Panasonic Quasar Omnivision PV-V4021-K Service Manual Download Page 121

Page: 121 / 146

FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.

COMPARISON CHART
OF MODELS & MARKS

PVQ-V201
PV-V4021
PV-V4021-K
- - - - - - - -
VHQ-401
VHQ-41M
PV-V4511
PV-V4521
PV-V4521A
PV-V4521-K
- - - - - - - -
VHQ-451
PV-V4611
- - - - - - - -
Not Used

A
B
C
D
E
F

G
H

MODEL

MARK

0.1

C4155

C3312

C4022

C3002

470/6.3V

C3001

C4154

Q3875

2SB709A

Q3001

100

R3003

100

R4152

D3001

D3002

D3005

D3003

R3004

D3004

560

R3002

1/50V

C4014

47K

R4010

6800

R4011

0.018

C7005

47K

R7001

1/50V

C4018

3900

R4018

2SD601ARS

Q4101

22/16V

C4106

0.01

C4103

C4101

5600P

C4102

0.01

C3105

R3101

0.01

C3106

0.01

C3104

1000P

C3108

1/50V

C3017

C3107

0.01

C3043

R3052

R3051

0.47

C3045

47/6.3V

C3024

0.01

C3025

0.1

C3026

180P

C3018

0.1

C3029

10/16V

C3028

R3023

0.22

C3027

2R2/50V

C3054

3300

R3039

0.01

C3052

6800

R3040

1200

R3036

3900P

C3055

10K

R3035

6800

R3038

C3059

0.1

C3062

4700

R3037

15M

L4001

R4028

820

R4007

8200P

C4011

22K

R4008

2R2M

R4005

2SD1819ARS

Q4003

1/50V

C4012

2SB1218ARS

Q4001

47/6.3V

C4008

680

R4006

2SD1819ARS

Q4002

10/16V

C4009

22/6.3V

C4007

0.027

C4010

0.01

C4004

330K

R4002

2700P

C4003

1000P

C4006

220

R4003

22/6.3V

C4005

1/50V

C4002

10K

R4001

33K

R4004

0.22

C4001

100

R4017

47K

R4009

0.01

C4017

L4002

C4015

C4013

R3013

R3015

C3156

56P

C3035

680

R3027

39U

L3014

R3024

R3025

56P

C3048

R3019

120

R3034

0.22

C3021

3900

R3033

1500

R3022

R3026

180P

C3047

C3046

R3020

0.1

C3014

0.1

C3015

FL3001

8200P

C3039

2R2/50V

C3038

22/6.3V

C3037

47/6.3V

C3033

2R2/50V

C3031

470K

R3031

1R2M

R3029

2R2/50V

C3032

0.01

C3205

0.01

C3217

0.01

C3213

1/50V

C3202

0.01

C3212

0.01

C3215

C3207

0.01

C3208

10K

R3203

4700P

C3210

0.01

C3209

100U

L3201

0.01

C3204

10/16V

C3206

4R7/50V

C3201

0.1

C3211

0.01

C3203

820

R3201

10/16V

C3216

0.1

C3214

R3202

6800

R7004

C7024

100U

L7003

100/6.3V

C7001

C7020

L3505

100U

L3506

100U

C3513

100/6.3V

C3514

100/6.3V

C3516

0.1

C3517

0.1

L3501

L3502

L3503

L3504

C3508 0.1

C3507 0.1

C3506 0.1

C3505 0.1

C3504 0.1

C3501 0.1

C3502 0.1

C3503 0.1

R3204

R3205

R3208

R3210

R3207

R3209

Q3201

Q3202

C3220 0

C3219

L3203

C3218

R3206

C3515

100/6.3V

C3518

0.1

C3519

1000P

0.1

C3102

D3008

100/6.3V

C3023

100/6.3V

C3051

0.1

C3050

100/6.3V

C3030

R3042

0.1

C3049

R3007

1500

R3006

1500

R3041

R3010

C3509

C3510

C3511

C3512

R3501

R3502

R3503

R3504

100

R4151

C4152

1/50V

C4151

1/50V

C4153

100K

R4153

100K

R4154

Q4151

UN5212

R4161

22K

R4155

100K

R4156

100K

R4158

100K

R4157

100K

R4160

R4159

R3508

R3507

R3506

R3505

1/50V

C3101

1/50V

C3056

0.22

C3034

47/16V

C3003

0.1

C3004

R4030

L3001

47U

Q3203

R3212

R3213

R3211

C3221

0.47/50V

C3053

0.47/50V

C3044

R3053

680K

R3009

3300

Q3003

2SD601ARS

Q3002

2SB709ARS

R3008

3300

TP3003

TP3150

TP3103

TP3101

TP3008

TP3004

TP3151

TP3009

TP4011

TP3152

TP4101

TP3010

TP3007

TP3401

TP4103

TP3011

TP4102

TP3005

TP3006

TP3102

TP3153

TP4002

TP3002

TP3001

J4103

J3151

J3503

J4101

J4002

J3501

J3502

J4001

J3011

J4102

VSXS0195-T

X3010

EIQ7QF018Q

T4101

IC3101

MN3885S

IC3201

TA8898AN

NN13400A

IC3001

100

L3507

100U

R3016

R3014

4700

R4014

6800

R4012

2200

R4015

68U

L3202

47U

L3018

0.1

C3022

R3011

L3013

C3020

56P

C3019

0.1

C3036

33U

L3016

100U

L3101

100/6.3V

C3109

IC4151

UPD4053BG

AUDIO(R)

AUDIO(L)

OUT

VIDEO

OUT

JK3001

330

R4013

1000P

C7010

R3874

L4151

R3875

470U

L4101

33K

R4102

R4104

R4101

15K

R4103

0.01

C4104

REC VIDEO SIGNAL

PB VIDEO SIGNAL

CYLINDER SERVO

VJBS6070

PB AUDIO SIGNAL

REC AUDIO SIGNAL

CLOCK

VDD

AMP

DRIVER

CCD 1H
DELAY

CCD 1H

DELAY

GND

PLL

LIM

AGC

DET

AGC

DET

VDD

APC

(CNR)

BPF

VOB

AGC

CLOCK

DRIVE

GND

VCC

S/H

CCD

DELAY

VGG

GND

P3502

2
3
4

5
6

VIDEO LP/SLP L HEAD

P3501

VIDEO LP/SLP L/R HEAD

VIDEO LP/SLP R HEAD

VIDEO SP R HEAD

Hi-Fi AUDIO L HEAD

VIDEO SP L/R HEAD

VIDEO SP L HEAD

Hi-Fi AUDIO L/R HEAD

Hi-Fi AUDIO R HEAD

5
6

7
8

PIN

VIDEO LP/SLP

L HEAD

VIDEO LP/SLP

R HEAD

VIDEO SP

R HEAD

VIDEO SP

L HEAD

Hi-Fi AUDIO

L HEAD

Hi-Fi AUDIO

R HEAD

UPPER CYLINDER UNIT

ENV-DET

ENV-VOLTAGE

ROTARY SW

Hi-Fi AUDIO L HEAD

Hi-Fi AUDIO L/R HEAD

Hi-Fi AUDIO R HEAD

VEE

VSS

VDD

INPUT

SELECT

U7001 UHF/VHF TUNER/TV DEMODULATOR UNIT

ENG56717G1

UNSW+33V

GND

SW+5V (VIDEO)

AFC

CTL HEAD GND

CTL HEAD

P4002

AUDIO ERASE HEAD

AUDIO HEAD

CONTROL

HEAD

AUDIO

ERASE HEAD

AUDIO HEAD

P4092

AUDIO CONTROL

HEAD C.B.A.

P4001

GND

FE-HEAD

FULL ERASE HEAD UNIT

P4101

1 2

FULL ERASE HEAD UNIT

FE-HEAD

GND

HEAD SW

HEAD AMP SW

Hi-Fi DELAY REC(H)

DELAY REC+12V

CTL HEAD

CTL HEAD GND

AUDIO MUTE(H)

2500H(L)

NORMAL AUDIO

I2C SERIAL CLOCK

I2C SERIAL DATA

V-LOCK PULSE

SW+5V(VIDEO)

AFC

SW+5V (VIDEO)

UNSW+33V

TV(L)/VCR(H)

TV(L)/ VCR(H)

CH3(H)/CH4(L)

CH3(H)/ CH4(L)

SW+5V (VIDEO)

SERIAL CLOCK

SERIAL DATA

RF AUDIO

NORMAL AUDIO

RF AUDIO

INPUT SELECT 2

SW+12V

AUDIO 2 R CH

AUDIO L CH

AUDIO 1 L CH

AUDIO 1 R CH

AUDIO R CH

VIDEO

VIDEO 2

CAPSTAN SERVO

TO MAIN I

TO MAIN IV

BIAS

OSC

TO MAIN I

AUDIO
DELAY REC

ON-OFF

AUDIO
DELAY REC

ON-OFF

AUDIO
DELAY REC

ON-OFF

TO MAIN I

TO MAIN IV

TO MAIN I

TO MAIN V

SIF

SIF OUT

TO MAIN IV

TO MAIN V

TO MAIN I

VIDEO

AUDIO

TO MAIN IV

TO MAIN I

TO MAIN V

TO MAIN IV

TO MAIN I

TO MAIN III

TO MAIN I

(BUFFER)

TO MAIN IV

GND

VCC

GND

VCC

REC

EQL

REC

EQL

GND

VCC

AGC

DET

1/2

VCC

GND

REC-C GND VCO

REC-Y

GCA

DET

VCC

ACC

DET

COLOR

KILLER DET

AGC

DET

GCA

DET

VCC

V-REG

CLAMP

GND

YNR

MAIN

EMPH.

CLAMP

W/D

CLIP

REC

EQL.

MAIN

DE-EMPH

MAIN

DE-EMPH

GND

AGC

DET

VCC

SP
HEAD

AMP

LP/SLP
HEAD

AMP

ENV.

