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LG RHT497H, Service Manual

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LG RHT497H Service Manual Download Page 72

3-71

3-72

3. ICs on I/O BOARD

  PIN      PIN NAME 

EE 

PB 

REC

  NO.       

MODE   MODE  MODE 

IC151 KIA78R25

  1 

IN 

3V 

3V 

3V

  2 

OUT 

2.48V 

2.48V 

2.48V

  3 

GND 

0V 

0V 

0V

  4 

CONTROL 

3.9V 

3.9V 

3.9V

IC152 KIA278R33

  1 

IN 

3.68V 

3.68V 

3.68V

  2 

OUT 

3.28V 

3.28V 

3.28V

  3 

GND 

0V 

0V 

0V

  4 

CONTROL 

4.47V 

4.47V 

4.47V

IC153 G5627

  1 

VCC 

5.23V 

5.23V 

5.23V

  2 

REF 

0.79V 

0.79V 

0.79V

  3 

GND 

0V 

0V 

0V

  4 

FB 

0.8V 

0.8V 

0.8V

  5 

EN 

2.6V 

2.6V 

2.6V

  6 

PGND 

0.05V 

0.05V 

0.05V

  7 

LX 

1.37V 

1.37V 

1.37V

  8 

VIN 

5.23V 

5.23V 

5.23V

IC154 LD1117_1.8

  1 

ADJ/GND 

0V 

0V 

0V

  2 

OUT 

1.8V 

1.8V 

1.8V

  3 

IN 

3.19V 

3.19V 

3.17V

  4 

VOUT 

1.8V 

1.8V 

1.8V

IC602 KIA78R05

  1 

IN 

5.2V 

5.2V 

5.2V

  2 

OUT 

4.97V 

4.97V 

4.97V

  3 

GND 

0V 

0V 

0V

  4 

CONTROL 

3.76V 

3.76V 

3.76V

IC604 SI3865DV

  1 

GND 

0V 

0V 

0V

  2 

ANT(5V) 

0.02V 

0.03V 

0.03V

  3 

ANT(5V) 

0.02V 

0.03V 

0.03V

  4 

VCC (5.3V) 

5.2V 

5.2V 

5.2V

  5 

ANT_5V_CTL 

0V 

0V 

0V

  6 

VCC (100K/5.3V)  5.15V 

5.15V 

5.15V

IC606 74HC4066

  1 

I2C_CLK 

4.93V 

4.93V 

4.93V

  2 

A_TUNER_CLK  4.93V 

4.93V 

4.93V

  3 

A_TUNER_DATA  4.93V 

4.93V 

4.93V

  4 

I2C_DATA 

4.93V 

4.93V 

4.93V

  5 

2E 

5.2V 

5.2V 

5.2V

  6 

PWR_CTL_H 

0V 

0V 

0V

  7 

GND 

0V 

0V 

0V

  8 

SCL 

2.41V 

2.46V 

2.7V

  9 

D_TUNER_CLK 

2V 

2.7V 

2V

  10 

D_TUNER_DATA 

2V 

2.7V 

2V

  11 

SDA 

2.37V 

2.4V 

2.7V

  12 

PWR_CTL_H 

0V 

0V 

0V

  13 

1E 

5.2V 

5.2V 

5.2V

  14 

VCC 

5.21V 

5.21V 

5.21V

IC701 UPD78F0535GK

  1 

NC 

5.19V 

5.2V 

5.19V

  2 

FLMD0 

0V 

0.01V 

0V

  3 

ANT_5V_CTL 

0V 

0.01V 

0V

  4 

MIC_DET_IN_L   0.55V 

0.66V 

0.55V

  5 

S_DET_L 

0V 

0.01V 

0V

  6 

RESET 

5.2V 

5.2V 

5.2V

  7 

XT2 (32.7 KHZ)  2.95V 

3.07V 

3.02V

  8 

XT1 (32.7 KHZ)  2.08V 

3.2V 

2.12V

  9 

FLMD0 

0V 

0V 

0V

  PIN      PIN NAME 

EE 

PB 

REC

  NO.       

MODE   MODE  MODE

  10 

X2 (10 MHz) 

3.1V 

3.22V 

3.18V

  11 

X1 (10 MHz) 

2.58V 

2.61V 

2.61V

  12 

REGC 

2.52V 

2.52V 

2.52V

  13 

VSS 

0V 

0V 

0V

  14 

EVSS 

0V 

0V 

0V

  15 

VDD 

5.2V 

5.2V 

5.2V

  16 

EVDD 

5.2V 

5.2V 

5.2V

  17 

I2C_CLK 

4.95V 

4.94V 

4.95V

  18 

I2C_DATA 

4.95V 

4.94V 

4.95V

  19 

STANBY_LED 

0.6V 

0.61V 

0.62V

  20 

CEC_TX 

3.04V 

2.98V 

3V

  21 

CEC_RX 

5.24V 

5.24V 

5.23V

  22 

AUDIO_SEL 

0.01V 

0.01V 

0.01V

  23 

COMP_MUTE_H  5.2V 

5.2V 

5.19V

  24 

AUDIO_MUTE_L  5.18V 

5.17V 

5.17V

  25 

VIDEO_MUTE_L  5.2V 

5.19V 

5.19V

  26 

Z_MUTE_CTL_L  5.17V 

5.17V 

5.17V

  27 

GREEN_PWR_H  0.09V 

0.1V 

0.09V

  28 

TIMER_H 

5.19V 

5.19V 

5.19V

  29 

POWER_CTL_H  5.17V 

5.12V 

5.12V

  30 

DAV_IN 

0.6V 

0.46V 

0.51V

  31 

MOD_ON_H 

0.02V 

0.02V 

0.02V

  32 

D_TU_H 

0.09V 

0.09V 

0.09V

  33 

SYNC_D_H 

5.03V 

5.03V 

5.03V

  34 

RGB_CONT 

0.02V 

0.02V 

0.02V

  35 

RGB_OUT 

0.02V 

0.02V 

0.02V

  36 

TU_SE_VL_H 

0.02V 

0.02V 

0.02V

  37 

TU_SECAM_H 

0.02V 

0.02V 

0.02V

  38 

REMOCON_IN 

4.88V 

4.88V 

4.88V

  39 

NC 

0.02V 

0.02V 

0.02V

  40 

ITT_RESET_L 

0.02V 

0.02V 

0.02V

  41 

FLD_ENA_L 

4.91V 

4.97V 

4.97V

  42 

TXD 

5.19V 

5.19V 

5.19V

  43 

RXD 

0.02V 

0.02V 

0.02V

  44 

FLD_DATA_OUT  0.75V 

0.75V 

0.74V

  45 

FLD_DATA_IN 

0V 

0V 

0V

  46 

FLD_CLK 

5.14V 

5.14V 

5.13V

  47 

AVREF 

5.24V 

5.24V 

5.24V

  48 

AVSS 

0V 

0V 

0V

  49 

KEY_RTN_0 

5.24V 

5.24V 

5.23V

  50 

KEY_RTN_1 

5.24V 

5.24V 

5.23V

  51 

AFT_IN 

3.1V 

3.1V 

3.1V

  52 

C+_DET_H 

0V 

0.01V 

0.01V

  53 

RGB_IN_H 

0.09V 

0.09V 

0.09V

  54 

NC 

5.03V 

5.03V 

5.03V

  55 

NC 

0V 

0.01V 

0V

  56 

NC 

4.42V 

4.42V 

4.42V

  57 

DIG_LINK_TV_H  5.2V 

5.19V 

5.19V

  58 

HOST_CLK_IN  5.03V 

5.03V 

5.03V

  59 

HOST_DATA_IN 

0V 

0.01V 

0V

  60 

HOST_DATA_OUT  0.43V 

0.43V 

0.43V

  61 

HOST_ENA_L 

5.19V 

5.19V 

5.19V

  62 

HOST_RESET_L  5.14V 

5.14V 

5.14V

  63 

OPTION_RTN1  0.52V 

0.42V 

0.55V

  64 

NT/PAL OPTION 

0V 

0V 

0V

IC702 S-24CS16A011_6Kbit

  1 

E0 

0V 

0V 

0V

  2 

E1 

0V 

0V 

0V

  3 

E2 

0V 

0V 

0V

  4 

GND 

0V 

0V 

0V

  5 

I2C_DATA 

4.95V 

4.95V 

4.95V

  6 

I2C_CLK 

4.94V 

4.94V 

4.94V

  7 

WC 

0V 

0V 

0V

  PIN      PIN NAME 

EE 

PB 

REC

  NO.       

