Panasonic TH-42PH12U Service Manual ▷ View online
TH-42PH12U
37
11 Block Diagram
11.1. Main Block Diagram
(LED:4TIMES)
(LED:8TIMES)
(LED:3TIMES)
(LED:5TIMES)
(LED:11TIMES)
(LED:7TIMES)
(LED:6TIMES)
(LED:10TIMES)
(LED:10TIMES)
(LED:4TIMES)
COLD
(LED:11TIMES)
(LED:2TIMES)
(LED:2TIMES)
(LED:13TIMES)
(LED:10TIMES)
(LED:7TIMES)
(LED:6TIMES)
(LED:8TIME)
HOT
(LED:12TIMES)
SLOT2
SOS6_SC1
I/F
+15V(SND)
POWER ON/OFF
DS7
SCAN
CONTROL
DS BOARD SOS
+5V
L+/-
DS13
Y,PB,PR
SOS7_SC2
Y/PB/PR_4
AUDIO
SELECT
+5V(P)
LED
L+/-
L/R_1
+3.3V
F15.7V
LVDS IN A
to
+1.2V(P)
POWER SUPPLY 2
DS8
+2.5V
EEPROM
+5V(P)
H1
RELAY
+5V(STB)
V15
DN5
(STB)
30bitx2_ASIC OUT
P7
SP AMP
SC42
RESET
SS
L/R_4
SOS4_PS
+5V(P)
+5V(P)
EQUALIZER
PS SOS4
+5V(STB)
P25
D32
SU
POWER
FACTOR
CONTROL
RESET
+14V(LAN)
STB+3.3V
STANBY
VOLTAGE
RECTIFIER
SUSTAIN
SOS6_SC1
+5V(P)
PANEL READY
D
V2
SOUND
CONTROL
SOS7_SC2
+5V(P)
SS23
PANEL SOS
MAIN SW2
VIDEO DATA
DS3
+9/7.2V
+5V(P)
SOS8_SS
D31
(24bit)
P34
+3.3V(P)
FORMAT CONVERTER,
SUSTAIN CONTROL
+5V
GenX6
+1.2V
(24bit)
+15V(P)
SUSTAIN
CONTROL
+15V(P)
SOS8_SS
FILTER
MEMORY
+5V(P) DET
PLASMA AI PROCESSOR
(STB)
SOS8_SS
+5V(STB)
H/V SYNC CONTROL
DATA DRIVER
FAN_A-B
PANEL MICOM
+1.2V
H3
PF9
+3.3V SOS
+3.3V
A
SLOT INTERFACE/SYNC PROCESSOR/SOUND PROCESSOR
TERMINAL
LVDS RX
H1
PANEL READY
+15V(P)
+5V(P)
+14V(LAN)
DCDC
F15V
DS2
from P7
COMPONENT SELECT
PANEL MAIN ON
DS10
CIRCUIT
EVEN 10bit
ODD 10bit
L/R
KEYSCAN
HD/VD_1
POWER SOS
from PF10
HD/VD_4
DS15
+9V(P)
HX
R,B,G
Vda
D5
+15V(P)
Y/PB/PR_1
HX1
C10
+12V(SND)
DS1
TTL CONV.
from
L/R_2
DATA
DRIVER
+3.3V(P)
+1.2V SOS
L,R
P+15V SOS
STB+5V
+5V(P)
D5
L/R_3
C21
FLASH
10bit LVDS
H3
DS11
+15V(P)
SOS8_SS
STB+5V
TERMINALS
+15V(P)
HDMI
+3.3V(P)
+1.8V SOS
(LOWER)
10bit LVDS
30bitx2_RGB VIDEO
SIGNAL PROCESSOR
R+/-
SOS8_SS
CPG with SS
DISCHARGE
CONTROL
HD/VD_4
R(10bit)
G(10bit)
B(10bit)
LED_R
VSUS
LVDS_B
L/R_2
SS-BOARD
SOS DETECT
H37
+15V(FAN)
Y/PB/PR_1
L,R
10bit LVDS
LVDS_A
+5V
MICOM
SOS6_SC1
DCDC
LAN+15V
A/D_C
L/R_1
SOS7_SC2
+15V(P)
IP CONV.
