Philips 14PV385, 14PV135 Service Manual

TV-VCR Combination

Service Service

14PV135 14PV235 14PV385

/01/07/58

/01/07/39

Service

Service Manual

Contents

Chapter

Adjustment Procedure

Sec. 1:

Schematic Diagrams and CBA's Exploded Views Mechanical and Electrical Parts Lists

Survey of versions:

/01 PAL-BG, EURO /07 PAL I, UK/IRELAND /39 PAL/SECAM-BG+PAL/SECAM-L/L',FRANCE /58 PAL-BG/DK+SECAM-BG/DK,EAST-EURO

Sec. 2:

Standard Maintenance Mechanism Alignment Procedures Disassembly / Assembly of Mechanism Deck Exploded Views

For technical data reference is made to the Service Manual of 21PV385/01/07/39/58 3103 785 22330 (VN: 1B). The present manual states only the differences.

Safety regulations require that the set be restored to its original condition and that parts which are identical with those specified be used.

Published by BK 2004 Video Service Department Printed in the Netherlands c

PREPARATION FOR SERVICING

[ 14PV135/ (01, 07, 58), 14PV235/ (01, 07, 58), 14PV385/ (01, 07, 39) ]

How to Enter the Service Mode

Caution: 1

1. Optical sensors system are used for Tape Start and End Sensor on this equipment. Read this page carefully and prepare as described on this page before starting to service; otherwise, the unit may operate unexpectedly.

Preparing: 1

1. Cover Q202 (START SENSOR) and Q201 (END SENSOR) with Insulation Tape or enter the service mode to activate Sensor Inhibition automatically.

Note: Avoid playing, rewinding or fast forwarding the tape to its beginning or end, because both Tape End Sensors are not active.

How to Enter the Service Mode

1. Turn the power on. (Use main power on the TV unit.)

2. Press [STANDBY/ON], [2], [7], [1], and [MUTE] buttons on the remote control unit in that order within 5 seconds. When entering the service mode, “4” will display at corners of the screen.

3. During the service mode, electrical adjustment mode can be selected by remote control key.

Details are as follows.

Key Adjustment Mode

Picture adjustment mode: Press the MENU button to change from BRT (Bright), *CNT (Contrast), *COL

(Color), *TNT(Tint) and SHP(SHARP). Press P+/P- key to adjust Initial Value. *Marked items are not necessary to adjust normally.

SECAM Black Level adjustment mode: See adjustment instructions page 1-6-13. Cut-Off adjustment mode: See adjustment instructions page 1-6-14. White Balance adjustment mode: See adjustment instructions page 1-6-15.

C-Trap adjustment mode: See adjustment instructions page 1-6-12.

DSPC adjustment mode: See adjustment instructions page 1-6-12.

H adjustment mode: See adjustment instructions page 1-6-11.

Head switching point adjustment mode (Auto adjustment): See adjustment instructions page 1-6-17.

Auto record mode: Perform recording (15 Sec.)-->Stop-->Rewind (Zero return) automatically.

Key Adjustment Mode

Head switching point adjustment mode

6 No need to use.

7 No need to use.

Caution: 2

1. The deck mechanism assembly is mounted on the Main CBA directly, and SW211 (REC-SAFETY SW) is mounted on the Main CBA. When deck mechanism assembly is removed from the Main CBA due to servicing, this switch can not be operated automatically.

(Manual adjustment): See adjustment instructions page 1-6-17.

H. Shift adjustment mode: See adjustment instructions page 1-6-14.

V.size/V. shift adjustment: See adjustment instructions page 1-6-13.

Preparing: 2

1. To eject the tape, press the STOP/EJECT button on the unit (or Remote Control).

2. When you want to record during the Service mode, press the Rec button while depressing SW211 (REC-SAFETY SW) on the Main CBA.

Q201

(END SENSOR)

SW211

(REC-SAFETY SW)

Q202

(START SENSOR)

MAIN CBA

1-3-2 T6450PFS

OPERATING CONTROLS AND FUNCTIONS

[ 14PV135/ (01, 07, 58), 14PV235/ (01, 07, 58) ]

The remote control

REC STANDBY/ON

1 2 3

4 5 6

7 8 9

SLEEP SYSTEM

PLAYSTATUS/EXIT CLEAR

REW FWD

STOP

PROGVOL

STILL

MUTE

REC

One-Touch Recording.

STANDBY/ON

0..9

SLEEP

SYSTEM

To change Video (colour) system. (14PV135/58 / 14PV235/58)

STATUS/EXIT

menus.

CLEAR

time counter in the playback, recording or stop mode.

STILL

forwarding and fast rewinding)

FWD

During playback, press to fast forward the tape while the picture stays on the screen. To store or confirm entry in the menu. Press to adjust the controls of TVCR menu.

REW

playback, press to rewind the tape while the picture stays on the screen.To return the cursor in the menu. Press to adjust the controls of TVCR menu.

PLAY

STOP

VOL

the tracking.

MUTE

Red button/ Green button/ Yellow button/ Blue button/ Doesn’t work on these models.

To record the TV channel selected at this moment or press repeatedly to start a

To switch off or on, interrupt menu function.

Press to select channels at TVCR.

To select the switch-off time in 30 minutes intervals.

Doesn’t work on this models. (14PV135/01, 07 / 14PV235/01, 07)

To access or remove the TVCR’s on-screen status display. To exit on-screen

To delete last entry. To clear a programmed recording (TIMER). To reset the elapsed

To stop the tape and play back a picture step by step. (except for during fast

To call up main menu of TVCR.

When tape playback is stopped, press to fast forward the tape at high speed.

When tape playback is stopped, press to rewind the tape at high speed. During

To play back a tape, select an item in the menu of TVCR.

To stop the tape, select an item in the menu of TVCR.

–

VOL

To eliminate the TV’s sound. Press again to restore the volume.

To adjust the volume.

PROG P–PROG P

To select the programme number. During playback, press to adjust

<14PV235>

: To switch Teletext on or off, or transparent mode.

: Enlarge font

: Select Teletext sub-page

: Recall hidden information

: Stop page changes

: Go back to start page.

1-4-3 T6450IB

Front of your TVCR

VIDEO AUDIO

STANDBY/ ON

STANDBY/ON: To switch off or on, interrupt menu function.

Volume: In connection with the button to adjust the volume.

P+

tracking. To remove vertical jitter in a Still picture.

ejected from the machine.

White socket / input socket: To connect a camcorder or a video game machine (audio).

Yellow socket / input socket: To connect a camcorder or a video game machine (video).

Small socket / socket for headphones: To connect headphones.

Programme number: To select the programme number. During playback, press to adjust the

P-

Record: To record the programme currently selected.

Playback: To play a recorded cassette.

