HCD-GPX33/GPX55/GPX77/GPX88
HCD-GPX33/GPX55/GPX77/GPX88
3636
6-13. SCHEMATIC DIAGRAM - MB Board (7/9) - • See page 45 for Waveforms. • See page 46 for IC Block Diagrams. • See page 52 for IC Pin Function Descriptions.
1
A
B
C
D
E
F
G
H
I
J
K
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
MB BOARD (7/9)
43
45
44
47
48
49
50
41
42
46
40
3.3
0
0
0.3
0.3
0
3.3
3.3
3.3
4
13
0
0
0
2.4
3
3.3
0
0
3.3
3.3
0.3
0.3
3.3
0
0
3.3
3.3
3.3
3.3
3.3
3.3
3.3
2.2
3.3 0 0
1.6
1.6
1.6
3.303.3
3.3 5
5
3.5 3.5
13
3.3
-5.6
3.1
-5.6
3.1
2.2 3.3 3.3 0 3.3 3.3 3.3 3.3 3.3 0 3.3 3.3 3.3 3.3 3.3 3.3 0 0.5 2.2
3.3 3.3 0 3.3 0 3.3 0 3.3 3.3 0 3.3 1.4 0 0 0 0 0 0 1.4 1.4 3.3 3.3 3.3 0.8
0
0
0
1.6
0
1.6
3.3
3.3
3.3
0
3.3
3.3
1.8
1.8
3.3
0.9
1
0
3.3
0
3.3
0
2
3
4
1
19
88
87
65
REV
FWD
4
98
17
35
36
10
32
33
34
30
31
29
10
91
AC_DET
78
/AMP-SD-SLOW
/AMP-OCP
/AMP-RESET
/AMP-SD-FAST
TAS-RESET
28
27
50
FR-MUTE
SW-MUTE
TAS-IIC-CLK
IFSCK
50
21
23
4343
79
/THERMISTER
49
ANALOG-BSEL
ANALOG-ASEL
TAS-IIC-DATA
/AMP-OCP
FAN-DRIVE
/AMP-SD-FAST
/AMP-CLK
/FAN-LOCK
/AMP-RESET
/AMP-SD-SLOW
/THERMISTER
FR-MUTE
SW-MUTE
18
25
38
40
41
39
FWD
REV
TAS-INT
TAS-MUTE
TAS-IIC-DATA
TAS-IIC-CLK
TAS-RESET
ASEL
ANALOG-BSEL
ANALOG-ASEL
IFSCK
TUNER-R
TUNER-L
TUNER-R
TUNER-L
IFSDO
IFSDI
32
10
16
86
IFSDO
ASEL
80
49
26
IFSDI
100
99
24
2
7
84
85
90
92
22
1
FAN-DRIVE
7
93
/AMP-CLK
89
5
3
29
30
31
27
28
17
43
/FAN-LOCK
X11
8MHz
1M
R013
JL13
JL11
0
R011
C11 27p
C13 27p
X9
32.768kHz
JL9
JL8
JL7
220k
R9
10M
R8
C9
22p
C8
18p
150k
R7
C114
100 16V
100R19
JL84
JL85
JL100
JL99
JL89
JL90
JL92
JL93
15k
R165
1.5k
R175
JL65
1kR4
JL4
JL98
JL3
JL5
JL19
D270
BAW56
1k
R420
10k
R422
D421
DA2J10100L
47kR17
JL17
100R35
JL35
100R36
100R40
100R138
100R48
100R45
10kR44
100R41
100R38
10kR39
JL36
47kR132
JL32
100R34
JL34
JL33
JL31
JL30
JL29
JL28
JL27
JL26
RB30
100
RB26
100
JL422
JL55
JL57
JL56
10kR157
100R75
100R74
10k
100R71
10kR69
R72
10kR174
10kR171
10kR163
10kR164
100R63
100R64
470R65
22kR1292
JL45
JL46
100R76
100R78
100R85
470R90
100R098
100R99
100R100
1.5k
R176
JL47
JL48
JL74
JL73
JL72