MODE   MODE  MODE

  8 

VCC 

5.24V 

5.24V 

5.24V

IC703 74HCT125

  1 

GND 

0V 

0V 

0V

  2 

HOST_CLK_IN  3.05V 

3.05V 

3.04V

  3 

BUFFER_DATA_IN  5.03V 

5.03V 

5.02V

  4 

GND 

0V 

0V 

0V

  5 

HOST_DATA_IN  0.02V 

0.02V 

0.02V

  6 

BUFFER_CLK_IN  0.01V 

0.01V 

0.01V

  7 

GND 

0V 

0V 

0V

  8 

CEC_RX 

5.24V 

5.24V 

5.24V

  9 

CEC_TX 

3.04V 

2.99V 

3.04V

  10 

GND 

0V 

0V 

0V

  11 

BUFFER_ENA_L  5.24V 

5.24V 

5.24V

  12 

HOST_ENA_L 

3.18V 

3.18V 

3.18V

  13 

GND 

0V 

0V 

0V

  14 

VCC (5.3VA) 

5.24V 

5.24V 

5.24V

IC801 MM1763

  1 

EU1_V_IN 

1.07V 

1.07V 

1.07V

  2 

EU1_A_IN_R 

7.05V 

7.05V 

0.01V

  3 

EU1_A_IN_L 

7.05V 

7.05V 

0.01V

  4 

EU2_V_IN 

1.07V 

1.07V 

1.07V

  5 

EU2_A_IN_R 

7.06V 

7.06V 

7.06V

  6 

EU2_A_IN_L 

7.06V 

7.06V 

7.06V

  7 

TU_V_OUT 

1.6V 

1.69V 

1.6V

  8 

TU_A_R_OUT 

7.08V 

7.08V 

7.08V

  9 

TU_A_L_OUT 

7.08V 

7.08V 

7.08V

  10 

VinEXT (NC) 

1.07V 

1.07V 

1.07V

  11 

A_OUT_R 

7.06V 

7.06V 

7.06V

  12 

A_OUT_L 

7.06V 

7.06V 

7.06V

  13 

C_OUT 

2.45V 

2.45V 

2.45V

  14 

VCC2 (12 V) 

12.15V  12.15V  12.15V

  15 

CVBS_OUT 

1.51V 

1.5V 

1.51V

  16 

GND2 

0V 

0V 

0V

  17 

Y_OUT 

1.06V 

1.06V 

1.06V

  18 

BIAS 

2.46V 

2.46V 

2.46V

  19 

G_OUT 

1.07V 

1.07V 

1.07V

  20 

Fsout 

9.89V 

9.89V 

9.89V

  21 

B_OUT 

2.45V 

2.45V 

2.45V

  22 

R_OUT 

2.45V 

2.45V 

2.45V

  23 

GND1 

0V 

0V 

0V

  24 

R_Pr_OUT 

2.52V 

2.52V 

2.52V

  25 

B_Pb_OUT 

2.52V 

2.52V 

2.52V

  26 

G_Y_OUT 

1.11V 

1.11V 

1.11V

  27 

Y_SEPA_OUT 

1.09V 

1.09V 

1.09V

  28 

VOUT (NC) 

2V 

2V 

2V

  29 

C_SEPA_OUT 

2.52V 

2.52V 

2.52V

  30 

VCC1 (5V) 

5.16V 

5.16V 

5.16V

  31 

I2C_CLK 

4.93V 

4.93V 

4.93V

  32 

I2C_DATA 

4.93V 

4.93V 

4.93V

  33 

GND3 

0V 

0V 

0V

  34 

EU2_A_OUT_L  6.48V 

6.48V 

6.48V

  35 

EU2_A_OUT_R  6.48V 

6.48V 

6.48V

  36 

EU2_V_OUT 

2.02V 

2.02V 

2.02V

  37 

EU1_A_OUT_L  6.48V 

6.48V 

6.48V

  38 

EU1_A_OUT_R  6.48V 

6.48V 

6.48V

  39 

EU1_V_OUT 

2.02V 

2.02V 

2.02V

  40 

SW_A_OUT_R 

6.48V 

6.48V 

6.47V

  41 

SW_A_OUT_L 

6.48V 

6.48V 

6.47V

  42 

SW_V_OUT 

1.6V 

1.6V 

1.61V

IC802 NJM4580

  1 

A_OUT_L 

6.1V 

6.1V 

6.09V

  2 

DAC_A_L 

6.1V 

6.1V 

6.09V

  PIN      PIN NAME 

EE 

PB 

REC

  NO.       

MODE   MODE  MODE

  3 

VCC1  

6.1V 

6.1V 

6.09V

  4 

GND 

0V 

0V 

0V

  5 

VCC2 

6.1V 

6.1V 

6.09V

  6 

DAC_A_R 

6.1V 

6.1V 

6.09V

  7 

A_OUT_R 

6.1V 

6.1V 

6.09V

  8 

VCC (12V) 

12.2V 

12.2V  12.19V

IC803 PCM1780  AUDIO DAC

  1 

Z_MUTE_L 

4.95 

4.95 

4.95

  2 

E5_SPI_CS 

3.26 

3.26 

3.18

  3 

E5_SPI_CLK 

3.13 

3.12 

3.07

  4 

E5_SPI_MOSI 

0.02 

0.02 

0.02

  5 

AOUT_MCLK 

1.65 

1.66 

1.62

  6 

AOUT_DATA 

1.63 

1.60 

1.60

  7 

AOUT_SCLK 

1.64 

1.63 

1.61

  8 

AOUT_FSYNC 

1.63 

1.63 

1.60

  9 

NC 

0.00 

0.00 

0.00

  10 

NC 

0.00 

0.00 

0.00

  11 

VCC  

4.95 

4.95 

4.95

  12 

GND 

0.00 

0.00 

0.00

  13 

VCOM 

2.47 

2.49 

2.49

  14 

AOUT_R 

2.42 

2.42 

2.42

  15 

AOUT_L 

2.42 

2.42 

2.42

  16 

Z_MUTE_R 

4.95 

4.95 

4.95

IC901 SAA7138

  1 

FSW (NC) 

0.47V 

0.48V 

0.62V

  2 

AVC (NC) 

0.47V 

0.62V 

0.62V

  3 

VDDA (SADC) (1.8V)  1.78V 

1.78V 

1.78V

  4 

VSSA (PLL) 

0.02V 

0.02V 

0.02V

  5 

VDDA (PLL) 

3.18V 

3.18V 

3.18V

  6 

VSSA (AVI1) 

0V 

0V 

0V

  7 

VDDA (AVI1) 

3.17V 

3.17V 

3.17V

  8 

EU2_V_IN (AI11)  0.58V 

0.58V 

0.58V

  9 

AI12 

0.58V 

0.58V 

0.58V

  10 

AI13 

0.58V 

0.58V 

0.58V

  11 

AI10 

1V 

1V 

1V

  12 

VSSA(AVI2) 

0V 

0V 

0V

  13 

VDDA (AVI2) 

3.17V 

3.17V 

3.16V

  14 

R_SCART_IN (AI21)  0.56V 

0.56V 

0.56V

  15 

AI22 

0.56V 

0.56V 

0.56V

  16 

F_CVBS_IN (AI23)  0.56V 

0.56V 

0.56V

  17 

AI20 

1V 

1V 

1V

  18 

VDDA (1.8V) 

1.73V 

1.78V 

1.78V

  19 

RES_REF_V 

0V 

0V 

0V

  20 

AOUT1 (NC) 

1.91V 

1.91V 

1.91V

  21 

VDDA (AOUT) 

3.17V 

3.17V 

3.16V

  22 

AOUT2 (NC) 

0V 

0V 

0V

  23 

VSSA 

0V 

0V 

0V

  24 

VSSA (OUT) 

0V 

0V 

0V

  25 

VSSA (AVI3) 

0V 

0V 

0V

  26 

VDDA (AVI3) 

3.17V 

3.17V 

3.16V

  27 

G_SCAR_IN (AI31)  0.58V 

0.58V 

0.58V

  28 

AI32 

0.58V 

0.58V 

0.58V

  29 

SW_V_OUT(AI33)  0.96V 

0.96V 

0.96V

  30 

AI30 

1V 

1V 

1V

  31 

VSSA (AVI4) 

0V 

0V 

0V

  32 

VDDA (AVI4) 

3.18V 

3.17V 

3.16V

  33 

SSIF 

1.01V 

1.01V 

1.01V

  34 

SSIFD 

1V 

1V 

1V

  35 

B_SCART_IN (AI41)  0.58V 

0.58V 

0.58V

  36 

AI42 

0.58V 

0.58V 

0.58V

  37 

AI43 

0.58V 

0.58V 

0.58V

  38 

AI40 

1V 

1V 

1V

  PIN      PIN NAME 

EE 

PB 

REC

  NO.       

MODE   MODE  MODE

  39 

TRST_PDR_N (GND) 

0V 

0V 

0V

  40 

TCX (NC) 

1.56V 

1.56V 

1.56V

  41 

TMS (NC) 

3.2V 

3.2V 

3.19V

  42 

TDO 

1.1V 

1.1V 

1.1V

  43 

TDI 

3.2V 

3.2V 

3.2V

  44 

SCL 

2.44V 

2.47V 

2.47V

  45 

SDA 

0.18V 

0.18V 

0.18V

  46 

SCL_SILENT 

0.42V 

0.42V 

0.42V

  47 

SDA_SILENT 

0.42V 

0.42V 

0.42V

  48 

VDDD (CORE) 

1.77V 

1.77V 

1.77V

  49 

VSSD (CORE) 

0V 

0V 

0V

  50 

INT_A 

0.04V 

0.04V 

0.04V

  51 

/RST_SAA7138 (CE)  3.21V 

3.21V 

3.17V

  52 

VSSA (OSC) 

0V 

0V 

0V

  53 

XTAL1 

0.86V 

0.86V 

0.86V

  54 

XTAL0 

0.8V 

0.8V 

0.8V

  55 

VDDA (OSC) 

1.8V 

1.8V 

1.81V

  56 

VIN_D2 

0.02V 

0.02V 

0.02V

  57 

VIN_D3 

0.02V 

0.02V 

0.02V

  58 

VIN_D4 

0.02V 

0.02V 

0.02V

  59 

VDDD (IO) 

3.28V 

3.28V 

3.28V

  60 

VSSD (IO) 

0V 

0V 

0V

  61 

VIN_D5 

0.02V 

0.02V 

0.02V

  62 

VIN_D6 

0.02V 

0.02V 

0.02V

  63 

VIN_D7 

0.02V 

0.02V 

0.02V

  64 

VIN_D8 

0.02V 

0.02V 

0.02V

  65 

VIND9 (ITU12) 