DET

LP/SLP

REC

LP/SLP

D-REC-ON

SLP

-ON

PB-

OFF

LP/SLP

-ON

REC

AMP

TRAP

TUNER

LINE

MUTE

AGC

REC

SP/SLP

-ON

AMP

VXO

CLOCKGENERATOR

I2C BUS

CONTROL

TUNER

LINE 1

LINE 2

AGC

SYNC

SEPARATION

ART.V/H

SYNC MIX

Y/C MIX

PB REC

REC/PB CHROMINANCE

SIGNAL PROCESS

VIDEO/AUDIO

PROCESS/HEAD AMP

REC/PB LUMINANCE

SIGNAL PROCESS

S-VHS

DET

AT ENV

DET

Y/C MIX

PB-OFF

AUDIO 2 R CH

TO MAIN III

VIDEO

(SWITCHING)

(BUFFER)

(AMP)

(FRAME GND)

REC-OFF

CLAMP

IF IN

IF OUT

(AMP)

WF38

WF37

WF17

WF16

WF13

WF11

WF12

WF9

WF10

WF7

WF6

WF14

WF2

WF1

WF3

WF4

WF8

WF16

S-VHS

REC-C

MONITOR

10/16V

100U

LINK TO SIGNAL WAVEFORM

LINK TO VOLTAGE CHART

MAIN II (SIGNAL PROCESS/AUDIO) SCHEMATIC DIAGRAM (G, H, J, K, L, M, N)

Summary of Contents for Quasar Omnivision PV-V4021-K

Page 1: ...ORDER NO MKE0101000C1 B3 Video Cassette Recorder PVQ V201 PV V4021 PV V4021 K VHQ 401 VHQ 41M PV V4511 PV V4521 PV V4521A PV V4521 K VHQ 451 PV V4611 SPECIFICATIONS ...

Page 2: ...ls included in this Service Manual The Model number is indicated on the Model No Label which is located on the rear side of the Cabinet Differences between PV V4521 and PV V4521A are as below Cylinder Unit Ref No 11 Grounding Plate Unit Ref No 57 Screw Ref No 430 Flexible Flat Cable Ref No 718 2 ...

Page 3: ... personal injury from electrical shocks It will also protect VCR from being damaged by accidental shorting that may occur during servicing 3 When servicing observe the original lead dress If a short circuit is found replace all parts which have been overheated or damaged by the short circuit 4 After servicing see to it that all the protective devices such as insulation barriers insulation papers s...

Page 4: ... is outside of the limits specified there is a possibility of a shock hazard and the equipment should be repaired and rechecked before it is returned to the customer Figure 1 3 PREVENTION OF ELECTRO STATIC DISCHARGE ESD TO ELECTROSTATICALLY SENSITIVE ES DEVICES Some semiconductor solid state devices can be damaged easily by static electricity Such components commonly are called Electrostatically S...

Page 5: ...ediately before removing the protective material from the leads of a replacement ES device touch the protective material to the chassis or circuit assembly into which the device will be installed CAUTION Be sure no power is applied to the chassis or circuit and observe all other safety precautions 8 Minimize bodily motions when handling unpackaged replacement ES devices Otherwise harmless motion s...

Page 6: ...his data is cleared after it is displayed and then the POWER button is pressed back on 1 With power turned off press VCR TV button on VCR for over 3 seconds if VCR is not in shut off condition Fig 1 1 2 Fault code 4 digit number will be displayed in F I P as shown Fig 1 2 Fig 1 3 Fig 1 4 6 ...

Page 7: ...Fig 1 5 Fig 1 6 3 While pressing VCR TV button on VCR with power turned off press any operation button on either VCR or remote to detect that a key has 7 ...

Page 8: ...e VCR does not go into VCR shut off condition If it occurs again within a minute the VCR goes into VCR shut off condition Then the VCR stops and all VCR function buttons except for power become non operational Without clock model in F I P Simplified Self Diagnostic System facilitates finding the cause of the fault LED will light up or flash in F I P The Simplified Fault finding data is stored in t...

Page 9: ...2 Fault indication will be displayed in F I P as shown Fig 2 2 FIg 2 3 9 ...

Page 10: ...Lock indication occurs Lock data will be stored in the EEPROM IC Current data Last Lock data and the Last Lock data before last Lock data displayed in F I P can be changed by pressing CH DOWN button Fig 2 4 10 ...

Page 11: ...ed Power on time in days the total elapsed Cylinder rotation time in hours 1 With power turned on and no cassette press VCR TV button on VCR and 7 key on remote together The USAGE SCREEN will be displayed on the TV Monitor Fig 3 Note 1 After replacing the Cylinder Unit press COUNTER RESET button on remote in this mode Only Total elapsed Cylinder rotation time in hours will be cleared to 0 2 To rel...

Page 12: ...AL ADJUSTMENT procedures 5 1 4 SERVICE POSITION 5 1 4 1 Service Position CAUTION HOT CIRCUIT Primary circuit exists on the Main C B A Use extreme care to prevent accidental shock when servicing 5 1 4 1 1 Service Position 1 Fig 4 1 5 1 4 1 2 Service Position 2 1 Model A B C D E F G H I J K L Fig 4 2 1 12 ...

Page 13: ...5 1 4 1 3 Service Position 2 2 Model M N Fig 4 2 2 13 ...

Page 14: ...not work correctly in Service Position 2 1 2 2 Recording can not be done In this case short the S Tab SW Pins on the foil side of the Main C B A to turn this SW on Fig 4 3 2 Place the tape between the Cassette Up Ass y and Main C B A to get a 14 ...

Page 15: ...e to prevent accidental shock when servicing 5 1 6 SERVICE MODE In order to inhibit detection of the Supply Takeup Photo Transistors Reel Sensor and Cylinder Lock press and hold VCR TV button and CH DOWN buttons on VCR together over 5 seconds in power off condition Fig 5 1 The power comes on and the unit goes into service mode In this mode Mechanism movement can be confirmed When removing Cassette...

Page 16: ... tracking functions are not operational Fig 5 2 To release from this mode press PLAY or STOP button 5 1 8 CAUTION FOR INSTALLATION OF FRONT PANEL ASS Y CAUTION Opener Lever may be damaged when Front Panel Ass y is installed with Cassette Door Lid of Front Panel Ass y and Opener Lever of Cassette Up Ass y set incorrectly Install the Front Panel Ass y as follows 1 Swing the Cassette Door Lid all the...

Page 17: ...d or locked Fig 7 1 5 1 9 2 Electrical Method Apply 10 0 V DC Power Supply to the Loading Motor terminals Loading DC to Portion a DC to Portion b Unloading DC to Portion a DC to Portion b CAUTION Before applying DC Power Supply be sure to cut the Motor Leads with a cutter etc Otherwise the Loading Motor Drive IC IC2501 may be damaged When reconnecting the Motor Leads solder at below 320 C for less...

Page 18: ...b Fig 7 3 5 1 10 HOW TO REMOVE A JAMMED TAPE CAUTION Wiper Arm Unit may be damaged or its spring may be out of place when the jammed tape is removed by force Remove a jammed tape as follows 5 1 10 1 Manual Method When a tape jam is encountered check the tape loading condition and use the following procedure to remove a tape jam Fig 8 1 18 ...

Page 19: ...pe into the cassette by rotating the Center Clutch Unit counterclockwise 4 Unhook Spring A of the Drive Rack Arm 5 Remove Screw A 6 Lift the Cassette Up Ass y While pulling the Cassette Up Ass y out far enough so that it clears the Drive Rack Arm slide the Drive Rack Unit as indicated by the arrow to remove the cassette tape from the Cassette Up Ass y 7 Check the cause of mechanical trouble and re...

Page 20: ...lectrical Method Electrical method can only be performed when the mechanism is moved by rotating the Loading Gear CAUTION 1 Before applying DC Power Supply be sure to cut the Motor Leads with a cutter etc Otherwise the Loading Motor Drive IC IC2501 may be damaged When reconnecting the Motor Leads solder at below 320 C for less than 3 seconds 2 If loading does not start in approx 2 seconds after DC...

Page 21: ... one unit to the input of the test unit 2 Select corresponding RF channels 3 Playback a recording of P B S channel including clock set data and confirm this feature 5 1 14 VARIABLE VOLTAGE ISOLATION TRANSFORMER An Isolation Transformer should always be used during the servicing of VCR whose chassis is not isolated from the AC power line Use a transformer of adequate power rating as this protects t...

Page 22: ...e preheated before installation 266 F 302 F 130 C 150 C for about 2 minutes Note A Leadless components must not be reused after removal B Excessive mechanical stress and rubbing of the component electrode must be avoided 2 Removing the leadless component Grasp the leadless component body with tweezers and alternately apply heat to both electrodes When the solder on both electrodes is melted remove...

Page 23: ...ement leadless component to the circuit board 5 1 17 MODEL NO IDENTIFICATION MARK Use Marks shown in the chart below to distinguish the different models included in this Service Manual 5 1 18 MODEL NUMBER INDICATION The Model number is indicated on the Model No Label which is located on the rear side of the Cabinet 23 ...

Page 24: ... Plate Unit Ref No 57 Screw Ref No 430 Flexible Flat Cable Ref No 718 Main C B A Ref No E10 When ordering these be sure to confirm the model number printed on the Model No Label and order the proper parts according to the replacement parts list 5 2 IC TRANSISTOR AND CHIP PART INFORMATION 24 ...

Page 25: ...ABINET SECTION 6 1 1 Disassembly Flowchart Perform all disassembly procedures in the order described in the Disassembly Flowchart shown below When reassembling use the reverse procedure CAUTION Disconnect AC plug before disassembly Fig D1 25 ...

Page 26: ...hese numbers are also used as the identification location No of parts in Figures B Part to be removed or installed C Fig No showing Procedure or Part Location D Identification of part to be removed unhooked unlocked released unplugged or unsoldered 2 S 1 2 Screws S 1 2 L 1 2 Locking Tabs L 1 P 1 Spring P 1 E Refer to Notes in chart 26 ...

Page 27: ...Fig D2 6 1 2 1 Notes in chart 27 ...