Pause/ Stop, eject cassette: To stop the tape; If this key is depressed while in STOP, the cassette is then

When tape playback is stopped, press to fast forward the tape at hight speed.

When tape playback is stoped, press to rewind the tape at hight speed.

Sockets on the front:

AUDIO

VIDEO

–+

Back of your TVCR

Aerial input socket: To connect the aerial cable.

EXT1/AV

Caution: If you switch off using the power switch, TIMER-recordings are impossible!

Scart socket :To connect a satellite receiver, decoder, video recorder, etc

Power switch: To switch the TV-Video Combi off.

The control lights on the front of machine

STANDBY Standby light: lights up when the TV-Video Combi has been switched on by means of the main

switch.

RECORD

FAST blink: RECORDING PAUSE; TIMER RECORDING NOT STAND-BY.

SLOW blink: TIMER RECORDING is stored in a timer block.

Recording light:

lights up during recording.

1-4-4 T6450IB

[ 14PV385/ (01, 07, 39) ]

The remote control

REC STANDBY/ON

1 2 3

4 5 6

7 8 9

SLEEP SYSTEM

PLAYSTATUS/EXIT CLEAR

REW FWD

STOP

PROGVOL

STILL

SMART PICTURESV/V+

MUTE

INDEX

REC

To record the TV channel selected at this moment or press repeatedly to start a

One-Touch Recording.

STANDBY/ON

0..9

Press to select channels at TVCR.

SLEEP

To select the switch-off time in 30 minutes intervals.

SYSTEM

To switch off or on, interrupt menu function.

Doesn’t work on this model. (14PV385/01, 07)

To change the Video (colour) system. (14PV385/39)

STATUS/EXIT

To access or remove the TVCR’s on-screen status display. To exit on-screen

menus.

CLEAR

To delete last entry. To clear a programmed recording (TIMER). To reset the elapsed

time counter in the playback, recording or stop mode.

STILL

To stop the tape and play back a picture step by step. (except for during fast

forwarding and fast rewinding)

To call up main menu of TVCR.

FWD

When tape playback is stopped, press to fast forward the tape at high speed.

During playback, press to fast forward the tape while the picture stays on the screen. To store or confirm entry in the menu. Press to adjust the controls of TVCR menu.

REW

When tape playback is stopped, press to rewind the tape at high speed. During

playback, press to rewind the tape while the picture stays on the screen.To return the cursor in the menu. Press to adjust the controls of TVCR menu.

PLAY

STOP

VOL

To play back a tape, select an item in the menu of TVCR.

To stop the tape, select an item in the menu of TVCR.

VOL

PROG P–PROG P

–

To adjust the volume.

To select the programme number. During playback, press to adjust

the tracking.

SV/V+

Red button / To programme recordings with S

HOW VIEW / VIDEO Plus+

or to alter /

clear programmed TIMER recordings. Select Teletext function when you are in Teletext mode.

SMART PICTURE

when you are in

Green button / To call up preset picture settings.Select Teletext function

Teletext mode.

Yellow button/ Select Teletext function when you are in Teletext mode.

INDEX

Blue button / Search for the previous/next recording code on the tape in

combination with /

REW

Teletext mode.

MUTE

To eliminate the TV’s sound. Press again to restore the volume.

FWD

Select Teletext function when you are in

: Switch Teletext on or off, or transparent mode

: Enlarge font

: Select Teletext sub-page

: Recall hidden information

: Stop page changes

: Go back to start page

1-4-5 T6450IB

Front of your TVCR

VIDEO AUDIO

STANDBY/ON

STANDBY/ON: To switch off or on, interrupt menu function.

Volume: In connection with the button to adjust the volume.

Programme number minus: previous programme number

P-

Programme number plus: next programme number

P+

Record: To record the programme currently selected.

Playback: To play a recorded cassette.

Pause/Stop, eject cassette: To stop the tape; If this key is depressed while in STOP, the cassette is then

ejected from the machine.

When tape playback is stopped, press to fast forward the tape at hight speed.

When tape playback is stoped, press to rewind the tape at hight speed.

Sockets on the front:

White socket / input socket: To connect a camcorder or a video game machine (audio).

Yellow socket / input socket: To connect a camcorder or a video game machine (video).

Small socket / socket for headphones: To connect headphones.

AUDIO

VIDEO

–+

Back of your TVCR

Aerial input socket: To connect the aerial cable.

EXT1/AV

Caution: If you switch of

The control lights on the front of machine

STANDBY Standby light: lights up when the TVCR has been switched on by means of the main switch.

RECORD Recording light: lights up during recording.

FAST blink: RECORDING PAUSE; TIMER RECORDING NOT STAND-BY.

SLOW blink: TIMER RECORDING is stored in a timer block.

Scart socket : To connect a satellite receiver, decoder, video recorder, etc

Power switch: To switch the TVCR off.

f using the power switch, TIMER-recordings are impossible!

1-4-6 T6450IB

CABINET DISASSEMBLY INSTRUCTIONS

[ 14PV135/ (01, 07, 58), 14PV235/ (01, 07, 58), 14PV385/ (01, 07, 39) ]

Comparison Chart of Models and Marks

Model Mark

14PV135/07 E 14PV235/07 F 14PV385/07 G 14PV135/01 H 14PV235/01 I 14PV385/01 J 14PV135/58 K 14PV235/58 L 14PV385/39 M

1. Disassembly Flowchart

This flowchart indicates the disassembly steps for the cabinet parts, and the CBA in order to gain access to item(s) to be serviced. When reassembling, follow the steps in reverse order. Bend, route and dress the cables as they were.

Caution !!

When removing the CRT, be sure to discharge the Anode Lead of the CRT with the CRT Ground Wire before removing the Anode Cap.

[1] Rear Cabinet

[2] Power Unit and Tray Chassis Unit

[3] Power Unit[5] H.V./Power

Supply CBA

[4] Tray Chassis Unit

[6] Top Cover

[7] Bottom Plate

[8] Deck Unit

[9] Text CBA [ F,G,I,J,L,M ]

[10] Main CBA

[11] CRT

2. Disassembly Method

REMOVAL

ID/

LOC.

No.

[1]

[2]

[3] Power Unit 3,5

[4]

[5]

[6] Top Cover 3 5(S-4), CL604 5

[7]

[8] Deck Unit 3, 5

[9]

[10] Main CBA 3 4(S-10) 9

[11] CRT 4 4(S-11) 10

↓

(1)

(1): Order of steps in Procedure. When reassembling,

(2): Parts to be removed or installed. (3): Fig. No. showing Procedure of Part Location. (4): Identification of part to be removed, unhooked,

(5): Refer to the following "Reference Notes in the

PA RT

Rear Cabinet

Power Unit and Tray Chassis Unit

Tr ay Chassis Unit

H.V./Power Supply CBA

Bottom Plate

Tex t C BA - -

[ F,G,I,J,L, M ]

↓

(2)

follow the steps in reverse order.These numbers are also used as the identification (location) No. of parts in Figures.

unlocked, released, unplugged, unclamped, or desoldered. S=Screw, P=Spring, L=Locking Tab, CN=Connector, *=Unhook, Unlock, Release, Unplug, or Desolder

2(S-2) = two Screw (S-2)

Ta bl e ."

