philips_tv_ch_lc7.1e_la_service_manual.pdf

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Colour Television
Chassis
LC7.1 LA
ME7
H_16940_000.eps
080307
Contents
Page
Contents
Page
1.
Technical Specifications, Connections, and Chassis
Overview
9.
Circuit Descriptions, Abbreviation List, and IC Data
Sheets
2
73
2.
Safety Instructions, Warnings, and Notes
6
Abbreviation List
80
3.
Directions for Use
8
IC Data Sheets
83
4.
Mechanical Instructions
9
10. Spare Parts List
88
5.
Service Modes, Error Codes, and Fault Finding 16
11. Revision List
92
6.
Block Diagrams, Test Point Overview, and
Waveforms
Wiring Diagram 32”
27
Wiring Diagram 37”-42”
28
Block Diagram Supply
29
Block Diagram Video
30
Block Diagram Audio
31
Block Diagram Control & Clock Signals
32
Test Point Overview SSB (Bottom Side)
33
I2C IC’s Overview
34
Supply Lines Overview
35
7.
Circuit Diagrams and PWB Layouts
Diagram PWB
SSB: DC/DC
(B02) 36
52-61
SSB: Tuner & Demodulator
(B03A) 37
52-61
SSB: Micro Processor
(B04A) 43
52-61
SSB: Video Processor
(B04B) 44
52-61
SSB: PNX2015: Audio Processor
(B04C) 45
52-61
SSB: YPBPR & Rear IO
(B06A) 46
52-61
SSB: I/O Scart 1 & 2
(B06B) 47
52-61
SSB: HDMI
(B06C) 48
52-61
SSB: Headphone Amp & Muting
(B06D) 49
52-61
SSB: Audio
(B07) 50
52-61
SSB: SRP List
51
52-61
Side A/V Panel
(D) 62
63
Keyboard Control Panel
(E) 64
65
Front IR / LED Panel
(J) 66
67
8.
Alignments
69
895986415.042.png 895986415.043.png 895986415.044.png 895986415.045.png 895986415.001.png 895986415.002.png 895986415.003.png 895986415.004.png 895986415.005.png 895986415.006.png 895986415.007.png 895986415.008.png 895986415.009.png
 
