JVC AV-25P8TEE User manual

AV-25P8TEE
No. 56068 1
BASIC CHASSIS
JK
SERVICE MANUAL
COLOUR TELEVISION
AV-25P8TEE
COPYRIGHT  2000 VICTOR COMPANY OF JAPAN, LTD. No. 56068
Sep. 2000
HOW TO IDENTIFY MODEL
While referring to the illustration given below, identify model name on the rating label affixed to the rear cover.
This service manual mainly consists of the following items:
• The items which differ from those for the AV-25PS service manual.
• The initial value for each setting item.
For details other than those described in this manual, please refer to the following service manual.
Reference Service Manual: AV-25PS Service Manual (No. 51750, Jul. 2000)
Note: The page in parentheses shows the one for the AV-25PS service manual (No. 51750, Jul. 2000).
AV-25P8TEE
AV-25P8TEE
MODEL NO.
XXXXX XXXXXXX
XXXXXXX XXXXX
XXXXXX
XXXXX
XXX XXXXX XXXXX
XXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXX
SERIALNo.
XXXXXX–XXX
XXXX XX XXXX
XXX XX XXXX
Model name

AV-25P8TEE
No. 560682
AV-25PS AV-25P8TEE
!!
!!
!REF. NO. PART NAME DESCRIPTION
PART No. PART No.
■EXPLODED VIEW PARTS LIST (Page 36)
!14 LC20377-001B-H LC20377-009A-H RATING LABEL
25 LC10475-012A-H LC10475-017A-H FRONT CABI ASSY
■PRINTED WIRING BOARD PARTS LIST [MAIN PWB ASSY] (Page 38-)
— SJK-1005A-H2 SJK-1030A-H2 MAIN PWB ASSY
R1010 NRSA02J-222X CH MG R 2.2kΩ1/10W J
R1011 NRSA02J-122X CH MG R 1.2kΩ1/10W J
R1012 NRSA02J-331X CH MG R 330Ω1/10W J
R1013 NRSA02J-270X CH MG R 27Ω1/10W J
R1014 NRSA02J-271X CH MG R 270Ω1/10W J
R1015 NRSA02J-102X CH MG R 1kΩ1/10W J
C1012 NCB21HK-472X CH C CAP. 4700pF 50V K
C1013 NCB21HK-472X CH C CAP. 4700pF 50V K
Q1001 2SC2412K/QR/-X CHIP TRANSISTOR
Q1002 2SC2412K/QR/-X CHIP TRANSISTOR
IC1701 M37280MF-173SP M37280MF-200SP IC (MICROCOMPUTER)
IC1702 AT24C16-29RSB AT24C16-29RF7C IC (MEMORY) (Service)
■PRINTED WIRING BOARD PARTS LIST [AV SEL. PWB ASSY] (Page 45-)
— SJK0S005A-H2 SJK0S006A-H2 AV SEL. PWB ASSY
R0603 NRSA02J-102X CH MG R 1kΩ1/10W J
R0606 QRG01GJ-181 OM R 180Ω1W J
R0607 NRSA02J-123X CH MG R 12kΩ1/10W J
R0608 NRSA02J-181X CH MG R 180Ω1/10W J
R0609 NRSA02J-123X CH MG R 12kΩ1/10W J
R0610 NRSA02J-561X CH MG R 560Ω1/10W J
R0628 NRSA02J-0R0X CH MG R 0.0Ω1/10W J
R0629 NRSA02J-101X CH MG R 100Ω1/10W J
R0630 NRSA02J-101X CH MG R 100Ω1/10W J
C0610 NDC21HJ-821X CH C CAP. 820pF 50V J
C0611 NDC21HJ-470X CH C CAP. 47pF 50V J
C0612 NDC21HJ-470X CH C CAP. 47pF 50V J
C0614 NDC21HJ-180X CH C CAP. 18pF 50V J
C0616 QETN1CM-107Z E CAP. 100µF 16V M
C0617 NCB21EK-104X CH C CAP. 0.1µF 25V K
C0618 QETN1HM-106Z E CAP. 10µF 50V M
PARTS DIFFERENCE TABLE
The different parts between AV-25PS and AV-25P8TEE are described below:

AV-25P8TEE
No. 56068 3
C0619 NCB21EK-104X CH C CAP. 0.1µF 25V K
C0620 QETN1HM-106Z E CAP. 10µF 50V M
C0623 NCB21EK-104X CH C CAP. 0.1µF 25V K
C0624 QETN1HM-106Z E CAP. 10µF 50V M
C0629 QETN1HM-106Z E CAP. 10µF 50V M
C0630 NCB21HK-102X CH C CAP. 1000pF 50V K
C0631 NCB21HK-102X CH C CAP. 1000pF 50V K
C0632 NCB21EK-104X CH C CAP. 0.1µF 25V K
C0633 QETN1HM-106Z E CAP. 10µF 50V M
C0634 NCB21HK-103X CH C CAP. 0.01µF 50V K
C0635 NCB21HK-103X CH C CAP. 0.01µF 50V K
C0636 NDC21HJ-2R0X CH C CAP. 2.0pF 50V J
C0642 NDC21HJ-2R0X CH C CAP. 2.0pF 50V J
C0645 NCB21HK-103X CH C CAP. 0.01µF 50V K
C0646 NCB21EK-104X CH C CAP. 0.1µF 25V K
C0647 QETN1CM-107Z E CAP. 100µF 16V M
C0648 NCB21EK-104X CH C CAP. 0.1µF 25V K
C0693 NCB21EK-104X CH C CAP. 0.1µF 25V K
L0601 QQL244K-220Z PEAKING COIL 22µHK
L0602 QQL244K-180Z PEAKING COIL 18µHK
L0605 QQL244K-4R7Z PEAKING COIL 4.7µHK
D0601 RD8.2E/B2/-T2 ZENER DIODE
Q0601 2SC2412K/QR/-X CHIP TRANSISTOR
IC0603 MSP3415D-QG-B3X IC (M.S. PROCESSOR)
LC0601 CE42482-103Y EMI FILTER
X0601 CE42546-001Z X TAL
■PACKING PARTS LIST (Page 47)
1 LC10453-078A-H GG10044-012A-H PACKING CASE
4 RM-C112-2H RM-C117-2H REMOCON UNIT
!6 LCT0664-001A-H LCT0819-001A-H INST BOOK
— BT-54012-1 WARRANTY CARD
AV-25PS AV-25P8TEE
!!
!!
!REF. NO. PART NAME DESCRIPTION
PART No. PART No.
■PRINTED WIRING BOARD PARTS LIST [AV SEL. PWB ASSY] - Continued (Page 45-)

