JVC TH-M55 Service Manual page 45

12
18 DVD-110
DVD-112
DVD-114
VIDEO-MUTE1
IC431
VIDEO-MUTE2
VIDEO
VIDEO-YCMIX
DRIVER
VIDEO-RGB
VIDEO-LPF
ET-IN
T
702
472
DVD-114
SET
DVD-118
4701
MHz
IC411
VIDEO-SW
VIDEO
SW1
Q4821
-BEAT
AM-BEAT
CUT
AVVLR
C-IN,AVC-OUT
Q4703
Phone jack board
HP
HP-L
IC601
HP-R
HP
L
AMP.
R
Q2501
Q2502 IC153
Q1131
MUTE
Hz
Q2521 6CH
Q1133
Q2561 VOL.
RX0 Q1135
TX0
Q2581
L0 VOL_STB
AT VOL_DT
NEL VOL_CK
MICS-
RX0
DET
MIACK-
MILP-
RST
HP_OUT_L
MUTE
HP_OUT_R
IC531
IC561
1 to 3
AUX
O,BCLK
IC581
TUNER
LK
IC591
Q1251
T1 to 3
AMP.
Q1252
T1 to 3
SELECT
LIN-
IC510
,RIN-
IC511
AMP.
Cr
J4402
Cb
COMPONENT
VIDEO OUT
Y
C
J4401
S-VIDEO OUT
Y
COMPOSITE
VIDEO OUT
C
J4411
S-VIDEO IN
Y
COMPOSITE
VIDEO IN
J4891
AV COMPULINK
HP
IC158
J1103
IC159
SYSTEM
IC160
CONN.
AMP.
S_MUTE
SW.P.ON
IC408
DIGITAL
IN
ASW1
ASW2
IEC958
TUNERL
TUNERR
IC151
INPUT
J1101
AUX IN
L-IN
R-IN
<Subwoofer section>
Speaker terminal
board
J401
LFE,FR,FL
SL,SR,C
Mini Din
CONN.
SPEAKER
&
ILLUMI.
RY403
SROUT
FCOUT
FCOUT
RY402
SLOUT
SLOUT
SROUT
FLOUT
FLOUT
FROUT
RY401
FROUT
AC IN
RY101
POWER
TRANS.
Q501 to Q505
POWER CONTROL
& PROTECTOR
Q511 to Q517
MUTE
CONTROL
Q521 to Q525
PROTECTOR
Q531,Q532
LOW VOLTAGE
DETECTOR
+35V
+17V
-35V
-17V
Mother board
P.ON
Q545
+35V
-35V
+17V
-17V
D151
T101
D152
+12V
Q151
+12V_REG.
+17V
+17V
-17V
Amplifier board (A)
FCIN
SLIN
SRIN
IC201
POWER
FCOUT
AMP.
SLOUT
SROUT
PRT
Q2101
Q2201
Q2301
Amplifier board (B)
LFEIN
FLIN
FRIN
IC301
POWER
LFEOUT
AMP.
FLOUT
FROUT
PRT
Q3101
Q3201
Q3301
2-2