Kenwood RXD-655, RXD-755 Service manual

70%

MINI HiFi COMPONENT SYSTEM

RXD-655/655-GR/655-H/655E/655E-GR
RXD-655E-H/655L/655M/655M-H
RXD-755/755E/755L/755M

SERVICE MANUAL

(XD-655~855)**

Panel ass'y *
(A60-)

© 2001-6 PRINTED IN KOREA
B51-5737-00 (K/K) 2308

Panel(CD)
(A60-2090-08)

Front glass *
(B10-)

Knob(VOLUME)
(K27-2470-08)

Dress ring
(A21-3957-08)

**Refer to page 2 if you want to know system configuration.

In compliance with Federal Regulations, following are repro­duction of labels on, or inside the product relating to laser prod­uct safety.

* Refer to parts list on page 33.

KENWOOD-Crop. certifies this equipment conforms to DHHS
Regulations No.21 CFR 1040. 10, Chapter 1, subchapter J.

DANGER : Laser radiation when open and interlock defeated.
AVOID DIRECT EXPOSURE TO BEAM.

AM Loop Antenna(1)
(T90-0879-08)

“AA” size battery (UM/SUM-3,

R6, HP-7 or similar)(2)

Remote Control(1)
(A70-1531-08): MXM3M5
(A70-1537-08): ETE2

FM Antenna(1)
(T90-0883-08)

Use to adapt the plug on the
power cord to the shape of the
wall outlet.
(Accessory only for regions where
use is necessary.)

AC Plug Adaptor (1)

(E03-0115-05)

RXD-655/755

The marking this product has been
classified as Class 1. It means that there
is no danger of hazardous radiatio
outside the product.

CONTENTS / ACCESSORIES

Contents

CONTENTS / ACCESSORIES .................................. 2

EXTERNAL VIEW .......................................................3

DISASSEMBLY FOR REPAIR....................................4

BLOCK DIAGRAM ......................................................9

CIRCUIT DESCRIPTION ..........................................10

ADJUSTMENT ..........................................................15

Accessories

PC BOARD .............................................................. 16

SCHEMATIC DIAGRAM .......................................... 23

EXPLODED VIEW ....................................................31

PARTS LIST..............................................................33

SPECIFICATIONS ......................................Back cover

SYSTEM CONFIGURATION CAUTIONS

SYSTEM MAIN UNIT DESTINATION SPEAKER

XD-655 RXD-655 ET LS-N50S
XD-655E RXD-655E E2 LS-N50S
XD-655-GR RXD-655-GR ET LS-N50S-GR
XD-655E-GR RXD-655E-GR E2 LS-N50S-GR
XD-655-H RXD-655-H E LS-N50S-H
XD-655E-H RXD-655E-H E2 LS-N50S-H
XD-655-H RXD-655M-H M LS-N50S-H
XD-655 RXD-655M MX LS-N50S
XD-655(M3) RXD-655L(M3) M3 LS-N50S(M3)
XD-655(M5) RXD-655L(M5) M5 LS-N50S(M3)
XD-755 RXD-755 ET LS-N70S
XD-755E RXD-755E E2 LS-N70S
XD-755 RXD-755M MX LS-N70S
XD-755(M3) RXD-755L(M3) M3 LS-N70S(M3)
XD-755(M5) RXD-755L(M5) M5 LS-N70S(M3)
XD-855 RXD-755 ET LS-N90S
XD-855E RXD-755E E2 LS-N90S
XD-855 RXD-755M MX LS-N90S
XD-855(M3) RXD-755L(M3) M3 LS-N90S(M3)
XD-855(M5) RXD-755L(M5) M5 LS-N90S(M3)

2

CLASS 1

LASER PRODUCT

ANTENNA

AM LOOP

FM
75

VIDEO

/AUX

++

--

L

R

RL

SPEAKERS

Cabinet(TOP)
(A02-3014-08)

RXD-655/755

EXTERNAL VIEW

AC power cord *
(E30-)

AC power cord bushing
(J42-0338-08)

FM Antenna
(E70-0145-08)

Pin jack(AM)
(E40-8933-08)

Pin jack
(E63-1219-08)

Lock terminal board
(E70-0144-08)

* Refer to parts list on page 33 .

