Toshiba 21E88 Service Manual page 22

NICH MONO->NICAM level
Bit 2
NOIS
Bit 7-
Bit 0
VATT Audio ATT
COM1 No use
No use
COM2
NICAM chip five-equalizer data when the sound mode set to MUSIC: (No use in simple
EQU1(12
version)
345)
B15 (for 10KHz)
NICAM chip five-equalizer data when the sound mode set to NEWS: (No use in simple
EUQ2(12
version) B21 (for 120Hz) B22 (for 500 Hz) B23 (for 1.5KHz) B24 (for 5KHz) B25
345)
(for 10KHz)
NICAM chip five-equalizer data when the sound mode set to THEATRE: (No use in
EQU3(12
simple version) B31(for 120Hz) B32 (for 500 Hz) B33 (for 1.5KHz) B34 (for 5KHz)
345)
B35 (for 10KHz)
Highest four bits :BBE Low contour(0dB to 15dB) £»Lowest four bits: BBE process(0dB
BBE
to 15dB)
OSDF OSD frequency set
Bit 1
LANG
Bit 0
MDB68
MDB effect strength
(0x49)
MDB6A
MDB harmonic content
(0x30)
SERVICE MANUAL
(No use in simple version)
AFC gain data setting in TV mode: 1: Adjust HAFC gain in the lowest two bits of HAFC
0: With weak signal received, AFC gain = 0x10; with strong signal received, AFC gain = 0x00
Criterion of signal strength:
00:-85DB or less 7F:0DB (7 BITS)
B11 (for 120Hz) B12 (for 500 Hz)
Chinese 1: Yes
English 1: Yes
00 hex MDB OFF (default)
7F hex maximum MDB
(No use in simple version)
00 hex no harmonics are added (default)
64 hex 50% fundamentals + 50% harmonics
7F hex 100% harmonics
>NOIS: Weak signal
<= NOIS: Strong signal
B13 (for 1.5KHz)
20
B14 (for 5KHz)
0: No
0: No
(No use in simple version)
(continued)