18.7. Digital Audio Amp
: MAIN SIGNAL LINE
IN1M
IN2M
IN1P
IN2P
SGND1
SGND2
OSC
MODE
INPUT
STAGE
INPUT
STAGE
PWM
MODULATOR
CONTROL
AND
HANDSHAKE
CONTROL
AND
HANDSHAKE
DRIVER
HIGH
DRIVER
LOW
DRIVER
HIGH
DRIVER
LOW
TEMPERATURE SENSOR
CURRENT PROTECTION
VOLTAGE PROTECTION
PWM
MODULATOR
OSCILLATOR
MANAGER
STABI
RELEASE1
RELEASE2
SWITCH1
SWITCH2
ENABLE1
ENABLE2
MUTE
MUTE
MODE
2
3
STABI
PROT
VDDP2
VSSP2
VDDP1
VSSP1
BOOT1
BOOT2
OUT1
SL+
SR+
OUT2
IC5400
C1BA00000487
AUDIO DIGITAL POWER AMP
5
19
23
1
21
22
9
10
15
14
13
11
8
16
12
7
IN1M
IN2M
IN1P
IN2P
SGND1
SGND2
OSC
MODE
INPUT
STAGE
INPUT
STAGE
PWM
MODULATOR
CONTROL
AND
HANDSHAKE
CONTROL
AND
HANDSHAKE
DRIVER
HIGH
DRIVER
LOW
DRIVER
HIGH
DRIVER
LOW
TEMPERATURE SENSOR
CURRENT PROTECTION
VOLTAGE PROTECTION
PWM
MODULATOR
OSCILLATOR
MANAGER
STABI
RELEASE1
RELEASE2
SWITCH1
SWITCH2
ENABLE1
ENABLE2
MUTE
MUTE
MODE
2
3
STABI
PROT
VDDP2
VSSP2
VDDP1
VSSP1
BOOT1
BOOT2
OUT1
FL+
FR +
OUT2
IC5000
C1BA00000487
AUDIO DIGITAL POWER AMP
5
19
23
1
21
22
9
10
15
14
13
11
8
16
12
7
IN1M
IN2M
IN1P
IN2P
SGND1
SGND2
OSC
MODE
INPUT
STAGE
INPUT
STAGE
PWM
MODULATOR
CONTROL
AND
HANDSHAKE
CONTROL
AND
HANDSHAKE
DRIVER
HIGH
DRIVER
LOW
DRIVER
HIGH
DRIVER
LOW
TEMPERATURE SENSOR
CURRENT PROTECTION
VOLTAGE PROTECTION
PWM
MODULATOR
OSCILLATOR
MANAGER
STABI
RELEASE1
RELEASE2
SWITCH1
SWITCH2
ENABLE1
ENABLE2
MUTE
MUTE
MODE
2
3
STABI
PROT
VDDP2
VSSP2
VDDP1
VSSP1
BOOT1
BOOT2
OUT1
OUT2
IC5200
C1BA00000487
AUDIO DIGITAL POWER AMP
5
19
23
1
21
22
9
10
15
14
13
11
8
16
12
7
IN1M
IN2M
IN1P
IN2P
SGND1
SGND2
OSC
MODE
INPUT
STAGE
INPUT
STAGE
PWM
MODULATOR
CONTROL
AND
HANDSHAKE
CONTROL
AND
HANDSHAKE
DRIVER
HIGH
DRIVER
LOW
DRIVER
HIGH
DRIVER
LOW
TEMPERATURE SENSOR
CURRENT PROTECTION
VOLTAGE PROTECTION
PWM
MODULATOR
OSCILLATOR
MANAGER
STABI
RELEASE1
RELEASE2
SWITCH1
SWITCH2
ENABLE1
ENABLE2
MUTE
MUTE
MODE
2
STABI
PROT
VDDP2
VSSP2
VDDP1
VSSP1
BOOT1
BOOT2
OUT1
OUT2
IC5300
C1BA00000487
AUDIO DIGITAL POWER AMP
5
19
23
1
21
22
9
10
15
14
13
11
8
16
12
7
CENTER
C +
C -
MODE 1
SUBWOOFER
SW -
SW +
MODE 2
SURROUND R
FRONT R
MUTE S C
MUTE F SW
MOD DA
CENTER
SUBWOOFER
FL +
FR +
+
-
+
-
+
-
+
-
IC5500
INVERTER GATE
(CLOCK GENERATOR)
C0JBAB000902
X5500
X5501
D5501
D-TYPE FLIP-FLOP
C0JBAF000716
CP1
O1
IC5501
6
8
10
9
14
14
11
3
D1
5
4
6
O1 2
1
5
4
3
2
1
CD1
SD1
MUTING
CIRCUIT
Q5601,Q5602
Q5603,Q5604
MODE 1
MODE 2
CENTER
SUBWOOFER
FRONT L
FRONT R
SPEAKERS
SA-VK870EE DIGITAL AUDIO AMP BLOCK DIAGRAM
DC DET
DC DETECT
Q5101,Q5102
3
FROM AUDIO
FROM AUDIO
FROM
SYSTEM CONTROL
FROM/TO
SYSTEM CONTROL
- 30V SENSE
- 30V SENSE
- 30V SENSE
- 30V SENSE
+ 30V SENSE
+ 30V SENSE
- 30V SENSE
- 30V SENSE
+ 30V SENSE
- 30V SENSE
- 30V SENSE
+ 30V SENSE
FHOP
10
JK5001
6
JK5001
5
JK5001
8
JK5001
7
JK5001
SL +
SR +
+
-
+
-
SURROUND L
SURROUND R
2
JK5001
1
JK5001
4
JK5001
3
JK5001
9
JK5001
12
JK5001
11
JK5001
D5502
SW+5V
SW+5V
15
3
CN2808 CN5050
FRONT L
17
1
CN2808 CN5050
6
12
CN2808 CN5050
5
13
CN2808 CN5050
1
17
CN2808 CN5050
9
CN2808 CN5050
SURROUND L
CN2808 CN5050
7
11
CN2808 CN5050
13
5
11
7
CN2808 CN5050
4
14
CN2808 CN5050
2
16
CN2808 CN5050
SA-VK870EE
99
Summary of Contents for SA-VK870EE
Page 3: ...3 SA VK870EE ...
Page 12: ...12 SA VK870EE ...
Page 40: ...40 SA VK870EE ...
Page 42: ...9 3 Main Components and P C B Location 42 SA VK870EE ...
Page 55: ...55 SA VK870EE ...
Page 70: ...Step 5 Remove DVD Module P C B 70 SA VK870EE ...
Page 90: ...90 SA VK870EE ...
Page 92: ...SA VK870EE 92 ...
Page 102: ...102 SA VK870EE ...
Page 128: ...SA VK870EE 128 ...
Page 133: ...CN5501 Fig 3 Fan Connector 133 SA VK870EE ...
Page 141: ...24 Exploded Views 24 1 Cabinet Parts Location SA VK870EE 141 ...
Page 142: ...SA VK870EE 142 ...
Page 143: ...24 2 Deck Mechanism Parts Location RAA4111 S SA VK870EE 143 ...
Page 144: ...24 3 Packaging SA VK870EE 144 ...