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)
AV-25PS
Note: The page in parentheses shows the one for the AV-25PS service manual (No. 51750, Jul. 2000).
HOW TO IDENTIFY MODEL
While referring to the illustration given below, identify model name on the rating label affixed to the rear cover.
Audio (L/R)500mVrms (−4dBs), High impedance (RCA pin jack)
Video Audio Output terminal
Video1Vp-p 75Ω (RCA pin jack)
Audio (L/R)500mVrms (−4dBs), High impedance (RCA pin jack)
Aerial Input Terminal75Ω Unbalanced, Coaxial
Headphone JackStereo mini jack (3.5ø)
AV Compu Link terminalAV Compu Link II, mini jack (3.5ø)
Remote Control UnitRM-C112 (AA/R06 / UM-3 dry battery ×2)
AV-25PS
Design & specifications are subject to change without notice.
No. 560633
AV-25PS
SPECIFIC SERVICE INSTRUCTIONS
SETTING OF SYSTEM CONSTANT SET (Page 9)
Table 1
CONTENTSVARIABLE RANGEINITIAL SETTING VALUE
COLOURMULTI
MSP YES
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
A.A.CONLANGUAGEENGLISH
AUTO VNRAUTOAUTO PROGRAM-COLOUR SYSTEMTV: According to preset CHEDIT / MANUALPRESET CH only
VIDEO: AUTO PALOthers: blank
ZOOMREGULARDEMO
ECO SENSOROFFDEMOOFF
PICTURE TILTCENTEROTHERS
SOUND SETTINGVOLUMEAppropriate sound level
SETERO / I • IICHANNEL PRESETRefer to Operating Instructions.
BASSCENTERCHANNEL POSITION1 POSITION
TREBLECENTERSUB POWERON
BALANCECENTERON SCREEN DISPLAYPOSITION INDICATION
AI VOLUMEONTV/VIDEOTV
BBEONSOUND SYSTEMB/G
SPATIALIZEROFF
No. 560634
SERVICE ADJUSTMENTS
■ Initial Setting Value
■ SETTING OF VSM PRESET (Page 18)
[INITIAL SETTING VALUES OF VSM PRESET (SUB MENU 5. VSM PRESET)]
PICTURE
MODEBRIGHTSTANDARDSOFT
ITEM
1. BRIGHT+0 +0 +0
2. CONT+17+0−4
3. COLOR+0+0−1
4. SHARP+0+0 −3
5. TINT+0+0 +0
: Do not adjust.
AV-25PS
■ SETTING OF WHITE BALANCE PRESET (Page 19)
[SETTING OF WHITE BALANCE PRESET (SUB MENU 6. WB PRESET)]
WHITE BALANCE
ITEM
1. R DRIVE 0−3+26
2. B DRIVE 0−23−27
: Do not adjust.
COOLMIDWARM
No. 560635
AV-25PS
■ VIDEO / CHROMA CIRCUIT ADJUSTMENT (Page 19)
CONTENTSPALSECAMNTSC 3.58 NTSC 4.43
R−60
1. CUTOFFG−60
B−60
2. DRIVER+0
B+0
3. BRIGHTTV000—
VIDEO+1−4−2—
COMPONENT−3
4. CONTTV000—
VIDEO+20+2—
COMPONENT+2
5. COLOURTV / VIDEO+10+18+0−2
COMPONENT+8+18
6. TINTTV+6+6−10
VIDEO+6+6+60
COMPONENT+6−3
7. BLACK OFFSETR-Y—0——
B-Y—0——
8. SHARPTV−15−17−15—
VIDEO−13−11−12—
COMPONENT−15
: Do not adjust.
Adjustment of SUB COLOUR-II (Page 22)
Adjustment partDescription
5. COLOUR
PAL COLOURValue (A) in the figure: Set to 0V (W & G).
SECAM COLOURValue (A) in the figure: Set to −5V (W & G).
NTSC 3.58 COLOURValue (A) in the figure: Set to +6V (W & G).
Adjustment of SUB TINT-II (Page 23)
Adjustment partDescription
6. TINT
NTSC 3.58 TINTValue (B) in the figure: Set to +6V (W & Cy).
No. 560636
AV-25PS
■ DEFLECTION CIRCUIT ADJUSTMENT (Page 25)
[DEFLECTION ADJUSTMENTS INITIAL SETTING VALUE (SUB MENU 4. DEF)]