Sony HCD-GN800 - Block Diagram - Main;Power Section

HCD-GN800
3030
– MAIN/POWER Section –
–
AUDIO–DATA
AUDIO–CLK
79 80
M891
(FAN)
+
–
+
–
+
–
–
+
FRONT SPEAKER
IMPEDANCE
USE 6–16Ω
L
R
SURROUND
SPEAKER
IMPEDANCE
USE 24Ω
L
R
PHONES
J631
RY501
D508D509
VL (AC)
VL (AC)
SYSTEM CONTROLLER
IC501 (3/4)
R-ch is omitted due to same as L-ch.
CD L-CH
A
CD SECTION
TAPE L-CH
C
TUNER L-CH
E
TUNER/TAPE DECK
SECTION
TUNER/TAPE DECK
SECTION
TM501
D507
D511
FAN MOTOR
DRIVE
Q851, 852
FAN MOTOR
ON SWITCH
Q518
OVER LOAD
DETECT SWITCH
Q510
OVER LOAD
DETECT
Q501, 551
M
HEADPHONE MUTING
Q671, 624
MUTING CONTROL
SWITCH
Q652
RY502
+
+
TH502
Q602
TH501
D391
+
D502
MUTING
Q620
MUTING CONTROL
SWITCH
Q650, 651
STANDBY
SWITCH
Q503, 504, 581
R-CH
D130
R-CH
R-CH
18
15
17
OUT1
VOLIN1
14
2221
TOUT1
VOLUME
CONTROL
SOUND
CONTROL
CIRCUIT
INPUT
SELECT
SWITCH
8
+
R-CH
R-CH
R-CH
INPUT SELECT SWITCH,
TONE CONTROL,
ELECTRICAL VOLUME
IC102
IND1
INB1
INA1
INC1
6
4
3
2
INEX1
SWOUT
BB B1
BB A1
RECB1
SAOUT
DATA CLOCK
7
5
24
MIC
+
CPU
INTERFACE
R-CH
J117
L
R
VIDEO/MD
(AUDIO) IN
R-CH
A+9V
RV722
J601
J716
L
R
GAME
INPUT
REC L-CH
SPEANA
D
TUNER/TAPE DECK
SECTION
F
DISPLAY SECTION
MIC
AUDIO
VIDEO OUT
VIDEO
J721
MIC AMP
IC722 (1/2)
FEED BACK
SWITCH
Q101
SIGNAL PATH
: TUNER (FM/AM)
: CD PLAY
: TAPE PLAY
: VIDEO/MD (AUDIO) IN
: GAME INPUT (AUDIO)
: GAME INPUT (VIDEO)
: REC
: MIC INPUT
SURROUND
SPEAKER PROTECT
RELAY DRIVE
Q513, 515
FRONT SPEAKER
RELAY DRIVE
Q516, 517
POWER AMP
IC501
OVER CURRENT
PROTECTOR
IC502
MIC
LEVEL
MIC AMP
IC722 (2/2)
+
SUPPER WOOFER
OUT
IMPEDANCE
USE 8Ω
TM801
RY381
SUB WOOFER
PROTECT
RELAY DRIVE
Q381, 384
RELAY
SWITCH
Q511
OVER LOAD
DETECT SWITCH
Q385
OVER LOAD
DETECT
Q301, 351
83FRONT-RELAY
82SW-RELAY
77LINE-MUTE
LPFHPF
84LINK-RELAY
76HP MUTE
50HP DETECT
78PROTECTOR
81VACS IN
75STK-MUTE
TEMPERATURE
DETECT SWITCH
Q505, 506
BPF
IC821
9 2 1 7 105
7
4
VOLUME
CONTROL
21375
8
LINE AMP
IC841
AGC
Q842
MUTING
Q841
STANDBY
SWITCH
Q302, 303
LINE AMP,
ELECTRICAL VOLUME
IC801
SUB WOOFER AMP
IC301
+VL
Q304
–VL
1
AD-KEY
(TO SS-WG800)
7
LED-SW-ON
5
LED-SW-LINK
95 SW-AD-KEY
70 SW-ON-LED
69 SW-LINK-LED
72
LED-SW-
MATRIX-SURR-1
LED-SW-
MATRIX-SURR-2
71
4
LED-SW-MATRIX-SURR-1
6
LED-SW-MATRIX-SURR-2
2
VOLUME
CN802
SYSTEM CONTROL
19
16
14
18
11
10
8
9
12
43
+
CTOUT
1
OCP
2
VP
BIAS
Q721
TEMPERATURE
DETECT SWITCH
Q514
5
4
6
18
13
7