Philips MX5000D/22S Service Manual page 38

IC 27(TC9215AF)
PIN NO. DESCRIPTION VOLTAGE
1 GND 0
2 GND 0
3 MIX-L 0
4 L-CH 0
5 MIX-ON 0
6 R-CH 0
7 MIX-R 0
8 VSS -12
9 RT-OUT 0
10 FR-CH 0
11 DSP-FR 0
12 DSP-ON 12
13 DSP-FL 0
14 FL-CH 0
15 LT-OUT 0
16 VCC 12
OP-AMP
PIN NO. DESCRIPTION VOLTAGE
1 A OUTPUT 0
2 A - INPUT 0
3 A + INPUT 0
4 V - -12
5 B + INPUT 0
6 B - INPUT 0
7 B OUTPUT 0
8 V + 12
IC 91(12V REGULATOR)
PIN NO. DESCRIPTION VOLTAGE
1 IN 17.8
2 OUT 12
3 GND 0
4 ENABLE 4.9
7-7
IC 28(NJU3713G)
PIN NO. DESCRIPTION VOLTAGE
1 F_MUTE 0
2 RELAY_ON 0
3 PM 0
4 V_SW1 0
5 GND 0
6 V_SW2 0
7 AK_RST 2.5
8 DVD_RST 5
9 SUB_ON 5
10 EXP/CS_DA 5
11 EXP/CS_CK 5
12 EXP_STB 5
13 CLR 5
14 NIGHT_LED 0
15 DVD 0
16 MIX 5
17 DSP 0
18 VDD 5
IC 95(5V REGULATOR)
PIN NO. DESCRIPTION VOLTAGE
1 IN 7.6
2 OUT 4.9
3 GND 0
4 ENABLE 4.9
REF. NO. E C B
Q575~Q580 42.7 40.6 42.2
Q581~Q586 42.2 0.8 40.6
Q587~Q598 0.6 -40.6 0
Q641~Q646 -40.8 39.3 -40.6
Q647~Q652 40.9 7.9 41.1
Q665~Q670 -41.1 -7.9 39.3
Q683~Q688 -1 1 0.4
Q701~Q706 41.6 1 40.9
Q707~Q712 -41.8 -1 -41.1
Q725~Q730 0.5 43 1
Q731~Q736 -0.5 -43 -1
Q743~Q748 0 43.4 0.5
Q749~Q754 0 -43.4 -0.5
Q791~Q796 0 12 0
Q971 12 0 12
Q974 12 0.7 11.5
Q977 0 11.4 0.4
Q979 0 12 0
Q981,Q982 0 12 0
MAIN BOARD
IC 92(12V REGULATOR)
PIN NO. DESCRIPTION VOLTAGE
1 IN 17.3
2 GND 0
3 OUT 12
7-8
REF. NO. E C
Q165~Q170 0 0 -11.7
Q173,Q175,Q177 0 -12.2
Q179 20.2 11.8
Q180 0 20
Q284 0 0 5.7
Q285 0 5.7
Q286 4.8 4.8
Q287,Q288 0 0 0.7
Q291 4.4 4.4
Q292 -12 -12 4.4
Q293 0 0
Q294 0 12
Q901 0 0 0.7
Q903 0 0 4.9
Q905 0 0 2.8
Q906 0 2.8
Q909 0 0
Q908 5.8 15.2 6.4
Q940 -28.6 -32.4 -29.2
MAIN BOARD
B
0
20
0
0
0
0
5
0
0
0