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5-1. BLOCK DIAGRAMS (1)
IC2000
TUNER
SOUND
TU1100
PROCESSOR
SCL
2
30
SDA
3
FM/AM
60
OSS
28
67
IC2300
27
CN2301
HEADPHONE AMPLIFIER
X2000
71
3
HP-L-OUT
L IN
3
6
25
TO H3 BOARD
1
HP-R-OUT
R IN
72
CN4302
1
7
24
RESET
48
J2200
AUDIO
21
47
REAR-L
SPEAKERS
REAR-R
CN5000
SWITCH
AUDIO MUTE
29
AV LINK
Q2500,
Q2401
17
RED 2
16
FS2
POWER OFF
LINE MUTE
MUTE
15
BLUE 2
Q2501, Q8481
14
GREEN 2
12
FS1
TO J BOARD
11
RED 1
CN3804
10
GREEN 1
9
BLUE 1
7
C SLAVE
6
CVBS SLAVE
4
C MAIN
3
CVBS MAIN
CN2002
3
PC L
TO J BOARD
1
PC R
CN3800
CN0001
3
SIRCS
TO H1 BOARD
5
LED
CN4404
A (
)
TUNER,AUDIO,
REGULATORS
CN4401
D4401
4
LAMP LED
5
STBY LED
Q4407
D4402
R
TO A BOARD
Q4401
CN0001
G
Q4404
7
POW ON
H2 (
)
LED INDICATORS
IC2400
AUDIO AMP WOOFER
CN2400
WOOFER SP
3
9
1
TO WOOFER
10
IC2500
AUDIO AMP
CN2003
R
1
7
2
TO
L
4
SPEAKERS
11
4
CN6202
AU+
1
AU+
PS2000
AU+
2
TO G BOARD
AU-
6
CN1606
AU-
PS2001
AU-
7
CN5201
RED 2
A21
BLUE 2
A23
GREEN 2
A24
FS1
A26
RED 1
A27
GREEN 1
A28
BLUE 1
A29
C SLAVE
A30
CVBS SLAVE
A31
FS2
A22
TO B BOARD
C-MAIN
A32
CN3100
CVBS-MAIN
B32
A20
AMPLIFIER
AV LINK
Q2003
KEY 1
A13
KEY 2
A5
RESET AUDIO
A18
LINE MUTE
A17
AUDIO MUTE
A16
SIRCS
A14
LED
A15
D4405
+7V
R
Q4402
G
Q4405
Q4403
Q4406
S4401
CN4402
4
1
SW+
5
TO G BOARD
SW+
4
CN1607 AND CN1615
6
3
IC4401
IR/RECEIVER
CN4404
SIRCS
4
OUT
STBY 5V
5
VCC
TO A BOARD
CN0001
KEY 2
2
S4402 - S4406
KEY 1
3
H1 (
)
USER KEY, SIRCS
S1000
CN1000
LAMP COV
3
GND
1
T (
)
LAMP
COVER
SWITCH
T1605
CN1601
1
AC
2
1
2
AC
F1601
MAIN RECT
3
4
D1602
CN1616
POWER SUPPLY
1
AC
RELAY
CONTROLLER
RY1601
PFC
3
AC
1
V SENSE
2
F/B
CN1615
3
CT
1
MAIN SW
TO H2 BOARD
4
RT
4
MAIN SW
CN4402
6
TIMER
CN1614
8
VC 1
1
BIMETAL
9
OCP
NO MATE
3
BIMETAL
POWER
CONTROL
CIRCUIT
Q1603
Q1604
Q1605
T1601
1
D1601
9
3
CONVERTER
4
AND
PROTECT
5
8
Q1601
Q1602
6
- 30 -
CN4302
HEADPHONE R OUT
1
HEADPHONE L OUT
3
TO A BOARD
CN2301
HEADPHONE SW
4
CN4303
V2-L
7
V2-R
9
V2-V
5
TO J BOARD
CN3800
V2-Y
1
V2-C
3
H3(
)
AV INPUT
HP OUT
T1603
D1608,
10
D1612,
D1635,
11
D1636
12
+17V
1
13
IC1601
14
BARRIER
2
DIODE
D1623
16
MOSFET
VD
18
TRANSISTOR
15
USED BY
VG
16
SWITCHING
CIRCUIT Q1606
17
+33V
VS
15
3
9
D1607
D1624
VB
14
MOSFET
TRANSISTOR
4
18
USED BY
VG (L)
12
D1625
SWITCHING
8
VC 2
10
CIRCUIT Q1607
PH1601
PHOTOCOUPLER
IC1602
0VP
4
1
1
3
2
3
1
IC1603
D1614
0VP
SUB -7V
G (
J4302
HEADPHONES
J4301
L
R
VIDEO
1
3
4
2
CN1602
+DC
1
TO A BOARD
CN6900
(POWER SUPPLY
-DC
3
BLOCK)
+11V
+5V
D1626
+4.5V
CN1606
AU +15V
1
+15V
AU +15V
2
PS1601
AU -15V
6
-15V
AU -15V
7
PS1602
TO A BOARD
CN6202
AU GND
3
AU GND
4
AU GND
5
CN1605
POWER-CTL
5
TO A BOARD
AC DET
6
CN6206
Q1608
3
)
POWER SUPPLY
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