Page 28: ...anel Ass y swing the Cassette Door Lid all the way open until the Cassette Door tab clears the Opener Lever B Make sure that all locking tabs are aligned properly Then press the Front Panel straight in Fig D3 3 Installation of VCR Chassis Unit When installing 2 Screws S 5 slide the Holder Unit of the Cassette Up Ass y Refer to METHOD FOR LOADING UNLOADING OF MECHANISM in Service Notes to tighten s...

Page 29: ...tion Confirmation in DISASSEMBLY ASSEMBLY PROCEDURES Fig D4 C Install the Mechanism Chassis and Cassette Up Ass y straight onto the Main C B A so that the Sensor LED clears the hole in the Mechanism Chassis and that 2 Connectors P4001 P6201 are aligned and seated securely D Connect the Flat Flexible Cables from P3501 P4002 and P6202 on the Main C B A by soldering at below 320 C for less than 3 sec...

Page 30: ...Fig D5 2 30 ...

Page 31: ... Up Ass y Then slide the Cassette Up Ass y towards the back B When installing 2 Screws S 8 slide the Holder Unit Refer to METHOD FOR LOADING UNLOADING OF MECHANISM in Service Notes to tighten screws Then slide it back to the EJECT Position C Hook Spring P 1 to the Drive Rack Arm on the Mechanism Chassis 6 2 MECHANISM SECTION 6 2 1 Disassembly Reassembly Method 31 ...

Page 32: ...32 ...

Page 33: ...6 2 2 Inner Parts Location Fig J1 1 33 ...

Page 34: ...34 ...

Page 35: ...6 2 3 EJECT Position Confirmation Fig J1 2 6 2 4 Grounding Plate Unit Full Erase Head and Cylinder Unit Fig J2 1 1 35 ...

Page 36: ...Fig J2 1 2 36 ...

Page 37: ... the center line of the plate is just less than 1 0 mm measured from the center of the Cylinder shaft If required adjust the plate position by loosening Screw S 1 Never install the Grounding Plate Unit on the rear side of the Cylinder shaft Incorrect positioning will cause cylinder buzz Fig J2 2 2 After replacing the Cylinder Unit clear the Total elapsed Cylinder rotation time in hours to 0 Refer ...

Page 38: ...6 2 5 Capstan Belt Support Angle Intermediate Gear B and Main Cam Gear Fig J3 1 6 2 5 1 Reassembly Notes 1 Alignment of Main Cam Gear Drive Rack Arm and Main Rod 38 ...

Page 39: ... the upward position as shown Fig J3 2 2 Confirmation Alignment of Intermediate Gear B Main Cam Gear and Intermediate Gear A A Confirm that the Hole A on Lift Gear is a Through Hole with a hole on chassis B Confirm that the hole on Intermediate Gear A is aligned with the hole on Lift Gear Fig J3 3 C Install the Intermediate Gear B so that the hole on the Intermediate Gear B is aligned with the hol...

Page 40: ...onsists of a Main Cam Gear and a Main Cam Push Nut However Main Cam Push Nut is available separately as a replacement part 5 Installation of Main Cam Gear and Main Cam Push Nut A After installing the Support Angle install the Main Cam Push Nut with Needlenose Pliers etc so that it is flush with the chassis There may be some slight scratches on the Shaft of Main Cam Gear when removing the Main Cam ...

Page 41: ...able Install a new one 6 2 6 Center Clutch Unit Changing Gear Spring Changing Gear and Idler Arm Unit Fig J4 1 6 2 6 1 Reassembly Notes 1 Installation of Center Clutch Unit A Fit the Center Clutch Unit into the Changing Gear Fig J4 2 41 ...

Page 42: ... Fig J5 1 6 2 7 1 Reassembly Notes 1 Alignment of Main Rod and T Loading Arm Unit A Align the Gear on T Loading Arm Unit with Gear of Main Rod Confirm that the Hole on Main Rod is a Through Hole with a hole on chassis Fig J5 2 42 ...

Page 43: ...6 2 8 Stopper Angle Capstan Rotor Unit Oil Seal Capstan Stator C B A and MR Head Fig J6 1 6 2 8 1 Reassembly Notes 43 ...

Page 44: ...rease depletion Fig J6 2 2 Installation of Capstan Rotor Unit and Oil Seal A Install the 2 Oil Seals into the Capstan Holder Unit Then insert the Capstan Rotor Unit Shaft into the hole of the Capstan Holder Unit so that shaft passes through 2 Oil Seals Be careful not to scratch the Shaft or Capstan Holder Unit B Align the bottom of Oil Seal A with notch line A Align the top of Oil Seal B with notc...

Page 45: ...g Arm Unit and S Loading Arm Unit A Install the S Loading Arm Unit onto the chassis B Install the T Loading Arm Unit so that the hole on T Loading Arm Unit is aligned with the hole on S Loading Arm Unit C Confirm that the holes on the S T Loading Arm Unit are Through Holes with hole on chassis Fig J7 2 45 ...

Page 46: ...6 2 10 T Brake Unit Tension Control Arm Unit T Reel Table S Reel Table and Tension Arm Unit Fig J8 1 6 2 10 1 Reassembly Notes 1 How to distinguish between S Reel Table and T Reel Table Fig J8 2 46 ...

Page 47: ...6 2 11 Loading Post Base T Unit and Loading Post Base S Unit Fig J9 6 2 12 Opener Piece Drive Rack Arm Pinch Arm Unit P5 Arm Unit and Intermediate Gear A Fig J10 1 47 ...

Page 48: ...ole with a hole on chassis B Install the Intermediate Gear A so that the hole on Intermediate Gear A is aligned with the hole on Lift Gear C Install the P5 Arm Unit so that it contacts with the tab of chassis Fig J10 2 2 Installation of Opener Piece A Install the Opener Piece so that the slot of the Opener Piece is inserted to the Pin of Pinch Arm Unit Fig J10 3 48 ...

Page 49: ...6 2 13 Motor Block Unit Audio Control Head Unit Lift Gear Capstan Holder Unit Tension Arm Boss and Cleaner Arm Unit Fig J11 6 3 CASSETTE UP ASS Y SECTION 49 ...

Page 50: ...prior to the current step C Part to be removed or installed D Fig No showing Procedure or Part Location E Identification of part to be removed unhooked unlocked released unplugged or unsoldered S 1 Screw S 1 L 1 Locking Tab L 1 W 1 Washer W 1 P 1 Spring P 1 C 1 Cut Washer C 1 F Alignment Adjustment which is required when installing or replacing each Parts 6 3 1 Top Plate Wiper Arm Unit and Holder ...

Page 51: ... of Wiper Arm Unit and Drive Rack Unit A Slide the Drive Rack Unit to the far right as indicated by the arrow B Install the Wiper Arm Unit so that the hole on the Wiper Arm Unit is aligned with the hole on the Drive Rack Unit Fig K1 2 51 ...

Page 52: ...ch end are aligned with the each groove on Side Plate L and R B Insert Holder Unit boss A and B into the grooves as shown in Fig K1 1 C Finally in the EJECT Position confirm that the protrudence on the Wiper Arm Unit is aligned with the indentation on the Drive Rack Unit Fig K1 3 52 ...

Page 53: ...and Drive Rack Unit Fig K2 7 ADJUSTMENT PROCEDURES 7 1 SERVICE FIXTURES AND TOOLS 7 2 MECHANICAL ADJUSTMENT 7 2 1 CLEANING PROCEDURE FOR THE UPPER CYLINDER UNIT 1 While slowly turning the Upper Cylinder Unit counterclockwise by hand gently rub the Video Heads with a Head Cleaning Stick VFK27 53 ...

Page 54: ...NT PROCEDURES 7 2 2 1 BACK TENSION CONFIRMATION Purpose To fine adjust the Back Tension so that the tape runs smoothly with a constant tension Symptom of Misadjustment 1 If the tape tension is less than the specified value the tape cannot come into proper contact with the Video Heads resulting in poor picture playback 2 If the tape tension is too high the tape will soon be damaged Equipment Requir...

Page 55: ...ion measurement is still out of specification replace the Tension Arm Unit and the Tension Control Arm Unit Fig M2 2 Note 1 Be sure that the three probes of the meter are all in solid contact with the tape but not touching any other parts of the mechanism 2 It is recommended that measurements should be repeated at least three 3 times because the tension meter is very sensitive to external vibratio...

Page 56: ...e Main C B A 3 Slightly loosen Screw A Then set the Screwdriver Phillips Driver into the Hole A Turn the screwdriver clockwise until the MR Head touches the rotor Then turn it slightly counterclockwise to make the clearance as specified 4 Tighten Screw A 5 Reinstall the Main C B A Fig M3 1 Note Do not touch the outside circumference of the rotor surface with any tool and keep magnetic material awa...

Page 57: ...BILITY ADJUSTMENT Note To perform these adjustment confirmation procedures enter the Tracking center mode Equipment Required Dual Trace Oscilloscope VHS Alignment Tape VFMS0003H6 Post Adjustment Driver VFK0329 H Position Adjustment Driver VFK0330 7 2 2 3 1 ENVELOPE OUTPUT ADJUSTMENT The height of the P2 and P3 Posts replacement part is preadjust at the factory Purpose To achieve a satisfactory pic...

Page 58: ...trigger 6 Confirm that the RF envelope is flat enough V1 V max is 0 7 or more If not with Post Adjustment Driver adjust P2 and P3 post height so that the envelope waveform becomes as flat V1 V max is 0 7 or more as possible No envelope drop If the envelope drop appears on the left half of the waveform adjust P2 post height If the envelope drop appears on the right half of the waveform adjust P3 po...

Page 59: ...he head and the Control Signal at the lower part of the head Symptom of Misadjustment If the tilt of the Audio Control Head is poorly adjusted the tape will eventually be damaged An intermittent Blue screen may be seen in Playback 1 Play back a T120 cassette tape and check that the tape travels smoothly between the upper and lower guides of the P4 post 2 If necessary adjust Black Screw B clockwise...

Page 60: ...n will be seen in Playback This confirmation is required when the Audio Control Head is replaced 1 Play back a T120 cassette tape and check that the lower edge of the tape runs approximately 0 25 mm above the lower edge of the Audio Control Head 2 If necessary adjust Black Screws A and B clockwise to lower the tape or counterclockwise to raise Fig M6 7 2 2 3 4 AUDIO CONTROL HEAD AZIMUTH ADJUSTMENT...

