Marantz AV7703 Service Manual page 82

B
VIDEO PCB faulty.
Extend the DIGITAL PCB using the jig.
YES
Check the I2C signal and power supply of the
video selector IC.
VIDEO PCB (IC511)
V+3.3V : J5043
V-5V : J5042
I2C(SCL) : J5046
I2C(SDA) : J5047
YES
Check the input signal of the video selector IC.
VIDEO PCB (IC511)
V : C5107
OMPONENT-Y : J5010
COMPONENT-Cb : J5007
COMPONENT-Cr : J5006
YES
Check the output signal of the video selector IC.
VIDEO PCB (IC511)to MONITOR to DIGITAL PCB
V : J5019 BN21B-17pin
OMPONENT-Y : J5016 BN21B-15pin
COMPONENT-Cb : J5028 BN21B-13pin
COMPONENT-Cr : J5029 BN21B-11pin
YES
· MONITOR OUT
Output connector (JK511 or JK513) or pattern fault
· HDMI OUT
FRONT CNT PCB (BN21B) connection is faulty or FRONT CNT PCB pattern is faulty.
NO
Power supply IC (IC513) faulty.
SIDE CNT PCB (BN28B) faulty.
Video selector IC (IC511) faulty.
NO
IC511 part is faulty.
NO
IC511 soldering problem or IC511 is faulty.
DIGITAL test point
D4332 D4312
DA6
DA7 CK7 CK6
M2_DA M1_DA
Z2_DA
JK432 B
D4336
R4353 R3979
M2_HPD JK431 JK394 D3945 JK392 F
D4319 D4318 +5V_7 +5V_6
HPD7 HPD6
TP39 T278 T273
M1_+5V
M1_HPD C
TP40 D3921 R3956
TP31
TP17
RN440
C
RN449
RN439
IC431
R4367
R4368 RN451 R4334 C3934
C4423 R4369 B F
RN450
C4383 TP108
C4417 D3941 R3966
TP105 C1278
C1277
TP103
C4396
HO_PCK C4382 C1196
R4333 IC391 TP18
TP102
R4331 C4337
L4301
R4324 R1192
L4304 R1195
R1194
TP107
C4404 C4421
R4323 TP54
C4336 X4301
R4328 TP91
TP53
R4326
TP86 TP88 TP87
TP106 TP58
TP57
BK106
DIP T219 T142
C1373
L1214 IC124 Q1107
T141
L1213
C1214 L1215
TP4
L1212 PO_HS DE_RST
L1211 C4043 PO_VS TP3 TP11 TP12
IN PO_DE
C1212 T19
C1213 IC402 IC403 C4016 TP2
TP1
R1216 HO_VS TP13
RN423 IC351
HO_DE
C1211 HO_HS IC421
R4238 R3527
C3711
R1132 R4087 R4236 R3540 C3722
R1131 C1131 R4239
R1133 R3528 C3715
C3727
C3724
R3529
R3530
N_PCK
RN413 RN411 RN414 RN412 RN415 RN408 RN406 RN409 RN407 RN410 RN351 RN353
R4249 RN354
R1256
N_HS
N_VS
C3742 C3501
RN401 RN403 RN405
L3501
J_TDO N_DE
L4005 R4080 R4079
C1246
IC401 RN428 X3501
J_TDO1
L4003
C3571
R4022
R4019
L4008 R4015
R4072 R4011
R4008
L4010 R4005
R4003
T145 R4073 R4027
R4074 R4028
L4002 R4040 R5063
T144 8KI_DE IC522
L4001 R4023
R4075 R4018 C4130 C5012
L4015 R4014 T329 T331 C4367
C4363 C4366 R5061
C4014 R4010
R4007 CN431 R5045 CN502
R4057 C4113
L4014 R4004 L4007
R4058 R4002
R4059 R4001
T143 R4054 R4025 TP37
L4004 R4055 R4032
C1241 R4056 C4001 R4031 TP112 R4043 R4042 TP116
R4061 T336
