JVC AV-1406FE User manual

SERVICE MANUAL
COPYRIGHT © 2006 Victor Company of Japan, Limited No.YA370
2006/2
COLOUR TELEVISION
YA37020062
AV-1406FE, AV-14146/N,
AV-14149/N, AV-14F16,
AV-14FMG6/G, AV-14FMG6/S
TABLE OF CONTENTS
1 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2 SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
3 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
4 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11
5 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-24
BASIC CHASSIS
CG4

1-2 (No.YA370)
SPECIFICATION
Design and specifications are subject to change without notice.
Items
Contents
AV-1406FE
AV-14146/N
AV-14149/N
AV-14F16
AV-14FMG6/G
AV-14FMG6/S
Dimensions (W ×H ×D) 46.2 cm ×34.1 cm ×37.5 cm
Mass 10 kg
TV RF System B/G, I, D/K B/G, I, D/K, M
Colour System PAL
SECAM
NTSC 3.58 / NTSC 4.43 (NTSC:EXT only).
PAL
SECAM
NTSC 3.58 / NTSC 4.43
Receiving
Frequency
VHF Low
VHF High
UHF
CATV
46.25 MHz to 140.25 MHz
147.25 MHz to 423.25 MHz
431.25 MHz to 863.25 MHz
Mid (X to Z+2, S1 to S10) / Super (S11 to S20) / Hyper (S21 to S41) bands
Intermediate Frequency VIF 38.0 MHz (B/G, I, D/K) 38.0 MHz (B/G, I, D/K, M)
SIF 32.5 MHz (5.5 MHz: B/G)
32MHz (6.0 MHz: I)
31.5MHz (6.5 MHz: D/K)
32.5 MHz (5.5 MHz: B/G)
32MHz (6.0 MHz: I)
31.5MHz (6.5 MHz: D/K)
33.5MHz (4.5 MHz: M)
Colour Sub Carrier PAL
SECAM
NTSC
4.43 MHz
4.40625 MHz / 4.25 MHz
3.58 MHz / 4.43 MHz
Power Input AC110 V to AC240 V, 50 Hz / 60Hz
Power Consumption 68 W (Max) / 47W(Avg)
Picture Tube Visible size: 34 cm measured diagonally ( H : 28.7 cm ×V : 21.7 cm)
High Voltage 22.5 kV±1.5kV (at zero beam current)
Speaker 5 cm ×9 cm, Oval type ×2
Audio Power Output 3 W (monaural)
Aerial Input Terminal 75 Ωunbalanced, coaxial
Input Terminal
[Front / Rear]
Video
Audio
1 V(p-p), 75 Ω, RCA pin jack ×2
500 mV(rms) (-4 dBs), High impedance, RCA pin jack ×2
Output Terminal
[Rear]
Video
Audio
1 V(p-p), 75Ω, RCA pin jack ×1
500 mV(rms) (-4 dBs), Low impedance, RCA pin jack ×1
Headphone Jack 3.5 mm mini jack ×1
Remote Control Unit RM-C360GY (Battery size : AA / R6 / UM-3 ×2)

(No.YA370)1-7
3.2 MEMORY IC REPLACEMENT
• This model uses the memory IC.
• This memory IC stores data for proper operation of the video and drive circuits.
• When replacing, be sure to use an IC containing this (initial value) data.
3.2.1 MEMORY IC REPLACEMENT PROCEDURE
1. Power off
Switch off the power and disconnect the power plug from the
AC outlet.
2. Replace the memory IC
Be sure to use the memory IC written with the initial setting
values.
3. Power on
Connect the power plug to the AC outlet and switch on the
power.
4. System constant check and setting
• It must not adjust without adjustment signals.
(1) Press the [DISPLAY] key and the [PICTURE MODE]
key of the REMOTE CONTROL UNIT simultaneously.
(2) The SERVICE MENU screen of Fig. 1 will be displayed.
(3) While the SERVICE MENU is displayed, again press the
[DISPLAY] key and [PICTURE MODE] key
simultaneously, and the SYSTEM CONSTANT SET
screen of Fig. 2 will be displayed.
(4) Check the setting values of the SYSTEM CONSTANT
SETTING. If the value is different, select the setting item
with the [MENU /]key, and set the correct value with
the [MENU - / +] key.
(5) Press the [DISPLAY] key twice, and return to the normal
screen.
5. Receiving channel setting
Refer to the OPERATING INSTRUCTIONS and set the
receive channels (Channels Preset) as described.
6. User settings
Check the user setting items according to the given in page
later.
Where these do not agree, refer to the OPERATING
INSTRUCTIONS and set the items as described.
7. SERVICE MENU setting
Verify what to set in the SERVICE MENU, and set whatever is
necessary (Fig.1).
Refer to the SERVICE ADJUSTMENT for setting.
Fig.1
Fig.2
POWER
123
456
789
RETURN+0-/--
PICTURE
MODE
SYSTEM
COLOUR
TV/VIDEO
CHANNEL
SCAN
OFF
TIMER
DISPLAY
MENU
CHANNEL VOLUME
MUTING
SOUND
MENU
PICTURE
MODE key
MENU
/ key
DISPLAY key
MENU
- / + key
NUMBERS
key
KEY ASSIGNMENT OF REMOTE CONTROL UNIT
SERVICE MENU
1.IF 2.V/C
3.DEF 4.VSM PRESET
5.PRESET
6.SETUP TOUR OFF
1-6 : SELECT DISP : EXIT
************ **.***
*** ** **** ***
COLOUR : TRIPLE
BILINGUAL : NO
TUNER : MU
ECO SENSOR : NO
LANGUAGE : E/R/U
SYSTEM CONSTANT SET 1
: SELECT
- / + : OPERATE DISP : EXIT
/
B/B SOUND : OFF
LOCK : 180
COLOUR AUTO : NO
QSS : MINT
ALC : NO
TEXT RATE : 20
SYSTEM CONSTANT SET 2
: SEL - / + : OPE DISP : EXIT
/
AMP TUNER : NO
VNR : YES
TEXT TABLE : CYL
VOLUME PWM : POS
SYSTEM CONSTANT SET 3
: SEL - / + : OPE DISP : EXIT
/
SYSTEM CONSTANT- I
SYSTEM CONSTANT- II
SYSTEM CONSTANT- III