Page 61: ...orizontal Position of the Audio Control Head is not properly adjusted a maximum envelope cannot be obtained at the Neutral Position of the Tracking Control Circuit 1 Insert the alignment tape 2 Press and hold VCR TV button and CH DOWN buttons on VCR together over 5 seconds in power off condition The power comes on and the unit goes into service mode 3 Play back the alignment tape 4 To enter Tracki...

Page 62: ...nic technology using I2C Bus concept The PG SHIFTER ADJUSTMENT is adjusted by using On Screen Display and the remote control instead of adjusting mechanical controls VR 7 3 2 TEST EQUIPMENT To do all of these electrical adjustments the following equipment is required 1 Dual Trace Oscilloscope Voltage Range 0 001 V to 50 V Div Frequency Range DC to 50 MHz Probes 10 1 1 1 2 Isolation Transformer Var...

Page 63: ...6205 Main C B A Specification T 6 H 0 5 H 0 38 ms 0 03 ms Mode SP Playback Mode SP Playback Equipment Oscilloscope VHS Alignment Tape VFMS0003H6 TV monitor 1 Insert the VHS Alignment Tape and play back in SP mode 2 Press VCR TV button on the unit and 3 button on the remote control together to enter EVR PG SHIFTER ADJUSTMENT Mode Then PGMM MANUAL ADJUSTMENT menu will appear on the TV monitor Fig E2...

Page 64: ...efore the start of the vertical sync pulse by pressing CH UP and CH DOWN buttons on the remote control Fig E2 2 5 After adjustment is completed press REC button on the remote control Then COMPLETE will appear on the TV monitor and adjusted value will be written to Memory IC IC6005 Fig E2 3 6 Press STOP button on the remote control to release from EVR PG SHIFTER ADJUSTMENT MODE 7 4 TEST POINTS AND ...

Page 65: ...RD LAYOUT NOTES 8 2 MAIN SCHEMATIC DIAGRAMS Model PVQ V201 PV V4021 PV V4021 K VHQ 401 VHQ 41M PV V4521 K Model PV V4511 PV V4521 PV V4521 K VHQ 451 PV V4611 8 3 CAPSTAN STATOR SCHEMATIC DIAGRAM 8 4 INTERCONNECTION SCHEMATIC DIAGRAM 8 5 SIGNAL WAVEFORMS 65 ...

Page 66: ...4521 K VHQ 451 PV V4611 9 2 CAPSTAN STATOR 10 BLOCK DIAGRAMS 10 1 POWER SUPPLY BLOCK DIAGRAM 10 2 VIDEO SIGNAL PATH BLOCK DIAGRAM 10 3 AUDIO SIGNAL PROCESS BLOCK DIAGRAM 10 4 Hi Fi AUDIO SIGNAL PATH BLOCK DIAGRAM 10 5 SYSTEM CONTROL BLOCK DIAGRAM 10 6 SERVO BLOCK DIAGRAM 10 7 OPERATION BLOCK DIAGRAM 11 EXPLODED VIEWS 11 1 MECHANISM TOP SECTION 66 ...

Page 67: ...11 2 MECHANISM BOTTOM SECTION 67 ...

Page 68: ...11 3 CASSETTE UP COMPARTMENT SECTION 68 ...

Page 69: ...11 4 CHASSIS FRAME AND CASING PARTS SECTION Model PVQ V201 PV V4021 PV V4021 K VHQ 401 PV V4511 PV V4521A 69 ...

Page 70: ... Model PV V4511 PV V4521 PV V4521 K VHQ 451 70 ...

Page 71: ... Model PV V4611 71 ...

Page 72: ...11 5 PACKING PARTS AND ACCESSORIES SECTION Model PVQ V201 PV V4021 PV V4021 K VHQ 401 VHQ 41M PV V4511 PV V4521 PV V4521A PV V4521 K VHQ 451 72 ...

Page 73: ... Model PV V4611 73 ...

Page 74: ...12 REPLACEMENT PARTS LISTS BEFORE REPLACING PARTS READ THE FOLLOWING 12 1 REPLACEMENT NOTES 12 1 1 General Notes 1 Use only original replacement parts 74 ...

Page 75: ... ELECTROSTATICALLY SENSITIVE ES DE VICES section of this service manual 4 Parts with no Ref No in EXPLODED VIEWS are not supplied And some Ref No will be skipped Be sure to make your orders of replacement parts according to the parts list 5 Parts different in shape or size may be used However only interchangeable parts will be supplied as service replacement parts 6 All of parts are supplied from ...

Page 76: ... available separately as a replacement part 3 The Infrared Remote Control Unit Ref No 123 replacement part is available as a complete assembly unit only Do not try to disassemble the Infrared Remote Control Unit However the battery cover is available separately as a replacement part 4 Main Cam Push Nut Ref No 414 is not reusable If removed install a new one 12 1 3 Electrical Replacement Notes 1 Un...

Page 77: ...pstan Stator C B A of MECHANISM SECTION in DISASSEMBLY ASSEMBLY PROCEDURES 6 Since the UHF VHF TUNER TV DEMODULATOR UNIT Ref No 743 has already been pre adjusted at the factory do not try to adjust the UHF VHF TUNER TV DEMODULATOR UNIT The UHF VHF TUNER TV DEMODULATOR UNIT replacement part is available as a complete assembly unit only 7 EEP ROM IC IC6005 MAIN C B A replacement note After replacing...

Page 78: ...12 2 MECHANICAL REPLACEMENT PARTS LIST MECHANICAL REPLACEMENT PARTS 78 ...

Page 79: ...0 CYLINDER UNIT G H J K L M N 1 11 VEGS0455 CYLINDER UNIT I 1 12 VEHS0596 AUDIO CONTROL ERASE HEAD UNIT A B C D E F 1 12 VEHS0598 AUDIO CONTROL ERASE HEAD UNIT G H I J K L M N 1 14 LSDG0112 LIFT GEAR 1 16 VXDS0213 LOADING POST BASE S UNIT 1 17 VXDS0214 LOADING POST BASE T UNIT 1 18 VXLS1094 PINCH ARM UNIT 1 19 LSDG0110 INTERMEDIATE GEAR A 1 20 VXLS1101 P5 ARM UNIT 1 21 LSML0131 DRIVE RACK ARM 1 22...

Page 80: ...2 FRONT PANEL ASS Y E 4 71 VYPS7090 FRONT PANEL ASS Y F 4 71 VYPS7096 FRONT PANEL ASS Y G 4 71 VYPS7080 FRONT PANEL ASS Y H I J 4 71 VYPS7083 FRONT PANEL ASS Y L 4 71 VYPS7087 FRONT PANEL ASS Y M 4 71 VYPS7093 FRONT PANEL ASS Y N 4 72 VYPS7086 CASSETTE DOOR LID UNIT A 4 72 VYPS7084 CASSETTE DOOR LID UNIT B C D K 4 72 LSGP0262 CASSETTE DOOR LID E F 4 72 VYPS7085 CASSETTE DOOR LID UNIT G H I J M N 4...

Page 81: ... 81 ...

Page 82: ...PN0230 FRONT CUSHION STYROFOAM C J K 5 125 LSPN0169 FRONT CUSHION STYROFOAM M N 5 126 LSPN0210 REAR CUSHION STYROFOAM A B D E F G H I L 5 126 LSPN0231 REAR CUSHION STYROFOAM C J K 5 126 LSPN0152 REAR CUSHION STYROFOAM M N 5 127 CPS 1C CHECK POINT LABEL A B H I 5 128 N9ZZ00000027 SECURITY TAG A B H I 5 269 LSSC0425 GROUNDING PLATE 4 270 LSSC0426 GROUNDING PLATE 4 271 LSGQ0041 CUSHION PLASTIC M N 4 ...

Page 83: ... 4 RTL E10 VEPS6070HE MAIN C B A G 4 RTL E10 VEPS6070HB MAIN C B A H 4 RTL E10 VEPS6071HA MAIN C B A I 4 RTL E10 VEPS6070HK MAIN C B A J 4 RTL E10 VEPS6070HD MAIN C B A K 4 RTL E10 VEPS6070HA MAIN C B A L 4 RTL E10 VEPS6070HC MAIN C B A M 4 RTL E10 VEPS6070HH MAIN C B A N 4 RTL E30 VEMS0342 CAPSTAN STATOR C B A NR 2 SERVICE FIXTURES AND TOOLS Ref No Part No Part Name Description Remarks VFMS0003H6...

Page 84: ...cription Remarks IC1001 0N3131 R KT IC LINEAR IC1001 PS2501 1 X IC LINEAR IC1001 0N3131 S KT IC LINEAR IC1002 TA76431AS IC LINEAR IC1002 TA76431ASTP6 IC LINEAR IC2601 AN3808K IC LINEAR IC3001 NN13400A IC LINEAR IC3101 MN3885S IC CCD E S D IC4151 BU4053BCF IC CMOS STANDARD LOGIC B C D F E S D IC4151 CD4053BCM IC CMOS STANDARD LOGIC B C D F E S D IC4201 AN3663FBP V IC LINEAR I IC6001 MN101D02FPA IC ...

Page 85: ...NPN CHIP B C D F Q6001 2SD1819ARS TRANSISTOR SI NPN CHIP Q6001 2SC4081T106R TRANSISTOR SI NPN CHIP Q6002 2SB709A RS TRANSISTOR SI PNP CHIP Q6002 2SA1037K146R TRANSISTOR SI PNP CHIP Q6003 2SD1819ARS TRANSISTOR SI NPN CHIP Q6003 2SC4081T106R TRANSISTOR SI NPN CHIP Q6005 2SB709A RS TRANSISTOR SI PNP CHIP Q6005 2SA1037K146R TRANSISTOR SI PNP CHIP Q6006 2SD1819ARS TRANSISTOR SI NPN CHIP Q6006 2SC4081T1...

