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113

• This schematic diagram may be modified at any time

• Important safety notice:

Components identified by 

 mark have special characteris-

tics important for safety.
Furthermore, special parts which have purposes of fire-retar-
dant (resistors), high quality sound (capacitors), low-noise
(resistors), etc are used.
When replacing any of components, be sure to use only
manufacturer’s specified parts shown in the parts list.
 

• In case of AC rated voltage Capacitors, the part no. and val-

ues will be indicated in the Schematic Diagram.
AC rated voltage capacitors:
C5700, C5701, C5702, C5704, C5705, C5706
 

• Resistor

Unit of resistance is OHM [

Ω

] (K=1,000, M=1,000,000).

 

• Capacitor

Unit of capacitance is 

µ

F, unless otherwise noted. F=Farads,

pF=pico-Farad.
 

• Coil

Unit of inductance is H, unless otherwise noted.
 

•

REF is for indication only.
 

• Voltage and signal line

Vol (-) switch.

Stop switch (

).

Vol (+) switch.

Power switch (

).

Open/Close switch (

).

Play switch (

).

: +B signal line

: -B signal line
: Audio output signal line

: Video output signal line
: CD/DVD Audio input signal line 
: CD/DVD Video input signal line
: HDMI/Optical/AUX/Tuner/TV/Mic
 Audio input signal line
: FM signal line
: USB signal line

114

115

A

1

2

3

4

5

6

7

8

9

10

11

12

13

14

C

D

B

E

G

H

F

A

 BACKEND CIRCUIT

SCHEMATIC DIAGRAM - 1

 SA-XH165EE/GS BACKEND

 CIRCUIT

2/6

3/6

5/6

1/6

4/6

6/6

TO BACKEND

CIRCUIT (2/6)

TO BACKEND
CIRCUIT (4/6)

P1

P1

B

TO
MAIN CIRCUIT
(CN2010*)
IN SCHEMATIC
DIAGRAM - 14

: USB SIGNAL LINE

: HDMI/OPTICAL/AUX/MIC/TUNER AUDIO INPUT SIGNAL LINE

: AUDIO OUTPUT SIGNAL LINE

: CD/DVD AUDIO INPUT SIGNAL LINE

: CD/DVD VIDEO INPUT SIGNAL LINE

: +B SIGNAL LINE

: VIDEO OUTPUT SIGNAL LINE

R9002

0

R9001

0

0

LB9002

2

3

1

5

4

FP9001

LB9003

0

C9006

0.1

USB_OC

VBUS_EN

USB_DN

PW_USB_5V

USB_DP

3

1

2

4

5

IC9006

C0DBZYY00311

HIGH SIDE SWITCH

/OC

EN

VOUT

VIN

GND

D+

DGND

DGND

D-

DGND

VBUS

R8322

75

K8003

0

K8008

0

LB8317

0

3

1

2

D8301

DA3X101F0L

CVBS_C

VGND

3

1

2

D8304

DA3X101F0L

Y_R_VOUT

(OPTICAL)

DIGITAL AUDIO IN

3

1

2

D8303

DA3X101F0L

C_B_VOUT

G_Y_VOUT

75

R8321

3

1

2

D8302

DA3X101F0L

L8001

G1C100M00049

2

3

1

JK8001

R8025

0

C8030

6.3V33

D+3R3V

OPT_IN

VCC

GND

OPT-IN

VDDDAC

75

R8323

75

R8324

LB8304

0

L2802

2

1

JK8301

VIDEO OUT

C2823

100P

J0JBC0000015

0

R8325

VIDEO (YEL)

VGND

R8326

0

116

15

16

17

18

19

20

21

22

23

24

25

26

27

28

A

 BACKEND CIRCUIT

SCHEMATIC DIAGRAM - 2

 SA-XH165EE/GS BACKEND

 CIRCUIT

2/6

3/6

5/6

1/6

4/6

6/6

TO BACKEND
CIRCUIT (1/6)

TO BACKEND

CIRCUIT (3/6)

TO BACKEND
CIRCUIT (5/6)

P1

P1

: USB SIGNAL LINE

: HDMI/OPTICAL/AUX/MIC/TUNER AUDIO INPUT SIGNAL LINE

: AUDIO OUTPUT SIGNAL LINE

: CD/DVD AUDIO INPUT SIGNAL LINE

: CD/DVD VIDEO INPUT SIGNAL LINE

: +B SIGNAL LINE

: VIDEO OUTPUT SIGNAL LINE

1

2

5

6

3

4

C0JBAB000986

INVERTER

IC3953

C3967

0.1

100K

R3900

27K

R3959

0.1

C3972

R3958

10K

LB3909

J0JHC0000045

C3971

0.1

100

R3956

0.1

C3958

R3908

10K

R3955

51

C3970

1

LB3907

J0JCC0000308

R8016

100

6

7

5

2

4

3

8

1

C0JBAR000433

MULTIPLEXER

IC3954

1

C3968

2K

R3905

4.7K

R3906

R3907

2K

4.7K

R3904

S

D

G

Q3902

B1CFHA000002

S

D

G

Q3903

B1CFHA000002

LEVEL SHIFTER

LEVEL SHIFTER

0.01

C3955

K3904

0

10K

R3947

3

1

2

4

5

IC3952

C0CBCDC00063

VOLTAGE REGULATOR

C3954

0.1

1

C3956

OPT_IN

B

/Y

1Y

A

/ST

VCC

GND

2Y

Y

SELECT

1A

2A

VCC

GND

IN

OUT

GND

VC

NOISE
BYPASS

GPIO34

SPDIF_SW

DDCDAT

DDCCLK

M+9V

0.01

C3945

LB3906

J0JCC0000042

0

K3903

0

K3901

0

K3902

LB3903

LB3904

LB3905

J0JCC0000042

J0JCC0000042

J0JCC0000042

G3

G4

G1

G2

5

3

4

7

9

8

6

1

2

10

13

15

17

19

18

16

14

11

12

P3901

HDMI AV OUT 

(ARC)

100K

R3950

CEC_IN_OUT

PW_VREF

R3903

10K

S

D

G

Q3904

B1CFHA000002

SWITCH

VDDP_HDMI

220

R3942

10K

R3949

C3944

0.1

Q3901

B1ABDF000026

SWITCH

10K

R3902

HOTPLUG

D2GND

FRAME

D1GND

CEC

CLK-

CLK-

D0GND

D1+

D1+

+5V

D0+

D0+

D0-

D0-

CLK+

CLK+

HOTPLG

CLKGND

CECGND

D2-

D2-

HDMISDA

HDMI_ARC

D2+

D2+

D1-

D1-

HDMISCL