REMOVE/ *UNHOOK/

Fig.

UNLOCK/RELEASE/

No.

UNPLUG/DESOLDER

1,2,5

3,4,5

3 ---------- -

36(S-3) 4

3(S-5) 6

3, 5

4(S-1), 2(S-2), *CN804

Anode Cap, *CN501, *CN551, *CN601, CRT CBA

*CN502, *CN552, *CN602

7(S-6), (S-7), (S-8), Desolder *(CN201, CL401, CL402, CL403)

(S-9), *CN751, *CN752

↓

(3)

↓

(4)

Note

↓

(5)

1-5-6 T6450DC

Reference Notes in the Table

1. Removal of the Rear Cabinet. Remove four screws (S-1) and two screws (S-2). Disconnect connector CN804 and remove the Rear Cabinet.

Caution !!

Discharge the Anode Lead of the CRT with the CRT Ground Wire before removing the Anode Cap.

2. Removal of the Power Unit and Tray Chassis Unit. Discharge the Anode Lead of the CRT with the CRT Ground before removing the Anode Cap. Disconnect the following: Anode Cap, CN501, CN551, CN601, and CRT CBA. Then pull the Power Unit and Tray Chassis Unit out backward.

3. Removal of the Power Unit. Disconnect connectors CN502, CN552, and CN602. Then slide the Power Unit out.

4. Removal of the H.V./Power Supply CBA. Remove six screws (S-3) and pull up the H.V./ Power Supply CBA.

5. Removal of the Top Cover. Remove five screws (S-4) and CL604, and remove the Top Cover.

6. Removal of the Bottom Plate. Remove a screw (S-5). Then slide the Bottom Plate out front.

7. Removal of the Deck Unit. Remove seven screws (S-6), screw (S-7) and screw (S-8). Then, desolder connectors (CN201, CL401, CL402, CL403) and lift up the Deck Unit.

8. Removal of the Text CBA. [ F,G,I,J,L,M ] Remove screw (S-9), and disconnect connectors CN751 and CN752. Then, lift the Text CBA up.

9. Removal of the Main CBA. Remove four screws (S-10) and pull up the Main CBA.

10.Removal of the CRT. Remove four screws (S-11) and pull the CRT backward.

S-1

S-2

S-1

[1] REAR CABINET

S-2

Fig. 1

1-5-7 T6450DC

S-1

S-2

S-1

S-2

S-1

[1] REAR CABINET

S-1

Fig. 2

1-5-8 T6450DC

[2] Power Unit and Tray Chassis Unit

S-4

S-3

[5] H.V./Power Supply CBA

[3] Power Unit

S-3

S-6

[8] Deck Unit

S-10

S-7

S-6

S-10

S-4

CL604

[6] Top Cover

S-6

[ F,G,I,J,L,M ]

[9] Text CBA

S-9

S-10

Text Holder

S-10

[10] Main CBA

S-8

[4] Tray Chassis Unit

[7] Bottom Plate

S-5

Fig. 3

1-5-9 T6450DC

S-11

Anode Cap

CRT CBA

S-11

[11] CRT

S-11

Fig. 4

1-5-10 T6450DC

ANODE

CRT

GND

CRT CBA

CN501B

SCREEN

CN502

H.V./POWER SUPPLY CBA

CN552

CL501A

FOCUS

CN501

CN551

TO SPEAKER

MAIN CBA

CN804

CN601 TO DEGAUSS COIL

CL403

CL401

CL402

CN201

CN751

CL603A

CN602

CL302A

CL301A

CN752

[ F,G,I,J,L,M ]

TEXT CBA

CN901

CN902

FE HEAD

CYLINDER ASSEMBLY

CAPSTAN

ACE HEAD ASSEMBLY

MOTOR

TO TOP COVER

DECK UNIT

CL604

1-5-11 T6450DC

Fig. 5

ELECTRICAL ADJUSTMENT INSTRUCTIONS

[ 14PV135/ (01, 07, 58), 14PV235/ (01, 07, 58), 14PV385/ (01, 07, 39) ]

General Note:

"CBA" is abbreviation for "Circuit Board Assembly."

NOTE:

Electrical adjustments are required after replacing circuit components and certain mechanical parts. It is important to perform these adjustments only after all repairs and replacements have been completed. Also, do not attempt these adjustments unless the proper equipment is available.

Test Equipment Required

1. PAL Pattern Generator (Color Bar, Monoscope, Black Raster, White Raster, Sympte)

2. SECAM Pattern Generator (Gray Scale)

3. AC Milli Voltmeter (RMS)

4. Alignment Tape (9965 000 14514), Blank Tape (E180)

5. DC Voltmeter

6. Oscilloscope: Dual-trace with 10:1 probe,

V-Range: 0.001~50V/Div, F-Range: DC~AC-60MHz

7. Frequency Counter

8. Plastic Tip Driver

9. RF input (at each broadcasting system) Receiving Channel : VHF Low Input level : 80dBµV

10.Ext.input FRONT VIDEO-IN JACK or REAR SCART JACK

How to set up the option code

1. Enter the Service mode.

2. Press the [STATUS/EXIT] button on the remote control unit. The option code appears on the display.

3. If needed, input the option code as shown below using number buttons on the remote control unit.

Model Option Code

14PV135/01 0130

14PV135/07 0128

14PV135/58 0131

14PV235/01 0178

14PV235/07 0176

14PV235/58 0179

14PV385/01 2994

14PV385/07 2992

14PV385/39 2961

4. To reset the software, press [PAUSE] and [5] buttons on the remote control unit. The option code is changed.

How to Set up the Service mode:

NOTE:

After replacing the IC202 (Memory) or Main CBA, the set value in IC202 (Memory) will be lost. So it is necessary to set up or adjust in the Service mode after its replacement.

Service Mode:

1. Turn the power on. (Use main power on the TV unit.)

2. Press [STANDBY/ON], [2], [7], [1], and [MUTE] buttons on the remote control unit in that order within 5 seconds.

- To cancel the service mode, press [STANDBY/ON] button on the remote control.

1-6-10 T6450EA

1. DC 105V (+B) Adjustment

2. H Adjustment

Purpose: To obtain correct operation.

Symptom of Misadjustment: The picture is dark and

unit does not operate correctly.

Test point Adj. Point Mode Input

TP503

(+B), TP504 (GND)

Ta p e M . E Q . S p e c .