3

RXD-655/755

Caution on Disassembly

Follow the below-mentioned notes when disassembling
the unit and reassembling it, to keep it safe and ensure
excellent performance:

1. Take cassette tape and compact disc out of the unit.

2. Be sure to remove the power supply plug from the wall
outlet before starting to disassemble the unit.

3. Take off nylon bands or wire holders where they need be
removed when disassembling the unit. After servicing
the unit, be sure to rearrange the leads where they were
before disassembling.

4. Take suffcient care on static electricity of integrated
circuits and other circuits when servicing.

Figure 7-2

Figure 7-3

1 Top Cabinet 1. Screw ..................... (A1) x4 7-1

2 Side Panel 1. Screw ..................... (B1) x8 7-1

(Left/right)

3 CD Player Unit/ 1. Turn on the power supply, 7-2

CD Tray Cover open the disc tray, take out

the CD cover, and close.
(Note 1)

2. Screw ..................... (C1) x1

3. Hook ....................... (C2) x3

4. Hook ....................... (C3) x2

5. Socket .................... (C4) x2

4 Rear Panel 1. Screw ..................... (D1) x9 7-2

5 Main PWB 1. Screw ..................... (E1) x1 7-2

2. Socket .................... (E2) x3 8-2

3. Flat Cable .............. (E3) x1

4. Tip Wire .................. (E4) x1

6

Power Supply PWB

1. Screw ..................... (F1) x2 8-2

2. Socket .................... (F2) x1

3. Flat Wire................. (F3) x1 8-3

7 Front Panel 1. Screw ..................... (G1) x3 8-2

8 Display PWB 1. Screw .....................

(H1) x9

8-3

2. Socket .................... (H2) x1

9 Tape Mechanism 1. Open the cassette holder. 8-3

2. Screw...................... (J1) x5

10

Headphones PWB

1. Screw ..................... (K1) x1 8-3

11 Turntable 1. Hook ....................... (L1) x2 8-4

2. Cover ..................... (L2) x1

12 Disc Tray 1.

Turn fully the lock lever in the

7-3

arrow direction.

2.

While holding the lock lever,rotate

8-1
the cam gear until the cam gear
rib engages with the clamp lever.

3.

Push the slide holder backward to

8-5
engage the claw with the groove
and remove it in the direction

of the arrow. ..............

(M1) x6

13 CD Servo PWB 1. Screw ..................... (N1) x1 8-6

(Note 2) 2. Hook ....................... (N2) x2

3. Socket .................... (N3) x4

14 CD Mechanism 1. Hook ....................... (P1) x2 9-1

2. Hook ....................... (P2) x3

15

Loading Motor PWB

1. Hook ....................... (Q1) x5 9-1

STEP

REMOVAL PROCEDURE

FIGURE

Figure 7-1

Note 1:

How to open the changer manually. (Fig. 7-3)

1. In this state, turn fully the lock lever in the arrow direction
through the hole on the loading chassis bottom.

2.

While holding the lock lever, rotate the cam gear anticlockwise

until the cam gear rib engages with the clamp lever.

(Fig. 8-1)

3. After that, push forward the CD slide holder.

Note 2:

1. After removing the connector for the optical pickup from the
connector, wrap the conductive aluminium foil around the
front end of the connector so as to protect the optical pickup
from electrostatic damage.

Note 3:

1. Be careful not to break the claw of the CD mechanism.

2. When fining back the cam gear assembly, let it lock by front
movement.

DISASSEMBLY FOR REPAIR

4

Side Panel
(Right)

(B1)x2
ø3x10mm

(B1)x4
ø3x10mm

(C3) x1

Pull

Rear
Panel

(C1)x1
ø3x10mm

(D1)x7
ø3x10mm

(A1)x2
ø3x12mm

CD Servo
PWB

(C4)x2

Main PWB

Rear
Panel

1

(D1)x2
ø3x10mm

LOCK LEVER

Top Cabinet

DC Tray Cover

(E1)x1
ø3x10mm

(A1)x2
ø3x12mm

Side Panel
(Left)

