Specifications

26L05.1U AA 6.
Block Diagrams, Testpoint Overviews, and Waveforms
Block Diagram Audio
F_15060_038.eps
210305
HERCULES
A4
A3
SIDE AV
D
AUDIO AMPLIFIER
A7
7200
I002
I001
F003
F952
F955
I951
I952
F004
SDA
SCL
5001
TUNER
6001
BZX79-C33
TUNER IF
A4
A4
A2
1000 6,7 9
1
11
SSIF
VIF1
VIF2
SIF1
SIF2
RF_AGC
VT_SUPPLY
VT
AGC
5
SEL-LLPIM
A4
VOL_MUTE
A4
4
IF
FM
10
7001
7003
FILTER
SELECTION
1002
1003
1001
ERR
10
TV
9002
+5V
105
104
31
100
99
PLL
PLL
AM
VCO
VIDEO
DEMOD
TUNER IF
AGC
FM
DEM.
AMPLI
+
MUTE
LS
OUTPUT
AUDIO
SOURCE
SELECTION
DIGITAL
SOUND
PROCESSING
VIDEO
IF
PHASE
DISC
AUDIO IF
QSS/AM
SOUND
MIXER
AM
SOUND
DET.
A8
REAR I/O CINCH
AV1
SC1_L_IN
SC1_R_IN
L
R
AV2
SC2_L_IN
INTF_R_IN 75
96
93
92
INTF_L_IN 76
SC2_R_IN 72
SC2_L_IN 73
SIDE_R_IN 79
SIDE_L_IN 80
SC1_R_IN 94
SC1_L_IN 95
SC2_R_IN
L
R
L
AUDIO
To VIDEO PART
see block diagram
VIDEO
D
SIDE AV
A5
CONNECTIVITIES
SIDE_L_IN
SIDE_R_IN
1207
3
1
1252
3
1
R
12781254
1
2
5
2
FM/QSS
SSIF
AM
ADC DAC
DIGITAL PART
DIGITAL
STEREO
SOUND
DECODER
AUDIO
SELECT
67
66
69
68
SCART
CINCH
OUTPUT
AUDIO
SELECT
MONITOR
OUT
L
R
L 8 Ohm/15W
R 8 Ohm/15W
1280
7990
TDA2616Q
5
2
4
7
6
1
9
5
+Vaudio
-Vaudio
2
7991
VOLUME
+
MUTE
MAIN_OUTL
MAIN_OUTR
Stby_Con
A4
MUTE
POWER_DOWN
A4
HP
OUTPUT
ERR
19
MAIN_OUTR
MAIN_OUTL
SC2_R_OUT
SC2_L_OUT
7991
7992
MUTING
7993, 7994
A4
A4
TO P1208
PA NE L
ATSC
1207
3
1
INTF_L_IN
INTF_R_IN
1219
3
1
TO P1219
PA NE L
ATSC
A4
A4
7104
MUTING
A5
1240
A8
TO1138
1138
A5
TO 1240
A4
A4
A4
A4
A4
A4
A4
A4
A5
A5
A5
A5
8
A7
A7
A4
A4
FROM TUNER
PA NE L
ATSC
IF
AUDIO
F003 0V (N.A.)
200mV / div AC
10ms / div
1V / div DC
20µs / div
1V / div DC
20µs / div
F004
I001 I002
F201 2V / div DC
F203 2V / div DC
50mV / div AC
2ms / div
50mV / div AC
2ms / div
500mV / div AC
2ms / div
500mV / div AC
2ms / div
I952I951 F952 F955