51
44
502-DATA
O
Data output to sound processor
45
502-CLK
O
Clock output to sound processor
46
ST-CLK
O
TUNER clock signal output.
47
ST-DIN
I
TUNER data input.
48
ST-DOUT
O
TUNER data output.
49
ST-CE
O
TUNER chip eneble output.
50
TUNED
I
TUNED detect signal input. L=ON, H=OFF
51
STEREO
I
STEREO detect signal input. L=ON, H=OF
52
ST-MUTE
O
Tuner mute signal output.
53
AMS-IN
I
AMS signal input. L=ON,H=OFF”
54
TC-MUTE
O
Tape deck line mute ON/OFF signal output. H=ON, L=OFF
55
R/PB/PAS
I
REC/PB/PASS select signal input.
56
NR-ON/OFF
O
DOLBY NR ON/OFF signal output. H=ON, L=OFF
57
REC-MUTE
O
REC mute ON/OFF signal output. L=ON, H=OFF
58
BAIS
O
BIAS ON/OFF signal output.H=ON, L=OFF
59
EQ-H/N
O
EQ High/Normal select signal output. H=High, L=Normal
60
PB-A/B
O
Playback deckA/B select signal output. H=deckB, L=deckA
61
ALC
O
ALC ON/OFF signal output. L=ON, H=OFF
62
VCC
—
Power Supply (+5V)
63
TC-RELAY
O
Tape deck relay ON/OFF signal output. H=ON, L=OFF
64
VSS
—
Ground.
65
A TRIG
O
A deck trigger control signal output.H=ON, L-OFF
66
B TRIG
O
B deck trigger control signal output.H=ON, L-OFF
67
CAPM-H/L
O
Capstan motor High/Low speed control signal output.
68
CAPM-CNT
O
Capstan motor REV/FWD/STOP control signal output.H=REV, L=FWD/STOP
69
A HALF
I
A deck half detect signal input.
70
A PLAY
I
A deck play detect signal input.
71
B PLAY
I
B deck play detect signal input.
72
IIC-BUSY
I
IIC_BUSY(Not used.)
73
LOD-POS
O
CD loading motor control signal output
74
LOD-NEG
O
CD loading motor control signal output
75
OUT SW
I
Detection input from the tray open/close detect switch (S708) on the CD mechanism block
76
MIDOUT SW
I
Detection input from the mid out detect switch (S701) on the CD mechanism block
77
IN SW
I
Detection input from the tray open/close detect switch (S704) on the CD mechanism block
78
MIDIN SW
I
Detection input from the mid in detect switch (S703) on the CD mechanism block
79
CLP-POS
O
CD elevator up/down motor (M701) control signal output to the motor driver IC (IC701)
80
CLP-NEG
O
CD elevator up/down motor (M701) control signal output to the motor driver IC (IC701)
81
INIT SW
I
Detection input from the INIT detection switch (S705) on the CD mechanism block
82
CNT-SW
I
Detection input from the count detect switch (S706) on the CD mechanism block
83 to 85
ENC2, ENC1, ENC0
I
Detection input from the disc tray address detect rotary encoder (S707) on the CD
mechanism block
86
DISC-SENS
I
Detection input from the disc in detect sensor (D704 and Q703) on the CD mechanism
block
87
PRTC SW
I
Detection input from the CD tray door open/close detect switch (S702)
88
SOFT-TEST
—
Not used.
Pin No.
Pin Name
I/O
Descriptions
Summary of Contents for MHC-ZX10 - Mini Hifi Component System
Page 29: ...HCD ZX10 28 28 6 3 PRINTED WIRING BOARD BD SECTION See page 23 for Circuit Boards Location ...
Page 34: ...HCD ZX10 33 33 6 8 SCHEMATIC DIAGRAM MAIN 1 3 SECTION 1 3 1 3 ...
Page 42: ...HCD ZX10 41 41 6 16 SCHEMATIC DIAGRAM SWITCH SECTION ...
Page 44: ...HCD ZX10 43 43 09 H I Page 34 Page 34 6 18 SCHEMATIC DIAGRAM CD MECHANISM SECTION ...
