Denon AVR-S750H Service Manual

1. IC's
SEMICONDUCTORS
R5F5651EDDFB (DIGITAL_MCU : IC751)
R5F5651EDDFB Terminal Functions
Pin Pin Name Symbol I/O Pu/Pd STBY STOP
CEC
STBY
Function
1 AVSS0 AVSS - - - - Ground pin
2 P05/IRQ13 POWER_KEY I M3VPu I I I
Detect Power switch (Release from Wait Mode,Set
to interrupt)
3 AVCC1 AVCC - - - - Power supply pin
4 P03/IRQ11 RED_LED O L/H L H POWER/STANDBY LED control pin
5 AVSS1 AVSS - - - - Ground pin
6 P02/IRQ10/AN120
SB_RL (X1600H/S750H)/
NC (S650H)
O L L L Speaker relay control pin
7
P01/RXD6/IRQ9/
AN119
RXD_MI232O I M3VPu I I I
External data input port (for AMX/FW update via
232C) :Connector is FFC
8
P00/TXD6/IRQ8/
AN118
TXD_MO232I O L L L
External data output port (for AMX/FW update via
232C) :Connector is FFC
9 PF5/IRQ4
WHITE_LED
(X1600H(NA) /GREEN_
LED (X1600H (EU/CH/
JP) /S750H/S650H)
O L L L POWER LED control pin
10 EMLE EMLE I Pd - - -
E20 Emulator control pin (On chip Emulator is
used,this pin should be High. Not used,it should
be Low)
11 PJ5 VSEL_A I SW3VPu I I I Master volume (Rotary encoder) signal input pin
12 VSS VSS - - - - Ground pin
13 PJ3 VSEL_B I SW3VPu I I I Master volume (Rotary encoder) signal input pin
14 VCL VCL I - - - Smoothing capacitor connection pin
15 VBATT VBATT - - - - Power supply pin
16 MD/FINED MD I M3VPu I I I
Pins for setting the operating mode(select the
Boot Mode or User Boot Mode,Single Chip Mode)
17 XCIN XCIN I Pd - - - NC(Pull down)
18 XCOUT XCOUT I - - - NC(open)
19 RES# RESET I - - - Reset signal input pin
20 XTAL/P37 XTAL I - - - Pins for a crystal resonator (Xin=12MHz × 10)
21 VSS VSS - - - - Ground pin
Pin Pin Name Symbol I/O Pu/Pd STBY STOP
CEC
STBY
Function
22 EXTAL/P36 EXTAL - - - - Pins for a crystal resonator (Xin=12MHz × 10)
23 VCC VCC - - - - Power supply pin.
24 UPSEL/P35(IN)/NMI DSP_FLAG0 I
DA3VPu
(X1600/S750)
/Pd (S650)
L L L
DSP(CS49844A) interrupt signal input
pin(X1600H/S750H) / DSP(ADI) interrupt signal
input pin(S650H)
25
TRST#/P34/SCK6/
SCK0//IRQ4
TRST#/
NC(NORMRAL)
I/I Pd I/I I/I I/I
E20 Emulator control pin/When normal operating
mode,set to input.
26
P33/TIOCD0/RXD6/
RXD0/IRQ3-DS
RC_IN I Pd I I I Remote input
27
P32/TXD6/TXD0/
IRQ2-DS
BDOWN I M3VPu I I I Detect power down
28 TMS/P31/IRQ1-DS TMS/NC(NORMRAL) I/I M3VPu -/I -/I I
E20 Emulator control pin/When normal operating
mode,set to input.
29
TDI/P30/RXD1/
IRQ0-DS
TDI/RXD_MITSUBI-
SHI
I/O/I M3VPu -/-/I -/-/I I
E20 Emulator control pin/Mitsubishi writter
control pin/When normal operating mode,set to
input.
30
TCK/FINEC/P27/
SCK1/
TCK/NC(NORMRAL) I/I/I M3VPu -/-/I -/-/I I
E20 Emulator control pin//When normal operat-
ing mode,set to input.
31 TDO/P26/TXD1
TDO/TXD_MITSUBI-
SHI
O/O/I M3VPu -/-/I -/-/I I
E20 Emulator control pin/Mitsubishi writter
control pin/When normal operating mode,set to
input.
32 P25/RXD3 ADV7623_RST O Pd L L L
HDMI transceiver w/ GUI(ADV7623) reset control
pin
33 P24/SCK3 MVOL_MUTE O L L L Volume control pin (NJU72343)
34 P23/TXD3 E_RTS_MOEI O
Pd
(BCM58305
Internal Pd)
L L L Ethernet(Network Module) control pin
35 P22/SCK0 E_CTS_MIEO I
Pd (onboad
+ BCM58305
Internal Pd)
I I I Ethernet(Network Module) control pin
36 P21/RXD0/IRQ9 E_RXD_MIEO I
Pd (onboad
+ BCM58305
Internal Pd)
I L I Ethernet(Network Module) control pin
37 P20/TXD0/IRQ8 E_TXD_MOEI O
Pd
(BCM58305
Internal Pd)
L L L Ethernet(Network Module) control pin
38
P17/SCK1/TXD3/
IRQ7
NET_FACT_RST O(ODR)
Pu
(BCM58305
Internal Pu)
Z Z Z Ethernet(Network Module) control pin
39 P87 7623_ROM_HOLD O L L L Flash ROM for GUI control pin
40
P16/TXD1/RXD3/
IRQ6
TU_SCLK O L L L TUNER control
41 P86
PRE_Z2_MUTE (X1600H
(NA)) /NC (X1600H (EU/
CH/JP)/S750H/S650H)
O L L L Mute for zone preout control pin
42 P15/RXD1/IRQ5 TU_SDIO I_O L L L TUNER control
43 P14/IRQ4 VEXP_OE O L L L Expander (MC74HC4094) control pin
44 P13/TXD2/IRQ3 VEXP_CLK O L L L Expander (MC74HC4094) control pin
45 P12/RXD2/IRQ2 VEXP_DATA O L L L Expander (MC74HC4094) control pin
46 VCC_USB VCC_USB - - - - Power supply pin
47 USB0_DM USB0_DM - - - - NC(open)
48 USB0_DP USB0_DP - - - - NC(open)
49 VSS_USB VSS_USB - - - - Ground pin
50 P56 TU_SEN O L L L TUNER control pin
51 P55/IRQ10 VEXP_STB O L L L Expander (MC14094) control pin
52 P54 NET5V_POWER O L L L Ethernet power supply (Net5V) control pin/
53 BCLK/P53
DSP_BSY (X1600H/
S750H) /NC (S650H)
I DA3VPu I I I DSP BUSY signal input
Only major semiconductors are shown, general semiconductors etc. are omitted to list.
The semiconductor which described a detailed drawing in a schematic diagram are omitted to list.
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
44

