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SECTION 6
Interconnect Diagram
1 2 3 4
FRONT JACK
JK2 JK3 VIDEO JK4 S-VIDEO Y/C
5
6
7
8
9
10
11
12
LEFT
F
PICTURE IN PICTURE MODULE
SDA GND SCL +9 VSW 204-3316
Y/C FRT SENSE
CV FRONT
GROUND
IC2501
1
+5 VPIP GND VRAMP FLYBACK VIN PIP
L IN F
PIPB
1
GND
GROUND
A-18779
RIGHT
JK1
ENTER
ADJ LEFT
ADJ RIGHT
SELECT
MENU
VOL DOWN
VOL UP
CH DOWN
CH UP
POWER
CHROMA, F
GROUND
GND B+PIP R+PIP B-IN R-IN
LUMA F
6K2 6P2
9-2110
E
SW + PIP
PIPA
1
G+PIP FB-IN G-IN
R IN F
SCAN VELOCITY MODULE
KEYBOARD VARIES BY MODEL SOME HAVE FEWER KEYS, SEE MODEL BOM FOR KEYBOARD APPLICATION SPECIFICS.
FAST BLACK HALFTONE BLACK GND LUMIN. SIG. GND
9Q4 9X4
GND +12VSW +130VSW
VMRD NECK COIL
GEMSTAR MODULE
PIPA1 1
FB-MICRO GND
VMGR
4W9
4Q9
+130 VSW
FX3401
3R8
VMBL
GND
9-2111
D
1
GEM1
+5 V-GEM FB-IN B-IN G-IN R-IN FB-OUT R-OUT G-OUT B-OUT GND
4X9
GND
AC HIGH AC LOW
UL
9W4
2C5 1
+12 VSW
IC6000 2K6
+5V IR DATA KEY1 DA KEY2 TA GROUND
3R8
+15 VSW
LUMIN. SIG .
1
B R AKB_SENSE
ICX3402
GEM2
HFBLK-PM TI-CV-MICRO GN-RESET PWR-FAIL SCL SDA TP+5VBK IRBLST2 IRBLST1 VDRIVE
FX3402
G GND SETUP
PIPB1
4C2 FX3403 ICX3401
TX3401 CR-IN YUV-IN
1
4G9 1
1
C
1
CB-IN GND
E
E
QX3203 2C4
R IN F CHROMA-F
FACTORY SETUP
SCL2 +5V SBF
SDA2 IDENT GND
B C E
C C
Q5161 5C2 DAG2
FOCUS
B
B
SETUP
GROUND
B
CRT1
SETUP GND +235V FILAMENT GROUND
1
1 1
5F2 DAG1
G2
tuner slots
4A8 1 27 9S4 ICX2100
G2 J1
JK2
JK7
JK7
JK2
JK10
JK10
JK11
JK8
B C E
SPLITTER
FOCUS
SPKR
G2 JK12
JK12
Q5141 Q5121
JK9
JK13
JK14
JK15
JK13
JK14
JK15
SPKR
MODEL IQB27B42W IQB27B44W IQB32B42W IQB32B44W IQB32B84R IQB32B86R IQB36B42W IQB36B44W IQB36B86R
MODULE COMPONENT LEVEL REPAIR 009-02102 009-02105 009-02102 009-02102 009-02103 009-02106 009-02103
CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER "X" IN THEIR COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.
B C E B C E
A
LEFT SPKR HI
LEFT SPKR LOW
LEFT SPEAKER
RIGHT SPKR HI
RIGHT SPKR LOW
RIG HT SPEAKER
JK16
A-19090-01
A-19090
CB Main Chassis Information
SIZE FEATURES 27 2 TUNER, MTS/SAP 27 32 32 32 32 36 36 36 2 TUNER, MTS/SAP, TV GUIDE (GemStar) 2 TUNER, MTS/SAP 2 TUNER, MTS/SAP, TV GUIDE (GemStar), SVM 2 TUNER, MTS/SAP, CONSOLE 2 TUNER, MTS/SAP, CONSOLE 2 TUNER, MTS/SAP 2 TUNER, MTS/SAP, TV GUIDE (GemStar), SVM 2 TUNER, MTS/SAP, CONSOLE MICRO 221-01338 221-01389 221-01338 221-01389 221-01338 221-01338 221-01338 221-01389 221-01338 KEYBOARD F-53071 F-53071 F-53063 F-53063 F-53063 F-53063 F-50825 F-50825 F-50825 PIP 009-02110 009-02110 009-02110 009-02110 009-02110 009-02110 009-02110 009-02110 009-02110 JACK PACK A-19090 A-19090-01 A-19090 A-19090-01 A-19090 A-19090 A-19090 A-19090-01 A-19090 FRONT JACK A-18779 A-18779 ----------A-18779 --TV GUIDE --009-02111 ----------SVM ---------------
009-02111 009-01560-05
009-02111 009-01560-05
6-1
ALL SYMBOLS WITH "M" ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT
CB Chassis Sheet 1
JK16
JK11
JK8
JK9
1
ICX3412 3T8
DEGAUSS DEGAUSS DAG GROUND
1
3Y3
HORIZONTAL YOKE HI HORIZONTAL YOKE LOW VERTICAL YOKE LOW VERTICAL YOKE HI
CV FRONT L IN F
LUMA F
Y/C FRT SENSE
2F5
GROUND
GROUND
+235V GROUND FILAMENT
TX3204
JK1 JK3 JK4 JK5 JK6 JK3 JK4 JK5 JK6
Power Supply
! " # $ % & ' ( !
