Sony MCE-F88K Service Manual page 39

Video cd player
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Pin No.
Pin Name
46
BUS XWRL
47
LO. BOOST
48
AUDIO MUTE
49
LOAD OUT
50
LOAD IN
51
INSW
52
OUTSW
53
MODEL 1
54
MODEL 2
55
TBLL
56
TBLR
57
ENC 1
58
ENC 2
59
ENC 3
60
61
62
VCC
63
64
VSS
65
A7
66 to 71
A6 to A1
72
U to I
73
TEST LED
74
TEST 1
75
TEST 2
76
TEST 3
77
DEVICE RESET
78
STANDBY
79
FL CS
80
MASD
81 to 88
D7 to D0
89
MIC CTRL
90
KEY 1
91
KEY 2
92
KEY 3
93
NY/PAL
94
MUSIC VOL
95
KEY 4
96
AVSS
97
MODE. SW
98
VREF
99
AVCC
100
AMP. ON
I/O
I
Not used
O
Bass boost (H : OFF, L : ON) output
O
Audio mute output "L" : mute
I
TLAY in input
I
TLAY out input
I
TLAY close sw input
I
TLAY open sw input
I
L : System input (Fixed at "L")
I
L : System input (Fixed at "L")
I
Not used
I
Not used
I
Not used
I
Not used
I
Not used
I
Not used
I
Not used
+5V power supply
I
Not used
Ground
O
Video mute output "L"
I
Not used
I
IIC convertion microcomputor transmittion input
O
TEST LED for MPEG decoder
I
Test mode for Video CD check
I
Test mode for servo check
I
Not used
O
Device system rest output "L" : reset
I
Standby LED input
O
FL segment driver CS output
O
FL segment driver out of switch output
I
Not used
I
Mic ctrl signal
I
Key input 1
I
Key input 2
I
Key input 3
I
NTSC/PAL select switch input
I
Music volume input
I
Key input 4
A/D converter ground
I
Not used
I
A/D converter reference voltage input (Connected to +5V)
A/D converter +5V power supply
I
Output gein select
Function
39

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