0.02V 

0.02V 

0.02V

  66 

ITU11 (TP902) 

3.28V 

3.28V 

3.28V

  67 

VDDD (IO) 

3.24V 

3.22V 

3.22V

  68 

VSSD (IO) 

0V 

0V 

0V

  69 

VDDD (CORE) 

1.77V 

1.77V 

1.77V

  70 

VSSD (CORE) 

0V 

0V 

0V

  71 

ITU10 (TP901) 

2.68V 

2.67V 

2.67V

  72 

V_CLK 

1.33V 

1.33V 

1.33V

  73 

ITU9 (NC) 

1.24V 

1.24V 

1.24V

  74 

ITU8 (NC) 

1.3V 

1.3V 

1.3V

  75 

ITU7 (NC) 

1.3V 

1.3V 

1.3V

  76 

ITU6 (NC) 

1.32V 

1.32V 

1.32V

  77 

VDD (IO) 

3.22V 

3.21V 

3.22V

  78 

VSSD(IO) 

0V 

0V 

0V

  79 

ITU5 (NC) 

1.26V 

1.26V 

1.26V

  80 

ITU4 (NC) 

1.12V 

1.12V 

1.12V

  81 

ITU3 (NC) 

1.15V 

1.15V 

1.15V

  82 

ITU2 (NC) 

0.52V 

0.52V 

0.52V

  83 

ITU1 (NC) 

0.67V 

0.67V 

0.67V

  84 

ITU0 (NC) 

1.72V 

1.72V 

1.72V

  85 

VDDD(IO) 

3.2V 

3.21V 

3.21V

  86 

VSSD (IO) 

0V 

0V 

0V

  87 

GPIO0 (NC) 

3.21V 

3.21V 

3.21V

  88 

GPIO1 (NC) 

3.21V 

3.21V 

3.21V

  89 

GPIO2 (NC) 

3.21V 

3.21V 

3.21V

  90 

VDDD (CORE) 

1.77V 

1.77V 

1.8V

  91 

VSSD (CORE) 

0V 

0V 

0V

  92 

GPIO3 (NC) 

3.21V 

3.2V 

3.2V

  93 

GPIO4 (NC) 

3.21V 

3.2V 

3.2V

  94 

GPIO5 (NC) 

3.21V 

3.2V 

3.2V

  95 

AIN_MCLKOUT  1.61V 

1.62V 

1.62V

  96 

VDDD (IO) 

3.2V 

3.21V 

3.2V

  97 

VSSD (IO) 

0V 

0V 

0V

  98 

AIN_FSYNC 

1.52V 

1.52V 

1.52V

  99 

AIN_SCLK 

1.38V 

1.38V 

1.38V

  100  AIN_D0 

0.52V 

0.52V 

0.52V

  101  A_MUTE (NC) 

0.01V 

0.01V 

0.01V

  PIN      PIN NAME 

EE 

PB 

REC

  NO.       

MODE   MODE  MODE

  102  I2S_O_SD1 (NC) 

3.2V 

3.2V 

3.2V

  103  I2S_I_WS 

1.32V 

1.32V 

1.32V

  104  I2S_I_CLK 

1.32V 

1.32V 

1.32V

  105  I2S_I_SD 

1.32V 

1.32V 

1.32V

  106  TU_A_L_OUT 

1.59V 

1.59V 

1.59V

  107  TU_A_R_OUT 

1.59V 

1.59V 

1.59V

  108  VDDA (DAC) 

3.21V 

3.22V 

3.2V

  109  OUT1_RIGHT (NC)  1.59V 

1.6V 

1.59V

  110  OUT1_LEFT (NC)  1.59V 

1.6V 

1.59V

  111  VREF0 (GND) 

0V 

0V 

0V

  112  VSSA (DAC) 

0V 

0V 

0V

  113  VREF_DAC 

1.58V 

1.59V 

1.58V

  114  VRPOS_ADC 

3.04V 

3.04V 

3.04V

  115  VRNEG_ADC 

0.01V 

0.01V 

0.01V

  116  VDDA(SADC)(3.3V)  3.21V 

3.22V 

3.28V

  117  VSSA (SADC) 

0V 

0V 

0V

  118  VDDD (CORE) 

1.77V 

1.8V 

1.8V

  119  VSSD (CORE) 

0.01V 

0.01V 

0.01V

  120  SW_A_OUT_R 

1.58V 

1.58V 

1.58V

  121  SW_A_OUT_L 

1.58V 

1.58V 

1.58V

  122  F_A_R_IN 

1.58V 

1.58V 

1.58V

  123  F_A_L_IN 

1.58V 

1.58V 

1.58V

  124  VREF_ADC 

1.58V 

1.58V 

1.58V

  125  SECAM_AM 

1.58V 

1.58V 

1.58V

  126  IN3_LEFT (NC)  1.58V 

1.58V 

1.58V

  127  IN4_RIGHT (NC)  1.58V 

1.58V 

1.58V

  128  IN4_LEFT (NC)  1.58V 

1.58V 

1.58V

INFORMATION :

1. Voltage Check using RH300 DV1

2. EE Mode : Check with Signal C2

3. Playback Mode : Check with DVD TEST DISC KDV-N Chapter 2

4. Record Mode : Check with recording signal C2 using DVD -RW 

  Brand : Mitsubishi, VR Mode

Summary of Contents for RHT497H

Page 1: ...009 DVB T HDD DVD RECORDER SERVICE MANUAL MODELS RHT497H RHT499H CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL Website http biz lgservice com Internal Use Only MODELS RHT497H RHT499H SERVICE MANUAL ...

Page 2: ...1 1 CONTENTS SECTION 1 SUMMARY SECTION 2 CABINET MAIN CHASSIS SECTION 3 ELECTRICAL SECTION 4 RS 06A LOADER PART SECTION 5 REPLACEMENT PARTS LIST ...

Page 3: ...TY SERVICING GUIDELINES FOR DVB T HDD DVD RECORDER PRODUCTS 1 4 SERVICING PRECAUTIONS 1 5 General Servicing Precautions Insulation Checking Prodedure Electrostatically Sensitive ES Devices SERVICE INFORMATION FOR EEPROM IC SETTING 1 6 Upgrade the Main Loader program 1 7 SPECIFICATIONS 1 9 ...

Page 4: ...els on the three tmds data channels tmds encOding converts the 8bit per channel into the 10bit dc balanced video pixel rates can range from 25mhz to 165mhz the video pixels can be encoded in either rgb ycbcr 4 4 4 or ycbcr 4 2 2 formAts in all three cases up tp 24 bits per pixel can be transferred fast dubbing dubbing means a copying function between hdd to dvd discs copying between hdd to dvd is ...

Page 5: ...he polarized line plug has not been defeated 3 Soldering must be inspected to discover possible cold solder joints solder splashes or sharp solder points Be certain to remove all loose foreign par ticles 4 Check for physical evidence of damage or deterioration to parts and compo nents for frayed leads or damaged insulation including the AC cord and replace if necessary 5 No lead or component shoul...

Page 6: ...ble Conductive Parts include Metal panels Input terminals Earphone jacks etc Electrostatically Sensitive ES Devices Some semiconductor solid state devices can be damaged easily by static electricity Such components commonly are called Electrostatically Sensitive ES Devices Examples of typical ES devices are integrated circuits and some field effect transistors and semiconductor chip components The...

Page 7: ... INITIALIZE the system press CLEAR button on the R C together with OPEN CLOSE on the Front Panel about 5 sec Note This process will only clear the mapping channel and not delete data on HDD 6 To exit from the option Code menu without Initialize the system just turn off the power and then turn on again OP1 OP2 OP3 OP4 OP5 OP6 OP7 OP8 OP9 OPA 5 DA LGEDG LGEHS 70 31 60 0E AA 44 05 0C 00 CA 30 D1 60 0...

Page 8: ...ction Process OSD like below 4 If CD Data inspection OK there will be mes sage on OSD as below 5 Press PLAY button to update S W and anoth er button to cancel 6 Main S W under updated Do not turn off the power during updating proc ess 7 If updating succeed tray disc will be opened Take the disc and turn off the power 8 Turn on the power and check the Main S W Version 3 Upgrade Loader S W 1 Insert ...

Page 9: ...s If updating succeed after completed there will be message Power will be automatically turn off 7 Turn on the power and check the Loader S W Version 4 S W Version Information 1 Press the HOME button on the Remocon 2 Select EASY MENU Select SETUP 3 Select menu LOCK 4 Press button number 7 8 8 9 on the Remocon The picture on TV screen as below ...

Page 10: ...s EP mode 477 729 935 hours MLP mode Video recording format Sampling frequency 27MHz Compression format MPEG2 Audio recording format Sampling frequency 48kHz Compression format Dolby Digital Playback Frequency response DVD PCM 48kHz 8Hz to 22kHz CD 8Hz to 20kHz DVD PCM 96kHz 8Hz to 44kHz Signal to noise ratio More than 90dB AUDIO OUT connector Harmonic distortion Less than 0 02 AUDIO OUT connector...

Page 11: ...1 10 MEMO ...

Page 12: ...2 1 SECTION 2 CABINET MAIN CHASSIS CONTENTS EXPLODED VIEWS 2 2 1 Cabinet and Main Frame Section 2 2 2 DECK MECHANISM SECTION RS 06A 2 3 3 Packing Accessory Section 2 4 ...