+2.5V(P)
HD,VD
HD/VD-1
Y/PB/PR_2
R+/-
+3.3V(P)
Y/PB/PR_1
IIC1
HDMI INTERFACE
REMOTE IN
R+/-
DCDC
Vda
+9V
PANEL STB_ON
SU41
+9V(P)
P6
SC46
HDMI
IN A
RECTIFIER
P-BOARD
SOS DETECT
+15V(P)
L/R_1
P2
VSET GEN.
AUDIO
DAC
PROCESS
VOLTAGE
RECTIFIER
DN5
SU11
+5V(P)
+3.3V(STB)
VSUS
C1
+3.3V
ON/OFF CONTROL
VIDEO DATA
F15V
+5V(STB)
DATA
DRIVER
AC CORD
PF10
POWER SUPPLY 1
R/G/B
30bit
to
SUSTAIN
VOLTAGE
RECTIFIER
SS11
DATA
DRIVER
P35
PC/RS232C TERMINAL
+5V(P)
Vda
Y/PB/PR_4
P9
STANBY
VOLTAGE
RECTIFIER
C23
Vda
SCAN
DRIVER
VIDEO DATA
DATA
DRIVER
+1.8V(P)
+5V(P)
+5V(P)
P
SPEAKER
+15V(SND)
VIDEO DATA
TTL CONV.
to
P11
SC
SD46
+9V
SUSTAIN CONTROL
F15V
C11
BUFFER
LVDS RX
+5V
PLASMA AI
+1.8V
+5V(P)
DS SOS DET
CIRCUIT
PANEL SOS
LED_R
+15V(FAN)
REMOTE IN
LVDS RX
D20
STB+5V
KEYSCAN
DATA
DRIVER
+2.5V(P)
DS4
HD/VD
LAN+15V
+1.2V(P)
VSUS GEN.
DATA DRIVER (RIGHT)
ASIC
DS12
DN32
LED_G/LED_R
SS2
CONTROL SIGNAL
SOS8_SS
REMOTE
RECEIVER
HD,VD
FAN SOS
+2.5V(P)
SUSTAIN CONTROL
SYNC SIGNAL
INVERTER
+5V(P)
Y/PB/PR_3
HA
EVEN 10bit
ODD 10bit
+15V(P)
+1.2V(P)
SCW3
V2
CLKGEN
STB5V
KEY SWITCH
SOS4_PS
DS4
FAN SOS DET
HDMI
IN B
PANEL READY
+3.3V(STB)
V1
KEY SWITCH
DN
+15V(P)
HD/VD-1
+3.3V(P)
+5V(P)
to
+3.3V(STB)
+9V
DDR
SPEAKER
STB5V
SUSTAIN DRIVE
Ex.I/O
Y,PB,PR
VIDEO DATA
SC20
+5V(STB)
POWER SWITCH
+15V(P)
DS10
VSUS
VIDEO
L/R_3
S1
L+/-
STB5V
+15V(P)
STB+5V
VSUS
S34
+3.3V(SW)
FPGA
DDR2
VE GEN.
H37
D25
ON
C20
PANEL STB_ON
HD/VD_2
SD
DS6
SLOT3
SUB-FIELD PROCESSOR
POWER SW
DATA
DRIVER
+9V
FAN_CONT
SC41
DN1
LED_G
LVDS IN B
SCAN OUT (UPPER)
C25
DS6
POWER MICOM
ASIC OUTA
(30bit)
+3.3V(STB)
SD11
P+5V SOS
SCAN
DRIVER
SUSTAIN CONTROL
FAN
POWER
+2.5V SOS
+3.3V(P) DET
CONNECTOR
SPEAKER L
+3.3V
VSUS
SC2
HD/VD_3
HHH
SD42
DATA
DRIVER
+2.5V
+15V(FAN)
SS24
C2
PC
PANEL STB_ON
SCAN DRIVE
VSCAN GEN.
