL 29 74HCT14 U3F ENCB 9 ENCG 10 ENCRC 11 ENCC 12 9 10 ENCB VCROUTR ENCG TVINL ENCRC TVINR 28 27 26 VCRINR 25 24 TVSB 23 INT VCRSB 22 21 VCRB 20 VCRG 19 VCRRC 18 VCRFB 17 16 13 12 VCRVIN VCRINL TVVIN ENCC 15 12 ENCY 74HCT14 11 ENCV 7 12 14 14 7 74LS07 13 13 74LS07 U4F 10 14 14 U4E 10 7 11 11 74LS07 C11 0.1u 2 8 7 9 C12+ 10u 14 15 16 17 18 19 20 21 22 23 24 ENCY TVVIN VCRVIN VCRFB VCRRC VCRG VCRB INT VCRSB TVSB VCRINR CN4 13 D ENCV D 48pin_2 E E Title Size A2 Date: A B C D AKD4708-A AK4708 Logic 1 Document Number Wednesday, August 23, 2006 E Sheet Rev 0 of 3 B Video Output Video Intput J12 ENCV C40 0.1u ENCV 1 TVVOUT R30 75 J7 C36 VCRINL 0.47u 2 3 4 5 2 3 4 5 R25 300 C50 10u 1 VCRINL 1 R46 10k C34 0.1u 1 TVB R23 75 C37 0.1u ENCG 1 VCRVOUT C30 0.47u R19 300 TVINL C33 0.47u 1 R22 300 C53 10u 1 TVINR J34 AINL+ C45 0.47u R35 300 1 1 AINL+ 1 J36 VCRCOUT R59 75 ENCB 1 VCRC VCRCOUT C42 0.47u 2 3 4 5 R32 300 JP10 GND J22 TVSB R43 300 1 TVSB C J3 TVVIN 2 3 4 5 C32 0.1u J37 VCRGOUT R60 75 1 TVVIN 1 VCRGO R20 75 VCRGOUT R24 75 2 3 4 5 J18 AINR 1 3 JP6 VCRRC I/O J16 VCRRC 2 3 4 5 R101 (Short) AINR- VD1 R102 (Short) C41 0.1u VCRG I 1 TEST43 INT R18 300 INT Blanking Input JP7 VCRG I/O 2 3 4 5 D VCRRC R17 10k VCRGOUT R31 75 VCRFBOUT JP9 VCRFB I/O J10 VCRFB VCRBOUT JP8 VCRB I/O E J9 VCRB 2 3 4 5 VCRFBOUT R34 75 J13 VCRG 2 3 4 5 1 VCRFBO R37 300 JP11 GND C44 0.1u I 1 J39 VCRFBOUT R62 75 C47 0.47u + VCRCOUT D 2 3 4 5 1 3 VCRBOUT AINR+ 2 1 VCRBO 1 VCRSB R38 300 1 2 J38 VCRBOUT R61 75 VCRVIN 2 3 4 5 C48 0.47u + C35 0.1u 1 C J25 VCRSB R47 300 J6 VCRVIN 2 3 4 5 2 3 4 5 J35 AINR+ 2 3 4 5 2 3 4 5 AINL- + R21 75 1 TVFB 3 C31 0.1u 1 B J28 TVFB R51 75 1 3 J2 ENCB 2 3 4 5 2 3 4 5 Blanking Output 2 J14 AINL 2 3 4 5 J32 VCROUTR R56 300 VCROUTR R57 10k 2 3 4 5 2 3 4 5 J30 VCROUTL R53 300 VCROUTL R54 10k J4 TVINR 2 3 4 5 C52 10u 1 + R26 75 1 + 2 3 4 5 J1 TVINL J29 VCRVOUT R52 75 1 2 3 4 5 J27 TVOUTR R49 300 TVOUTR R50 10k + ENCC 2 3 4 5 J20 TVB R40 75 1 2 3 4 5 C51 10u VCRINR + R36 75 J8 ENCG 2 3 4 5 1 TVG R29 300 1 + 2 3 4 5 2 3 4 5 J23 TVG R44 75 ENCRC J11 C39 VCRINR 0.47u 2 3 4 5 + C46 0.1u 1 J5 ENCC B 1 TVRC R33 75 J17 ENCRC 2 3 4 5 J26 TVRC R48 75 ENCY 2 3 4 5 A + C43 0.1u 1 2 J15 ENCY J24 TVOUTL R45 300 TVOUTL A 2 3 4 5 E Audio Output Audio Intput J19 TVVOUT R39 75 1 D + 2 3 4 5 C + A I 1 R103 (Short) 2 3 4 5 C38 0.1u R104 (Short) VCRFB I 1 R28 75 E VCRB R27 75 Title Size A2 Date: A B C D AKD4708-A Audio Video Input Output Wednesday, August 23, 2006 2 3 Document Number Sheet E of Rev 0 A B L1 (short) 1 C22 + 0.1u 2 VD1 A + C28 47u 2 C21 47u E 1 C20 + 0.1u OUT D VD 3 2 C27 47u IN JP2 VD 2 VP1 1 2 1 A 1 T1 NJM78M05FA GND VP L4 (short) C L5 (short) 1 VCC JP4 VCC 2 VCC C25 0.1u + C23 47u C26 0.1u for for 74HC14 74LS07 B JP3 VVD VVD L2 (short) 1 VP 1 + C29 47u VVD1 1 2 VVD2 2 T45_O 2 L3 (short) 1 VP B VD C VD C 1 T45_R VVD VVD 1 T45_R VCC VCC 1 AGND T45_R JP1 GND DGND D D AGND 1 T45_BK DGND 1 T45_BK E E Title Size A4 Date: A B C D Document Number AKD4708-A Power Supply Wednesday, August 23, 2006 Sheet 3 E Rev of 0 3