Testpoint Overview (Top Side) - Philips 20MF251W-27 Service Manual

Block Diagrams, Testpoint Overviews, and Waveforms

Testpoint Overview (Top Side)

5V5_OUT D1 AVHS J6
A_MUTE B5 AVVS J6
A_SW1 E4 BKLON E2
AV2_C I6 DVD_B L4
AV2_F I5 DVD_G L5
AV3_C I6 DVD_RED L4
AV3_V/Y I6 HPLG_CTL D4
AV4_V I6 HSYNC C3
1 2 3
A
B
C
D
E
F
G
H
I
J
K
L
1 2 3
DVD_RED DVD_G DVD_B
200mV / div DC 200mV / div DC 200mV / div DC
20us / div 20us / div 20us / div
KEY-IN0 D4 P6-3 D3
KEY-IN1 D4 PH_L K7
MCU+5V C2 PH_R K8
MINT I5 PWMOUT I1
N_C I6 RMC-IN D4
N_C1 I5 RMC_SW D4
P_EN E2 RSTN E6
P4_1 D4 SCL D6
4 6
5
4 6
5
HSYNC PH_L PH_R SCL
1V / div DC 20mV / div AC 20mV / div AC 1V / div DC
20us / div 1ms / div 1ms / div
SHA2.0U LA 6. EN 21
SCL1 D6 T4 J4
SCL2 D6 T5 K4
SCL3 D6 T6 K3
SCL4 D6 T7 K3
SDA D6 T8 K3
T1 I2 T9 K3
T2 J4 T10 K4
T3 J4 T11 L3
7 8 9
7 8 9
SDA T8 T9
1V / div DC 500mV / div DC 500mV / div DC
20us / div 20us / div 20us / div 20us / div
T12 K3 T27 K5
T14 K3 T28 K5
T15 K3 T29 K5
T22 J3 T30 K4
T23 J3 T31 K5
T24 J4 T44 H6
T25 J4 T46 G1
T26 J4 T56 G4
10 11 12
A
B
C
D
E
F
G
H
I
J
K
L
10 11 12
T10 VSYNC
5V5_OUT 5V5
MCU+5V 5V
VLCD 5V
T1 1V8
500mV / div DC 1V / div DC
20us / div 5ms / div
T57 G4
T58 G4
T59 G4
T60 G4
T61 G3
T62 G5
T63 G5
T64 F5
T65 E2
T66 E3
T67 E3
T68 E3
T69 E3
T70 E3
T71 E3
T72 E3
T73 E3
T74 E3
T75 E3
T78
C3
T81 D8
T82 D8
T83 E8
T84 E8
T87 D8
T88 D9
T94 D10
T95 E10
T96 E10
T97 E10
T98 D10
T103 K6
T110 F6
T111 F7
TUNER_AFC E2
TV_AUDIO D7
TV_SIF D7
TV2 J7
VCC_33 G1
VGA/HDMI_SW E4
VIDEO_OUT_SW C3
VLCD
F2
VSYNC C3
YUV/DVD_SW E3