---

Note: TP503(+B), TP504(GND), VR601 --- H.V./Power Supply CBA

1. Connect the unit to AC Power Outlet. (exact AC230V)

2. Input a color bar signal from RF (or Ext.) input and leave it for at least 20 minutes.

3. Connect DC Volt Meter to TP503(+B) and TP504(GND).

4. Adjust VR601 so that the voltage of TP503(+B) becomes +105±0.5V DC.

VR601

DC Voltmeter,

Plastic Tip Driver

(or Ext.)

+105±0.5V DC

Color

Bar

Purpose: To get correct horizontal position and size of screen image.

Symptom of Misadjustment: Horizontal position and size of screen image may not be properly displayed.

Test point Adj. Point Mode Input

R590

Tape M. EQ. Spec.

--- Frequency Counter 15.625kHz±75Hz

Note: R590 --- H.V./Power Supply CBA

1. Connect Frequency Counter to R590.

2. Set the unit to the Ext. mode and no input is necessary. Enter the Service mode. (See page 1-6-10.)

3. Operate the unit for at least 20 minutes.

4. Press [2] button on the remote control unit and select H-Adj Mode.

5. Press [P+/P-] buttons on the remote control unit so that the display will change [0] to [7.] At this moment, choose display [0] to [7] when the Frequency counter display is closest to

15.625kHz±75Hz.

6. Turn the power off and on again.

P+/P-

buttons

Ext. ---

1-6-11 T6450EA

3. C-Trap Adjustment

Purpose: To get minimum leakage of the color signal

carrier.

Symptom of Misadjustment: If C-Trap Adjustment is incorrect, stripes will appear on the screen.

Test point Adj. Point Mode Input

4. To enter the DSPC mode, press [1] button on the remote control unit. Recording starts automatically and “DSPC” appears on the display.

TVCR

DSPC

J349F3

(B-OUT)

Tape M. EQ. Spec.

---

minimum

Note: J349F3 (B-Out)--- Main CBA

1. Connect Oscilloscope to J349F3.

2. Input a color bar signal from RF (or Ext.) input. Enter the Service mode. (See page 1-6-10.)

3. Press [0] button on the remote control unit and select C-TRAP Mode.

4. Press [P+/P-] buttons on the remote control unit so that the carrier leakage B-Out (4.43MHz) value becomes minimum on the oscilloscope.

5. Turn the power off and on again.

P+/P-

buttons

Oscilloscope,

Pattern Generator

Figure

(or Ext.)

200mVp-p Max.

Color Bar

Fig. 1

VIDEO INPUT JACK (Ext. input)

5. Recording continues for 10 seconds in SP mode. Note: Since the reference value of LP V-ENV is computed from the reference value of SP V-ENV, there is no need to survey it.

6. The tape is rewinded to the recording start point.

7. The unit enters the play mode automatically and the V-ENV levels of each the reference value of SP mode and the computing value of LP mode are memorized into the EEPROM.

8. "OK" or "NG" appears on upper left corner of the screen with blueback. In case of "OK": "OK" (green) is indicated without ejecting tape. In case of "NG": "NG" (red) is indicated with ejecting tape.

TVCR TVCR

Fig. 2

4. How to measure the standard V-ENV value of Digital Studio Picture Control

Purpose: To set the recording condition appropriate

for the recording tape.

Symptom of Misadjustment: Recording or playing back picture quality may fall. The picture will be tinted.

1. Insert a new tape (type: E180) for the DSPC alignment into the TV/VCR.

2. Input the black raster signal from the video input jack (VIDEO-IN).

3. Enter the Service Mode. (See page 1-6-10.)

Normal

Abnormal

Fig. 3

1-6-12 T6450EA

5. SECAM Black Level Adjustment

6. V. Size Adjustment

Purpose: To set Black Level of the SECAM signal R-

Y/B-Y to Ref. level.

Symptom of Misadjustment: If Black Level of the SECAM signal R-Y/B-Y is incorrect, the picture is bluish or reddish in grayscale compared with PAL signal.

Te st

point

J361G4

Tape M. EQ. Spec.

---

Analog Oscilloscope (unus-

able Digital Oscilloscope)

1. Degauss the CRT and allow CRT to operate for 20 minutes before starting the alignment.

2. Input the SECAM Gray Scale signal from Ext. input.

3. Enter the Service Mode. (See page 1-6-10.)

4. To enter the C/D/S mode, press [ -] on the remote control unit.

5. To select SBR (SECAM Black Level R-Y), press [6] button on the remote control unit.

6. Press [P+/P-] buttons to adjust Y signal to the black ref. level.

7. To select SBB (SECAM Black Level B-Y), press [7] button on the remote control unit.

8. Press [P+/P-] buttons to adjust Y signal to the black ref. level.

Y Signal

Adj. Point Mode Input

P+/P-

buttons

Pattern Generator,

Ext.

SECAM

Gray

Scale

---

Purpose: To obtain correct vertical height of screen image.

Symptom of Misadjustment: If V. Size is incorrect, vertical height of image on the screen may not be properly displayed.

Test point Adj. Point Mode Input

Screen

Tap e M. E Q . Sp e c .

--- Pattern Generator 90±5%

1. Enter the Service mode. (See page 1-6-10.) Press [9] button on the remote control unit and select V-S Mode. (Press [9] button then display will change to V-P and V-S).

2. Input monoscope pattern and leave it for at least 20 minutes.

3. Press [P+/P-] buttons on the remote control unit so that the monoscope pattern is 90±5% of display size and the circle is round.

P+/P-

buttons

(or Ext.)

Monoscope

7. V. Shift Adjustment

Purpose: To obtain correct vertical position of screen

image.

Symptom of Misadjustment: If V. position is incorrect, vertical position of image on the screen may not be properly displayed.

Test point Adj. Point Mode Input

Screen

Tape M. EQ. Spec.

P+/P-

buttons

(or Ext.)

Monoscope

Black REF. Level

5mV/Div (10:1 Prove)

Fig. 4

--- Pattern Generator 90±5%

1. Enter the Service mode. (See page 1-6-10.) Press [9] button on the remote control unit and select V-P Mode. (Press [9] button then display will change to V-P and V-S).

2. Input monoscope pattern and leave it for at least 20 minutes.

3. Press [P+/P-] buttons on the remote control unit so that the top and bottom of the monoscope pattern are equal to each other.

1-6-13 T6450EA

8. H. Shift Adjustment

Purpose: To obtain correct horizontal position and

size of screen image.

Symptom of Misadjustment: Horizontal position and size of screen image may not be properly displayed.

Test point Adj. Point Mode Input

Screen

Tape M. EQ. Spec.

