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Stereo Receiver
AVR-1621
Denon AVR-1621 User Manual
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47
Y
Cr
-6dB
6dB
6dB
SD RAM
IN1
Cb
Y
75
LOAD
-6dB
C
75
LOAD
75
LOAD
-6dB
VEE
VCC
6dB
6dB
SAT/CBL
HDMI IN
IC809(AV B'D)
6dB
IC811(AV B'D)
LC74781
-6dB
IC810(AV B'D)
-6dB
IC804(AV B'D)
HDMI Rx
U1501(8U-310052)
CVBS
IN
DVD
V-AUX
DOCK
COMPONENT
IN
HDMI-4
HDMI-3
HDMI-2
HDMI-1
TC4051BFT
NJM2586M
OSD
-6dB
-6dB
MONITOR OUT SELECT
TC4052BFT
DOUBLER
ADV7840
U1001(8U-310052)
AVR1611 ONLY
AVR1911 ONLY
ABT1030
U1302(8U-310052)
U1303(8U-310052)
CVBS
MONITOR OUT
S-VIDEO
IN
BLANK OUT
CLAMP
-6dB
DECODER
ADV7511
HDMI Tx
HDMI
MONITOR OUT
IC806(AV B'D)
MM74HC4053
IP CONV. & SCALER
VIDEO BLOCK DIAGRAM
75
75
75
75
OPEN
1
2
5
4
3
C
Y
75
LOAD
75
LOAD
75
LOAD
75
LOAD
75
LOAD
HDMI 1.4VER REPEATER BLOCK
SIGNAL DET.
SIGNAL DET.
46
48
Table of Contents
Safety Precautions
2
Leakage Current Check
2
Concerning Important Safety Parts
2
Note for Schematic Diagram
3
Note for Parts List
3
Resistors
3
Capacitors
3
Technical Specifications
4
Dimension
4
Caution in Servicing
5
Initializing AV SURROUND RECEIVER
5
Service Jigs
5
Extension Unit Kit
5
Surround Mode
5
Disassembly
6
About the Photos Used for Descriptions in the DISASSEMBLY" Section
6
Front Panel Assy
7
Cabinet Top
7
Radiator Assy
8
Pcb Reg Cnt/Pcb Reg
10
Hdmi Unit Assy
11
Pcb Spk/Pcb Smps
13
Trans Main
15
Special Mode Setting Button
16
Μcom/Dsp Version Display Mode
17
Operation Specifi Cations
17
Display Order
17
Error Display
17
Errors Checking Mode (Displaying the Protection History)
18
Operation Specifications
18
About the Display on the FL Display
18
Clearing the Protection History
19
Warning Indication by the POWER LED
19
Jig for Servicing
20
Connection of PCB HDMI JIG
20
Connection Table of Board to Board
21
About Replace the Microprocessor with a New One
22
Version Upgrade Procedure of Firmware
22
Preparations before Starting the Operation
22
Connection of the AV Receiver/Amplifier
22
Communication Check
23
Confi Rming the Fi Rmware's Number after Upgraded
25
Surround Modes and Parameters
26
Adjustment
30
Idling Current
30
Trouble Shooting
31
Power Not Turn on
31
Analog Video
32
MONITOR out (CVBS) Output NG
32
HDMI out Outpu NG
32
Hdmi/DVI
36
No Picture or Sound Is Output
36
HDMI Test Point and Waveforms
39
Digital Unit
39
Audio Check
41
Audio Output: Ng
41
Power AMP (5CH (7CH ) AMP B'D)
42
Analog Audio
43
No Sound Is Output
43
Clock Flow & Wave Form in Digital Block
45
Wave Form
45
Block Diagram
46
Audio Block Diagram
46
Video Block Diagram
47
VCC Block Diagram
48
Laevel Diagram
49
Printed Wiring Boards
55
Smps (Component Side)
56
Smps (Foil Side)
56
Spk (Component Side)
57
Spk (Foil Side)
58
Reg (Component Side)
59
Front_Cnt (Component Side)
59
Reg_Cnt (Component Side)
59
Reg (Foil Side)
60
Front_Cnt (Foil Side)
60
Reg_Cnt (Foil Side)
60
Side_Cnt (Component Side)
61
Side_Cnt (Foil Side)
61
H/P (Component Side)
61
H/P (Foil Side)
61
Front (Component Side)
62
Function (Component Side)
62
Function_Cnt (Component Side)
62
Front (Foil Side)
63
Function (Foil Side)
63
Function_Cnt (Foil Side)
63
Audio_Video (Component Side)
64
Audio_Video (Foil Side)
64
Hdmi (Component Side)
65
Hdmi (Foil Side)
66
Schematic Diagrams
67
Side Connector
72
Front Connector
73
Wiring Diagram
90
Exploded View
91
Parts List of Exploded View
92
Packing View
94
Parts List of Packing & Accessories
94
Semiconductors
95
IC's
95
R5F64169DFD Terminal Functions
96
R5F3650Knfb (Hdmi : U3301)
99
R5F3650KNFB Terminal Functions
100
Adv7511Bstz (Hdmi : U1501)
102
ADV7511BSTZ Block Diagram
102
Top View
102
Lc89058W-E (Hdmi : U1706)
103
Pin Functions
103
LC89058W-E Block Diagram
104
Adsp21367Kswz2A (Hdmi : U1901)
105
ADSP21367KSWZ2A Terminal Function
105
W9864G2Ih-6 (Hdmi : U1902)
106
W9864G2IH-6 Block Diagram
107
W9864G2IH-6 Pin Description
108
Pin Number
108
En29Lv160Bb (Hdmi : U1903)
109
Bottom Boot Sector
109
EN29LV160BB Block Diagram
109
Ak4424Et (Hdmi : U2305)
110
AK4424ET Block Diagram
110
Ak4358Vq (Hdmi : U2102)
111
AK4358VQ Pin Function
111
Ak5358Bet (Hdmi : U2101)
112
AK5358BET Pin Function
112
R2A15220Fp (Av : Ic801)
113
R2A15220FP Pin Function
114
Epm3032A (Hdmi : U1707)
115
Lc74781 (Av : Ic810)
115
Njm2586Am (Av : Ic811)
115
Fl Display
116
Fld (18-St-13Gink) (Front : U100)
116
Pin Connection
116
Anode Connection
117
Parts List of P.C.b. Unit
118
PCB 7CH_AMP ASS'Y (1611E3 Model)
118
Pcb Spk Ass'y
127
Pcb Reg_Cnt Ass'y
131
Pcb Front Ass'y
133
Pcb Audio_Video Ass'y
136
Pcb Hdmi Ass'y
139
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Denon AVR-1621 Specifications
General
Brand
Denon
Model
AVR-1621
Category
Stereo Receiver
Language
English
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