Toshiba 21E88, Service Manual

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