Kenwood KVT-910DVD Service Manual page 13

GELECTRIC UNIT (X25-862X-XX)
Ref.No. Component name
IC90 NJM2267V
IC91 MM1234XFBE
IC92 NJM2267V
Q100,103 DTC114EUA, 2SB1188(Q,R) SW for P-CON
Q101,102 DTA124EUA, 2SA1576A Protection circuit for P-CON
Q104,105 2SB1443, 2SC4081
2SA1576A, 2SC4081,
Q106,107,108
2SA1576A
2SC4081, 2SA1576A,
Q109,110,111
2SC4081
Q112,113 DTC114EUA, 2SB1188(Q,R) SW for P-ANT
Q300 DTC144EUA
Q301 FMG2
Q302 FMA2
Q303 DTA124EUA
Q304,305 DTA144EUA, DTC144EUA ILL SW
Q306 DTA123JK
Q500 DTC144EUA
Q501 DTC144EUA
Q502 DTC144EUA
Q503,505 DTA144EUA, DTC144EUA AUDIO SW
Q504 2SD2114K
Q506,507 DTC144EUA, DTA124EUA MUTE SW
Q511 2SD2114K
Q512,513 DTA144EUA, DTC144EUA AUDIO SW
Q514,518 DTC124EUA, 2SB1277(Q,R) FM+B SW
Q515,519 DTC124EUA, 2SB1277(Q,R) AM+B SW
DTA124EUA, DTC114TUA,
Q516,517,521
2SC4081
Q520 DTC124EUA
Q522,523,
2SD2114K
524,525
Q526,527 DTC144EUA, DTC124EUA AUDIO SW
Q528,529 DTC144EUA, DTC124EUA AUDIO SW
Q601 DTC144EUA
Q700 2SA1906
Q701,703 2SB1443, 2SC4081
Q702,704 DTB123YK, DTC144EUA P ON(IC31)5V SW
Q705 2SB1565(E,F)
Q706 DTC144EUA
Q707 2SB1565(E,F)
Q708,718 2SB1443, DTC114YUA P ON (IC31) 14V SW
Q709 2SA1906
Q710 2SA1576A
Q711 2SC4081
Q712 2SC4081
Q713,714,715,
2SD2114K,
716,721,722
Q719,720 DTA124EUA, DTC144EUA MUTE SW
Q723 DTC144EUA
Q724 FMG2
Q728 2SA1576A
Q729 2SA1576A
KVT-910DVD/920DVD/930DVD/
COMPONENTS DESCRIPTION
Application / Functions
Video amplifier
RGB switch
Video amplifier
SW for DC/DC
Stagger stabilization circuit
Stagger stabilization circuit
Resetting SW
ON REQ/OFF REQ SW
SYS ON/SYS OFF SW
MUTE driver
EXT CON SW
SVR SW
TEST MODE SW
MUTE SW
GND SW
GND SW
Detection noise
K2I SW
AUDIO MUTE
DSP SW
8V AVR
5V AVR
5V AVR
ILL DET
8V AVR
8.5V AVR
Buffer
BU DET
ACC DET
AUDIO MUTE
Resetting SW
ON REQ/OFF REQ SW
Driver
Buffer
940DVD/960DVD
Operation / Conditions / Compatibility
6dB amplifier for SYNC and B signals.
For switching R.G.B signals.
6dB amplifier for R and G signals.
For MZ-BUS slave unit
At the time of power down, turned ON with base"H."
During TESTMODE, releases temperature protection of power amplifier.
For TDA7401
For MZ-BUS AUDIO switching
For MZ-BUS AUDIO switching
For PRE OUT
For MZ-BUS AUDIO switching
For MZ-BUS AUDIO switching
For NOISE detection AFC
K2I NARROW/WIDE forced switch
For speaker output
NAVI interruption audio selection when Q527 base is "L."
NAVI interruption audio selection when Q529 base is "L."
With DSP when base"H."
TV 8V
BU 5V
SW 5V
TV 5V
SW 8V
SW 14V
A 8.5V
For V MUTE (image)
PRE OUT
For AVOUT
For RCA output (image)
For VOUT2 (Image)
15