Page 13: ... 104 468 F A53 CABLE11 F e 468 410 261 A26 462 250 462 462 300 260 261 261 273 261 261 264 470 465 465 320 A44 b i A46 MAIN BOARD 471 468 c e d 290 282 286 286 287 288 478 284 285 452 274 283 281 KEY BOARD d TIMER BOARD CABLE1 CABLE2 452 275 275 275 452 452 A50 A43A EXPLODED VIEWS 1 Cabinet and Main Frame Section 289 465 CABLE13 101 ...

Page 14: ...TION RS 06A Main C B A 1018 1043 1045 1431 1002 1020 1439 1046 1047 1011 1013 1017 1433 1026 1016 1015 1012 1001 1003 RS 06A DR 11H 1030 1437 1032 1033 1434 1437 1034 1025 1038 1036 1432 1432 1432 1041 A005 A001 A006 A46A 1019 ...

Page 15: ...2 4 3 Packing Accessory Section 808 battery 900 remote control 801 instruction ass y 803 Packing 802 box 810 accessory assembly 821 Scart cable 806 rca Plug black 803 Packing 804 bag ...

Page 16: ...S BOARD BLOCK DIAGRAM 3 31 3 MAIN BOARD BLOCK DIAGRAM 3 32 4 POWER MAIN BOARD BLOCK DIAGRAM 3 33 5 I O BOARD BLOCK DIAGRAM 3 34 6 VIDEO INPUT BLOCK DIAGRAM 3 35 7 VIDEO OUTPUT BLOCK DIAGRAM 3 36 8 AUDIO INPUT BLOCK DIAGRAM 3 37 9 AUDIO OUTPUT BLOCK DIAGRAM 3 38 10 POWER I O BLOCK DIAGRAM 3 39 11 FLD TIMER BOARD BLOCK DIAGRAM 3 40 12 POWER TIMER AND CI BLOCK DIAGRAM 3 41 CIRCUIT DIAGRAMS 3 43 1 SMP...

Page 17: ...C101 Pin6 Is the D102 normal YES NO Check or Replace D102 Is the D128 normal Replace the D128 YES NO Is there about 2 5V at IC103 Pin1 Replace the IC103 YES NO Is the IC102 normal Replace the IC102 YES NO Is the D121 normal Replace the D121 YES NO Is the D122 normal Replace the D122 YES NO Is the D125 normal Replace the D125 YES NO Replace the D127 YES NO Is the D124 normal Replace the D124 YES NO...

Page 18: ...25 YES YES NO Is the IC156 Pin4 H Check the PWR CTL H signal from µ COM YES NO Check or Replace IC156 No 12V for HDD DVD Loader Is the 13 5V supplied To IC155 Pin1 Check or Replace D124 YES YES NO Is the IC155 Pin4 H Check the PWR CTL H signal from µ COM YES NO Check or Replace IC155 ...

Page 19: ...Check Q164 and Replace YES NO Is there about 12 5V at ZD151 Q164 base Check D126 on SMPS board and Replace YES NO Is the Vcc 33V supplied to Q162 emiter Check Q162 and Replace YES NO Is there about 0V at Q162 base Check power supply SW_5 3VA on I O board YES NO Is there about 5 3V at R170 and 0 7V at Q165 base Check Q165 and Replace ...

Page 20: ... 4V 5V at the IC602 Pin4 Check the PWR CTL H signal from µ COM YES NO Check the IC602 and Replace No 3 3V Is there about 3 8V at the IC152 Pin1 Check D127 on SMPS board and Replace YES YES NO Is there about 4V 5V at the IC152 Pin 4 Check the PWR CTL H signal from µ COM YES NO Check the IC152 and Replace ...

Page 21: ...gnal from µ COM YES NO Check the IC151 and Replace No 1 8V Is there about 3 3V at the IC154 pin 3 Check power supply 3 3V on I O board YES YES NO Check the IC154 and Replace No SW_5 3VA Is the VCC 5 3V Supplied to Q158 emiter Check 5 3VA on SMPS board YES YES NO Is there about 0V at R179 and R156 Check the 1W_H signal from µ COM YES NO Check the Q158 and Replace ...

Page 22: ... Check the IC153 and Replace No SW_FD Is the Vcc FD supplied to Q163 collector Check D121 on SMPS board and Replace YES YES NO Is there about 5 3V at R184 and Q163 collector Check Q163 and Replace YES NO Is the VCC 5 3V supplied to Q153 emiter Check 5 3VA on SMPS board YES NO Is there about 0V at Q153 base Check the 1W_H signal from µ COM YES NO Check the Q153 and Replace ...

Page 23: ...C1198 RST_HOST Replace X1101 YES NO X1101 Clock oscillated 13 5MHz Check IC1201 Flash memory IC1201 DDRAM YES NO IC1201 Pin26 IC1101 defect NO R1173 R1174 DISC not recognized 4 DISC not recognized Check SMPS YES NO Check driver power 5V 12V Change MEDIA TEST YES NO Check ATAPI connector Check loader ...

Page 24: ...playing DISC No Audio Output IC803 Pin14 15 Is there a signal Check IC801 Pin14 12V Pin30 5 3V Pin31 32 SCL SDA NO NO Replace IC801 IC801 Pin34 35 37 38 Is there a signal NO NO YES L806 L826 L810 L825 Is there a signal YES YES YES YES Check Q801 Q808 Q809 Q810 Check Cable connections TV Audio mute Check IC803 Pin11 5 0VD YES Replace IC803 IC803 Pin1 16 Z_Mute_R L IC701 Pin24 Sys_Mute_L ...

Page 25: ... R1107 Is there a signal C858 Is there a signal R857 Is there a signal YES YES L805 Is there a signal Check JK803 Pin2 5V YES YES Check JK802 RCA cable connection Check JK803 optical cable connection YES Check PVM02 Pin2 SPDIF_OUT YES ...

Page 26: ...IC801 Pin14 12V Pin30 5 3V Pin31 32 SCL SDA NO NO YES YES YES IC801 Pin40 41 Is there a signal Check reset from IC1101 Check Pin51 RST_SAA7138 Is there a signal NO NO YES YES Change X901 X901 24 576MHz oscillated NO YES Check IC901 power 3 3V 1 8V R906 R909 SCL SDA Is there a signal NO YES IC901 Pin 98 99 100 95 Ain_D0 AIN_SCLK AIN_FSYNC AIN_ MCLK Is there a signal ...

Page 27: ...DA Check cable connections input signal Check PVM01 PMV01 Pin12 14 Check PMT03 Pin12 14 CN1 Pin17 19 When playing DISC no Audio output IC901 Pin98 99 100 95 Ain_D0 AIN_SCLK AIN_FSYNC AIN_MCLK Is there a signal Replace IC801 IC901 Defect Check Reset from IC1101 Pin51 RST_SAA7138 Is there a Signal NO NO YES Change X901 X901 24 576MHz oscillated NO YES Check IC901 Power 3 3V 1 8V R906 R909 SCL SDA Is...

Page 28: ...e a signal Check condition RGB_Sel_Out Comp_Mute_L Check cable connection Replace IC801 9 No RGB Component Video Signal when play DISC YES YES YES YES NO IC801 Pin24 25 26 Is there a signal Check IC801 Pin14 12V Pin30 5 3V Pin31 32 SCL SDA ...

Page 29: ... Pin31 32 SCL SDA NO NO Check S VIDEO cable connection YES Check SCART cable connection YES YES YES PVM01 and PMV01 Pin1 4 6 Is there a signal IC801 Pin27 29 Is there a signal IC801 Pin36 39 Is there a signal 10 No Composite S Video Signal when play DISC ...

Page 30: ...O NO YES YES YES 11 No TV External input Video signal R905 Is there a signal C859 C896 C895 Is there a signal NO NO NO Check IC801 Pin14 12V Pin30 5 3V Pin31 32 SCL SDA YES Check cable connection input signal YES YES When playing DISC no audio output Replace IC801 Check PVM01 PMV01 Pin8 NO Check PMT03 Pin16 CN1 Pin15 Check reset from IC1101 X901 24 576MHz oscillated YES NO Change X901 R906 R909 SC...

Page 31: ... NO DV mode switching Check power 3 3V YES NO IC1301 power 3 3V Check R1143 reset from IC1101 YES NO IC1301 Pin37 High X1301 24 576MHz oscillated Check DV cable YES NO IC1301 Pin15 High Is there a signal Replace IC1401 YES NO IC1301 Pin1 27 28 29 30 Is there a signal NO YES IC1301 Pin2 3 Is there a signal IC1101 defect ...

Page 32: ...VCC 5 3VA Check IC606 Pin6 Pin12 H IC606 Pin9 Pin10 Is there signal NO NO YES Replace TU601 Check TU601 VCC RR2000 RR2007 Is there signal NO YES YES Replace IC2000 Check R1141 L reset from IC1101 R2019 R2020 R2021 R2022 Is there a signal NO YES Check IC2002 Pin5 Is there voltage 5V NO Check IC2001 Pin12 13 Is there a signal YES NO ...

Page 33: ...3 18 WAVEFORMS 1 System BLOCK Main Clock 1 Frequency 13 5MHz IC1101 DDR Ram Clock 2 2 Frequency 198MHz 1 ...

Page 34: ...3 19 DDR Bank Address 3 4 6 5 DDR RAS CAS 4 5 DDR Write Enable 6 3 ...

Page 35: ...3 20 12C_SDA 7 12C_SCL 8 IC1101 7 8 ...

Page 36: ...3 21 2 VIDEO BLOCK COLOR BAR INPUT CVBS_OUT 1 Y_OUT 2 C_OUT 3 G Y_OUT 4 B PB_OUT 5 R PR_OUT 6 IC1101 1 6 4 5 2 3 ...