Page 86: ...10QS03L DIODE SI D1009 EP10QY03 DIODE SI D1009 SFPJ 53 DIODE SI D1009 U1FWJ44N DIODE SI D1015 MA2180LA DIODE ZENER 18V D1015 1N4746A T DIODE ZENER 18V D1015 1N4746ARL DIODE ZENER 18V D1016 MA165 DIODE SI D1016 1SS119 DIODE SI D1016 1SS133T DIODE SI D1051 MA4110N H DIODE ZENER 11V D3006 MA4051 M DIODE ZENER 5 1V B C D F I D3006 04AZ5 1ZTPA7 DIODE ZENER 5 1V B C D F I D3007 MA4051 M DIODE ZENER 5 1V...

Page 87: ...30V MGF CHIP 1 10W 33 R2602 ERJ6GEYJ330V MGF CHIP 1 10W 33 R2603 ERJ6GEYJ330V MGF CHIP 1 10W 33 R2604 ERDS2TJ1R0 CARBON 1 4W 1 0 R2605 ERDS2TJ1R2 CARBON 1 4W 1 2 R2606 ERJ6GEYJ561V MGF CHIP 1 10W 560 R3001 ERJ6GEYJ750V MGF CHIP 1 10W 75 B C D F I R3002 ERDS2TJ561 CARBON 1 4W 560 R3003 ERJ6GEYJ101V MGF CHIP 1 10W 100 R3004 ERJ6GEYJ750V MGF CHIP 1 10W 75 R3006 ERDS2TJ152 CARBON 1 4W 1 5K R3007 ERDS2...

Page 88: ... 88 ...

Page 89: ...00 B C D F R4152 ERJ6GEYJ101V MGF CHIP 1 10W 100 B C D F R4153 ERJ6GEYJ104V MGF CHIP 1 10W 100K B C D F R4154 ERJ6GEYJ104V MGF CHIP 1 10W 100K B C D F R4155 ERJ6GEYJ104V MGF CHIP 1 10W 100K B C D F R4156 ERJ6GEYJ104V MGF CHIP 1 10W 100K B C D F R4157 ERJ6GEYJ104V MGF CHIP 1 10W 100K B C D F R4158 ERJ6GEYJ104V MGF CHIP 1 10W 100K B C D F R4161 ERJ6GEYJ223V MGF CHIP 1 10W 22K B C D F R4201 ERJ6GEYJ4...

Page 90: ...90 ...

Page 91: ...1 10W 100K R6071 ERJ6GEYJ102V MGF CHIP 1 10W 1K R6072 ERJ6GEYJ223V MGF CHIP 1 10W 22K R6073 ERJ6GEYJ473V MGF CHIP 1 10W 47K R6074 ERDS2TJ272 CARBON 1 4W 2 7K R6078 ERJ6GEYJ221V MGF CHIP 1 10W 220 R6079 ERJ6GEYJ221V MGF CHIP 1 10W 220 R6080 ERJ6GEYJ103V MGF CHIP 1 10W 10K R6081 ERJ6GEYJ104V MGF CHIP 1 10W 100K R6082 ERJ6GEYJ103V MGF CHIP 1 10W 10K R6085 ERJ6GEYJ223V MGF CHIP 1 10W 22K R6086 ERJ6GEY...

Page 92: ... 1 10W 10K A E R6515 ERJ6GEYJ103V MGF CHIP 1 10W 10K A E R6518 ERJ6GEYJ103V MGF CHIP 1 10W 10K A E R6519 ERJ6GEYJ103V MGF CHIP 1 10W 10K A E R6520 ERJ6GEYJ103V MGF CHIP 1 10W 10K A E R6521 ERJ6GEYJ103V MGF CHIP 1 10W 10K B C D F I R7001 ERJ6GEYJ473V MGF CHIP 1 10W 47K A B C D E F CAPACITORS Ref No Part No Part Name Description Remarks C1001 ECKATS103MF CERAMIC 250V 0 01UF C1002 ECKATS332ME8 CERAMI...

Page 93: ... 50V 0 01UF C2612 ECUV1E104ZFN C CHIP 25V 0 1UF C3001 ECA0JM471 ELECTROLYTIC 6 3V 470UF C3003 ECEA1CKA470 ELECTROLYTIC 16V 47UF C3004 ECUV1E104ZFN C CHIP 25V 0 1UF C3014 ECUV1E104ZFN C CHIP 25V 0 1UF C3015 ECUV1E104ZFN C CHIP 25V 0 1UF C3017 ECEA1HKA010 ELECTROLYTIC 50V 1UF C3018 ECUV1H181JCN C CHIP 50V 180PF C3019 ECUV1H560JCN C CHIP 50V 56PF C3021 ECUV1C224ZFN C CHIP 16V 0 22UF C3022 ECUV1E104ZF...

Page 94: ...104ZFN C CHIP 25V 0 1UF B C D E F I C3505 ECUV1E104ZFN C CHIP 25V 0 1UF C3506 ECUV1E104ZFN C CHIP 25V 0 1UF C3507 ECUV1E104ZFN C CHIP 25V 0 1UF C3508 ECUV1E104ZFN C CHIP 25V 0 1UF C3513 ECEA0JKA101 ELECTROLYTIC 6 3V 100UF C3514 ECEA0JKA101 ELECTROLYTIC 6 3V 100UF C3515 ECEA0JKA101 ELECTROLYTIC 6 3V 100UF C3516 ECUV1E104ZFN C CHIP 25V 0 1UF C3517 ECUV1E104ZFN C CHIP 25V 0 1UF C3518 ECUV1E104ZFN C C...

Page 95: ...95 ...

Page 96: ...229 ECUV1H103ZFN C CHIP 50V 0 01UF I C4230 ECEA0JKA470 ELECTROLYTIC 6 3V 47UF I C4451 ECUV1H103KBN C CHIP 50V 0 01UF I C4452 ECUV1H103KBN C CHIP 50V 0 01UF I C4455 ECUV1E104KBN C CHIP 25V 0 1UF I C4456 ECUV1E104KBN C CHIP 25V 0 1UF I C4459 ECEA0JKA101 ELECTROLYTIC 6 3V 100UF I C4901 ECEA1HKA010 ELECTROLYTIC 50V 1UF I C4902 ECEA1HKA2R2 ELECTROLYTIC 50V 2 2UF I C4903 ECEA1HKA3R3 ELECTROLYTIC 50V 3 3...

Page 97: ...5N005A LINE FILTER 0 5A 18MH L1001 LSLQ0287 LINE FILTER 0 5A 18MH L1001 VLQS0166 LINE FILTER 0 5A 18MH L1001 VLQS0167 LINE FILTER 0 5A 18MH L1001 VLQS0170 LINE FILTER 0 6A 18MH L1002 VLQSAB7D220K COIL 22UH L1003 VLQSAB7D100K COIL 10UH L1006 VLPS0083 FILTER L3001 ELESN470KA COIL 47UH L3014 VLQSH02R390K COIL 39UH L3016 ELESN330KA COIL 33UH L3018 ELESN470KA COIL 47UH L3101 ELESN101KA COIL 100UH L3505...

Page 98: ... SW6308 EVQ11A09K PUSH SWITCH A E F SW6309 EVQ11A09K PUSH SWITCH SW6310 EVQ11A09K PUSH SWITCH SW6311 EVQ11A09K PUSH SWITCH A E F SW6312 EVQ11A09K PUSH SWITCH A E F SW6313 EVQ11A09K PUSH SWITCH B C D I SW6314 EVQ11A09K PUSH SWITCH B C D I SW6315 EVQ11A09K PUSH SWITCH B C D I FUSE PROTECTOR Ref No Part No Part Name Description Remarks F1001 VSFS0003A16 FUSE 125V 1 6A F1001 VSFS0032B16 FUSE 125V 1 6A...

Page 99: ... I MISCELLANEOUS Ref No Part No Part Name Description Remarks 711 LSSZ0004 INFRARED RECEIVER UNIT 716 LSSZ0002 LED DISPLAY PANEL A E 716 LSSZ0001 LED DISPLAY PANEL B C D F I 741 LSJA0360 AC CORD W PLUG AC 120V 741 LSJA0358 AC CORD W PLUG AC 120V 741 LSJA0359 AC CORD W PLUG AC 120V 741 LSJA0361 AC CORD W PLUG AC 120V 743 ENG56717G1 TUNER UHF VHF NR E S D 771 EYF52BC FUSE HOLDER 12 3 2 MAIN C B A Mo...

Page 100: ... Q1002 2SD2259 TRANSISTOR SI NPN Q1051 2SD2159 T TRANSISTOR SI NPN Q1051 2SD1581 T TRANSISTOR SI NPN Q1052 2SD601A RS TRANSISTOR SI NPN CHIP Q1052 2SC2412K146R TRANSISTOR SI NPN CHIP Q1053 2SD235800A TRANSISTOR SI NPN CHIP Q1053 2SD2097TV2R TRANSISTOR SI NPN CHIP Q3001 2SB709A TRANSISTOR SI PNP CHIP Q3001 2SA1037K146R TRANSISTOR SI PNP CHIP Q3002 2SB709A RS TRANSISTOR SI PNP CHIP Q3002 2SA1037K146...

Page 101: ...2SD601A TRANSISTOR SI NPN CHIP L Q6509 2SC2412K146R TRANSISTOR SI NPN CHIP L Q6510 2SD601A TRANSISTOR SI NPN CHIP L Q6510 2SC2412K146R TRANSISTOR SI NPN CHIP L DIODES Ref No Part No Part Name Description Remarks D1001 DB105G DIODE SI D1001 S1NB60 4101 DIODE SI D1002 ERA18 04 DIODE SI D1002 EG01 DIODE SI D1003 ERA18 04 DIODE SI D1003 EG01 DIODE SI D1005 ERA18 04 DIODE SI D1005 EG01 DIODE SI D1006 E...

Page 102: ...65 DIODE SI D4209 1SS119 DIODE SI D4209 1SS133T DIODE SI D6001 VEKS5708 SENSOR LED UNIT D6003 MA165 DIODE SI D6003 1SS119 DIODE SI D6003 1SS133T DIODE SI D6325 MA165 DIODE SI D6325 1SS119 DIODE SI D6325 1SS133T DIODE SI D6326 MA165 DIODE SI D6326 1SS119 DIODE SI D6326 1SS133T DIODE SI RESISTORS 102 ...