(B1)x2
ø3x10mm

(C2) x3

1

2

CD Player
Unit

(C3)x1

RXD-655/755

Figure 8-1

Figure 8-2

Figure 8-3

Figure 8-4

Figure 8-5

Figure 8-6

CLAMP LEVER

CAM GEAR RIB

(F1)x1

ø3x6mm

(G1)x3
ø3x10mm

(F1)x1
ø3x10mm

(F2)x1

(E3)x1

(E4)x1

(E2)x2

Main PWB

(E2)x1

Power
Supply

PWB

Power
Supply

PWB

(H1)x9
ø3x10mm

(H2)x1

(J1)x5
ø3x10mm

(K1)x1
ø3x10mm

(F3)x1

Display PWB

Headphones

PWB

Open

Cassette
Holder

Tape
Mechanism

Turntable

Disc Tray

(L2) x1

CD Player Unit

(L1) x2

1

3

2

(M1) x3

(M1) x3

(N3) x2

(N2) x2

(N3) x2

CD Servo

PWB

CD Player

Base

(N1)x1
ø3x8mm

DISASSEMBLY FOR REPAIR

5

RXD-655/755

Figure 9-1

(P2) x3

(P1) x1

(Q1) x5

(P1) x1

Loading
Motor
PWB

CD
Mechanism

REMOVING AND REINSTALLING

THE MAIN PARTS

TAPE MECHANISM SECTION

Perform steps 1 to 7 and 9 of the disassembly method to
remove the tape mechanism.

How to remove the record/playback and erase
heads (TAPE 2) (See Fig. 10-1)

1. When you remove the screw (A1) x 2 pcs., the recording/
playback head and three-dimensional head of the erasing
head can be removesd.

How to remove the playback head (TAPE 1)
(See Fig. 10-2)

1. When you remove the screw (B1) x 2 pcs., the playback
head.

How to remove the pinch roller (TAPE 1/2)
(See Fig. 10-3)

1. Carefully push the inside claw to remove it. The pinch roller
pawl in the direction of the arrow <A>, and remove the pinch
roller (C1) upwards.

Note:

When installing the pinch roller, pay attention to the spring
mounting position.

How to remove the belt (TAPE 1) (See Fig. 10-4)

1. Remove the main belt (D1) x 1 pc., from the motor side.

2. Remove the FF/REW belt (D2) x 1 pc.

Figure 10-1

Figure 10-2

Figure 10-3

(A1)x2
Ø2x9mm

TAPE2

Record/Playback
Head

Erase Head

(B1)x2
Ø2x9mm

TAPE1

Playback
Head

Pinch Roller
(C1)x1

<A>

STEP1

STEP2

DISASSEMBLY FOR REPAIR

6

DISASSEMBLY FOR REPAIR

How to remove the pickup (See Fig. 11-2)

1. Remove the stop washer (B1) x 1 pc., to remove the gear
(B2).

2. Remove the screws (B3) x 2 pcs., to remove the shaft (B4).

3. Remove the pickup.

Figure 11-2

CD MECHANISM SECTION

Perform steps 1, 2, 3, 11 and 14 of the disassembly method
to remove the CD mechanism.

How to remove the loading motor
(See Fig. 11-1)

1. Bend the hooks (A1) x 5 pcs., to remove the loading motor.

Figure 11-1

Note

After removing the connector for the optical pickup from the
connector wrap the conductive aluminium foil around the front
end of connector so as to protect the optical pickup from
electrostatic damage.

How to remove the belt (TAPE 2) (See Fig. 10-4)

1. Remove the main belt (E1) x 1 pc., from the motor side.

2. Remove the FF/REW belt (E2) x 1 pc.

How to remove the motor (See Fig. 10-5)

1. Remove the screws (F1) x 2 pcs., to remove the motor.

Figure 10-4

Figure 10-5

TAPE2

TAPE1
Main Belt
(D1)x1

TAPE2
Main Belt
(E1)x1

TAPE1

Main Belt

FF/REW
Belt
(E2)x1

FF/REW
Belt
(D2)x1

Motor

Motor

(F1) x2

Ø2.6x5mm

Motor

RXD-655/755

Loading Moter

(A1)x1

(A1)x2

(A1)x2

(B3) x2
ø2.6 x6mm

Shaft
(B4) x1

CD Base

Stop Washer
(B1) x1

Pickup

CD Mechanism
Gear
(B2) x1

7

2

6

7

2

T.F

4

8

1

5

3

22

23

21

14

4

1

2

9

5

17

16

OUT

IN

GND

VCC

MPX IN

AM OSC IN

AM OSC OUT

AM RF IN

5

3

4

21

20

1

152216

6

OSC

1

3

2

9

10

7

16

15

13

12

14

11

R

L
R
L

R

L

R

L

17

3

+B4

FM

OSC

AM IN

FM IN

FM OSC

FM+B

214R

L

8

18

AUX

TAPE

CD

TUNER

L

R

23

+B4

R

L

24

2

3
4
6

9

16

T1/T2

REC

13

4

5

7

18

VCC

1

+B3

+B3

23

14

12

21

20

P.B

H/N

17

8

15

19

NOR/

HIGH

T1/T2

+B4
L
R

L
R

10

L NF
R NF
ALC

REF

R REC

R NF

L REC

POP REDUCE

R(T2)