Page 37: ...3 22 3 AUDIO BLOCK 1kHz SINEWAVE INPUT AOUT_D0 3 AOUT_MCLK 4 AOUT_FSYNC 1 AOUT_SCLK 2 1 2 3 4 ...

Page 38: ...3 23 SPDIF_OUT 5 5 IC1101 A OUT_l A OUT_R 6 7 7 6 ...

Page 39: ...3 24 4 SERIAL INTERFACE BLOCK Between MAIN I O E5_SPI_MISO 3 E5_SPI_CLK 1 E5_SPI_MOSI 2 1 2 3 ...

Page 40: ...3 25 5 TUNER BLOCK 1 SIF IC901 1 ...

Page 41: ...3 26 6 HDMI BLOCK VOUT_CLK 1 AOUT_MCLK 2 VOUT_CLK 1 VOUT_CLK 1 576i 576p mode 27MHz 1080p mode 148 5MHz 720p 1080i mode 74 25MHz 2 1 ...

Page 42: ... TUNER DV V_IN A_IN USB 40pin SMPS Junction Bíd Junction Bíd 40pin 4pin 4pin 3 0 p i n 3 0 p i n 16pin 16pin MAIN BOARD 40pin CI Option Board 4pin 4pin 50pin HDMI 50pin 40pin 2pin Super Multi HDMI GND 24pin 30pin X pin X pin FFC X pin X pin Bíd to Bíd Harness X pin X pin Bíd in 12pin 12pin 24pin 40pin 30pin 40pin 1 2 3 8 4 5 6 7 ...

Page 43: ...3 28 2 WIRING DIAGRAM 2 1 2 3 4 5 6 7 8 ...

Page 44: ...3 29 1 2 3 4 5 6 7 8 Option ...

Page 45: ...SB In DV In A_In_L R V_In SW_V_OUT AV SWITCH MM1763 AV SWITCH MM1763 A_In_L R V_In SAA7138D AV DECODER SAA7138D AV DECODER TU_V_OUT SIF SECAM _AM CI Control CXD2099 CI Control CXD2099 TS_VAL TS_CLK TS_SYNC TS_D0 CAM Module CAM Module TS_VAL TS_CLK TS_SYNC TS_D 7 0 HDMI Bíd TDA9984A HDMI Bíd TDA9984A VFD DRIVER VFD DRIVER U COM uPD78F 0535GK U COM uPD78F 0535GK VOUT_CVBS VOUT_Y C VOUT_Y Pb Pr _R G ...

Page 46: ...156 R156 C156 12V REG S W BLOCK IC155 R155 C155 14V RECTIFIER SMOOTHING BLOCK D124 C123 L123 C133 3 8V RECTIFIER SMOOTHING BLOCK D127 C124 L124 C134 33V RECTIFIER SMOOTHING BLOCK D126 C126 R147 ZD122 5 3V RECTIFIER SMOOTHING BLOCK D128D130 C125 L125 C135 T101 RECTIFIER SMOOTHING BLOCK D121 FR121 C120 R181 R191 R131 ZD121 RECTIFIER SMOOTHING BLOCK D122 C122 R122 5V RECTIFIER SMOOTHING BLOCK D125 C1...

Page 47: ...M E5_LWEn IC1101 DMN8673 LSI VREF UART2_CTS UART2_RTS UART2_TX UART2_RX HA 5 1 23 22 E5_OE E5_CS0 E5_LWEn HD 15 0 E5_ALE RST_MPEG IC901 SAA7138 AV DECODER AOUT_MCLK VO_D 15 0 SCL SDA AOUT_IEC958 VIDEO_INT VOUT_CLK HDMI INTERFACE HDMI INTERFACE PMH06 USB_PWR_EN USB_OCS USB_D USB_D 5VD USB_VCC Timer BOARD IC1401 TSB41AB1 PHY_LINKON PHY_LPS PHY_LREQ PHY_CLK PHY_CTL 1 0 PHY_DATA 7 0 IC1203 HYB25D512 1...

Page 48: ...VT16373 IC1205 74LVT16373 3 3V V33_HDMI V33_STB V33_PHY 5V 5VD 5V_STB 3 3VA DAC 3 3V V33_E5_VPAD V33_E5_AVDD E5_1V25 2 5V V25_SSTL2 VREF VTT E5_AVDD V33_PHY_D IC1301 TSB41AB1 1 8V 1 25V V18_HDMI IC1202 SDRAM HDMI IF 1 2 5V V33_USB HDD IF LOADER IF USB IF V33_E5_VDDREF IC1101 DMN8673 V33_FLASH IC1204 G2995 ...

Page 49: ...C606 74HC4066 AFT TU_SECAM_H TUNER_SEL TS_DATA 0 TS_CLK TS_VAL TS_SYNC VIN_INT VIN_D 7 0 AIN_FSYNC AIN_SCLK AIN_MCLK I2C MAIN Z_MUTE_L R SCL SDA IC801 MM1763 AV Switch Video Buffer IC801 MM1763 AV Switch Video Buffer C F SECAM_AM VIN_VSYNC VIN_CLK SYNC_DET_H Z MUTE_CTL_H SLEEP_OFF SPI_I O to Main RST_SAA7138 TUNER_RESET_L FRONT AV IN TIMER BOARD F_CVBS_IN F_A_L R_IN IC703 74HCT125 IC703 74HCT125 H...

Page 50: ...CVBS MAIN I O SCART AV2 R G B F_CVBS NIM TUNER TU601 AV3 In RF In F_CVBS_IN R_SCART_IN S VID_C G_SCART_IN B_SCART_IN EU2_V_IN S VID_Y SW_V_IOUT TU_V_IN EU1_V_IN MPEG ENC DEC TIMER CN1 PMT03 PVM01 PMV01 PVM02 PMV02 PVC01 CN2000 TS_DATA 7 0 IC2000 CXD2099 CN2002 PMC01 TS_DATA 0 CI BOARD VIN_CLK VIN_D 7 0 TS_DATA 0 DVD DRIVER HDD ...

Page 51: ...1 MM1763 VIDEO BUFFER AV SWITCH CVBS S VIDEO Component RGB Y Pb Pr Y C CVBS G B R CVBS MAIN I O Y C Y G Pb B Pr R SCART RCA AV1 SCART AV2 MICOM Y Pb Pr Mute at R G B mode SCART option RGB_SEL_OUT JK802 CVBS CVBS 75 ohm PMV01 PVM01 ATAPI I F DVD DRIVER HDD ...

Page 52: ...TUNER TU701 RF In AV3 In IC1803 AV S W MM1763 L R IN L R IN SIF I O DAC SW_ AUDIO OUT_L R TU_ L R OUT MPEG ENC DEC MSP SECAM_AM I2S IN I2S OUT SCART RCA AV1 SCART AV2 F_L R_IN TIMER CN1 PMT03 PVM01 PMV01 F_ A_ L R_IN PVM02 PMV02 PVC01 CN2000 TS_DATA 7 0 IC2000 CXD2099 CN2002 PMC01 TS_DATA 0 CI BOARD TS_DATA 0 ATAPI I F DVD DRIVER HDD ...

Page 53: ... MAIN I O SPDIF_OUT DAC L R_OUT IEC60958 S PDIF D Audio Out MCLK I2S JK802 JK803 A_OUT L R IC802 OPAMP Filter IC801 AV S W MM1763 SCART RCA AV1 SCART AV2 L R out L R out MUTE Circuit Z_MUTE L R SYS_MUTE AO_SCLK AO_FSYNC AO_MCLK AO_DO AO_IEC958 MPEG ENC DEC MICOM PVM02 ATAPI I F DVD DRIVER HDD ...

Page 54: ...DFV G155D 5 0VD IC803 PCM1780 IC803 PCM1780 JK803 Optical Drive JK803 Optical Drive Audio Comp Mute Block Audio Comp Mute Block JK804 Optical Drive JK804 Optical Drive RGB Select_H RGB Select_H TUNER TDFV G155D TUNER TDFV G155D TU_3 3V Pull Up for I2S Main Pull Up for I2S Main 3 3VA HDMI CEC Block HDMI CEC Block Audio Mute Block Etc Audio Mute Block Etc 3 8VA 3 3V 2 5V 1 8V IC151 KIA78R25 5 0VD 1 ...

Page 55: ...A A TP_B B USB_D D USB_VCC IC1401 TSB41AB1 IC1501 TPS2052 IC1501 TPS2052 IC1101 MPEG PVM01 PVM02 PMV02 PMT03 CN1 KEY REMOCON Receiver FRONT AV JACK DV In JACK IC901 SAA7138 AV DECODER IC901 SAA7138 AV DECODER F_CVBS_IN F_A_L R KEY_RTN 0 1 FLD_ENA FLD_CLK FLD_DATA RMC_IN 29VA SW_5 3VA FD SW_FD 5 3VA POWER BLOCK POWER BLOCK IC701 MICOM LED DVD LED HDD LED HDD LED1 LED1 PMV01 MAIN TIMER I O ...

Page 56: ...902 LED901 LED902 DIG901 VFD Digitron DIG901 VFD Digitron RC901 R C Receiver RC901 R C Receiver IC2001 74LVC04 IC2001 74LVC04 3 3V IC2000 CI Controller IC2000 CI Controller 3V3D_CI X2000 X tal 27MHz X2000 X tal 27MHz CN2001 PCMCIA CARD CN2001 PCMCIA CARD 5VD_CI IC2002 TPS2011 IC2002 TPS2011 VCC_CI TIMER CI ...

