PIONEER GEX-P6400TV, GEX-P6450 Service Manual

PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan

PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936

PIONEER CORPORATION 2002

ORDER NO.

CRT2856

GEX-P6400TV/UC

HIDE-A WA Y TV TUNER

GEX-P6400TV

HIDE-A WA Y TV TUNER

GEX-P6400TVP

HIDE-A WA Y TV TUNER

GEX-P6450TV

HIDE-A WA Y TV TUNER

ES

GEX-P6450TVP

For your inspection, the following extention cords are supplied. Use them if necessary.

Part to use Part No.

Signal Generator <-> GGP1031(CDE6830) GGP1032(CDE7037)
GGP1032(CDE7037) <-> AV-BUS IN Terminal GGP1031(CDE6830)

EW

ES

UC

For details, refer to "Important symbols for good services".

K-ZZA.APR.2002.printed in Japan

1234

SAFETY INFORMATION

UC

A

CAUTION

This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer.
Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair
complex products such as those covered by this manual.
Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty.
If you are not qualified to perform the repair of this product properly and safely, you should not risk trying to do so
and refer the repair to a qualified service technician.

WARNING

This product contains lead in solder and certain electrical parts contain chemicals which ar
California to cause cancer, birth defects or other reproductive harm.
Health & Safety Code Section 25249.6 - Proposition 65

B

EW

CAUTION

Danger of explosion if battery is incorrectly replaced.
Replaced only with the same or equivalent type recommended by the manufacture.
Discord used batteries according to the manufacture's instructions.

ES

ES

Battery

C

Slide the tray out on the back of the
remote controller and insert the battery
with the (+) and (–) poles pointing in
the proper direction.

Note :

• Use a CR2025 (3V) lithium battery
only. Never use other types of battery
with this unit.

e known to the state of

CAUTION

Danger of explosion if battery is incorrectly replaced.
Replaced only with the same or equivalent type.

D

2

1234

GEX-P6400TV/UC

A

B

5678

[ Important symbols for good services ]

In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely.
When you find the procedures bearing any of the symbols, be sure to fulfill them:

1. Product safety

You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and
should keep the safety during servicing by following the safety instructions described in this manual.

2. Adjustments

To keep the original performances of the product, optimum adjustments or specification confirmation is indispensable.
In accordance with the procedures or instructions described in this manual, adjustments should be performed.

3. Cleaning

For optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other parts requiring cleaning,
proper cleaning should be performed to restore their performances.

4. Shipping mode and shipping screws

To protect the product from damages or failures that may be caused during transit, the shipping mode should be set or
the shipping screws should be installed before shipping out in accordance with this manual, if necessary.

5. Lubricants, glues, and replacement parts

Appropriately applying grease or glue can maintain the product performances. But improper lubrication or applying
glue may lead to failures or troubles in the product. By following the instructions in this manual, be sure to apply the
prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed
ones should be used.

C

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56

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CONTENTS

SAFETY INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

1. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2. EXPLODED VIEWS AND PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.1 PACKING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

A

B

2.2 EXTERIOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

3.1 BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)(GEX-P6400TV/UC,GEX-P6450TV/ES) . . . . . . . 16

3.3 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)(GEX-P6400TVP/EW,GEX-P6450TVP/ES) . . . . 24

3.4 TV TUNER UNIT(GUIDE PAGE)(GEX-P6400TV/UC, GEX-P6450TV/ES). . . . . . . . . . . . . . . . . . . . . . . 32

3.5 TV TUNER UNIT(GUIDE PAGE)(GEX-P6400TVP/EW, GEX-P6450TVP/ES) . . . . . . . . . . . . . . . . . . . . 38

4. PCB CONNECTION DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

4.1 MOTHER UNIT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

4.2 TV TUNER UNIT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

5. ELECTRICAL PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

6. ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

6.1 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

6.2 TEST MODE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

7. GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

7.1 DIAGNOSIS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

7.1.1 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

7.1.2 CONNECTOR FUNCTION DESCRIPTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

7.2 IC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

7.3 OPERATIONAL FLOW CHART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

8. OPERATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

C

D

4

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GEX-P6400TV/UC

A

B

5

5678

C

GEX-P6400TV/UC

56

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1. SPECIFICATIONS

- GEX-P6400TV/UC

A

General

Power source .............................................................................................. 14.4 V DC (10.8 — 15.1 V allowable)

Grounding system .............................................................................................................................. Negative type

Max. current consumption .............................................................................................................................. 0.5 A

Dimensions .......................................................................................................... 172 (W) × 30 (H) × 148 (D) mm

[6-3/4 (W) × 1-1/8(H) × 5-7/8 (D) in.]