L NF

R(T1)

L(T2)

L(T1)

+B4

+B4

REC

7

4

1

8

-B2

+B4

5

VH+

VH-

VL-

VL+

1418R

L

6

7

8,9

10,11

1

-B1

+B1

L-OUT

R-OUT

SP.DET.

12-14

25-36

15-24

4-11

1,2

38,39

10

6

7-9

1

2

21

56

58

59

575554

4950484746

43

42

67-78

79

80-89

90-92

93-100

52

53

51

45

44

41

40

38

39

36

37

25

33-31

34

35

11

16

13

12

17-20

+B7

+B7

+B7

+B7

+B7

VDD

VLOAD

RESET

VDO

22

23

24

CECLDO

DI

VDD

AVDD

+B6

BIAS

T1/T2

REC

1

2

3

+B7

+B3

+B6

-

-

+

+

R-CH

L-CH

+B2

-B2

+B3

M10V

+B4

A10V

VF2

+B4

63Hz

30

7

-B2

4

1

8

10Hz 1K

29

28

-VF

VF1

+B6

+5V

+B5

CD+B

C801

+B7

T1/T2

P.B

REC

P.B

4

5

VT

FM IF IN

REG

3

+B4

8

192018

FM/AM

OUT

15

L

R

12

11

10

12 IF IN

13

6

SD

10

13

FM MONO/ST

11

7

STEREO

MONO/ST

IF OUT

24

IN

OUT

AFC

AM RF IN

+B4

17FM

+B4

6

CE

DI

CL

DO

16

2

4

8

3

7

151413

11

10

9

63-66

MPX IN

VSSA

VDDA

MPX IN

RDS-ID

RDCL

RDDA

RST

XIN

VDDD

VSSD

XOUT

AM RF

P-IN

POWER AMP.

IC901

TERMINAL

AM LOOP ANT

FM FRONT END

FE301

CF301

FM IF

FM IF

COVERAGETRACKING

AM AM BAND

T303 T306

T351

IC303

FM/AM IF MPX.

LA1832S

X351
456kHz

PLL(TUNER)

LC72131

IC302

4.5MHz

X352

Q360

CNS11

from CD SECTION

CNP1

LC75341

IC601

AUDIO

JK601

VIDEO/

M

IC101

Q703

Q704
Q705

54PIN

IC700

IC700
56PIN

53PIN

IC700

55PIN

IC700

MOTOR
DRIVER

TAPE MECHANISM
ASSEMBLY

SOLM1,SOLM2

SOLENOID

MM1

MOTOR

TAPE

SWM2

T2 PLAY

R.PLAY

SWM4

SWM1

T1 PLAY

SWM3

F.PLAY

AN7345K

/PLAYBACK AMP.

PLAYBACK

Rch

Lch

Rch

Lch

TAPE 1

TAPE2

PB HEAD

REC/PB HEAD

SWITCHING

Q103-106

SWITCHING

108

AC BIAS

Q111

Q109

Q126

Q110

SWITCHING

Q121,122

MUTING

SWITCHING

ERASE

HEAD

Q128,L104

BIAS OSC

SWITCHING

Q124

BIAS

AM IF

863

IC860

KIA4558P
OPE AMP.

-20dB
ATT

SYSTEM
MUTE

604 606

Q864,865

Q901-

FL701

DISPLAY

IC700(1/2)

SYSTEM

UPD780206

708

Q706-

MICROCOMPUTER

Q700

RESET

XL701

4.1943MHz

VR701

JOG

RX701

SENSOR

REMOTE

KEY0-2

to CD
SECTION

JK670

HEADPHONES

M

M901

FAN MOTOR

Q907

DRIVER

Q905

RL901

SO901

TERMINAL

SPEAKER

D809

T801

TRANSFORMER

F804

T5AL 250V

F805

T5AL 250V

D810

D811-814

Q803

Q850

F806

CONSTANT
VOLTA GE

T2AL 250V

KIA7810AP

REGULATOR

VOLTA GE

Q851

VOLTAGE

CONSTANT

ZD851

T2AL 250V

F807

KIA4558

MICROCOMPUTER

IC700(2/2)

OPE
AMP.

