Block Diagrams, Testpoint Overviews and Waveforms
Block Diagram (Audio and Supply)
AUDIO
SCART 1
10
L
9
1
R
SCART 2
8
L
7
1
R
SCART 3
1
SCART 4
1
FRONT
FP1
PANEL
SNDL-FRONT
L
SNDR-FRONT
R
SD.
SD
CONN.
SNDL-SD
L
SNDR-SD
R
AUDIO
AV8
AUDIO-L VGA-IN
L
AUDIO-R VGA-IN
R
AUDIO
K2
L
6
3
R
2
6
3
2
6
3
2
6
3
2
9
10
L
3
R
4
L
5
R
6
L
R
1
2
AV7
0309 0309
7
9
0305 0305
3
9
F706
7
9
F709
3
9
K8
VIDEO
SDA
SCL
SOURCE SELECTION
IN-SC1-SNDL 5
R
L
SNDL-SC2-IN
AV8
3822
3824
24IN-SC1-SNDR
25
4
23SNDR-SC2-IN
6
20SNDR-SC3-IN
9SNDR-SC3-IN
19SNDR-SC4-IN
10SNDR-SC4-IN
18SNDR-U_I-IN
11SNDR-U_I-IN
AUDIO
7810
TEA6422D
11
18
5
24
28
27
6
23
R2
L2
R1
L1
R3
L3
R4
L4
R5
L5
R6
L6
L1
R6
L1
R2
L3
R3
7777
TEA64220
ERR
11
ERR
31
R OUT 1
L OUT 1
L OUT 3
R OUT 3
R OUT 2
L OUT 2
L OUT 1
R OUT 1
38F21RE 6.
0348
ERR
25
7600
TD A9820T/V1
3
1
16
FILTER
SELEC.
2
+7V7
-7V7
+8V6
I
2
S BUS
7
5
4
6
R
57
L
56
A24
R
51
50
L
A25
R
48
47
L
R
60
59
L
FM
AUDIO
DETECTOR
N.C.
7756
A7
A8
LM833D
5
17R
3
A22
A23
N.C.
N.C.
7
M25
8
CONSTANT
LEVEL
TUNER
SIGNAL
7621
7622
0352
L
7752
HEF4052
1
5
12
14
SELECTOR SWITCHES
M2
10
FDSL-OUT
11
FDSR-OUT
FM-SOUND
AM-SOUND
0346
SNDR
FRONT-IN
1
NC
SNDL
FRONT-IN
3
NC
3
13
TO
SCART 1
13
12
7758
LM833D
3
5
7775
HEF4053
7623
7624
TO
SCART 2
A16
1
R
7
L
A17
R
L
M26
+7V7
R
-7V7
L
7
SOUND
8
ENABLE
9 (2X)
10 (2X)
SDA
SCL
17
1814
20
14
13
11
4
5
7620
TDA7309
1
2
3
4
5
6
7
8
9
ERR
41
TUNER +
K1
IF
3866
28
3867
27
13
12
16
17
FDSR-OUT
FDSL-OUT
SNDR-SUB-OUT15
SNDL-SUB-OUT14
A7
SNDL-MAIN-OUT12
SNDR-MAIN-OUT13
0352
VIDEO
SDA
SCL
10
11
0373
0373
1
1
3
3
0333
0333
F707
F708
9
9
11
11
7
SOURCE
K8
SELECT
SNDR-U-1-IN
SNDL-U-1-IN
INPUT
K2
OUTPUT
SNDL-FRONT-IN
SNDR-FRONT-IN
SEE
BLOCKDIAGRAM
VIDEO
PROC.
F821
F827
3
4
5
6
1
2
SOUND
K3
PROC.
I11
SIFM
SIF
I12
AM SOUND
SNDL-SC1-IN 31
SDA
SCL
SNDR-SC2-IN
SNDL-SC2-IN 34
SNDR-SC3-IN
TUNER +
M1
IF
(DOUBLE
WINDOW)
SEE
BLOCKDIAGRAM
VIDEO
PROC.
AM
SOUND
3755
3756
2809
2751
7751
MSP3440
23
SOUND
DEMODULATOR
25
28
30SNDR-SC1-IN
8
9
33
36SNDR-SC3-IN
37
40SNDL-FROM-IN
39SNDR-FROM-IN
SIF
1751
21
ADC
ADC
M5
AUDIO PART (DOUBLE WINDOW PANEL)
SIF
SOUND
PROCESSING
DSP
DIGITAL
SOUND
PROC.
