Service manual

87109654321
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44
LC-15B4U-S
LC-15B4U-B
BLOCK DIAGRAM
AGC,AFT,SAW_SW,MODE 1,MODE 2
TV_V VPC_Y
VPC_PB,VPC_PR
SIF
V1_V
AV1_L,R
SY VIDEO
SC
SWITCH V_IN
IC3401
AMP
IC3502
V2_V IN/OUT
AV2_L,R IN/OUT V_IN/OUT
Y,PB,PR
DL,DR
OFL1
OFL
L_ERR
LAMP
CHECK
Q3705
Q3707
DC IN DC/DC 38V
SIG.VCC
Q3708
32V
23V
DC 12V T3701 9V 9V
8V
5V 5V
PWM -11V -11V
IC3701
2LAMPS
SIF AMP
Q3201,Q3202
SOUND
IC3501,Q3501 Q3502-Q3505
SWITCHSWITCH
AUDIO IN/OUT VIDEO IN/OUT
TUNER
TU3201
AV1
INPUT
S-VIDEO
INPUT
AV2
INPUT/OUTPUT
COMPONENT
INPUT AUDIO
DECODER
T6502, T6503
(
MSP
)
IC3304
AUDIO
FILTER
IC3301 IC3303
POWER AMP
IC3305
INVERTER UNIT
Q6500, Q6501
T6500, T6501
Q6503, Q6504
OFL REVERSE
Q3601
AND LED UN
JACK
J3303
R/C RECEIV
E
17V
HEADPHONE
AV2_R,L
SC1_OUT_R,L
INV VCC
PA VCC
Q3709
IC3702
SC3403
SP-L
SP-R
Q8451 Q8456
P8401
P3701
P35 02P3302P3301P3603
P3601
P3501
RXD,TXD
S_IN/OUT
Q3703
+12V1A