Harman Kardon AVR 370 Service Manual page 179

6
R2209
6.8K
3.3K R2211
R2201
D_FR-
1.5K
R2203
R2202 3.3K
D_FR+
1.5K
5
AGND
D
4
R2206 3.3K R2208
-7V
D_FL+
1.5K
3.3K R2212
R2207
D_FL-
1.5K
R2213
6.8K
R2227
10K
R2219 3.3K R2229
D_SW-
1.5K
R2220 3.3K R2221
D_SW+
1.5K
5
AGND
4
3.3K
R2224 R2226 -7V
D_CT+
1.5K
R2225 3.3K R2230
D_CT-
1.5K
R2231
6.8K
R2245
6.8K
R2237 3.3K R2247
D_SR-
1.5K
R2238 3.3K R2239
D_SR+
1.5K
5
AGND
C
4
R2242 3.3K R2244 -7V
D_SL+
1.5K
R2243 3.3K R2248
D_SL-
1.5K
R2249
6.8K
R2263
R2255 3.3K 6.8K
R2265
D_BR-
1.5K
3.3K
R2256 R2257
D_BR+
1.5K
5
AGND
4
R2260 3.3K R2262
-7V
D_BL+
1.5K
R2261
3.3K R2266
D_BL-
1.5K
R2267
6.8K
MULTI_VOL_L
MULTI_VOL_R
TUN_L
ANA1_L
TUN_R
ANA1_R
ANA2_R
B
ANA2_L
REC_L
REC_R
AGND
R2292
560
6 5
A
AGND
1 2
AGND
ZONE2_MUTE
5
R2210
0
C2208
DAC-R
DAC-R
390P R2218 C2210
+7V 100
10/16V
6 7 8
AGND
3 2 1
DAC-L DAC-L
R2215 C2214
C2209 100 10/16V
390P
R2214
0
R2228 0
C2222
8200P DAC-SW DAC-SW
R2234 C2224
+7V
100 10/16V
6 7 8
DAC-SR
AGND
DAC-SL
3 2 1
DAC-C
C2227 DAC-C
R2233
C2223 100 10/16V
DAC-SBR
390P
R2232
0 DAC-SBL
R2246
0 C2236 AD_LIN
390P DAC-SR AD_RIN
R2251 C2238
+7V
100 10/16V
100/16V
AGND
6 7 8
C2299
MIC_SIGNAL
100/16V
AGND
AGND
C2298
REC_DOWNMIX_L
REC_DOWNMIX_R
3 2 1
BRIDGECO_L
BRIDGECO_R
DAC-SL
C2241
R2254
C2237 100 10/16V
R2250 390P
0
R2264
0
C2250
DAC-BR
390P C2252
R2269
+7V
100 10/16V
AGND AGND AGND AGND
6 7 8
AGND
3 2 1
DAC-BL
R2272 C2255
100
C2251 10/16V
R2268 390P
0
C2257
10/16V
AGND
C2258
10/16V
-12V
C2273
C2265 C2271
R2301 +7V
AGND
5.6K 150P
10/16V 10/16V
C2266 C2274
ZONE2_MUTE
150P
150P AGND
AGND 1 2 3 4
4
14 13 12 11 10
OUT1 OUT2 SEL DGND MUTE
AGND
AGND
3
8 7 6 5 IN1 AGND IN2 AGND VEE
1 2 3 4 5
C2268 C2272
150P
10/16V
C2267
R2295 R2299
AGND
560 10/16V 5.6K
AGND
+12V
ZONE2 VOLUME
4 3
AVR270 ONLY
R2328 100
10/16V
C2306
C2307 10/16V
AGND AGND
-7V
+7V
7 6 5 4 3 2 1
VCC AGND VEE AGND IN2 AGND IN1
CVIBD3812F
IC2211
CLK DATA MUTE DGND SEL OUT2 OUT1
8 9 10 11 12 13 14
ZONE2_VOL_CLK R2329
C2312
100 150P
ZONE2_VOL_DATA R2330 C2313
AGND -7V
100 150P AVR370 ONLY
+7V +8V
D2201
HVD1SR159-200
-7V
AGND AGND
AGND -8V
-7V
+7V D2202
100/16V
C2301 HVD1SR159-200
AGND
AGND
C2300 100/16V
AGND AGND
AGND
40 41 42 43 44 45 46 47 48 49 50 51 52
VOL-L
ADC_L
39 LOUT 1
ADC_R VOL-R
38 ROUT 2
VOL-C
DCAP_6
37 COUT 3
VOL-SL
MONOIN
36 LSOUT 4
VOL-SR
DCAP_5
35 RSOUT 5
*1)L8IN | L7IN IC2201 VOL-SBL
LBOUT
34 6
*1)R8IN | R7IN CVINJU72340AFH2 VOL-SBR
RBOUT
33 7
VOL-SW
*1)L7IN | L6IN