1-8 (No.YA370)
3.2.2 SETTINGS OF FACTORY SHIPMENT
3.2.2.1 BUTTON OPERATION
3.2.2.2 REMOTE CONTROL DIRECT OPERATION
3.2.2.3 REMOTE CONTROL MENU OPERATION
(1) MENU-1
(2) MENU-2
(3) MENU-3
(4) MENU-4
3.2.3 SYSTEM CONSTANT SETTING
Setting item Setting position
POWER Off
CHANNEL PR1
VOLUME 10
Setting item Setting position
CHANNEL PR1
VOLUME 10
TV/VIDEO TV
PICTURE MODE BRIGHT
COLOUR SYSTEM PAL
SOUND SYSTEM B/G
Setting item Setting position
INPUT TV
ON TIMER PR1 0:00
VNR OFF
Setting item Setting position
AUTO SHUTOFF OFF
CHILD LOCK OFF
BLUE BACK OFF
Setting item Setting position
SETUP TOUR ON
LANGUAGE ENGLISH
Setting item Setting position
BRIGHT STANDARD SOFT
TINT 15 15 15
COLOUR 15 15 15
BRIGHT 15 15 15
CONT. 30 15 13
SHARP 15 15 12
Setting item Setting value
AV-1406FE AV-14146/N AV-14149/N AV-14F16
AV-14FMG6/G AV-14FMG6/S
COLOUR TRIPLE ←←←MULTI ←
BILINGUAL NO ←←←←←
TUNER MU ←←←←←
ECO SENSOR NO ←←←←←
LANGUAGE E / R / U E / C / M / I ←←E / R / A / P ←
B/B SOUND OFF ←←←←ON
LOCK 180 ←←←←←
COLOUR AUTO NO ←←←←YES
QSS MINT ←←←←←
ALC NO ←←←←←
TEXT RATE 20 ←←←←←
AMP TUNER NO ←←←←←
VNR YES ←←←←←
TEXT TABLE CYL ←←←←←
VOLUM PWM POS ←←←←←

(No.YA370)1-9
3.2.4 SERVICE MENU SETTING ITEMS
3.2.5 REPLACEMENT OF IC301 (IF V/C DECODER)
•For the IC301(IF V/C DECODER) of this model, all data are written in the micro-computer. So, write the data in the micro-
computer in accordance with the following procedures before starting adjustment.
PROCEDURES
(1) Turn the POWER OFF.
(2) Replace the IC301 with a new one.
(3) While pressing [MENU] button and [VOL+] button ON the FRONT CABINET simultaneously, turn the POWER ON. When the
POWER is turned ON, the data is written in the micro-computer immediately.
LOCATIONS OF FRONT PANEL BUTTONS
Setting item Setting value Setting item Setting value
2. V/C 1.CUT OFF
2.DRIVE
3.BRIGHT
4.CONT.
5.COLOUR
6.TINT
7.SECAM BL ADJUST
8.SHARP [Do not adjust]
5. PRESET
[Do not adjust]
Colour System 1. C-TRAP FIX
2. SHARP PEAK
3. ABL
4. GAMMA
5. Y. DELAY TIME
6. BLACK EXP START
7. C-BPF
8. CW / SCP
9. VIF DET LEVEL
11. IF AGC MIN
12. VIF AGC
13. VIF PMOD
19. VNR
20. RGB LIM
21. RGB LIMIT LEVEL
23. TEXT H. POSITION
24. READ DATA
3. DEFLECTION 1. VER. POSITION
2. HOR. POSITION
3. VER. HEIGHT
4. VER. LINEARITY
5. VER. SCURVE
6. HOR. VCO ADJUST [Do not adjust]
4.VSM PRESET TINT
COLOUR
BRIGHT
CONT.
SHARP
Sound System 10. SIF DET LEVEL
14. SIF BPF BW ADJUST
15. SIF TRAP F0 ADJUST
16. SIF TRAP F0 ADJUST 2
17. SIF -TRAP
18. SIF -BPF
22. SIF SW
VOLUME + POWERMENU

(No.YA370)1-13
4.6 BASIC OPERATION OF SERVICE MENU
4.6.1 TOOL OF SERVICE MENU OPERATION
Operate the SERVICE MENU with the REMOTE CONTROL UNIT.
4.6.2 SERVICE MENU ITEMS
With the SERVICE MENU, various adjustments can be made, and they are broadly classified in the following items of settings.
4.6.3 HOW TO ENTER THE SERVICE MENU
Press the [DISPLAY] key and the [PICTURE MODE] key of
the REMOTE CONTROL UNIT simultaneously. Then enter the
SERVICE MENU mode as shown in Fig.1.
Fig.1
4.6.4 HOW TO STORE OF SETTING VALUE
The setting value will be stored automatically when release the
REMOTE CONTROL UNIT keys
4.6.5 HOW TO EXIT THE SERVICE MENU
When complete the adjustment work, press the [DISPLAY]
key to return to the SERVICE MENU. And then press the
[DISPLAY] key again, return to the normal screen.
4.6.6 SELECTION OF SUB MENU SCREEN
Press one of [1] to [5] keys of the REMOTE CONTROL UNIT
and select the SUB MENU SCREEN form the SERVICE
MENU.
1.IF Adjustment of the IF circuits.
2.V/C Adjustment of the VIDEO circuit.
3.DEF Adjustment of the DEFLECTION circuit.
4.VSM PRESET Adjustment of the initial setting values of VSM condition as STANDARD, SOFT and BRIGHT.
5.PRESET Adjustment of the RF circuit [Do not adjust].
6.SETUP TOUR It should be able to select mode (LANGUAGE and AUTO CH PRESET) [Should be OFF].
SERVICE MENU
1.IF 2.V/C
3.DEF 4.VSM PRESET
5.PRESET
6.SETUP TOUR OFF
1-6 : SELECT DISP : EXIT
************ **.***
*** ** **** ***
POWER
123
456
789
RETURN+0-/--
PICTURE
MODE
SYSTEM
COLOUR
TV/VIDEO
CHANNEL
SCAN
OFF
TIMER
DISPLAY
MENU
CHANNEL VOLUME
MUTING
SOUND
MENU
PICTURE
MODE key
MENU
/ key
DISPLAY key
MENU
- / + key
NUMBERS
key
SERVICE MODE SELECT KEY

1-14 (No.YA370)
4.6.7 METHOD OF SETTING
1. IF
[1. VCO]
[2. DELAY POINT]
NOTE:
When the setting value has been changed, the new value will be stored in memory immediately.
2. V/C, 3. DEF and 4. VSM PRESET
NOTE:
When the setting value has been changed, the new value will be stored in memory immediately.
5. PRESET (Do not adjust)
6. SETUP TOUR
(1) [1] key Select 1. IF.
(2) [1] key Select 1. VCO.
(3) [MENU /]keys Select setting items.
(4) [MENU - / +] keys Adjust the values of the items.
(5) [DISPLAY] key As you press this key twice, you will return to the SERVICE MENU.
(1) [1] key Select 1. IF.
(2) [2] key Select 2. DELAY POINT.
(3) [MENU - / +] keys Set (adjust) the setting values of the setting items.
(4) [DISPLAY] key When this is pressed twice, you will return to the SERVICE MENU.
(1) [2] to [4] keys Select one from 2. V/C,3. DEF and 4. VSM PRESET.
(2) [MENU /]keys Select setting items.
(3) [MENU - / +] keys Adjust the values of the items.
(4) [DISPLAY] key When this is pressed, return to the SERVICE MENU.
(1) By pressing the [6] key, you can change the ON or OFF [should be OFF].
Should be OFF:
If it is ON, when you turn off the power and turn on a power again, the JVC’s logo will be shown
about 15 seconds automatically, and the SETUP TOUR starts.
(2) [MENU - / +] keys Select Language.
(3) [MENU ]key Auto Search.