--- Pattern Generator 90±5%

1. Enter the Service mode. (See page 1-6-10.) Press [8] button on the remote control unit and select H-P Mode.

2. Input monoscope pattern and leave it for at least 20 minutes.

3. Press [P+/P-] buttons on the remote control unit so that the left and right side of the monoscope pattern are equal to each other.

4. Turn the power off and on again.

P+/P-

buttons

(or Ext.)

Monoscope

8. To enter the CUT OFF (G) mode, press [2] button on the remote control unit.

9. Press the [P+/P-] buttons until the horizontal line becomes white.

10.To enter the CUT OFF (B) mode, press [3] button on the remote control unit.

11.Press the [P+/P-] buttons until the horizontal line becomes white.

12.Turn the screen control so that the horizontal line adjusted white looks lightly.

13.Turn the power off and on again.

9. Cut-off Adjustment

Purpose: To adjust the beam current of R, G, B, and

screen voltage.

Symptom of Misadjustment: White color may be reddish, greenish or bluish.

Test point Adj. Point Mode Input

Screen

Tape M. EQ. Spec.

--- Pattern Generator

Notes:

Screen Control (FBT) --- H.V./Power Supply CBA FBT= Fly Back Transformer Use the Remote Control Unit

1. Degauss the CRT and allow CRT to operate for 20 minutes before starting the alignment.

2. Set the screen control to minimum position. Input the Black raster signal from RF (or Ext.) input.

3. Enter the Service Mode. (See page 1-6-10.) Dimmed horizontal line appears on the CRT.

4. To enter the C/D/S mode, press the [ -] button on the remote control unit.

5. To enter the CUT OFF (R) mode, press [1] button on the remote control unit.

6. Turn the screen control up until dimmed horizontal line appears.

7. Press the [P+/P-] buttons until the horizontal line becomes white.

Screen-Control,

P+/P- buttons

(or Ext.)

See Reference

Notes below

Black

Raster

1-6-14 T6450EA

10. White Balance Adjustment

11. Sub-Brightness Adjustment

Purpose: To mix red, green and blue beams correctly

for pure white. Symptom of Misadjustment: White becomes bluish

or reddish.

Test point Adj. Point Mode Input

Screen

Tape M. EQ. Spec.

---

Screen-Control,

P+/P- buttonsRF(or Ext.)

Pattern Generator,

Color analyzer

Figure

Color Ajalyzer

See below

White

Raster

(APL 100%)

Fig. 5

Purpose: To get proper brightness. Symptom of Misadjustment: If Sub-Brightness is

incorrect, proper brightness cannot be obtained by adjusting the Brightness Control.

Test point Adj. Point Mode Input

Screen

Tape M. EQ. Spec.

---

White

P+/P-

buttons

Pattern

Generator

Figure

(or Ext.)

See below

ABC

SYMPTE

Black

This bar (A) just visible

Note: Use remote control unit

1. Operate the unit more than 20 minutes.

2. Face the unit to east. Degauss the CRT using Degaussing Coil.

3. Input the White Raster (APL 100%).

4. Set the color analyzer to the CHROMA mode and after zero point calibration, bring the optical receptor to the center on the tube surface (CRT).

5. Enter the Service mode. Press [ -] button on the remote control.

6. Press [4] button on the remote control unit for Red adjustment. Press [5] button on the remote control unit for Blue adjustment.

7. In each color mode, Press [P+/P-] buttons to adjust the values of color.

8. Adjusting Red and Blue color so that the temperature becomes 8500K (x : 290 / y : 300) ±3%.

9. At this time, Re-check that Horizontal line is white. If not, Re-adjust Cut-off Adjustment until the Horizontal Line becomes pure white.

10. Turn off and on again to return to normal mode. Receive APL 100% white signal and Check Chroma temperatures become 8500K (x : 290 / y : 300) ±3%.

Note: Confirm that Cut Off Adj. is correct after this adjustment, and attempt Cut Off Adj. if needed.

Fig. 6

Note: Bar (A) in Fig. 7 --- 0 IRE

1. Enter the Service Mode. (See page 1-6-10.) Then input SYMPTE signal from RF (or Ext.) input and leave it for at least 20 minutes.

2. Press MENU button. (Each time MENU button is pressed, display will change BRT, CNT, COL, TNT, and SHP in that order.) Select BRT and press [P+/ P-] buttons so that the bar (A) in Fig. 6 is just visible.

3. Turn the power off and on again.

1-6-15 T6450EA

12. Setting for CONTRAST, COLOR, TINT and SHARP Data Values

General

1. Enter the Service mode. (See page 1-6-10)

2. Press MENU button. (Each time MENU button is pressed, display will change BRT, CNT, COL, TNT, and SHP in that order.)

CONTRAST (CNT)

1. Press "MENU" button on the remote control unit. Then select CNT display.

2. Press [P+/P-] buttons on the remote control unit so that the value of "CONTRAST" (CNT) becomes 83.

COLOR (COL)

1. Press "MENU" button on the remote control unit. Then select "COLOR" (COL) display.

2. Press [P+/P-] buttons on the remote control unit so that the value of "COLOR" (COL) becomes 65.

TINT (TNT)

1. Press "MENU" button on the remote control unit. Then select "TINT" (TNT) display.

2. Press [P+/P-] buttons on the remote control unit so that the value of "TINT" (TNT) becomes 68.

13. Focus Adjustment

Purpose: Set the optimum Focus.

Symptom of Misadjustment: If Focus Adjustment is

incorrect, blurred images are shown on the display.

Test point Adj. Point Mode Input

Screen Focus Control

Ta p e M . E Q . Sp e c.

--- Pattern Generator See below.

Note: Focus VR (FBT) --- H.V./Power Supply CBA

FBT= Fly Back Transformer

1. Operate the unit more than 30 minutes.

2. Face the unit to the East and degauss the CRT using a Degaussing Coil.

3. Input the monoscope pattern.

4. Adjust the Focus Control on the FBT to obtain clear picture.

(or Ext.)

Monoscope

SHARP (SHP)

1. Press "MENU" button on the remote control unit. Then select "SHARP" (SHP) display.

2. Press [P+/P-] buttons on the remote control unit and select "1."

1-6-16 T6450EA

14. Head Switching Position Adjustment

Purpose: Determine the Head Switching Position dur-

ing Playback.

Symptom of Misadjustment: May cause Head Switching Noise or Vertical Jitter in the picture.

Note: Unit reads Head Switching Position automatically and displays it on the screen (Upper Left Corner).

Manual Adjustment

1. Enter the Service Mode. (See page 1-6-10.)

2. Playback the test tape (9965 000 14514).

3. Press the number [5] button on the remote control unit.

4. The Head Switching position will display on the screen; if adjustment is necessary follow step 4.

7.0H (448µs) is preferable.

