JVC KD-S747 Service Manual page 41

Pin No. Symbol I/O
47 E2PROM-CLK O
48~50 no use O
51 no use O
53 SD/ST I
54 no use O
55 MONO O
56~60 no use O
61 DETACH I
62 no use O
63 SEEK/STOP O
64 IFC CONT O
65 FM/AM O
66 PLL-CE O
67 PLL-DO O
68 PLL-CLK O
69 PLL-DI I
70 TEL-MUTING I
71 no use O
72 VSS -
73 no use I
74 PS1 I
75 POWER O
76 CD-ON O
77 MUTING O
78~80 no use O
81 VDD -
82 no use O
83 VOL-DA O
84 VOL-CLK O
85~88 no use I
89~90 no use I
91 BUCK O
92 CCE O
93 RST O
94 TEST
95 BUS0 I/O data output and input 0 for CD LSI
96 BUS1 I/O data output and input 1 for CD LSI
97 BUS2 I/O data output and input 2 for CD LSI
98 BUS3 I/O data output and input 3 for CD LSI
99 no use O
100 CD-RW
I2C clock output
output L
output L
station detector or streo indicator input ; H means a station is there. L means the program is stereo.
output L
monoral selection output ; H means monoral
output L
detach detect input ; H means detaching
output L
auto seek and stop selecting output ; H means seeking, L means receiving.
IFC control output
FM, AM band selecting output ; H = FM CL= AM
CE output for PLL IC
data output for PLL IC
clock output for PLL IC
data input from PLL IC
telphone muting detection input ; Active level can be selected H or L in PSM
output L
GND
output L
POWER SAVE1 Çk= ACC off
POWER ON/OFF control output
CD power supply control output
muting output L=muting on
output L
maicon power supply
output L
data output for e-vol IC
clock output for e-vol IC
output L
output L
clock output for CD LSI
CE output for CD LSI
reset output for CD LSI
for rewriting flash memory
output L
RF gain control L=CD-RW, H=CD-DA
function
H=power on
H=CD power on
KD-S747
(No.49822)1-41