(No.YA370)1-15
4.6.8 SERVICE MENU FLOW CHART
SERVICE MENU
IF
1. VCO
2. DELAY POINT
1-2 : SELECT DISP : EXIT
1. IF
VCO (CW) ***.** MHz
TOO HIGH
ABOVE REFERENCE
JUST REFERENCE
BELOW REFERENCE
TOO LOW
AFT ADJUST *** (**)
VCO ADJUST *** (**)
FINE
DISP : EXIT
DELAY POINT UHF
AGC TAKE-OVER
**
- / + : OPERATE DISP : EXIT
6. SETUP TOUR OFF
BRIGHT
TINT **
COLOUR **
BRIGHT **
CONT. **
SHARP **
- / + : OPERATE DISP : EXIT
4. VSM PRESET
/ : SELECT
DEF PAL
- / + : OPERATE DISP : EXIT
3. DEF
/ : SELECT
50Hz
1. VER. POSITION **
V/C PAL
1. CUTOFF (R) * **
(G) * **
(B) * **
- / + : OPERATE DISP : EXIT
50Hz
2. V/C
/ : SELECT
PRESET PAL
1. C-TRAP FIX *
- / + : OPERATE DISP : EXIT
50Hz B/G
5. PRESET
/ : SELECT
SERVICE MENU
1.IF 2.V/C
3.DEF 4.VSM PRESET
5.PRESET
6.SETUP TOUR OFF
1-6 : SELECT DISP : EXIT
************ **.***
************ **.***
*** ** **** ***
ON / OFF
(By pressing [6] key)

1-16 (No.YA370)
4.7 INITIAL SETTING VALUE OF SERVICE MENU
•Adjustment of the SERVICE MENU is made on the basis of the initial setting values ; however, the new setting values which
set the screen in its optimum condition may differ from the initial setting.
•Do not change the initial Setting Values of the Setting (Adjustment) items not listed in "ADJUSTMENT PROCEDURE".
[2. V/C]
[3. DEFLECTION]
[4.VSM PRESET]
Setting item Variable range Initial setting value
PAL SECAM NTSC 3.58 NTSC 4.43
1.CUT OFF RED -128 - [phone]
GREEN -128 - [phone]
BLUE -128 - [phone]
2.DRIVE RED -128 - +127 +0 +0 +0 +0
BLUE -128 - +127 +0 +0 +0 +0
3.BRIGHT -128 - +127 +0 +0 +0 +0
4.CONT. -63-+63+0+0+0+0
5.COLOUR -63 - +63 +0 +0 +0 0
6.TINT TV -63 - +63 --- --- +0 0
VIDEO -63 - +63 --- --- +0 0
7.SECAM BL ADJUST -31 - +31 +0 +0 +0 +0
8.SHARP
(Do not adjust)
TV -31 - +31 -17 (Fixed) -17 (Fixed) -17 (Fixed) -17 (Fixed)
VIDEO -31 - +31 +10 (Fixed) +10 (Fixed) +10 (Fixed) +10 (Fixed)
Setting item Variable range Initial setting value
fv : 50Hz fv : 60Hz
1. VER. POSITION -4 - +3 +0 -3
2. HOR. POSITION -16 - +15 +1 +4
3. VER. HEIGHT -64 - +63 -20 -2
4. VER. LINEARITY -32 - +31 +15 +0
5. VER. SCURVE -32 - +31 -32 +0
6. HOR. VCO ADJUST [Do not adjust] -63 - +63 -32 +0
Setting item Variable range Initial setting value
BRIGHT STANDARD SOFT
TINT 0 - 30 15 15 15
COLOUR 0 - 30 15 15 15
BRIGHT 0 - 30 15 15 15
CONT. 0 - 30 30 15 13
SHARP 0 - 30 15 15 12

(No.YA370)1-17
[5. PRESET]
The items in the following table, it is no requirement for adjustment.If values had changed by the miss operation, set the
initial setting values in the following table.
zCOLOUR SYSTEM (Do not adjust)
zSOUND SYSTEM (Do not adjust)
Setting item Variable range Initial setting value (Fixed value)
PAL SECAM NTSC 3.58 NTSC 4.43
1. C TRAP FIX 0 - 1 1 1 1 1
2. SHARP PEAK 0 - 1 0 0 0 0
3.ABL 0-11111
4. GAMMA 0 - 1 0 0 0 0
5. Y. DELAY TIME TV 0 - 3 0 2 2 3
VIDEO 0-30202
6. BLACK EXP START 0 - 3 3 3 3 3
7.C-BPFTV 0-11100
VIDEO 0-11111
8. CW / SCP 0 - 1 0 0 0 0
9. VIF DET LEVEL -63 - +63 +0 +0 +0 +0
11. IF AGC MIN 0 - 1 0 0 0 0
12. VIF AGC 0 - 1 0 0 0 0
13. VIF PMOD 0 - 1 0 0 0 0
19. VNR 0 - 63 15 15 15 15
20. RGB LIM 0 - 1 1 1 1 1
21. RGB LIMIT LEVEL 0 - 7 2 2 2 2
23. TEXT H. POSITION -16 - +15 -3 -3 -3 -3
24. READ DATA --- --- --- --- ---
Setting item Variable range Initial setting value (Fixed value)
B/G I D/K M
10. SIF DET LEVEL -7 - +7 +0 +0 +0 +0
14. SIF BPF BW ADJUST -7 - +7 +0 +0 +0 +0
15. SIF TRAP FO ADJUST -7 - +7 +0 +0 +0 +0
16. SIF TRAP FO ADJUST 2 -7 - +7 +0 +0 +0 +0
17.SIF-TRAP 0-10000
18.SIF-BPF 0-10001
22.SIFSW 0-11110