Page 103: ...RJSD6D2431V MGF CHIP 1 10W 2 43K R1018 VRJSD6D2201V MGF CHIP 1 10W 2 2K R1019 ERDS2T0 CARBON 1 4W 0 R1025 ERDS2TJ300 CARBON 1 4W 30 R1026 ERDS2TJ300 CARBON 1 4W 30 R1051 ERJ6GEYJ122V MGF CHIP 1 10W 1 2K R1052 ERDS2TJ153 CARBON 1 4W 15K R1053 ERDS2TJ153 CARBON 1 4W 15K R1057 ERDS2TJ331 CARBON 1 4W 330 R1058 ERDS2TJ104 CARBON 1 4W 100K R3001 ERJ6GEYJ750V MGF CHIP 1 10W 75 H J M N R3002 ERDS2TJ561 CA...

Page 104: ...HIP 1 10W 33K R4103 ERJ6GEYJ153V MGF CHIP 1 10W 15K R4201 ERJ6GEYJ473V MGF CHIP 1 10W 47K R4202 ERJ6GEYJ473V MGF CHIP 1 10W 47K R4203 ERJ6GEYJ822V MGF CHIP 1 10W 8 2K R4204 ERJ6GEYJ822V MGF CHIP 1 10W 8 2K R4205 ERJ6GEYJ473V MGF CHIP 1 10W 47K H J M N R4206 ERJ6GEYJ473V MGF CHIP 1 10W 47K H J M N R4207 ERJ6GEYJ822V MGF CHIP 1 10W 8 2K H J M N R4208 ERJ6GEYJ822V MGF CHIP 1 10W 8 2K H J M N R4209 ER...

Page 105: ...105 ...

Page 106: ...V MGF CHIP 1 10W 10K R6085 ERJ6GEYJ223V MGF CHIP 1 10W 22K R6086 ERJ6GEYJ223V MGF CHIP 1 10W 22K R6087 ERJ6GEYJ223V MGF CHIP 1 10W 22K R6089 ERJ6GEYJ102V MGF CHIP 1 10W 1K R6109 ERJ6GEYJ183V MGF CHIP 1 10W 18K R6110 ERJ6GEYJ103V MGF CHIP 1 10W 10K R6115 ERJ6GEYJ102V MGF CHIP 1 10W 1K R6116 ERJ6GEYJ102V MGF CHIP 1 10W 1K R6202 ERJ6GEYJ274V MGF CHIP 1 10W 270K R6203 ERJ6GEYJ103V MGF CHIP 1 10W 10K R...

Page 107: ...250V 0 01UF C1002 ECKATS332ME8 CERAMIC 250V 3300PF C1002 ECKDNB332ME8 CERAMIC 125V 3300PF C1002 ECKETS332ME8 CERAMIC 125V 3300PF C1002 VCKST3G332MX CERAMIC 250V 3300PF C1002 VCKSU3D332MX CERAMIC 125V 3300PF C1003 ECKATS332ME8 CERAMIC 250V 3300PF C1003 ECKDNB332ME8 CERAMIC 125V 3300PF C1003 ECKETS332ME8 CERAMIC 125V 3300PF C1003 VCKST3G332MX CERAMIC 250V 3300PF C1003 VCKSU3D332MX CERAMIC 125V 3300P...

Page 108: ...KA2R2 ELECTROLYTIC 50V 2 2UF C3033 ECEA0JKA470 ELECTROLYTIC 6 3V 47UF C3034 ECUV1C224ZFN C CHIP 16V 0 22UF C3035 ECUV1H560JCN C CHIP 50V 56PF C3036 ECUV1E104ZFN C CHIP 25V 0 1UF C3037 ECEA10JKA220 ELECTROLYTIC 6 3V 22UF C3038 ECEA1HKA2R2 ELECTROLYTIC 50V 2 2UF H J M N C3039 ECUV1H822KBN C CHIP 50V 8200PF C3043 ECUV1H103ZFN C CHIP 50V 0 01UF C3044 ECEA1HKAR47 ELECTROLYTIC 50V 0 47UF C3045 ECUV1C474...

Page 109: ...109 ...

Page 110: ...27UF C4011 ECUV1H822KBN C CHIP 50V 8200PF C4012 ECEA1HKA010 ELECTROLYTIC 50V 1UF C4013 ECEA1CKA100 ELECTROLYTIC 16V 10UF C4014 ECEA1HKA010 ELECTROLYTIC 50V 1UF C4017 ECUV1H103KBN C CHIP 50V 0 01UF C4102 ECQB1562JF POLYESTER 100V 5600PF C4103 ECUV1H103KBN C CHIP 50V 0 01UF C4104 ECUV1H103KBN C CHIP 50V 0 01UF C4106 ECEA1CKA220 ELECTROLYTIC 16V 22UF C4201 ECEA1EKA4R7 ELECTROLYTIC 25V 4 7UF C4202 ECE...

Page 111: ... 15PF C6006 ECUV1H100CCN C CHIP 50V 10PF C6019 ECEA1CKA100 ELECTROLYTIC 16V 10UF C6021 ECUV1H103ZFN C CHIP 50V 0 01UF C6026 ECUV1H102KBN C CHIP 50V 1000PF C6027 ECUV1E104ZFN C CHIP 25V 0 1UF C6033 ECUV1H104ZFN C CHIP 50V 0 1UF C6201 ECUV1H332KBN C CHIP 50V 3300PF C6203 ECUV1H103KBN C CHIP 50V 0 01UF C6204 ECUV1H103KBN C CHIP 50V 0 01UF C6208 ECUV1C104KBN C CHIP 16V 0 1UF C6214 ECUV1H102KBN C CHIP ...

Page 112: ... 100UH L4001 ELELN153KA COIL 15MH L4002 ELESN101KA COIL 100UH L4101 ELESN471KA COIL 470UH L4201 ELESN101KA COIL 100UH L4451 ELESN101KA COIL 100UH L6002 ELEXT101KE04 COIL 100UH L6301 ELESN101KA COIL 100UH G H J K M N L6302 ELESN470KA COIL 47UH L6303 ERDS2TJ3R3 CARBON 1 4W 3 3 L7003 VLQSH02R101K COIL 100UH CRYSTAL OSCILLATOR Ref No Part No Part Name Description Remarks X3010 VSXS0195 CRYSTAL OSCILLA...

Page 113: ...VQ11A09K PUSH SWITCH M N FUSE PROTECTOR Ref No Part No Part Name Description Remarks F1001 VSFS0003A16 FUSE 125V 1 6A F1001 VSFS0032B16 FUSE 125V 1 6A F1001 XBA1C16NU100 FUSE 125V 1 6A PR1001 UNH000600A IC PROTECTOR 1 5A PR1001 ICP N38 TP1 IC PROTECTOR 1 5A PR1001 LSSF009A25E IC PROTECTOR 1 5A PR1002 UNH000600A IC PROTECTOR 1 5A PR1002 ICP N38 TP1 IC PROTECTOR 1 5A PR1002 LSSF009A25E IC PROTECTOR ...

Page 114: ...501 ERJ8GEYJ1R0Z MGF CHIP 1 8W 1 R2502 ERJ8GEYJ1R0Z MGF CHIP 1 8W 1 R2505 ERJ6GEYJ222V MGF CHIP 1 10W 2 2K CAPACITORS Ref No Part No Part Name Description Remarks C2504 ECUV1H103ZFN C CHIP 50V 0 01UF C2506 ECUV1H103ZFN C CHIP 50V 0 01UF C2507 ECUV1H103ZFN C CHIP 50V 0 01UF C2508 ECUV1E104KBN C CHIP 25V 0 1UF C2509 ECUV1E104KBN C CHIP 25V 0 1UF C2510 ECUV1E104KBN C CHIP 25V 0 1UF C2511 ECUV1E104ZFN...

Page 115: ...7 2 1 8 0 4 9 0 1 10 0 4 11 0 1 12 2 1 13 2 7 14 0 1 15 0 4 16 2 4 17 0 8 18 2 6 19 0 1 20 0 21 0 22 0 23 0 24 2 2 25 5 1 26 0 1 27 0 1 28 3 8 29 1 6 30 0 8 31 0 2 32 2 6 33 2 6 34 0 8 35 2 5 36 0 37 1 9 38 0 39 0 1 40 5 0 41 0 42 4 9 43 4 9 44 2 4 45 5 2 46 3 7 47 1 8 48 2 3 49 3 6 50 3 5 51 5 1 52 3 5 53 5 9 54 2 4 55 0 56 0 4 57 5 9 58 12 0 59 6 0 60 0 8 61 2 6 62 2 5 63 2 8 64 0 6 Q1001 E 0 3 ...

Page 116: ...2 0 5 1 93 0 1 5 1 94 5 1 5 1 95 0 0 1 96 5 0 0 1 97 0 0 98 2 6 0 2 99 5 2 0 100 4 4 4 4 IC6002 1 0 0 2 5 1 4 9 3 1 2 1 2 4 0 0 IC6003 1 0 0 2 5 1 5 1 3 2 4 2 4 4 1 2 1 2 IC6004 1 2 3 IC6005 1 0 0 2 0 0 3 0 0 4 0 0 5 4 8 4 8 6 4 8 4 8 7 0 0 8 5 3 5 3 Q6001 E 0 0 C 5 2 5 2 B 0 0 Q6002 E 11 1 12 0 C 11 8 0 B 12 0 12 0 Q6003 E 5 2 0 C 11 1 12 0 B 4 5 0 Q6005 E 4 4 4 4 C 5 2 5 2 B 5 3 5 3 Q6006 E 0 7 ...

Page 117: ... connectors Example The connections between C B A s are shown below POWER SUPPLY C B A MAIN C B A The Number of pins of the Connector Connector No on Main C B A P1503 P3004 10 Pins Ref No of the connection parts such as lead cable flexible cable which is supplied as a replacement parts 244 3 Parts enclosed in dashed lines marked Z are not used in any models included in this service manual Example ...