Weight .............................................................................................................................................. 0.7 kg (1.5 lbs)

Backup current ............................................................................................................................................0.54 mA

TV tuner

Reception channel/TV system ............................................................ US/M : VHF 2 — 13 ch, UHF 14 — 69 ch

Color system .................................................................................................................................. NTSC compatible

Usable sensitivity ............................................................................................................................................ 12 dBµ

Video S/N ................................................................................ Over 37 dB (59 dBµ RF input, White Peak 100%)

Video S/N 30 dB usable sensitivity ............................................................................................................ 44 dBµ

Antenna input ........................................................................................ 4 ch Diversity (φ 3.5 mm Mini plug type)

Antenna cable .................................................................................................................................. 6 m (19 ft 8 in)

Rear display output

B

Video .................................................................................................... 1 Vp-p/75 Ω (TV: White 100% Modulated)

Sound ...................................................................................... 500 mVrms/Less than 1 kΩ (TV: 100% Modulated)

- GEX-P6400TVP/EW

General

Power source .............................................................................................. 14.4 V DC (10.8 — 15.1 V allowable)

Grounding system .............................................................................................................................. Negative type

Max. current consumption .............................................................................................................................. 0.5 A

Dimensions .......................................................................................................... 172 (W) × 30 (H) × 148 (D) mm

Weight ............................................................................................................................................................ 0.7 kg

Backup current ............................................................................................................................................0.54 mA

TV tuner

Reception channel/TV system .................... COUNTRY 1: (CCIR/B, G, H) : VHF 2 — 12 ch, UHF 21 — 69 ch

(For each Country Group)

C

Color system .................................................................................................................................... PAL compatible

Usable sensitivity ............................................................................................................................................ 18 dBµ

Video S/N ................................................................................ Over 37 dB (59 dBµ RF input, White Peak 100%)

Video S/N 30 dB usable sensitivity ............................................................................................................ 45 dBµ

Antenna input ........................................................................................ 4 ch Diversity (φ 3.5 mm Mini plug type)

COUNTRY 2: (ITALY/B, G, H ) : VHF A — H2 ch, UHF 21 — 69 ch

COUNTRY 3: (UK, IRELAND/I) : VHF A — Kch, UHF 21 — 69 ch

COUNTRY 4: (OIRT/D, K) : VHF R1 — R12 ch, UHF 21 — 69 ch

Rear display output

Video .................................................................................................... 1 Vp-p/75 Ω (TV: White 100% Modulated)

Sound ...................................................................................... 500 mVrms/Less than 1 kΩ (TV: 100% Modulated)

D

6

1234

GEX-P6400TV/UC

A

B

5678

- GEX-P6450TV/ES

General

Power source .............................................................................................. 14.4 V DC (10.8 — 15.1 V allowable)

Grounding system .............................................................................................................................. Negative type

Max. current consumption .............................................................................................................................. 0.5 A

Dimensions .......................................................................................................... 172 (W) × 30 (H) × 148 (D) mm

Weight ............................................................................................................................................................ 0.7 kg

Backup current ............................................................................................................................................0.54 mA

TV tuner

Reception channel/TV system .............................................................. US/M: VHF 2 — 13 ch, UHF 14 — 69 ch

Color system .................................................................................................................................. NTSC compatible

Usable sensitivity ............................................................................................................................................ 12 dBµ

Video S/N .............................................................................. Over 37 dB (59 dBµ RF input, White Peak 100 %)

Video S/N 30 dB usable sensitivity ............................................................................................................ 44 dBµ

Antenna input ........................................................................................ 4 ch Diversity (φ 3.5 mm Mini plug type)

Antenna cable .................................................................................................................................................... 6 m

Rear display output

Video .................................................................................................. 1 Vp-p/75 Ω (TV: White 100 % Modulated)

Sound .................................................................................... 500 mVrms/Less than 1 kΩ (TV: 100 % Modulated)

- GEX-P6450TVP/ES

General

Power source .............................................................................................. 14.4 V DC (10.8 — 15.1 V allowable)

Grounding system .............................................................................................................................. Negative type

Max. current consumption .............................................................................................................................. 0.5 A

Dimensions .......................................................................................................... 172 (W) × 30 (H) × 148 (D) mm

Weight ............................................................................................................................................................ 0.7 kg

Backup current ............................................................................................................................................0.54 mA

TV tuner

Reception channel/TV system .................... COUNTRY 1: (CCIR/B, G, H) : VHF 2 — 12 ch, UHF 21 — 69 ch

(For each Country Group)

Color system .................................................................................................................................... PAL compatible

Usable sensitivity ............................................................................................................................................ 18 dBµ

Video S/N ................................................................................ Over 37 dB (59 dBµ RF input, White Peak 100%)

Video S/N 30 dB usable sensitivity ............................................................................................................ 45 dBµ

Antenna input ........................................................................................ 4 ch Diversity (φ 3.5 mm Mini plug type)

