Related Manuals for Konka KDL32AT23U
Summary of Contents for Konka KDL32AT23U
- Page 1 LCD TV SERVICE MANUAL Model list KDL32AT23U KDL37AT23U KDL42AT23U KONKA GROUP CO,LTD. Digital Flat Display Division PDF 文件以 "PDF 制作工厂" 试用版创建 ÿ http://www.fineprint.com...
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Page 2: Important Service Safety Information
IMPORTANT SERVICE SAFETY INFORMATION Operating the receiver outside of its cabinet or with its back removed involves a shock hazard. Those who are thoroughly familiar with precautions necessary when working on high voltage equipment should only perform work on these models. Exercise care when servicing this chassis with power applied. -
Page 3: Specification
A. SPECIFICATION Color System : NTSC_M、ATSC/Free QAM Sound System : BTSC/SAP Frequency range: Antenna(2~69)、Cable(2~135) Audio output power 10%THD 10W X 2 Antenna Impedance 75Ω(Unbalance) Power Consumption 180W(32”)，200W(37”),290W(42”) Power Supply : AC~110-240V, 60Hz item Port list RF ANTENNA & Cable Scart Composite Scart S_VIDEO Y(CVBS)、Cb/Pb、Cr/Pr HDMI... - Page 4 Using the remote control, press INPUT button once first , then press “2580” digital keys , and you can see manufacture menu on the LCD panel. 4.2 factory menu operation method Press the “ . ” key to select the page. Press the “▽△” to select the item you desired change, and press the “<...
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Page 5: Vga Input
1.Enter User menu, Check if the pictureis background is blue . normal, no Signal is would several minutes Signal enter mode Factory TV Signal or standby state Out NTSC Signal check TV Signal Generator etc is 2. Check Auto Scearch / Management、 right or not Play DVD Screen is clear and fluent, Audio checks if the... -
Page 6: Troubleshooting
Key IC list Item Type Circuit No. Qty. 19006050 SVPEX-52 19005519 HIDTV-EX8060 19006052 HY5DU561622ETP U16,U17 19005461 HY5DU281622ET U501,U502 19006051 JS28F640P30B85 19005530 RTL8139D 19005522 SIL9011 19005910 MSP4440 N705 Trouble Shooting Preparing to bring-up the System Step1:Check if there is any power (12V, 5V, 5VSB, 3.3V, 2.5V, 1.8V, …) shortage before power up refer to circuit diagram. - Page 7 27 MHz crystal(Y5) 33 MHz_OSC (Y9) is a square wave and is critical for system reliability. Step4: Measure EX(52)_RST, HiDTV_RST, PCI_RST, , and VCCH_RST. VCCH_RST(IR), should be equally delayed for about 1 second after power EX_RST should have about 230 ms, and HiDTV_RST should have about 240 ms delay after power up.
- Page 8 HDA005A Board Block Diagram DEVICE I2C SLAVE ADDRESS HiDTV - LX CVBS_OUTPUT PC AUDIO SVP-EX52 7Ch/7Dh YPBPR1 AUDIO PC_HDTV AUDIO CVBS Sil9011 60h/68h YPBPR2 AUDIO PCA9555 4Eh/4Fh S_Video Y/Pr/Pb1 SVP-EX52 LVDS OUTPUT Y/Pr/Pb2 8051_BUS PC IN AUDIO 8051 GPIO 1394/656 DOUT HDMI Sil9011...
- Page 9 3V3S 3V3S C550 C551 C552 C553 C554 C555 C556 C557 C558 C559 C560 C561 C562 3V3S 10uF/16V 0.1uF 0.1uF 0.1uF 0.1uF 1000pF 1000pF 1000pF 1000pF 1000pF 1000pF 1000pF 1000pF LX_INT2 R2210 LX_PG4 R134 R945 RST# 9,21 RST# R2259 R136 VS_EX 4.7K 4.7K DDC_SDA#...
- Page 10 VD3_3 VD3_3 8051_PS#=1: Select SVP-EX VD3_3 8051_PS#=0: Do Not Select 4.7K SVP-EX R100 R101 MPUGPIO0 R105 0 DNS MPU has Multiplex I2C Address:7E/7F 8051_PS Data/Address 10K_DNS (HIDTV) MPUGPIO1 R287 MPUGPIO4 MPUCS0N VDDMQ VDDMQ MPUGPIO2 R112 R103 R104 MPUGPIO3 R111 MPU has Separared I2C Address:7C/7D Address/data 1K_DNS...
- Page 11 3.3V-1 Audio3_L R753 R755 C746 0.33uF Audio3_L N704 78M08A Audio3_R N701 C731 0.33uF Audio3_R VOUT TUV1236D Philips TUV1236D R722 Audio2_L C755 0.33uF C711 C760 C774 C706 Audio2_L SCL_MST 0.1uF 0.1uF Audio2_R C734 0.33uF 100uF 100uF Audio2_R Terrestrial R738 SDA_MST Audio1_L C719 0.33uF Audio1_L C752...