+3.3V
SOS8_SS
OSD
CONTROL
PULSE
VAD GEN.
from P6
+9V
DATA DRIVER
(LEFT)
EEPROM
DS14
DATA
DRIVER
Y,PB,PR
SPEAKER R
MAIN SW1
F15.7V
LED_G
SC-BOARD
FLOTING PART
SOS DETECT
P+5V
Vda
PF1
TERMINALS
SCAN OUT (LOWER)
PANEL SOS
VIDEO DATA
+5V(P)
SYNC SIGNAL
PROCESSOR
DN2
SLOT1-3 SOS
ASIC OUTB
(30bit)
SC-BOARD
ENEGRY RECOVERY
SOS DETECT
DN BOARD SOS
DIGITAL SIGNAL PROCESSOR
SLOT1
+1.8V(P)
SS22
HD,VD
+3.3V(P)
+9V
+5V(STB)
DN31
RECTIFIER
PF
STB+3.3V
RESET
REMOTE RECEIVER/LED
VIDEO SIGNAL
PROCESSOR
+15V(P) DET
TERMINAL
SCW3
L/R_4
+5V(P)
B
LVDS_A
RESET
Y/PB/PR_3
SS3
ENEGY RECOVERY
COIL
SC3
SS3
SC3
P_ON/OFF
F+15V DET
F+15V_MON
F+15V SOS
COMPONENT VIDEO TERMINAL
(LED:4TIMES)
(LED:8TIMES)
(LED:3TIMES)
(LED:5TIMES)
(LED:11TIMES)
(LED:7TIMES)
(LED:6TIMES)
(LED:10TIMES)
(LED:10TIMES)
(LED:4TIMES)
COLD
(LED:11TIMES)
(LED:2TIMES)
(LED:2TIMES)
(LED:13TIMES)
(LED:10TIMES)
(LED:7TIMES)
(LED:6TIMES)
(LED:8TIME)
HOT
(LED:12TIMES)
DS
TH-42PH12U
38
11.2. Block (1 of 6) Diagram
L
B15
EDID B
HDMI_CEC
+5V
Y0,Y1,UV0,UV1
CLK1
FOUT
IIC
A15
ADIN2
O_CLK
B6
LVDS28p
LVDS26p
DCLK
Y0,Y1,UV0,UV1
HDMI_5V_DET1
LVDS_TX5+
SLOT_IIC2
+3.3V
HD/FHD DET
LVDS18n
RESERVE1
LVDS26n
A9
A26
+5V(HDMI)
EDID A
P3
H/V
P2
IC3335
A22
HDMI_R
R_OUT+
SLOT_IIC2
LVDS37p
DATAO
SLOT_SCL
LVDS_TX7-
DDC IIC
DATAO
LVDS31n
AUDIO
HDMI_IIC
+2.5V
PLAG_DET
AOUTL
B19
Q3304
B5
IC3308
H5
IC3323
+5VSTB
Y2-Y9
B14
UV2-UV9
+1.8V
IC3334
+3.3VREG
HDMI_IIC
H6
RESERVE6
LVDS_TX0+
EEPROM
LVDS_TX2+
FACTORY
IC3312
RESERVE1
AUDIO DAC
LVDS31p
