Table of Contents
Advertisement
AF 3/4 Schematic Diagram < AMP UNIT Section >
1
2
3
A
3300
1K
B
2342
3342
6CH_LS
1K
1u
GND_S
GND_S
2344
3344
6CH_RS
1K
1u
C
GND_S
2300
GND_S
LINE_L
100n
2350
LINE_R
100n
D
3357
1K
E
3307
1K
2343
3343
3321
6CH_CTR
15K
1u
1K
F
GND_SUB
GND_SUB
2345
3345
3370
6CH_SUB
1K
1u
1K
GND_SUB
GND_SUB
2304
3306
LINE_L
G
1u0
1K
2354
3356
LINE_R
1K
1u0
H
#
Component under item 1380
*
Provision in layout only
DC voltage measured in DISC mode PLAY
1
2
3
1-12-91
4
5
6
GND_S
3351
1K
7330
TDA7468
4.7V
4.7V
+9V4
7
8
27
VOLUME I
TREBLE
1
POWER
SUR.
SUPPLY
LEFT
28
GND_S
4.7V
3
3318
4.7V
4
SOURCE
1K
5
SELECTOR
LOGIC
6
2340
GND_S
4.7V
2
3368
1n
23
1K
24
VOLUME I
TREBLE
4.7V
25
SUR.
3301
RIGHT
4.7V
26
1K
22
21
3350
4.7V
4.7V
1K
GND_S
GND_SUB
7331
TDA7468
4.7V
4.7V
+9V4
7
8
9
27
VOLUME I
TREBLE
1
POWER
SUR.
SUPPLY
LEFT
LEFT
4.7V
28
GND_SUB
4.7V
3
4.7V
4
SOURCE
5
SELECTOR
LOGIC
GND_SUB
6
2341
4.7V
2
1n
23
24
VOLUME I
TREBLE
4.7V
25
SUR.
RIGHT
RIGHT
26
4.7V
22
21
20
4.7V
4.7V
GND_SUB
4
5
6
7
8
9
3302
1K
4.7V
4.7V
3303
2302
9
10
11
100R
1u
BASS
VOLUME II
12
4.7V
LEFT
LEFT
LEFT
GND_S
GND_S
2393
470n
16
BASS ALC
4.1V
GND_S
I2C_CLKS
3395
4.9V
14
1K
IIC BUS
15
4.9V
3396
I2C_DATA
REC
13
1K
2390
GND_S
100n
GND_D
VOLUME II
BASS
4.7V
17
2352
RIGHT
RIGHT
RIGHT
3353
100R
1u
20
19
18
4.7V
4.7V
GND_S
GND_S
3352
1K
3316
1K
4.7V
4.7V
10
11
BASS
VOLUME II
1u
4.7V
3308
12
CTR
LEFT
100R
2307
LEFT
3315
7301
1K
470n
4.1V
BC847B
16
BASS ALC
2389
GND_SUB
3393
I2C_CLKC
14
4.9V
IIC BUS
1K
15
4.9V
3394
I2C_DATA
REC
13
1K
VOLUME II
BASS
2386
17
RIGHT
RIGHT
GND_SUB
GND_D
100n
19
18
4.7V
4.7V
4.7V
2357
1u
3358
220R
2318
1u
GND_SUB
GND_SUB GND_SUB
7
8
9
10
11
12
13
1231
T334
AMP_Ls
1
T335
2
T336
GND_S
AMP_Rs
3
T337
4
AMP_ON_S
T338
5
AMP_C
GND_SUB
T339
6
T340
7
AMP_ON_LRCS
8
T342
9
FREQ_HOP
10
NTC
1238
1
6CH_L
2
7334
BC857B
+5V_MUTE_1
3
GND_LR
6CH_R
4
6CH_SUB
5
3389
MUTE_C
6
GND_SUB
6CH_CTR
1K
7
*
6CH_LS
8
9
GND_S
6CH_RS
10
2CH_L
GND_D
11
12
2CH_GND
2CH_R
T333
13
2CH_6CH
SUBW
10
11
12
13
1-12-92
1231 C13
T340 D13
1238 E13
T342 D13
2300 C2
2301 A6
2302 A9
2303 A8
2304 G2
2305 E6
2306 E8
2307 E9
2310 D4
A
2311 D4
2312 H3
2313 H4
2316 H6
2317 H7
2318 H7
2320 B2
2321 C2
2322 F2
2323 G2
2340 B4
2341 F4
B
2342 B2
2343 F2
2344 C2
2345 F2
2350 C2
2351 D6
2352 C9
2353 C8
2354 G2
FE-BT-VK-N
2355 G6
2356 H8
2357 G9
C
2360 D4
2361 D4
2362 H4
2363 H4
2381 F10
2386 G8
2387 F8
2388 F8
2389 F8
2390 C9
2391 C8
D
2392 C8
2393 B8
2394 E4
2395 E3
2396 E3
2397 B4
2398 B4
2399 B3
3103 A9
3300 B3
3301 C3
3302 A7
E
3303 A8
3304 E9
FE-BT-VK-N
3306 G3
3307 E3
3308 E8
3315 E9
3316 D7
3318 B3
3321 F3
3342 B1
3343 F1
3344 C1
F
3345 F1
3346 B1
3347 F1
3348 C1
3349 G1
3350 C3
3351 A3
3352 D7
3353 C8
3354 C9
3356 G3
3357 D3
G
3358 H8
3360 H9
3366 H6
3368 C3
3369 H7
3370 F3
3384 F11
3389 F11
3393 F8
3394 F8
3395 B9
H
3396 B9
7301 F9
7334 E10
T333 G13
T334 C12
T335 C13
T336 C12
T337 C13
T338 C12
T339 C13
E9015SCAF3
Hide quick links:
Advertisement
Chapters
Table of Contents