Antenna cable .................................................................................................................................................... 6 m

COUNTRY 2: (INDONESIA/B, G, H) : VHF 1A — 11 ch, UHF 21 — 69 ch

COUNTRY 3: (CHINA/D, K) : VHF 1 — 12 ch, UHF 13 — 57 ch

COUNTRY 4: (UK, IRELAND/I) : VHF A — K ch, UHF 21 — 69 ch

COUNTRY 5: (OIRT/D, K) : VHF R1 — R12 ch, UHF 21 — 69 ch

COUNTRY 6: (AUSTRALIA/B, G, H) : VHF 0 — 11 ch, UHF 28 — 69 ch

Rear display output

Video .................................................................................................... 1 Vp-p/75 Ω (TV: White 100% Modulated)

Sound ...................................................................................... 500 mVrms/Less than 1 kΩ (TV: 100% Modulated)

Infrared Remote Control

Wavelength .......................................................................................................................................................... 940 nm ±50nm

Output ........................................................................................................................................ typ; 12 mw/sr per Infrared LED

C

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56

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2. EXPLODED VIEWS AND PARTS LIST

NOTES : • Parts marked by " * " are generally unavailable because they are not in our Master Spare Parts List.

• Screw adjacent to mark on the product are used for disassembly.

• For the applying amount of lobricants or glue, follow the instructions in this manual.

A

(In the case of no amount instructions,apply as you think it appropriate.)

"

2.1 PACKING

B

C

D

8

1234

GEX-P6400TV/UC

A

B

5678

PACKING SECTION PARTS LIST

Mark NO

1 Cord Assy CDE5880 CDE5880 CDE5880 CDE5880

2 Cord Assy CDE6830 CDE6830 CDE6830 CDE6830
3 Cord Assy CDE6844 CDE6844 CDE6844 CDE6844
4 Cord Assy CDE7018 CDE7018 CDE7018 CDE7018
5 Cover CEG1098 CEG1098 CEG1098 CEG1098

6 Accessory Assy Not used CEA3296 CEA3296 CEA3296
* 7 Polyethylene Bag Not used CEG1101 CEG1101 CEG1101
* 8 Battery Not used CEX1065 CEX1065 CEX1065
9 Fastener (Rough) Not used CNM3728 CNM3728 CNM3728
10 Fastener (Soft) Not used CNM3729 CNM3729 CNM3729

11 Carton CHG4708 CHG4709 CHG4710 CHG4711
12 Sub Carton CHG4712 CHG4712 CHG4712 CHG4712
13 Contain Box CHL4708 CHL4709 CHL4710 CHL4711
14 Protector CHP2554 CHP2554 CHP2554 CHP2554
15-1 Owner’s Manual CRD3615 CRD3612 CRD3620 CRD3617

* 15-2 Card ARY1048 Not used Not used Not used
15-3 Installation Manual CRD3616 CRD3614 CRD3619 CRD3619
* 15-4 Warranty Card Not used CRY1157 Not used Not used
15-5 Polyethylene Bag CEG1116 CEG1116 CEG1116 CEG1116
15-6 Fastener (Rough) CNM3728 Not used Not used

Symbol and

Description

GEX-P6400TV/UC

GEX-P6400TVP/

EW

GEX-P6450TV/ES

GEX-P6450TVP/

ES

Not used

15-7
* 15-8 Caution Card Not used CRP1280 Not used Not used

* 15-9 Caution Card CRP1282 Not used Not used Not used
16 Remote Control Assy Not used CXB8951 CXB8951 CXB8951
17 DC TV Antenna Assy CXB9183 Not used CXB9183 CXB9183

18 Antenna Unit CZX5019 Not used CZX5019 CZX5019
* 19 Caution Card CZR3093 Not used CZR3093 CZR3093

Fastener (Soft)

CNM3729 Not used Not used Not used

Owner’s Manual,Installation Manual

Part No. Language

CRD3615 English, French
CRD3616 English, French
CRD3612 English, Spanish, German, French, Italian, Dutch
CRD3614 English, Spanish, German, French, Italian, Dutch
CRD3620 English, Spanish, Casual Chinese, Korean
CRD3619 English, Spanish, Portuguese(B), Casual Chinese, Arabic, Korean
CRD3617 English, Spanish, Portuguese(B), Casual Chinese, Arabic

C

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GEX-P6400TV/UC

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2.2 EXTERIOR

A

B

C

D

10

1234

GEX-P6400TV/UC

A

B

5678

(1) EXTERIOR SECTION PARTS LIST

Mark

No. Description Part No.