LVDS_TX7+
VCC
EEPROM
CPG
LVDS_TX5-
HD/FHD
DDC0_IIC
LVDS_TX8+
EDID A
A23
B38
LVDS_TX4+
A7
For HD
IIC
+5V
H3
LVDS28n
AUDIO AMP L
IC3339
EXPAND I/O
LVDS37n
B2
nCSO
H2
AOUTR
IIC
IC3319
H1
S0-3
BUFFER
B37
LVDS35n
LVDS19p
RESET
IC3338
LVDS34n
HDMI_5V_DET1
EEPROM
CONFIG ROM(FPGA)
LVDS_TX9+
P1
SLOT9V
L_OUT+
A5
IC3329
USE
+5V
IIC
FPGA
A13
LVDS_TX9-
LVDS27n
DET_1
SW
HDMI IN B
HDMI IN A
DS12
+3.3VREG
HDCP KEY
AUDIO AMP R
FIN
+5V(HDMI)
ADIN3
+2.5V
LVDS19n
USE
B25
ASDO
CONTROL BUS
LVDS_TX0-
LVDS23n
IC3344
B3
HDMI_5V_DET2
RESERVE6
+1.8V
IC3306
SLOT9V
HDMI
HDMI I/F RECEIVER
FOR
IC3326
IC3303
DCLK
LVDS_TX6-
BICK
nCSO
LVDS_TXC+
+3.3VREG
STB5V
+3.3V
EDID B
B9
Y2-Y9
IC3304
A2
SLOT_IIC2
B8
HDMI_L
LVDS35p
HDMI_5V_DET1
BUFFER
Y0,Y1,UV0,UV1
LVDS_TX2-
+3.3VREG
nCONFIG
HD/FHD
CLK4
LVDS_TX8-
TMDS DATA CLOCK
A19
IC3341
IC3322
FOR
DDC IIC
3.3V
->5V
LVDS33p
IC3307
HDMI_5V_DET2
IC3342
+3.3VREG
NRST
+1.2V
R
SLOT5V
ADIN4
Q3303
EEPROM
SLOT15V
B24
3.3V
->5V
IC3321
UV2-UV9
For HD
FACTORY
+1.2V
A28
BUFFER
LVDS18p
SLOT15V
VDD
DECODE
LVDS27p
INTERFACE
IC3310
HDMI_CEC
PLUG DET
For FHD
DDC1_IIC
HHH
LVDS_TX4-
BUFFER
A8
IC3324
A4
SLOT_SDA
LVDS_TX1-
A21
IC3301
LVDS23p
B11
S0-3
TMDS DATA CLOCK
B39
IC3328
LVDS33n
For FHD
IC3325
HDMI_SD
VIDEO
IVDO
LVDS34p
LVDS_TX3+
ASDO
10bit A/D
IC3343
+5VSTB
BUFFER
SLOT5V
+5V
A12
UV2-UV9
CONFIG
BUFFER
IC3302
LVDS_TX1+
HDMI PROCESSOR
IC3330
B21
+3.3VREG
A14
A10
B12
DET_2
LVDS_TX3-
LVDS_TX6+
HDMI_5V_DET2
MAIN MICOM
INTERFACE
IC3314
ROM
HDMI INTERFACE
A/D CONV.