AV-25P8TEE
No. 560684
Item CONTENTS
Dimensions (W ×H ×D) 655mm ×530.5mm ×465mm
Mass 36kg
TV RF System B, G, I, D, K, K1, M
Colour System PAL, SECAM, NTSC3.58, NTSC4.43
Teletext System FLOF (Fastext), WST (World standard system)
Receiving Frequency VHF (L) 46.25MHz ~ 168.25MHz
VHF (H) 175.25MHz ~ 463.25MHz
UHF 471.25MHz ~ 863.25MHz
CATV Mid (X-Z, S1-S10), Super (S11-S20), Hyper (S21-S41) bands receivable
Intermediate Frequency
VIF Carrier 38.0MHz
SIF Carrier 33.5MHz(4.5MHz), 32.5MHz(5.5MHz), 32.0MHz(6.0MHz), 31.5MHz(6.5MHz)
Colour Sub Carrier Frequency
PAL 4.43MHz
SECAM 4.40625MHz, 4.25MHz
NTSC 3.58MHz / 4.43MHz
Power Input AC110 ~ 240V, 50/60Hz
Power Consumption 181W (Max.), 119W (Avg.)
Picture Tube Visible size : 60cm measured diagonally
High Voltage 31.0kV ±1.5kV (at zero beam current)
Speaker & Audio Output Open dome speaker
10W+10W, 10cm round x 2
Video Audio Input terminals
Video1 S-Video Y: 1Vp-p Positive (Negative sync provided, when terminated with 75Ω)
C: 0.286Vp-p (Burst signal, when terminated with 75Ω)
Video 1Vp-p 75Ω(RCA pin jack)
Audio (L/R) 500mVrms (−4dBs), High impedance (RCA pin jack)
Video2 Video 1Vp-p 75Ω(RCA pin jack)
Audio (L/R) 500mVrms (–4dBs), High impedance (RCApin jack)
Video3 Video/Y Composite video 1Vp-p 75Ω(RCA pin jack)
Component video 1Vp-p 75Ω(RCA pin jack)
Cb Component video B-Y 0.7Vp-p 75Ω(RCA pin jack)
Cr Component video R-Y 0.7Vp-p 75Ω(RCA pin jack)
Audio (L/R) 500mVrms (–4dBs), High impedance (RCApin jack)
Video4 Video 1Vp-p 75Ω(RCA pin jack)
Audio (L/R) 500mVrms (−4dBs), High impedance (RCA pin jack)
Video Audio Output terminal
Video 1Vp-p 75Ω(RCA pin jack)
Audio (L/R) 500mVrms (−4dBs), High impedance (RCA pin jack)
Aerial Input Terminal 75ΩUnbalanced, Coaxial
Headphone Jack Stereo mini jack (3.5ø)
AV Compu Link terminal AV Compu Link II, mini jack (3.5ø)
Remote Control Unit RM-C117 (AA/R06 / UM-3 dry battery ×2)
Design & specifications are subject to change without notice.
SPECIFICATIONS(Page 2)

AV-25P8TEE
No. 56068 5
SETTING OF SYSTEM CONSTANT SET (Page 9)
Table 1
SPECIFIC SERVICE INSTRUCTIONS
CONTENTS VARIABLE RANGE INITIAL SETTING VALUE
COLOUR MULTI
MSP NO
SUPER BASS NO
CENTER SPEAKER NO
TEXT YES
BLUE BACK MUTE NO
VOLUME LIMIT YES
COLOUR AUTO NO
TILT YES
C-TRAP 1
E.M.C. NO
N/S WHITE BACK NO
7 LED SPEED 00
MULTI TRIPLE PAL
YES NO
YES NO
YES NO
YES NO
YES NO
YES NO
YES NO
YES NO
1 0
YES NO
YES NO
00 10 20 ... 1250
1270 1260
USER SETTING CONDITIONS (Page 9)
Table 2
PICTURE SETTING FEATURES
PICTURE MODE BRIGHT SLEEP TIMER OFF
CONTRAST CENTER ON TIMER PR1 0:00
BRIGHT CENTER BLUE BACK ON
SHARP CENTER CHILD LOCK OFF
COLOUR CENTER CHANNEL GUARD --
TINT CENTER AUTO SHUT OFF OFF
WHITE BALANCE COOL VIDEO-3 SETTING COMPONENT
PICTURE FEATURES INSTALL
A.A.C ON LANGUAGE ENGLISH
AUTO VNR AUTO AUTO PROGRAM --
COLOUR SYSTEM TV: According to preset CH EDIT / MANUAL PRESET CH only
VIDEO: AUTO PAL Others: blank
ZOOM REGULAR DEMO
ECO SENSOR OFF DEMO OFF
PICTURE TILT CENTER OTHERS
SOUND SETTING VOLUME Appropriate sound level
BASS CENTER CHANNEL PRESET Refer to Operating Instructions.
TREBLE CENTER CHANNEL POSITION 1 POSITION
BALANCE CENTER SUB POWER ON
AI VOLUME ON ON SCREEN DISPLAY POSITION INDICATION
BBE ON TV/VIDEO TV
SPATIALIZER OFF SOUND SYSTEM B/G

AV-25P8TEE
No. 560686
SERVICE ADJUSTMENTS
■Initial Setting Value
[INITIAL SETTING VALUES OF VSM PRESET (SUB MENU 5. VSM PRESET)]
[SETTING OF WHITE BALANCE PRESET (SUB MENU 6. WB PRESET)]
■SETTING OF VSM PRESET (Page 18)
2. CONT +17 +0−4
3. COLOR +0+0−1
4. SHARP +0 +0 −3
5. TINT +0 +0 +0
PICTURE
MODE BRIGHT STANDARD SOFT
ITEM
1. BRIGHT +0 +0 +0
■SETTING OF WHITE BALANCE PRESET (Page 19)
WHITE BALANCE COOL MID WARM
ITEM
1. R DRIVE 0 −3+26
2. B DRIVE 0 −23 −27
: Do not adjust.
: Do not adjust.