1 Screw BSZ30P060FZK
2 Cord Assy CDE6843
3 Cord Assy CDE6844
4 Fuse(4A) CEK1001
5 Chassis CNA2492

6 Case See Contrast table(2)
7 Insulator CNM7681
8 Mother Unit See Contrast table(2)
9 Screw BMZ30P050FMC
10 Terminal(CN1368) CKF1064

11 Plug(CN1366) CKM1131
12 Pin Jack(CN1365) CKS2918
13 Connector(CN1361) CKS3407
14 Connector(CN1360) CKS3408
15 Connector(CN1363) CKS4362

16 Connector(CN1367) CKS4587
17 Connector(CN1362) CKS4590
18 Holder CNC9887
19 Holder CNC9888
20 Holder CNC9889

Mark No. Description Part No.

21 TV Tuner Unit See Contrast table(2)
22 Terminal(CN2201) CKF1064
23 Terminal(CN2601) CKF1064
24 Jack(CN2150) CKN1032
25 Jack(CN2151) CKN1032

26 Jack(CN2152) CKN1032
27 Jack(CN2153) CKN1032
28 Connector(CN2701) CKS4587
29 Holder CNC9253
30 Shield CNC9885

31 Shield CNC9886
32 Insulator CNM7680
33 •••••
34 Remote Control Assy See Contrast table(2)
35 Cover See Contrast table(2)

36 Screw ISS26P055FUC
37 Front End(FE2201) See Contrast table(2)
38 Transistor(Q1857) 2SD2375

(2) CONTRAST TABLE

GEX-P6400TV/UC, GEX-P6400TVP/EW, GEX-P6450TV/ES and GEX-P6450TVP/ES are constructed the same
except for the following:

k NO Symbol and Description GEX-P6400TV/UC GEX-P6400TVP/EW GEX-P6450TV/ES GEX-P6450TVP/ES

Mar

6 Case CNB2798 CNB2797 CNB2796 CNB2799
8 Mother Unit CWM8240 CWM8242 CWM8298 CWM8299
21 TV Tuner Unit CWM8241 CWM8243 CWM8241 CWM8243
34 Remote Control Assy Not used CXB8951 CXB8951 CXB8951
35 Cover Not used CNS7068 CNS7068 CNS7068

37 Front End CWB1093 CWB1094 CWB1093 CWB1094

C

GEX-P6400TV/UC

56

D

11

7

8

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3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

- GEX-P6400TV/UC, GEX-P6450TV/ES

MOTHER UNIT

A

IP-BUS IN

IP-BUS OUT

B

POWER

A

GND

1

BUP

2

NC

3

NC

4

CN1360

1 BUS+
5
7
9BUSRI

8

ASENB

CN1361

1 BUS+
5
7
9BUSRO

8 ASENB

OSD OFF

OSD ON

CN1366

BUS–
BUSLI

BUS–
BUSLO

S1360

BUP

BUP

S1361

RESET SW

IP AUDIO

INPUT ISOLATION

13
12

INTERFACE

657
5

CA0008AM

Q1810

Q1811

13

IN2

3

RSTIN

IC 1340

TA2050F

MUTE

Q1102

IP-BUS

IC 1350

8

SENS AND

RESET

IC 1810

PAJ001A

1
8

IP AUDIO

OUTPUT BUFFER

Q1100

Q1101

Q1600

2
1

6

OUT3

5

OUT2

7

RSTOUT

9

11

39

41

56

55
52

63

62

60

LV2
RV2

LOUT1

ROUT1

RX(IP-BUS)
TX(IP-BUS)

IPPW
OSDARI

ASENS

BSENS

RESET

AV SELECTOR

IC 1200

CXA2089Q

SCL

26

15

58

SCL

MUTEIP

MICROCOMPUTER

IC 1600

PE5300A

46

LTV

48

RTV

40

VOUT1

47

TV

8

V2

30

LOUT2

33

VOUT2

32

59

MUTERE

ROUT2

TVPW

SYSPW

RVMUTE

FVSEL

FVMUTE

79
80

CS/CK/DT/AC

34
32
35

SDA

27

14

SDA

TV AUDIO

7
1

NJM4558E

TVPW
SYSPW

AMP

IC 1140

5
3

69

X1

X1600

70

X1

Q1305

Q1304

Q1303

Q1306

VDD

C

VSY5

CN1362

AVONOUT

12

Comp.V(IN)

2

IP-SEL1

4

LED-V

6

BEEPMUTE

8

AV-BUS IN

D

AV-BUS OUT

BEEP–

9

REMOUT

10

BEEP+

13

VIDEO_GND

1

CN1363

VIDEO_GND

1

Comp.V(OUT)

2

REMPW

3

IP-SEL1

4

IP-SEL2

5

LED-V

6

BEEPMUTE

8

BEEP–

9

REMIN

10

AVONOUT

12

BEEP+

13

FU1360

REMPW

FU1361

61

REMIN

TV9V

11

SDTSDA

12

SCKSCL

76

28

TVSEL

RC SENSE UNIT

POWER SW

REMPW

Q1320

Q1321

TVSL

TVSDT

VSY5

SYSPW

2

12

GEX-P6400TV/UC

1234

A

B

5678

REAR AUDIO

OUTPUT BUFFER

Q1120

Q1121

Q1601

Q1250

B

TV9V

MUTE

Q1122

SYNC.

