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Block Diagram, Testpoints, I2C and Supply Voltage Overview
6. Block Diagram, Testpoints, I
Block Diagram
A14
A10
REAR I/O SCART
7101
7131
V1-OUT
SCART 1
SCART 2
A5
A5
21
21
20
20
CVBS1-IN
V - OUT
Y-CVBS-IN
V-OUT
A5
A10
A5
FBL-1
A5
R-Y-IN
C - IN
A5
A5
G-Y-IN
A5
STATUS 1
STATUS 2
A7
A7
B-U-IN
A5
L1-IN
L2-IN
A10 A5
A10
L1 - OUT
L2 - OUT
A10
A10
2
R1-IN
2
R2-IN
1
A10
1
A10
R1 - OUT
R2 - OUT
A10
A10
MONITOR OUTPUT
R-OUT
A10
AUDIO R
L-OUT
A10
AUDIO L
E
or
C
A12
FRONT I/O
SIDE AV
MONO
STEREO
0253
0219
3
6
CVBS-FRONT-IN
V
V
V
A10
A
0251
A
A5
3
3
L-FRONT-IN
L
L
L
B
A10
1
1
B
R
R-FRONT-IN
C
R
A10
C
A4
A5
TUNER IF
VIDEO IF, SOUND IF
7209, 7210
A2
VT_SUPPLY
FM
FM RADIO
6001
PRE-AMPL.
5001
BZX79-C33
7200-A
V
+5V
LOTAUX
1002
1000
6, 7
9
TDA95XX
1003
VT
0265
VIF_1
18
I3
10
1
2
FM-RADIO
ERR
FM
10
TUNER
FM
I4
VIF_2
19
+
11
IF
TV TUNER
TV
22
1004
AGC
SIF1
23
5
4
1
SIF2
24
I1
3001
IF + AGC
RF_AGC
A7
SDA
I2
3000
A7
SCL
7001
FM-DEMOD.
7002
DE-EMPH.
FILTER
A7
SEL-IF-LL-M-TRAP
SELECTION
A14
L1-IN
A12
LFRONT-IN
A1
POWER SUPPLY
0212
1515
3
4
Degaussing
3504
Coil
2
1
t
5500 :
6500
0211
0231
5502
GBU6J
1500
AC
P1
5520
T4E
2
18
17
2503
150 - 250V
DC
3
SINGLE RANGE
MAINS
3532
16
90 - 276V
SWITCH
7521
7520
4
15
FULL RANGE
STP7NB60FP
TEA1507
8
D
14
3523
DRAIN
5
6
G
DRIVER
S
13
3525
P2
8
5
SENSE
12
3
CTRL
3526
3522
4
9
DEMAG
11
3528
6520
1
VCC
10
2521
CONTROL
IC
3
1
7515
P3
TCET1103
2
4
HOT GROUND
COLD GROUND
ERROR CODE LIST
Error
Description
0
No error
1
X-Ray / over voltage protection (USA only)
2
High beam (BCI) protection
3
Vertical guard protection
4
I2C error while communicating with the sound processor
5
Power ON reset (POR bit) 3.3V protection / +8V protection
6
General I2C error
7
Power Down (over current) protection
8
EW protection (Large Screen only)
9
I2C error EEPROM error
10
I2C error PLL tuner
11
Black current loop instability protection
L01.1E
2
C and Supply Voltage Overview
AUDIO/VIDEO
SOURCE SWITCHING
7801
HEF4052BT
SEL_MAIN_FRNT_RR
9
A7
SWITCH
LOGIC
SC2-CTRL
10
A9
L-FRONT-IN
1
A12
7803
L1-IN
5
SC1-LIN
A14
3
A9
L2-IN
2
A14
L1-OUT
A14
SC1-LOUT
4
A9
L-OUT
R-FRONT-IN
12
A12
A14
7804
A10
R1-IN
14
13
A14
SC1-R IN
A9
R2-IN
15
R1-OUT
NICAM, 2CS, BTSL (STEREO DECODER)
A9
A14
A13
7831
SC1-R-OUT
11
MSP34X5G
A9
7834
R-OUT
7835
7802
QSS-AM-DEM-OUT
A14
HEF4053BT
OR
47
A10
DEMODULATOR
FMR
SEL_MAIN_FRNT_RR
NICAM, 2CS,
9
SWITCH
A7
BTSC, AM, FM
LOGIC
MONO/AM-MONO-SOUND
A11
CVBS-FRONT-IN
3834 2847
5
SY-CVBS-IN
44
A12
A5
4
A5
Y-CVBS-IN
3
SC1-L IN
41
A14
A10
SC1-R IN
42
R-OUT
A10
2
SWITCHING
R2-OUT
A10
15
A7
A14
3833
SC1-R-OUT
1
A9
SDA
8
A7
A6
L-OUT
3832
12
L2-OUT
SCL
7
A10
A7
14
A14
SC1-1-OUT
13
A9
AUDIO CARRIER
FILTERS
QSS_AM_DEM_OUT
5201
FMR
3214
+8V
1200
V1-OUT
A14
49
5.5MHz
V10
VIDEO
VIDEO
VIDEO
38
IF
PLL
7201
1201
AMPLIFIER
AGC
DEMOD.