1600-1603
TO
0348
K3
20 45
CLOCK
IN
OUT
WS
DAC
DAC
DAC
DAC
M24
03280328
1
2
3
4
5
6
7
8
9
1010
1111
AV8
AUDIO CENTER IN
SND-CENTER
N.C
N.C
N.C
AV8
CONTROL
MUTE
MUTE
AUDIO
F811
SNDR-SSP
SNDL-SSP
F812
+7V7
-7V7
SOUND ENABLE
F813
CENTER SELECT
2
9
10
1
7840 A/B
74HC4053D
12
14
13
2
15
1
10 11
POWER VALID
7853
7757
NJM4556AM
M27
M28
M29
7
5
1
3
M30
CL-DS-R
CL-DS-L
MUTE
HP-OUT
0344
0347
F809
AUDIO-R
MON-OUT
AUDIO-L
MON-OUT
F810
7835
7865
0344
1
1
L
22
3
3
R
1
N.C.
3
N.C.
FRONT PANEL
FP
R
L
SUPPLY
95 - 264V
7001
MC44603A
CONTROL
CURRENT SENSE
OVERVOLTAGE PROTECTION
VOLTAGE FEEDBACK
POWER SUPPLY STANDBY SUPPLY
PS
0300
1
2
T2,5A
1001
5000
6203
6204
CONTROL
MAIN SUPPLY
6000
3
OUTPUT
Vdem IN
VCC
GBU4J
1
1
3042
3
7
3030
8
3041
6
14
6009
3037
4
6000
2
STP6NC60
G
F013
3016 6007
HOT GROUND HOT COLD
F008
F011
D
S
3012
3013
3014
3015
7200
TNY256
2
3
3200
DRAIN
SOURCE
ENABLE
3
4
6
8
4
3
5003
CONTROL
T12
T11
77 R-TXT
78 G-TXT
OSD
79
TXT
80
86
85
88
87
C3
16
17
104
SERVICE PINS:
119
96
9192SDA
SCL56
T14
T13
K6
B-TXT
F-BL-TXT
SDA-S
2
C0 BUS
I
SCL-S
SDA-F
2
I
C1 BUS
SCL-F
1001
6MHz
STANDBY
K1
0356
1
SAM
2
SDM
3
7008
EEPROM
ERR
(NVM)
7002 (ST24E32)
ROM
7001 (HYB3118165)
RAM
7013 (M29W400T)
FLASH
CL 16532023_001.EPS
240901
2
SUPPLY
1
2
3
4
5
6
7
8
9
10
111011
1
2
3
4
5
6
7
8
9
AV5
03070307
1
2
3
+5V2-FB
4
5
6
7
8
9
03060306
1
2
3
4
5
6
7
8
9
N.C.
+5V2
F507
+5VSTBY
+8V6
F509
+33V
3512
3510
3511
POWER-ON
POWER-VALID
+7V7
-7V7
STANDBY
+5VSTB
F516
+8VVA
+8VV
+8VS
1512
T200mA
1513
T200mA
6513
F515
AV7
AV8
F504
F505
F512
5513
+5V
F508
+5VSTBA
+5VSTBD
STANDBY
+5V2-FB
+5V2
+5VSTB
+8V6
+33V
+16V
FP1
6030
TLUV5300
ON/OFF
STANDBY
LED
6025
TSOP2136
6012
TSOP2236
IR LED
ON/OFF
SWITCH
4
2
5V
SWITCH
3
7055 TPS2014P
1
2
3
4
5
6
7
8
9
FRONTPANEL
1
2
IR
RECEIVER
IR
RECEIVER
LOCAL
KEYBOARD
7001
6002
2356
EN
6.7.8
STANDBY
+33V
+8V6
+7V7
+5V2
-7V7
31103111
3113
3114
F026
ERR
ERR
6310
F067
SB340
+5VSTBY
5300
F032
3310
7202
TL431
REF.
2
+5V2
F038
+8V6
3312
3313
3314
F069
+33V
F042
F044
81
68
67
POWER-ON
POWER-VALID
F052
N.C.
+7V7
F054
F056
-7V7
STANDBY
N.C.
5200
F072
F073
5202
5
2.3
4
6010
7401, 7402
1
ACTIVATING
CIRCUIT
2
16
N.C.
