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Block Diagrams, Testpoint Overviews, and Waveforms
Block Diagram Audio & Control
AUDIO
A3
TUNER IF
7003
9002
A2
VT_SUPPLY
SSIF
+5V
6001
BZX79-C33
9003
5001
+5VS
1000
6, 7
9
VT
F002
1002
10
2
FM-RADIO
ERR
FM
1003
FM
10
TUNER
VIF_1
F004
+
11
IF
TV TUNER
VIF_2
TV
AGC
5
4
1
I002
3001
RF
A4
SDA
I001
3000
A4
SCL
1004
SIF1
7001
SIF2
FILTER
A4
SEL-LLPIM
SELECTION
A8
REAR I/O SCART
SCART 1
SC1_L_IN
6
SC1_R_IN
3
2
1
1727
SC2_L_IN
1
SC2_R_IN
2
3
DCM
MODULE
D
A5
SIDE AV (OPTIONAL)
CONNECTIVITIES
1252
1207
SIDE_L_IN
3
3
L
SIDE_R_IN
1
1
R
CONTROL
E
D
TOP CONTROL
SIDE A/V
(OPTIONAL)
1010
1281
1280
2
2
2
LOCAL
KEYBOARD
J
A9
FRONT INTERFACE
FRONT CONTROL
(PARTLY) (OPTIONAL)
6692
TSOP1836
1693
1693
IR
3
3
6691
4
4
LED
+3.3V
5
5
KEYBOARD
KEYBOARD
6
6
LIGHT_SENSOR
LOCAL
KEYBOARD
LIGHT_SENSOR
6693
LIGHT_SENSOR
6693
6692
TSOP1836
F692
1
A9
6691
+6V
6694
3690
3691
1692
-5V1
1
OR
IR_IN
2
OR
LED_SUPPLY
3
4691
KEYBOARD
4
LOCAL
IR OUT
KEYBOARD
5
LED OUT
L04HE AA
A4
HERCULES
7200-A (IF)
PHASE
FM/QSS
VCO
DISC
SSIF
PLL
24
AM
To VIDEO PART
VIDEO
VIDEO
see block diagram
IF
DEMOD
25
VIDEO
INTF_R_IN
INTF_L_IN
PLL
31
SC2_R_IN
TUNER IF
AGC
SC2_L_IN
FM/QSS
SOUND
SIDE_R_IN
MIXER
SIDE_L_IN
29
AUDIO IF
30
SC1_R_IN
QSS/AM
AM
AM
SOUND
SC1_L_IN
DET.
J1
INTERFACE MODULE (ONLY FOR SYSTEM SETS)
(AUDIO PART)
1800
32 P CONN.
26
1227
F_R_AUDIO_OUT
27
1
F_L_AUDIO_OUT
28
2
3
29
R_AUDIO_IN
4
30
L_AUDIO_IN
5
6
A4
HERCULES (CONTROL)
7200-G (Control)
TDA12001H1
22
1682
I/O PORTS
2
+
KEY_PROTN
9
IR
32
IIC BUS
LED
30
20
TRANSCEIVER
LIGHT-SENSOR
14
21
IR
ITV_SCL
+
LED
17
PWM
OR
OUTPUTS
POWER_DOWN 31
A1
16
+
27
26
SERVICE JUMPER
23
9275
CPU
SDM
9252
+
3
TELETEXT
(close caption)
IR
15
OR
+
18
LED
23
ROM
RAM
24
119
25
ERR
1205
20
24MHz
118
10
6.
24
7200-F (AUDIO)
DIGITAL PART
AMPLI
AUDIO
DIGITAL
FM
+
SOURCE
ADC
SOUND
96
DEM.
MUTE
SELECTION
PROCESSING
DIGITAL
STEREO
SOUND
75
DECODER
76
72
ERR
73
79
80
94
95
A7
AUDIO AMPLIFIER
I951
A4
HERCULES
50mV / div AC
I951
2ms / div
MAIN_OUTL
1
1208
1
SC2_L_OUT
I952
MAIN_OUTR
9
2
SC2_R_OUT
I952
3
7991
7992
VOLUME
50mV / div AC
VOL_MUTE
+
2ms / div
A4
MUTE
A5
FEATURES
+3.3V
EEPROM
8
(NVM)
7
WRITE_PROTECT
6
ERR
5
+3.3V
9
3605
3604
3202
3204
3207
SDA
see
3214
IIC
SCL
DIAGRAM
7205
ROT
B2
SEL_LLPIM
A3
1213
ITV_DATA_OUT/SDA
1
ITV_DATA_IN
2
ITV_CLOCK
3
4
ITV/SCL
5
ITV_POR1
6
STDBY_CON
7
A1
Stdby_Con
A7
VOL_MUTE
A7
A5
I2SD/1
G
A8
REAR IO SCART
Reset__5V
A5
1762
1
SEL_SC2_INTF
2
A5
ITV_MSG
3
ITV_MSG
1230
A8
REAR I/O SCART
SCART 1
6
SC1_L_OUT
93
SCART
3
AUDIO
2
DAC
CINCH
SC1_R_OUT
92
SELECT
1
OUTPUT
67
SC2_L_OUT
AUDIO
HP
66
SC2_R_OUT
SELECT
OUTPUT
7705
5
68
MAIN_OUTR
2
LS
19
69
MAIN_OUTL
OUTPUT
MUTING
F952
V AUDIO+1
A4
Stby_Con
7990
A4
POWER_DOWN
TDA2616Q
7
500mV / div AC
2ms / div
F952
1280
4
5
4
F955
OR
2
6
OR
1
D
SIDE I/O (OPTIONAL)
2
5
HP
F955
1254
1278
7991
-V AUDIO
500mV / div AC
2ms / div
I1
SP/LS MODULE (SP, SMART PLUG PART)
1259
DATA_OUT
1
Q1
2
DATA_IN
CLOCK
3
4
+5V
Q6,Q7
5
IR_OUT
R33
6
+5V
7
1
8
Q8
2
DCM_CLK
9
3
J1
INTERFACE MODULE (CONTROL PARTS)(ONLY FOR SYSTEM SETS)
1259
DATA_OUT/SDA
DATA_OUT
1
DATA_IN
2
7700, 7701
3
CLOCK
CLOCK
ENABLE
4
5
IR
6
STDBY N.C.
7
8
+5V
CLOCK_ENABLE
9
1213
ITV_DATA_OUT/SDA
1
2
ITV_DATA_IN
3
ITV_CLOCK
4
5
ITV_SCL
6
ITV_POR1
7
N.C.
1692
7711
IR
1
RESET
2
+6V
N.C.
CIRCUIT
3
4
N.C.
5
N.C.
SPDIF
(optional)
1228
3762
1
2
3
7706 : 7707
MUTE
CIRCUIT
SUBWOOFER
(optional)
3757
3764
3761
MONITOR
OUT
4
L
1
R
(OPTIONAL)
7703
7702
A5
7993, 7994
MUTING
MUTE
L 8 Ohm/15W
R 8 Ohm/15W
I1
SP/LS
(LS, Loudspeaker part)
1246
U2
1
2
16 Ohm
RT1
3
Bath Room
Speaker
SMART PLUG
LOADER U1
4
DATA_OUT
2
DATA_IN
1
SMART
CLOCK
LOADER
3
+5V
6
IR_DATA
5
GND
Q9
J5
N.C.
1800
9
DATA_IN
8
CLK
7
IR_DATA
5
DCM
SDA
15
MODULE
SCL
14
6
POR
7710
RESET
E_14820_043.eps
211004
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