6MHz
+8V
3208
QSS
QSS MIXER
33
SOUND
7206
AM DEMOD.
3230
SOUND
SOUND
48
AUDIO
AMPL.
MONO/AM_
+ AVL
MONO_SOUND
SWITCH
A8
A9
28
29
5205
A8
MAIN AUX_FB
A6
3558
SYNCHRONISATION
7580
+3.9V
7560
ENERGIZING
P4
V
+13V
3259
2254
LOTAUX
CIRCUIT
EHT INFO
+3.3V
A2
6562
SANDCASTLE
2567
N.C.
3242
H FLYBK
P5
A2
6561
3564
5562
12V
S1
MAIN AUX
2564
AUDIO SUPPLY GND
7561, 7562
7564
ERR
7
POWER
A2
POWER DOWN
DOWN
A7
CIRCUIT
P6
6560
5560
5564
5561
140V
2561
MAIN SUPPLY
N.C.
V
A2
DEFL
3247
EHT INFO
A2
7540, 6540
N.C.
3543
EHT o
A2
REFERENCE
CIRCUIT
3544
A15
TILT & ROTATION
7541, 7542
STANDBY
STDBY_CON
A7
CIRCUIT
TILT
L13
3173
3174
A7
6.
19
A8
AUDIO AMPLIFIER
FOR MONO SETS
MONO/
7943
AM-MONO-
7901 AN7522N (STEREO)
SOUND
7902 AN7523N (MONO)
A5
6
ERR
7
OR
8
OR
VOLUME MUTE
9
A7
3908
MAINAUX_FB
1
A5
0267
SDA
A12
SCL
L+
L+
L-
L-
COMPAIR
CONNECTION
R-
R-
(FOR SERVICE)
R+
R+
A10
MAIN-OUT-L
25
A9
E1
HEADPHONE
MAIN-OUT-R
24
OR
A8
MONO/AM-MONO-SOUND
0246
0254
A5
1
1
31
R-
L OUT
A14
30
INPUT
R OUT
A14
R+
2
2
4
SC2-CTRL
A10
3
3
ERR
4
51
L+
4
4
1831
L-
5
5
52
18M432
3222
V-OUT
A14
7200-C
TDA95XX
47
RGB
V9
3213
2203
MATRIX
40
I/O
SWITCHING
RGB
INSERT
Y
Y-DELAY
BLACK
VIDEO
STRETCH
45
A13
C-IN
FILTERS
44
R-Y
U
WHITE
SY-CVBS-IN
PAL/NTSC
BASE
A10
VIDEO
STRETCH
SECAM
B-Y
BAND
V
42
IDENT
A13
CVBS1-IN
DECODER
DELAY
51 52 53 50
A14
R-V-IN
A14
G-Y-IN
A14
B-U-IN
A14
FBL-1
A2
5241
LINE DEFLECTION
+8V
7200-D
V
+13V
LOTAUX
TDA95XX
9
11
S2
3251
H-DRIVE
30
H DRIVE
2nd LOOP
31
V
H-SHIFT
A1
DEFL
7461
7463
TXT/OSD
VIDEO IDENT
DISPLAY
7462
DRIVER
L1
STAGE
S3
3244
H
17
V DRIVE+
H/V SYNC
V-DRIVE
V
S4
SEPARATOR
+
3249
16
V DRIVE-
only for sets with E/W correction
H-OSC
GEOMETRY
7400
+PLL
L4
STP3NC60FP
D
3404
G
S5
EW DRIVE/
EW
3250
S
34
15
EWD-DYN
+
3405
GEOMETRY
A2
EW drive/EWD_dyn
only for sets with panorama
7444
1400
VLOT AUX +13V
3489
7171
TDA8941P
1
VCC
A7
BASS_PANORAMA
0268
L14
A3
7
1
FRAME DEFLECTION
IN-
OUT-
5
ROTATION
3
COIL
7471
TDA8359J
OUT+
IN+
2
3
F1
VCC
V DRIVE+
1
V1+
F2
V DRIVE-
2
SHORT
V1-
6
CIRCUIT AND
TEMPERATURE
PROTECTION
4 8
A12
A7
FRONT CONTROL
CONTROL
7200-B
TDA95XX
A1
0280
ERR
2
L+
4
5
6692
A2
L
TSOP1836
4
L-
3
IR
IR
67
A3
10
R-
2
1
A14
STATUS1
A4
R
2
