11-7
11-7
1
1
1
1
1
1
F228 A4
F229 D1
F230 E2
F231 G2
F235 F12
3350 F4
4301 A5
5300 A8
5302 D8
5303 A1
6300 E4
7309 B9
7312-6 C10
7315 D1
470R for
75 Watt only
7316 C9
7317 E2
7319 E3
7320-1 G9
7320-2 F9
7321 F1
7323 F10
3332 E8
3334 E7
3336 G9
3337 G10
3338 G7
7324 G11
9397 H4
9398 H4
9399 G4
F221 F3
F226 C3
3345 H1
3346 E1
BEAD 90MHz
OSCILLATOR
F236 G12
3317 D8
3318 C7
3319 H10
3320 B10
3321 E2
3322 E4
3323 F2
7311 B2
7312-1 B6
7312-2 B10
7312-3 B8
7312-4 B12
7312-5 B11
3330 F11
3331 H11
PRE-AMPLIFIER
2333 F7
2334 A10
2335 F12
2336 H12
2337 F1
2339 A4
2340 E11
3339 G8
3340 E10
3341 B8
3342 G2
3343 G1
3344 G1
3307 H12
3311 B3
3312 B6
3314 E3
3315 C5
3316 F8
2306 A1
2309 A3
2312 E1
2313 C6
2314 D9
2316 D2
2317 E10
3324 C8
3325 F12
3326 G12
3327 D10
3328 E9
3329 F10
2325 G8
2326 D9
5
6
2327 F9
2328 G11
2330 E11
2331 E7
2332 F7
2
3
4
5
6
2341 G12
3302 B7
3303 B5
3304 A2
3305 A3
3306 G12
11
12
E
F
3313 D2
2303 B6
2304 D3
2305 B5
E
F
G
H
2300 A7
2318 E8
2319 A1
2320 H1
2321 G2
2322 G3
2324 E7
75 Watt only
4
10
7
8
9
2329 G7
11
12
1
7
8
9
10
A
B
C
D
G
H
A
2301 A9
B
C
D
470R for
1
2
3
BC857BW
7316
4301
11
10
100K
3312
9399
74HCU04D
7312-5
3328
8K2
3
4
BZX384-C3V3
6300
7312-2
74HCU04D
9
8
7312-4
74HCU04D
F226
GND_SHIELD
100n
2306
2330
22u
50V
1K0
3315
120R
3342
13
7
14
12
74HCU04D
7312-6
GND_SHIELD
2314
220p
47K
3306
2300
220p
2333
100p
9398
100n
2336
100n
2335
2327
100p
10K
3311
10K
3320
2329
4u7 50V
2319
100n
GND_SHIELD
GND_SHIELD
3337
330R
GND_SHIELD
BC847BW
7319
100n
2320
5303
3314
47K
3319
2K2
5
6
74HCU04D
7312-3
3332
7315
LM317P
A
I
O
3K3
150K
3326
4K7
3350
GND_D
GND_SHIELD
3323
820R
7321
LM317P
A
I
O
6K8
3305
22R
3304
1M0
3324
1u0
2339
TL431ACLP
7311
2
1
3
GND_SHIELD
F221
10u
2337
3346
47R
3340
330R
1K0
3321
F236
2322
100n
1K0
3334
2
47u
2304
7312-1
74HCU04D
1
3331
10K
3339
2K2
2331
2313
7406
1n0
50V
4u7
50V 22u
2328
220R
3313
BC817-25W
7324
3318
100K
2324
4u7
F235
F228
7323
BC817-25W
MUTE
MUTE
8
4
2316
100n
7320-1
NJM4560M
3
2
1
47u
2321
2340
22u 50V
F230
150K
3325
GND_SHIELD
GND_SHIELD
220p
2301
425K
5302
CSBLA
2325
470p
GND_SHIELD
GND_SHIELD
2341
22u 50V
3327
33R
100n
2312
27K
3316
3317
33K
GND_SHIELD
F229
3341
6K8
2309
10u
1u0
2305
470R
3344
3338
1K0
2332
100p
2326
100p
470p
2318
3329
2K2
470p
2303
CSBLA
5300
500K
F231
100K
3302
GND_M
2334
33p
470R
3345
GND_SHIELD
10K
3330
10K
3322
5
6
7
8
4
GND_SHIELD
NJM4560M
7320-2
3343
150R
7309
BC847BW
47K
3307
9397
GND_D
GND_M
7317
BC847BW
GND_SHIELD
10K
3303
3336
12K
GND_SHIELD
GND_SHIELD
2317
10u
+5V6
+5V_AMP
GND_A
GND_A
+D
+D
+5V6
V_MID
+12V_A
+D2
LOZ
ROZ
GND_A
RNF
LNF
GND_A
+5V6
+5V6
GND_A
+OZ
+5V_AMP
+OZ
VOL_LEFT
GND_A
+12V_A
GND_A
GND_A
GND_A
GND_A
GND_A
VOL_RIGHT
LOW_PWR_CTRL
+12V_M
OZ_SW
high level = 425kHz
low level = 500kHz
GND_A
GND_A
AMP_MUTE
COMBI BOARD
SUPPLY, OSCILLATOR & PRE-AMP
Combi board P2003 150W class D, 09.04.04
1
3
1
1
2
1
2
5
4
5
4
1
1
2
2
3
3
3
4 5
1 2
1 2
3 5
4,4V
0V
2V
2,1V
2V
2,1V
2V
2V
1,9V
4.2V
pin14
7312
0V
4.35V
10.4V
10.4V
10.9V
5.6V
5.6V
4.7V
11,6V
1,9V
1,9V
1,9V
1,9V
0V
2,4V
11,6V
*/0,7V
*/0,7V
5,8V
5,8V
5,8V
5,8V
5,8V
5,8V
11.7V
2.2V
0.7V
22.9V
A
A
for wave forms see chapter 11-2 Service Hints
... / ... V off/on
* ... not defined, floating
Attention:
Adjustment to 0V
±
1mV DC has to be done with "cold" set.
After operating a few minutes the value may increase up to 30mV.
adjust to
0V
±
1mV DC on speaker terminal
0V
4,2V
0V
4,2V
...V DC voltages
measured in tuner mode
EVM
V