1-18 (No.YA370)
4.8 ADJUSTMENT PROCEDURE
4.8.1 CHECK ITEM
4.8.2 TUNER / IF CIRCUIT
Item Measuring
instrument Test point Adjustment part Description
B1 VOLTAGE Signal
generator
DC voltmeter
TP-B1 : 1-pin
TP-E : 5-pin
(S1 connector)
[MAIN PWB]
(1) Receive a whole black signal.
(2) Connect a DC voltmeter to 1-pin and 5-pin of S1
connector.
(3) Make sure that the voltage is DC116.2V±2.0V.
Item Measuring
instrument Test point Adjustment part Description
IF VCO Signal
generator
Remote
control unit
[1. IF]
1. VCO
• Please use signal generator which is correct proof about
the sending frequency.
(1) Receive any broadcast.
(2) Select 1.IF from the SERVICE MENU.
(3) Select < 1.VCO >.
(4) Select VCO ADJUST with [MENU /]key.
(5) Press [MENU - / +] keys until the colour of the
characters TOO HIGH changes blue to yellow. Then
gradually press the [MENU - / +] keys until the TOO
LOW changes yellow. At this time, confirm that the
value of VCO ADJUST is near +00.
(6) Select AFT ADJUST with [MENU /]key.
(7) Press [MENU - / +] keys until the characters JUST
REFERENCE changes blue to yellow.
(8) Press the [DISPLAY] key three times to return to
normal screen.
VCO (CW) ***.** MHz
TOO HIGH
ABOVE REFERENCE
JUST REFERENCE
BELOW REFERENCE
TOO LOW
AFT ADJUST ***(**)
FINE
DISP : EXIT
VCO ADJUST ***(**)
YELLOW
ADJUSTMENT AT THIS POINT
IS USELESS
ABOVE REFERENCE
TOO HIGH
BELOW REFERENCE
JUST REFERENCE
TOO LOW
ADJUSTMENT POINT

(No.YA370)1-19
4.8.3 FOCUS
DELAY POINT
(AGC)
Signal
generator
Remote
control unit
[1. IF]
2. DELAY POINT
(AGC TAKE-OVER)
(1) Receive a black and white signal (colour off).
(2) Select 1. IF.
(3) Select < 2. DELAY POINT >.
(4) Set the setting values of the setting items as shown
bellow table.
(5) Then adjust the [MENU - / +] keys until video noise
disappears.
(6) Turn to other channels and make sure that there are
no irregularities.
Item Measuring
instrument Test point Adjustment part Description
DELAY POINT UHF
AGC TAKE-OVER **
- / + : OPERATE DISP : EXIT
Setting Item Variable range Initial setting value
45
35
DELAY POINT
(AGC TAKE-OVER) 0 - 127
NTSC3.58
OTHER
Item Measuring
instrument Test point Adjustment part Description
FOCUS Signal
generator
FOCUS VR
[In HVT]
(1) Receive a crosshatch signal.
(2) While watching the screen, adjust the FOCUS VR to
make the vertical and horizontal lines as fine and
sharp as possible.
(3) Make sure that when the screen is darkened, the
lines remain in good focus.

1-20 (No.YA370)
4.8.4 DEFLECTION CIRCUIT
• There are 2 modes of adjustment (setting value) 50Hz mode and 60Hz mode, depending upon the kind of signals (vertical frequency
50Hz / 60Hz).
• When adjusted in 50Hz mode and 60Hz mode will be automatically set.
The setting (adjustment) using the REMOTE CONTROL UNIT is made on the basis of the initial setting values.The setting
values which adjust the screen to the optimum condition can be different from the initial setting values.
• Make sure that the adjustment is properly done on the screen of 60Hz mode.
NOTE:
• Adjust to make both 50Hz & 60Hz are the same v. size and fine straight line.
• When adjust again, adjust 50Hz mode first.
• When adjust in 60Hz mode, only 60Hz mode is adjust.
Item Measuring
instrument Test point Adjustment part Description
V. HEIGHT /
V. POSITION
Signal
generator
Remote
control unit
[3. DEF]
1. VER. POSITION
3. VER. HEIGHT
(1) Receive a crosshatch signal.
(2) Select 3. DEF from the SERVICE MENU.
(3) Select < 1. VER. POSITION >.
(4) Set the initial setting value of < 1. VER. POSITION >.
(5) Adjust < 1. VER. POSITION > to agree the vertical
centre with display centre.
(6) Select <3. VER. HEIGHT >.
(7) Set the initial setting value of <3. VER. HEIGHT >.
(8) Adjust <3. VER. HEIGHT > to make the vertical
screen size 92% of the picture size.
Fig.1
H. POSITION Signal
generator
Remote
control unit
[3. DEF]
2. HOR. POSITION
(1) Receive a circle pattern signal.
(2) Select 3. DEF from the SERVICE MENU.
(3) Select < 2. HOR. POSITION >.
(4) Set the initial setting value of < 2. HOR. POSITION >.
(5) Adjust <2.HOR. POSITION> to be equal the width of
(A) and (B) as shown in Fig.2.
Fig.2
V.LINEARITY /
V.S-CURVE
Signal
generator
Remote
control unit
[3. DEF]
4. VER. LIN.
5. VER. SCURVE
• When the vertical linearity has been deteriorated
remarkably, perform the following steps.
(1) Receive a crosshatch signal.
(2) Select 3. DEF from the SERVICE MENU.
(3) Select < 4. VER. LIN. >.
(4) Set the initial setting value of < 4. VER. LIN. >.
(5) Select < 5. VER. SCURVE >.
(6) Set the initial setting value of < 5. VER. SCURVE >.
(7) Adjust < 4. VER. LIN. > and < 5. VER. SCURVE >
so that the spaces of each line as shown in Fig.3 on
TOP, CENTRE and BOTTOM become uniform.
Fig.3
Screen
size
Picture
size
100%
(A) (B)
Top
Centre
Bottom

