Analog Video - Denon DHT-1312XP Service Manual

2. Analog video

MONITOR OUT(CVBS) Output NG
Check ±5V
+5V : C755
-5V : C754
YES
Check output
Output V : IC71-1pin
YES
Check cable between main unit and
monitor or Check monitor.
VIDEO test point
BK61
BK61
JK72
C772
C764
C763
JK73
C785 C789
C787
C765
C769
C783 C778 C780 C768 C770
A
C781
C779
C782
C825
C757 C759
C797
C806
C793 C795
C755
IC73
R847
LRCK
DATA0
C799 R768 C754 SCLK
R842
BN12
IC83
C860 RN80
RN85
C843
RN83
1.+5VH
2.+5VH
3.DGND IC81
4.DGND RN84
RN86
5.+1V8
R866
C730
R851
C731 R823
R867
R853
R854
BD63
C629
O I G
7905
R855
IC74
C859
C771
RN89 RN90
7805 IC82
IC68
C726 IC69
1.PROTECTION
C718
2.FRONT_RLY
C728
J1
3.C_SUR_RLY
4.C_SUR_RLY
C720
5.HP_RLY
6.P_DOWN
7.SB_MUTE
C749
D605
R609 R613
8.SUB_MUTE
9.PWR_RLY
10.LIMIT_DET
11.LIMIT
12.NC
C724
13.NC
C751 C725
C747 D606
7805
IC60
CN43 IC70
CN71
MP_CUP12375Z
BD62
ET71
IC ICT ADJ1 ADJ2
INPUT (COMPONENT SIDE)
NO
The power supply circuitry is
defective.
Check input
NO
(When the DVD function)
Vin5
Check set value of IC.
SW1 : IC71-14pin : 3.3V : OK
SW2 : IC71-10pin : 3.3V : OK
SW3 : IC71-4pin : 3.3V : OK
SW4 : IC71-6pin : 3.3V : OK
The IC71 and surrounding
circuitry is defective.
CN91
JK81
JK82
C830
C975
JK91
C974
JK71
C829
C811 C742
C816
IC67
C815 R745
BD83
C813 C737
C814
RXP2
IC66 C617
C732
R748
C826
R678
SDOUT C661
C804 R808 C658 C660
C618
R809
R670 C656
R671
R676
C663
R672 R677 IC62
IC84 R673 C657
LRCK C664
C659
CLK
IC61
C810 C662
C808 R680
R694
C636
C678
C839 IC63
C674 C676
C680
R686 C672
R687
R692
R688
R693
R689
C673
C681
X801
C675 C637
C679
R839
R696
R710
R838
C696
C694
C691 C693
R837
R702 C689 C717
IC64
R703 R708
R819 R704 R709 C697
X-OUT
R820
R705 C690
C692
R735
C695
J3 R712
R860 C712
R726
C710
IC85
C707
C709
C836
IC65
R718 C705
R719 R724
C713 Q608
R720 R725
Q609
R721 C706
RN91
C711 R652
C708
R728
R736 C913
Pb
C916
C914 R912 C915
A30C5/C5
J2
10MHz
X901
R737
1312E2/EA
R916 10K
R917 X
CN2A
RP CN1A
BAR CODE LABEL
: IC71-3pin
YES
YES
INT
C611
RESET
C612
C610 CE
C613
SDIO
JK62 L601
SCLK
R638
C635 VCC
C634
R-OUT
L-OUT
R639
R640 L602
C633
R651
R643
R642
CN42 ET01
C643
C638 C640 C648
1.FL
2.AGND
3.SL
4.AGND
5.CT
6.AGND
C639 C641
C642 C644 7.SR
8.AGND
9.FR
10.AGND
C650 C646 11.SW
12.AGND
C645 C649
13.SBR
14.AGND
15.SBL
C921
IC94
C919
CN93
IC93
R920 R937
IC91
R956 IC95
C902
C904
R955
C908
Detail A
C907
C906 R905
C905
C909 C955
R953
IC96 C956
Q901
C954
RN93
1312E3 1312E1C Q903
R954
IC92
R910
C928
10K 10K
10K
4K7
ET91
C83
+5V
34
NO Check pattern from JK71 to IC71 and
check cable between AMP and player or
check player .
NO
CPU(IC91) flaw.
SW1 SW2
C779
C757
C755
R768
C860
RN85
Output V Input V SW3
C759
C754
SCLK
C843
SW4 -5V