Philips MX3900D Service Manual page 18

FRONT DISPLAY PART - CIRCUIT DIAGRAM
1100 A8 1106 E13 2104 G1 2108 F6 2112 F5 2116 H7 2120 H7
1101 C2 2101 F3 2105 G3 2109 F6 2113 G5 2117 H5 2121 G12
1104 A13 2102 F2 2106 H1 2110 F5 2114 H4 2118 H5 2122 G10
1105 B13 2103 F2 2107 H2 2111 F8 2115 H7 2119 H7 2123 G10
1 2
+D +D
7106 7107
BC847B BC847B
A
+D +D
B
7108 7109
BC847B BC847B
C
1101
1
+C
2
3
4
RotaryVolB
5
GND_B
6
RotaryVolA
D
7
Rot_Jog_B
8
9
Rot_Jog_A
10 LPS_LED
11
12
Stdby_LED
13
+E
E
FE-ST-VK-N
6119
+E
1N4003
F
2102
1n0
+D
7102
5 12
SAA6581T
VDDA VDDD
2u2
4 57 Khz POW SUPPL 3
MPX VREF
BANDPASS &
(8th ORDER) RESET 2105
G
SYNC
10
8
SCOUT
3109
VSSA RDCL TuRdsClk
16
7 CIN
CLOCKED RDS/RBDS
1K0
RDDA
2
COMP DEM
15 TCON
OSC SIGNAL
QUAL 1
TEST
& QUALITY
9 MODE
CTRL
CLK DET
3111
TuRdsData
1K0
VSSA VSSD
13 14 6 11
H
3113 3114
220K
2K2
5105
2106
2107
82p
AT-51
47p
1 2
6-2
2124 G10 2128 G1 2132 B8 2136 A3 2140 B3 3106 F4
2125 G11 2129 H11 2133 A1 2137 B1 2141 F4 3107 F1
2126 H9 2130 B8 2134 A2 2138 B2 2142 H9 3108 F1
2127 H11 2131 B8 2135 A2 2139 B2 3105 F4 3109 G3
3 4 5
HN-13LM05T
-F2
7100
TMP88CU74F
64 63 62 61 60 59 58 57 56 55 54
65
P12
V24
66
V25
P13
8-Bit high breakdown voltage
8-Bit h. break. v.
67 V26 out w. latch P8 output port with latch
P14
80k pull down
68
V27
P15
69
V28
P16 VFT driver circuit (automatic display)
70 V29
P17
71 V30
Key1 P18
72 V31
Key0 P19
RAM
73 V32
P20
6103 1N4148 74 V33
LPS_LED
1N4148 CPU
6100 75
V34
Stdby_LED
6101 1N4148
76
V35
AUX_SEL
77 V36
VKK
78 sink o.
8-Bit Input/Output
8-Bit I/O P2
-SCK1
-Vkk 79
(tri-state) sink o.drain
P0
SI1
80
RC6
DVD_5V
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
Rot_Jog_A
5102
+5V6
32K768
6105
VU_IN
BAS316
TuRDS
3118
7104
BC847B
4K7
+C
+C
3130
680K
7105
BC847B
3 4 5
3110 G3 3114 H2 3118 F5 3122 H6 3126 H9 3130 H5 3158 F10
3111 H3 3115 F8 3119 G8 3123 H9 3127 H11 3131 H6 3159 F10
3112 H3 3116 F8 3120 G9 3124 H10 3128 H9 3132 H5 3160 F10
3113 H1 3117 F8 3121 H10 3125 H4 3129 H10 3133 H9 3161 F12
6 7 8
1100
5100 6108
2u2
-F1 BAS316
+C
6113
53 52 51 50 49 48 47 46 45 44 43 42 41
1N4003
VDD 40
GND_B
VAREF 39
8-Bit high breakdown v.
P7 output port with latch P6 VASS 38
GND_B
80k pull down
80k pull down
AIN13 37
P6-P9 source open drain TuRdsData
36
AIN12
TuData
35
AIN11
TuClk
34
AIN10
A0
33
AIN7
A1
Program
ROM
32
Counter AIN6
A2
AIN5 31
MUX_DET
AIN4 30
8-Bit A/D VU_IN
Converter
29
AIN3
Options
AIN2 28
DVD_On
drain AIN1 27
Key1
8-Bit Input/Output 3-B. I/O P3
26
(tri state) AIN0
P1 ( tristate ) Key0
-SCKO
25
I2C_Clk3
20 21 22 23 24
5103
+D
7103
M24C02 8
1
VCC
E0
2
E1
3 5 3117
I2C_Data
E2 SDA
1K0
6
SCL
7
WC_
VSS
4
3119 I2C_Clk1
1K0
3120
6106
F1
+5V6
+D
3123
1N4003
3128
+5V6 +5V6 6107
-Vkk
BZX79-B5V6
6 7 8
6-2
3162 F12 3166 A1 3170 A11 3174 D3 5100 B8 5105 H1 6105 F4
3163 G12 3167 A2 3171 A11 3175 D3 5102 E5 6100 D4 6106 H7
3164 G11 3168 B1 3172 A11 3176 D4 5103 E6 6101 D4 6107 H9
3165 G11 3169 B3 3173 B11 3177 E12 5104 F7 6103 D4 6108 B9
9 10 11
+E
3170
I2C_Clk_DVD
10K
3171
I2C_Data_DVD
10K
3172
I2C_Clk2
10K
3173
I2C_Clk3
10K
+5V6_ECO
+5V6
DC Voltage measured in DISC Mode PLAY
* Provision in layout only
+E
TuRDS
3161
TuStereo
3162
TuClk
2121
TU_GND
TuData
3164
TuCE
22K
3121
F2
-F1 -F2
10R 10R
3124 GND_B
10R 3129 10R
9 10 11
6113 B9 7104 F6 7108 B2
6118 F4 7105 H4 7109 B3
6119 E3 7106 A1
7103 F7 7107 A3
12 13
1104
1
I2C_Clk_DVD
A
2
3
I2C_Data_DVD
4
DVD_IntReq
FMN
1105
1
A0
2
A1 B
3
A2
4
I2C_Clk3
5
6
I2C_Clk2
7
8
I2C_Clk1
9
C
10
I2C_Data
11
DVD_On
12
DVD_5V
13
+5V6
14
15
-Vkk
16
D
F1
17
F2
FE-ST-VK-N
E
1106
1
PowerDown
2
3
LPC
4
5
+5V6_ECO
MUX_DET
6
MUX_VU 7
F
8
1K0
9
1K0
10
100p
11
3163 1K0
12
13
FE-ST-VK-N G
TU_GND
H
8239 210 94112 dd 20 Jan 2003
12 13