Nicam Sound Panel - Philips L7.3A Service Manual

Table of Contents

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7
Diagrams and print lay-outs
1
2
3
NICAM PANEL
A
+8VA
+8V
3247
5203
4u7
10R
B
5V6
7215
0V
BC848B
0V
0V
0V
7216
0V6
BC848B
C
C3
1
2
3
D
4
5
6
+8V
7
8
9
10
E
11
12
13
14
15
16
17
F
C2
3250
1
1R
2
3
4
5
G
6
7
H
1
2
3
L7.3A
4
5
6
N1
5V6
6V9
5205
7209
7214
5V3
5V5
+5VA
BC848B
BC337
10u
N2
4V9
4V9
5204
+5VB
10u
7202
MSP3410B
1
2V2
AUD_CL_OUT
2
0V
CW_CL
3
0V
CW_DA
4
0V
D_CTR_OUT1
5
0V
3216
D_CTR_OUT0
SCL
STANDBY
6
1
5
0V
100R
ADR_SEL
+5VB
7
4V8
STANDBYQ
8
0V
D_CTR_IN
LEFT_OUT
9
2
4V2
I2C_CL
RIGHT_OUT
3217
10
3
SDA
4V1
I2C_DA
4
100R
11
2V4
I2S_CL
SDA
12
4
2V4
I2S_WS
SCL
13
5
2V4
I2S_DA_OUT
14
0V5
I2S_DA_IN
CVBS_SOUND
15
6
0V5
S_DA_IN
MOD_R_IN2
16
7
0V4
S_ID
17
0V5
S_CL
MOD_L_IN2
18
8
4V9
+5VB
DVSUP
19
0V
DVSS
20
0V5
S_DA_OUT
21
0V
FRAME
STANDBY
22
1
0V
+5VB
N_CL
23
0V
N_DA
MOD_R_IN1
24
9
4V8
RESETQ
MOD_L_IN1
2243
25
10
0V
DACA_R
2244
1n
26
0V
DACA_L
1n
N3
27
0V
VREF2
2237
28
AMP_R
0V
DACM_R
12
220n
29
AMP_L
0V1
DACM_L
11
30
0V
TESTIO2
N4
2239
31
0V
C_DACS_R
2240
390p
32
0V
C_DACS_L
AMP_L
390p
11
AMP_R
12
4
5
6
28
7
8
9
2226
64
0V
DMA_SYNC
10p
63
2V2
XTAL_OUT
2225
62
2V2
NICAM/2CS
2CS
XTAL_IN
REF
MULTI
KOREA
10p
61
0V
TESTIO1
2210
27p
39p
2213
60
0V4
2222
220p
180p
ANA_IN2+
2223
---
120p
2215
59
47p
1V5
ANA_IN-
47p
2214
2210
58
1V5
ANA_IN1+
+5VA
15p
*
57
4V9
AVSUP
56
*
0V
AVSS
2222
2227
55
3V6
MONO_IN
100n
54
2228
*
2V5
VREFTOP
4215
10u
53
N5
3V6
SC1_IN_R
2220
52
N6
3V6
SC1_IN_L
2221
220n
51
0V
ASG1
2216
220n
50
3V6
SC2_IN_R
2217
220n
49
3V6
SC2_IN_L
48
220n
0V
ASG2
47
3V6
SC3_IN_R
46
3V6
SC3_IN_L
45
0V
BAGNDI
2212
44
3V6
PDMC2
470p
2211
43
3V7
PDMC1
2241
42
470p
3V6
AGNDC
AGNDC
2242
41
4u7
0V
AHVSS
2230
40
100n
7V2
CAPL_M
10u
39
+8VA
8V1
AHVSUP
2229
38
7V1
CAPL_A
10u
37
3V6
SC1_OUT_L
36
3V6
SC1_OUT_R
35
0V
VREF1
34
3V7
SC2_OUT_L
33
3V6
SC2_OUT_R
7
8
9
10
11
12
CVBS_SOUND
6
MOD_R_IN1
9
MOD_L_IN1
10
MOD_R_IN2
7
MOD_L_IN2
8
LEFT_OUT
2
RIGHT_OUT
3
CL 86532018_021.AI
10
11
12
C2 F3
C3 D3
1204 C7
2210 C9
2211 F7
2212 E7
2213 C7
2214 C8
2215 C7
2216 E7
2217 E8
A
2220 D7
2221 D8
2222 D8
2223 D9
2224 D8
2225 C8
2226 C8
2227 D7
2228 D7
2229 F7
2230 F7
B
2231 G7
2232 E5
2234 F5
2237 F5
2239 G5
2240 G5
2241 F7
2242 F7
2243 F5
2244 F5
2261 B4
2262 D8
C
2263 A2
2266 B3
2271 G4
2272 G5
2273 B3
2274 B4
2276 C5
2277 D5
2278 D5
2279 C5
2280 E8
2281 E8
D
2282 E8
2283 E8
3216 C5
3217 D5
3222 D9
3224 F4
3243 A3
3244 B3
3246 C2
3247 A3
3248 B2
E
3250 F3
3254 B2
4215 D8
5203 A2
5204 B5
5205 B5
5206 D8
6204 F5
6205 B3
7202 B6
7209 B4
7214 B4
F
7215 B3
7216 C3
G
H
N1
4.1V DC
N2
4.2V DC
N3
0.2ms AC
010498
CL 86532018_011.AI
020498

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