562

SYSTEM

UPD780206

ZD801

REGULATOR

KIA7805P

VOLTAGE

Q852

Q802

Q801

D804

D803

T2.5AL250V

F801

D801

CONSTANT

REGULATOR

VOLTA GE

D802-805

T802

SUB POWER

TRANSFORMER

RL801

AC POWER

SUPPLY CORD

AC 230V 50Hz

UNSWITCH 5V

VOLTAGE

MAIN POWER

AUX IN

AND RECORD

Q107,

PROCESSOR

Q603,

Q862,

Q605,

IC561,

904

ANTENNA

SO301A

Q301

AMP

FM IF

CF303

FM IF

CF351

L.P.F

L351

QT21

AMP

L341

BALUN

REGULATOR

LC72723

ICT21

4.332MHz

XT21

RDS DECODER

RXD-755/655

8

RXD-655/755

BLOCK DIAGRAM

FOCUS COIL

TRACKING COIL

FD0

TD0

SLDO

SPDO

20

22

21

26

XOUT

WRQ

DO

RES

DI

CE

CONT5

193728

50

56

75

RFVDD

VVDD

VDD

ADAVDD

FIN1

RVDD

LVDD

XVDD

FIN2

LDS

LDD

TIN2

TIN1

CLK

XIN

23

40

51

55

57

69

49

48

666564

636162

5

7

28

18

7

46

41

47

80

10

79

9

8

42

43

45

44

25

70

71

LCHO

LVSS

RCHO

RVSS

CONT2

CONT3

CONT4

+3.3V

+3.3V

4

5

7

6

1823244082

VCC1

VCC2

VCC4

VCC3

1

2

25

17

39

38

42

41

8-14

22

29-35

15

16

27

26

21

+5V

1
2
3
4
5
6

AGND

R-CH

DGND

L-CH

+5V

+5V

DO

4

6

5

DI
CLK

3

2

1

CE

WRQ
DRF

8
9

7

OC. DISC NO

CLAMP SW

CD RES

4
5
6

1
2
3

1

6

2
3

4

5

1

4

6

5

3

2

+5V

PICK UP UNIT

IC1

LC78645E

CONTROL

SERVO/SIGNAL

XL1

33.8688MHz

Q2

CONSTANT

VOLTAGE

Q1

LASER
DRIVER

IC2

M63001FP

DRIVER

FOCUS/TRACKING/SPIN/SLED

M

M

M1

MOTOR

SPINDLE

MOTOR

SLED

M2

PICKUP IN

Q3

CNP7

to

SECTION

MAIN

SECTION

CNP8

DISPLAY

to

CNP4 CNS4

M

SW1

OPEN/CLOSE

SW2

CLAMP

DISC

SW3

NUMBER
LOADING

RXD-755/655

BLOCK DIAGRAM

RXD-655/755

9

RXD-655/755

CIRCUIT DESCRIPTION

1. Port Description of Microprocessor

Port No. Port Name I/O Function

1 VDD - POWER SUPPLY(+5V)
2 -20dB ATT O -20dB ATTENUATION
3 NO USE/DSA STB - GND
4 T BIAS O DECK BIAS CONTROL
5 T T1/T2 O DECK T1/T2 CHANGE OVER
6 REC/PLAY O DECK RECORDING/PLAYBACK CHANGE OVER
7 RES OUT O CD DSP REQUEST
8 DRF I CDRF LEVEL DETECTION

9 WRQ I CD DSP WRITE REQUEST
10 REQUEST I RESET SIGNAL INPUT
11 X2 O MAIN CLOCK OUTPUT
12 X1 I MAIN CLOCK INPUT
13 VPP/IC - GND
14 XT2 - OPEN
15 SPN - OPEN
16 VDD - POWER SUPPLY(+5V)
17 CD CLK O CD DSP CLOCK
18 CD DI O CD DSP COMMAND
19 CD DO I CD DSP CODE Q INPUT
20 CD CE O CD DSP CE OUTPUT
21 CE O CHIP ENABLE OUTPUT
22 CLK O CLOCK OUTPUT
23 DI O DATA OUTPUT
24 DO I DATA INPUT
25 AVSS - GND
26 O/C SW/DSA DATA I CD OPEN CLOSE SWITCH INPUT