5. Press [P+/P-] buttons on the remote control unit if necessary. The value will be changed in 0.5H steps up or down. Adjustable range is up to 9.5H. If the value is beyond adjustable range, the display will change as:

Lower out of range: 0.0H Upper out of range: -.-H

6. Turn the power off and on again.

Auto Adjustment

1. Load the test tape (9965 000 14514) that have been recorded the Head Switching Position Value.

2. Enter the service mode.

3. Press [3] button on the remote control unit in the tape stop mode. The unit playback and adjust the Head Switching Position automatically.

4. The adjusting report appears on upper left corner of the screen with blueback. In case of adjusting correctly: the Head Switching Position Value recorded in the test tape (9965 000

14514) is indicated with green. In case of adjusting incorrectly: "NG" (red) is indicated with ejecting tape.

TVCR TVCR

7.0H

Correct

Incorrect

Fig. 7

1-6-17 T6450EA

Adjustment Points and Test Points

H.V./Power Supply CBA Top View

Focus-control (Upper side)

R590 (H Adjustment)

VR601 +B ADJ

Main CBA Top View

TP007 N-A-PB

TP002 RF-SW

TP001 CTL

Screen-control (Lower side)

TP503 +B

TP504 GND

J361G4

(SECAM Black Level Adjustment)

TP008

IC202

C-PB

TP003 V-OUT

J349F3 B-OUT

TEST POINT INFORMATION

: Indicates a test point with a jumper wire across a hole in the PCB.

TEST POINTS NOT USED IN ELECTRICAL ADJUSTMENTS

Test Point

TP001

TP002

TP008

TP503

TP504

Mechanical Alignment Procedures

Electrical Adjustment Instructions

Used in: Page No.

2-3-3

2-3-3, 2-3-4

1-6-10

1-6-18 T6450EA

BLOCK DIAGRAMS

[ 14PV135/ ( 01, 07, 58 ), 14PV235/ ( 01, 07, 58 ), 14PV385/ ( 01, 07, 39 ) ]

Servo/System Control Block Diagram

ks r a

k r

l e

14PV385/01

k r

l e

14PV135/07

14PV385/39

14PV135/58

14PV235/58

14PV135/01

14PV235/07

14PV385/07

14PV235/01

SW201 SW205

KEY SWITCH

SW206 SW210

TO POWER

SUPPLY BLOCK

P-ON-H

P-DOWN-L

C-POWER-SW

D202 REC

AL+5V

(MEMORY)

C202 I

D204 STANDBY

SCL

SDA

SP-MUTE

A-MUTE-H

AUDIO BLOCK

SCL

EXT-L

SCART-H

SCART-MUTE

SDA

SCL

SDA

REC

SW211

DAV-L

SAFETY

TV BLOCK

SCL

SDA

C-OPEN

1ST-SND-H

C-SYNC

D-REC-H

VIDEO BLOCK

V-ENV

C-ROTA

DV-SYNC

RF-SW

TRICK-H

SECAM-H

l e

f o

t r a

on s

i r a

p m

KEY-2

KEY-1

C201 I

(SERVO/SYSTEM CONTROL)

REMOTE

AL+5V

RS201

D201

S-LED

:INDICATES A TEST POINT WITH A JUMPER WIRE ACROSS A HOLE IN THE PCB.

:USED TO INDICATE A TEST POINT WITH A COMPONENT LEAD ON FOIL SIDE.

:USED TO INDICATE A TEST POINT WITH NO TEST PIN.

:USED TO INDICATE A TEST POINT WITH A TEST PIN.

TEST POINT INFORMATION

: S R

TO C E

NN O C

E R

WI R

OTE FO N

1. PREFIX SYMBOL "CN" MEANS CONNECTOR.

CBA

(CAN DISCONNECT AND RECONNECT.)

2. PREFIX SYMBOL "CL" MEANS WIRE-SOLDER

HOLES OF THE PCB.

(WIRE IS SOLDERED DIRECTLY.)

I A M

M ,

C-POWER-SW

REMOTE

SENSOR

P-ON-H

CTL(+)

CTL AMP-OUT

TP001

CTL

CL402

2CTL(+)

P-DOWN-L

CTL(-)

AL+5V

SW212

1CTL(-)

REC-LED

LD-SW

SCL

ST-SENS.

END-SENS.

SDA

C-OPEN

T-REEL

M ,

J G,

S-REEL

PI201

Q205

END-SENS.

Q201

ST-SENS.

Q202

S-REEL

T-REEL

CBA R SO

N SE

CBA R SO

N SE

) R

SO N

(

) R

SO N

(

M ,

J G,

SP-MUTE

1ST-SND-H

RESET

Q204

RESET

TIMER+5V

EXT-L

A-MUTE-H

SCART-H

OTO M

PST CA

SCART-MUTE

C-FG

CM+12V/+20.5V

P-ON+5V(3)

2P-ON+5V(3)

3C-FG

CN201

CM+12V/+20.5V

CAPSTAN

J G,

REC-SAFETY

C-CONT

LD-CONT

C-F/R

4C-F/R

6FG-GND

7LD-CONT

C-CONT

MOTOR

DAV-L

D-PFG

D-CONT

8D-CONT

D-PFG

C-SYNC

D-REC-H

AL+12V(1)

11AL+12V(1)

10M-GND

V-ENV

DV-SYNC

+33V

12VG

RF-SW

C-ROTA

TRICK-H

SECAM-H

" " = SMD

)

LY B M

SSE A

CK E D

(

LY B M

SSE A

AD E H

CONTROL

HEAD

1-7-7

LY B M

SSE A

R E

YLI C

SENSOR

DRUM

MOTOR

T6450BLS

Video Block Diagram

Model Mark

14PV385/01

14PV135/58

14PV235/58

14PV385/39

Model Mark

14PV135/01

14PV235/01

14PV135/07

14PV235/07

Comparison Chart of Models & Marks

14PV385/07

G,J

VIDEO (L)

HEAD

VIDEO (R)

HEAD

CYLINDER ASSEMBLY

(DECK ASSEMBLY)

123

V(L)

V(R)

CL401

V-COM

969593

WF1

RF-SW

TP002

RF-SW

D-REC-H

TO SERVO/SYSTEM

CONTROL BLOCK

C-ROTA

DV-SYNC

V-ENV

C-SYNC

TRICK-H

SECAM-H

IC471 (PAL/SECAM DECTECOTR)

PAL/SECAM

DETECTOR

12216

SDA

DAV-L

IC101 (VPS)

6147

REC-VIDEO SIGNAL PB-VIDEO SIGNAL MODE: SP/REC

WIRE ACROSS A HOLE IN THE PCB.

DAV-L

SDA

WITH A COMPONENT LEAD ON FOIL SIDE.

WITH A TEST PIN.

