Sch23_Audio Volume - Marantz AV8802/U1B Service Manual

1 2 3
A
B
C
D OPEN
B3201
BDL
BDL
6
C3201 R3223
R3201
5 820K
470 330P
INPUT
C3202
R3202 R3224
330P
470 820K
1
BDR
BDR
2 CDL
BDR
DVDL BDL
DVDL
7
C3203 R8063
R3203 R3225
470 330P R8064
820K
E
MPR
INPUT
C3204 MPL
R3226
R3204
330P
820K
470
DVDR
DVDR
3 EXT_FL
EXT_FR
CBL/SATL EXT_SW
CBL/SATL 8
C3205
R3205 R3227
470 330P
820K EXT_C
R3267
INPUT
C3206 R3228 EXT_SL
R3206
RCA-637-00-04
UP 820K
470 330P EXT_SR
F
CBL/SATR C3241
CBL/SATR
4 K3102
GAMEL
GAMEL
8
R3207 C3207
R3229
470
330P
820K
INPUT
C3208
R3208 R3230
330P 820K
470
GAMER
GAMER
4
G
CDL
CDL
7
C3209
R3209 R3231
330P
470 820K
INPUT
C3210
R3232
R3210 330P
820K
470
CDR
CDR
3
MPL
MPL 6
C3211
R3211
R3233
5 470
330P
820K
H
INPUT
C3212 R3234
K3103 R3212
470 330P 820K
1
MPR
MPR
2
RCA-637-00-04
J
EXT_FL
EXT.FL
8
C3215
R3215 R3237
330P
470 820K
FRONT
C3216
R3238
UP
R3216 330P
820K
470
EXT_FR
EXTFR
4
EXT_SL
K EXTSL 7
C3217
R3217 R3239
470 330P 820K
SURR.
C3218 R3240
MID K3104
R3218 330P 820K
470
EXT_SR
EXTSR
3
RCA-637-00-04
EXT_SBL
EXTSBL
8
R3219 C3219
R3241
470 330P 820K
L S.BACK
C3220 R3242
UP
R3220 330P 820K
470
EXT_SBR
EXTSBR
4
EXT_SW
EXTSW
7
C3221
R3221 R3243
470 330P
820K
C/SW
C3222
R3244
MID
R3222 330P
820K
470
EXT_C
EXTC
M
3
K3105
RCA-637-00-04
GND LINE POWER+ LINE POWER- LINE AUDIO SIGNAL
1 2 3
4 5 6
N3209
C3242
220/16
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
81 DATA 50
82 I NR12 49
CLOCK
83 I NL12 DGND 48
0
84 I NR13 SUBR1 47
0
85 I NL13 SUBL1 46
86 I NR14 SBLCIN 45
87 I NL14 44
SBRCIN
88 RECR3 FRIN2 43
89 RECL3 FLIN2 42
U3201
90 FLIN1 41
SRIN2
R2A15220FP
91 FRIN1 SLIN2 40
92 CIN1 SWIN2 39
93 SWIN1 38
CIN2
94 SLIN1 SBRIN2 37
47K
95 SRIN1 36
SBLIN 2
96 SBLIN1 SLCI N 35
97 SBRIN1 SCRI N 34
220/16
98 SBLC 33
SUBR2
99 SBL_PreOUT SUBL2 32
100 SBLOUT AVCC 31
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
C3305 C3309
0.01 0.01
Z3LLINE C3301 C3317 C3321 R3341
R3321
3 8 R3333
R3313 C3313 39K 100P 100P
47
10/16 C3325
1/2 1 4.7K
100 10/16 10/16
2
U3205 R3329 R3337
R3305
2 4 6 8
R3317 22K 4.7K
150K NJM8080G
R3323
1/2 2/2
100K 1 7
39K
R3309 3 5
U3207 U3207
330K
NJM8080G
NJM8080G
U3208
U3208
R3310
NJM8080G
NJM8080G
330K 3 5
R3318
R3324
100K
1/2 1 2/2 7
R3306 NJM8080G 39K
22K 4.7K
2 4 6 8
150K
U3205 R3330 R3338
6
C3326
R3334 R3342
2/2 7 10/16
Z3RLINE C3302 47
4.7K C3322
R3314 C3314 R3322 C3318
5 4
100 10/16 39K 100P 100P
10/16 C3306 C3310
0.01 0.01
C3307 C3311
C3303 0.01 0.01
R3315 C3319 C3323
Z2LLINE R3325
3 8 R3335 100P
100 C3315 39K 100P
R3343 C3327
10/16 4.7K
1/2 1
47 10/16
10/16
2
R3307 U3206 R3331 R3339
2 4 6 8
22K 4.7K
150K NJM8080G R3319
R3327
1/2 1 2/2
100K 7
39K
R3311
3 5
U3209
330K U3209
NJM8080G NJM8080G
U3210
U3210
R3312
NJM8080G NJM8080G
330K 3 5
R3320
R3328
100K
1/2 1 2/2 7
NJM8080G 39K
R3308 22K
4.7K
2 4 6 8
150K R3332 R3340
U3206
6
C3316
R3344 C3328
2/2 7
C3304 47 10/16
Z2RLINE R3316 10/16 R3326 C3320 R3336 C3324
5 4
4.7K
C3308 100 39K 100P 100P
10/16 C3312
0.01 0.01
TMDS SIGNAL ANALOG VIDEO DIGITAL VIDEO
4 5 6
7 8 9 10
8F TO F8
TO N504
7 8
R3374
5 6
OPEN
3 4
1 2
B3202
OPEN
DA_FR
DA_FL
7 8
R3371
5 6
47Kx4
3 4
1 2
80 79 78 77 76 75 74 73 72 71 70
R3372 7 8 INL11/RECL5
VOLDATA
47Kx4 81
5 6
VOLCLK1
82 INR1 2
3 4
1 2 83 INL1 2
Z2RLINE
84 INR1 3
R3373 7 8
Z2LLINE
47Kx 4 5 6 85 INL1 3
R3284 47K
86 INR1 4
3 4
R3285 47K
87 I NL14
1 2
AMPIN_SBR
DA_FR
88 RECR 3
DA_FL AMPIN_SBL
89 RECL3
DA_RSV
90 FLIN1
DA_C
91 FRIN1
DA_SW2 PREOUT_FL
92 CIN1
DA_SW1 PREOUT_FR
93 SWIN1
DA_SR
94 SLIN1
DA_SL
95 SRIN 1
R3286 47K
96 SBLIN 1
C3251
R3287 47K
97 SBRIN1
220/16
Z3RLINE
98 SBLC
Z3LLINE
99 SBL_PreOUT
C3250 220/16
R3288
100 SBLOUT
47K
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
R3349 100
PREOUT_Z3L
C3343 3300P
C3355
C3359 0.1
10/16
R3353
4.7K R3361
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 100K
NJW1194
U3203
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 R3362
R3354
100K
4.7K
C3360 0.1
C3344 3300P C3356
10/16
R3350 100 PREOUT_Z3R
R3351 100
PREOUT_Z2L
C3345 3300P
C3357
C3361 0.1
10/16
4.7K R3363
R3355
100K
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
NJW1194
U3204
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
R3356
R3364
4.7K
C3362 0.1
100K
C3346 3300P C3358
10/16
R3352 100 PREOUT_Z2R
7 8 9 10
165
11 12 13
69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
VOLDATA
DATA 50
VOLCLK2
49
CLOCK
DGND 48
AMPIN_FWR
SUBR1 47
AMPIN_FWL
SUBL1 46
EXT_SBL
SBLCIN 45
EXT_SBR
44
SBRCIN
FRIN2 43
FLIN2 42
U3202
DA_HR
41
SRIN 2
R2A15220FP DA_HL
SLIN2 40
DA_FWR
SWIN2 39
DA_FWL
38
CIN2
DA_SBR
SBRIN 2 37
DA_SBL
36
SBLIN 2
SLCIN 35 7 8
SCRI N 34 R3376
5 6
33 47Kx4
SUBR2 3 4
SUBL2 32 1 2
AVCC 31
C3259
220/16
AMPIN_FR
AMPIN_FL
8 U - 2 1 0 1 6 3 - 1 ( 2 / 4 )
A.AUDIO/VIDEO_UNIT
SCHEMATIC DIAGRAMS (23/38)