C4015 R4060 TP110
C4013 TP111
CN903 BK108
C4083 R4067 T132
C4080
R4066 TP109
X4001
C4008
MI ICT FCT1 FCT2 RP
CN401
T337
BK101
R4092
VIDEO test point
BD_Cb BD_Y SAT_Cr SAT_Cb SAT_Y ZONE2 GAME CBL
BD_Cr
RC-5
/MON_OUT_Cr /MON_OUT_Cb /MON_OUT_Y /DVD_Cr /DVD_Cb /DVD_Y /OUT /MONITOR OUT /DVD
1 3
JK513 JK511
JK531
JK513 JK512 JK511 5 2 4
J5019
J5019
J5078 DGND
C5107
C5109
C5108
C5107
J5131
J5132
J5003
J5018
J5016 J5004
J5016
J5005
J5006
J5017 J5006
J5007
J5007
C5311
J5008
J5009
J5010
J5010
J5011
J5012
J5136
J5032
J5052 J5047
J5047
J5021
J5046
J5046
J5023
J5051
C5183
J5024
C5182
J5055
J5053
J5041
J5056
J5028 J5054 J5040
J5028
J5029
J5029
J5031 J5030
C5193
16 10 4 BN21B
82
D3804
T10 R3844
DA5 CK2
CK5 DA3 CK3 DA2
R3848
R3847
R3843
D3803
+5V_5 +5V_4 D +5V_3 +5V_2 HPD1 D3802
HPD5 HPD4 D3852 HPD3 JK382 HPD2 E R3845 C3841
T268 D3901 R3946 T209 D3841 R3866
D3821 R3856 R3846
T23 D3801
Q1106 X2501 R2024
CEC C2503
Q2001
R1364
R1365
C1361 R1366 TP19 JK501
T218 D TP9 T225 R2505
R1362 R3812 T20
R3814 E T146
P_CK R2506
T147
C3833 CN152 IC251
C5117 C5118
Q1116 Q1118
D3861 R3876
S2_RST P_DA IC151
C3834
R3816
R3815
R3817
C1206 L3806 R3818 R3821 R1545
R1205 R1546
R1547
R1548 T53
C3860 R1541
R1202 R1542
R1549 C1507
R1550
R1204 L3808 R3826 R3825 R1551
R3824 R1556
R3823 R1557
IC381
R1558
R1599
R1600
R1601 X1501 C1233
R1602 R1505
S2_HINT R1503
R1504 R2535
Pb DIGITAL_CUP12847Z_A_MP CEC_PW2
R1502
R1561 D1I_LRCK D1I_F/FL CN271 D1_FLG0
R1501 D3I_FW
BK107 CN253
IP_RST
C2202
CEC_PW S1_HINT R1564
CN251 T5
DV_PW1 TX_RST C2201
D1_CS T171 T8
DR_DOUT D_MISO
D1I_-/SW D1I_-/FR T202 T204 R2729
DV_PW2 DR_CK D1I_SB/SR R2727
D5V_PW C2203
C2204 AP_DA X2281
AP_CS IC221 R2219
TXEN FS R2283
MCK AP_CK
HAINT I2S2
I2S0
R2273 D3I_S
DR_DIN SPDIF R2272
I2S1 R2271
DR_CE R2264
CN321 R2252
R2251
T224 R2031
L5001
RN201
T200 IC202
RN501 C2219
T199
T222 R2210 R2214 R2242 R2232 R2243
T197 T198
T223
R2217 R2212 R2216
T196 R2235
D4_CS
T195
T194
C2228 X2801
CN221
D_CK D_MOSI D4I_BCK
R2822
T73 R2808
T103 T105 T102
T114
D4I_FW
D4I_FH
T101
IC281
T21
T95
T136
IC521 D4I_RSV
R5002 T135
R5064 CN69B C1331
R5062 C5003 L1019 L1017 L1015 C1337
C1338
C1336 D4I_F
C5002 C1335 D4I_CSW
CN501 T320 T115 T117 T119 T122 T110 T111 T104 T323 T322 T321
T124 T125 T99 T98
T100
CN282 T172
T139
T140 CN281
DA_PW
Q1001
R2834
A_CK
D4I_MCK R2836
BAR CODE T244 C1002 D4I_LRCK
C1003 L1001
T18
T27 R1230
BN21A BK102
RS-232C
TRIGGER TRIGGER
IRIN REMOTE IN OUT1
OUT2
1 1 1 1
2 2 2 2
