![background image](http://html.mh-extra.com/html/panasonic/sa-ht740gcp/sa-ht740gcp_service-manual_278276055.webp)
18 Block Diagram
BUFFER
QR8571
OPTICAL PICK UP UNIT
Q8551,8552
Q8561,8562
VOL4+
VOL4-
VOL3+
17
OPIN+
4
OPIN-
5
15
16
VOL3-
18
VOL1+
14
VOL1-
13
VOL2+
12
VOL2-
TRAVERSE INNER SW
11
MUTE
CH1,2
MUTE
CH3
24
BIAS1
1
VIN1
2
VIN2
3
23
VIN3
27
9
TRVFT MUTE
F0 DRV
PWM0
145
DRV1
90
TRS DRV
SPMUTE
DRV0
91
AD1
140
DRV4
87
DRV3
83
P14
81
89
DRV2
85
FG
114
113
125
139
126
RFINP
RFINN
LPC2
AD0
LPC02
LPC1
LPC01
VIN9
VIN10
VIN5
VIN6
VIN7
VIN8
VIN4
VIN3
VIN2
VIN1
MOTOR
SPINDLE
MOTOR
TRAVERSE
ACT F-
HFM
ACT F+
ACT T-
ACT T+
ACTUATOR
COIL
FOCUS
COIL
TRACKING
BIAS2
TRACKING COIL/FOCUS COIL/TRAVERSE/SPINDLE MOTOR DRIVE
C0GBG0000048
IC8251
PWM1
VHALF
TRV DRV
144
128
MUTE12
MUTE
CH4
20
MUTE4
MUTE3
LDIN
6
OPOUT
+
-
+
-
+
-
+
-
SHIFT
LEVEL
+
-
+
-
SHIFT
LEVEL
+
-
+
-
SHIFT
LEVEL
+
-
+
-
SHIFT
LEVEL
+
-
-
+
-
+
IC8001
MN2DS0009AP
DV3.2 LSI
LD DRIVE
LD DRIVE
130
129
131
132
133
134
136
135
137
138
123
124
LASER DIODE
B1
B2
B4
OPTICAL PICK UP UNIT
B3
A3
A2
PHOTO DETECTOR
A4
A1
LASER DIODE
AMP
HEAD
SA-HT740GCP BLOCK DIAGRAM
SA-HT740GCP
55
Summary of Contents for SA-HT740GCP
Page 7: ...7 SA HT740GCP ...
Page 11: ...11 SA HT740GCP ...
Page 18: ...8 1 3 Advanced Digital Sound 8 1 4 Easy to Use 8 1 5 HDMI Compatible Products 18 SA HT740GCP ...
Page 29: ...10 1 Disassembly Flow Chart 29 SA HT740GCP ...
Page 30: ...10 2 Main Components and P C B Locations 30 SA HT740GCP ...
Page 39: ...Step 3 Push tray assembly to the direction of arrow shown 39 SA HT740GCP ...
Page 52: ...SA HT740GCP 52 ...
Page 54: ...SA HT740GCP 54 ...
Page 62: ...62 SA HT740GCP ...
Page 80: ...SA HT740GCP 80 ...
Page 94: ...25 Exploded Views 25 1 Cabinet Parts Location 94 SA HT740GCP ...
Page 95: ...95 SA HT740GCP ...
Page 96: ...96 SA HT740GCP ...
Page 97: ...25 2 Packaging 97 SA HT740GCP ...