Functional Description - Hitachi CP2896TA Wartungshandbuch

MULTI CONCEPT
MX-CHASSIS

Functional description

7, 8
FRONTEND
Multi: Strobe to write I/O-latch
Single: APSi control
APSi filter/Strobe
IF ident.
10
resistor
Scart pin 10
47
Strobe
APSi
(Single norm)
IF Ident. 55
A/D
Line-out 3
status
6
RGB status
1 61
HP ind
+5V
Rec / IR
Local control
IR Receiver
2
I C
4, 5
TV tuner Subwoofer
ident.
24
16:9 ident.
63 2 50 51
AV-link
5
PWM
44, 45
SDA
SCL
µP
54
A/D
ICf3
53
A/D
52
A/D
7
M3L
62 46 64 4, 59, 60
49, 50, 51
TXT
7
ICr1
9, 10
4
DSP Reset
Sound
processor
Subwoofer
5
ICa2
mute
mute
OR
&
mute
12V
12Vp
Comb-Filter
module
28V
13 2
Bypass / NTSC
Comb-ID
APSi
&
test
15 16
Deco/Sync
Hor. shift
ICd1
5, 6
1, 2
Status 2
3 Service
Status 1
connector
Status 3
Hold
PIP-MODULE
E3-control
(3-state)
Video switch
PIP/ext. RGB
T V
AUDIO FEATURE BOX
15
85
Surround
PA
processor
Subwoofer
ICar2
Mute 2
Int-LS
PA
FEATURE BOX DB7xx
Deflection
IC 17
1
17, 18
FSC /
40,41
SVHS
40, 41
23
37
DPLL
38 VGA
IC 11
2
I C
5, 6 2, 4
NVM Video Switch
ICq1
ICf2
L-norm
PIP tuner
8
4, 5
5, 6
16
Deco/Sync
15
ICp3
1997
9,10
51, 61
IQTV µP
IC 18
8, 9
Bridges:
1/2 FM
27, 28
RGB processor
ICt1
IF
ICp1
8
3, 4
17, 18
PIP µP
ICp6