SEPARATION

Q1251

2

IC 1250

NJW1303V

X1250

TV TUNER UNIT

FU1850

4
5

10, 119

Q1857

TEMPORARY SYNC.

ADDITION

Q1290

IC 1251

TC7SH08FU

1

4

2

HD AND VD

WAVEFORM SHAPING

9

IC 1270

1

TC74VHC123AFT

Q1280

TV9V AUDIO9V, SYSTEM9V, SYSTEM5V

Q1855

Q1856

CS/CK/DT/AC

BUP

TVPW

VIDEO LEVEL
ATT E NUATOR

Q1222

VSY5

Q1295

OSD SUPER INPOSER

12

19

VERT

18

4

HOR

IC 1280

M35014-001SP

10

CVIN

OSCIN

X1280

14.3182MHz

Q1221VR1221

Q1220VR1220

CVIDEO

OSCOUT

VAU9

VSY9

VSY5

8

1617

Q1854

Q1852

Q1853

VIDEO SELECTOR

AND MUTE

1

IC 1231

NJM2235V

4

RVMUTE

1

IC 1230

3

NJM2235V

2

4
FVSEL
FVMUTE

Q1850

Q1851

REAR 75Ω

VIDEO DRIVER

IC 1241

477

TK15405MI

FRONT 75Ω

VIDEO DRIVER

IC 1240

47

TK15405MI

2

2

BUP

SYSPW

CN1365

AL OUT
AR OUT

CN1365

V OUT

FU1363

TV9V

CN1367

TV9V
TV9V

TVAL

TVAR

SDA

TVSL
TVSD

DIVER

4

TV30V REG.

IC 2651

24

TK11819M

TV5V REG.

Q2601

TV9V

CN2701

TV9V

1

1

TV9V

3

3

TVV

TVV

5

5

TVAR

8

9

TVAL

9

8

SDA

18

18

SCL

SCL

20

20

TVSL

17

17

TVSD

19

19

TV9V

Q2501

VIDEO AMP

Q2454

IC 2501

LA2120M

Q2451

TV5V

L2402

VR2401

AUDIO BUFFER

VR2303

118

17

SHETA

19

SD

TV30VTV9V

L2451CF2451

PNS AND

Q2301

AFOUT

SIF(2ND)DET

LA1145M

Q2455

VIF DET

14 9

VOUT

15

VOUTN

1

DET1

16

DET2

10

AGCDL

8

IC 2401

TA1290FN

2
TFIN

L2353CF2351

11 10

DETIN

PIF2
PIF1

AGCOU

L2301

IFOUT

IC 2301

SDSENMULEV

187

Q2363

CM0018AM

24

VIN

5

8

3

11

IC 2101

SAWFIL
CF2201

ANT1

ANT2

ANT3

ANT4

EN1
EN2
EN3
EN4

IFAMP

14

2ND LOCMIX

Q2353
Q2354

X2351

30.55MHz

13

14

15

16

12
11
10
9

Q2201

10

Q2155

Q2154

8

2

9

AGC

SDA
SCL

RF SW

FE2201

Q2150

Q2151

Q2152

Q2153

ANT inIF out

TV5V

CN2150

EN1

CN2151

EN2

CN2152

EN3

CN2153

EN4

ANT1

ANT2

ANT3

ANT4

C

1

D

VR2302VR2301

GEX-P6400TV/UC

56

7

8

13

1234

- GEX-P6400TVP/EW, GEX-P6450TVP/ES

MOTHER UNIT

A

7
1

TVPW
SYSPW

CS/CK/DT/AC

TV AUDIO

AMP

IC 1140

NJM4558E

5
3

A

46

LTV

48

59

MUTERE

VOUT1

LOUT2
VOUT2
ROUT2

TVPW

SYSPW

RVMUTE

FVSEL

FVMUTE

RTV

40
47

TV

8

V2

30
33
32

79
80

34
32
35

CN1360

1 BUS+

BUS–

1
2
3
4

5
7
9BUSRI

8 ASENB

CN1361

1 BUS+
5
7 BUSLO
9BUSRO

8 ASENB

OSD OFF

OSD ON

CN1366

GND
BUP
NC
NC

BUSLI

BUS–

S1360

BUP

BUP

Q1810

Q1811

S1361

RESET SW

IP-BUS IN

IP-BUS OUT

B

POWER

IP AUDIO

INPUT ISOLATION

13
12

TA2050F

INTERFACE

657
5

CA0008AM

13

IN2

3

RSTIN

IC 1340

MUTE

Q1102

IP-BUS

IC 1315

8

SENS AND

RESET

IC 1810

PAJ001A

1
8

IP AUDIO

OUTPUT BUFFER

Q1100

Q1101

Q1600

2
1

6

OUT3

5

OUT2

7

RSTOUT

9

11

39

41

56

55
52

63

62

60

LV2
RV2

LOUT1

ROUT1

RX(IP-BUS)
TX(IP-BUS)

