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I was very glad recieving the service manal from You. Additionaly very fast. Extremaly nice servicing. Thanks very mach! Now my GX-220 working better, than it was made. Alexander from Moscow, Russia/
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Sweet! I won the item on eBay and couldn't adjust the geometry or even keep a steady picure. This guide has the full schematics (not available anywhere else as far as I could tell), and was a bargain for the wealth of knowledge it contains. I hooked it up to my testing equipment, tweaked a few potentiometers and got it playing videogames in no time. Thanks!
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It was just what I need to fix my old BMW's CD player. Very convenient also. Thank you.
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Great Manual! It contains all the wiring schematics and mechanical exploded views that are essential for service and repair. I was surprised I even found this for such an old machine. Only wish I knew of this site many years ago.
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Great manual very clear copied. You are making an incredible job. I appreciate a lot the rapidity and your efficiency. Thanks a lot
6. Input All white l (100 IRE) of [480p :D2] into the component input. 7. Adjust value of the AD_GAIN_D3_Y as follows with reading 2 registers of sony_input_r_y_min and sony_input_r_y_max from the ECS. Reference item sony_input_r_y_min+sony_input_r_y_max 2 sony_input_r_y_min sony_input_r_y_max Adjustment Adjustment condition register 178 ± 1 AD_OFFSET_D2_Y 178 +-5 0 178 +5 -0
4. Adjust value of the AD_OFFSET_D4_PR as follows with reading 2 registers of sony_input_g_cr_min and sony_input_g_cr_max from the ECS. Reference Adjustment Adjustment item condition register sony_input_g_cr_min+sony_input_g_cr_max 128 ± 1 AD_OFFSET_D4_PR 2 sony_input_g_cr_min sony_input_g_cr_max 128 +-5 0 128 +5 -0
5. Adjust value of the AD_OFFSET_D4_PB as follows with reading 2 registers of sony_input_b_cb_min and sony_input_ b_cb _max from the ECS. Reference Adjustment Adjustment item condition register sony_input_b_cb_min+sony_input_b_cb_max 128 ± 1 AD_OFFSET_D4_PB 2 sony_input_b_cb_min sony_input_b_cb_max 128 +-5 0 128 +5 -0
8. Input All red (50 IRE) of [480p :D2] into the component input. 9. Adjust value of the AD_GAIN_D2_PR as follows with reading 2 registers of sony_input_g_cr_min and sony_input_ g_cr _max from the ECS. Reference Adjustment Adjustment item condition register sony_input_g_cr_min+sony_input_g_cr_max 230 ± 1 AD_OFFSET_D2_PR 2 sony_input_g_cr_min sony_input_g_cr_max 230 +-5 0 230 +5 -0
6. Input All white l (100 IRE) of [720p :D4] into the component input. 7. Adjust value of the AD_GAIN_D4_Y as follows with reading 2 registers of sony_input_r_y_min and sony_input_r_y_max from the ECS. Reference item sony_input_r_y_min+sony_input_r_y_max 2 sony_input_r_y_min sony_input_r_y_max Adjustment condition 178 ± 2 178 +0 -5 178 +5 -0 Adjustment register AD_OFFSET_D4_Y
10. Input All blue (50 IRE) of [480p :D2] into the component input. 11. Adjust value of the AD_GAIN_D2_PB as follows with reading 2 registers of sony_input_b_cb_min and sony_input_ b_cb _max from the ECS. Reference Adjustment Adjustment item condition register sony_input_b_cb_min+sony_input_b_cb_max 230 ± 1 AD_OFFSET_D2_PB 2 sony_input_b_cb_min 230 +-5 0 sony_input_b_cb_max 230 +5 -0
8. Input All red (50 IRE) of [720p :D4] into the component input. 9. Adjust value of the AD_GAIN_D4_PR as follows with reading 2 registers of sony_input_g_cr_min and sony_input_ g_cr _max from the ECS. Reference Adjustment Adjustment item condition register sony_input_g_cr_min+sony_input_g_cr_max 230 ± 1 AD_OFFSET_D4_PR 2 sony_input_g_cr_min sony_input_g_cr_max 230 +-5 0 -0 230 +5
12. Repeat step 2 to 11 until the detection set value in step 3 to 5, 7, 9 and 11 above are obtained. 13. Perform the Service Save.
2-5. AD calibration adjustment of [720 :D4] input
1. Set the vgport_sel to 1 (YCbCr determination mode) of hardware register. Caution: This item is set 0 automatically when powered on. 2. Input All black signal (0 IRE) of [720p :D4] into the component input. 3. Adjust value of the AD_OFFSET_D4_Y as follows with reading 2 registers of sony_input_r_y_min and sony_input_r_y_max from the ECS. Reference item sony_input_r_y_min+sony_input_r_y_max 2 sony_input_r_y_min sony_input_r_y_max Adjustment Adjustment condition register 16 ± 2 AD_OFFSET_D4_Y 16 +0 -5 16 +5 -0
10. Input All blue (50 IRE) of [720p :D4] into the component input.
KLV-23HR1 (UC)
2-3
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