6101 6110 3101 3102
15
6103
3109
6106
5103
6107
6108
+8V6
7011
TL431
REF.
1101
T4A
1
2
14
13
12
11
10
9
7002
TCET1103
2
1
4
3
4
3
2
5102
6104 6105
1102
T4A
5104
3107
+8V6
81
7
8
1
2
7101
7203
TCET1102
POWER
VALID
CIRCUIT
+5V2
TUNER (SSP)
K1 AV8
03100310
1
2
3
+5V2-FB
4
+5V2
5
+5VSTB
6
+8V6
7
+33V
8
9
8VF
+5VSTB
RC-FRONT
KEYBOARD
STANDBY
+16V
IR-LED
+5VSTB
+5VSTBY
K7
8VF
3020
1
N.C
2
N.C
3
4
5
6
7
8
9
10
11
AV5
1
2
3
4
5
6
7
8
9
10
11
SDA-S
SCL-S
RC-EXT-IN
AV7
AV5
RC-MON
9-0303
03080308
N.C
N.C
CONTROL
3882
3881
6875
F815
RC-SELECTION
7740-C
5
3
7749
7751
RC-MON
DET.
+8V6
POWER ONPOWER ON
+5VSTB
+5VSTBY
7880
PCF8574AT
I/O
EXP.
15
ERR
14
27
RC-EXT-PRESENT
9
AV5
4
RESET-SCALER
5
HD-VGA-SELECT
6
SYNC-TRISTATE-MON
7
CENTER-SELECT AUDIO
9
FBL-YUV
10
11
12
7884
7740-B
2
4
1
10
RC-FRONT-MON-SEL
21
RC-FRONT-SEL-N
AV4
7881
15
I2C-SCALERACTIVE
ON-OFF-LED
IR-LED
KEYBOARD
7745
7746
AV4
AV5
AV5
AV8
AV6
RC-FRONTMON-SEL
RC-FRONTSEL-N
RC-OUT
F740
TXT & CONTROL
K7
CVBS TXT DS OUT
K8
HOSD-PIP
K6
VFB
1
2
1
2
3
4
N.C
5
6
N.C
7
8
N.C
9
N.C
0355
1
AV5
3
+5V
STANDBY
+3V3-STANDBY
LF33CV
3043
RESET
03410341
1
2
STBY LED
3
RC5
4
+5V STANDBY
5
IR LED
6
7
KEYBOARD
8
LIGHT SENSOR
9
+8V6
7006
7007
7016
RXD
TDX
7009
7003
T16
SAA5800
5
OTC
83
84
89
90
ERR
3
74
POR
93
113
100
90
107
Block Diagrams, Testpoint Overviews and Waveforms
Powerlines Overview
PS
POWER SUPPLY STANDBY SUPPLY
0300
1001
1
T2,5A
95 - 264V
7001
MC44603A
OVERVOLTAGE PROTECTION
2
VCC
CONTROL
OUTPUT
CURRENT SENSE
Vdem IN
VOLTAGE FEEDBACK
1
3
7
8
6
14
5000
3042
3030
3041 6009
3037
6203
6204
7200
TNY256
CONTROL
MAIN SUPPLY
6000
3
GBU4J
1
4
6000
2
STP6NC60
G
F013
3016
HOT GROUND HOT COLD
6007
F008
F011
D
S
3012
3013
3014
3015
4
3
3200
DRAIN
SOURCE
ENABLE
2
3
5003
3
4
6
8
39F21RE 6.
AV5
SUPPLY
0307
1
N.C.
2
N.C.
+5V2-FB
3
+5V2
4
5
6
7
8
9
10
11
1
2
3
4
5
6
7
8
9
N.C.
N.C.
03060306
N.C.
N.C.
N.C.
N.C.