IPPW
OSDARI

ASENS

BSENS

RESET

AV SELECTOR

IC 1200

CXA2089Q

SCL

26

58

15

MUTEIP

SCL

MICROCOMPUTER

IC 1600

PE5300A

SDA

27

14

SDA

69

X1

X1600

70

X1

Q1305

Q1304

Q1303

Q1306

VDD

VSY5

C

CN1362

AVONOUT

12

Comp.V(IN)

2

IP-SEL1

4

LED-V

6

BEEPMUTE

8

AV-BUS IN

D

AV-BUS OUT

BEEP–

9

REMOUT

10

BEEP+

13

VIDEO_GND

1

CN1363

VIDEO_GND

1

Comp.V(OUT)

2

REMPW

3

IP-SEL1

4

IP-SEL2

5

LED-V

6

BEEPMUTE

8

BEEP–

9

REMIN

10

AVONOUT

12

BEEP+

13

FU1360

REMPW

FU1361

61

REMIN

TV9V

11

SDTSDA

12

SCKSCL

21

BRSBGI

22

BRSDK

76

Q1320

Q1321

TVSL

TVSDT

VSY5

SYSPW

2

28

TVSEL

RC SENSE UNIT

POWER SW

REMPW

14

GEX-P6400TV/UC

1234

A

B

5678

REAR AUDIO

OUTPUT BUFFER

Q1120

Q1121

Q1601

Q1250

B

TV9V

MUTE

Q1122

SYNC.

SEPARATION

Q1251

2

IC 1250

NJW1303V

X1250

TV TUNER UNIT

FU1850

4
5

10, 119

Q1857

TEMPORARY SYNC.

ADDITION

Q1290

IC 1251

TC7SH08FU

1

4

2

HD AND VD

WAVEFORM SHAPING

9

IC 1270

1

TC74VHC123AFT

Q1280

TV9V AUDIO9V, SYSTEM9V, SYSTEM5V

Q1855

Q1856

CS/CK/DT/AC

BUP

TVPW

VIDEO LEVEL
ATTE NUATOR

Q1222

VSY5

Q1295

OSD SUPER INPOSER

12

19

VERT

18

4

HOR

IC 1280

M35014-001SP

10

CVIN

OSCIN OSCOUT

X1280

17.7345MHz

Q1221VR1221

Q1220VR1220

CVIDEO

VAU9

VSY9

VSY5

8

1617

Q1854

Q1852

Q1853

VIDEO SELECTOR

AND MUTE

1

IC 1231

NJM2235V

4

RVMUTE

1

IC 1230

3

NJM2235V

2

4
FVSEL
FVMUTE

Q1850

Q1851

REAR 75Ω

VIDEO DRIVER

IC 1241

477

TK15405MI

FRONT 75Ω

VIDEO DRIVER

IC 1240

47

TK15405MI

2

2

BUP

SYSPW

CN1365

AL OUT
AR OUT

CN1365

V OUT

FU1363

TV9V

CN1367

TV9V
TV9V

TVAL

TVAR

BRSBGI

BRSDK

TVSL
TVSD

TVV

SDA
SCL

DIVER

4

TV30V REG.

IC 2651

24

TK11819M

TV5V REG.