(No.YA370)1-21
4.8.5 VIDEO CIRCUIT
The setting (adjustment) using the REMOTE CONTROL UNIT is made on the basis of the initial setting values. The setting
values which adjust the screen to the optimum condition can be different from the initial setting values. Do not change the
initial setting values of the setting items not listed in "ADJUSTMENT PROCEDURE".
Item Measuring
instrument Test point Adjustment part Description
WHITE
BALANCE
(LOW LIGHT)
Signal
generator
Remote
control unit
[2.V/C]
1. CUT OFF (R)
1. CUT OFF (G)
1. CUT OFF (B)
SCREEN VR
[IN HVT]
(1) Receive a black and white signal (colour off).
(2) Select 2. V/C from the SERVICE MENU.
(3) Select < 1. CUT OFF >.
(4) Set the initial setting value of < 1. CUT OFF >.
(5) Press the [1] key to show the single horizontal line
on screen.
(6) Turn the SCREEN VR fully counter-clockwise, then
slowly turn it clockwise to where one of a red, blue or
green colour is faintly visible.
(7) Adjust the two colors which did not appear until the
single horizontal line that is displayed becomes
white using the [4] to [9] keys.
(8) Turn the SCREEN VR to where the single horizontal
line glows faintly.
(9) Press the [2] key to turn off the single horizontal line.
(10) Press the [DISPLAY] key twice to return to the nor-
mal screen.
WHITE
BALANCE
(HIGH LIGHT)
Signal
generator
Remote
control unit
[2.V/C]
2. DRIVE (R)
2. DRIVE (B)
(1) Receive a black and white signal (colour off).
(2) Select 2. V/C from the SERVICE MENU.
(3) Select < 2. DRIVE >.
(4) Set the initial setting value of < 2. DRIVE >.
(5) Adjust the screen until it becomes white using the
[4],[6],[7] and [9] keys.
(6) Press the [DISPLAY] key twice to return to the nom-
al screen.
SUB BRIGHT Remote
control unit
[2. V/C]
3. BRIGHT
(1) Receive any broadcast.
(2) Select 2. V/C from the SERVICE MENU.
(3) Select < 3. BRIGHT >.
(4) Set the initial setting value of < 3. BRIGHT >.
(5) If the brightness is not the best with the initial setting
value, make fine adjustment until you get the best
brightness.
SUB
CONTRAST
Remote
control unit
[2. V/C]
4. CONT.
(1) Receive any broadcast.
(2) Select 2. V/C from the SERVICE MENU.
(3) Select < 4. CONT >.
(4) Set the initial setting value of < 4. CONT >.
(5) If the contrast is not the best with the initial setting
value, make fine adjustment until you get the best
contrast.
123
CUTOFF ON
(H.LINE ON)
CUTOFF OFF
(H.LINE OFF)
RG B
G.CUTOFF( )
B. CUTOFF( )
B. CUTOFF( )
G.CUTOFF( )
456
789
KEY ASSIGNMENT OF REMOTE CONTROL UNIT
R. CUTOFF( )
R. CUTOFF( )
123
R B
456
789
KEY ASSIGNMENT OF REMOTE CONTROL UNIT
B. DRIVE( )R. DRIVE( )
R. DRIVE( ) B. DRIVE( )

1-22 (No.YA370)
SUB COLOUR Remote
control unit
[2. V/C]
5. COLOUR
(PAL / SECAM / NTSC)
[Method of adjustment without measuring instrument]
PAL COLOUR
(1) Receive a PAL broadcast.
(2) Select 2. V/C from the SERVICE MENU.
(3) Select < 5. COLOUR >.
(4) Set the initial setting value of < 5. COLOUR >.
(5) If the colour is not the best with the initial setting
value, make fine adjustment until you get the best
colour.
SECAM COLOUR
(1) Receive a SECAM broadcast.
(2) Make fine adjustment of SECAM COLOUR as
previously.
NTSC 3.58 COLOUR
(1) Receive a NTSC 3.58MHz broadcast.
(2) Make similar fine adjustment of NTSC 3.58
COLOUR as previously.
NTSC 4.43 COLOUR
(1) When NTSC 3.58 adjustment completed, NTSC
4.43 will be automatically set at the respective
values.
Signal
generator
Oscilloscope
Remote
control unit
TP-47G/R
TP-E
[CRT SOCKET
PWB]
[2. V/C]
5. COLOUR
(PAL / SECAM / NTSC)
[Method of adjustment using measuring instrument]
PAL COLOUR
(1) Receive a PAL full field colour bar signal (75%
white).
(2) Select 2. V/C from the SERVICE MENU.
(3) Select < 5. COLOUR >.
(4) Set the initial setting value of < 5. COLOUR >.
(5) Connect the oscilloscope between TP-47G/R and
TP-E.
(6) Adjust PAL COLOUR to bring the value of (A) in
the voltage table.
SECAM COLOUR
(1) Receive a SECAM full field colour bar signal (75%
white).
(2) Set the initial setting value of SECAM COLOUR .
(3) Adjust SECAM COLOUR to bring the value of (A)
in the voltage table.
NTSC 3.58 COLOUR
(1) Receive a NTSC 3.58 full field colour bar signal
(75% white).
(2) Set the initial setting value of NTSC 3.58
COLOUR.
(3) Adjust NTSC 3.58 COLOUR to bring the value of
(A) in the voltage table.
NTSC 4.43 COLOUR
(1) When NTSC 3.58 is set, NTSC 4.43 will be
automatically set at the respective values.
Item Measuring
instrument Test point Adjustment part Description
WY
C
G
MR
B
(A)
0V
(+)
Voltage setting (A)
PAL SECAM NTSC3.58
+9.5V
+9.5V
+11V
+11V
+12V
(VIDEO)
+11V
(RF)
+11V
(RF)
NTSC4.43
AV-1406FE
AV-14F16
AV-14146/N
AV-14149/N
+12V
(VIDEO)
AV-14FMG6/G
AV-14FMG6/S
MODEL

(No.YA370)1-23
SUB TINT Signal
generator
Remote
control unit
[2. V/C]
6. TINT
[Method of adjustment without measuring instrument]
NTSC 3.58 TINT
(1) Receive a NTSC 3.58 full field colour bar signal
(75% white).
(2) Select 2. V/C from the SERVICE MENU.
(3) Select < 6. TINT >.
(4) Set the initial setting value of < 6. TINT >.
(5) If you cannot get the best tint with the initial setting
value, make fine adjustment until you get the best
tint.
NTSC 4.43 TINT
(1) When NTSC 3.58 is set, NTSC 4.43 will be
automatically set at the respective values.
Signal
generator
Oscilloscope
Remote
control unit
TP-47G/R
TP-E
[CRT SOCKET
PWB]
[2. V/C]
6. TINT
[Method of adjustment using measuring instrument]
NTSC 3.58 TINT
(1) Receive a NTSC 3.58 full field colour bar signal
(75% white).
(2) Select 2. V/C from the SERVICE MENU.
(3) Select < 6. TINT >.
(4) Set the initial setting value of < 6. TINT >.
(5) Connect the oscilloscope between TP-47G/R and
TP-E.
(6) Adjust NTSC 3.58 TINT to bring the value of (B)
in the voltage table in the left.
NTSC 4.43 TINT
(1) When NTSC 3.58 is set, NTSC 4.43 will be
automatically set at the respective values.
Item Measuring
instrument Test point Adjustment part Description
W
Y
C
G
MR
B
(B)
0V
(-)
(+)
Voltage setting (B)
NTSC3.58
+10V
(VIDEO)
+8.5V
(RF)
+8.5V
(RF)
NTSC4.43
AV-1406FE
AV-14F16
AV-14146/N
AV-14149/N
+10V
(VIDEO)
AV-14FMG6/G
AV-14FMG6/S
MODEL