SCH23_AUDIO VOLUME

11 12 13
14 15 16
A
B
G1
TO 1G
C
H /PIN_F L
H/PIN_FL
H/PIN_FR
H/PIN_FR
PREGND
PREOUT_Z3R
PREOUT_Z3R
N3204 N3206
PREOUT_Z3L
PREOUT_Z3LL
TO N101 TO N103 PREOUT_Z2 R PREOUT_Z2R
PREOUT_Z2 L
PREOUT_Z2
D
R3378 OPEN
N3204 R3379
14P-PH
OPEN
1 7 8 N320 6
12P-PH
2 5 6
PREOUT_FL .PREOUT_FL
. PREOUT_F L
3 3 4 1
PREOUT_FR
.PREOUT_FR . P REOUT_FR
4 2
1 2
5 7 8 3
PREOUT_SL
. PREOUT_SL
. P REOUT_SL
6 5 6 4
PREOUT_SR
.PREOUT_SR .PREOUT_SR
7 5
3 4
8 1 2 6
PREOUT_C
.PREOUT_C .PREOUT_C
9 7
R329 8 OPEN
8
10
E
11 7 8 9
PREOUT_SW1
.PREOUT_SW 1 .PREOUT_SW1
12 10
5 6
PREOUT_SW2
.PREOUT_SW 2 .PREOUT_SW2
13 3 4 11
14 1 2 12
R338 1
R338 0 .PREOUT_SBL
OPEN
OPEN
.PREOUT_SBR
N3205 7 8
N3205 N3207
11P-PH
9P-PH 5 6
PREOUT_SBL .PREOUT_SB L N9021 OPEN
1 1 9
3 4
PREOUT_SBR .PREOUT_SB R
2 1 2 2 8
3 7 8 3 7
PREOUT_FWL .PREOUT_FWL
4 6
5 6 4
PREOUT_FWR .PREOUT_FWR
5 3 4 5 5
6 6 4
1 2 F
PREOUT_HL
.PREOUT_HL
7 7 8 7 3
PREOUT_HR .PREOUT_HR
8 5 6 8 2
9 9 1
3 4
R3382 1 2 10
R3383
.PREOUT_FWL
OPEN
11
OPEN
.PREOUT_FWR
TO N102
N3207
.PREOUT_HL
TO N104 N3201 .PREOUT_HR
OPEN
I NGND
GND
10
AMPIN_FL FL
9
I NGND
GND
8 G
AMPIN_C
C
7
I NGND
GND
6
AMPIN_SL
SL
5
I NGND
GND
4
AMPIN_SBL SBL
3
I NGND
GND
2
AMPIN_FWL FHL
1
H
N3202
I NGND
OPEN
1 GND
AMPIN_FR
2 FR
I NGND
3 GND
AMPIN_S R
4 SR
5
GND
AMPIN_SBR J
6 SBR
I NGND
7 GND
AMPIN_FWR
8
FHR
I NGND
K
L
M
14 15 16