:INDICATES A TEST POINT WITH A JUMPER

:USED TO INDICATE A TEST POINT

:USED TO INDICATE A TEST POINT WITH NO TEST PIN.

:USED TO INDICATE A TEST POINT

TEST POINT INFORMATION

OR.

WIRE-SOLDER

NOTE FOR WIRE CONNECTORS:

1. PREFIX SYMBOL "CN" MEANS CONNECT

(CAN DISCONNECT AND RECONNECT

2. PREFIX SYMBOL "CL" MEANS

HOLES OF THE PCB.

(WIRE IS SOLDERED DIRECTLY.)

SCL

SERVO/SYSTEM

CONTROL BLOCK

MAIN CBA

" " = SMD

VPS-V

SCL

C-VIDEO

TV BLOCK

TU001

7978

69684643

SERIAL

DECORDER

Y. DELAY

IC401

(VIDEO/AUDIO SIGNAL PROCESS)

G,J,M

VIDEO OUT

JK701

TU002

V-IN

HEAD

AMP

LUMINANCE

SIGNAL

PROCESS

WF4

AGC

BYPASS

TUNER1

SCART

TUNER2

485254

JK703

V-IN

LINE

CHARA.

SCART

V-OUT

REC FM

AGC

CCD 1H DELAY

1/2

INS.

LINE

MUTE

PB/EE

BUFFER

Q703

D-REC-H

RPRP

CHROMINANCE

SIGNAL

PROCESS

MUTE

PB/EE

TUNER1

TUNER2

V-ENV

D-V-SYNC

RF-SW/C-ROTA

Y/C

MIX

FBC

WF5

V-OUT

TP003

TU1-VIDEO

C-SYNC

AGC VXO

BUFFER

Q401

VIDEO

TV BLOCK

PB-H OUT

2928 44

58 59

WF2

TP008

X401

GND

TP010

WF6

C-PB

4.43MHz

1-7-8

T6450BLV

Audio Block Diagram

Model Mark

Comparison Chart of Models & Marks

14PV385/01

14PV135/58

14PV235/58

14PV135/07

14PV235/07

14PV385/07

Mode : SP/REC

14PV385/39

14PV135/01

14PV235/01

JK151

HEADPHONE JACK

AMP

OUTPUT

MUTE

SP151

CL801

CN804

SP1SP-GND 2

SPEAKER

SERVO/SYSTEM

CONTROL BLOCK

SP-MUTE

ALC

WF8

N-A-PB

TP007

SERVO/SYSTEM

CONTROL BLOCK

DET

INV

LINE

MUTE

AMP

ALC

ATT

SERIAL

DECODER

AUDIO HD-SW

CONTROL

68 69

REC-ON

REC

AMP

100

SCL

SDA

A-MUTE-H

IC151 (AMP)

MAIN CBA

PB-AUDIO SIGNAL REC-AUDIO SIGNAL

WIRE ACROSS A HOLE IN THE PCB

WITH A COMPONENT LEAD ON FOIL SIDE.

WITH NO TEST PIN.

:INDICATES A TEST POINT WITH A JUMPER

:USED TO INDICATE A TEST POINT

:USED TO INDICATE A TEST POINT WITH A TEST PIN.

TEST POINT INFORMATION

OR.

WIRE-SOLDER

ATT

(VIDEO/AUDIO/CHROMA/DEFLECTION/IF)

TUNER1

LINE

IC301

WF7

WF9

AMP

SP/LP-ON

TUNER2

LINE

151317

SW CTL

PB-ON

1011 9

+5V

Q854

TO SERVO

/SYSTEM

CONTROL

BLOCK

EXT-L

SCART-H

SCART-MUTE

TUNER1

IC401

(AUDIO SIGNAL PROCESS)

AUDIO

MUTE

G,J,M

SCART

LINE

SCART

LINE

2155

IC702 (SW)

TU1

TU2

SW CTL

IC701 (SW)

CL402

3 A-PB/REC

AUTO

Q855

BIAS

4 A-COM

6 AE-H/FE-H

OSC

5 FE-H

Q856

Q853(PB=ON)

+5V

SWITCHING

D-REC-OFF

Q851

CL403

1 FE-H

Q852(PB=ON)

2 FE-H-GND

NOTE FOR WIRE CONNECTORS:

1. PREFIX SYMBOL "CN" MEANS CONNECT

(CAN DISCONNECT AND RECONNECT

2. PREFIX SYMBOL "CL" MEANS

HOLES OF THE PCB.

(WIRE IS SOLDERED DIRECTLY.)

" " = SMD

AUDIO OUT

TU001

21AUDIO OUT

TU002

1ST-SND-H

TO SERVO

/SYSTEM

CONTROL

BLOCK

JK702

A-IN

JK703

A-IN

A-OUT

1-7-9

Q701

AUDIO

HEAD

AUDIO

ERASE

HEAD

(DECK ASSEMBLY)

FE HEAD

ACE HEAD ASSEMBLY

FULL

ERASE

HEAD

T6450BLA

TV Block Diagram

Model Mark

14PV385/39

14PV385/01

14PV135/58

14PV235/58

Model Mark

14PV135/01

14PV235/01

14PV135/07

14PV235/07

OR.

14PV385/07

Comparison Chart of Models & Marks

VIDEO BLOCK

TU1-VIDEO

VIDEO

X301

4.43MHz

BLUE2

CL301A

CRT/H.V. BLOCK

CL301B

GREEN1

RED 3

143115

CL302A

WF11

CRT/H.V. BLOCK

CL302B

V-DRIVE3

FBP2

H-DRIVE1

ACL5

V-RAMP-FB4

Mode : SP/REC

NOTE FOR WIRE CONNECTORS:

1. PREFIX SYMBOL "CN" MEANS CONNECT

(CAN DISCONNECT AND RECONNECT

2. PREFIX SYMBOL "CL" MEANS WIRE-SOLDER

HOLES OF THE PCB.

(WIRE IS SOLDERED DIRECTLY.)

WIRE ACROSS A HOLE IN THE PCB

WITH A COMPONENT LEAD ON FOIL SIDE.

WITH NO TEST PIN.

:INDICATES A TEST POINT WITH A JUMPER

:USED TO INDICATE A TEST POINT

TEST POINT INFORMATION

" " = SMD

REC VIDEO SIGNAL PB VIDEO SIGNAL

WITH A TEST PIN.