1-24 (No.YA370)
4.8.6 VSM PRESET SETTING
SECTION 5
TROUBLESHOOTING
This service manual does not describe TROUBLESHOOTING.
SECAM BLACK
OFFSET
Signal
generator
Remote
control unit
[2. V/C]
7. SECAM BL ADJUST
(1) Input a SECAM full field colour bar signal.
(2) Select 2. V/C from the SERVICE MENU.
(3) Select < 7. SECAM BL ADJUST >.
(4) Set the initial setting value of < 7. SECAM BL
ADJUST >.
(5) Switch the [1] key (colour OFF) and [2] key (colour
ON) and make sure that there is no colour on the
black and white screen.
(6) If the black and white screen is not best with the
initial setting value, make fine adjustment until you
get the best black and white screen.
(7) While watching the screen, adjust the value to be the
same colour between ON & OFF by [1] or [2] key.
(8) Press the [DISPLAY] key twice to return to the
normal screen.
Item Measuring
instrument Test point Adjustment part Description
Item Measuring
instrument Test point Adjustment part Description
VSM PRESET Remote
control unit
[4. VSM PRESET]
TINT
COLOUR
BRIGHT
CONT.
SHARP
(1) Select 4. VSM PRESET from the SERVICE MENU.
(2) Set the PICTURE MODE to BRIGHT.
(3) Select < TINT >.
(4) Set the initial setting value of < TINT > as shown in
the below table.
(5) Select < COLOUR > to < SHARP > in turn, and set
the values.
(6) Respectively select the "SOFT" and "STANDARD".
Make similar adjustment as same step as above.
TINT
COLOUR
BRIGHT
CONT.
SHARP
VSM PRESET
VSM PRESET
Setting item BRIGHT
15
15
15
30
15
STANDARD SOFT
15 13
12
BRIGHT
/ : SELECT
- / + : OPREATE DISP : EXIT
TINT **
COLOUR **
BRIGHT **
CONT. **
SHARP **

2-4(No.YA370)(No.YA370)2-3
MAIN PWB(1/2)
MAIN PWB(2/2)
REAR OUT VIDEO
AUDIO
AC IN
LF901
POWER SW
IF
SCREEN
EHV
9V OUT
AUDIO OUT
SAW
STB_PW
LED(TIM)
REMOCON
V OUT
H OUT
G OUT
R OUT
B OUT
EXT
RGB/YS
VIDEO IN
VIDEO OUT
AUDIO IN
AUDIO OUT
SCL/SDA
SCL/SDA
SCL/SDA
5V OUT
B1
FOCUS
TU001
TUNER
SPEAKER L
SPEAKER R
HEAD
PHONE
REMOCON
RECEIVER
POWER LED
TIMER LED
CRT
(V)
(H)
DEF YOKE
IC702
MEMORY
Q102
IF AMP
SF102
SAW FILTER
IC921
POWER
REG.
IC971
9V REG.
IC972
5V REG.
IC421
V OUT
Q522
H OUT
Q521
H DRIVE
D901
T522
FBT
R OUT
Q351
G OUT
Q352
B OUT
Q353
IC701
MICRO COMPUTER IC301
1CHIP DECODER
IC651
AUDIO AMP
IC703
5V REG.& RESET
T921
SW
TRANSF.
REAR IN VIDEO
AUDIO
FRONT IN VIDEO
AUDIO
BLOCK DIAGRAM

