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CD-BA3100 (serv.man7). Split - Section 5 - Voltage, Notes on schematic diagrams, Types of transistor LED, Waveforms, Troubleshooting, Function table of IC, Wiring of primarily supply leads - 47-61 - Sharp Audio Service Manual (repair manual). Page 12

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CD-BA3100H
– 58 –
47
P43
RDS READY/ESS DO
Input
READY/ESS DATA INPUT.
48*
P42
DSA ACK
Output
DSA ACKNOWLEDGE.
49*
P41
DSA DATA
Input
DSA DATA INPUT.
50*
P40
DSA STB
Input/Output DSA STROBE.
51
P107
REC/PLAY
Output
TAPE REC/PLAY CHANGE.
52
P106
T T1/T2
Output
TAPE T1/T2 CHANGE.
53
P105
T BIAS
Output
TAPE RECORD BIAS.
54*
P104
CE 1
Output
CE OUTPUT AUDIO PRO 1.
55*
P103
CE 2
Output
CE OUTPUT AUDIO PRO 2.
56
P102
SPRLY
Output
SPEAKER RELAY.
57
P101
AC RLY
Output
AC RELAY CONTROL.
58
P100
LCK 0
Output
LED DRIVER CLOCK 0. (BU209)
59
P97
LCK 1
Output
LED DRIVER CLOCK 1. (BU209)
60
P96
-20dB ATT
Output
VOL -20dB ATTENUATOR.
61*
P95
SMUTE
Output
SYSTEM MUTE.
62
P94
DRF/DVD BUS 5
Input
CD DRF LEVEL DETECTION.
63
P93
JOG 0
Input
KEY JOG INPUT 0.
64
P92
JOG 1
Input
KEY JOG INPUT 1.
65*
P91
MIC SW
Input
MIC SWITCH.
66
P90
FL LATCH
Output
FL DRIVER CONTROL.
67*
P87
KARAOKE LATCH
Output
KARAOKE LATCH (WHEN NOT USED. CONNECT TO 0 V.)
68*
P86
MPEG_POW
Output
MPEG POW CONTROL.
69
P85
DIST IN
Input
DESTINATION INPUT.
70
FIP28
P1
Output
FL DISPLAY SEGMENT DRIVER.
DIST 9
Output
VCD LOGO
71
FIP27
P2
Output
FL DISPLAY SEGMENT DRIVER.
DIST 8
Output
VCD LOGO
72
FIP26
P3
Output
FL DISPLAY SEGMENT DRIVER.
DIST 7
Output
PAL/NTSC
73
FIP25
P4
Output
FL DISPLAY SEGMENT DRIVER.
DIST 6
Output
VIDEO 2 AND AC3 READY.
74
FIP24
P5
Output
FL DISPLAY SEGMENT DRIVER.
DIST 5
Output
KEY CONTROL MODE.
75
FIP23
P6
Output
FL DISPLAY SEGMENT DRIVER.
DIST 4
Output
KARAOKE MODE.
76
FIP22
P7
Output
FL DISPLAY SEGMENT DRIVER.
DIST 3
Output
TAPE REVERSE.
77
FIP21
P8
Output
FL DISPLAY SEGMENT DRIVER.
DIST 2
Output
ECO MODE.
78
FIP20
P9
Output
FL DISPLAY SEGMENT DRIVER.
DIST 1
Output
CLOCK DESTINATION.
79
VDD2
VDD2
Input
VDD
80
VLOAD
VLOAD
Input
FL DRIVER (–) POWER SUPPLY.
81
FIP19
P10
Output
FL DISPLAY SEGMENT DRIVER.
DIST 0
Output
TUNER DESTINATION.
82-84
FIP18-16
P11-P13
Output
FL DISPLAY SEGMENT DRIVER.
SPEANA SEL A-C
Output
SPEANA SELECT A-C.
85-92
FIP15-FIP8
P14-P21
Output
FL DISPLAY SEGMENT DRIVER.
93-100
FIP7-FIP0
G1-G8
Output
FL DISPLAY GRID.
IC701 RH-iX0402AWZZ: System Microcomputer (IX0402AW) (2/2)
Port Name
Terminal Name
Pin No.
Input/Output
Function
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
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