IC902
4
3
2
1
13
14
15
16
8
7
6
5
12
11
10
9
VDD
VSS
Q1
1
Q10
Q9
Q8
Q7
Q6
Q5
Q4
Q3
Q2
Q1
Q0
CLK
DA
T
A
4
3
2
1
4
3
2
1
IC505
4
3
2
1
8
7
6
5
3
2
1
4
3
2
1
5
4
3
2
1
4
3
2
1
3
2
1
4
3
2
1
7
6
5
8
4
3
2
1
7
6
5
8
11
10
9
12
W905
CP502
R931
1K
R932
1.2K
R933
1.5K
R934
1.8K
R935
2.2K
R936
3.3K
R937
4.7K
R938
6.8K
S901
S902
S903
S904
S905
S906
S908
S909
S907
POWER
SP B
BAND
FM_MODE
/EQN
TUN DWN
TUN UP
MEMOR
Y
PRESET
DISPLA
Y
MODE
R925
150
D941
MTZJ3R0BTA
Q903
C922
16V10
R943
1.5K
R944
1.8K
S91
1
S912
S913
S914
SP A
BI-WIRE
VGCA
DVD 6CH
R941
1K
R942
1.2K
R945
2.2K
KEY2
KEY1
LED CK
LED DT
REM
AF_MUTE
BK+5V
+5V
D_GND
R927
2.2K
C925
0.01
C924
16V10
R954 100
C926
100P
R955 100
C927 100P
R950 270
R951 270
R939 270
D935
D936
D937
W907
LED_DRIVE
LED_DIGIT
LED_TAPE
KEY_TAPE
R957
4.7K
Z901
R1681
22
R1683
22
R1685
22
R1687
22
R1689
22
R1697
22
R1695
22
R1693
22
R1691
22
R1679
1K
Q1681
R1680
1K
Q1682
R1699
3.3K
R1682
22
R1684
22
R1686
22
R1688
22
R1690
22
R1698
22
R1696
22
R1694
22
R1692
22
C1685
0.01
CP503
CN503
HP601
HEADPHONES
KEY CIRCUIT
TO
VOLUME
CIRCUIT
(CN502) ON
SCHEMATIC
DIAGRAM-10
TO
PANEL
CIRCUIT
(CN905) ON
SCHEMATIC
DIAGRAM-4
CN903
D931
TO
TONE
CIRCUIT
(W907) ON
SCHEMATIC
DIAGRAM-9
4
3
2
1
5
9
8
7
6
10
R530 39K
R529 39K
C532 0.01
C531 0.01
C534 16V10
C533 16V10
C517
33P
R515
470K
C519
50V4.7
C516
220P
R514 470K
R513 470K
C514 100P
C513 100P
C512
50V4.7
R512 56K
R51
1 56K
C511
50V4.7
C515
220P
C518
33P
R516
470K
C520
50V4.7
3
2
1
B
A
COM
R_TIN
AGND
DGND
R_TOUT
-14V
+14V
SEL2
SEL1
VR901
C920
100P
C921
100P
W906
W506
C521
50V4.7
C522
50V4.7
R521
22K
R522
22K
C523
0.012
100K
C524
0.012
C525
0.068
C526
0.068
R523
3.9K
R524
3.9K
R948
270
D933
R949
270
D934
LED_DIGIT
LED_TAPE
KEY_DIGIT
R946
3.3K
R947
4.7K
DIGIT
AL
S917
T
APE MONIT
OR
S918
LED_WHITE
C527
5600P
R525
2.2K
100K
R527
1.2K
C529
0.027
C528
5600P
R526
2.2K
R528
1.2K
C530
0.027
VR502
VR504
VR503
W907
CP904
D932
BASS
TREBLE
BALANCE
R3
L3
TO
PANEL
CIRCUIT
(CN906) ON
SCHEMATIC
DIAGRAM-4
TONE CIRCUIT
SCHEMATIC DIAGRAM - 9
TO
KEY CIRCUIT
(W907) ON
SCHEMATIC
DIAGRAM-9
TO
VOLUME
CIRCUIT
(CP506) ON
SCHEMATIC
DIAGRAM-10
6.37V
11.06V
11.72V
0.74V
0.74V
0.03V
0.03V
4.42V
0V
0.31V
4.7V
1.3V
0.98V
0.15V
4.1V
0.96V
0.94V
5.06V
0V
0V
0V
0V
0V
0V
14.07V
0.06V
0.06V
0.06V
HP_GND
HP_R
HP_L
Q903
2SA933SSTA
POWER SUPPLY
IC902
BU2090A
EXPENDER
REMOTE SENSOR
D936
SLR325YCT31
D935,D937
SLR325VCT31
LNWOA8CYBZ
LNWOA8CYBZ
CN904
Q1681-Q1682
2SD1915FTA
MUTING
IC505
NJM4580DD
TONE AMP
BALANCE
CONTROL
SLR325MCT31
SLR325YCT31
HEADPHONES
JACK CIRCUIT
CP903
4
3
2
1
4
3
2
1
0V
0V
0V
0V
4
3
2
1
5
:+B SIGNAL LINE
:-B SIGNAL LINE
LED 1 CIRCUIT
LED 2 CIRCUIT
:MAIN SIGNAL LINE