(No.YA370)2-5 2-6(No.YA370)
MODE DC (V)
PIN NO.
MODE DC (V)
PIN NO.
IC301
1 0.0
2 4.4
3 6.3
4 3.4
5 0.0
6 5.0
7 5.0
8 5.5
9 9.0
10 3.0
11 3.0
12 3.0
13 0.0
14 2.8
15 4.2
16 9.0
17 3.8
18 2.8
19 2.8
20 0.0
21 0.0
22 0.0
23 4.4
24 3.2
25 3.0
26 3.5
27 4.2
28 3.7
29 4.1
30 3.9
31 4.2
32 4.2
33 9.0
34 4.0
35 4.7
36 4.0
37 6.1
38 4.2
39 4.3
40 2.7
41 6.2
42 1.0
43 3.7
44 3.9
45 1.2
46 3.1
47 5.4
48 5.0
49 0.7
50 0.0
51 4.4
52 0.7
IC651
1 12.5
2 5.6
3 0.0
4 2.4
5 9.4
6 9.6
7 0.0
8 9.7
9 19.9
IC701
1 4.5
2 4.9
3 0.0
4 0.0
5 0.0
6 4.9
7 4.9
8 2.3
9 3.0
10 4.9
11 0.0
12 0.0
13 2.4
14 0.1
15 1.8
16 1.8
17 0.0
18 0.8
19 0.0
20 4.9
21 4.9
22 4.9
23 4.9
24 2.3
25 4.9
26 0.0
27 4.1
28 4.9
29 0.0
30 0.0
31 0.0
32 0.0
33 0.0
34 4.9
35 4.7
36 4.9
37 4.4
38 4.4
39 4.9
40 0.0
41 2.1
42 0.0
IC702
1 0.0
2 0.0
3 0.0
4 0.0
5 4.9
6 4.9
7 0.0
8 4.9
IC703
1 14.4
2 5.8
3 0.0
4 4.9
5 4.9
IC704
1 4.5
2 4.9
3 0.0
Q102
E 0.0
C 9.0
B 2.3
Q103
E 0.0
C 0.0
B 4.0
Q161
E 2.5
C 8.3
B 3.2
Q301
E 4.6
C 0.0
B 4.0
Q302
E 4.0
C 9.0
B 4.6
Q651
E 0.0
C 0.3
B 0.0
Q652
E 0.0
C 1.0
B 0.6
Q653
E 15.1
C 0.0
B 15.2
Q702
E 0.0
C 4.2
B 0.0
Q703
E 0.0
C 4.8
B 0.1
Q708
E 0.0
C 2.0
B 0.0
Q710
E 0.0
C 0.1
B 0.0
Q803
E 0.0
C 8.1
B 4.7
Q804
E 0.0
C 0.0
B 0.1
TU001
1 4.6
2 NC
3 0.0
4 4.4
5 0.0
6 4.5
7 4.9
8 0.0
9 31.3
10 NC
11 0.0
C721
R714
R771
C729
R720
K704
C719
Y705
D704
R773 D705
R772
D706
R736
D501
C712
R721 R726 R730
R728
Q703
R748
C738
K703
C710 Q702
S704
S701
C709
IC704
S702
S703
C658
R727
S705
R729
R731
R706
C724
C722
R738 R739
R707
R718
R713
R712
R742
IC701
C725
CN0S5
C720
C711
R734
Y001
C723
IC702
C728
C730
C114
D707
IC703
C706
C707
C663
C652
Y002
C705
R746
Y301
R701
R327
R749
Y654
R815
J003
J002
J004
Q708
R806
R740
R741
D731
C811
R811
C805
C812
Q804
R807
R802
R702
R817
Q803
C806
R816
R301
R302
C341
C306
C304
C303
C367
D341
C305
C119
C324
C315
Q302
C120
C314
R307 C503 C502
C316
R401
C317
TU001
C323
R161
Q301
C166
R321
L104
Y653
Y655
C744
R160
X302
C321
R322
C322
R323
R325
R324
D301
Y302
R326D302
C161
CF161
R341
IC651
R653
Q710
C162
R797
D655
C401
C313
Y976
Y975
C307
C301
R158
SF122
SF101
IC301
C121
X301
C366
R308
C309 R503 C308
C365
C302
R103
CN00T
C112
C113
C117
R159
R306
C402
C109
C108
D102
Q102
R116
R111
R115R117
C105
C111
L101
R113
C110
R114 R109
C106
R110
C103
C107
CF102
C104
CF103
R112
R118
Q103
R001
C164
C009
R002
C007
D001
C006
C001
C002
R004
R003
C005
K001
C008
L002
R163
C653
CN0S3
C659
CN0S4
R666
R665
R656
C664
D654
R667
R668
D652 D651
D701
C655
R654
C656
R657
R658
D653
Q651 C651
R810
R651
R660 C654
R659
R374
J005
R102
R165
Q161
R166
C841
D305
C842
C701
SF102
C325
R662 R661
PC701
Q709
R703
D656
C657
C437
LB
X701
IC001
Q653
L001
C004
C003
CF162
Y160
J006
R655
D657
Q652
C665
D306
C504
R652
R664
H006
Y161
C731
L701
C713 C736
C735 C734
R737
C733
C732
K701 C717 R709 R710 R711
R725
C716
R715
R716
C718
R708
C708
D303
R750
R303
R120
L103
R121
C311 R314
C501
R502
R312
C310
R501
R313
R796
R304 R305
C122
C326 C115
C116
R723
C312
ABL
9V
V_SYNC
H_OUT H_VCC
FBP
V_OUT
A.PROT
P_ON/OFF
X_RAY
5V
A_VCC A_GND
STB_PW
32V
R162 R164
C165
CP701
R719
C726
.033
4.7k
820
180p
4.7k
BW
1/50
BW
X
820
X
82k
*6
.01
10k 4.7k 10K
1k
*1
100
X
BW
100/16 *1
.01
220/25
15k
1k
4.7k
560
150p
100p
10k 10k
560
560
4.7k
4.7k
56k
*
X
X
.01
.01
X
X
X
180p
.01
X
*4
.01
.01
.001
.047
BW
470/16
10k
x
X
4.7M
4.7k
BW
180
*3
270
3.9k
560
*4
10/50
220
220/16
X
*1
68
75
X
4.7k
470/16
680
220
4.7k
10/50
.01
.47/50
10p
1/50
*4
.47/50
.47/50
10/50
100/16
*1
120p
.01
1.2k 10/50 .01
10/50
10k
.047/25 0.47/50
X
*2
X
1.5k
X
BW
X
.01
X
12p
2.7k
.027/25
10k
X
1k
*5
0
100*5
X
X
3.3K
330
X
1500p
15k
*4
.47
3.3/50
X
BW
470/16
680p
X
X
.01
1/50
1.8k
.01 6.8k 100/16
1/50
4.7/50
10
47/25
.0047
.22
180k
220
X
X
X
BW
*10
X
180
XX
.0047
X
100
0
X 6 .8k
.0047
2.7k
47/25
.0047
X
.0047
X
10
X
X
X
X
X
220
X
X
10/50
.01
56k
220
.1
BW
4.7/50
X
X
10/50
4.7/50
X
100
10k
8.2k
100/16
*7
100
5.6
*7 *4
X
10/50
22k
1/50
2.2k
2.2k
*4
*1
56
4.7k
15k 470/16
4.7
6.8K
75
X
X
X
1500p
X
X
10/50
270 270
X
X
*4
100/25
.1
X
*2
8.2
470/16
x
X
X
X
47k
*4
*1
.01
100
X
1k
6.8k
BW
X
5.6
.01
X
X X
100k
X
X
BW 180p
4.7k 4.7k 4.7k
1k
180p
220
220
.01
1k
1000/10
X
100
390
8.2
220
.01 1k
470/10
0
0
220p
BW
1k
10k
100 100
.01
220p
.01
.01
27
.47/50
XX
X
BW
1k
X
2
SDA1
SCL1
AUDIO
VIDEO
LINE_A
2
LINE_V
2
V_OUT
3
SCL1
SDA1
V_SYNC
VIDEO
2
A_MUTE
LINE_A
FBP
1
PIC_MUTE
AFT
LINE_V
1
AUDIO
3.58/OTH
A_MUTE
OSD_YS
SCL1 AFT
VOL
SDA1
A.PROT
OSD_YS
3.58/OTH
OSD_B
H_VCC
V_OUT
A.PROT
VOL
A_MUTE
A_VCC
A_GND
OSD_G
H_OUT
OSD_R
OSD_G OSD_B
A_VCC H_VCC
PIC_MUTE
H_OUT
V_SYNC
FBP A.PROT P_ON/OFF X_RAY
STB_PW
A_GND STB_PW
P_ON/OFF
OSD_R
IC301-10
3.5 Vp-p
(H)
IC301-11
3.5 Vp-p
(H)
IC301-12
4 Vp-p
(H)
IC301-14
0.35 Vp-p
(1
µ s)
IC301-36
3.0 Vp-p
(H)
IC301-40
0.5 Vp-p
(1
µ s)
IC301-42
2.5 Vp-p
(H)
IC301-46
2.5 Vp-p
(V)
IC701-27
5.0 Vp-p
(H)
IC701-35
5 Vp-p
(V)
NOTE : Refer to the part list for the part number of IC702.
CIRCUIT DIAGRAMS
MAIN PWB CIRCUIT DIAGRAM (1/2) SHEET1
MAIN PWB ASS'Y (1/2)
SCG-1323A-H2:AV-14F16
SCG-1324A-H2:AV-14FMG6/G
SCG-1325A-H2:AV-14FMG6/S
SCG-1326A-H2:AV-1406FE
SCG-1327A-H2:AV-14146/N
SCG-1328A-H2:AV-14149/N
MAIN PWB(2/2)
SHEET 2
!

