HBD-E385, HBD-E390, HBD-T39 - Sony Audio Service Manual (repair manual). Page 65

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HBD-E385/E390/T39
65
Pin No.
Pin Name
I/O
Description
J5
NO_USE
-
Not used
J6
AVDD33_3
-
3.3 V Power Pin
J7
NO_USE
-
Not used
J8
NO_USE
-
Not used
J9
DVCC33_IO
-
3.3 V digital IO power
J10
NO_USE
-
Not used
J11
DVCC33_IO
-
3.3 V digital IO power
J12
NO_USE
-
Not used
J13
NO_USE
-
Not used
J14
NO_USE
-
Not used
J15
NO_USE
-
Not used
J16
NO_USE
-
Not used
J17
NO_USE
-
Not used
J18
NO_USE
-
Not used
J19
NO_USE
-
Not used
J20
DDRVCCIO
-
1.5 V digital IO power
J21
NO_USE
-
Not used
J22
DGND12_K
-
Digital ground
J23
RDQ5
I/O
Memory data bit 5
J24
RDQ7
I/O
Memory data bit 7
J25
NO_USE
-
Not used
K1
NO_USE
-
Not used
K2
NO_USE
-
Not used
K3
FEOSCEN
I/O
High frequency modulation enable signal output, or LDD serial interface CLK or I2C SCL. 
The pin is spike-free at power-on stage.
K4
NO_USE
-
Not used
K5
AVDD12_1
-
1.2 V Power Pin
K6
NO_USE
-
Not used
K7
AGND33_2
-
Analog Ground
K8
DVCC33_IO
-
3.3 V digital IO power
K9
DVCC12_K
-
1.2V digital power
K10
NO_USE
-
Not used
K11
DVCC12_K
-
1.2V digital power
K12
DVCC12_K
-
1.2V digital power
K13
NO_USE
-
Not used
K14
NO_USE
-
Not used
K15
DVCC12_K
-
1.2V digital power
K16
NO_USE
-
Not used
K17
DVCC12_K
-
1.2V digital power
K18
DVCC12_K
-
1.2V digital power
K19
DDRVCCIO
-
1.5 V digital IO power
K20
NO_USE
-
Not used
K21
DGND12_K
-
Digital ground
K22
RDQ4
I/O
Memory data bit 4
K23
RDQ6
I/O
Memory data bit 6
K24
NO_USE
-
Not used
K25
NO_USE
-
Not used
L1
FEGAINSW3
O
Read gain switch 3.
L2
FEGAINSW1
O
Read gain switch 1.
L3
FECMOD
I/O
High frequency modulation mode selection signal output, or LDD serial interface command 
enable.
The pin is spike-free at power-on stage.
L4
FECFREQ
I/O
Frequency selection signal output, or LDD serial interface data or I2C SDA. 
The pin is spike-free at power-on stage.
L5
DGND12_K
-
Digital ground
L6
DGND12_K
-
Digital ground
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