- Page 12 LX_MD[0..63] 14,15 POWER_ON# 24,21 LX_INT2 PWRBT LX_DQS[0..7] 14,15 LX_WARMRST# 21 LX_DM[0..7] 14,15 LX_PG0 LX_MA[0..11] 14,15 VCCHRST# LX_PG1 U15B HiDTV LX_BA[0..1] 14,15 RTCRST# 8051_D[0..7] LX_WE# 14,15 LX_PG3 8051_D0 LX_DQS0 AB29 8051/656AD0 DQS0 LX_CAS# 14,15 8051_D1 AD29 LX_DQS1 LX_PG4 8051/656AD1 DQS1 8051_D2 AG29 LX_DQS2 LX_RAS#...
- Page 13 LX_FRA[0..25] 9,10,16,19 LX_GCS[3..5] LX_VCC_33 U15D HiDTV RN27 LX_FRA20 LX_CFG1 R166 0_DNS R167 3.3K LX_FRA21 LX_CFG2 LX_FRA22 LX_CFG3 R168 0_DNS R169 3.3K LX_FRA23 LX_CFG4 R170 0_DNS R171 3.3K 4.7Kx4 R172 0_DNS R173 3.3K RN28 LX_FRA24 LX_CFG5 R174 0_DNS R175 3.3K LX_FRA25 LX_CFG6 R176 R177...
- Page 14 11,14 LX_WE# 11,14 LX_MD[0..63] 11,14 LX_CAS# 11,14 LX_DQS[0..7] 11,14 LX_RAS# 11,14 LX_DM[0..7] 11,14 LX_CS# 11,14 LX_MA[0..11] 11,14 LX_CKE 11,14 LX_BA[0..1] LX_DDR_DQ40 LX_DDR_DQ59 LX_DDR_DQ53 LX_DDR_DQ32 DQ15 DQ15 LX_DDR_DQ42 LX_DDR_DQ60 LX_DDR_DQ50 LX_DDR_DQ39 LX_MCK1 DQ14 DQ14 LX_DDR_DQ41 LX_DDR_DQ56 LX_DDR_DQ52 LX_DDR_DQ38 DQ13 DQ13 LX_DDR_DQ46 LX_DDR_DQ63 LX_DDR_DQ55 LX_DDR_DQ36...
- Page 15 LX_VCC_33 C331 C332 R261 6.8K 27.000MHz 20pF_DNS 20pF_DNS LX_VCOTP 2SC2412K PI6CX100-27 R262 LX_VCC_33 R263 C333 NC_2 NC_7 FB25 300ohm,700mA LX_VCO_VIN LX_VCO_VDD 68pF C334 C335 C336 C337 LX_CLK27 CLKOUT PT7V4027WE 0.01uF 10uF/16V 10uF/16V (The R, C values in the LPF need be fine tuned) TOSLink Out SPDIFOUT CON10...
- Page 16 PCI_33 CON45 4 HEADER LAN_RXIN+ LAN_RXIN- C294 C295 C296 LAN_TXD- LAN_TXD+ 0.1uF 0.1uF 0.1uF LAN ENABLE = "HI" *For RTL8139DL application, all bead must be rated 5V_1 PCI_33 300mA/100ohm@100MHz VCTRL PCI_33 MMBT3906 VDD25 LAN_XOUT 5.6K,1% VDD25 (ISOLATEB) R215 LAN_XIN C301 C305 C306 R212...
- Page 17 5V_1 I/O EXPANSION LX_VCC_33 LX_VCC_33 C388 10uF/16V C391 0.1uF R319 R320 R310 R311 R312 R313 4.7k 4.7k 4.7K 4.7K 4.7K 4.7K PCA9555DB CON15 CON16 LX_PG0 9555_A1 5V_SDA R317 9555_A2 R318 5V_SCL SDA_SLV SDA_MST AUDSEL1 9555_A0 AUDSEL1 DISPEN DISPEN SCL_SLV SCL_MST AUDSEL2 LED_R AUDSEL2...
- Page 18 (HiDTV DDR) 5V_SB 5V_1 D3V3 (FOR HIDTV 3.3V RTC) VCCH_33 LX_VCC_25 CBW321611U121B CBW321611U121B RC1117/3.3V RC1117/2.5V 0.1uF 10uF/16V 0.1uF 100uF/16V 10uF/16V 0.1uF 100uF/16V 0.1uF (FOR HIDTV 1.8V) 5V_SB VCCH_18 RTC_VCC_33 (1A) VCCH_33 3.3V_SB (FORRTC 1.8V) CBW321611U121B VCCH_33 RTC_VCCH_33 CBW321611U121B RC1117/1.8V C365 C954 C955 10uF/16V...
- Page 19 5V_STB 12VSC 5V_STB (4A) CON39 FUSE CBW453215U310B (2A) R988 4.7K FUSE CBW453215U310B R989 100R_DNS D3913-05A(FOR LCD) R986 4.7K POWER_ON# 11,21 D5V/D6V/D9V CON9 D3V3 CBW453215U310B_DNS CBW453215U310B_DNS /DISPLAY/HV-ON /DISPLAY/HV-ON D5V/D6V/D9V 12V D2006-14A(FOR PDP) NC 5.6K C636 3.3nF MP1430DN CBW321611U121B C626 0.1uF C631 100pF COMP 5V_1 VD1_8...
- Page 20 (0.66:1) CAM350 PRO V 7.0 : Sat Dec 30 17:33:02 2006 - (Untitled) PDF 文件以 "PDF 制作工厂" 试用版创建 缀 ÿ http://www.fineprint.com...