+8VV
+5VSTBD
+33V
1512
T200mA
+5VSTBY
+8V6
1513
T200mA
6513
3512
3510
3511
POWER-ON POWER-ON
POWER-VALID POWER-VALID
+7V7
-7V7
STANDBY STANDBY
5520
7520
1
TDA8601T
5550
7550
4
OP. AMP
7545
16
ONE SHOT
5513
+5V2-FB
+5V
+5STBA
+5V2
+5V
+5VSTBA
+5VSTBD
+8V6
+8VVA
+8VV
+8VS
5575
5570
+5VSTBY
+5VSTB
+5VSTBY
+5VSTBA
+5VSTBD
+7V7
-7V7
14
16
+5V2
+5V
+8V6
+8VVA
+8VV
+8VS
+33V
BUFFER
SWITCH
7575
7570
+5VSTBA
+8VVA
1X
+8V6 +8V6
POWER-ON POWER-ON
2X
1X
1X
3X
1X
2X
1X
1X
1X
1X
1X
1X
1X
1X
1X
+5VSTB
+5VSTBY
+5V
+8VV
+5VSTBA
+5VSTBD
+5V2
+5VSTBA
+8VS
POWER-VALID
+5VSTBY
+7V7
-7V7
+8VV
+8V6
7
8
1
2
7101
7203
TCET1102
POWER
VALID
CIRCUIT
+5V2
6310
SB340
STANDBY
+33V
+8V6
+7V7
+5V2
-7V7
3110
F026
3113
3114
F067
3310
7202
TL431
REF.
+5VSTBY
5300
+5V2
3312
+5VSTBY
+8V6
81
F069
2
F056
3313
3314
+33V
POWER-ON
POWER-VALID
+7V7
F054
-7V7
STANDBY
F032
F038
F042
F044
F052
N.C.
N.C.
0307
1
2
3
4
5
6
7
8
9
10
11
1
2
3
4
5
6
7
8
9
5200
F072
2
F073
1
5202
5
2.3
4
6010
16
N.C.
15
14
13
12
11
10
9
1
7002
TCET1103
2
4
3
4
3
7401, 7402
1
ACTIVATING
CIRCUIT
3
6101 6110 3101 3102
6103
6106
3109
5103
1101
T4A
6107
6108
7011
TL431
REF.
+8V6
2
5102
6104 6105
1102
T4A
5104
3107
3111
81
+8V6
AV7
VIDEO + RC + SELECTION
5710
+5VSTB
+5VSTBY
AV4
VGA/HD SELECTION
AV8
AUDIO + CONTROL
5810
AUDIO
MUTE
AV6
YPBPR-YUV-MATRIX
5655
3666
6666
9
+5VSTBA
+5VSTBA
+8VTEA
+8VS
+8TV
+5VSTBY
+8D
+8V6
+5VSTB
5450
5880
5840
16
3
26
4
+5VSTBA
+8VVA
+8VT
+5V WORDT NIET GEBRUIKT
+8VV WORDT NIET GEBRUIKT
+5STBA
+5VSTBD WORDT
NIET GEBRUIKT
+5V2
+5VSTBA
+8VS
+8VTEA
+5VSTBY (TO 4866)
+8VV
+8D
+Vref 3
+Vref 4
FP
FRONT PANEL
7710
SWITCH
0308
7450
SWITCH
0399
7880
I/O EXP.
7810
SWITCH
7840
SWITCH
0328 0348
+7V7
-7V7
7607
OP. AMP
0304
+8V6
0308
3
3
9
9
10
10
11
11
DS2
0399
9
9
10
10
+5V
K3
0328
6
6
8
8
10
N.C.
3020
POWER ON
+5VSTB
+5VSTBY
2, 3, 4
MEMORY I/O
+5V
5100
+3V3
16
5101
16
ONE SHOT
SOUND PROCESSING
ON/OFF
23
65
5V SWITCH
7101
SDRAM
3V3
7105
SWITCH
7106
1006
7055
+7V7
-7V7
+7V7
+8VF
4
DS1
3V3PLL
3V3AD
3V3PLL
6, 7, 8
+5V
1002 5002
FIA
16
17
SCALER IC
+3V3FD
5004
33, 37, 38
5008
+7V7
-7V7
7752
SWITCH
8
7758
OP. AMP
+5VSTB
+5VSTB
7000
LD117
42
7000
LD117
4
7004
3
MAX810
RESET
47
7002
FS402
SCALER
1
IC
+7V7
-7V7
3025
3026
+5VSTB
2
18, 16
13, 10, 8
6025
2
RC. REC
6012
2
RC. REC
5001
+3V3AD
5000
+3V3DA
+3V3PLL
5003
+3V3FD
+3V3
27, 95, 82, 74, 59
3V3FD
3V3DA
1
3
+5V2-FB
+5V2
+5VSTB
+8V6
+33V
STANDBY
B11
B12
B13
B14
COLD GROUND
0310
TUNER, IF
K1AV5
VIDEO PROC.