Page 118: ...ns MAIN C B A P6201 G H I J K L M N VIDEO OUT VIDEO IN 1 AUDIO OUT L CH AUDIO IN 1 L CH P4001 FULL ERASE HEAD UNIT INFRARED RECEIVER UNIT UHF VHF TUNER TV DEMODULATOR UNIT UHF VHF IN UHF VHF OUT 9 Pins AUDIO OUT R CH AUDIO IN 1 R CH PIN 2 Pins 23 Pins PIN PIN AC CORD 1 2 AC120V P3501 G H I J K L M N B C D E F A 6 Pins 3 Pins P4002 AUDIO CONTROL HEAD UNIT P4092 6 Pins VIDEO IN 2 AUDIO IN 2 L CH B C...

Page 119: ... CONTROL LOGIC CAPSTAN MOTOR COIL DRIVE UPPER DRIVE CONTROL GND LOWER DRIVE CONTROL DIRECTION DETECT 12 11 10 9 8 7 6 5 3 1 2 4 2 A VJBS2007 G B 3 H C 4 D 5 E 1 A F HALL TRANSISTOR HALL TRANSISTOR HALL TRANSISTOR CAPSTAN SERVO 1 14 12 13 11 10 15 16 17 18 19 20 21 22 23 24 2 3 4 5 6 7 8 9 25 26 27 28 3 4 1 2 GND CAP FG CAP DIRECTION CAP FG CAP TORQ LIM LD M FWD H V REF LD M REV H CAP ERROR UNSW 5V...

Page 120: ...RIAL DATA SERIAL DATA1 SERIAL CLOCK1 TV L VCR H IR DATA 3 MODE SELECT SWITCH POSITION C POSITION B SW6002 LSSS0012 2 1 4 POSITION A ENV DET HEAD AMP SW ROTARY SW SCAN2 SCAN1 PLAY LED ON H KEY DATA1 KEY DATA2 KEY DATA3 KEY DATA4 KEY DATA5 SW 14V ON H 2500H L SW 22V ON H POWER ON L MTS MODE AFC ENV VOLTAGE P6201 12 11 10 9 8 7 6 5 4 3 2 1 CTL HEAD GND CTL HEAD GND GND CAP DIRECTION CTL CAP FG CAP TO...

Page 121: ...4700 R4014 6800 R4012 2200 R4015 68U L3202 47U L3018 0 1 C3022 R3011 L3013 C3020 56P C3019 0 1 C3036 33U L3016 100U L3101 100 6 3V C3109 IC4151 UPD4053BG AUDIO R AUDIO L IN IN OUT OUT VIDEO OUT IN JK3001 330 R4013 1000P C7010 R3874 L4151 R3875 470U L4101 33K R4102 R4104 R4101 15K R4103 0 01 C4104 K 9 D 10 I REC VIDEO SIGNAL PB VIDEO SIGNAL CYLINDER SERVO J 6 8 B H VJBS6070 C O 3 G A 1 M PB AUDIO S...

Page 122: ...S COLOR KILLER SW W D CLIP CLAMP LPF DELAY OFF ON EE VV EE VV DOC SW CLAMP VV EE VV EE MAIN DE EMPHASIS Y C MIX GCA DET CLAMP LPF GCA MUTE Y C MIX CLAMP ARTFICIAL V H SYNC MIX EE VV ATT ATT ATT TUNER LINE 1 LINE 2 AGC DET SYNC SEPARATION I2C BUS VXO X2 BPF 2FSC FSC ATT COMPONENT COMPOSITE Busrst up down CNR CHROMA PHASE COMPENSATOR COMB AMP 4 8MHz TRAP 3 58MHz BPF COMPONENT COMPOSITE REC PB VCC LP...

Page 123: ... VJBS6070 2 K PNP TRANSISTORS IS 2SB709A NPN TRANSISTORS IS 2SD601A AND A 6 B H 5 E 4 G J SWITCHES IS EVQ11A09K F I UNLESS OTHERWISE SPECIFIED D C 1 8 L 7 A M 16 IC6301 18 DIGIT 1 20 PANEL CONTROL 19 10 17 6 SEGMENT J GND SERIAL CLOCK 1 9 11 21 SERIAL DATA 1 7 4 1 PT6957E 5 22 23 12 INDICATOR 8 2 3 15 24 13 14 28 27 26 25 8 DISPLAY TUBE UNIT LSSZ0001 2 13 7 5 1 11 14 12 U6301 3 10 6 4 9 15 9 14 15...

Page 124: ... TP4201 TP4202 TP4204 TP4203 TP4208 TP4205 TP4206 TP4207 IC4201 AN3663FBP V C4915 PB AUDIO SIGNAL REC AUDIO SIGNAL Hi Fi AUDIO MTS SAP PROCESS 43 30 60 38 63 29 33 28 5 36 32 21 16 2 57 61 34 35 51 40 59 39 7 27 45 47 25 11 14 18 54 6 42 44 20 10 24 1 49 9 4 12 22 52 62 15 58 19 17 41 56 64 48 31 46 23 13 3 53 26 50 37 55 8 AUDIO R CH AUDIO L CH RF AUDIO MTS MODE SW 5V VIDEO AUDIO MUTE H I2C SERIA...

Page 125: ...J1008 J1005 PR1001 PR1080 PR1002 IC1001 1 2 3 4 R A K AC CORD 1 2 HOT SWITCHING CONTROL SWITCHING ERROR VOLTAGE DET SHUNT REGULATOR SWITCHING POWER ON 12V SWITCHING POWER ON OFF SWITCHING 14V REGULATOR SWITCHING POWER ON 5V HOT CIRCUIT BE CAREFUL AND USE AN ISOLATION TRANSFORMER WHEN SERVICING C G 1 B E 3 6 5 4 I F L D J A H 2 K 5 8 3 13 11 14 7 9 12 1 10 6 LED 5V SW 5V VIDEO UNSW 5V SYS CTL POWER...

Page 126: ... SENSOR LED IC6301 CS L CH3 H CH4 L AUDIO MUTE H AUDIO DEFEAT H V LOCK PULSE INPUT SELECT2 IC6001 RESET SERIAL DATA SERIAL CLOCK VCC MEMORY GND GND 1 4W 1 4W SWITCHING POWER ON ON IC6001 RESET SWITCHING POWER ON ON IC6001 RESET CYLINDER MOTOR DRIVE SUPPLY PHOTO TR TAKEUP PHOTO TR TAKEUP REEL SENSOR 1 4W SUPPLY REEL SENSOR P6202 MAIN COIL3 8 7 6 5 3 4 1 2 MAIN COIL2 MAIN COIL1 HE GND VH UNSW 14V HE...

Page 127: ...101 100 6 3V C3109 IC4151 BU4053BCF CD4053BCM AUDIO R AUDIO L IN IN OUT OUT VIDEO OUT IN JK3001 330 R4013 1000P C7010 R3874 R3875 R3005 470U L4101 33K R4102 R4104 R4101 15K R4103 0 01 C4104 K 9 D 10 I REC VIDEO SIGNAL PB VIDEO SIGNAL CYLINDER SERVO J 6 8 B H VJBS6071 C O 3 G A 1 M PB AUDIO SIGNAL 5 4 7 N E F 2 REC AUDIO SIGNAL L CLOCK VDD AMP AMP 8 1 DRIVER 5 7 CCD 1H DELAY 6 CCD 1H DELAY CCD 1H D...

Page 128: ...S COLOR KILLER SW W D CLIP CLAMP LPF DELAY OFF ON EE VV EE VV DOC SW CLAMP VV EE VV EE MAIN DE EMPHASIS Y C MIX GCA DET CLAMP LPF GCA MUTE Y C MIX CLAMP ARTFICIAL V H SYNC MIX EE VV ATT ATT ATT TUNER LINE 1 LINE 2 AGC DET SYNC SEPARATION I2C BUS VXO X2 BPF 2FSC FSC ATT COMPONENT COMPOSITE Busrst up down CNR CHROMA PHASE COMPENSATOR COMB AMP 4 8MHz TRAP 3 58MHz BPF COMPONENT COMPOSITE REC PB VCC LP...

Page 129: ... REC AUDIO SIGNAL 3 VJBS6071 2 K A 6 B H 5 E 4 G J F I D C 1 8 L 7 M 16 IC6301 18 DIGIT 1 20 PANEL CONTROL 19 10 17 6 SEGMENT J GND SERIAL CLOCK 1 9 11 21 SERIAL DATA 1 7 4 1 PT6957E 5 22 23 12 INDICATOR 8 2 3 15 24 13 14 28 27 26 25 8 DISPLAY TUBE UNIT LSSZ0001 2 13 7 5 1 11 14 12 U6301 3 10 6 4 9 15 9 14 15 8 12 10 11 U6301 13 LSSZ0002 INFRARED RECEIVER UNIT OUT 1 3 GND VCC 2 LSSZ0004 U6302 SWIT...

Page 130: ... J4201 TP4201 TP4202 TP4204 TP4203 TP4208 TP4205 TP4206 TP4207 IC4201 AN3663FBP V C4915 PB AUDIO SIGNAL REC AUDIO SIGNAL Hi Fi AUDIO MTS SAP PROCESS 43 30 60 38 63 29 33 28 5 36 32 21 16 2 57 61 34 35 51 40 59 39 7 27 45 47 25 11 14 18 54 6 42 44 20 10 24 1 49 9 4 12 22 52 62 15 58 19 17 41 56 64 48 31 46 23 13 3 53 26 50 37 55 8 AUDIO R CH AUDIO L CH RF AUDIO MTS MODE SW 5V VIDEO AUDIO MUTE H I2C...

Page 131: ...09 TP1007 T1001 VTPS0042 1 ETS28AD2J3NC LSTP0105 VTPS0041 1 IC1002 TA76431AS TA76431ASTP6 1 2 3 J1004 J1007 J1006 J1009 J1002 J1008 J1005 UNH000600A ICP N38 TP1 LSSF009A25E UNH000600A ICP N38 TP1 LSSF009A25E PR1001 PR1080 PR1002 0N3131 R KT PS2501 1 X 0N3131 S KT IC1001 1 2 3 4 R A K AC CORD 1 2 HOT SWITCHING CONTROL SWITCHING ERROR VOLTAGE DET SHUNT REGULATOR SWITCHING POWER ON 12V SWITCHING POWE...