A3
+9V
Y2-Y9
LVDS_TXC-
+5V
EX_RESERVE1
EX_RESERVE2
EX_RESERVE3
+5V
TH-42PH12U
39
11.3. Block (2 of 6) Diagram
(LED:10TIMES)
DAC1
DAC0
DS_SOS
LAN14V_ON/OFF
REMOCON_OUT
DAC0
DAC1
AUDIO_SOS
SOS_S1/S2/S3
1
D8204
D8213
D8211
D8210
D8203
D8212
D8200
+15V(FAN)
+5V(STB)
+14V(LAN)
+5V(STB)
Q8200
Q8202
Q8201
R8202
R8200
R8203
SLOT15V
R_4
B28
SDA_S1
B38
B26
PR_3
B2
B_EC+/-
14
B30
+15V(P)
RXD_S3
AUDIO IN R
EEPROM
STB+3.3V
B26
B24
IC3153
IIC_SW_DAC3/DAC4
SOS_S1
SLOT3_DET
A19
PB/B
VCC
A7
JK3513
V15
REMOTE_OUT_S2
STB5V
ALL_OFF
PR_4
A34
TXD
A2
AUDIO IN
RESET
A28
IIC_CLOCK2
RXD
SLOT5V
IIC_CONT3(SRQ)
TX0+/-
B36
A36
KEY SWITCH
A19
B_EB+/-
B26
A34
AUDIO IN L
IIC_CONT1(SRQ)
B21
Y/G
A13
TXD_S1
+9V(P)
B31
2
B24
LAN14V
A_OC+/-
R_1
VCC
A22
HDMI_L
S2
13
DS12
6
A_EB+/-
A9
VD_4
A21
Q8021-22
A21
SLOT INTERFACE/SYNC PROCESSOR/SOUND PROCESSOR
RXD_S2
IIC_CONT
IIC_CONT
RESET
A9
DS
14
B31
HD_2
B_ED+/-
TX4+/-
PC_G
PR/R
SLOT3.3V
5V<-3.3V
STB5V
A30
12
2
KEY SW
+9V
TX7+/-
REMOTE_OUT_S3
IC3006
HD_1
REMOTE_OUT_S1
S2_3
12
SLOT1
PC AUDIO IN
REMOTE
TXD_S2
16
Y/G
A_OA+/-
1
TXD
B6
IIC_CONT2(SRQ)
REMOTE_OUT_S3
13
RESET
PR_2
DS
15
B6
L_1
3
A40
B36
SLOT+9V
PR/R
A40
5
RESET
B28
7
6
A15
A_EE+/-
A32
RXD
5V
A8
B_OC+/-
B12
IIC_CLOCK3
A38
VD_1
B30
PC_B
D8013-14
RXD_S1
B38
LED_R
4
SLOT_TXD
A28
14
TX5+/-
B11
SLOT9V
TX1+/-
VD
REMOTE
A22
B_EE+/-
SLOT15V
SOS
14
3
PLUG DET
SCL_S1
AUDIO IN L
Y_3
TX2+/-
A34
TX1+/-
PC IN
SLOT1_DET
Y/G
3
S2_2
SDA_S2
11
IIC_DATA3
B5
B30
A_EA+/-
A13
B12
ALL_OFF
A12
L_4
1
1
A14
RXD_S1
B27
A_CLK+/-
A26
B_CLK+/-
A_EC+/-
B_OA+/-
A4
DS2
L_3
H1(HHH-BOARD)
IIC_CONT
SDA/SCL_S2
HD
A28
IIC_DATA3
COMPONENT
B27
1
A30
TX0+/-
B15
IC3002
A36
S2_1
KEY_SW
A40
A26
SLOT5V
A4
SLOT5V
B19
HD
RXD_PC
R_2
SLOT9V
PC_R
TXD_S1
A32
PC/RS232C TERMINAL
TX5+/-
PB/B
B31
B24
IIC_DATA2
IIC_CLOCK4
REMOTE_OUT_S2
P7
A8
B37
B19
5
LED_R
+5V(STB)
3
TX6+/-
B17
A21
S2_RXD
A12
B36
B38
HD
V2
TXD_PC
IC3502
PC-VD
B11
RXD_S3
VD_2
PC_HD
SOS_S3
VD