JL71
JL70
JL68
JL20
C423 47 50V
JL77
JL78
JL40
JL41
100R59
100R58
JL43
JL42
JL51
JL414
JL14
JL81
JL37
JL38
JL61
C160
100 16V
JL63
JL64
470k
R331
470k
R333
JL58
JL59
JL75
JL76
JL39
JL44
JL16
JL54
JL52
JL53
JL66
JL67
JL25
JL24
JL23
JL22
JL21
JL1
JL2
JL420
JL80
JL95
JL360
JL330 JL336
JL337
FAN-DRIVE
/AMP-CLK
/FAN-LOCK
/AMP-RESET
/THERMISTER
/AMP-OCP
/AMP-SD-FAST
/AMP-SD-SLOW
FR-MUTE
SW-MUTE
TUNER-L
TUNER-R
-VH
100R18
100R25
100R23
100R1
TAS-MUTE
XIFBSY
XIFCS
XSYSRST
FWD
REV
LOAD_END_SW
UNLOAD_END_SW
TAS-INT
TAS-IIC-CLK
TAS-IIC-DATA
TAS-RESET
ASEL
ANALOG-ASEL
ANALOG-BSEL
IFSCK
IFSDI
IFSDO
JL118
JL117
JL114
JL115
JL 111
JL116
JL112
JL110
JL113
100R16
C45 47p
C46 47p
C48 47p
JL82
1.5kR28
1.5kR27
JL86
JL87
JL88
JL91
JL18
JL50
JL69
JL83
0R52
0R51
0R53
0R55
0R56
100
R460
D460
BAV99-215
JL461
JL460
JL462
D462
BAV99-215
0
R461
CL460
10k
R462
L462
68nH
C460
68p
X460
12MHz
CN460
3P
FM
ANTENNA
FM/AM
AM
AM
C471
1
CL463
IC461
MM3404A33URE
1
CE
2
GND
3
Vout
4
Vdd
CL462
L460
68nH
0
R464
JL463
C468
10
C461
47p
C475
1
C463
10p
L461
600uH
1
2
34
6
0
R465
D461
BAV99-215
13V
0R47
0R46
L464
2.2nH
L463
47nH
0R105
10kR192
15kR190
1kR92
10kR91
JL273
C272 47 16V
1k
R421
C420
0.47
D420
DA2J10100L
JL421
330
R334
330
R332
GND
GND
C330
2.2
C331
2.2
C400
0.1
C465
3p
C467
3p
47R20
1500p
CN110
9P
GND
RESET
CNVSS
RXD1
CLK1
MCU VCC
RST1
TXD1
D-GND
IC420
BU4829F-TR
1
GND/OUT
2
VDD
3
CT/NC
4
VOUT/VSS
JL128
IC460
RN5B801-0002
1
CP2
2
FRF1
3
GNDRF
4
ARF1
5
ARF2
6
IIC/RDSI
7
LA
8
CK
9
VDD
10
GND
11
DA
12
R OUT
13
L OUT
14
IISD
15
CP1
16
X1
17
X2
18
VDD
19
GND
20
VDDRF
21
IC261
MM1839A40NRE
1
ON/OFF
2
GND
3
NB
4
VOUT
5
VIN
0R95
100R5
100R3
IC100
R5F3650MCDFB
1
O-RGB-GREEN
2
O-RGB-RED
3
O-RGB-SOUT
4
I-SIRCS
5
O-RGB-SCLK
6BYTE
7
CNVSS
8
I-X-CIN
9
O-XC-OUT
10
I-RESET
11
O-XOUT
12
VSS
13
I-XIN
14
VCC1
15
NMI
16
I-BT-MUTE
17
I-AC-CUT
18
I-NFC-RF-DET
19
O-PCONT-PSAVE-PROTECT
20
O-DAMP-CLK
21
O-BT-ON
22
O-RGB-PWM-CLK
23
O-RGB-TRANS
24
O-RGB-BLUE
25
O-NFC-SW
26
O-FL-BK
27
I-ST-CLK
28
I-ST-DATA
29
I-Flash-TXD1
30
I-Flash-RDX1
31
I-Flash-CLK1
32