3 3 3 3
1 5
JK521
J5080 DGND DGND JK522 JK523
J5079 DGND DGND
C5236
RC521 TRG_+12V
J5092
TRG_+12V
D5257
BK503
BN27B
DIP-OUT DIP-OUT
1.D5V 1.D5V
2.M3.3V 2.M3.3V
CUP12850Z_1(MP)
3.DGND 3.DGND
4.RC_IN 4.RC_IN
5.KILLIR_MZ 5.KILLIR_MZ
6.RC_OUT_MZ 6.RC_OUT_MZ
Pb
BAR CODE LABEL BAR CODE LABEL BAR CODE LABEL BAR CODE LABEL 7.FRONT_IRIN 7.FRONT_IRIN
8.FLASHER_IN_MZ 8.FLASHER_IN_MZ
9.REMOTE3.3V 9.REMOTE3.3V
10.232O_MI 10.232O_MI
11.232I_MO 11.232I_MO
12.TRIGGER_1 12.TRIGGER_1
MI ICT FCT1 FCT2 RP 13.TRIGGER_2 13.TRIGGER_2
14.B/P_IRIN_AVR 14.B/P_IRIN_AVR
15.NC 15.NC
J5043
J5043
C5164
J5044
J5039
BN28B
J5042 J5042
1.VIDEO_+5V 1.VIDEO_+5V
2.VIDEO_+5V 2.VIDEO_+5V
3.VGND 3.VGND
4.VIDEO_-5V 4.VIDEO_-5V
5.VIDEO_-5V 5.VIDEO_-5V
6.TRG_GND 6.TRG_GND
C5325
7.TRG+12V 7.TRG+12V
Q5325
JK201
C2007
T192
T191 T190
C2003
X2601
C2004 C2006
RN267 RN266 T193
R2606 CN261
R2681 RN290 R2607 C2669
C2644 T208
CN252 R2604 T226
C2511 C2601
C2591 C2643
C2659 T228
R2504 RN275
C2501 T229
C2522 RN274
C2590 CN262
RN263
D2_CS C2695
C2642
RN262 R2649
R2660
C2589 R2657
C2534
C2662
R2549 C2641
R2560 C2681
R2557 C2640 C2670
C2639
C2525 C2689
C2588 C2638
C2587
C2549
C2586 D2_FLG3
C2523
C2548 TP8
TP7
C2585 TP5 T76
TP44 R2546 D2I_MCK TP6 T72 T75
D1O_FS
IC261 R2646 T77
TP41 TP43 R2645 R1182 D2_FLG0
TP42 D1O_FH X2701 D1O_CSW D1O_RSV1 R2644 R1181 C1181 C1020 T78
D1O_64FS R2643 R1183 C1005 T79
R2545 R2647 C1009
R2544 C1016 T81
R2543 C1290 T1
R2547 RN278 RN277
R2707 C1289 C1018 T74
C2763 T82
C1427
RN280 R2708 C2744 T83
R2701 C1007 T84
IC271 C2701
C2764 T85
C2743
RN286 T2 BN27A
RN285
D3I_SB T173
C2779
C2742
R2750
R2761
R2758
C2741
D3I_F C2765 C2740 CN272
C2780
C2739
C2766 Q1913 Q1911 Q1910
C2781
T185
T186
R2706
T188 T60
R2747 Q1908 Q1922
TP10 R2746 T61
R2745
R2734 R2736 R1908 R1951 R1913 R2749 T149
C2020 T230 T160
T246 R1952 T159 Q1915 Q1916 T158
T131
T166
T167
Q1902
T247 T168
X2001
T169
CN704 T170
RN293 RN292 CN781 D3_FLG0
RN294 T31 T32 T68 T67 T66 T65 T64 T9
R3205 T59
T56
C3209
R2807 C2873 R3204 T41
C2832 C3058 IC321 R3203
D_RST C3208 T40
C2811 T39
C2872 C3205
T163
C2834 C3055 C3203 T164
RN301 IC322 R3210
C3218 T93
C3056 R3209 T89
R3208
RN300 T86
T87
C2822
C2894 C3057 R1021
BN23A
R2858 R3087
R2862 C3063 C3214
R2859 C3212
C2881 C3225
C2835 C3070 IC323
C2833
C2897
C2829
C2837 C3064 C3054 C3045
R3088 C3048
C2836 C3046 IC306 C3047 R3211
R2850
TP63
TP61
TP60 C3219
TP59 D4_FLG0
R2848
R2847 T4
R2846 T42 T70 T69
R2845 T3
R2849 R1022
R1023