Page 57: ...3 42 MEMO ...

Page 58: ...EN SERVICING THIS CHASSIS UNDER NO CIRCUMSTANCES SHOULD THE ORIGINAL DESIGN BE MODIFIED OR ALTERED WITHOUT PERMISSION FROM THE LG CORPORATION ALL COMPONENTS SHOULD BE REPLACED ONLY WITH TYPES IDENTICAL TO THOSE IN THE ORIGINAL CIRCUIT SPECIAL COMPONENTS ARE SHADED ON THE SCHEMATIC FOR EASY IDENTIFICATION THIS CIRCUIT DIAGRAM MAY OCCASIONALLY DIFFER FROM THE ACTUAL CIRCUIT USED THIS WAY IMPLEMENTAT...

Page 59: ...3 45 3 46 2 MPEG CIRCUIT DIAGRAM ...

Page 60: ...3 47 3 48 3 FLASH DDR CIRCUIT DIAGRAM ...

Page 61: ...3 49 3 50 4 IEEE1394 CIRCUIT DIAGRAM ...

Page 62: ...3 51 3 52 5 ATAPI HDMI USB CIRCUIT DIAGRAM ...

Page 63: ...3 53 3 54 6 I O µ COM CIRCUIT DIAGRAM ...

Page 64: ...3 55 3 56 7 SCART RCA CIRCUIT DIAGRAM ...

Page 65: ...3 57 3 58 8 TUNER DECODER CIRCUIT DIAGRAM ...

Page 66: ...3 59 3 60 9 LDO CIRCUIT DIAGRAM ...

Page 67: ...3 61 3 62 10 COMMON INTERFACE BOARD CIRCUIT DIAGRAM OPTIONAL ...

Page 68: ...3 63 3 64 11 HDMI DAUGHTER BOARD CIRCUIT DIAGRAM ...

Page 69: ...3 65 3 66 12 TIMER CIRCUIT DIAGRAM ...

Page 70: ...3 67 3 68 13 KEY CIRCUIT DIAGRAM ...

Page 71: ...1 82 1 83 45 SDRAM_CLK1 1 23 1 22 1 22 46 SDRAM_CLK 1 1 18 1 18 1 18 47 SDRAM_DQM1 0 58 0 57 0 57 48 VSS 0 00 0 01 0 01 49 VREF 1 20 1 19 1 19 50 NC 0 00 0 00 0 00 51 SDRAM_DQS1 1 20 1 19 1 19 52 VSSQ 0 00 0 00 0 00 53 NC 0 00 0 00 0 00 54 SDRAM_DQ8 1 09 1 08 1 08 55 VDDQ 2 42 2 41 2 41 56 SDRAM_DQ9 1 10 1 09 1 09 57 SDRAM_DQ10 1 08 1 06 1 06 58 VSSQ 0 00 0 01 0 01 59 SDRAM_DQ11 1 08 1 03 1 03 60 ...

Page 72: ... 6 48V 6 48V 6 48V 36 EU2_V_OUT 2 02V 2 02V 2 02V 37 EU1_A_OUT_L 6 48V 6 48V 6 48V 38 EU1_A_OUT_R 6 48V 6 48V 6 48V 39 EU1_V_OUT 2 02V 2 02V 2 02V 40 SW_A_OUT_R 6 48V 6 48V 6 47V 41 SW_A_OUT_L 6 48V 6 48V 6 47V 42 SW_V_OUT 1 6V 1 6V 1 61V IC802 NJM4580 1 A_OUT_L 6 1V 6 1V 6 09V 2 DAC_A_L 6 1V 6 1V 6 09V PIN PIN NAME EE PB REC NO MODE MODE MODE 3 VCC1 6 1V 6 1V 6 09V 4 GND 0V 0V 0V 5 VCC2 6 1V 6 1V...

Page 73: ...SDRAM_DQ 22 1 13 1 13 1 13 N26 SDRAM_DQ 23 1 13 1 13 1 13 PIN PIN NAME EE PB REC NO MODE MODE MODE P1 V_REF 1 18 1 18 1 18 P2 VDD_REF 3 22 3 23 3 22 P3 RTC_CLKX NC NC NC P4 VDD_PAD7 3 22 3 24 3 22 P11 GND 0 00 0 00 0 00 P12 GND 0 00 0 00 0 00 P13 GND 0 00 0 00 0 00 P14 GND 0 00 0 00 0 00 P15 GND 0 00 0 00 0 00 P16 GND 0 00 0 00 0 00 P23 SDRAM_CLK 0 1 21 1 19 1 19 P24 VDD_DRAM 2 35 2 29 2 30 P25 SD...

Page 74: ...6V 10V 6V 0V 6V 10V C858 22uF 16V 6 48V 1 92V 4 56V 11 44V 6 48V 1 92V 4 56V 11 44V 6 46V 1 93V 4 53V 11 47V C859 22uF 16V 1 6V 1 8V 0 2V 16 2V 1 6V 1 8V 0 2V 16 2V 1 6V 1 8V 0 2V 16 2V C875 22uF 16V 6 49V 1 96V 4 53V 11 47V 6 48V 1 98V 4 5V 11 5V 6 46V 2 05V 4 41V 11 59V C868 22uF 16V 11 99V 0V 11 99V 4 01V 11 99V 0V 11 99V 4 01V 12 01V 0V 12 01V 3 99V C849 22uF 16V 1 48V 43V 41 52V 57 52V 1 59V ...

Page 75: ...3 77 3 78 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD TOP VIEW BOTTOM VIEW ...

Page 76: ...3 79 3 80 2 I O P C BOARD TOP VIEW ...

Page 77: ...3 81 3 82 I O P C BOARD BOTTOM VIEW ...

Page 78: ...3 83 3 84 3 SMPS P C BOARD TOP VIEW BOTTOM VIEW ...

Page 79: ...3 85 3 86 4 TIMER KEY P C BOARD TOP VIEW BOTTOM VIEW ...

Page 80: ...3 87 3 88 5 COMMON INTERFACE P C BOARD OPTIONAL TOP VIEW 6 HDMI P C BOARD TOP VIEW BOTTOM VIEW BOTTOM VIEW ...

Page 81: ...3 89 3 90 MEMO MEMO ...

Page 82: ...EASUREMENT 4 29 2 AUTOMATIC OPTICAL POWER SETTING SET BASED 4 30 INTERNAL STRUCTURE OF THE PICK UP 4 31 1 BLOCK DIAGRAM OF THE PICK UP HOP 7232TL 4 31 2 PICK UP PIN ASSIGNMENT 4 32 3 SIGNAL DETECTION OF THE P U 4 33 DESCRIPTION OF CIRCUIT 4 34 1 ALPC AUTOMATIC LASER POWER CONTROL CIRCUIT 4 34 2 FOCUS TRACKING SLED SERVO CIRCUIT 4 35 3 SPINDLE SERVO CIRCUIT 4 36 MAJOR IC INTERNAL BLOCK DIAGRAM AND ...

Page 83: ...C101 NO Reference 1 65V VHALF Check pin116 of LIC101 2 2V HDVREF Check pin80 of LIC101 Check the LIC401 YES NO Does the pin1 Reset of LIC401 change 0V to 3 3V at the power supply initial input mode Check the LX201 16 9MHz Check the LIC201 YES NO Are the LX201 oscillating Check the LIC701 YES YES NO Power Is the pin2 of LIC701 3 3V Check it after connecting the power cable only on interface cable f...

Page 84: ...Recognition fail Case1 CD ROM Disc NO Does Disc rotate continuously and the drive recognize the disc Go to Recognition fail Case2 DVD Disc NO Does Disc rotate continuously and the drive recognize the disc After eject tray Insert CD ROM Disc and check rotation After eject the tray Insert DVD Disc and check rotation YES YES Go to Recognition fail Case3 Blank DVD R RW NO Does Disc rotate continuously...

Page 85: ... pin14 15 When LPF303 is open Is there Tray drive signal output YES YES Is there Tray control signal input LIC301 pin20 NO NO NO Check the connction of LIC201 pin70 Replace the LIC201 Check the communication line between LIC201 Is the input voltage 0V at LIC201 pin49 when push the EJECT SW NO Check the connction of LIC201 pin49 YES YES YES ...

Page 86: ...s there Sled drive voltage output LIC301 pin29 30 31 32 Is CTL2 signal H LIC301 pin17 YES YES Replace the LIC101 YES Is there Sled drive voltage input LIC301 pin25 26 NO NO NO Replace the LIC201 Is there Sled control signal output LIC201 pin75 76 NO YES Replace the Sled Motor Is there Sled drive voltage output LPM302 pin1 2 3 4 NO YES YES ...

Page 87: ...LIC301 Replace the LIC201 OK Check the Connection LPM301 Is there Spindle drive voltage output LIC301 pin35 36 37 Is there FG signal input LIC201 pin65 YES YES Is there Spindle control DSP output LIC201 pin77 NO NO NO YES Replace the Spindle Motor Is there spindle Motor input voltage LPM301 pin1 2 3 NO YES ...

Page 88: ...Power is 1 3 1 7mW YES YES Is FDRV signal output normal in focusing Up Down LIC201 pin 69 NO NO NO YES Focus actuator operating is abnormal Check the connection of LIC101 pin127 Replace the LIC101 Check the connection LPM101 pin5 6 Is there focus search drive voltage output LIC301 pin7 8 Is CTL2 signal H LIC301 pin17 YES Replace the pick up Replace the LIC301 YES Is there focus search control sign...