2-8(No.YA370)(No.YA370)2-7
!
!
!
MODE DC (V)
PIN NO.
IC421
1 3.7
2 26.0
3 2.0
4 0.0
5 13.8
6 26.3
7 3.7
IC921
1 314.0
2 NC
3 0.0
4 0.0
5 31.8
6 0.0
7 0.7
IC971
1 12.8
2 9.0
3 0.0
IC972
1 9.2
2 4.9
3 0.0
Q401
E 0.0
C 0.0
B 5.4
Q402
E 0.0
C 4.9
B 0.0
Q521
E 0.0
C 9.7
B 0.3
Q522
E 0.0
C 115.3
B 0.0
Q571
E 115.5
C 0.0
B 115.1
Q572
E 0.0
C 4.9
B 0.0
Q974
E 15.3
C 15.1
B 0.0
Q975
E 0.0
C 0.1
B 4.3
MODE DC (V)
PIN NO.
Q351
E 2.5
C 125.8
B 3.2
Q352
E 2.6
C 123.3
B 3.3
Q353
E 2.5
C 128.5
B 3.2
C551
IC971
IC972
C552
R430
T921
Q571
C944
C945
R979
Q522
C523
T501
R924
L522Y501
D982
R444
H002
R991
Y502
FR556
C927
R976
C977
C976
C992
R453
T522
D901
D931
R903
C571
VA901
Q401
LF901
R526
R904
H003
R521
R934
R436
C947
C931
H004
R928
D425
D921
D427
C924
C429
C526
CNDEG
R933
R566
C528
Q402
R925
R923
C991
R421 C428
R977
CN0HVCN0S1
C433
H001
R963
R423
Q974
C422 R425
R426
IC421
R441
C421
RY971
R577
K421
C427
R962
R576
D925
R571
R964
C929
C904
C926
C907
CP982
R961
C582
L943
K941
C942
D943
D942
C946
R922
C993
IC921
R965
L941
C961
Q961
R901
C430
L942
TP-47B
SCREEN
D920
Y904
Q962
C978
C905
R359
C930
C554
R422
R974
C971
Y972
Y973
Q975
K902
D983
Y902
C932
R984
R982
R981
R921
CN10U
R983
K901
D985
D986
Q572
C981
Q981
Q982
C426
D554
Y905
D581
R365
Q352
R424
R583
C941
D929
K942
C948
R582
L353
CP981
R368
R552
R551
C553
D553
R442
C901 R356
R581
TH901
S901
F901
L352
R432
C909
R364
R362
R351
R443
R363
R433
R584
Q351
C527
R985
C525
D973
Q973
R986
R987
C572
D424
C436
D423
Y903
R357
C561
C356
R980
Q353
R367
R366
CN00U
CN10T
L354
R529
R524
L351
C354
R355
C555
R354
D552
C424
R361
CN0PW
R360
C357
C355
D582
D928
C529
C925
SK351
R978
C581
D941
R530
SK351
C949 R554
Y961
D562
L551
D561
C531
R565
D571
C562
FOCUS
R440
R906
TP-E
C910
K943
R353
R352
R575
D555
R369
R358 C351
R431
Y303
C435
Y304
Y503
C352
C425
K351
D551
R347
R348
R349
R345
R346
R578
C530
R528
R525
R573
D584
R574
C922
D933
R935
D421
R585
R532
R531
Q521
C423
D974 R988
C979
CN0S2
C972
H_VCC 9V
A_GND
R929
R429
D930
P_ON/OFF
TP-47G/R
LB
A_VCC 5V X_RAY
STB_PW
A.PROT
D927
ABL V_OUT V_SYNC FBP 32V H_OUT
TP-47R/G
D351 D352 D353D354
D355 D356
X
X
1000/35
82k
1000/25
47
47/25
150K
XBW
*4
X
8.2M
BW
X
.1
12
220/16
220/25
.001
2.7K
*4
100k
100/10
270
X
X
68k
82k
68k
*4
*5
4.7/50
10/50
.01
4.7
X
X
*1
1M
4.7k 100/35
1.2k
4.7/50
X
0
X3.3k
0
8.2k
X
X
5.6K
*8
100/35
X
22k
*5
2.7K
X
.01
.001
3300p
.001
X
X
4.7
*8
100/160
1000/25
220
X
82
X
X
.0047
4.7
BW
X
220/25
.001
100
X
4.7/250
X
2.2k
X
X
0
*3
*8
*4
BW
220p
X
X
X
1.8
X
*8
X
X
*1
X
X
X
330p
*4
BW
12k
0
39k
560p
X
*8
1000/25
27K
BW
1.8k
1
X
10k
330
1.8k
T3.15AH
BW
3.9
12k
1.5k
X
1
12k
3.9
BW
X
X
X
X
X
47/25
X
.33
*6
BW
100
X
330p
1.8k
1.8k
BW
X
BW
270p
330
.1/100
330
*5
.01
1.5k
1.5k
470/10
220p
*5
*7
.001
47/35
47k
.1
X
470p
680
BW
XX
100/160
XX
220
100k
*8
150
X
X
X
X
100
X
10k
BW
2200/25
BW
X
.01X
*5
X
X
X
150
150
10k
X
X
2.2
X
2.2
.1
3.9k
X
1k
330
18p
XX
220/10
X
X
X
10k
X X XX
X X
V_OUT
26V
IC421-1
0.6 Vp-p
(V)
IC421-3
30 Vp-p
(V)
IC421-5
60 Vp-p
(V)
IC421-6
30 Vp-p
(V)
Q521-C
38 Vp-p
(H)
Q521-B
1.5 Vp-p
(H)
Q522-C
1000Vp-p
(H)
Q522-B
2 Vp-p
(H)
T522-1
1000 Vp-p
(H)
T522-3
55Vp-p
(H) (H)(H)
T522-5
220 Vp-p
T522-9
220Vp-p
(H)
T522-7
25 Vp-p
Q351-C Q352-C Q353-C
110 Vp-p
(H)
120 Vp-p
(H) (H)
120 Vp-p
!
!
!
!
!
!
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!
!
!
!
!
!
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!
!
!
!
MAIN PWB CIRCUIT DIAGRAM (2/2) SHEET 2
MAIN PWB ASS'Y (2/2)
SCG-1323A-H2:AV-14F16
SCG-1324A-H2:AV-14FMG6/G
SCG-1325A-H2:AV-14FMG6/S
SCG-1326A-H2:AV-1406FE
SCG-1327A-H2:AV-14146/N
SCG-1328A-H2:AV-14149/N
MAIN PWB(1/2)
SHEET 1
FOR TEST
!
!