IC3002
SDA/SCL_S1
LED_G
SOS
6
PB_3
B_OB+/-
A36
13
JK3001
SDA_S3
B35
IIC_DATA1
B17
RESET
IIC_CLOCK1
B21
2
A17
RESET
B23
A_OE+/-
A2
B17
B19
B14
10
1
4
S2_TXD
TX8+/-
TX2+/-
SLOT2_DET
+3.3V(P)
A15
HDMI_R
PB_1
H1
B9
B21
A_OD+/-
A14
B3
3
JK3002
SERIAL SELECT
15
TX9+/-
HX
7
TXD_S3
A3
B40
B2
HX1
STB5V
STB5V
RS232C
A_ED+/-
A38
REMOTE RECEIVER/LED
PC_L
RXD_PC
PLUG DET
LED_R
B35
RXD
8
A10
TXC+/-
IIC_DATA4
DS13
TX8+/-
PB_2
REMOTE_OUT_S1
A38
A34
2
14
B_OE+/-
TX7+/-
D8201
D8209
+5V(P)
A21
SLOT15V
LAN14V
AUDIO IN R
SLOT9V
6
A26
TXD_PC
B25
B9
8
B15
DAC1
A7
COMPONENT VIDEO TERMINAL
B23
A19
B25
A17
4
1
1
LED_G
S2
A36
A32
B23
SCL_S2
SLOT3
JK3511
PLUG DET
B40
A26
B25
SOS
S2
A30
VCC
15
PB_4
IIC SW
A10
SHORT SOS
TX6+/-
A38
B37
1
2
B37
A_OB+/-
KEY SWITCH
A3
12
TX3+/-
B25
2
DAC0
D1550
PC_R
TXC+/-
SLOT2
+15V(P)
B28
A22
9
LED_G
DS11
Y_1
B27
Y_2
SLOT3.3V
13
15
A8
PB/B
PR/R
A22
REMOTE
SLOT3.3V
VD_3
4
B24
2
8
B3
REMOTE
6
12
SOS_S2
SDA/SCL_S3
HA
5
B_OD+/-
B40
SLOT_RXD
POWER LED
A28
JK3509
B35
L_2
OVER VOLTAGE SOS
TX9+/-
B14
10
A17
A5
15
LAN14V
VIDEO IN
B5
A5
TX3+/-
EEPROM
HD_3
IIC3
TXD
IIC_CLOCK3
REMOTE
B_EA+/-
VD
A8
SCL_S3
RM001
Y_4
HD_4
R_3
TX4+/-
TXD_S3
DS4
SLOT+9V
REMOTE RECEIVER
PR_1
V1
1
10
17
(LED:10TIMES)
DS
V2
TH-42PH12U
40
11.4. Block (3 of 6) Diagram
G
G
SDA3
SLOT_TXD
KEY_SW
REMOTE_OUT
RESET
SLOT2_DET
SLOT_RXD
SLOT3_DET
DAC1
DAC0
Y_M
PR_M
LED_G
IIC_SW_DAC4
LED_R
SCL3
DS_SOS
IIC_CONT
REMOTE
SLOT1_DET
ALL_OFF
PB_M
SDA2
IIC_SW_DAC3
SCL2
+5V(STB)
+15V(FAN)
+3.3V(STB)
+15V(P)
+5V(P)
+14V(LAN)
FSTB+15.7V
+5V(STB)
LAN+14V
+15V(FAN)
+15V(P)
FSTB+15V
FL3000
A_EA+- - EE+-
SDA/
SCL
SPEAKER
TXD_TU
INPUT SELECT
+3.3V(P)
5V<->3.3V
IIC_CONT
18
29
1
COMPONENT SELECT
HD_1
1
H Sync
R OUT+
B_CLK+-
FSTB+15V_MON
28
21
STB_ON
IC3005
S_S1/S2/S3
3
IC8008
DAC1
DPMS_HD
IIC3
IC802
Q8010,11
D8010
7
+15V(P)
9
40
DPMS_VD 5V->3.3V
2
+9V(P)
65
22
3
H3
53
Q804
+5V(P)
Q8183,84
19
HD_3
SOUND CONTROL
3
B_CLK+-
LAN+14V_ON/OFF