IC301 (VIDEO/AUDIO/CHROMA/DEFLECTION/IF)

:USED TO INDICATE A TEST POINT

MAIN CBA

LINE/PB

SYNC

SEPARATION

CHROMA

BPF

TRAP

SECAM

DECODER

PAL

DECODER

LUMA

SIGNAL

PROCESS

CIRCUIT

H-SYNC

PROCESS

CIRCUIT

BASE BAND

1H DELAY LINE

OSD MIX/RBG MATRIX/

BLANKING

CLOCK

CONTROL

CIRCUIT

TUNER

LINE/PB

INV

V-SYNC

PROCESS

SERIAL

I/F

INTELLIGENT

MONITORING

Q711

+5V

Q706

Q704

+5V

Q702

IC703 (SW)

CIRCUIT

SW CTL

342

109 11

Q710

WF10

F,G,I,J,L,M

IC901 (TELETEXT DECODER)

CN752CN902

22OSD-BLK

44OSD-B

55Y-SW-OUT

22H-SYNC

44SDA

33SCL

11V-SYNC

CN901 CN751

3723365049353233344142

C I/F

DISPLAY

TIMING

ADC/

DATA SLICER

66OSD-G

DECODER

TELETEXT

33OSD-R

X901

12MHz

OSC

TEXT CBA

OSC/CLOCK

GENERATOR

CN303

C-OPEN

INT.MONITOR

SDA 4

SCL 5

(NO CONNECTION)

CN303 is used for

adjustment at factory

SCL

C-OPEN

SERVO/SYSTEM

1-7-10

SDA

CONTROL BLOCK

JK703

SLOW-SW

16811

OSD-B

RAPID-SW

OSD-G

OSD-R

IC201

(SYSTEM CONTROL/OSD)

OSD-R

TEXT-L

C-VIDEO

VIDEO

BLOCK

626364

OSD-B

OSD-G

OSD-BLK

SLOW-SW-IN

616568

V-SYNC

RGB CONT

RAPID-SW-IN

WF18

H-SYNC

WF17

T6450BLT

CRT/H.V. Block Diagram

V-

DRIVEH-DRIVE

DEFLECTION-YOKE

543

WF13

Mode : SP/REC

CN551

ANODE

JK501

FOCUS

SCREEN

GND

V501

CRT

RGB

HEATER

WF16

GND

CN501

THERMAL

PROTECTION

REC VIDEO SIGNAL PB VIDEO SIGNAL

AMP

IC551 (V-DEFLECTION CONTROL)

THE PCB.

WITH A COMPONENT LEAD ON FOIL SIDE.

WITH NO TEST PIN.

PUMP

T552

Q551

H.OUTPUT

VCC

WF15WF14

Q501

Q502

RED AMP

BLUE AMP

Q503

GREEN AMP

CRT CBA

CL501BCL501A

ANODE

FOCUS VR

T551 F.B.T.

FOCUS

SCREEN

SCREEN VR

810796

HEATER 11

P-ON+160V 33

:INDICATES A TEST POINT WITH A JUMPER WIRE ACROSS A HOLE IN

:USED TO INDICATE A TEST POINT

:USED TO INDICATE A TEST POINT WITH A TEST PIN.

TEST POINT INFORMATION

OR.

H.V./POWER SUPPLY CBA

NOTE FOR WIRE CONNECTORS:

1. PREFIX SYMBOL "CN" MEANS CONNECT

(CAN DISCONNECT AND RECONNECT

2. PREFIX SYMBOL "CL" MEANS WIRE-SOLDER

HOLES OF THE PCB.

(WIRE IS SOLDERED DIRECTLY.)

Q533

H.DRIVE

WF12

CN552

33V-DRIVE

11H-DRIVE

22FBP

55ACL

44V-RAMP-FB

DEF+B

POWER SUPPLY

BLOCK

CN302CL302B

JUNCTION-B

CBA

125

TO TV

BLOCK

CL302A

1-7-11

CN502

32RED

CN301CL301B

321

TO TV

14GREEN

23BLUE

JUNCTION-C

BLOCK

CL301A

T6450BLCRT

CBA

Power Supply Block Diagram

ks r a

k r

l e

f o

t r a

on s

i r a

p m

: S R

TO C E

NN O C

E R

WI R

:INDICATES A TEST POINT WITH A JUMPER WIRE ACROSS A HOLE IN THE PCB.

:USED TO INDICATE A TEST POINT WITH A COMPONENT LEAD ON FOIL SIDE.

:USED TO INDICATE A TEST POINT WITH NO TEST PIN.

:USED TO INDICATE A TEST POINT WITH A TEST PIN.

OTE FO N

1. PREFIX SYMBOL "CN" MEANS CONNECTOR.

TEST POINT INFORMATION

l e

14PV385/39

14PV385/01

14PV135/58

14PV235/58

k r

l e

14PV135/01

14PV135/07

14PV235/07

14PV385/07

(CAN DISCONNECT AND RECONNECT.)

2. PREFIX SYMBOL "CL" MEANS WIRE-SOLDER

HOLES OF THE PCB.

(WIRE IS SOLDERED DIRECTLY.)

14PV235/01

P-DOWN-L

(TO PIN85 OF IC201)

Q206

CRT/H.V.

BLOCK

CM+12V/+20.5V

M ,

J G,

Q681

C-POWER-SW

(TO PIN66 OF IC201)

Q683

TIMER+5V

CL603A

CL603BCN603

AL+20.5V

CN602

AL+33V

AL+9V

AL+33V

AL+9V

AL+12V(2)

AL+12V(1)

AL+5V

546

AL+5V

P-ON+8V

AL+12V(1)

546

P-ON+5V(2)

P-ON+8V

P-ON-H

(TO PIN67 OF IC201)

C681 I

Q682

+5V

TIO

UNC J

P-ON-L

P-DOWN-L

REG.

CBA

Q684

+5V

P-ON+5V(3)

Q686

REG.

P-ON+5V(1)

+5V

REG.

C301 I

P-ON-ON

+5.7V

REG.

CL604

TOP

CBA N

I A M

COVER

" " = SMD

GND

TP504

TP503

DEF+B

D OL

TIO

NOTE :

CAU

The voltage for parts in hot circuit is measured using

FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,

REPLACE ONLY WITH THE SAME TYPE T4A/250V FUSE.

hot GND as a common terminal.

T601

OT H

BRIDGE

RECTIFIER

D601 - D604

LINE

FILTER

L601

PS602

F601

T4A/250V

+8V REG.

Q607

CBA

PPLY

Q606

+5V REG.

Q605

Q608

M ,

J G,

Q602

SWITCHING

LIMITER

Q603

C601 I

ERROR

VOLTAGE DET

VR601

Q604

+B ADJ.

FEED

BACK

U S

.V./POWE H

POWER

SW601

! N

TIO

CAU

Fixed voltage power supply circuit is used in this unit.

If Main Fuse (F601) is blown, check to see that all components in the power supply

circuit are not defective before you connect the AC plug to the AC power supply.

Otherwise it may cause some components in the power supply circuit to fail.

AC-CORD

CN601

DEGAUSSING

COIL

1-7-12

T6450BLP

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