SWOUT
32 8
C2297 100/16V
*1)R7IN | R6IN
DCAP_1
31 9 AGND
*1)L6IN | L5IN C2296 100/16V
30 DCAP_2 10 AGND
*1)R6IN | R5IN
AGND
29 GND 11
100P
*1)L5IN | L4IN C2295
28 DATA 12
*1)R5IN | R4IN
C2294 100P
CLK
27 13
26 25 24 23 22 21 20 19 18 17 16 15 14
AGND
AGND
AGND
AGND
R2325 100K
R2324 100K
R2323 100K
R2322 100K
AGND
R2284
270 TUNER_MUTE
AGND DSP_DOWNMIX_L
C2401
10/16V
AGND
6 5 4
R2289
-12V
100K
1 2 3
AGND
R2286
270
DSP_DOWNMIX_R C2402
10/16V
R2307
ZONE2_VOL_DATA
100
R2308
ZONE2_VOL_CLK
100
C1760
9 8
DATA CLK 10/16V
IC2210
CVIBD3812F
AGND VCC
6 7
+7V
-7V
AGND
ZONE2_PRE_L
ZONE2_PRE_R
2
Sub-Woofer VOLUME
*AVR270
R2335: 1.5K , R2334: 2.2K
+12V
SW1 10/16V C2320
R2335 R2340 R2344
5.6K 560 560
C2314 10/16V
C2318
R2343
1000P 3.9K
AGND
5 6 7 8 AGND
4 5 6 4
AGND
AGND
3
3 2 1
4 3 2 1
C2319
AGND AGND
1000P
SW2
C2315 C2321
R2337 R2341 R2345
AGND
5.6K 560 560
10/16V 10/16V
-12V
HPL-OUT +12V
CVILM7808RTRL +12V
IC2215
VOL-L C2326 C2330 R2350
3 1 +12V 10/16V 10/16V 270
OUT VIN
2
5 6 7 8
AGND 4 5
CVILM7908RTRL -12V
AGND
IC2216 AGND
3 2
-12V
3 OUT IN 2 4 3 2 1
AGND
1
AGND VOL-R C2327 C2331 R2353 FUNC_MUTE
-12V
10/16V 10/16V 270
HPR-OUT
C2332
VOL-C R2360
270
10/16V
4 5
AGND
3 2
AGND
C2333
VOL-SL R2365
10/16V 560 R2368
4 5
AGND 3 2
AGND
C2334
VOL-SR R2380 FUNC_MUTE
10/16V 560
VOL-BL C2335 R2370
10/16V 560
4 5
AGND
3 2
AGND
VOL-BR C2336 R2373
SB_MUTE
10/16V 560
DSP DOWNMIX REC GAIN
-12V
C2407
R2407
REC_DOWNMIX_L
5.6K 10/16V
C2405
AGND 150P
4 3 2 1
AGND
AGND
5 6 7 8
C2406
150P
R2408 C2408
AGND
REC_DOWNMIX_R
5.6K 10/16V
+12V
R1841 C2287 R2319 C2283
0 10K
10/16V 10P
+12V
R2320
AGND 100K
AGND
5 6 7 8
1 2 3 4
IC2223
AGND ECO DESIGN
CVINJU7181RB1
4 3 2 1
8 7 6 5
AGND -12V C2281
10V/22uF
SIGNAL_DETECT
1
CUP12457Z
SW-OUT
FUNC_MUTE
AGND
5 6
2 1
SW2-OUT
R2356
L-OUT
270
FUNC_MUTE
FUNC_MUTE
AGND AGND
6 4 5 6
R2376 0 (OPEN)
1 3 2 1
POWER_HIGH
CURRENT_DET
AGND
FAN1_ON
FAN2_ON
FUNC_MUTE IPHONE_MUTE
R2359
R-OUT
POWER_MUTE
270
PROTECT_IN
R2377
0
POWER_FAIL
R2362
+12V
C-OUT R2411 0
R2378
R2363 270
POWER_DOWN
FUNC_MUTE
0 (OPEN)
3.9K
R2379
SUB2
SW2-OUT
6 AGND
0
SUB
SW-OUT
SL
1 SL-OUT
C
C-OUT
SR
SR-OUT
FL
L-OUT
SBL
SBL-OUT
SL-OUT
FR
R-OUT
FUNC_MUTE
SBR
3.9K
SBR-OUT
AGND
6
1
AGND
SR-OUT
SBL-OUT
R2375
SB_MUTE
3.9K
AGND
6
1
SBR-OUT
PMP
ISSUE
ANAM
MULTI. LAB
12.08.02
REVISION 2 4 6
1 3 5 7
SCHEMATIC DIAGRAM
AVR270/370
MODEL
DESIGN CHECK APPROVE DRAWING NO
1437SCPZ
K.M.S L.J.H Y.W.Y
(VOLUME&FILTER)
12.08.02 11.12.27 11.12.27
D
C
B
A
SHEET
9
9