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Block Diagrams, Testpoint Overviews, and Waveforms
Block Diagram Audio/Control
AUDIO
A3
TUNER IF
7003
9002
A2
SSIF
VT_SUPPLY
+5V
6001
BZX79-C33
9003
5001
+5VS
1000
6, 7
9
VT
F002
1002
2
FM-RADIO
10
ERR
FM
1003
10
TUNER
FM
VIF_1
F004
+
11
IF
TV TUNER
TV
VIF_2
AGC
5
4
1
I002
3001
RF
A4
SDA
I001
3000
A4
SCL
1004
SIF1
7001
FILTER
SIF2
A4
SEL-LLPIM
SELECTION
A8
REAR I/O CINCH
AV1
SC1_L_IN
L
1227
SC1_R_IN
R
1
2
AV2
SC2_L_IN
3
L
SC2_R_IN
R
D
A5
SIDE AV
CONNECTIVITIES
or
I2
FRONT AV
1252
1207
SIDE_L_IN
3
3
L
1
1
SIDE_R_IN
R
E
TOP CONTROL
CONTROL
1010
2
LOCAL
KEYBOARD
J
A9
FRONT INTERFACE
FRONT CONTROL
(PARTLY)
6692
TSOP1836
1693
1693
IR
3
3
6691
4
4
LED
+3.3V
5
5
KEYBOARD
KEYBOARD
LIGHT_SENSOR
6
6
ON/OFF
USA only
LIGHT_SENSOR
6693
LIGHT_SENSOR
6693
6692
TSOP1836
F692
1
A9
6691
+6V
6694
3690
3691
-5V1
1692
1
IR_IN
OR
2
OR
LED_SUPPLY
LOCAL
KEYBOARD
4691
3
+
KEYBOARD
4
IR OUT
ON/OFF
5
(USA only)
LED OUT
L04HU AA
A4
HERCULES
7200-A (IF)
PHASE
FM/QSS
VCO
DISC
SSIF
PLL
24
AM
To VIDEO PART
VIDEO
VIDEO
see block diagram
DEMOD
25
IF
VIDEO
INTF_R_IN
N.C.
INTF_L_IN
31
PLL
TUNER IF
SC2_R_IN
AGC
SC2_L_IN
FM/QSS
SOUND
SIDE_R_IN
MIXER
SIDE_L_IN
29
AUDIO IF
SC1_R_IN
30
QSS/AM
AM
AM
SOUND
SC1_L_IN
DET.
J1
INTERFACE MODULE (ONLY FOR SYSTEM SETS)
(AUDIO PART)
1800
32 P CONN.
26
F_R_AUDIO_OUT
27
DCM
F_L_AUDIO_OUT
28
MODULE
29
R_AUDIO_IN
30
L_AUDIO_IN
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
PWM
17
OR
OUTPUTS
POWER_DOWN 31
A1
16
+
27
SERVICE JUMPER
26
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.
25
7200-F (AUDIO)
DIGITAL PART
AMPLI
AUDIO
DIGITAL
FM
ADC
96
+
SOURCE
SOUND
DEM.
MUTE
SELECTION
PROCESSING
DIGITAL
STEREO
SOUND
75
DECODER
76
72
ERR
73
19
79
80
94
95
A7
AUDIO AMPLIFIER
V AUDIO+1
I951
7990
TDA2616Q
50mV / div AC
1227
I951
2ms / div
MAIN_OUTL
1
1
I952
MAIN_OUTR
9
2
I952
3
7991
7992
4
2
VOLUME
50mV / div AC
5
VOL_MUTE
+
7991
2ms / div
A4
MUTE
6
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
STANDARD
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 CINCH
Reset__5V
A5
1262
1
SEL_SC2_INTF
2
A5
ITV_MSG
3
ITV_MSG
1230
"SYSTEM"
OR
"STANDARD""
OR
A8
REAR I/O CINCH
3164
92
SC1_R_OUT
SCART
AUDIO
DAC
CINCH
93
SC1_L_OUT
SELECT
OUTPUT
3161
N.C.
66
SC2_R_OUT
AUDIO
HP
67
SC2_L_OUT
SELECT
OUTPUT
68
MAIN_OUTR
LS
MAIN_OUTL
69
OUTPUT
1236
MUTING
1
2
3
F952
A4
Stby_Con
A4
POWER_DOWN
7
500mV / div AC
2ms / div
F952
1280
4
5
4
F955
OR
2
6
OR
1
D
SIDE I/O
I1
5
HP
1246
F955
1254
1278
-V AUDIO
1
2
500mV / div AC
3
2ms / div
I1
SP/LS MODULE (SP, SMART PLUG PART)
1259
DATA_OUT
1
Q1
2
DATA_IN
CLOCK
3
4
Q6,Q7
+5V
5
IR_OUT
R33
6
+5V
7
0262
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
DATA_IN
2
3
CLOCK
CLOCK
ENABLE
4
IR
5
IR_DATA
6
STDBY N.C.
7
8
+5V
9
CLOCK_ENABLE
1213
1
ITV_DATA_OUT/SDA
SYSTEM
ITV_DATA_IN
2
3
ITV_CLOCK
4
5
ITV_SCL
6
ITV_POR1
7
N.C.
1692
1
IR
2
N.C.
3
4
N.C.
E_14820_010.eps
5
N.C.
SUBWOOFER
(optional)
SPDIF
(optional)
7103
1228
1
2
3
MONITOR
OUT
L
R
7140
A5
7993, 7994
MUTING
MUTE
L 8 Ohm/15W
R 8 Ohm/15W
SP/LS
(LS, Loudspeaker part)
U2
16 Ohm
RT1
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
8
CLK
7
5
DCM
15
SDA
MODULE
SCL
14
6
POR
150904
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