Sheet - JVC DR-MH300SAA Service Manual

Hdd & dvd video recorder
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System controller section
TO

SHEET 5

TO
RGB_IN[H]
SCR_ID
SHEET 4
SEPA_IN[H]
SECAM_DET[H]
5
4_3[L]
TV[L]
RGB_TH[H]
AV1_YC_IN[H]
TO
BIAS/RGB_CTL
AV1_L
SHEET 5
AV2_H
P_MUTE[H]
RAPID_SW
V_MUTE[L]
GND
I2C_DATA2
TO SHEET 4
I2C_CLK2
PD[L]
CN3003
Not use
4
D5V
Q3004
3.3V
SW-12V
R3218
P.SAVE[L]
D3003
SW5V
TO
SW12V
45V
SHEET 1
GND
DVD_P.CTL[H]
HDD_P.CTL[H]
FAN_CTL
P.CTL[H]
L3001
AL5.8V
3
D3004
CN3004
Not use
C3010
C3011
K_BUS_OUT
K_BUS_IN
TO
K_BUS_CLK
K_BUS_REQ
SHEET 8
SYS_RESET[L]
GND
P.CTL[H]
2
LED_OUT
R3202
BACK_UP_GND
AL5V
TO
S_CLK
S_DATA_TOSYS
SHEET 10
S_DATA_FRSYS
STB
RC_IN
GND
1
A
R3076
R3220
R3084
R3242
R3083
D3002
R3085
R3086
R3087
R3088
R3089
R3090
R3091
R3092
R3093
R3094
D3005
R3100
C3042
R3235
B
C
C3038
C3037
R3050
R3049
R3047
R3045
IC3001
R3032
R3031
R3029
R3028
R3027
R3026
R3201
R3025
C3001
C3002
C3003
C3004
C3005
C3006
C3007
Q3007
D3008
D
E
2-23
2-24
B7451
L7201
R7456
Q7201
R7454
C7453
Q7451
C7451
Q7452
R7203
R7453
R7204
Q3005
R3228
R3042
R3227
C3035
IC3004
C3033
X3002
C3034
C3032
X3001
R3226
C3031
C3054
IC3002
B3901
F
R7451
G_TX
TO SHEET 8
IRTX
R7452
G_RX
CN7451
Not use
J7451
J7451
AV1_L
AV2_H
ADC_RST[L]
TO SHEET 3
AI_IEC958
A_MUTE1[H]
I2C_DATA2
I2C_CLK2
SYNC_DET
TO SHEET 4
I2C_DATA2
I2C_CLK2
CN3901
P50_I/O
YC_MIX[L]
TO SHEET 5
RAPID_IN
R[H]
TU_V_MUTE[H]
TU_DATA
TU_CLK
TO SHEET 7
SW_2
SW_1
AFC
RF_AGC
p10739001a_rev0
SHEET 6
G

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