General Information; Parts; Htz-C7 - Pioneer HTZ-7 Service Manual

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7. GENERAL INFORMATION

7.1 PARTS

7.1.1 IC
TC9271F (IC7008: SVIDEO ASSY)
Digital Audio Interface Modulation and Transmission IC
Block Diagram
TE
L 13942296513
Pin Function
No. Name I/O
1 BLOCK O Block leading head position detection terminal
2 UBDA I User bit data input terminal
3 LRS I LRCK polarity selection terminal
L Level
L Level
4 LRCK I LR clock input terminal
5 BCK I Bit clock input terminal
6 DATA I 2-channel mode: Data input terminal
4-channel mode: Data input terminal 1
7 VLDY I 2-channel mode: Compensation flag input terminal
4-channel mode: Data input terminal 2
8 EMPH I Emphasis flag setting terminal
9 COPY I Parallel setting mode: Copy flag setting terminal
Serial setting mode: Fixed to "H"
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10 FS1 I Sampling frequency setting terminal 1
11 FS2 I Sampling frequency setting terminal 2
.
12 CKS I Clock division selection terminal
13 XI I Clock input terminal
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Serial Interface
Category Code Register
Description
LRCK
LRS
L
R ch Data L ch Data
L ch Data R ch Data
x ao
y
i
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HTZ-7, HTZ-C7, HTZ-SW7, HTZ-ST7
8
¶ The information shown in the list is basic information and may not
correspond exactly to that shown in the schematic diagrams.
+
Data Input Circuit
Clock Generation Circuit
Q Q
3 6 7 1 3
No. Name I/O
14 Vss ––
15 DO1 O
16 DO2 O
17 M1 I
R
18 M2 I
19 IS1 I
20 IS2 I
21 CTG1 I
22 CTG2 I
23 CTG3 I
24 FR32 O
25 LBIT I
26 CKA1 I
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27 CKA2 I
.
28 VDD ––
2 9 9 4 2 8
Biphase Mark
Modulation Circuit
Parity
Generation
Circuit
1 5 0 5 8 2 9 9 4
Description
GND terminal
Digital data output terminal 1
Digital data output terminal 2
Channel mode setting terminal 1
Channel mode setting terminal 2
Data input mode setting terminal 1
Data input mode setting terminal 2
Parallel setting mode: Category code setting terminal 1
Serial setting mode: Data input terminal
Parallel setting mode: Category code setting terminal 2
Serial setting mode: Clock input terminal
Parallel setting mode: Category code setting terminal 3
Serial setting mode: Latch pulse input terminal
FR32 output terminal
Parallel setting mode: LBIT input terminal 1
Serial setting mode: 32/192 bit switching terminal
m
Parallel setting mode: Clock accuracy setting terminal 1
Serial setting mode: Fixed to "H"
co
Parallel setting mode: Clock accuracy setting terminal 2
Serial setting mode: Output prohibited, fixed to "H"
Power supply voltage terminal
9 9
2 8 9 9
101