LED
1
A14
STATUS2
TRANSCEIVER
12
R+
3.3V
KEYBOARD-
A1
PROTN
69
LOCAL
POWER DOWN
KEYBOARD
LED
5
HEADPHONE
KEYBOARD-
_PROTN
80
T
TOP CONTROL (RF)
OR
OR
OR
ROM
7606
RAM
T1
TOP CONTROL (FSQ)
0209
1
1/10
EW-
PROTECTION
PAGES
2
A2
LOCAL
MEMORY
KEYBOARD
3
TELE
TEXT
0255
4
L+
A9
NICAM, 2CS, DECODER
L
CVBS SYNC
L-
3
0209
R
1
G
R-
2
KEYBOARD
B
2
_PROTN
R
BL
R+
1
3
COR
B1
B2
CRT
SCAVEM
R
3371
2X
G
3379
+
B
3386
OSD
7330
TDA6107Q
0243
0245
V5
7331
3201
R
R
56
1
1
2
V12
RGB
CONTROL
7332
G
V6
3202
G
57
2
2
1
OSD TEXT
V11
B
INSERT
7333
V7
3203
3
B
58
3
3
BLUE
V13
STRETCH
V9
3204
5
55
4
4
WHITE-P.
EHT-INFO
ADJ
BLK
5
5
BLK
3235
54
BLK-IN
6
6
+13V
A2
3340
7204
+200VA
EHT INFO
EHT INFO
A2
2340
1
2
3
4
PROC.
0244
0220
1
2
3
4
MAIN AUX
5445
A
B
C
6467
3487
EHT
BAV70
5451
MAIN SUPPLY
3
140V
1
L3
3493
7460
5461
BU4508DX
0221
1
LINE
FOCUS
VG2
OUTPUT
2
L2
10
CIRCUIT
HOR.
DEFL.
COIL
3480
3469
E/W
6
CIRCUIT
E/W PROTECTION
ERR
6485
3494
A7
8
5
6487
3488
11
3
4
2454
1
2
5480
7
12
3455
8
9
6488
7480
V
+13V
5472
LOTAUX
V
+50V
LOTAUX
3
6
ERR
3
6470
VP
V
GUARD
V
A2
3447
GUARD
6486
CIRCUIT
F3
0222
5471
7
1
VOA
3479
9
2
VM
FRAME
6447
3451
3471
OUTPUT
VERT.
VOB
4
F4
DEFL.
COIL
5
+3.3V
+3.3V
7602
M24C08
5602
5603
5604
3611
66
61
59
EEPROM
8
(NVM)
7
68
6
I/O
+3.9V
ERR
5
9
IIC
3604
3603
3607
3606
A4
BUS
3625
A7
72
SDA
SDA
A8
C4
3624
71
SCL
SCL
A9
C5
ERR
6
I/O
3
A4
PORTS
SEL-IF-LL-M-TRAP
6
STANDBY-CON
A1
70
SEL-MAIN-FRONT-RR
A10
78
A2
BASS PANORAMA
77
TREBLE-BUZZER-HOSP-APP
VST
73
PWM-
VOLUME/MUTE
A8
DAC
SDM
C1
9641
63
9631
CPU
1660
64
12MHz
C2
H
OSD
3172
TELETEXT
TILT
A15
V
DISPLAY
ON
A8
0278
7360 - 7367
3
2
SCAVEM
SCAVEM
COIL
PROC
1
3362
+13V
+200VA
V14
3336
0165
8
R
AQUADAG
8
V15
3334
R
9
G
6
G
CRT
11
V16
3332
B
7
B
10 9
5 7 1
ERR
11
3341
25kV
3342
Filament
5
5
D
V
+50V
LOTAUX
3484
ERR
3482
2
3481
A
EHT INFO
A5 A6
3466
EW DRIVE/EWD_DYN
A2
H FLYBK
A6
L5
B
VIDEO SUPPLY
200V
L7
V
+50V
LOTAUX
L6
3460
A4
VT_SUPPLY
D
FILAMENT
L9
7482
V
+5V
LOTAUX
3450
L10
+8V
L8
V
+13V
C
LOTAUX
7441
3446
V
A3
PROT
GUARD
CIRCUIT
BLK-IN
A5
7443, 7450
3452
2444
PROT
POWER-DOWN
A1
CIRCUIT
EHT o
ERR
CL 16532008_031.eps
2
050601
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