Hitachi 61HDX98B Manual page 38

Front Control PWB
4L
Avx 4 In Aux Input 4
4R
NOTE: The J31101 Lum type connector Pins are
opposite of PMT1. They are correct here.
DM-1
Digital Control Center
I001
Microprocessor
Signal PWB 1 of 2
Surround PWB 2 of 2
Left Rear Spk Jack
Right Rear Spk Jack
External Right Spk Jack
External Left Spk Jack
PL
Front Left Spk
SS01
2
Int.
PR
Spk.
Front Right Spk
2
DP-85 SERIES CHASSIS AUDIO SIGNAL PATH
(Main, Terminal & Audio Output)
PFV
8
7
PMT1
2 7
L-Audio (NTSC)
5 4
R-Audio (NTSC)
J31101
PST3
SCL1
47 5
SDA1
43 4
Terminal PWB
PSP1
Rear Left
5
Rear Right
7
1 12
I401
Ext.
FT/
Spk.
Audio
Output
3 7
IC
PCL
Center Spk
2
Center
I301
Terminal PWB
20
22
Lum/Audio
Selector IC
I202
3
+ 1
6
-
2
Main Audio
5
7
+
4
-
6
Main Audio
SCL1
27
PinP
SDA1
Audio
26
Out
PinP
Audio
In
Rear Output IC
12 I403 2
7 4
Q411
11
Front Left
2
Front Right
4
D414
Q403
11
D415
2
I402
12
Q407
Center Audio
11
Output IC
8
AVX 1
10
14
AVX 2
16
51
AVX 3
49
Signal PWB
PST1
Left Total Left Select
45 10
Right Total Right Select
11
43
L PinP Left
35 13
R PinP Right
33 14
Signal PWB
1
2 of 2
1
3 Mono PinP
20
PinP Tuner
Audio Output PWB
Rear Left
Rear Right
D426
Rear Speaker Off (PAS1 Pin 3)
D427
Mute (PAS1 Pin 5)
Main Audio
Front Speaker Off (PAS1 Pin 1)
Mute (PAS1 Pin 5)
D420
Center Speaker Off
LFE/SW
(PAS1 Pin 2)
D421
Mute (PAS1 Pin 5)
Sub Woofer
1L
1R
2L
2R
3L
3R
PSU1
1
2
9
10
PAS2
8
9
F L Out
1
F R Out
2
Center
4
6