Page 89: ...uator operating is abnormal LIC101 pin20 is MOUT1 FEP Monitor1 After disc recognition action Monitor port is off So please check TE signal during disc recognition Is TE signal output normal in focusing ON and tracking OFF LIC101 pin20 Is PICK UP E F G H output normal LPM101 pin35 38 39 42 YES YES Is there TDRV signal output in tracking ON LIC201 pin73 NO NO NO YES ...

Page 90: ... unstable YES NO Does focus servo operate normally Check the pick up FFC and LPM101 Replace the pick up YES NO Check pick up RF signal LIC101 pin83 RFOUT was about 400mV Replace LIC101 YES NO Check EQOUTP waveform LIC101 pin65 was about 400mV Go to Tracking servo is unstable YES NO Check after replacing LIC201 It is OK OK ...

Page 91: ...pin78 Replace the LIC101 YES NO Is there RF signal at LIC101 pin88 RFP and pin87 RFN Replace the LIC201 YES NO Check again after the replace LIC101 It is OK OK Recognition fail case 3 Blank DVD R RW Replace LIC201 Replace LIC101 Is there WBL LIC101 pin63 Signal Is there WBL LIC201 pin63 Signal YES Check the connection between LIC101 and LIC201 YES NO NO ...

Page 92: ...k the media DVD R RW Remove the dust fingerprint and if the disc has long width scratch change it YES Does the disc have any dust scratch fingerprint Eject disc YES NO Finalized disc Go to Writing part check If DVD R disc use new DVD R disc If DVD RW disc erase the disc ...

Page 93: ...tray Load tray with DVD R RW disc Press the REC key YES Does writing finish without any error YES NO NO Is the written file read normally YES Is the re written file read normally Go to LD CHECK Check and replace LIC201 LIC101 YES OK ...

Page 94: ...ow to use test tool Check reference voltage NO YES Is ALPC parameters valid Perform 6 Optical power setting parameter check from How to use Test tool OK Perform 5 Optical Power Setting N G OFF level OK N G W1SET level FPD OK N G W2SET level FPD OK N G W3SET level FPD OK E F G ...

Page 95: ...of How to use Test tool Select Mode DVD Test and perform Test from 4 LD Test of How to use Test tool Check the input of CD DVD pin10 of LPM 101 Check the input of CD DVD pin10 of LPM101 Check the input of W1SET pin12 of LPM101 Check the input of FPD pin123 of LIC101 END E ...

Page 96: ...e input of recording pulse pin19 20 21 22 23 24 of LPM101 Check the input of FPD pin123 of LIC101 END F Check the input of CD DVD pin10 of LPM101 Select Mode DVD Test and perform Test from 4 LD Test of How to use Test tool Check the input of W3SET pin14 of LPM101 Check the input of recording pulse pin19 20 21 22 23 24 of LPM101 Check the input of FPD pin123 of LIC101 END G ...

Page 97: ...4 16 THE DIFFERENCE OF DVD R RW DVD R RW DISCS AND DVD ROM 1 RECORDING LAYER DVD ROM Read Only Disc 0 74um 3T 0 4 um DVD R RW Disc ...

Page 98: ...4 17 2 DISC SPECIFICATION 3 DISC MATERIALS 1 DVD ROM ...

Page 99: ...principles Recording Recording is done by changing the organic dye layer and the substrate with a laser When a strong laser is applied to a disc the temperature of the organic dye material goes up the dye is decomposed and the substrate changes at the same time At this time a durable bit is created as is the case with a CD ROM Playback Signals are read with the differences of the reflection of a l...

Page 100: ...cording When a high power laser is applied to the recording material it melts and then becomes amorphous with a low reflection coefficient when it quickly cools off When a mid power laser is applied to heat gradually the recording material and then gradually cools it off it becomes crystal with a high reflection coefficient Playback A low power laser is used for playback The amount of reflected li...

Page 101: ...t separated short pulses In MP type each single mark is created by one continuous pulse Write Strategy for DVD RW has Type 1 and Type 2 In Type 1 the mark with nT width is created by one top pulse and n 2 multi pulses Thus mark 3T is made by one top pulse and one multi pulse In Type 2 the mark with nT width is created by one top pulse and n 3 multi pulses Thus mark 3T is made by one top pulse only...

Page 102: ...4 21 4 ORGANIZATION OF THE INNER DRIVE AREA OUTER DRIVE AREA LEAD IN ZONE AND LEAD OUT ZONE 1 Layout of DVD ROM disc 2 Layout of DVD R disc ...

Page 103: ...4 22 3 Layout of DVD RW disc ...

Page 104: ...4 23 4 Layout of DVD R RW disc ...

Page 105: ...l Power meter Sensor ADVANTEST TQ8230 Q82014A 2 Personal Computer 3 Adjustment Program Dragon or ALPC being recommended ALPC Program in case of SVC OPTIONAL INSTRUMENT 1 USB ATAPI Interface if you don t have Notebook which has ATAPI Interface or use PC USB Port 2 Connector ATAPI Interface Board 1 2 ALPC Program Use the ALPC program in Dragon tool for Optical power setting It is consist of total 4 ...

Page 106: ...agon_JW3P exe file 2 Enter the password It is qaz When you enter the password turn off the Caps lock in your keyboard 3 Set up the target device Press ATAPI button on the main dialog of Dragon tool And find the target device which is GDA 4164L ...

Page 107: ...4 26 4 If the target device setting is completed execute the Setup Laser Power Manual in the Alpc Opc menu ...

Page 108: ... procedure caution Don t watch light directly When you finish optical power measurement press button LD Off Press button save to ERPROM 2 CD LD Power Setting Select the CD in the Select Laser Diode Press Measure optical read Power Write Read Power value Press button save to ERPROM In case of CD power setting of RS 06A loader doesn t need to set up write power Although NMP MP Erase and HC power is ...

Page 109: ...We can see optical power setting value Write optical Power Setting value to paper Adjust power setting again Compare original parameter to new parameter if parameter value is different original value is wrong or optical power may change But pick up LD test is all ok just adjust optical power setting again ALPC Para 1 2 ALPC Para 1 2 Normal range of ALPC parameter Optical power value which has been...

Page 110: ...t 50µW Sun power is about 100mW Optical Power measurement method 1 Fit optical Power Meter λ wavelength value to DVD generally 660nm 2 DVD LD On 3 Approach power sensor to Pick up Lens about 3mm vertically Fix Lens and Sensor mark position 4 Read Monitor value move sensor read just a little and read max value caution unit is mW 5 Write monitoring value x 100 Only an integer 6 Fit Power Meter wavel...

Page 111: ...the remote controller to enter 5 7 2 0 into the set When they are normally entered the GUI is displayed as shown at Fig 1 3 When you select Yes the optical power setting is automatically proceeded and it takes about 20 seconds 4 When setting is finished OK or NG is displayed on the screen The OK screen is displayed for the normal termination Fig 2 The NG screen is displayed for the abnormal termin...

Page 112: ...nd OEIC Vcc OEIC GainSw Gnd LDD ENBL IR I1 I2 I3 w1DIS w1DISN w2DIS w2DISN Tilt Tilt TR TR AF AF w3DIS w3DISN OSCEN OSCENN Vdd LDD Gnd LDD 18 CD VR IC2 FM IC1 LDD DVD LD CD LD Disc side Top View IC3 OEIC F4 D C A B F3 F1 F2 E4 E3 E1 E2 DVD V R In High Out Low Out Vref Out Gnd Vcc High Gain High LowGain Low SW R14 0 R15 0 C16 R8 R7 R6 R5 R4 R3 R2 R1 R12 C1 C2 ENBL R9 R10 R11 C9 C8 C6 C18 C19 C7 EF4...

Page 113: ...supply for LDD 5 V 21 W2DIS LVDS control for output current Low active LVDS I 22 W2DISN LVDS control for output current LVDS I 23 Gnd LDD Ground connection for LDD 24 W3DIS LVDS control for output current Low active LVDS I 25 W3DISN LVDS control for output current LVDS I 26 Vdd LDD Power supply for DD 5 V 27 OscEn LVDS control for Oscillator High active LVDS I 28 OscEnN LVDS control for Oscillator...

Page 114: ...ontrols the pick up s up and down to focus on Disc 2 Tracking Error Signal DPP Method A D B C k x EF1 EF4 EF2 EF3 This signal is generated in RF IC LIC121 AN22113A and controls the pick up s left and right shift to find track on Disc 3 RF Signal A B C D This signal is converted to DATA signal in DSP IC LIC201 MN103SA6G ...

Page 115: ...s input from the VREFPD pin 124Pin The ALPC block generates the singals from the input laser power signals in the following detection systems This block has four detection paths All average value path multi pulse aver age peak value detection path erase bottom value detection path space playback power value detection path MN103SC7G Write Strategy LIC201 LPM101 Optical Pick up HOP 7232TL LD PD LDD ...

Page 116: ... D A B C D E F G H A B C D E F G H LIC101 AN22117A LIC201 Servo Control MN103SC7G TE FE A D A D D A C SLED COMPENSATOR A D TE FE PARALLEL DIGITAL COMPENSATOR SDRV 76 75 STEP2 STEP1 LIC301 BD7776ARFS 25 26 M Stepping Motor Logic A 30 29 31 32 A B B Tracking Focusing Actuator T T F F 6 5 LEVEL SHIFT FDRV TDRV 10 9 8 7 69 73 LEVEL SHIFT Focus Tracking Sled Servo ...