ASPECT DET
30
VD
B_OA+- - OE+-
IC3003
IC803
HD/VD SWITCH
L/R_2
Q8012,13
D8011
VD_M
17
VD_4
V Sync
38
54
H37
63
DPMS_HD 5V->3.3V
Green
49
VCC
4
+15V(SND)
IIC3
6
SP_L+
S_CLOCK3
H3
RXD_TU
+9V(P)
SP AMP
Q802
+9V(P)
SLOT INTERFACE/SYNC PROCESSOR/SOUND PROCESSOR
IC8007
HD_4
SPEAKER L
+15V(SND)
L_OUT-
SYNC SIGNAL PROCESSOR
VCC
26
B_OA+- - OE+-
DS_SOS
Ex.I/O
DPMS_VD
Y/PB/PR_4
SYNC SWITCH
OUT+
HD/Green
DRIVER
13
HD
VD_3
IIC3
IC8017
11
13
RS232C
R
46
Y/PB/PR_1
VCC
A_CLK+-
43
SYNC SIGNAL INVERTER
RXD_PC
+15V(SND)
DS8
+5V(P)
CS(M)
TIME CLOCK
+15V
(SND)
VD_1
Q803
KEY_SW
REMOTE_OUT
SYNC_INH(M)
RXD_PC
HD_2
IC8005
COMPONENT SELECT
Q801
CS(M)
IC8018
RTC_INT
HD/VD SELECT
3
12
IC3007
7
1
+15V(SND)
IIC_SW_DAC3
IN
A_CLK+-
HD
LAN+14V_
ON/OFF
IIC2
B_EA+- - EE+-
SEPA
67
IIC ON/OFF
VCC
VD
15V_ON/OFF
IIC2
1
45
VCC
HD/VD SELECT
MAIN
15
S_DATA2
L/R_3
+15V(FAN)
+15V(P)
HD
IIC_SW_DAC4
35
LED_G
IN
3
41
SPEAKER R
R/PR_M
59
DS7
3
IIC3
SYNC SIGNAL
PROCESSOR
SP_L-
B_EA+- - EE+-
EQUALIZER
R_OUT-
11
27
VD_M
+3.3V(P)
FAN_CONT
HD_M
RESET
L OUT+
VD
VCC2
L/R_1
23
42
LED_R
32
G/Y_M
24
R OUT-
FAN_CONT
47
H37
IC801
OUT+
1
A_OA+- - OE+-
10
DS3
P6
LAN+14V_ON/OFF
S_DATA3
+5V
IIC3
48
+3.3V(STB)
52
TERMINAL
VCC
16
16
Y/PB/PR_3
IIC3
4
HD
VOL
VCC
+5V(P)
FSTB+15.7V
33
+9V
HD_M
IC2300
SP_R-
33
TERMINAL
SDA/
SCL
L OUT-
SLOT2_DET
TXD_PC
SLOT3_DET
TONE
Q805,06
61
ALL_OFF
DN2
TERMINALS
67
+3.3V
SP_R+
14
HD_M
VD_2
SDA/SCL
Y/PB/PR_2
IC8014
VD
5
OUT-
IC8181
DS6
OUT-
A_OA+- - OE+-
S_CLOCK2
B/PB_M
VCC
36
3
DS1
A_EA+- - EE+-
TXD_PC
+5V(P)
VCC1
1
SLOT1_DET
+5V(STB)
+15V(P)
34
2
REMOTE
+9V(P)
FSTB+15.7V
VD_M
SEPA
TERMINALS
DAC0
SPEAKER
2
FSTB+15V_MON
15V_ON/OFF
17
DN1
L_OUT+
L/R_4
VCC
PR-M/PB-M/Y-M
VCC
+3.3V(P)
R_OUT+
IIC3
2
L/R
39
36
L
8
IC2301
GAIN
MUTE
MUTE
Q2372
IC2415
1
PF10
2
DS10
3
FSTB+15V
STB_ON
Q809
Q808
12
SOUND_MUTE
SOUND_MUTE
10
AUDIO SOS
+5V
IC8001
FL3001
DS
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