Sony HCD-ZUX9 Service Manual - Page 81

Sony HCD-ZUX9 Manual

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HCD-ZUX9 Pin No. Pin Name I/O 39 TBL-SENSE I 40 E-3 I 41 E-2 I 42 E-1 I 43 TMF O 44 TMR O 45 LMF O 46 LMR O 47 UNDER VOLTAGE I 48 OVER VOLTAGE I 49 SPEED FAN-HI O 50 FR_RELAY O 51 STK-MUTE O 52 H/P-MUTE O 53 PROTECTOR I 54 H/P_DETECT I 55 LINE-MUTE O 56 M61530-DATA O 57 M61530-CLK O EFFECTOR_SOURCE 58 O _SELECT2 EFFECTOR_SOURCE 59 O _SELECT1 60 EFFECTOR_SELECT O 61 EFFECTOR_CTRL3 O 62 VCC - 63 EFFECTOR_CTRL2 O 64 VSS - 65 EFFECTOR_S3 O 66 EFFECTOR_S2 O 67 EFFECTOR_S1 O 68 EFFECTOR_S0 O 69 EFFECTOR_CTRL1 O 70 M61537-DATA O 71 M61537-CLK O [REC-MUTE]/ 72 O SURR_RELAY 73 DISPLAY-KEY I 74 POWER-KEY I [TC-MUTE]/ 75 I ML2252_BUSY2 [TC-RELAY]/ 76 O I/O_EXP_DATA-OUT [REC-BIAS] 77 O I/O_EXP_PWR-CTRL [B-TRIG] 78 O I/O_EXP_LATCH [CAPM-CNT]/ 79 O I/O_EXP_CLK Pin Description Disc tray position detection signal input from CDM Disc tray status detection signal input from CDM Disc tray status detection signal input from CDM Disc tray status detection signal input from CDM CDM turning motor control signal output CDM turning motor control signal output CDM loading motor control signal output CDM loading motor control signal output Under-voltage protection detection input Over-voltage protection detection input Fan speed control signal output "L": high speed Relay drive signal output for the front speakers "H": relay on Power amplifier on/off control signal output "H": amplifier on Headphone muting on/off control signal "L": muting on Speaker protect detection signal input from speaker protect circuit "L": protector on Headphone connection detection signal input "H": headphone connected Line muting on/off control signal "H": muting on Serial data output to electric volume, M61530FP Serial data transfer clock signal output to electric volume, M61530FP Control signal 2 output to source selector at the effector circuitry Control signal 1 output to source selector at the effector circuitry Effector circuity bypass control signal output "H": bypass Effector mode control signal 3 output Power supply (+3.3V) Effector mode control signal 2 output Ground Effector circuitry delay time selection bit 3 output Effector circuitry delay time selection bit 2 output Effector circuitry delay time selection bit 1 output Effector circuitry delay time selection bit 0 output Effector mode control signal 1 output Serial data output to REC/PB AMP, M61537FP Serial data transfer clock signal output to REC/PB AMP, M61537FP Relay drive signal output for the speakers "H": relay on DISPLAY key press detection Interrupt input POWER key press detection Interrupt input Channel 2 playback status signal from digital synthesizer ML2252 "H": Playback stop Serial data output signal to I/O expander Power on/off control signal to I/O expander Serial data clock signal to I/O expander Serial data latch signal to I/O expander 81

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81
HCD-ZUX9
39
TBL-SENSE
I
Disc tray position detection signal input from CDM
40
E-3
I
Disc tray status detection signal input from CDM
41
E-2
I
Disc tray status detection signal input from CDM
42
E-1
I
Disc tray status detection signal input from CDM
43
TMF
O
CDM turning motor control signal output
44
TMR
O
CDM turning motor control signal output
45
LMF
O
CDM loading motor control signal output
46
LMR
O
CDM loading motor control signal output
47
UNDER VOLTAGE
I
Under-voltage protection detection input
48
OVER VOLTAGE
I
Over-voltage protection detection input
49
SPEED FAN-HI
O
Fan speed control signal output
“L”: high speed
50
FR_RELAY
O
Relay drive signal output for the front speakers
“H”: relay on
51
STK-MUTE
O
Power amplifier on/off control signal output
“H”: amplifier on
52
H/P-MUTE
O
Headphone muting on/off control signal
“L”: muting on
53
PROTECTOR
I
Speaker protect detection signal input from speaker protect circuit
“L”: protector on
54
H/P_DETECT
I
Headphone connection detection signal input
“H”: headphone connected
55
LINE-MUTE
O
Line muting on/off control signal
“H”: muting on
56
M61530-DATA
O
Serial data output to electric volume, M61530FP
57
M61530-CLK
O
Serial data transfer clock signal output to electric volume, M61530FP
58
EFFECTOR_SOURCE
_SELECT2
O
Control signal 2 output to source selector at the effector circuitry
59
EFFECTOR_SOURCE
_SELECT1
O
Control signal 1 output to source selector at the effector circuitry
60
EFFECTOR_SELECT
O
Effector circuity bypass control signal output
“H”: bypass
61
EFFECTOR_CTRL3
O
Effector mode control signal 3 output
62
VCC
—
Power supply (+3.3V)
63
EFFECTOR_CTRL2
O
Effector mode control signal 2 output
64
VSS
—
Ground
65
EFFECTOR_S3
O
Effector circuitry delay time selection bit 3 output
66
EFFECTOR_S2
O
Effector circuitry delay time selection bit 2 output
67
EFFECTOR_S1
O
Effector circuitry delay time selection bit 1 output
68
EFFECTOR_S0
O
Effector circuitry delay time selection bit 0 output
69
EFFECTOR_CTRL1
O
Effector mode control signal 1 output
70
M61537-DATA
O
Serial data output to REC/PB AMP, M61537FP
71
M61537-CLK
O
Serial data transfer clock signal output to REC/PB AMP, M61537FP
72
[REC-MUTE]/
SURR_RELAY
O
Relay drive signal output for the speakers
“H”: relay on
73
DISPLAY-KEY
I
DISPLAY key press detection Interrupt input
74
POWER-KEY
I
POWER key press detection Interrupt input
75
[TC-MUTE]/
I
Channel 2 playback status signal from digital synthesizer ML2252
ML2252_BUSY2
“H”: Playback stop
76
[TC-RELAY]/
I/O_EXP_DATA-OUT
O
Serial data output signal to I/O expander
77
[REC-BIAS]
I/O_EXP_PWR-CTRL
O
Power on/off control signal to I/O expander
78
[B-TRIG]
I/O_EXP_LATCH
O
Serial data clock signal to I/O expander
79
[CAPM-CNT]/
I/O_EXP_CLK
O
Serial data latch signal to I/O expander
Pin No.
Pin Name
I/O
Pin Description