Block Diagram Audio/Control - Philips 29PT5458/01 Service Manual

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
FM-RADIO 10
2
ERR
FM 1003
TUNER
FM 10
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
SIF2
FILTER
A4 SEL-LLPIM
SELECTION
A8
REAR I/O SCART
SCART 1
SC1_L_IN
6
SC1_R_IN
3
2
1
SCART 2
SC2_L_IN
6
SC2_R_IN
3
2
1
D A5
SIDE AV CONNECTIVITIES
1252 1207
SIDE_L_IN
3 3
L
SIDE_R_IN
1 1
R
CONTROL
E
TOP CONTROL
1010
2
LOCAL
KEYBOARD
J1 A9
FRONT INTERFACE FRONT CONTROL
(PARTLY)
6692
TSOP1836
1693
1693
IR 3 3
6691
4
4
LED
+3.3V
5 5 KEYBOARD
KEYBOARD
6 6 LIGHT_SENSOR
ON/OFF
USA only
LIGHT_SENSOR
6693
LIGHT_SENSOR
6693
6692
TSOP1836
F692
1
6691
+3.3V
LOCAL
KEYBOARD
+
KEYBOARD
ON/OFF
(USA only)
L04E AA 6.
A4
HERCULES
7200-A (IF)
PHASE FM/QSS
VCO
DISC
PLL
24
To VIDEO PART
VIDEO VIDEO
see block diagram
IF DEMOD
25
VIDEO
INTF_R_IN
N.C.
INTF_L_IN
31 PLL
SC2_R_IN
TUNER IF
AGC
SC2_L_IN
FM/QSS SIDE_R_IN
SOUND
MIXER
29 SIDE_L_IN
AUDIO IF
30 SC1_R_IN
QSS/AM AM
AM
SOUND
SC1_L_IN
DET.
A4
HERCULES (CONTROL)
7200-G (Control)
TDA12001H1
22
I/O PORTS
1682
2
+
KEY_PROTN 9
IR 32
IIC BUS
LED 30 20
TRANSCEIVER
LIGHT-SENSOR 14
21
IR
+
LED
PWM
OR
2
POWER_DOWN 31 OUTPUTS
A1
1
+
18
CPU
15
+
17
TELETEXT
IR (close caption)
OR
16
+
LED
23
ROM
24
RAM
119
25
ERR
1205
20
24MHz
118
24
7200-F (AUDIO)
DIGITAL PART
AMPLI AUDIO
FM
SSIF + SOURCE ADC
96
DEM.
MUTE SELECTION
AM
75
76
72
73
79
80
94
95
A7
AUDIO AMPLIFIER
MAIN_OUTL
MAIN_OUTR
A4 VOL_MUTE
A5
FEATURES
+3.3V
EEPROM
8
(NVM)
WRITE_PROTECT 7 6
ERR
5
+3.3V
9
3605 3604
3202 3204
3207
SDA
see
3214 IIC
SCL
DIAGRAM
+3.3V
3279 3280
3266
see
E
IIC
3265 DIAGRAM
D
(FOR LTI
AND PIP)
VOL_MUTE
A7
A1
Stdby_Con
A7
7205
ROT
B2
SEL_LLPIM
A3
SERVICE JUMPER
A5
I2SD/1
G
Reset__5V 9275
A5
SDM
9252
SEL_SC2_INTF
A5
A8
SC1_L_OUT
93
DIGITAL SCART
AUDIO
SOUND DAC CINCH SC1_R_OUT
92
SELECT
OUTPUT
PROCESSING
DIGITAL 67 SC2_L_OUT
AUDIO HP
STEREO
66 SC2_R_OUT
SELECT OUTPUT
SOUND
DECODER
68 MAIN_OUTR
ERR
LS
19
69 MAIN_OUTL
OUTPUT
V AUDIO+1
A4 Stby_Con
7990
A4
POWER_DOWN
TDA2616Q 7
F952 1281
I951
4 5
L 8 Ohm/15W
1
I952
F955
9
6 2
R 8 Ohm/15W
2 5
7991
7992
1280
-V AUDIO
1
VOLUME
+ 7991
MUTE
OR
2
F004 I001 I002
F003 0V (N.A.)
200mV / div AC 1V / div DC
1V / div DC
10ms / div 20 µ s / div
20 µ s / div
F205 F206
F201 2V / div DC
F203 2V / div DC
500mV / div DC 1V / div DC
10ms / div 20 µ s / div
I951 I952 F952
50mV / div AC 50mV / div AC 500mV / div AC
2ms / div 2ms / div 2ms / div
F692
2V / div DC
2ms / div
REAR I/O SCART
SPDIF
(optional)
1228
3762
1
SCART 1
2
6
3
3
2
1
SCART 2
SUBWOOFER
6
(optional)
3757
3
2
1
3764 3761
MONITOR
7705
OUT
5 4
L
2 1
R
7703 7702
MUTING
A5
7993, 7994
MUTING
MUTE
D
SIDE AV
1254 1278
5 1
L 8 Ohm/15W
2 2
R 8 Ohm/15W
F955
500mV / div AC
2ms / div
E_14480_087.eps
280504