Q2601

TV9V

CN2701

TV9V

1

1

TV9V

3

3

TVV

5

5

TVAR

8

9

TVAL

9

8

SDA

18

18

SCL

20

20

BRSBGI

12

12

BRSDK

14

14

TVSL

17

17

TVSD

19

19

TV9V

Q2501

VIDEO AMP

Q2454

Q2451

IC 2501

LA2120M

TV5V

L2402

VR2401

AUDIO BUFFER

VR2303

118

17

SHETA

19

SD

TV30VTV9V

L2451CF2451

PNS AND

Q2301

SIF(2ND)DET

Q2455

VIF DET

14 9

VOUT

15

VOUTN

1

DET1

16

DET2

10

AGCDL

8

2
TFIN

AFOUT

IC 2301

LA1145M

SDSENMULEV

VR2302VR2301

IC 2401

TA1290FN

DETIN

187

PIF2
PIF1

AGCOU

L2353CF2351

L2301

11 10

Q2363

IFOUT

CM0018AM

24

VIN

5

8

3

11

IC 2101

SAWFIL
CF2201

ANT1

ANT2

ANT3

ANT4

EN1
EN2
EN3
EN4

IFAMP

14

2ND LOCMIX

Q2353
Q2354

X2351

22.70MHz

Q2357
Q2358

X2352

22.20MHz

Q2361
Q2362

X2353

21.70MHz

13

14

15

16

12
11
10
9

Q2201

10

Q2155

Q2154

8

2

9

AGC

SDA
SCL

RF SW

FE2201

Q2351

Q2352

Q2355

Q2356

Q2359

Q2360

Q2150

Q2151

Q2152

Q2153

ANT inIF out

TV5V

TC7SH02FU

COI

4

1

BRSBGI

IC 2352

BRSDK

CN2150

EN1

CN2151

EN2

CN2152

EN3

CN2153

EN4

ANT1

ANT2

ANT3

ANT4

C

2
1

D

GEX-P6400TV/UC

56

7

8

15

A-a

A-b

A-a

A-b

A-b

A-a

1234

3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)

Note: When ordering service parts, be sure to refer to " EXPLODED VIEWS AND PARTS LIST" or
"ELECTRICAL PARTS LIST".

Large size

A-b

A-b

A-b

SCH diagram

Guide page

Detailed page

1Vrms

A

A

1Vrms

A

A-a

A-a

A-a

A

B

CV

>

CV

A-a

A

CV

5-3

C

CV

CV

MA

A

CV

A

MA

A

MA

CV

C

CV

MA

CV

A

A

CV

A

0dB

CV

MA

0dB

MA

A

>

CV

COMPOSITE VIDEO SIGNAL

Y

LUMINANCE SIGNAL

C

COMPOSITE Sync

H

H Sync

V

V Sync

A

AUDIO SIGNAL(L ch)

C

>

CEK1001
4A

CV

500mVrms

>

MA

MA

MONAURAL AUDIO SIGNAL(TV AUDIO)

MA

H

7.5m

MA

>

D

A

16

GEX-P6400TV/UC

1234

A

B

5678

(GEX-P6400TV/UC,GEX-P6450TV/ES)

CC

CV

A

0dB

CV

MA

0dB

CV

CV

A

MA

MA

MA

MA

MA

1-2

Y

5-1

5-2

6dB

H

V

CV

A-b

MOTHER UNIT

A

H

V

C

H

V

H

V

CV

CV

CV

CV

CV

CV

CV

CV

CV

CV

CV

CV

CV

CV

CV

CV

CV

3-1

VVOUT
A

CV

CV

3-2

CV

OUT
EV

R

CV

CV

CV

CV

MA

A

7-1

7-3

7-2

8-1

8-2

9-1

9-2

GEX-P6400TV/UC

GEX-P6450TV/ES

250mVrms

MA

1-1

CV

B

CN2701

C

NOTE :

Symbol indicates a resistor.
No differentiation is made between chip resistors and
discrete resistors.

Symbol indicates a capacitor.
No differentiation is made between chip capacitors and
discrete capacitors.

56

Decimal points for resistor
and capacitor fixed values
are expressed as :

←

2.2 2R2

←

0.022 R022

GEX-P6400TV/UC

GEX-P6450TV/ES

The > mark found on some component parts indicates
the importance of the safety factor of the part.
Therefore, when replacing, be sure to use parts of
identical designation.

7

D

A

17

8

1234

MA

(GEX-P6400TV/UC,GEX-P6450TV/ES)

CV

A

MA

A

B

A-b

1

CV

C

CV

MA

CV

5-3

CV

C

CV

MA

CV

2

CV

0dB

A

CV

0dB

MA

A

MA

CV

3

MA

A

A

A

MA

4

MA

A-b
A-a

A-a

A

A

C

A

A

1Vrms

A

A

1Vrms

CV

CV

>

>

D

A-a

18

GEX-P6400TV/UC

1234

A

B

SNd

SNd

5678

4

5

6

7

NOTE

A-b

MA

>

H
5m

.
7

MA

A-b
A-a

A-a

C

COMPOSITE VIDEO SIGNAL

LUMINANCE SIGNAL

COMPOSITE Sync

H Sync

V Sync

AUDIO SIGNAL(L ch)

MONAURAL AUDIO SIGNAL(TV AUDIO)

YCHVA

CV

>

MA

>

MA

CV

500mVrms

D

CEK1001

4A

>

GEX-P6400TV/UC

56

A-a

7

19

8

1234

CV

CV

A

CV

MOTHER UNIT

A

V

H

CV

CV

CV

CV

B

V

H

V

OUT

CV

CV

AV

V

3-1

CV

CV

CV

RE

V

OUT

3-2

CV

1-1

CV

CV

CV

CV

CV

CV

B

CN2701

MA

250mVrms

A-b
A-a

C

C

H

C

H

V

1-2

Y

5-2

5-1

CV

CV

MA

D

CV

6dB

CV

CV

MA

CV

CV

CV

MA

MA

A-b

20

CV

A

MA

1

2

3

4

GEX-P6400TV/UC

1234

A

B

5678

1

GEX-P6450TV/ES

GEX-P6400TV/UC

The > mark found on some component parts indicates

the importance of the safety factor of the part.