0310
1
1
1
2
2
2
3
4
5
6
7
8
9
3
3
4
4
5
5
6
6
7
7
8
8
9
9
N.C.N.C.
K3
3750
+5V2-FB
+5V2
+5V-Standby
+8V6
+33V
STANDBY
SOUND
PROCESSING
5751
5752
5101
+5DA
+5DB
+8V6
3538
+8V6
+5DB
+5DA
6101
-/33V
5501
5502
(TO C-7111)
67
11
26
6757
7551
MSP3410D
+5V2-FB
+5V2
+5V2
+5V
+5V-STBY
+8V6
+8V6
+8Va
+8Vb
+33V (TO 91102 TUNER)
+33V
STANDBY
xxx
5753
45
1x
4x
1x
+8V6
4x
1x
1x
+5V2
+5V2
3150
+33V
+8Va
3151
5559
5562
22
7
9
7
11
7560
SAA4961
TUNER
UV1316
1102
7501
TDA9320H
HIP
+8V6
+5V2
+8V6
+5V2
+5V STBY
Standby
+8V6
+5V2
INPUT/OUTPUT
K2
3147
TXT & CONTROL
K7
+5V2
7009
+3.3V-STBY
5002
+5V-Standby
+5V-STBY
VIDEO CONTROL & GEOMETRY
K6
3300
5301
5302
xxx
+8V6
+5V2
+8VS
+8VR
7001
RAM
SOURCE SELECTION
K8
FEATURE BOX
L1
0362
1
+8V6
+5V2FB
2
7630
7631
5681
3687
3290
3620
+5V2-FB
+8V6
5642
5607
5633
5632
5606
Vdd
+33V
+5V2
Vdd
TO
3621
3624
3678
+5V
+3.3VA
+3.3P
+3.3VB
+8V6
+3.3VA
+3.3A
+3.3P
+3.3VA
9
+5V
+5V
+5V
+5V
+5V2-FB
7013
FLASH
+8V6
+33V
+5V2
23
+8V6
3225
TO C-7201
3204
TO C-7200
111
22
7003
7002
µC
ROM
1
+8VS
+8VR
+8V6
3434
104
20
17
39
7402
TDA9178
TOPIC
7300
TDA9330H
HOP
+5V2-FB
7208
TEA6415CD
5641
5629
5611
5631
5635
5615
5605
+8V6
123
148
20
21
38
32
18
31
0362
LATCH
MEMORY
2
1
7639
7602
FIELD
7625
PROM
7634
7611
µC
+3.3VB
5757
+8V6
Vdd
+5V
L3
+3.3F
+3.VB
+3.VB
7777
TEA6422D
7209
TDA8601
FALCONIC
5640
+5V
+5V
3
1
5639
5636
5638
5637
143
+5V2
+8V6
+33V
+5V
+3.3VB
+3.3F
7626
FALCONIC
7638
FIELD
MEMORY
7640
FIELD
MEMORY
0351
5
6
7
TUNER+IF
M1
0351
5
+5V2
6
+8V6
7
+33V
+33V
4106
+5V
4104
FILTERS+BUFFERS
M3
AUDIO
M5
0348
1
+7V7
3
-7V7
+7V7
-7V7
3151
5101
+5V
+5V2
5501
5502
+5V2
+8VA
+5V2
11
+5V2
+8V6
+8VA
Vtrans
7501
TDA9320H
HIP
+5V2
5621
TDA9820T
3538
9
1102
TUNER
7
6
8
7757
4
0P.AMP
+5V2
8
+8V6
+3V3A +3V3A
+5V2
+8V6
7600
+5V2
+8V6
7991
M24C04
NVM
5620
+8V6A
16
7520
TDA7309
+8V6A
SELECTOR SWITCHES
M2
5880
1800
400mA
+8V6
7800
TDA8601T
1
SWITCH
DW IC +
M4
MEMORY
102
3V3A
109
3V3D
SAB9079H
89
DW PROC.
5V2D
+5V2D
7881
+5V2
7880
+8V6
+5V2
7860
PCF8574TS
5
+5V2D
+3V3A2
+3V3A
+5V2D
+3V3A2
+3V3A
5752
1,4
7700
5V2D
CL 16532023_004.eps
3V3A
5882
5881
+8V6
16
+3V3D
+3V3D
1
8
18
47
57
+3V3D
+3V3A
+3V3A2
7840
HEF4053
SWITCH
+5V2
+5V2
7750
DRAM
240901