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– DISPLAY/POWER SECTION–
HEADPHONE
AMP
IC402
HP-L (+)
6
7
HP-L (–)
5
HP-R (+)
2
1
RELAY
HP-R (–)
3
DRIVE
Q401
RY401
DIGITAL POWER AMP
IC404
INA
FL (+)
6
OUTA
9
7
ENA
8
DIAGA
INB
FL (–)
16
OUTB
ENB
19
17
18
DIAGB
PROTECT
Q402,403
DIGITAL POWER AMP
IC406
INA
FR (+)
6
OUTA
9
7
ENA
DIAGA
8
INB
FR (–)
16
OUTB
19
17
ENB
DIAGB
18
PROTECT
Q404,405
DIGITAL POWER AMP
IC407
INA
C (+)
6
OUTA
9
7
ENA
8
DIAGA
INB
C (–)
16
A
OUTB
ENB
19
17
18
DIAGB
TUNER/DSP
PROTECT
SECTION
Q406,407
(Page 15)
IC409
WOOFER AMP
WO (+)
6
7
3
1
WO (–)
5
DIGITAL POWER AMP
IC410
INA
SL (+)
6
OUTA
9
7
ENA
DIAGA
8
INB
SL (–)
16
OUTB
ENB
19
17
18
DIAGB
PROTECT
Q409,410
DIGITAL POWER AMP
IC412
INA
SR (+)
6
OUTA
9
7
ENA
8
DIAGA
INB
SR (–)
16
OUTB
EN
ENB
19
17
18
DIAGB
PROTECT
Q411,412
IC401
+1.8V
1
3
+5V
+1.8V
REG
S806
S805
S804
TUNING
TUNING
MUTING
-
+
HPSW
HP-RY
D420
D421
D423
RELAY
DRIVE
Q408
SW-RY
D424
VOLUME
Q413
D425
25 17 16
55
56
POWER KEY
S801
=/1
S803
S802
SOUND
INPUT
FIELD
SELECTOR
41
KEY_INPUT (A/D3)
J401
PHONES
+3.3V
(STBY)
+10V
IC908
+3.3V
+3.3V
3
1
REG.
J402
D916,D917
+
+5V
FRONT
L
-
+6.5V
+
FRONT
R
-
Q908
PWCONT2
+
CENTER
-
SPEAKERS
(
(
IMPEDANCE
USE 4–16 Ω
+
REAR
L
-
+
ERONT
R
-
Q903
PWCONT1
BUFFER
IC904
VCONT
3
J403
SUB
AUDIO
WOOFER
OUT
STOP
RY402
+5V
5
6
DIN
4
1
3
2
CLK
10
8
IC801
RV801
9
STB
g
EEPROM
BUFFER
IC117
IC803
VOUT
1
5 6
67 66
54
34
33
61 62 63
8 10 12 48
EEPROM
FL DRV/
LED DRV
SYSTEM CONTROL
IC118 (2/2)
15
15
IC906
+3.3V
3
1
REG.
REGULATOR
IC903
L909
2
1
4
5
RECT
REGULATOR
T901
D109
IC907
POWER
TRANSFORMER
D911
L906
2
1
4
5
Q901
SWITCHING REGULATOR
LEVEL
DETECT
3
IC902
D
3
1
2
2
D906
+21V
D912
REG.
Q905
Q912
PC901
BUFFER
1
Q912,913
+3.3V
PC902
+7.2V REG.
Q902
FL DRIVER
IC802
DIN
1
7
SEG1
14
50
I
I
I
68
SEG16
29
65
FLUORESCENT
INDICATIOR
TUBE
42
4
8
GRID1
CLK
FL801
I
I
I
31
15
GRID2
9
D803
STB
(–30V)
30
VEE
IC119
RSTX
77
1
2
+3.3V (STBY)
RESET
1
FLASH1
28
FLASH1
FLASH2
2
FLASH2
27
5
RESET
6
MD0
49
MD0
7
MD2
51
MD2
STR-LV500
LF902
LF901
F1
D919
L
N
AC IN
D920
IC901
OCP/
FB/
SYNC
VCC
OLP
1
4
5
D905
D902
D933
+6.5V
T801
RECT
D801,802
D804,805
•Signal Path
: FM
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