Denon AVR-S750H Specifications

General

Receiver type	stereo
Frequency range	10 - 100000 Hz
Input sensitivity	200 mV
Audio output channels	7.2 channels
Signal-to-Noise Ratio (SNR)	98 dB
Total Harmonic Distortion (THD)	10 %
Power output per channel (1KHz@6 Ohm)	165 W
Power output per channel (20-20KHz@8 Ohm)	75 W
AirPlay	Yes
Display	VFL
HDCP version	2.3
Apple docking	No
Product color	Black
Audio decoders	DTS-HD Master Audio, Dolby TrueHD
Volume control	Rotary
HDMI in	6
Composite video in	2
Digital audio optical in	1
Package depth	432 mm
Package width	523 mm
Package height	229 mm
Package weight	10614 g
AC input voltage	120 V
AC input frequency	60 Hz
Power consumption (standby)	0.5 W
Power consumption (typical)	400 W
AM band range	520 - 1710 kHz
FM band range	87.5 - 107.9 MHz
Supported radio bands	AM, FM
Audio formats supported	AAC, ALAC, DSD, FLAC, MP3, WAV, WMA
Image formats supported	JPEG
Speakers connectivity type	RCA

Weight and Dimensions

Depth	330 mm
Height	152 mm
Weight	8618 g