27

28 SPEANA 2 I SPEANA DATA INPUT(16kHz)
29 SPEANA 1 I SPEANA DATA INPUT(1kHz)
30 SPEANA 0 I SPEANA DATA INPUT(63kHz)

31~33 KEY2~KEY0 I KEY INPUT

34 AVDD - ANALOG POWER SUPPLY
35 AVREF - ANALOG REFERENCE VOLTAGE
36 P IN I POWER FAILURE DETECTION

37,38 JOG1,0 I JOG VOLUME INPUT 1, 0

39 REMOCON I REMOTE CONTROL SIGNAL INPUT
40 VSS - GND
41 SMUTE O SYSTEM MUTE CONTROL
42 T SOL B O DECK2 SOLENOID CONTROL
43 T SOL A O DECK1 SOLENOID CONTROL
44 T MOTOR O DECK MOTOR CONTROL
45 TIMER LED O TIMER LED CONTROL
46 VDD - POWER SUPPLY(+5V)
47 AC RLY CONT. O AC RELAY CONTROL
48 SP RLY O SPEAKER OUTPUT RELAY CONTROL
49 SP DET I SPEAKER OUTPUT DETECTION
50 T1 RUN I DECK1 REEL SENSOR DETECTION PORT
51 T2 RUN I DECK2 REEL SENSOR DETECTION PORT
52 CD CLAMP SW I CD CHANGER CLAMP SWITCH INPUT
53 PLAY SW A I DECK PLAY SWITCH A INPUT
54 PLAY SW B I DECK PLAY SWITCH B INPUT
55 FPA I DECK FORWARD RECORDING SWITCH INPUT

NO USE/DSA ACK

/TUN SM

I TUNER SIGNAL METER INPUT

10

RXD-655/755

CIRCUIT DESCRIPTION

Port No. Port Name I/O Function

56 FPB I DECK REVERSE RECORDING SWITCH INPUT
57 MIC IN - OPEN
58 MP3 LED - OPEN
59 DESTOUT O DISCRIMINATION PORT FOR DESTINATION
60 STANDBY LED O STANDBY LED CONTROL
61 KARAOKE LATCH - OPEN
62 NO USE/MPEG POW - CONNECTED TO GROUND
63 RDS RST O RDS RAM RESET
64 RDS RDDA I RDS TRANSMIT DATA INPUT
65 RDS RDCL O RDS CLOCK
66 RDS READY I READY DATA INPUT

67~70

71~78 P18~P11 O FL DISPLAY CONTROL PORT

79 VLOAD - FL DRIVER POWER SUPPLY(-30V)

80~89 P10~P1 O FL DISPLAY SEGMENT CONTROL PORT

90~100 G11~G1 O FL DISPLAY GRID CONTROL PORT

2. Pin Description of IC

2-1 Focus/Tracking/Spin/Sled Driver : M63001FP (CD Section IC2)

Port No. Port Name I/O Function

1 TO I CH2 inverted input.
2 FD I CH1 inverted input.
3 NC O Unused.
4 FO+ O CH1inverted output.
5 FO- O CH1 non-inverted output.
6 TR+ O CH2 inverted output.
7 TR- O CH2 non-inverted output.

8~14 GND - GND

15 SL- O CH3 non-inverted output.
16 SL+ O CH3 inverted output.
17 SLDO I CH3 inverted input.
18 VCC - Power supply 1 (CH1, CH2, CH3).
19 STANDBY I STANDBY signal input.
20 VREF - CH1~CH4 reference voltage input.
21 MUTE I Mute signal input (CH6).
22 GND - GND
23 VCC - Connected to power supply.
24 VCC2 - Power supply 2 (CH4).
25 SPD I CH4 inverted input.
26 SP+ O CH4 inverted output.
27 SP- O CH4 non-inverted output.
28 VCC3 - Power supply 3 (CH5).

29~35 GND - GND

36,37 NC O Unused.

38 M- O CH6 non-inverted output.
39 M+ O CH6 inverted output.
40 VCC4 - Power supply 4 (CH6).
41 LDM- I CH6 inverted input.
42 LDM+ I CH6 non-inverted input.

P22~P19 O FL DISPLAY CONTROL PORT

DEST3~DEST0 I DESTINATION INPUT PORT

11