102
1
BD-DATA
O
CD data output.
2
BD-CLK
O
CD clock output.
3
BD-LAT
O
CD latch signal output.
4
AC-CUT
I
AC cut input. L= ON,H=OFF
5
N.C
—
Not used.
6
SQ-DATA-IN
I
Subcode Q data input.
7
SQ-CLK
I
Subcode Q data input.
8
GND
—
Connected to ground.
9
GND
—
Connected to ground.
10
XC IN
I
SUB CLOCK input. (32.768kHz)
11
XC OUT
O
SUB CLOCK output. (32.768kHz)
12
RESET
I
System reset input.
13
X-OUT
O
MAIN SYSTEM CLOCK output. (16MHz)
14
VSS
—
Vss
15
X-IN
I
MAIN SYSTEM CLOCK input. (16MHz)
16
VCC
—
Power supply. (+5V)
17
NMI
I
PULL UP (EVER +5V)
18
WAKE_UP
I
WAKE UP signal input. (L)
19
SCOR
I
CD Q-data request signal input.
20
RDS-INT
I
RDS interrupt signal input.
21
RDS-DATA
I
RDS data signal input.
22
CD-POWER
O
CD-POWER ON/OFF signal output. H=ON, L=OFF
23
STBY-RELAY
O
STANDBY relay control signal output.
24
PROTECT
I
Speaker protect signal input. L=ON, H=OFF
25
STK-MUTE
O
Power amplifier mute ON/OFF signal output. H=ON, L=OFF
26
RWLAY-H
O
Speaker terminal relay control signal output. H=ON, L=OFF
27
N.C
I
Not used.
28
REAR-RELAY
O
Rear speaker relay control signal output.(Not used.)
29
IIC_CLK
O
IIC SCL output.
30
IIC_DATA
O
IIC SDA output.
31
TXD1 (LD ON)
O
Write data output for FLASH connector/LD ON signal output.
32
SQ-DATA (X1-X2)
O
Read data output for FLASH connector/X’tal select signal output.
33
SQ-CLK (DA-MUTE)
O
Clock data output for FLASH connector/D/A converter mute signal output.
34
RST1 (OPT SEL)
O
Reset output for FLASH connector/Optical select signal output.
35
HEAD PHONE
I
Head phone signal detect. H=ON,L=OFF
36
LINE-MUTE
O
Line mute signal output. L=ON, H=OFF
37
MD/P-DOWN
O
MDM power down
38
TEST
I
Test terminal
39
CLOCK-OUT
I
Clock check signal input. (Not used.)
40
PL-LAT
O
Latch output to PRO-LOGIC IC
41
PL-CLK/SUR1
O
Clock output to PRO-LOGIC IC/Surround control signal output
42
PL-DATA/SUR2
O
Data output to PRO-LOGIC IC/Surround control signal output
43
502-LAT
O
Latch output to sound processor
Pin No.
Pin Name
I/O
Descriptions
Summary of Contents for HCD-ZX50MD
Page 9: ...9 BD CD BOARD To repair the BD CD board remove the bottom plate Bottom view ...
Page 66: ...HCD ZX50MD 66 66 7 11 SCHEMATIC DIAGRAM MAIN 1 4 SECTION See page 65 for Printed WIring Board ...
Page 67: ...HCD ZX50MD 67 67 7 12 SCHEMATIC DIAGRAM MAIN 2 4 SECTION See page 65 for Printed WIring Board ...
Page 75: ...HCD ZX50MD 75 75 7 20 SCHEMATIC DIAGRAM AMP US AEP UK G AED CIS model SECTION ...
Page 77: ...HCD ZX50MD 77 77 7 22 SCHEMATIC DIAGRAM AMP E MX AR HK MY SP KR AUS model SECTION ...
Page 81: ...HCD ZX50MD 81 81 7 26 SCHEMATIC DIAGRAM SWITCH SECTION ...
Page 83: ...HCD ZX50MD 83 83 7 28 SCHEMATIC DIAGRAM CD MECHANISM SECTION 09 Page 68 Page 68 R S ...
Page 116: ...116 MEMO ...