-59-
Chassis Block Diagrams
POWER
KEY SW
LAMP BALLAST
IC001
AUDI
O
-OUT
<TP
A3111>
IC5001
AU
DIO
-C
ON
TO
L
<NJW1156
>
R/C RECEIVE
R
POWER SUPPL
Y
SW901 LAMP COVE
R
SWIT
CH
P.F
. C
ONTROL
SP901 SPEAKER
MUTE
LAMPDC_ON
POWER_SW
POWER_SW
R/C
MAIN
Q6845
FA
N_
CON_A
FA
N_
CO
N_
B
R/
C
4
ERROR:
H
P-
ON:H
P.F
ail:
L
2
1
1
Mute On:H
Mute On:H
Po
wer On:H
Po
wer On:L
L/R
VOL
UM
E
LAMP_SC
I
FA
N_ER
R
ON_33V
ON_150V
188
LAMP_DE
T
285
95
PIC_LAMP_LE
D
PIC_REA
DY
_LED
PIC_POWER_LED
ON_50
V
419
P_
FA
IL
LAMP_DC_ON
215
FA
N_SW1
FA
N_SW1
190
89
275,191, 189
IC3804
MUTE
KEY1
KEY1 KEY2
267
28
KEY2
126
16
4
R/C_PW
R/
C
R/C_PW
SCL1/SD
A1
SCL2/S
D
A
2
214
211,294
SCL0/SD
A0
293,212
290,208
30
120
FAN_C
ON_C
374
IC301
SCALER
Q6846
D6831
D6833
D6835
Q5035
LAMP REPLA
CE
W
ARNIN
G
POWER
IC4891 NAND
IC9882
INVERTER
2
6
8
13
22
12
7,9,10
1
3
10
19
3/6
3/6
5
15
20
23
11
K8R
K6
R
K8
S
2
1
K8
H
4
5
1
K8
D
K29D
3
3.3V_AL
L
FA
N
CO
NTROL
CIRCUIT
KEY SWIT
CH
SCL2/SD
A2
11
2
K8F
1 3
LAMP_DE
T
ON_16
V
96
ON_18
V
347
IC9885 SUB CPU
<
MB95F353>
PW
_M
AS
TE
R_
SD
O
PW
_M
AS
TE
R_
SD
I
PW
_M
AS
TE
R_
SC
K
POWER_KE
Y
K6H
K8K
1
3
2
IC3802SW
TEMP_LED
POW_KEY
21
16
System control