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7
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6
CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER "X" IN THEIR COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.
6-2
ALL SYMBOLS WITH "M" ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT
CB Chassis Sheet 2
Audio Processor and Amplifier
! " # $ % & ' ( !
B
8 #& H
,&
!! ''
# S #(H QSPW S #&!H QSPW S #&"H QSPW 8 #&!H ! DI DI# QSPW " S #'(H QSPW 8 #'# PVU S #& H QSPW A !$W PVU# S #( H QSPW A $W S #''H
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6
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8 #"#H QSPW $W
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9
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TCU #
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Composite Audio
2 , ' 8 $ 3 0 2 &
#&A $W S'!$ !&
F
/ & 6
$ ' 6
F S'!#H F
6
CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER "X" IN THEIR COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.
6-3
ALL SYMBOLS WITH "M" ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT
CB Chassis Sheet 3
Jack and Switch Circuit
! " # $ % & ' ( !
S!($ S!(! 8!( 8!(#
6I@X #&F S!(" EVHQ@S S!( &$ a9!(# ( W "!&( '6 A $W (W TXA (W TXA S!(%%H
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B
WD9@P!DI
A $W
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- -
Q6SUÃPA E68FÃQ68F 7GP8F
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8
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IQB27B42W IQB27B44W IQB36B44W
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IQB32B44W IQB32B84R IQB32B86R IQB36B42W IQB36B86R IQB27B42W IQB27B44W IQB36B86R IQB36B42W
T96 TCU $ T8G TCU $
S!($&H
XA"% !'W !ÃT
! " 6 F S!("$H S!("#H $ 8CSPH6H6DI TCU $ S!("%H $ @
OPEN
SCL
6
$ ' 6
Chroma (C-IN)
Luma (Y-IN)
88PH7 TCU $
CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER "X" IN THEIR COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.
6-4
ALL SYMBOLS WITH "M" ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT
CB Chassis Sheet 4
Digital Comb Filter
! " # $ % & ' ( !
B
9 781(
&0 6+7 6+7
A
&%,1 &5,1 3/ 96:
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CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER "X" IN THEIR COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.
6-5
ALL SYMBOLS WITH "M" ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT
CB Chassis Sheet 5
Main Tuner IF
*
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Composite Audio
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CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER "X" IN THEIR COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.
6-6
ALL SYMBOLS WITH "M" ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT
CB Chassis Sheet 6
2nd Tuner IF
*
50 50 .
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9
CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER "X" IN THEIR COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.
6-7
ALL SYMBOLS WITH "M" ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT
CB Chassis Sheet 7
Main Microprocessor
$W T7A !
XA
50 50
XA! $ !W !T
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SHD8SP
TCU & BHD8SP TCU & 7HD8SP TCU & A7HD8SP TCU &
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CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER "X" IN THEIR COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.
6-8
ALL SYMBOLS WITH "M" ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT
CB Chassis Sheet 8
Gemstar and PIP Connections
TCU ' SHD8SP
TCU '
BHD8SP
*
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7HD8SP
3 , 3 % )
3 , 3 %
3 , 3
*
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S!!( H
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C6GAUPI@
#&F S!!(!H #&F S!!("H SHD8SP BHD8SP
B@HTU6SÃHP9VG@ 8PII@8UPST
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GVH6H6DI TCU
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: -803(5
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TCU '
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CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER "X" IN THEIR COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.
6-9
ALL SYMBOLS WITH "M" ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT
CB Chassis Sheet 9
Video Processor
8CSPH6H6DI TCU ( S!!'$ 8!!#'H
*
100
Luma (Y-IN)
$ WTX S!!$
R G
Red Drive Green Drive Blue Drive
Vertical Horizontal
QG
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R2285
IQB32B44W IQB27B44W
/
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8!!#&H !&A $W S!!'%H QSPW " WT7 QSPW !X
Chroma (C-IN) ABL
R2285 JUMPER IQB32B42W
IQB32B84R IQB32B86R IQB36B42W IQB36B86R
S!!'"
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6-10
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CB Chassis Sheet 10
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6-11
ALL SYMBOLS WITH "M" ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT
CB Chassis Sheet 11
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CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER "X" IN THEIR COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.
6-12
ALL SYMBOLS WITH "M" ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT
CB Chassis Sheet 12
PCB Layout
CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER "X" IN THEIR COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.
6-13
ALL SYMBOLS WITH "M" ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT
CB Chassis Sheet 13
SMD Layout
CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER "X" IN THEIR COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.
6-14
ALL SYMBOLS WITH "M" ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT
CB Chassis Sheet 14