AV-25P8TEE
No. 56068 7
Adjustment of SUB COLOUR-II (Page 22)
Adjustment of SUB TINT-II (Page 23)
Adjustment part Description
5. COLOUR
PAL COLOUR Value (A) in the figure: Set to 0V (W & G).
SECAM COLOUR Value (A) in the figure: Set to −5V (W & G).
NTSC 3.58 COLOUR Value (A) in the figure: Set to +6V (W & G).
Adjustment part Description
6. TINT
NTSC 3.58 TINT Value (B) in the figure: Set to +6V (W & Cy).
CONTENTS PAL SECAM NTSC 3.58 NTSC 4.43
R−60
1. CUTOFF G −60
B−60
2. DRIVE R +0
B+0
3. BRIGHT TV 000—
VIDEO +1−4−2—
COMPONENT −3
4. CONT TV 000—
VIDEO +20+2—
COMPONENT +2
5. COLOUR TV / VIDEO +10 +18 +0−2
COMPONENT +8+18
6. TINT TV +6+6−10
VIDEO +6+6+60
COMPONENT +6−3
7. BLACK OFFSET R-Y —0——
B-Y —0——
8. SHARP TV −15 −17 −15 —
VIDEO −13 −11 −12 —
COMPONENT −15
■VIDEO / CHROMA CIRCUIT ADJUSTMENT (Page 19)
: Do not adjust.

AV-25P8TEE
No. 560688
■DEFLECTION CIRCUIT ADJUSTMENT (Page 25)
[DEFLECTION ADJUSTMENTS INITIAL SETTING VALUE (SUB MENU 4. DEF)]
: Do not adjust.
■AUDIO CIRCUIT ADJUSTMENT (Page 29)
[AUDIO ADJUSTMENTS INITIAL SETTING VALUE (SUB MENU 3. AUDIO)]
Setting item Variable range Fixed value
1. ERROR LIMIT 000H ~ FF0H 100H
2. A2 ID THR 00H ~ FFH 14H
3. BASS −17 ~ +17 +0
4. TREBLE −17 ~ +17 +0
: Do not adjust.
Initial setting value
Setting item Adjustment name REGULAR ZOOM 16:9
50Hz 60Hz 50Hz 60Hz 50Hz 60Hz
1. V-SHIFT Vertical shift −30+10−10
2. V-SIZE Vertical size +13 0 +36 +35 −37 −37
3. SUBTITLE Subtitle 0 +10+70 0
4. H-CENT Horizontal center −9+5−1−10 0
5. H-SIZE Horizontal size +11 −1−9−7−10
6. EW-PIN Side pin correction −1−1−4−5+2+1
7. TRAPEZ Trapezoidal distortion correction +4−10 0−1+1
8. EW.COR.L Corner pin correction Low side −2000+1+1
9. EW.COR.H Corner pin correction High side −2000+1+1
10. V.S-COR Vertical size correction +900000
11. V-LIN Vertical Linearity 0 0 +10 0 0
12. H-BLK-R Horizontal Blanking Right 0000+29 0
13. H-BLK-L Horizontal Blanking Left 000000
14. V-EHT V size correction level caused by EHT change −400000
15. H-EHT H size correction level caused by EHT change −400000
16. EHT-GAIN Size correction gain caused by EHT change 000000
CTH 0009
CRT
AV25P8TEE-H #3
VICTOR COMPANY OF JAPAN, LIMITED
TELEVISION RECEIVER DIVISION 1106 Heta, Iwai-city, Ibaraki-prefecture, 306-0698, Japan