I-BT-CTS/FLASH-RTS1
33
O-BT-TXD
34
I-BT-RXD
35
O-BT-RESET
36
O-BT-RTS
37
O-CLOCK-OUT
38
I-NFC-IRQ
39
O-NFC-SEL/EPM (FLASH RECOVERY)
40
O-NFC-SPICLK
41
O-NFC-DATA
42
O-ST-CE
43
I-ST-RDS
44
NO USE/FLASH RECOVERY
45
O-MTK-SDO
46
I-MTK-SDI
47
I-MTK-CLK
48
O-DSP-RESET
49
O-FRONT-MUTE
50
100999897969594939291
908988878685848382818079787776
O-SW MUTE
51
52
53
O-ANALOG-BSEL
O-ANAL0G-ASEL
O-ANALOG-CSEL
54
O-VIDEO-MUTE
55
O-MTK-BUSY
56
I-MTK-XIFCS
57
O-MTK-RESET
58
O-CD-MOTOR +
59
O-CD-MOTOR -
60
VCC
61
O-DIGITAL-SEL
62
VSS
63
I-CDM-LOAD-SW
64
I-CDM-UNLOAD-SW
65
AD-KEY0
66
I-DSP-INT
67
O-DSP-MUTE
68
/I-FAN BLOCK
69
I-FAN-DRIVE
70
/I-THERMISTOR-DET
71
/I-DC-DET
72
I-DAMP-OCP
73
O-DAMP-RESET
74
/I-SD-FAST
75
I-DSP SDA
I-DSP SCL
O-PCONT-7V-13.5V
O-PCONT-DAMP
O-MTK-POWER-CTRL
O-RGB-TRANS-LED-SPK
I-MTK-POWER-MONITOR
NO-USED
NO-USED
/I-HUB-OC-USB B
O-VBUS-OE
/I-HUB-OC-USB A
O-HUB-VBUS-DETECT
O-HUB-RESET
FL-CTRL
I-AD-KEY-1
I-MIC-DETECT
I-MASTER-VOLUME
O_PCONT_BTSTBY
AVSS
I-MODEL-DEST IN
VREF
AVC C
O-FL-LATCH
O-FL-SOUT
O-FL-CLK
CN461
5P
1
GND
2
MCU VCC
3
TXD1
4
RXD1
5CLK1
C60
0.1
C273 0.1
C274 0.1
C421
0.1
C14 0.1
C97 0.1
C98 0.1
C462
0.047
C424 0.1
C464
2200p
C466
2200p
47k
R335
47k
R330
100
22
R467
R466
C422
0.1
0
R478
0
R480
FB464
0
FB465
0
Q330
MUTE SWITCH
RN2902
47R57
Q421
AC-DET SWITCH
LTC014EUBFS8TL
Q420
RESET SWITCH
LTC014EUBFS8TL
C1558
ARF2
ARF1
1
2
3
1
2
3
4
5
6
7
8
9
R463
4.7
C20
SYSTEM CONTROLLER
IC100
FM DRIVER
(FM RECEIVER)
IC460
+3.3V REG.
IC461
IC B/D
IC B/D
RESET IC
IC420
+4V REG.
IC261
22
JL1606
1
MB BOARD (1/9)
(Page 30)
21
MB BOARD (3/9)
(Page 32)
MB BOARD (1/9)
(Page 30)
3
19
MB BOARD (2/9)
(Page 31)
23
MB BOARD (4/9)
(Page 33)
31
MB BOARD (9/9)
(Page 38)
28
MB
BOARD
(6/9)
(Page 35)
MB BOARD
(6/9)
(Page 35)
29
MB BOARD (9/9)
(Page 38)
32
MB BOARD (8/9)
(Page 37)
33
MB BOARD
(8/9)
(Page 37)
34
MB BOARD
(9/9)
(Page 38)
35
FLASH
PROGRAMMING
FOR SERVICE USE
(factory internal
use only)
2
1
3
Note:
Once IC100 on the MB board is exchanged, perform
“MODEL & DEST WRITE MODE” (refer page 13) before
operating the set.