EN 2
1.
LC7.1E LA
Technical Specifications, Connections, and Chassis Overview
1.
Technical Specifications, Connections, and Chassis Overview
Index of this chapter:
1.1 Technical Specifications
1.2 Connection Overview
1.3 Chassis Overview
Notes:
Figures can deviate due to the different set executions.
Specifications are indicative (subject to change).
1.1
Technical Specifications
1.1.1
Vision
Display type
:
LCD
Screen size
:
32” (82 cm), 16:9
:
42” (107 cm), 16:9
Resolution (HxV pixels)
:
1366 x 768
Min. contrast ratio
:
4000:1 (32”)
:
5000:1 (42”)
Min. light output (cd/m 2 )
:
500
Typ. response time (ms)
:
8 (32”)
:
5 (42”)
Viewing angle (HxV degrees)
:
178x178
Tuning system
:
PLL
TV Colour systems
:
PAL B/G, D/K, I
:
SECAM B/G, D/K, L/L’
Video playback
:
NTSC
:
PAL
:
SECAM
Supported computer formats
:
WXGA (1366x768)
Supported video formats
:
640x480i - 1fH
:
720x576i - 1fH
:
640x480p - 2fH
:
720x576p - 2fH
:
1920x1080i - 2fH
:
1280x720p - 3fH
Presets/channels
:
100 presets
Tuner bands
:
VHF
:
UHF
:
S-band
:
Hyper-band
1.1.2
Sound
Sound systems
:
NICAM D/K, I, L/L’
:
2CS D/K, B/G
Equalizer
:
7-bands
Maximum power (W RMS )
:
2 x 10
1.1.3
Miscellaneous
Power supply:
- Mains voltage (V AC )
:
220 - 240
- Mains frequency (Hz)
:
50 / 60
Ambient conditions:
- Temperature range ( ° C)
895986415.010.png
Technical Specifications, Connections, and Chassis Overview
LC7.1E LA
1.
EN 3
1.2
Connection Overview
H_16940_005.eps
270207
Figure 1-1 Side and rear I/O connections
Note: The following connector colour abbreviations are used
(acc. to DIN/IEC 757): Bk= Black, Bu= Blue, Gn= Green, Gy=
Grey, Rd= Red, Wh= White, and Ye= Yellow.
10
- Easylink P50
0 - 5 V / 4.7 kohm
11
- Video Green
0.7 V PP / 75 ohm
12
- n.c.
13
- Ground Red
Gnd
14
- Ground P50
Gnd
1.2.1
Side Connections
15
- Video Red
0.7 V PP / 75 ohm
16
- Status/FBL
0 - 0.4 V: INT
1 - 3 V: EXT / 75 ohm
EXT3: Headphone - Out
Bk - Headphone
32 - 600 ohm / 10 mW
17
- Ground Video
Gnd
18
- Ground FBL
Gnd
EXT3: Cinch: Video CVBS - In, Audio - In
Rd - Audio R
19
- Video CVBS
1 V PP / 75 ohm
0.5 V RMS / 10 kohm
20
- Video CVBS
1 V PP / 75 ohm
Wh - Audio L
0.5 V RMS / 10 kohm
21
- Shield
Gnd
Ye - Video CVBS
1 V PP / 75 ohm
EXT2: Video YC - In, CVBS - In/Out, Audio - In/Out
EXT3: S-Video (Hosiden): Video Y/C - In
1
- Ground Y
Gnd
20
2
2
- Ground C
Gnd
3
- Video Y
1 V PP / 75 ohm
4
- Video C
0.3 V PP P / 75 ohm
21
1
1.2.2
Rear Connections
E_06532_001.eps
050404
EXT1: Video RGB - In, CVBS - In/Out, Audio - In/Out
Figure 1-3 SCART connector
20
2
1
- Audio R
0.5 V RMS / 1 kohm
2
- Audio R
0.5 V RMS / 10 kohm
3
- Audio L
0.5 V RMS / 1 kohm
4
- Ground Audio
Gnd
21
1
E_06532_001.eps
050404
5- . .
6
- Audio L
0.5 V RMS / 10 kohm
7
- C-out
0.7 V PP / 75 ohm
Figure 1-2 SCART connector
895986415.011.png 895986415.012.png 895986415.013.png 895986415.014.png 895986415.015.png 895986415.016.png
EN 4
1.
LC7.1E LA
Technical Specifications, Connections, and Chassis Overview
18
- Ground FBL
Gnd
1
- D2+
Data channel
19
- Video CVBS
1 V PP / 75 ohm
2
- Shield
Gnd
20
- Video CVBS/Y
1 V PP / 75 ohm
3
- D2-
Data channel
21
- Shield
Gnd
4
- D1+
Data channel
5
- Shield
Gnd
6
- D1-
Data channel
Service Connector (UART)
1
7
- D0+
Data channel
- UART_TX
Transmit
8
- Shield
Gnd
2
- Ground
Gnd
9
- D0-
Data channel
3
- UART_RX
Receive
10
- CLK+
Data channel
11
- Shield
Gnd
Aerial - In
-
12
- CLK-
Data channel
- IEC-type (EU)
Coax, 75 ohm
13
- n.c.
14
- n.c.
Service Connector (ComPair)
1
15
- DDC_SCL
DDC clock
I 2 C Data (0 - 5 V)
- SDA-S
16
- DDC_SDA
DDC data
I 2 C Clock (0 - 5 V)
2-SC -S
17
- Ground
Gnd
3
- Ground
Gnd
18
- +5V
19
- HPD
Hot Plug Detect
HDMI 1 & 2: Digital Video, Digital Audio - In
20
- Ground
Gnd
19
1
EXT4: Cinch: Video YPbPr - In, Audio - In
Gn - Video Y
18
2
E_06532_017.eps
250505
1 V PP / 75 ohm
Bu - Video Pb
0.7 V PP / 75 ohm
Rd - Video Pr
0.7 V PP / 75 ohm
Figure 1-4 HDMI (type A) connector
Wh - Audio L
0.5 V RMS / 10 kohm
Rd - Audio R
0.5 V RMS / 10 kohm
1.3
Chassis Overview
D
SIDE I/O PANEL
POWER SUPPLY UNIT
E
CONTROL BOARD
B
SMALL SIGNAL
BOARD
J
LED PANEL
G_16860_047.eps
310107
Figure 1-5 PWB/CBA locations (32” models)
895986415.017.png 895986415.018.png 895986415.019.png 895986415.020.png 895986415.021.png 895986415.022.png 895986415.023.png 895986415.024.png 895986415.025.png 895986415.026.png 895986415.027.png 895986415.028.png
 
Technical Specifications, Connections, and Chassis Overview
LC7.1E LA
1.
EN 5
D
SIDE I/O PANEL
POWER SUPPLY UNIT
E
CONTROL PANEL
B
SMALL SIGNAL
BOARD
J
LED PANEL
H_16940_008.eps
050307
Figure 1-6 PWB/CBA locations (42” models)
895986415.029.png 895986415.030.png 895986415.031.png 895986415.032.png 895986415.033.png 895986415.034.png 895986415.035.png 895986415.036.png 895986415.037.png 895986415.038.png 895986415.039.png 895986415.040.png 895986415.041.png
 

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