Sony HCD-GRX8 / HCD-R800 / HCD-RX88 / HCD-RX99 / MHC-GRX8 / MHC-R800 / MHC-RX88 Service Manual ▷ View online
– 94 –
Pin Name
I/O
Function
45
COM-CLK
O
Common serial clock output
46
CD-POWER
O
CD power on signal output
47
CD-DATA
O
CD data output
48
CD-CLK
O
CD clock output
49
PL-CLK
O
Clock signal output to pro-logic (Not used)
50
PL-DATA
I
Data signal output to pro-logic (Not used)
51
M62442-CLK
O
Clock signal output for IC111 (M62442FP)
52
M62442-DATA
O
Data signal output for IC111 (M62442FP)
53
LEVEL-CONT-A
O
Not used
54
LEVEL-CONT-B
O
Not used
55
IIC-DATA
O
Data output for IC601
56
IIC-CLK
O
Clock output for IC601
57
XRST
O
CD reset signal output
58
XLT
O
CD latch signal output
59
FCS-SW
O
Not used
60
TBL-L
O
Table motor control output
61
TBL-R
O
62
—
O
Not used
63
LOAD-OUT
O
Loading motor control signal output
64
LOAD-IN
O
65
ST-CLK
O
Tuner clock output
66
ST-DIN
I
Tuner data input
67
ST-DOUT
O
Tuner data output
68
ST-CE
O
Tuner chip enable output
69
TUNED
I
Tuned detection for tuner
70
STEREO
I
Stereo detection for tuner
71
VSS
–
Ground
72
ST-MUTE
O
Tuner mute signal output
73
SENS2
I
BD Condition signal input
74
SENS
I
75
DISC-SENS
I
Slit sensor of disc table input
76
T-SENS
I
CD table detection signal input
77
CAPM-CNT2P
O
Capstan motor control 2 (+) signal output
78
ENC 3
I
79
ENC 2
I
Disc tray adrress detect encoder input
80
ENC 1
I
81
OUT-OPEN
O
Loading out detection signal output
82
CAP-M-H/L
O
Capstan motor H/N speed select signal output
83
B-TRG
O
Trigger motor control output
84
A-TRG
O
Trigger motor control output
85
CAPM-CONT1M
O
Capstan motor control 1 (–) signal output
86
CAPM-CONT2M
O
Capstan motor control 2 (–) signal output
87
TC-MUTE
O
TC mute ON/OFF selection output
Pin No.
– 95 –
88
R/P-PASS
O
REC/PB/PASS selection output
89
NR-ON/OFF
O
NR ON/OFF signal output
90
REC-MUTE
O
REC mute ON/OFF selection output
91
CLK-OUT
O
Clock out signal check
92
BIAS
O
Bias ON/OFF signal output
93
EQ-H/N
O
Equalizer H/N select output
94
PB-A/B
O
PB Deck A/Deck B select output
95
A-PLAY-SW
I
Deck A play detect
96
B-PLAY-SW
I
Deck B play detect
97
TC-RELAY
O
REC/PB head selection output for IC602
98
A-HALF
I
Deck A cassette detect
99
ALC-ON/OFF
O
ALC ON/OFF output signal
100
STK-MUTE
O
Power amp ON/OFF signal output
Pin Name
Pin No.
I/O
Function
– 96 –
• IC601 DISPLAY CONTROL ( TMP87CM74AF)
Pin No.
Pin Name
I/O
Function
1 to 6
LED3 to LED8
O
LED driver output
7
VSS
–
Ground
8
X OUT
O
9
X IN
I
10
RESET
I
Reset signal input from main controller
11
LED9
O
12
LED10
O
13
TEST
I
Connected ground
14 to 18
LED11 to LED15
O
LED driver output
19
VOL A
I
20
VOL B
I
21
JOG A
I
22
JOG B
I
23
SCL
O
Serial clock input from master controller
24
SDA
O
Serial data input from master controller
25
L. SEL
O
LED select signal output
26 to 29
KEY 0 to KEY 3
I
Key input
30
MODEL
I
Version select signal input
31
(LED 16 OPEN)
–
LED driver output (Not used)
32
L + R
I
Spectrum analyzer (high frequency) input
33
SIRCS
I
Remote commander signal input
34 to 37
SPEANA 1 to SPEANA 4
I
Spectrum analyzer input
38
VASS
–
Ground
39
VAREF
I
Analog reference voltage input
40
VDD
–
Power supply (+5V)
41 to 53
GR 1 to GR13
O
FL gride signal output
54 to 77
SEG 1 to SEG 24
O
FL segment signal output
78
VKK
–
Power supply (–25V) for FL segment signal output
79
LED 1
O
80
LED 2
O
X’tall (8MHz)
• Abbreviation
FL : Fluorescent indicator tube
FL : Fluorescent indicator tube
LED driver output
Rotary encoder (S602) pulse input
Rotaly encoder (S601) pulse input
LED driver output
– 97 –
• IC801 PANEL CONTROL ( TMP87CH48DF)
Pin No.
Pin Name
I/O
Function
1
VSS
–
Ground
2
X OUT
O
3
X IN
I
4
RESET
I
Reset signal input
5
MUTE
I
Mute ON/OFF selection input
6
MODE_0
I
7
TEST
–
8
MODE_1
I
9
YB_CLK
O
10
NAR/YB_RDY
I
Connected to VDD
11
MSM6654/BSY
I
Busy signal input for IC851 (MSM6653A)
12
MSM6654/RST
O
Reset signal output for IC851 (MSM6653A)
13
MSM6654/CH
O
Channel signal output for IC851 (MSM6653A)
14
MSM6654/DATA
O
Data signal output for IC851 (MSM6653A)
15
MSM6654/CLK
O
Clock signal output for IC851 (MSM6653A)
16
MSM6654/LAT
O
Latch signal output for IC851 (MSM6653A)
17
YB_D0
I
Connected to ground
18
IC2 CLK
I
Serial clock input from master controller
19
IC2 DATA
I
Serial data input from master controller
20
YB_D3
I
21
UART RX
I
Connected to ground
22
UART TX
O
23 to 26
NC
O
Connected to ground
27
JOG_A
I
28
JOG_B
I
29
SIRCS
I
Remote commander signal input
30
VASS
–
Ground
31
VAREF
I
Analog reference voltage input
32
DVDD
–
Power supply (+5V)
33
BPF/LOW
I
Spectrum analyzer input
34
BPF/LOW-MID
I
Connected to ground
35
BPF/HIGH-MID
I
Connected to ground
36
BPF/HIGH
I
Spectrum analyzer input
37
L + R
I
Spectrum analyzer (high frequency) input
38
KEY/0
I
39
KEY/1
I
40
KEY/2
I
Connected to VDD
41 to 56
NC
O
Not used
57 to 60
GND
–
Ground
61
BPM_LED_B
O
62
BPM_LED_A
O
63
BOMBER_LED
O
64
ON/OFF_LED
O
X’tall (8MHz)
Connected to ground
Rotary encoder (S601) pulse input
LED Drive output
Key input
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