Zenith Presentation Series - Page 33

SERVICE MENU (continued)
SR23 - 923-03509 2-7 CS - SERVICE MENUS
150 Jmp_Sw: Reference jump mode ON/OFF. Range: 0-1,
Fixed Value: 00.
151 Vscroll: Vertical picture scroll control. Range: 0-63,
Initial value: 31.
152 Max_Line: Number of free-running lines setting.
Range: 0-254. Value: 33 for 15.75 KHz, NTSC mode.
16 for 37.9 KHz, monitor mode.
153V_Front_Blk: VBLK width control. Range: 0-127.
Value: 88 for 15.75 KHz, NTSC mode. 22 for 37.9 KHz,
monitor mode.
154 Blk_Sw: Switch for selecting whether to use
V_BACK_BLK, VTIM and V_FRONT_BLK registers, or to
use the timing at which VD is sliced inside the IC
when ZOOM_SW = 1. Range: 0-1, Fixed Value: 1.
155 V_Back_Blk: VBLK width control. Range: 0-127.
Value: 40 for 15.75 KHz, NTSC mode. 22 for 37.9 KHz,
monitor mode.
156 Non_Inter: Free-running interlace/non-interlace set-
ting during free running. Range: 0-1. Value: 0 for
15.75 KHz, NTSC mode. 1 for 37.9 KHz, monitor mode.
157 Vtim: VTIM fall position control from start of V_DRV
retrace. Initial value: 32.
SVGA IC 221-1376 FROM 158 TO 168
158 Mat-Out: Same description as item 64.
159 R-Drive: Same description as item 73.
160 G-Drive: Same description as item 74.
161 B-Drive: Same description as item 75.
162 R-Cutoff: Same description as item 79.
163 G-Cutoff: Same description as item 80.
164 B-Cutoff: Same description as item 81.
165 Sub-Bright: Same description as item 84.
166 Fix-Sync: Same description as item 86.
167 H-Width: Same description as item 88.
168 Blk-Bottom: Same description as item 105.
SVGA IC 221-1378 FROM 169 TO 204
169 Not Used
170 Left_Blk: Same description as item 113.
171 Right_Blk: Same description as item 116.
172 Fh_Sw: Same description as item 115.
173 Clp: Same description as item 118.
174 H_Position: Same description as item 120.
175 V_Angle: Same description as item 122.
176 V_Bow: Same description as item 123.
177 H_Comp: Same description as item 124.
178 Fhadj: Same description as item 125.
179 H_Size: Same description as item 126.
180 Pin_Phase: Same description as item 127.
181 Up_Pin: Same description as item 128.
182 Lo_Pin: Same description as item 129.
183 Up_Cpin: Same description as item 130.
184 Lo_Cpin: Same description as item 131.
185 V_Para1_Dc: Same description as item 132.
186 V_Para_Amp: Same description as item 133.
187 V_Para2_Dc: Same description as item 134.
188 V_Para2_Phase: Same description as item 135.
189 V_Para2_Amp: Same description as item 136.
190 V_Size: Same description as item 137.
191 V_Position: Same description as item 139.
192 V_S_Corr: Same description as item 142.