Index: firmware/export/config/sansac200.h
===================================================================
--- firmware/export/config/sansac200.h	(revision 28650)
+++ firmware/export/config/sansac200.h	(working copy)
@@ -76,7 +76,7 @@
 #define HAVE_LCD_CONTRAST
 
 #define MIN_CONTRAST_SETTING        0
-#define MAX_CONTRAST_SETTING        255
+#define MAX_CONTRAST_SETTING        127
 #define DEFAULT_CONTRAST_SETTING    85
 
 /* #define IRAM_LCDFRAMEBUFFER IDATA_ATTR *//* put the lcd frame buffer in IRAM */
Index: firmware/export/config/sansac200v2.h
===================================================================
--- firmware/export/config/sansac200v2.h	(revision 28650)
+++ firmware/export/config/sansac200v2.h	(working copy)
@@ -71,7 +71,7 @@
 #define HAVE_LCD_CONTRAST
 
 #define MIN_CONTRAST_SETTING        0
-#define MAX_CONTRAST_SETTING        255
+#define MAX_CONTRAST_SETTING        127
 #define DEFAULT_CONTRAST_SETTING    85
 
 #if 0   /* not enough room for a 16 bits framebuffer */
Index: firmware/target/arm/lcd-c200_c200v2.c
===================================================================
--- firmware/target/arm/lcd-c200_c200v2.c	(revision 28650)
+++ firmware/target/arm/lcd-c200_c200v2.c	(working copy)
@@ -204,7 +204,7 @@
 
     lcd_send_command(R_DRIVER_OUTPUT_MODE, 0x07);
 
-    lcd_send_command(R_DCDC_SET, 0x03);
+    lcd_send_command(R_DCDC_SET, 0x01);
 
     lcd_send_command(R_DCDC_CLOCK_DIV, 0x03);