Page 132: ...F SCHEMATIC SECTION NOTE WHEN INSTALLING THE IC2501 AN3846SC OR CAPSTAN STATOR C B A BE SURE TO APPLY SILICON GREASE VFK1301 REFER TO CAPSTAN STATOR C B A OF MACHANISM SECTION IN DISASSEMBLY ASSEMBLY PROCEDURES NOTE CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED PLEASE REFER TO THE SCHEMATIC DIAGRAM AND PARTS LIST FOR PROPER PARTS CONTENT NOTE THE FOLLOWING PARTS ON THE CAPSTAN STATOR...

Page 133: ...4022 C4215 C4214 IC4201 C4912 C4911 C4202 D4202 C4904 TP4208 TP3009 R3041 TP4201 C4226 R4214 R3004 D3005 D3003 D3002 D4204 D3001 C4905 C4213 C7024 L7002 U7001 UHF VHFTUNER TV DEMODULATORUNIT JK3001 R4013 R7004 R4224 R4225 J4001 C4225 R4213 R4218 Q4007 Q4005 Q4006 Q4004 R4209 TP4202 R4210 C4921 J4201 R4901 R4902 C4913 C4916 C4918 C4919 C4917 C4914 R4903 C4920 C4901 C4210 L4902 TP4206 L3507 R4453 R4...

Page 134: ...C3820 TP6004 C6022 TP4011 TP6002 C6011 TP6304 R1001 C1027 C1001 C1025 L1001 F1001 C1003 C1002 C1004 D1001 1 2 4 3 C1005 R1007 C1030 TP1001 D1002 R1004 C1006 Q1001 Q1002 IC1001 IC1002 Q6010 L1006 R1005 B B C C E E 1 6 7 14 D1003 D1016 R1003 R1026 R1025 R1008 C1009 4 3 T1001 J1002 3 1 2 1 C1011 R1010 D1005 D1015 D1006 D1080 C1016 C1080 R1019 C1019 D1081 C1012 L1002 PR1080 R1080 E E C C B B C E B D10...

Page 135: ... 32 TIMER LED ON H 8 REW LED ON H 9 FF LED ON H 92 PLAY LED ON H 35 REC LED ON H OUT IN SCAN 1 PIN 93 SCAN 2 PIN 94 DATA 8 PIN40 DATA 9 PIN 41 DATA 10 PIN 43 DATA 11 PIN 44 DATA 12 PIN 45 DATA 13 PIN 46 PVQ V201 VHQ 401 VHQ 41M VHQ 451 OUT IN SCAN 1 PIN 93 SCAN 2 PIN 94 DATA 8 PIN40 DATA 9 PIN 41 DATA 10 PIN 43 DATA 11 PIN 44 DATA 12 PIN 45 DATA 13 PIN 46 PV V4021 PV V4021 K PV V4031S PV V4511 PV ...

Page 136: ...D L SCHMIT AMP COUNT DOWN NEGATIVE PB CTL SLICER SELECT PG SELECT PWM MIX CAPSTAN SPEED COMPENSATOR CYLINDER CAPSTAN PHASE COMPENSATOR MIX CYLINDER SPEED COMPENSATOR PWM REC CTL TR MM GENERATOR HEAD AMP CONTROL ROTARY SIGNAL GENERATOR HEAD AMP SELECT SIGNAL GENERATOR PG FG SEPARATOR FORCED ACCELERATION HEAD SW SIGNAL GENERATOR SLOW STILL CONTROL TP6202 INTEGRATION INTEGRATION CAP TORQUE LIMIT TO I...

Page 137: ... TO FROM IC3001 88 I2 C SERIAL DATA TO FROM IC4201 43 I2 C SERIAL DATA TO IC4201 42 I2 C SERIAL CLOCK WITH Hi Fi AUDIO TO IC3001 87 I2 C SERIAL CLOCK I2 C SERIAL DATA I2 C SERIAL CLOCK LOADING MOTOR FORWARD H LOADING MOTOR REVERSE H IC6001 SYSTEM CONTROL MICROCONTROLLER MODE SW POSITION C MODE SW POSITION B MODE SW POSITION A IR DATA VDD 5V U6302 IR RECEIVER FF REW BRAKE PLAY CUE SLOW STILL REVIEW...

Page 138: ...AL AUDIO FROM IC6001 27 Hi Fi HEAD SW PULSE FROM IC6001 59 AUDIO MUTE H TO IC3001 69 NORMAL AUDIO DRIVE Q4004 AUDIO MUTE H AUDIO IN1 R CH AUDIO IN1 L CH AUDIO OUT L CH AUDIO OUT R CH MTS SAP SIGNAL PROCESS SIF AUDIO 4 5MHz BPF FL4901 UHF VHFTUNER TV DEMODULATOR UNIT RF MAIN C B A CYLINDER UNIT IC4201 Hi Fi AUDIO SIGNAL PROCESS AGC DET L R Hi Fi AUDIO L HEAD Hi Fi AUDIO R HEAD AGC AMP REC AMP TP420...

Page 139: ...2 WITHOUT Hi Fi AUDIO R4018 C4018 TO IC4201 62 NORMAL AUDIO FROM IC4201 61 NORMAL AUDIO WITH Hi Fi AUDIO WITHOUT Hi Fi AUDIO J4001 R4013 TO IC3801 3 AUDIO WITH ADVANCE WITHOUT FRONT A V JACK LINE1 LINE2 IC4151 FROM IC6001 19 INPUT SELECT 2 WITH FRONT A V JACK WITHOUT Hi Fi AUDIO 5V 20 1 67 69 57 61 IC3001 65 71 54 55 88 87 2 I C CONTROL P4002 2 P4002 1 P4002 4 P4002 3 P4092 6 P4092 5 P4092 1 P4092...

Page 140: ...01 X3001 3 58MHz IC6001 FROM IC6001 24 V LOCK PULSE Q3001 Q3203 TO IC6001 78 ENVELOPE VOLTAGE FROM IC6001 98 ROTARY SW FROM IC6001 23 HEAD SW PULSE VIDEO LP SLP R HEAD VIDEO LP SLP L HEAD VIDEO SP L HEAD VIDEO SP R HEAD 47 49 IC3101 CCD 1H DELAY IC3101 1 8 19 5 IC3202 CNR FROM IC6001 18 I2 C SERIAL CLOCK TO FROM IC6001 17 I2 C SERIAL DATA FROM IC6001 23 HEAD SW PULSE FROM IC6001 99 HEAD AMP SW BUF...

Page 141: ...ING CIRCUIT RECTIFIER SMOOTHING CIRCUIT RECTIFIER SMOOTHING CIRCUIT PR1001 D1015 OVERVOLTAGE PROTECTOR D1008 D1006 D1005 C1011 C1012 C1013 C1016 C1017 PR1002 12V REGULATOR Q1051 TP1058 Q1052 TP1002 TP1081 TP1003 D1017 D1082 TP1005 RECTIFIER SMOOTHING CIRCUIT D1009 C1019 TP1006 TP1007 5V REGULATOR TP1050 D1016 Q1053 MAIN C B A RECTIFIER SMOOTHING CIRCUIT D1080 PR1080 Q1080 LED 5V PR1003 J1001 TP108...

Page 142: ...3001 0 2V 0 5ms1 REC PB WF12 52 0mVp p V1 PIN 55 OF IC3001 20mV 0 5ms1 PB WF13 V1 5 2Vp p PIN 93 OF IC3001 2V 2ms 1 CUE REV SLOW STILL WF14 0 24Vp p V1 PIN 31 OF IC3001 0 1V 5ms 2 REC WF15 0 32Vp p V1 PIN 31 OF IC3001 0 2V 5ms 2 PB SP WF15 2 00Vp p V1 TP3001 1V 20µs1 REC PB WF16 240mVp p V1 CH1 TP3002 0 1V 5ms 2 REC CH2 TP6205 5V CH1 WF17 CH2 WF21 240mVp p V1 CH1 TP3002 0 1V 5ms 2 PB SP CH2 TP6205...

Page 143: ...2µs1 POWER ON WF28 V1 PIN 8 OF T1001 10V 2µs1 POWER ON 40Vp p WF29 15 5Vp p V1 PIN 11 OF T1001 5V 2µs1 POWER ON WF30 0 23Vp p V1 BASE OF Q1002 0 1V 2µs1 POWER ON WF31 5 00Vp p V1 PIN 27 OF IC4201 2V 10ms1 PB WF32 0 44Vp p V1 PIN 53 OF IC4201 0 2V 0 5ms1 REC PB WF33 0 44Vp p V1 PIN 57 OF IC4201 0 2V 0 5ms1 REC PB WF34 0 44Vp p V1 PIN 59 OF IC4201 0 2V 0 5ms1 REC PB WF35 48mVp p V1 PIN 9 OF IC4201 2...

Page 144: ...is manual together with the Service Manual for Order No MKE0101000C1 MKE0101001C1 MKE0101002C1 MKE0101003C1 2001 Matsushita Kotobuki Electronics Industries LTD All rights reserved Unauthorized copying and distribution is a violation of law 1 Main circuit board Modification Following modification addition of filter has been introduced to Main C B A on running change basis to filter the excessively ...

Page 145: ...1 2 Schematic Diagram Circuit Board Layout 2 ...

Page 146: ...2 C6006 C3302 C3308 J1009 R3305 R6029 R6005 R6054 R6103 R6055 R6060 C C2 C2 C2 C R6110 R6230 C6222 C6014 C6216 C6223 C6001 TP6210 R6051 R6048 6 R6076 R6059 TP6104 TP6208 C6031 C3303 R3301 TP6101 TP6107 R6090 R3302 TP6014 TP6021 R6028 R6030 R6061 R6065 R6071 R6068 TP6020 TP6204 TP6211 C6217 C6214 C6210 R6231 C6213 TP6203 R6224 C6208 C6221 IC6001 C6228 R6228 C6230 TP6206 R6081 R6089 C4104 C4015 C401...

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