Therefore, when replacing, be sure to use parts of

identical designation.

GEX-P6450TV/ES

8-1

8-2

9-1

7-3

7-2

7-1

9-2

Decimal points for resistor

and capacitor fixed values

are expressed as :

←

←

2.2 2R2

0.022 R022

A-b
A-a

C

D

Symbol indicates a resistor.

No differentiation is made between chip resistors and

discrete resistors.

Symbol indicates a capacitor.

No differentiation is made between chip capacitors and

discrete capacitors.

NOTE :

4

5

56

6

GEX-P6400TV/UC

7

A-b

21

7

8

1234

- Mother Unit Waveform

Input signal: NTSC 75% color bar
(RF signal)

A

Input point: ANT1 (TV TUNER UNIT)
Operation mode: Normal operation
Measuring point
1-1: TVV
1-2: YIN

20µs/div

B

Input signal: None
Input point: None
Operation mode: Reset and start
Measuring point
7-1: IC1600 Pin 26
7-2: IC1600 Pin 25

Input signal: NTSC 75% color bar
Input point: AV-BUS IN
Operation mode: Service mode 1
Measuring point
3-1: AVVOUT
3-2: REVOUT

20µs/div

Input signal: None
Input point: None
Operation mode: Reset and start
Measuring point
8-1: IC1600 Pin 15
8-2: IC1600 Pin 14

Input signal: None
Input point: None
Operation mode: Service mode 1
Measuring point
5-1: VSYNC
5-2: HSYNC
5-3: Q1290 Pin 3

100µs/div

Input signal: None
Input point: None
Operation mode: Reset and start
Measuring point
9-1: IC1600 Pin 12
9-2: IC1600 Pin 11

7-3: IC1600 Pin 24

C

D

50ms/div

22

100µs/div

100µs/div

GEX-P6400TV/UC

1234

A

B

23

5678

C

GEX-P6400TV/UC

56

D

7

8

1234

3.3 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)

A-a

A

1Vrms

A

1Vrms

A

A

A

A

A

CV

5-3

C

CV

CV

MA

CV

CV

C

CV

MA

CV

A

CV

A

0dB

CV

MA

0dB

B

CV

>

CV

>

CV

COMPOSITE VIDEO SIGNAL

Y

LUMINANCE SIGNAL

C

COMPOSITE Sync

H

H Sync

V

V Sync

A

AUDIO SIGNAL(L ch)

MA

C

CV

>

MA

500mVrms

CEK1001
4A

>

MONAURAL AUDIO SIGNAL(TV AUDIO)

MA

MA

A

MA

A

MA

H

5m

7.

>

A

MA

D

A

24

1234

GEX-P6400TV/UC

A

B

5678

(GEX-P6400TVP/EW,GEX-P6450TVP/ES)

CC

CV

A

0dB

CV

MA

0dB

CV

CV

A

MA

MA

MA

MA

MA

1-2

Y

5-1

5-2

6dB

H

V

CV

CV

A-b

MOTHER UNIT

A

H

V

C

H

V

H

V

CV

CV

CV

CV

CV

CV

CV

CV

CV

CV

CV

CV

CV

CV

CV

CV

UT

3-1

VVO
A

CV

CV

3-2

CV

UT
O

EV
R

CV

CV

CV

CV

MA

A

7-1

7-3

7-2

8-1
8-2

9-1
9-2

GEX-P6400TVP/EW

GEX-P6450TVP/ES

GEX-P6450TVP/ES

250mVrms

MA

1-1

CV

B

CN2701

C

NOTE :

Symbol indicates a resistor.
No differentiation is made between chip resistors and
discrete resistors.

Symbol indicates a capacitor.
No differentiation is made between chip capacitors and
discrete capacitors.

56

Decimal points for resistor
and capacitor fixed values
are expressed as :

←

2.2 2R2

←

0.022 R022

GEX-P6400TV/UC

The > mark found on some component parts indicates
the importance of the safety factor of the part.
Therefore, when replacing, be sure to use parts of
identical designation.

7

D

A

25

8

1234

MA

(GEX-P6400TVP/EW,GEX-P6450TVP/ES)

CV

A

MA

A

B

A-b

1

CV

C

CV

MA

CV

5-3

CV

C

CV

MA

CV

2

CV

0dB

A

CV

0dB

MA

A

MA

CV

3

MA

A

A

A

MA

4

MA

A-b
A-a

A-a

A

A

C

A

A

1Vrms

A

A

1Vrms

CV

CV

>

>

D

A-a

26

GEX-P6400TV/UC

1234