Page 117: ...T 3 1 Spindle Servo Process F E D C A B H G Pick up Wobble Signal Generator RF LIC101 AN22117A WBLIN EFM SRF SERVO DSP Phase Controller Frequency Controller 77 SPDRV LIC201 MN103SC7G LIC301 BD7776ARFS M Spindle Motor Level Shift ...

Page 118: ...LF 17 SEO1 18 SEO2 19 MOUT0 20 IwRT1 25 IwRT2 26 IwRT3 27 GND7 28 CLPCLPF 29 RVREF 30 VCC7 31 STMOUT 32 TC 33 wIDGT SH4 39 SH3 40 SH2 41 SH1 42 FEPIDGT SH6 43 SH5 44 VCC4 45 VCC51 34 OFTR 35 BDO 36 GND5 37 LSDAT 46 LSCK 47 LSEN 48 TGCHG 49 N C N C N C 50 CHSEL 51 SEN 52 SCK 53 SDAT 54 55 RSEN 56 RSDAT 57 58 VCC52 59 GND4 60 ASENV LPPM 61 LPPS 62 wBL 63 CLUMPGT 64 PAD0 65 PAD1 66 PAD2 67 PAD3 65 VC...

Page 119: ...2 P03 P04 P05 P06 PI00 PI01 PIo2 PI03 PI04 EQOUTA EQOUTB FLTAMP RFIN2 RFIN1 RFOUT BDO RSEN RSDAT SDAT SCK SEN LSDAT SCK LSENI GCHG RREF MPX MPX TCOP TCON TCO TIOP TION SBDOAS TIO VREF VREF Block GATE Block To Each Block GATE From LOGIC VGA VGA To Each Block To Each Block To LPC Block From LOGIC To MFX OFST HPF EQ CLMP AMP RF Gene Block RF Gene Block LPCDAC Block JLINE Block RFEQ Block SRF P0 PI0 B...

Page 120: ... of each error signal 20 MOUT0 O Analog monitor 0 21 MOUT1 I O Analog monitor 1 22 MOUT2 I O Analog monitor 2 23 VCC8 PS Power supply pin for LPC 5 0V 24 IREAD O DAC electric current output pin for READ 25 IWRT1 O DAC electric current output pin 1 for WRITE 26 IWRT2 O DAC electric current output pin 2 for WRITE 27 IWRT3 O DAC electric current output pin 3 for WRITE 28 GND7 PS GND pin for LPC 29 CL...

Page 121: ...le input pin for FEP pull down 53 SCK I Serial clock input pin for FEP pull up 54 SDAT I O Serial data input pin for FEP 55 NC 56 RSEN I Serial enable input for RF pull down 57 RSDAT I Serial signal data input for RF 58 VCC52 PS Power supply pin for CMOS I F internal current source power supply pin2 3 3V 59 GND4 PS Ground pin for internal LOGIC 60 ASENV LPPM O ASENV output LPP mark output pin 61 L...

Page 122: ...onnection pin for VGA before SRL 94 CWAGC2 I AGC adjustment capacitor connection pin 2 for WBL extraction 95 CWAGC1 I AGC adjustment capacitor connection pin 1 for WBL extraction 96 VCC21 PS 97 NC 98 NC 99 NC 100 GND2 PS Power supply pin for RF gene WBL 5 0V 101 AIN I DVD Tracking input pin 1 102 BIN I DVD Tracking input pin 2 103 CIN I DVD Tracking input pin 3 104 DIN I DVD Tracking input pin 4 1...

Page 123: ...21 VCC3 PS Power supply pin for APC OPC ASENV 5 0V 122 VREF25 O 2 5V reference voltage output pin 123 VPD I DVD front monitor signal input pin 124 VREFPD I Front light system reference level input pin 125 GND3 PS Ground pin for APC OPC ASENV 126 PO6 O Ground CMOS output pin 6 127 PO5 O Ground CMOS output pin 5 128 PO4 O Ground CMOS output pin 4 I Input pin O Output pin I O I O pin PS Power supply ...

Page 124: ...123 VDD3 124 VSS 125 VDD12 126 OFTR 127 TC 128 VREFH 129 RVI 130 AVSSD1 131 CPOP2 132 CPOP1 133 AVDD33D1 134 SE02 135 SE01 136 AVSSA 137 AVDD33A 138 CDA1 139 REFTOP 140 REFBTM 141 REGDRC 142 EQOUTB 143 EQOUTA 144 AVDD33DRC 107 PK3MD 106 NPK2MD 105 PK2MD 104 NPKMD 103 PKMD 102 NBSMD 101 BSMD 100 VDD3 99 P06 98 VDD5 97 VDD3 96 VDD12 95 VDD18 94 VSS 93 LDDENA 92 P02 91 VPPEX 90 SEN 89 P30 88 SCK 87 N...

Page 125: ...and Internal data memory On Chip Debugger Resistor bus watchdog Timer Interrupt ion Timer General Purpose Ports PwM Serial I F 32 bit CPU Bus control System I F Clock Generator eDRAM I F LDD FEP CIRC DVD Formatter DVD CD error correction ATAPI I F HOST eDRAM 16 Mbit 16 9 MHz Flash ROM 2 Mbytes ...

Page 126: ...data I O 12 HDD8 I O HOST ATAPI data I O 13 HDD6 I O HOST ATAPI data I O 14 HDD9 I O HOST ATAPI data I O 15 VSS GND GND Digital Vss 16 VDD3 Power supply Power supply I O pad VDD 3 3V 17 HDD5 I O HOST ATAPI data I O 18 HDD10 I O HOST ATAPI data I O 19 HDD4 I O HOST ATAPI data I O 20 HDD11 I O HOST ATAPI data I O 21 HDD3 I O HOST ATAPI data I O 22 HDD12 I O HOST ATAPI data I O 23 HDD2 I O HOST ATAPI...

Page 127: ...16 General purpose I O GIO PWM0 49 NEJECT I O Mecha Tray eject signal SODC external interrupt P25 General purpose I O GIO 50 TRYLOAD I O Mecha Tray eject signal SODC external interrupt P26 General purpose I O GIO 51 PVPPDRAM Power supply Cap DRAM internal power supply output 52 TRCCLK I O Trace clock P20 General purpose I O GIO TxD0 PWM0 53 TRCST I O Trace status P21 General purpose I O GIO RxT0 P...

Page 128: ...g drive differential PWM output 74 TX I O HOST IEC60958 compliant digital output P12 General purpose I O GIO TxD0 75 PWM3A I O DRIVER Traverse drive differential PWM output stepper 1 drive output P31 General purpose I O GIO PWM0 76 PWM3B I O DRIVER Traverse drive differential PWM output stepper 2 drive output P31 General purpose I O GIO RxD0 PWM1 77 PWM4 O DRIVER Spindle drive output 78 VSS GND GN...

Page 129: ... NPEAK1 modulation signal differential current output 105 PK2MD O PU PEAK2 modulation signal differential current output 106 NPK2MD O PU NPEAK2 modulation signal differential current output PK3MD PEAK3 modulation signal differential current output 107 SRF1 I O PU OEIC gain switching timing adjustment 1 when using external WTST P00 General purpose I O GIO TxD0 PWM0 NPK3MD NPEAK3 modulation signal d...

Page 130: ... input 129 RVI I O Res Fixed current source for LVDS WBL and analog blocks 130 AVSSD1 GND GND WOBBLE analog Vss 131 CPOP2 I O Cap Res Filter connection pin for wobble PLL 132 CPOP1 I O Cap Res Filter connection pin for wobble PLL 133 AVDD33DI Power supply Power supply WOBBLE analog VDD 3 3V 134 SE02 I FEP Error signal output after selection analog input 135 SE01 I FEP E rror signal output after se...

Page 131: ...ng driver non inverted output 13 AGND BTL driver GND 14 LDO Loading driver inverted output 15 LDO Loading driver non inverted output 16 CTL1 Loading driver control input 17 CTL2 Loading driver control input 18 LDVM Loading driver power supply 19 Vcc Power supply 20 LDIN Loading driver input 21 PRTRST Protect input 22 PRTFLG Protect flag output No Pin name Description 23 SLVM Motor driver power sup...

Page 132: ...Regulator 3 3v 1 20v 1chip Sensor less Motor driv e Rohm BD7776 Host Embedded Flash ROM SDRAM 16M eDRAM DRC SERVO ODC ECC CIRC ATAPI 32b CPU DEC ENC CD ENC 16Mbit Flash Memory 16x WTST RAM 16x RAM 16x FEP AN22117 Servo MTX WBL OPC TCTI DPD SYSCON LPC LASER POWER SODC MN103SC7G Serial ...

Page 133: ...4 52 MEMO ...

Page 134: ...4 53 4 54 CIRCUIT DIAGRAM ...

Page 135: ...4 pulse 25 3 28 26 0 00 27 pulse 28 pulse 29 pulse PIN NO VOLTAGE 30 pulse 31 pulse 32 pulse 33 pulse 34 pulse 35 pulse 36 pulse 37 4 94 38 3 27 39 3 28 40 0 00 41 4 95 42 3 27 43 3 27 44 pulse 45 3 27 46 4 94 47 1 18 48 0 00 49 3 28 50 0 00 51 2 63 52 0 00 53 0 00 54 3 27 55 3 27 56 0 00 57 3 28 58 0 00 59 3 29 60 OSC 61 OSC 62 0 00 63 0 00 64 0 00 65 pulse 66 3 29 67 1 19 68 1 65 69 1 63 70 1 64...

Page 136: ...4 57 4 58 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD TOP VIEW ...

Page 137: ...4 59 4 60 2 MAIN P C BOARD BOTTOM VIEW ...

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