General Information; Parts - 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
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
LRS
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"
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
Serial Interface
Category Code Register
Data Input Circuit
Clock Generation Circuit
Description
LRCK
L
R
R ch Data
L ch Data
L ch Data
R ch Data
HTZ-7, HTZ-C7, HTZ-SW7, HTZ-ST7
¶ The information shown in the list is basic information and may not
correspond exactly to that shown in the schematic diagrams.
Biphase Mark
Modulation Circuit
Parity
+
Generation
Circuit
No. Name I/O
14
Vss
––
GND terminal
15
DO1
O
Digital data output terminal 1
16
DO2
O
Digital data output terminal 2
17
M1
I
Channel mode setting terminal 1
18
M2
I
Channel mode setting terminal 2
19
IS1
I
Data input mode setting terminal 1
20
IS2
I
Data input mode setting terminal 2
21 CTG1
I
Parallel setting mode: Category code setting terminal 1
Serial setting mode: Data input terminal
22 CTG2
I
Parallel setting mode: Category code setting terminal 2
Serial setting mode: Clock input terminal
23 CTG3
I
Parallel setting mode: Category code setting terminal 3
Serial setting mode: Latch pulse input terminal
24
FR32
O
FR32 output terminal
25
LBIT
I
Parallel setting mode: LBIT input terminal 1
Serial setting mode: 32/192 bit switching terminal
26 CKA1
I
Parallel setting mode: Clock accuracy setting terminal 1
Serial setting mode: Fixed to "H"
27 CKA2
I
Parallel setting mode: Clock accuracy setting terminal 2
Serial setting mode: Output prohibited, fixed to "H"
28
VDD
––
Power supply voltage terminal
Description
101

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