Denon D-T1, Руководство по обслуживанию

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AM5890S_V1.5TS (U6 : Driver)
Pin function
PIN
No
Pin
Name
Function
PIN
No
Pin
Name
Function
1 VINFC Input for focus driver 15 VOTK+ Tracking driver output (+)
2 TRB_1 Connect to external transistor base 16 VOTK- Tracking driver output (-)
3 REGO2
Regulator voltage output, connect to external
transistor collector
17 VOLD+ Spindle driver output (+)
4 VINSL+ Input for the sled driver 18 VOLD- Spindle driver output (-)
5 REGO1
Regulator voltage output, connect to external
transistor collector
19 Vcc2 Vcc for power block of spindle, tracking and focus
6 FWD Tray driver forward input 20 VCCD Inpu for voltage detection
7 REV Tray driver reverse input 21 VCTL Speed control input of tray driver
8 Vcc1 Vcc for pre-drive block & power block of sled & tray 22 GND Ground
9 VOTR- Tray driver output (-) 23 VINLD Input for spindle driver
10 VOTR+ Tray driver output (+) 24 RSET Output for voltage detection
11 VOSL+ Sled driver output (+) 25 TRB_2 Connect to external transistor base
12 VOSL- Sled driver output (-) 26 VINTK Input for tracking driver
13 VOFC- Focus driver output (-) 27 BIAS Input for reference voltage
14 VOFC+ Focus driver output (+) 28 MUTE Input for mute control
Notes) Symbol of + and ‒ (output of drivers) means polarity to input pin.
(For example, if voltage of pin1 is high, pin14 is high.)
PCF8563 (U12 : RTC)
Pin function
Symbol
Pin
Description
SO8, TSSOP8
OSCI 1 oscillator input
OSCO 2 oscillator output
INT 3 interrupt output (open-drain; active LOW)
VSS 4 ground
SDA 5 serial data input and output
SCL 6 serial clock input
CLKOUT 7 clock output, open-drain
VDD 8 supply voltage
n.c. - not connected; do not connect and do not use as feed through
Actuator
Driver(6x)
MUTE
Actuator
Driver(6x)
Spindle
Driver(4X)
Sled
Driver(4X)
Thermal
Shut down
+
-
+
-
10K
25K
GND
Vcc2
28 27 26 25 24 23 22 21 20 19 18 17 16 15
8 9 10 11 12 13 14 1 2 3 4 5 6 7
PGND
25K
10K
Vcc1
PGND
Vcc2
Vcc2
Vcc1
Pre-DRV
TRAY
DRIVER
VCTL
FWD REV
TRB_2 RESET VCCD
REGO2 TRB_1
REGO1 VOTR- VOTR+ VOSL+ VOSL- VOFC- VOFC+
VOLD- VOLD+ VOTK- VOTK+
-
+
-
+
VINSL+ VINFC
MUTE BIAS VINTK VINLD GND VCC2
VCC1
10K
25K
15K
10K
- +
+ -
Voltage
Detection
PCF8563T
OSCI V
DD
OSCO CLKOUT
INT SCL
V
SS
SDA
1
2
3
4
6
5
8
7
AK5358BET (U16 : ADC)
Pin function
74HC4052 (U17 : Analog_SW)
Pin function
PIN SYMBOL DESCRIPTION PIN SYMBOL DESCRIPTION
1 2Y0 independent input or output 9 S1 select logic input
2 2Y2 independent input or output 10 S0 select logic input
3 2Z common input or output 11 1Y3 independent input or output
4 2Y3 independent input or output 12 1Y0 independent input or output
5 2Y1 independent input or output 13 1Z common input or output
6 E enable input (active LOW) 14 1Y1 independent input or output
7 VEE negative supply voltage 15 1Y2 independent input or output
8 GND ground (0 V) 16 VCC positive supply voltage
CKS1
VCOM
VD
VSS2
AINR
AINL
VSS1
VA
Top View
8
7
6
5
4
3
2
1
9
10
11
12
13
14
15
16
DIF
PDN
LRCK
MCLK
SCLK
CKS2
CKS0
SDTO
No. Pin Name I/O Function
1 AINR I Rch Analog Input Pin
2 AINL I Lch Analog Input Pin
3 CKS1 I Mode Select 1 Pin
4 VCOM O
Common Voltage Output Pin, VA/2
Bias voltage of ADC input.
5 VSS1 - Ground Pin
6 VA - Analog Power Supply Pin, 4.5 5.5V
7 VD - Digital Power Supply Pin, 2.7 5.5V
8 VSS2 - Ground Pin
9 SDTO O
Audio Serial Data Output Pin
“ L ” Output at Power-down mode.
10 LRCK I/O
Output Channel Clock Pin
“ L ” Output in Master Mode at Power-down mode.
11 MCLK I Master Clock Input Pin
12 SCLK I/O
Audio Serial Data Clock Pin
“ L ” Output in Master Mode at Power-down mode.
13 PDN I
Power Down Mode & Reset Pin
“ H ” : Power up, “ L ” : Power down & Reset
14 DIF I
Audio Interface Format Pin
“ H ” : 24bit I
2
S Compatible, “ L ” : 24bit MSB justified
15 CKS2 I Mode Select 2 Pin
16 CKS0 I Mode Select 0 Pin
4052
MNB039
1 2 3 4 5 6 7 8
16 15 14 13 12 11 10
9
2Y0 2Y2
2Z
2Y3 2Y1
E
V
EE
GND
S1 S0 1Y3 1Y0 1Z 1Y1 1Y2 V
CC
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating
26